WO2021146998A1 - 一种确定初始带宽部分bwp的方法、装置及存储介质 - Google Patents
一种确定初始带宽部分bwp的方法、装置及存储介质 Download PDFInfo
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- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0003—Two-dimensional division
- H04L5/0005—Time-frequency
- H04L5/0007—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT
- H04L5/001—Time-frequency the frequencies being orthogonal, e.g. OFDM(A) or DMT the frequencies being arranged in component carriers
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0001—Arrangements for dividing the transmission path
- H04L5/0014—Three-dimensional division
- H04L5/0023—Time-frequency-space
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0032—Distributed allocation, i.e. involving a plurality of allocating devices, each making partial allocation
- H04L5/0035—Resource allocation in a cooperative multipoint environment
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0064—Rate requirement of the data, e.g. scalable bandwidth, data priority
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0078—Timing of allocation
- H04L5/0082—Timing of allocation at predetermined intervals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0096—Indication of changes in allocation
- H04L5/0098—Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. Transmission Power Control [TPC] or power classes
- H04W52/04—Transmission power control [TPC]
- H04W52/30—Transmission power control [TPC] using constraints in the total amount of available transmission power
- H04W52/36—Transmission power control [TPC] using constraints in the total amount of available transmission power with a discrete range or set of values, e.g. step size, ramping or offsets
- H04W52/367—Power values between minimum and maximum limits, e.g. dynamic range
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
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- H—ELECTRICITY
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- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0457—Variable allocation of band or rate
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/50—Allocation or scheduling criteria for wireless resources
- H04W72/51—Allocation or scheduling criteria for wireless resources based on terminal or device properties
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/12—Access restriction or access information delivery, e.g. discovery data delivery using downlink control channel
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Definitions
- This application relates to the field of communications, and in particular to a method, device and storage medium for determining the BWP of the initial bandwidth part.
- the new radio (NR) system is the fifth-generation (5G) mobile communication technology standard based on a new air interface design of orthogonal frequency division multiplexing (OFDM).
- 5G fifth-generation
- OFDM orthogonal frequency division multiplexing
- eMBB enhanced mobile broadband
- URLLC ultra-reliability low-latency communication
- mMTC massive machine-type communications.
- NR system design The diversification of NR system services requires NR system design to meet the access requirements of terminal devices with different bandwidth capabilities. For example, terminal devices that transmit eMBB services and terminal devices that transmit URLLC services can access the NR system by determining the broadband information of the NR system, while some terminal devices that transmit mMTC services are due to considerations such as design cost and low power consumption.
- the working bandwidth of transmission is generally not designed to be large, so it is generally only accessed through low bandwidth.
- the NR system has a large bandwidth, at least 100MHz.
- the maximum bandwidth supported by terminal devices is different due to different bandwidth capabilities.
- Some terminal devices may only support 80MHz, 40MHz, or 20MHz, or even smaller bandwidths. Therefore, under normal circumstances, in order to meet the requirement of the maximum bandwidth supported by the terminal device, the concept of the downlink initial bandwidth part (BWP) is introduced in the NR.
- BWP downlink initial bandwidth part
- This application provides a method, device, and storage medium for the BWP of the downlink initial bandwidth part, and provides a new initial BWP design solution, which can distinguish the initial bandwidth part of different types of terminal equipment and improve the initial bandwidth of different types of terminal equipment. Access performance.
- the first aspect of the present application provides a method for determining the initial bandwidth part BWP, which can be used in wireless communication systems, including 4.5G or 5G wireless communication systems, and further evolution systems based on NR, as well as future wireless communication systems.
- the frequency resource of the first initial BWP may be included in the frequency resource of the second initial BWP corresponding to the second type of terminal device, and the first type of terminal device It is different from the second type of terminal equipment. Transmit signaling and/or data with the network device according to the frequency resource of the first initial BWP.
- the terminal equipment can also be referred to as terminal, user equipment (UE), mobile station (MS), mobile terminal (MT), and so on.
- the terminal equipment in the embodiments of this application can be a mobile phone, a tablet computer (Pad), a computer with wireless transceiver function, and can also be applied to virtual reality (VR) and augmented reality (AR). ), industrial control, self-driving, remote medical, smart grid, transportation safety, smart city, and smart home ) And other wireless terminals in the scene.
- the aforementioned terminal equipment and the chips applicable to the aforementioned terminal equipment are collectively referred to as terminal equipment. It should be understood that the embodiments of the present application do not limit the specific technology and specific device form adopted by the terminal device.
- the first aspect provides a new method for determining the BWP of the initial bandwidth portion, which is simple in design, inherits the original design intention of the existing second initial BWP, and reduces the complexity of the standard design.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the two types of terminal equipment correspond to different protocol versions.
- the NR terminal equipment corresponding to Release 15 and the NR terminal equipment corresponding to Release 17 can be regarded as two types of terminal equipment.
- the carrier aggregation capabilities supported by the two types of terminal devices are different.
- the two types of terminal devices have different data processing time capabilities.
- the frequency resource of the first initial BWP is determined according to the first frequency offset, and the first A frequency offset belongs to the first set, and the first set is a set of second frequency offsets.
- the first frequency offset is the offset of the frequency resource of the first initial BWP relative to the frequency resource of the synchronization signal block SSB
- the second frequency offset is the offset of the frequency resource of the second initial BWP relative to the frequency resource of the SSB. Shift. From the second possible implementation of the first aspect, it can be seen that the nested relationship between the frequency resources of the first initial BWP and the frequency resources of the second initial BWP can be realized, saving the system bandwidth required by the system to support diversified terminal devices. .
- the first frequency offset is determined according to the first configuration information from the network device, and the first configuration information The frequency resource used to configure the second initial BWP. It can be seen from the third possible implementation manner of the first aspect that the network device does not need to send additional indication information for the second type terminal device to determine the frequency resource of the first initial BWP, which can save the network device sending control information overhead, and realize Energy saving of network equipment.
- the first frequency offset is the same as the second frequency offset.
- the first frequency offset is determined according to the first configuration information from the network device, and may include:
- the first type of terminal device determines the first index value according to the first configuration information.
- the terminal device of the first type determines M index values, M is a positive integer, the M index values and the first index value are used to indicate the frequency offsets that can be included in the first set, and the M index values are less than or equal to the first index The index value of the value.
- the terminal device of the first type determines the first frequency offset according to the frequency offset indicated by any one of the M index values. It can be seen from the fifth possible implementation manner of the first aspect that a specific manner of determining the first frequency offset is given, which increases the diversity of the solutions.
- the first frequency offset is determined according to the first configuration information from the network device, and may include: The first type of terminal device determines the first index value according to the first configuration information. The terminal device of the first type determines a second index value, the second index value is a value obtained by taking the first index value modulo a preset value, and the first index value and the second index value indicate frequency offsets that can be included in the first set quantity. The terminal device of the first type determines the first frequency offset according to the second index value. It can be seen from the sixth possible implementation manner of the first aspect that a specific method of determining the first frequency offset is given, which increases the diversity of the solutions.
- the first frequency offset is determined according to the first number of time-frequency resources, and the first number of time-frequency resources is And the second number of time-frequency resources correspond to the frequency offsets that can be included in the first set, the first number of time-frequency resources is the number of time-frequency resources closest to the second number of time-frequency resources, and the second number of time-frequency resources is the first The number of time-frequency resources corresponding to CORESET0 of type 2 terminal equipment. It can be seen from the seventh possible implementation manner of the first aspect that a specific manner of determining the first frequency offset is provided, which increases the diversity of the solutions.
- the method may further include: determining the first type of terminal device Corresponding to the time resource of the first control resource set 0CORESET0, the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second type The time resource of the second CORESET0 corresponding to the terminal device.
- the introduction of the first type of terminal equipment will not affect the second type of terminal equipment that may have been deployed in the system.
- the service transmission especially when the public information transmission corresponding to the second type of terminal equipment and the SSB transmission are in the same time slot or the same radio frame, through this implementation method, the initial access to the second type of terminal equipment can be avoided Impact.
- the method may further include: the first time resources corresponding to the same SSB are distributed continuously in one radio frame Within two time slots. It can be seen from the ninth possible implementation manner of the first aspect that joint channel estimation performance between control information for scheduling common information transmission transmitted in multiple first time resources can be guaranteed, and it is convenient for terminal equipment to achieve combined detection performance.
- the first control resource corresponding to the first type of terminal device is determined
- the time resources of 0CORESET0 are set, and the first time resource may be included in the second time resource. From the tenth possible implementation of the first aspect, it can be seen that a specific first-time resource design method is given, which increases the diversity of the solution.
- the first control corresponding to the first type of terminal device is determined
- the time resource of the resource set 0CORESET0, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device Yes, the second configuration information is used to configure the second time resource. From the twelfth possible implementation of the first aspect, it can be seen that the network device does not need to send additional instruction information for the second type terminal device to determine the first time resource, which can save the network device sending control information overhead, and realize the network device Energy saving.
- the second aspect of the present application provides a method for a downlink initial bandwidth part BWP, which may include: a first type of terminal device determines the frequency resource of the initial BWP corresponding to the first type of terminal device, the frequency resource of the first initial BWP and the second initial BWP There is no overlap between the frequency resources, and the capabilities of the first type of terminal equipment and the second type of terminal equipment are different. It can be seen from the second aspect that since there is no overlap between the frequency resources of the first initial BWP and the frequency resources of the second initial BWP, the impact on the data transmission of the second type of terminal equipment can be reduced. For a system with a relatively large system bandwidth, through this implementation method, support for diversified data services (for example, simultaneous support of eMBB services and mMTC services) can be achieved without affecting the impact on the deployed eMBB services.
- a first type of terminal device determines the frequency resource of the initial BWP corresponding to the first type of terminal device, the frequency resource of the first initial BWP
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type terminal equipment and the second type terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first The radio frame where a time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the time resource of the second CORESET0 corresponding to the second type of terminal device.
- the method may further include: the first time resources corresponding to the same SSB are distributed continuously in one radio frame Within two time slots.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first One time resource may be included in the second time resource.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first A time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- the third aspect of the present application provides a method for a downlink initial bandwidth part BWP, which may include: a first type of terminal device determines the frequency resource of the initial BWP corresponding to the first type of terminal device, the frequency resource of the first initial BWP and the synchronization signal block SSB There is no overlap between the frequency resources, and the capabilities of the first type of terminal equipment and the second type of terminal equipment are different. From the third aspect, it can be seen that the system frequency resources can be effectively used to realize the nesting relationship between the frequency resources of the first initial BWP and the frequency resources of the second initial BWP, which is especially suitable for services with small system bandwidth but diversified services. system.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first The radio frame where a time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the time resource of the second CORESET0 corresponding to the second type of terminal device.
- the method may further include: the first time resources corresponding to the same SSB are distributed continuously in one radio frame Within two time slots.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first One time resource may be included in the second time resource.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first A time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- the fourth aspect of the present application provides an apparatus for determining a BWP of a downlink initial bandwidth part, which may include: a processing unit, configured to determine a frequency resource of a first initial BWP corresponding to a first type of terminal device, and the frequency resource of the first initial BWP may include Within the frequency resources of the second initial BWP corresponding to the second type of terminal equipment, the capabilities of the first type of terminal equipment and the second type of terminal equipment are different.
- the communication unit is configured to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type terminal equipment and the second type terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the frequency resource of the first initial BWP is determined according to the first frequency offset, and the first A frequency offset belongs to the first set, and the first set is a set of second frequency offsets.
- the first frequency offset is the offset of the frequency resource of the first initial BWP relative to the frequency resource of the synchronization signal block SSB
- the second frequency offset is the offset of the frequency resource of the second initial BWP relative to the frequency resource of the SSB. Shift.
- the first frequency offset is determined according to the first configuration information from the network device, and the first configuration information The frequency resource used to configure the second initial BWP.
- the first frequency offset is the same as the second frequency offset.
- the processing unit is specifically configured to: determine the first index value according to the first configuration information. Determine M index values, M is a positive integer, M index values and the first index value are used to indicate the frequency offsets that can be included in the first set, and the M index values are less than or equal to the index value of the first index value.
- the first frequency offset is determined according to the frequency offset indicated by any one of the M index values.
- the processing unit is specifically configured to: determine the first index value according to the first configuration information.
- the second index value is determined, the second index value is a value obtained by modulating the first index value with the preset value, and the first index value and the second index value indicate the frequency offset that can be included in the first set.
- the first frequency offset is determined according to the second index value.
- the processing unit is further configured to: determine the first type of terminal The time resource of the first control resource set 0CORESET0 corresponding to the device, the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second The time resource of the second CORESET0 corresponding to the type of terminal device.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in one radio frame.
- the processing unit is further configured to: determine the first type of terminal For the time resource of the first control resource set 0CORESET0 corresponding to the device, the first time resource may be included in the second time resource.
- the processing unit is further configured to: determine the first type The time resource of the first control resource set OCORESET0 corresponding to the terminal device, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device Yes, the second configuration information is used to configure the second time resource.
- the fifth aspect of the present application provides an apparatus for determining a BWP of a downlink initial bandwidth part, which may include: a processing unit, configured to determine the frequency resource of the initial BWP corresponding to the first type of terminal device, the frequency resource of the first initial BWP and the second initial BWP There is no overlap between the frequency resources of the BWP, and the capabilities of the first type of terminal equipment and the second type of terminal equipment are different.
- the communication unit transmits signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device The time resource of 0CORESET0.
- the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second CORESET0 corresponding to the second type of terminal device. Time resources.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in a radio frame.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device For the time resource of 0CORESET0, the first time resource may be included in the second time resource.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device
- the time resource of 0CORESET0, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- a sixth aspect of the present application provides an apparatus for determining a BWP of a downlink initial bandwidth portion, which may include: a processing unit, configured to determine the frequency resource of the initial BWP corresponding to the first type of terminal device, the frequency resource of the first initial BWP and the synchronization signal block There is no overlap between the frequency resources of the SSB, and the capabilities of the first type of terminal equipment and the second type of terminal equipment are different.
- the communication unit transmits signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device The time resource of 0CORESET0.
- the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second CORESET0 corresponding to the second type of terminal device. Time resources.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in one radio frame.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device For the time resource of 0CORESET0, the first time resource may be included in the second time resource.
- the processing unit is further configured to determine the first control resource set corresponding to the first type of terminal device
- the time resource of 0CORESET0, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- the seventh aspect of the present application provides an apparatus for determining the BWP of the downlink initial bandwidth portion, which may include: a processor, configured to execute a program stored in the memory, and when the program stored in the memory is executed, the processor is configured to determine the first type of terminal
- the frequency resource of the first initial BWP corresponding to the device, the frequency resource of the first initial BWP may be included in the frequency resource of the second initial BWP corresponding to the second type of terminal equipment, the capabilities of the first type of terminal equipment and the second type of terminal equipment different.
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the frequency resource of the first initial BWP is determined according to the first frequency offset, and the first A frequency offset belongs to the first set, and the first set is a set of second frequency offsets.
- the first frequency offset is the offset of the frequency resource of the first initial BWP relative to the frequency resource of the synchronization signal block SSB
- the second frequency offset is the offset of the frequency resource of the second initial BWP relative to the frequency resource of the SSB. Shift.
- the first frequency offset is determined according to the first configuration information from the network device, and the first configuration information The frequency resource used to configure the second initial BWP.
- the first frequency offset is the same as the second frequency offset.
- the processor is specifically configured to: determine the first index value according to the first configuration information. Determine M index values, M is a positive integer, M index values and the first index value are used to indicate the frequency offsets that can be included in the first set, and the M index values are less than or equal to the index value of the first index value.
- the first frequency offset is determined according to the frequency offset indicated by any one of the M index values.
- the processor is specifically configured to: determine the first index value according to the first configuration information.
- the second index value is determined, the second index value is a value obtained by modulating the first index value with the preset value, and the first index value and the second index value indicate the frequency offset that can be included in the first set.
- the first frequency offset is determined according to the second index value.
- the first frequency offset is determined according to the first number of time-frequency resources, and the first number of time-frequency resources is And the second number of time-frequency resources correspond to the frequency offsets that can be included in the first set, the first number of time-frequency resources is the number of time-frequency resources closest to the second number of time-frequency resources, and the second number of time-frequency resources is the first The number of time-frequency resources corresponding to CORESET0 of type 2 terminal equipment.
- the processor is further configured to: determine the first type of terminal The time resource of the first control resource set 0CORESET0 corresponding to the device, the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second The time resource of the second CORESET0 corresponding to the type of terminal device.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in one radio frame.
- the processor is further configured to: determine the first type of terminal For the time resource of the first control resource set 0CORESET0 corresponding to the device, the first time resource may be included in the second time resource.
- the processor is further configured to: determine the first type The time resource of the first control resource set OCORESET0 corresponding to the terminal device, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device Yes, the second configuration information is used to configure the second time resource.
- the eighth aspect of the present application provides an apparatus for determining the BWP of the downlink initial bandwidth portion, which may include a processor, configured to execute a program stored in the memory, and when the program stored in the memory is executed, the processor is configured to determine the first type of terminal
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type terminal equipment and the second type terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the processor is further configured to determine the first control resource set corresponding to the first type of terminal device The time resource of 0CORESET0.
- the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second CORESET0 corresponding to the second type of terminal device. Time resources.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in one radio frame.
- the processor is further configured to determine a first control resource set corresponding to the first type of terminal device For the time resource of 0CORESET0, the first time resource may be included in the second time resource.
- the processor is further configured to determine the first control resource set corresponding to the first type of terminal device
- the time resource of 0CORESET0, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- the ninth aspect of the present application provides an apparatus for determining the BWP of the downlink initial bandwidth portion, which may include: a processor, configured to execute a program stored in the memory, and when the program stored in the memory is executed, the processor is configured to determine the first type of terminal
- the frequency resources of the initial BWP corresponding to the device, there is no overlap between the frequency resources of the first initial BWP and the frequency resources of the synchronization signal block SSB, and the capabilities of the first type of terminal equipment and the second type of terminal equipment are different.
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, and may include at least one of the following: the first type terminal device and the second type terminal device.
- Different types of terminal equipment have different bandwidth capabilities.
- the first type of terminal equipment and the second type of terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the processor is further configured to determine the first control resource set corresponding to the first type of terminal device The time resource of 0CORESET0.
- the radio frame where the first time resource is located may not include the time resource for the synchronization signal block SSB transmission, or the time slot where the first time resource is located may not include the second CORESET0 corresponding to the second type of terminal device. Time resources.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in a radio frame.
- the processor is further configured to determine the first control resource set corresponding to the first type of terminal device
- the time resource of 0CORESET0, the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device ,
- the second configuration information is used to configure the second time resource.
- the tenth aspect of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute the first aspect or any one of the possible implementations of the first aspect.
- Method of determining the BWP of the initial downlink bandwidth is a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute the first aspect or any one of the possible implementations of the first aspect.
- the eleventh aspect of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute any one of the second aspect or the second aspect described above.
- the method for determining the BWP of the initial downlink bandwidth is a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute any one of the second aspect or the second aspect described above.
- a twelfth aspect of the present application provides a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute the third aspect or any one of the third aspects mentioned above.
- the method for determining the BWP of the initial downlink bandwidth is a computer-readable storage medium that stores instructions in the computer-readable storage medium, and when it runs on a computer, the computer can execute the third aspect or any one of the third aspects mentioned above.
- the thirteenth aspect of the present application provides a computer program product containing instructions that, when it runs on a computer, enables the computer to execute the determination of the downlink initial bandwidth part BWP in the first aspect or any one of the possible implementation manners of the first aspect. method.
- the fourteenth aspect of the present application provides a computer program product containing instructions that, when it runs on a computer, enables the computer to execute the second aspect or any one of the possible implementation manners of the second aspect to determine the downlink initial bandwidth part BWP method.
- the fifteenth aspect of the present application provides a computer program product containing instructions, which when running on a computer, enables the computer to execute the determination of the downlink initial bandwidth part BWP in the third aspect or any one of the possible implementation manners of the third aspect. method.
- beneficial effects of the fourth aspect, the seventh aspect, the tenth aspect, and the thirteenth aspect of the present application can be considered to be the same as the beneficial effects described in the first aspect.
- beneficial effects of the sixth aspect, the ninth aspect, the twelfth aspect, and the fifteenth aspect of this application can be considered to be the same as the beneficial effects described in the third aspect.
- a sixteenth aspect of the present application provides a communication system.
- the communication system may include a terminal device and a network device.
- the terminal device may be regarded as the terminal device described in any one of the first to third aspects.
- a seventeenth aspect of the present application provides a chip, which includes a processor and a communication interface, wherein the processor and the communication interface are coupled, and the processor is configured to execute the initial BWP determination provided by any one of the first to third aspects. method.
- the solution provided in this application provides a new method for determining BWP, which saves the system bandwidth required by the system to support different types of terminal devices.
- Fig. 1 is a schematic diagram of a wireless communication system applicable to an embodiment of the present application
- Fig. 2 is a schematic diagram of another wireless communication system applicable to an embodiment of the present application.
- FIG. 3 is a schematic diagram of a method for determining an initial BWP provided by an embodiment of the application
- Figure 4 is a schematic diagram of RBs of different frequency resources
- FIG. 5 is a schematic diagram of another method for determining the initial BWP provided by an embodiment of the application.
- FIG. 6 is a schematic diagram of a table for designing a frequency resource of the first initial BWP provided by an embodiment of the application;
- FIG. 7 is a schematic flowchart of a method for determining a BWP of a downlink initial bandwidth part provided by an embodiment of this application;
- FIG. 8 is a schematic flowchart of another method for determining the BWP of the downlink initial bandwidth part provided by an embodiment of the application.
- FIG. 9 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- FIG. 10 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- FIG. 11 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- FIG. 12 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- FIG. 13 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- FIG. 14 is a schematic diagram of another method for determining an initial BWP provided by an embodiment of the application.
- 15 is a schematic diagram of another method for determining the initial BWP provided by an embodiment of the application.
- 16 is a schematic diagram of another method for determining the initial BWP provided by an embodiment of the application.
- FIG. 17 is a schematic diagram of the hardware structure of a terminal device provided by an embodiment of the application.
- FIG. 18 is a schematic structural diagram of a terminal device provided by an embodiment of the application.
- FIG. 1 and FIG. 2 are schematic diagrams of a wireless communication system applicable to embodiments of the present application.
- the wireless communication system may include a single or multiple network devices, or as shown in FIG. 2, the wireless communication system may include a single or multiple terminal devices.
- the wireless communication system is sometimes referred to as a communication system in this application. .
- a single network device can transmit data or control signaling to a single or multiple terminal devices. Multiple network devices can also transmit data or control signaling for a single terminal device at the same time.
- the wireless communication system can support coordinated multiple points transmission (CoMP), that is, multiple cells or multiple network devices can cooperate to participate in the data transmission of one terminal device or jointly receive data sent by one terminal device, or multiple A cell or multiple network devices perform coordinated scheduling or coordinated beamforming.
- CoMP coordinated multiple points transmission
- the multiple cells may belong to the same network device or different network devices, and may be selected according to channel gain or path loss, received signal strength, received signal instruction, and the like.
- FIG. 1 or FIG. 2 is only for ease of understanding, and schematically shows network equipment and terminal equipment, but this should not constitute any limitation to this application.
- the wireless communication system may also include more or less numbers of networks. Devices can also include a larger number of terminal devices.
- the network devices communicating with different terminal devices can be the same network device or different network devices.
- the number of network devices communicating with different terminal devices can be the same. It can also be different, and this application includes but is not limited to this.
- a terminal device when a terminal device is connected to a wireless communication system, for example, when a terminal device is connected to a long term evolution (LTE) system or an NR system, it needs to synchronize with the network device under the wireless communication system first, that is, pass the detection network first.
- the synchronizing signal sent by the device determines the synchronization information for data transmission with the network device, including time synchronization and/or frequency synchronization information, and then determines the broadcast information carried by the network device in the PBCH according to the determined synchronization information, and according to requirements Further read system information (SI), for example, first read system information included in system information block type 1 (SIB1), and then obtain system information necessary for data transmission with network devices.
- SI Further read system information
- SIB1 system information block type 1
- the information included in the SIB1 may be, for example, random access channel (random access cHannel, RACH) configuration information or scheduling information corresponding to other system messages SI. It should be noted that the name of SIB1 may be different in different systems.
- the terminal device detects the PBCH sent by the network device, in order to transmit data with the network device, the first detected network device
- the system messages sent are all called SIB1.
- SIB1 the remaining minimum system information (RMSI) sent by the network equipment can also be understood as SIB1.
- SIB1 system information that meets the above characteristics is SIB1.
- the system bandwidth of NR is relatively large, at least 100MHz.
- the maximum bandwidth supported is also different.
- Some terminal devices may only support 80MHz, 40MHz, or 20MHz, or even smaller bandwidths. Therefore, under normal circumstances, in order to meet the requirements of the maximum bandwidth supported by the terminal equipment, the concept of BWP is introduced in NR.
- the BWP is currently configured for the terminal device to adapt to the maximum bandwidth that the terminal device can support.
- the network device broadcasts a synchronous signal block (SSB) so that the terminal device can reside.
- the SSB carries a primary synchronization signal (primary synchronization signal, PSS), a secondary synchronization signal (secondary synchronization signal, SSS), and a physical broadcast channel (physical broadcast channel, PBCH).
- the PBCH carries a master system information block (master information block, MIB).
- MIB includes control resource set (CORESET) 0 configuration information (for example, CORESET0 bandwidth size, frequency domain position, time-frequency resources, etc.), and SIB1 physical downlink control channel (physical downlink control channel, PDCCH) configuration Information (for example, PDCCH time domain configuration information, etc.).
- CORESET control resource set
- PDCCH physical downlink control channel
- the terminal device determines that the bandwidth of the initial BWP (initial BWP) is the bandwidth of CORESET0, then receives the scheduling information of SIB1 on the initial BWP, and receives SIB1 on the initial BWP according to the scheduling information of SIB1.
- the MIB carried in the PBCH includes the information pdcch-ConfigSIB1, which includes 8 bits and is used to indicate the configuration information of CORESET for scheduling SIB1.
- the downlink initial BWP is the initial BWP of the terminal device in an idle state or an inactive state.
- the location and size of the frequency resource corresponding to CORESET0 used to schedule SIB1 can be considered as the initial downlink bandwidth part BWP corresponding to the terminal device in an idle state or in an inactive state.
- the system design of NR mainly considers the terminal equipment for transmitting eMBB service and the terminal equipment for transmitting URLLC service.
- the terminal equipment for transmitting mMTC service no special design has been made.
- the NR system design mainly considers the frequency resources of the initial BWP of the terminal equipment that transmits eMBB services and the terminal equipment that transmits URLLC services, and the time resources of CORESET0 of the terminal equipment that transmits eMBB services and the terminal equipment that transmits URLLC services.
- the initial downlink BWP bandwidth notified by NR through the PBCH may be greater than the bandwidth capability of some terminal devices that transmit mMTC services, so that some terminal devices that transmit mMTC services cannot access the NR system.
- this application provides a method for determining the initial BWP.
- the second type of terminal equipment can support up to the simultaneous use of frequency resources with a bandwidth of 100MHz and network equipment for data transmission on one carrier, while the first type of terminal equipment can support up to the simultaneous use of a bandwidth of 20MHz or 10MHz or 5MHz on one carrier. Frequency resources and network equipment for data transmission.
- the number of transmitting and receiving antennas is different.
- the second type terminal device may support 4 receiving and 2 sending, or 4 receiving and 1 sending.
- the first type of terminal device supports a maximum of 2 receptions and 1 transmission, or a maximum of 1 reception and 1 transmission. That is, terminal devices that support different numbers of transmitting antennas and/or different numbers of receiving antennas can be regarded as different types of terminal devices.
- the maximum uplink transmit power is different.
- the maximum uplink transmission power of the second type terminal device can be 23 dBm or 26 dBm, while the maximum uplink transmission power of the first type terminal device can only be one value from 4 dBm to 20 dBm.
- the second type of terminal equipment is NR Release 17 (or the first terminal equipment is NR Release 17 and NR Release 17 and later versions), and the first type of terminal equipment is NR Release. 15 and/or NR Release 16 terminal equipment.
- NR Release 16 and terminal devices before NR Release 16 may also be referred to as NR backward compatible (NR-Legacy) terminal devices.
- the supported carrier aggregation capabilities are different.
- the second type of terminal equipment can support carrier aggregation, but the first type does not support carrier aggregation; for example, both types of terminal equipment can support carrier aggregation, but the second type of terminal equipment
- the maximum number of carrier aggregations supported at the same time is greater than the maximum number of carrier aggregations supported by the terminal equipment of the first type at the same time.
- the terminal equipment of the second type can support the aggregation of 5 carriers or 32 carriers at the same time at the same time, while the terminal equipment of the first type
- the device supports the aggregation of up to 2 carriers at the same time.
- the duplex capability is different.
- the second type terminal device supports full-duplex FDD, or the second type terminal device supports both full-duplex FDD and half-duplex FDD, while the first type terminal device supports only half-duplex FDD.
- the data processing time capability is different.
- a terminal device with strong data processing time capability can be considered as the second type of terminal device, and a terminal device with weak data processing time capability can be considered as the first type of terminal device.
- the difference in processing time capabilities can be represented by the relationship between the minimum time delay for two types of terminal equipment to process data, or by the relationship between the maximum time delay for two types of terminal equipment to process data, or through a type of terminal Express the relationship between the minimum time delay of a device processing data and the maximum time delay of another type of terminal device processing data.
- the data processing delay can be expressed in at least one of the following ways: the delay between receiving downlink data and sending feedback on the downlink data, the delay between sending uplink data and receiving the feedback on the uplink data, The time delay between receiving control information and sending uplink data according to the control information.
- the minimum delay between receiving downlink data and sending feedback on the downlink data for a type of terminal device is less than the minimum delay between receiving downlink data and sending feedback for the downlink data by another type of terminal device, and/or ,
- the minimum delay between one type of terminal equipment sending uplink data and receiving feedback on the uplink data is less than the minimum time delay between another type of terminal equipment sending uplink data and receiving feedback on the uplink data, and/or one
- the minimum time delay between receiving control information and sending uplink data according to the control information is less than the minimum time delay between receiving control information by another type of terminal equipment and sending uplink data according to the control information.
- the processing capability of the terminal device may include at least one of the following: the number of hybrid automatic repeat request (HARQ) processes supported by uplink data transmission and/or downlink data transmission, the size of soft buffer, The highest quadrature amplitude modulation (quadrature amplitude modulation, QAM) supported by uplink data transmission and/or downlink data transmission, etc.
- HARQ hybrid automatic repeat request
- QAM quadrature amplitude modulation
- a terminal device with strong processing capability can be considered as a terminal device of the second type
- a terminal device with weak processing capability can be regarded as a terminal device of the first type.
- the first aspect is how to determine the frequency resource of the initial BWP.
- the second aspect is how to determine the time resource of CORESET0, and the third aspect is how to determine the period of the first time resource.
- this application specifically provides three design methods for the frequency resources of the BWP.
- the first method is: the frequency resources of the first initial BWP corresponding to the first type of terminal equipment are included in Within the frequency resource of the second initial BWP corresponding to the second type of terminal device.
- the second way is: there is no overlap between the frequency resources of the first initial BWP corresponding to the first type of terminal equipment and the frequency resources of the second initial BWP corresponding to the second type of terminal equipment.
- the third method is: there is no overlap between the frequency resources of the first initial BWP corresponding to the first type of terminal equipment and the frequency resources of the synchronization signal block SSB.
- the second aspect is how to determine the time resource of CORESET0.
- This application specifically provides three design methods. It needs to be explained that any of the three time resource design methods can be compared with the above three frequency design methods. Any one of the resource design methods is combined with the application. Regarding the third aspect, this application provides two design methods. It should be noted that how the third aspect determines the period of the first time resource can be combined with any of the three time resource design methods provided by the second aspect application.
- the method for determining the initial BWP provided by the embodiment of the present application will be specifically introduced below.
- the initial BWP can be understood as the BWP including the transmission of public information.
- the transmission of public information may include at least one of the following:
- the system information may include scheduling system information block type 1 (system information block type 1, SIB1) or other system information (system information, SI).
- Random access response (RAR) information broadcast by network equipment.
- the public information included in the first initial BWP corresponds to the first type of terminal equipment
- the public information included in the second initial BWP corresponds to the second type of terminal equipment.
- the public information included in the first initial BWP corresponds to both the first type of terminal device and the second type of terminal device
- the public information included in the second initial BWP corresponds to the first type of terminal device. It also corresponds to the second type of terminal equipment.
- a BWP is composed of resource blocks (resource blocks, RBs) contiguous in frequency, where one RB includes 12 subcarriers, and the frequency bandwidth of the BWP is not greater than the frequency bandwidth corresponding to the carrier that includes the BWP.
- resource blocks resource blocks, RBs
- the frequency bandwidth of the BWP is not greater than the frequency bandwidth corresponding to the carrier that includes the BWP.
- the initial BWP is understood as a frequency resource notified through MIB, such as a frequency resource notified through pdcch-ConfigSIB1 included in MIB, or a frequency resource configured in SIB1 information, where SIB1 information includes control information for scheduling SIB1 transmission , And/or SIB1 system information transmitted through a physical downlink shared channel (PDSCH).
- MIB such as a frequency resource notified through pdcch-ConfigSIB1 included in MIB
- SIB1 information includes control information for scheduling SIB1 transmission
- PDSCH physical downlink shared channel
- FIG. 3 it is a schematic diagram of a method for determining an initial BWP provided by an embodiment of this application.
- the horizontal axis represents time
- the vertical axis represents frequency
- the figure respectively shows the time-frequency resource range of SSB transmission, the time-frequency resource range corresponding to the first type of terminal equipment, and the time-frequency resource range corresponding to the second type of terminal equipment.
- the time-frequency resource range corresponding to the first type of terminal equipment can be understood as the time-frequency resource range, including data transmission corresponding to the first type of terminal equipment.
- the data transmission corresponds to the first type of terminal equipment and passes through physical downlink.
- PDCCH physical downlink control channel
- the time-frequency resource range corresponding to the second-type terminal device can be understood as the time-frequency resource range, including the data transmission corresponding to the second-type terminal device.
- the data transmission corresponds to the second-type terminal device and passes through the PDCCH.
- the frequency resource of the first initial BWP corresponding to the first type of terminal device is determined.
- the frequency resource of the first initial BWP is included in the frequency resource of the second initial BWP corresponding to the second type of terminal device.
- the capabilities of the type terminal equipment and the second type terminal equipment are different. Included in this application means that the frequency resource range of the second initial BWP corresponding to the second type terminal device covers the frequency resource range of the first initial BWP corresponding to the first type terminal device, which will be described in detail below.
- the initial BWP frequency resource corresponding to the terminal device of the low-capability type is included in the initial BWP frequency resource corresponding to the terminal device of the non-low-capability type, even for a network device with a relatively small system bandwidth.
- it supports data transmission of different types of terminal equipment to realize diversified data transmission. For example, it can support eMBB service and mMTC service at the same time, thereby increasing the competitiveness of network deployment.
- the frequency resource of the first initial BWP is determined according to the first frequency offset
- the first frequency offset belongs to the first set
- the first set is the second frequency offset set.
- the first frequency offset is the offset of the frequency resource of the first initial BWP relative to the frequency resource of the synchronization signal block SSB
- the second frequency offset is the offset of the frequency resource of the second initial BWP relative to the frequency resource of the SSB. Shift.
- the set corresponding to the frequency offset between the frequency resource of the first initial BWP and the frequency resource of the SSB corresponds to the frequency offset between the frequency resource of the second initial BWP and the frequency resource of the SSB.
- the synchronization signal block corresponding to the first frequency offset may be the SSB corresponding to the first type of terminal equipment, or the SSB corresponding to the second type of terminal equipment, and the SSB corresponding to the second frequency offset is the first SSB corresponding to Type 2 terminal equipment.
- the second type terminal device is a non-NR REDCAP terminal device, and the SSB corresponding to the non-NR REDCAP terminal device is Release 15 SSB.
- the SSB corresponding to the first frequency offset is also Release 15 SSB.
- the value of the first frequency offset corresponds to the system bandwidth, the sub-carrier spacing (SCS) corresponding to the SSB transmission corresponding to the first frequency offset, and the SCS corresponding to the data transmission included in the initial BWP
- the SSB corresponding to the first frequency offset indicates the SSB used to determine the first frequency offset.
- the SCS corresponding to the data transmission included in the initial BWP may be represented by the SCS corresponding to the public information transmission included in the initial BWP. It should be noted that the SCS corresponding to public information transmission can be represented by the SCS corresponding to the control information for scheduling public information transmission, or it can be directly represented by the SCS corresponding to the public information transmission.
- the SCS corresponding to the control information can be understood as a network device
- the SCS used when transmitting the control information has the same description for the SCS corresponding to the public information transmission, and will not be repeated.
- the SCS corresponding to the control information for scheduling common information transmission may also be represented by the PDCCH SCS that carries the control information.
- the PDCCH SCS here is, for example, the SCS corresponding to the control channel carrying the SIB1 scheduling information, or the SCS corresponding to the Type 0-PDCCH search space set (Type 0-PDCCH search space set) that includes the SIB1 scheduling information.
- SIB1 scheduling information can be understood as control information for scheduling SIB1 transmission.
- the following uses PDCCH SCS to indicate the SCS corresponding to the data transmission included in the initial BWP as an example for description.
- the combination of ⁇ 15, 15 ⁇ , ⁇ 15, 30 ⁇ , ⁇ 30, 15 ⁇ , ⁇ 30, 30 ⁇ kHz is a combination that can be used below 6 GHz; ⁇ 120, 60 ⁇ , ⁇
- the combination of 120, 120 ⁇ , ⁇ 240, 60 ⁇ , ⁇ 240, 120 ⁇ kHz is a combination that can be used when the frequency is higher than 6GHz.
- the frequency bandwidth of the first initial BWP may be a bandwidth that matches the bandwidth capability of the first type of terminal device. For example, if the bandwidth capability of the first type of terminal device is 5 MHz, the frequency of the first initial BWP The bandwidth is also 5MHz; for another example, if the first type of terminal equipment includes multiple bandwidth capabilities, for example, NR REDCAP terminal equipment includes terminal equipment with bandwidth capabilities of 5MHz, 10MHz, and 20MHz, then the frequency bandwidth of the first initial BWP can be based on different The first type of terminal equipment is determined separately, or it may be determined according to the minimum bandwidth capability of the first type of terminal equipment, such as 5 MHz in this example.
- the first initial BWP bandwidth may also be other values, which are not specifically limited in this application.
- the size of the first initial BWP bandwidth may be pre-configured, for example, it may be 5 MHz or 10 MHz, and in terms of RB, it may be, for example, 24 (resource block, RB), or 48 RBs.
- one RB is composed of an integer number of continuous subcarriers, for example, composed of 12 continuous subcarriers; or, the first initial BWP bandwidth is the main information carried in the physical broadcast channel (physical broadcast channel, PBCH) Block (master information block, MIB) notification, or other methods, as long as it is ensured that the first type of terminal device can support the bandwidth of the first initial BWP, specifically how the first type of terminal device obtains the bandwidth of the first initial BWP ,
- the bandwidth of the first initial BWP can also be described by the bandwidth of control resource set 0 (CORESET0) including Type 0 PDCCH search space set.
- the terminal device at least detects the control information scrambled by the system information radio network temporary identity (SI-RNTI).
- SI-RNTI system information radio network temporary identity
- the set of second frequency offsets is ⁇ 0, 2, 4, 12, 16, 38 ⁇ , where the unit of ⁇ 0, 2, 4, 12, 16, 38 ⁇ corresponds to RB .
- the first frequency offset belongs to the first set, the first set is the set of the second frequency offset, then the first frequency offset is any of the sets ⁇ 0, 2, 4, 12, 16, 38 ⁇ item.
- the second type terminal device can only determine a second frequency offset.
- the first set referred to in this application refers to the set of frequency offsets that the second type terminal may use. , This will not be repeated in the following.
- the first initial BWP bandwidth corresponding to the first terminal device is 24 RBs
- the second initial BWP bandwidth is 48 RBs
- the second frequency offset is 12 or 16
- the first frequency offset is 0 or 4 .
- the first frequency offset is 2.
- the first initial BWP bandwidth corresponding to the first terminal device is 48 RBs, and the first frequency offset is any item in the set ⁇ 12, 16, 38 ⁇ .
- the first initial BWP bandwidth corresponding to the first terminal device is 96 RBs, and the first frequency offset is 38.
- the subcarrier interval corresponding to the RB is the subcarrier interval corresponding to the initial BWP, or the same description can be expressed by the PDCCH subcarrier interval .
- the PDCCH subcarrier interval can be understood as the subcarrier interval corresponding to the initial BWP.
- the frequency offset between one frequency resource A and another frequency resource B can be the RB position corresponding to the start position of frequency resource A and the start position of frequency resource B
- the difference in the number of RBs between the corresponding RB positions can also be expressed by the difference in the number of RBs between the RB position corresponding to the end position of the frequency resource A and the RB position corresponding to the end position of the frequency resource B, where the frequency
- the RB corresponding to the start position of the resource may be the RB corresponding to the lowest frequency or the highest frequency of the frequency resource.
- the RB corresponding to the end position of the frequency resource may be the RB corresponding to the highest frequency or the lowest frequency of the frequency resource.
- the subcarrier intervals corresponding to different frequency resources may be different or the same, and are not limited.
- the number of RBs corresponding to the frequency offset between the different frequency resources can be represented by the RB of any one of the frequency resources.
- the RB boundaries of different frequency resources may not be aligned.
- the frequency offset between frequency resource A and frequency resource B is less than one RB, and one RB has 12 consecutive subcarriers in frequency. It can be considered that the frequency in the case shown in a in Figure 4 is The frequency offset between resource A and frequency resource B is 0 RBs. As shown in b in Figure 4, the frequency offset between frequency resource A and frequency resource B is greater than one RB and less than two RBs.
- the RB boundaries of different frequency resources are not aligned, it can be considered that the frequency offset in b in Figure 4 In the case shown, the frequency offset between frequency resource A and frequency resource B is 1 RB.
- the set of second frequency offset is ⁇ 5,6,7,8,18,20 ⁇ , where the unit of ⁇ 5,6,7,8,18,20 ⁇ corresponds to RB .
- the first frequency offset belongs to the first set, and the first set is the set of the second frequency offset, then the first frequency offset is the set, and the first frequency offset is the set ⁇ 5,6,7, Any one of 8, 18, 20 ⁇ .
- the first frequency offset is any one of ⁇ 5, 6 ⁇ .
- the first frequency offset is any one of ⁇ 7, 8 ⁇ .
- the first initial BWP bandwidth corresponding to the first terminal device is 48 RBs, and the first frequency offset is any item in the set ⁇ 18, 20 ⁇ .
- the set of second frequency offsets is ⁇ 2, 6, 28 ⁇ , where the unit of ⁇ 2, 6, 28 ⁇ corresponds to RB.
- the first frequency offset belongs to the first set, the first set is a set of second frequency offsets, and the first frequency offset is any item in the set ⁇ 2, 6, 28 ⁇ .
- the first frequency offset is 2 RBs.
- the first initial BWP bandwidth corresponding to the first type of terminal device is 96 RBs, and the first frequency offset is 28.
- the set of second frequency offsets is ⁇ 0,1,2,3,4,12,17,16 ⁇ , where ⁇ 0,1,2,3,4,12,17,
- the unit of 16 ⁇ corresponds to RB.
- the first frequency offset belongs to the first set, the first set is the set of the second frequency offset, then the first frequency offset is the set ⁇ 0,1,2,3,4,12,17,16 ⁇ Any one of them.
- the bandwidth of the second initial BWP is 48 RBs, and the second frequency offset is 12, 17, and 16, the first frequency offset is 0, 2, and 4, respectively.
- the first initial BWP bandwidth corresponding to the first type of terminal device is 48 RBs, and the first frequency offset is any item in the set ⁇ 12, 17, 16 ⁇ .
- the set of second frequency offsets is ⁇ 4, 0, 56 ⁇ , where The unit of ⁇ 4, 0, 56 ⁇ corresponds to RB.
- the first frequency offset belongs to the first set, and the first set is a set of second frequency offsets, and the first frequency offset is any item in the set ⁇ 4, 0, 56 ⁇ .
- the first initial BWP bandwidth corresponding to the first type of terminal device is 96 RBs, and the first frequency offset is any one of ⁇ 0, 56 ⁇ .
- the set of second frequency offsets is ⁇ 0, 4, 28 ⁇ , where the unit of ⁇ 0, 4, 28 ⁇ corresponds to RB.
- the first frequency offset belongs to the first set, and the first set is a set of second frequency offsets, and the first frequency offset is any item in the set ⁇ 0, 4, 28 ⁇ .
- the first initial BWP bandwidth corresponding to the first type of terminal device is 48 RBs, and the first frequency offset set is any one of ⁇ 0, 28 ⁇ .
- the design refers to The different values of the second frequency offset determine the specific value of the first frequency offset, and the second frequency offset is designed to take into account the effects of different system bandwidths and synchronization grids of different synchronization signal blocks, so The specific value of the first frequency offset determined according to different values of the second frequency offset can inherit the benefits of the second frequency offset design and can reduce the standard design complexity.
- the frequency offset between the frequency resource of the first initial BWP and the frequency resource of the second initial BWP is 0, or the frequency resource of the first initial BWP and the frequency resource of the second initial BWP are different from each other.
- the frequency offset between the two is the frequency resource size of the second initial BWP minus the frequency resource size of the first initial BWP.
- the RB position corresponding to the start position of the frequency resource of the first initial BWP is the same as the RB position corresponding to the start position of the frequency resource of the second initial BWP, or as shown in Fig. 5
- the RB position corresponding to the end position of the frequency resource of the first initial BWP is the same as the RB position corresponding to the end position of the frequency resource of the second initial BWP.
- the first-type terminal device may determine the frequency resource of the first initial BWP in a pre-configured manner, and the first-type terminal device may also determine the frequency resource of the first initial BWP through the instruction information sent by the network device.
- the indication information may be the frequency resource used to configure the first initial BWP, or the frequency resource used to configure the second initial BWP, which will be described separately in the following.
- the first initial BWP may include the uplink initial BWP and the downlink initial BWP.
- the following initial BWP is taken as an example to determine the first type of terminal equipment The method of the frequency resource of the first initial BWP will be described in detail.
- the frequency resource of the first initial BWP is determined by pre-configuration.
- the first-type terminal device pre-stores the frequency resource configuration information of the first initial BWP.
- the first type of terminal device accesses the wireless system, and may determine the frequency resource configuration information of the first initial BWP according to the pre-configuration information.
- This embodiment will be described below in conjunction with FIG. 6.
- the several specific design methods given above can be presented in the form of a table.
- the table shown in a in Fig. 6 is several specific design methods given in the scene corresponding to category one
- the table shown in b in Fig. 6 is in the scene corresponding to category two.
- the configuration information of the first type of terminal device can be pre-defined.
- the first type of terminal device can save the table shown in FIG. 6 in advance.
- the first type of terminal device accesses the wireless system, it can follow the table shown in FIG. 6 Determine the frequency resource configuration information of the first initial BWP.
- the first type of terminal device may only save configuration information of the first frequency offset, and the bandwidth of the first type of terminal device may be pre-configured.
- the first type of terminal device may also only save the first frequency offset and the bandwidth of the first type of terminal device, but not the bandwidth of the second type of terminal device and the second frequency offset.
- the terminal device of the first type determines the frequency resource of the first initial BWP through the instruction information sent by the network device, and the instruction information is used to configure the frequency resource of the first initial BWP.
- the frequency resource design of the first initial BWP, or the size of the first frequency offset, is the invention of this embodiment.
- the network device sends instruction information how does the terminal device determine the frequency of the first initial BWP according to the instruction information Resources, all the solutions in the prior art can be used in this solution.
- the first-type terminal device determines the frequency resource of the first initial BWP through the instruction information sent by the network device, and the instruction information is used to configure the frequency resource of the second initial BWP.
- the first frequency offset is determined according to the first configuration information from the network device, and the first configuration information is used to configure the frequency resource of the second initial BWP.
- the first configuration information is used to configure the frequency resource of the second initial BWP.
- the instruction information sent by the network device is used to configure the frequency resource of the second initial BWP, and the first type terminal device determines the frequency resource of its first initial BWP according to the instruction information.
- the network device There is no need to send additional indication information for the second type of terminal equipment to determine the frequency resource of the first initial BWP, which can save the network equipment’s overhead for sending control information and achieve energy saving of the network equipment.
- this method is used in the prior art. On the basis of less changes. Several specific ways are given below to discuss how the first type of terminal device determines the frequency resource of the first initial BWP according to the instruction information sent by the network device.
- FIG. 7 it is a schematic flowchart of a method for determining the BWP of the initial bandwidth portion provided by an embodiment of this application.
- the method for determining the BWP of the initial bandwidth portion may include the following steps:
- a first type terminal device receives first configuration information sent by a network device.
- the first configuration information is the frequency resource used to configure the second initial BWP.
- the terminal device of the first type determines a first index value according to the first configuration information.
- the indication information is a MIB message.
- the PDCCH-ConfigSIB1 in the MIB indicates the index of a table.
- the minimum system bandwidth is 5MHz or 10MHz
- PDCCH-ConfigSIB1 Indicate the index of Table 1 below.
- the offset of the last column in the table is the second offset.
- Table 1 includes the number of RBs (number of RBs) and the number of symbols (number of symbols), where number of RBs is used to indicate the bandwidth of the second initial BWP, and number of symbols is used to indicate the time resources occupied by CORESET0 in time, It should be noted that the time resources occupied by CORESET0 in time may appear periodically, where number of symbols represents the time resources of CORESET0 in a cycle, that is, the number of symbols occupied in time. Table 1 may also include SS/PBCH block and PDCCH CORESET multiplexing mode (SS/PBCH block and CORESET multiplexing pattern), which is not shown in Table 1 because it has little to do with this application.
- SS/PBCH block and PDCCH CORESET multiplexing mode SS/PBCH block and CORESET multiplexing pattern
- the terminal device of the first type determines the first index value according to the first configuration information. For example, the corresponding value of pdcch-ConfigSIB1 is 7, that is, the index is determined to be 7, that is, the first index value is 7. Table 1:
- the terminal device of the first type determines M index values, and the frequency offset indicated by any one of the M index values determines the first frequency offset.
- M is a positive integer.
- the M index values and the first index value are used to indicate the frequency offset included in the first set.
- the first set is ⁇ 0, 2, 4, 12, 16, 38 ⁇ .
- the M index values are less than or equal to the index value of the first index value.
- the terminal device of the first type determines the first frequency offset according to the frequency offset indicated by any one of the M index values.
- the terminal device of the first type determines that the first index value is 7 according to the first configuration information, in the above table 1, the index values with the index value less than 7 are 0 to 6, so M is 7, and the index value 0 indicates The frequency offset is 0, the frequency offset indicated by index value 1 is 2, the frequency offset indicated by index value 2 is 4, the frequency offset indicated by index value 3 is 0, and the frequency offset indicated by index value 4
- the shift amount is 2, the frequency offset indicated by the index value 5 is 4, and the frequency offset indicated by the index value 6 is 12, so the first frequency offset may be any of ⁇ 0,2,4,12 ⁇ One item.
- FIG. 8 it is a schematic flowchart of another method for determining the BWP of the initial bandwidth portion provided by an embodiment of this application.
- the method for determining the BWP of the downlink initial bandwidth portion may include the following steps:
- a first type terminal device receives first configuration information sent by a network device.
- the terminal device of the first type determines a first index value according to the first configuration information.
- Step 801 and step 802 can be understood with reference to steps 701 and 702 in the embodiment corresponding to FIG. 7, and details are not repeated here.
- the terminal device of the first type determines the first frequency offset according to the second index value, where the second index value is a value obtained by modulo the first index value to a preset value.
- the terminal device of the first type determines a second index value, the second index value is a value obtained by taking the first index value modulo the preset value, and the first index value and the second index value indicate the frequency offset included in the first set .
- the corresponding value of pdcch-ConfigSIB1 is the first index value, and the first index value modulates the preset value.
- the preset value may be that the initial BWP bandwidth included in the table where the first index value is located is not greater than the total configured number of first initial BWP bandwidths corresponding to the first type of terminal device.
- the preset value may be 6 (that is, all configuration information corresponding to the corresponding index value of 0 to 5).
- the terminal device of the first type may determine the frequency resource distribution of the first initial BWP according to the result of the modulus in combination with Table 1. For example, if the first index value is 9, and the 9 mod 6 is 3, the first type terminal device can determine that the first frequency offset is the index value 3, which corresponds to the frequency offset in Table 1. Is 0.
- the preset value may be 12 (that is, all configurations corresponding to index values of 0 to 11).
- the terminal device of the first type may determine the frequency resource distribution of the first initial BWP according to the result of the modulus in combination with Table 1. For example, if the first index value is 13, 13 mod 12 is used to obtain 1, then the first type terminal device can determine that the first frequency offset is the frequency offset corresponding to the index value 1 in Table 1. , Which is 2 RBs.
- the first type of terminal device determines according to pdcch-ConfigSIB1 that the number of second time-frequency resources corresponding to CORESET0 included in the second initial BWP is 48 RBs*1 OFDM symbols. Assuming that the bandwidth of the first type of terminal device is 24 RBs, pass Table 1. When the first terminal device can determine that the number of first time-frequency resources corresponding to CORESET0 included in the first initial BWP is 24 RB*2 OFDM symbols, the number of first time-frequency resources is closest to the number of second time-frequency resources.
- the corresponding frequency offset (offset in the table) can be 0, 2, 4, and the first A frequency offset can be any value in ⁇ 0, 2, 4 ⁇ .
- the first frequency offset can be pre-configured as the frequency offset corresponding to the smallest index value in ⁇ 0, 2, 4 ⁇
- the offset may be the minimum value of the frequency offset, for example, the first frequency offset is pre-configured to be 0.
- the first-type terminal device determines from pdcch-ConfigSIB1 that the time-frequency resource corresponding to CORESET0 included in the second initial BWP is 48 RB*2 OFDM symbols, or the corresponding time-frequency resource is more, the first-type terminal device It can be determined that the number of time-frequency resources corresponding to CORESET0 included in the first initial BWP is 24 RB*3 OFDM symbols.
- the corresponding frequency offset (offset in the table) can be 0, 2, 4
- the first frequency offset can be any value in ⁇ 0,2,4, ⁇ .
- the first frequency offset can be pre-configured as ⁇ 0,2, 4, ⁇
- the frequency offset corresponding to the minimum index value or the minimum of the frequency offsets for example, the first frequency offset is to be configured as 0.
- FIG. 9 a schematic diagram of a method for determining an initial BWP provided by an embodiment of this application.
- the first type of terminal device determines the frequency resource of the initial BWP corresponding to the first type of terminal device. There is no overlap between the frequency resource of the first initial BWP and the frequency resource of the second initial BWP.
- the terminal device and the second type terminal device have different capabilities.
- the first initial BWP bandwidth may be predefined as the bandwidth of the first type of terminal device, for example, 5 MHz.
- the frequency offset between the first initial BWP frequency resource and the second initial BWP frequency resource may be predefined, or may be implemented in other ways, and is not specifically limited.
- the frequency offset between the first initial BWP frequency resource and the second initial BWP frequency resource is 1 RB, so that it can support diversified data services as described above, or support diversified data services at the same time. The system bandwidth is minimized.
- the first initial BWP may include an uplink initial BWP and a downlink initial BWP.
- FIG. 10 it is a schematic diagram of a method for determining an initial BWP provided by an embodiment of this application.
- the first type terminal device determines the frequency resource of the initial BWP corresponding to the first type terminal device, and there is no overlap between the frequency resource of the first initial BWP and the frequency resource of the synchronization signal block SSB, and the first type terminal device It is different from the capabilities of the second type of terminal equipment.
- the system frequency resources can be effectively used, and it is especially suitable for systems with small system bandwidth but diversified services.
- the frequency offset between the frequency resource of the first initial BWP and the frequency resource of the SSB may be predefined, and the bandwidth of the first initial BWP may be predefined as the bandwidth of the first type of terminal device, For example, it is 5MHz, but other values are also possible, and there is no specific limitation.
- the frequency resource of the first initial BWP can be understood as including the frequency resource location of the first initial BWP, which specifically can be through the frequency start point of the first initial BWP and the bandwidth of the first initial BWP, or The frequency end point of the first initial BWP and the bandwidth of the first initial BWP are represented.
- the same description is given for the second initial BWP, which is not specifically limited in the embodiments of the present application.
- the method for determining the first initial BWP frequency resource with the NR carrier frequency greater than 6 GHz may also adopt the foregoing implementation manner.
- CORESET0 can be understood as not only as above, but also as a control resource set CORESET including the transmission of scheduling information, where the scheduling information is used to schedule the transmission of public information included in the initial BWP. Control information.
- CORESET0 is a time-frequency resource set including SIB1 PDCCH transmission, and/or a time-frequency resource set including Paging PDCCH transmission, and/or a time-frequency resource set including RAR PDCCH transmission.
- SIB1 PDCCH is a physical downlink control channel that carries control information for scheduling SIB1 transmission
- Paging PDCCH is a physical downlink control channel that carries control information for scheduling Paging transmission
- RAR is a physical downlink control channel that carries information for scheduling RAR.
- the frequency resource of CORESET0 can be equivalent to the frequency resource of the initial BWP
- the time resource of CORESET0 can be represented by the time position where the PDCCH search space (search space, SS or PDCCH search space set search space set) associated with the CORESET0 appears.
- the PDCCH SS or PDCCH search space set associated with the CORESET0 can be understood as including the PDCCH SS or PDCCH search space set configuration in the frequency resource corresponding to the CORESET0, where the search space set can be understood as including a group of terminal devices that need to be detected A set of PDCCH candidates.
- the terminal device On the PDCCH candidate, the terminal device may or may not detect the control information for scheduling the data transmission of the terminal device. This depends on whether the network device sends the scheduling of the terminal on the PDCCH candidate. Control information for device data transmission.
- the control information here may be cell-specific control information or terminal device-specific control information, which is not specifically limited in the embodiment of the present application.
- the time resource of CORESET0 can be understood as, for example, the time resource notified by the pdcch-ConfigSIB1 included in the MIB, that is, the time resource corresponding to the Type0-PDCCH search space set.
- time resources corresponding to CORESET0 are used to describe the following.
- the radio frame where the time resource of the first CORESET0 corresponding to the first type terminal device is located does not include the time resource for the synchronization signal block SSB transmission, or the second type terminal device is not included in the slot where the first time resource is located The time resource of the corresponding second CORESET0.
- the first time resources corresponding to different beam directions are preferentially mapped in the radio frame that does not include the time resources for SSB transmission, and are mapped to the slot index according to the associated SSB index in ascending order.
- the time slot to which the first time resource is mapped does not include the time resource of the second CORESET0.
- the beam directions corresponding to the first time resources located at different time positions may be the same or different, and are not specifically limited.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in a radio frame.
- multiple first time resources that have the same quasi colocation (QCL) relationship with one SSB are distributed in consecutive time slots in one radio frame.
- the first time resources corresponding to different beam directions can be understood as: different SSB indexes associated with CORESET0 correspond to different beam directions. That is, different beam directions can be distinguished by the SSB index. If the SSB index is different, the beam direction corresponding to CORESET0 associated with the SSB is considered to be different. Even in practice, the data of the same beam direction sent by the network device through different SSB indexes can also be considered as different beam directions in this application.
- the first time resource is determined according to second configuration information from the network device, and the second configuration information is used to configure the second time resource.
- second configuration information is used to configure the second time resource.
- the first time resource can be determined by the following formula:
- the second configuration information may be a MIB message, and the manner of determining each parameter is as follows:
- the parameter O and the parameter M can be directly determined according to the pdcch-ConfigSIB1 indication included in the MIB.
- L is the maximum number of SSBs that can be transmitted in the frequency band where the SSB is located.
- the SSB will be sent periodically in a half-frame of 5 ms.
- the half-frame period including the SSB can be ⁇ 5 ms, 10 ms, 20 ms, 40 ms, 80 ms, 160 ms ⁇ .
- the SSB can be repeated multiple times in a half frame, and the maximum number of repetitions is L times.
- the value of L is determined by the frequency band where the NR carrier is located.
- Offset' represents the time offset, which is a pre-configured value or indicated by the second configuration information.
- i is the index of the SSB corresponding to the time resource of the first CORESET0.
- M'can be the same as M.
- u corresponds to different subcarrier intervals or different parameter sets (numerology), the value of u can refer to Table 2
- the radio frame index in which the slot is obtained by the above calculation can be determined by the parity corresponding to the slot index, or the slot obtained by the above calculation is preferentially included in the radio frame that does not include NR SSB transmission.
- the time resource (for example, time slot) where the first time resource is located can also be determined by the following formula:
- the first type of terminal device determines the O and M parameters in the above formula according to the pdcch-ConfigSIB1 included in the MIB, and then determines the slot where the first time resource is located according to the predefined time offset and n0 calculated by the above formula ,
- the time offset here can be understood as corresponding to the same SSB index, the time offset between the first time resource and the second time resource. For example, if the O indicated by pdcch-ConfigSIB1 is 0, the predefined time offset The shift amount can be 5; for another example, no matter what the specific value of O indicated by pdcch-ConfigSIB1 is, the time offset can be 5.
- the terminal device of the first type determines the values of the O and M parameters in the above formula according to the control information, and combines the predefined values
- the value of the first time resource directly determines the slot where the first time resource is located.
- the embodiment of the present application does not specifically limit the specific transmission mode of the control information and the transmission channel carried.
- the radio frame index in which the slot is calculated in this way can be determined by the parity corresponding to the slot index, or the slot calculated by the above calculation is prioritized in the radio frame that does not include NR SSB transmission.
- the first configuration information and the second configuration information may be the same information, and the first configuration information and the second configuration information may also be different information, but are carried in the same
- the downlink data transmission channel may include, but is not limited to, broadcast channels, downlink control information, and downlink shared channels, which will not be repeated in the following.
- the first time resource and the time resource including SSB transmission may be time domain multiplexing (TDM), that is, the first time resource and the time resource including SSB transmission are between There is no overlap in time.
- TDM time domain multiplexing
- the time resource including the SSB transmission is different from the time slot corresponding to the first time resource, or the corresponding OFDM symbol is different.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first time resource is included in the second time resource.
- this embodiment can be used in conjunction with the frequency resource of the first initial BWP determined by the first or second frequency design in the above description.
- the first time resource and the time resource including SSB transmission may be TDM, that is, the first time resource and the time resource including SSB transmission do not overlap in time.
- the time resource including the SSB transmission is different from the time slot corresponding to the first time resource, or the corresponding OFDM symbol is different.
- the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device is determined, and the first time resource is included in the time resource of the synchronization signal block SSB.
- the SSB corresponding to the terminal device of the first type and the SSB corresponding to the terminal device of the second type may be the same or different, which is not specifically limited in this application.
- any one of the three time resource design methods can be combined with any one of the above-mentioned three frequency resource design methods.
- the first frequency resource design method can be combined with the first CORESET0 time resource design method, which can be specifically understood with reference to the schematic diagram shown in FIG. 3.
- the design method of the first frequency resource can be combined with the design method of the second CORESET0 time resource.
- the first frequency resource design method can be combined with the third CORESET0 time resource design method, and the specific design method can be understood with reference to the schematic diagram shown in FIG. 12.
- the second frequency resource design method can be used in combination with the first CORESET0 time resource design method, which can be specifically understood with reference to the schematic diagram shown in FIG. 13.
- the second way of designing frequency resources can be combined with the second way of designing time resources of CORESET0, which can be specifically understood with reference to the schematic diagram shown in FIG. 9.
- the second frequency resource design method can be combined and applied with the third CORESET0 time resource design method, which can be specifically understood with reference to the schematic diagram shown in FIG. 14.
- the third frequency resource design method can be used in combination with the first CORESET0 time resource design method, which can be specifically understood with reference to the schematic diagram shown in FIG. 15.
- the third frequency resource design method can be used in combination with the second CORESET0 time resource design method, which can be specifically understood with reference to the schematic diagram shown in FIG. 16.
- the third frequency resource design method can be combined with the third CORESET0 time resource design method.
- the specific design method can be understood with reference to the schematic diagram shown in FIG. 10.
- the network device can flexibly configure the above-mentioned combination mode according to its own business requirements.
- the network device can be configured with X types of configurations, and the X types of configurations include at least one of the above-mentioned combination modes.
- the network device is configured with only one configuration, then this configuration can be one of the aforementioned combinations, or the network device can be configured with two configurations, and the two configurations are at least two of the aforementioned combinations.
- the specific configuration used by the terminal device to determine the frequency resource and time resource (CORESET0 time resource) of the first initial BWP can be implemented in other ways, and this application does not specifically limit it.
- the above describes the method of determining the initial BWP from how to determine the frequency resource of the initial BWP and how to determine the time resource of CORESET0. It should be noted that the first time resource can occur periodically. The following will combine specific examples to compare the first The cycle design method of time resources is explained.
- the period of the first time resource may be the same as the period of the second time resource, or the period of the first time resource and the second time resource may be different.
- the period of the first time resource may be an integer multiple or a fractional multiple of the period of the second time resource.
- the period of the first time resource and the second time resource are different, which can facilitate the network equipment to adaptively design appropriate time resources to carry the transmission of public information according to the capabilities of different types of terminal devices, which is particularly important in ensuring the performance of public information transmission. While covering performance, it ensures the efficiency of resource use and avoids unnecessary resource overhead on the network equipment side.
- the first cycle design method of the first time resource provided in this application can be applied separately, or it can be combined with the three initial BWP frequency resource design methods and the three CORESET0 time resource design methods described above. Combined use, specifically, when the first time resource cycle design method is combined with any CORESET0 time resource design method, the first time resource design method for each cycle and CORESET0 time resource design The same way.
- the first cycle design method of the first time resource can be combined with the second CORESET0 time resource design method.
- the first time resource is included in the second time resource, which may include at least one of the following understandings:
- the period of the first time resource is the same as the period of the second time resource.
- the second time resource where the second CORESET0 appears includes the time resource of the first CORESET0.
- the time resource of the second CORESET0 corresponds to The range of time resources included in the M1-th OFDM symbol to the M2-th OFDM (including the M1-th and M2-th OFDM symbols) in a slot, then the time resource of the first CORESET0 can correspond to the M3-th to the M3-th in the slot M4 OFDM symbols (including M3 and M4 OFDM symbols), where M3 is not less than M1, and M4 is not greater than M2.
- the period of the first time resource is different from the period of the second time resource, and the period of the first time resource is an integer multiple of the period of the second time resource, and the time resource where the first time resource overlaps with the second time resource Above, the first time resource is included in the second time resource.
- the first time resource can also satisfy: the period of the first time resource is different from the period of the second time resource, and the period of the first time resource is a fractional multiple of the period of the second time resource, and the For time resources where a time resource and a second time resource overlap, the first time resource is included in the second time resource.
- the period of the second time resource is 10 ms
- the period of the first time resource is 5 ms.
- this implementation manner can also be understood as the first time resource included in the second time resource.
- the first time resource may be the same as the period of the time resource of the SSB corresponding to the first type of terminal device, or the first time resource may be the same as the period of the time resource of the SSB corresponding to the first type of terminal device Not the same.
- the period of the first time resource may be an integer multiple or a fractional multiple of the period of the time resource of the SSB.
- the first time resource is different from the SSB transmission cycle, which can facilitate the network equipment to adaptively design appropriate time resources to carry the transmission of public information according to the coverage performance of different data, which ensures the efficiency of resource use and avoids failures on the network equipment side. Necessary resource expenditure.
- the terminal device can ensure the transmission performance of the SSB by means of energy accumulation, and for the first time resource including the transmission of public information, a transmission period different from that of the SSB can be set to ensure the transmission performance of the public information.
- the second cycle design method of the first time resource can be applied separately, or it can be combined with the three initial BWP frequency resource design methods and the three CORESET0 time resource design methods described above. Combined use, specifically, when the second time resource cycle design method is combined with any CORESET0 time resource design method, the second time resource design method for each cycle and CORESET0 time resource design The same way.
- the first time resource is included in the time resource of the SSB, which may include at least one of the following understandings:
- the period of the first time resource is the same as the period of the time resource of the SSB.
- the time resource in which the SSB appears includes the time resource of the first CORESET0.
- the time resource of the SSB corresponds to the first time resource in a time slot.
- M1 OFDM symbol to M2 OFDM include the time resource range, then the time resource of the first CORESET0 can correspond to the M3 to M4 OFDM symbols (including M3 and M4 OFDM symbols), where M3 is not less than M1, and M4 is not greater than M2.
- the period of the first time resource is different from the period of the time resource of the SSB, and the period of the first time resource is an integer multiple of the period of the time resource of the SSB, and the first time resource coincides with the time resource of the SSB
- the first time resource is included in the time resource of the SSB.
- the first time resource can also satisfy: the period of the first time resource is different from the SSB transmission period, and the period of the first time resource is a fractional multiple of the SSB transmission period, and the period of the first time resource is a fraction of the SSB transmission period.
- the first time resource is included in the SSB time resource.
- the transmission period of the SSB is 10 ms
- the period of the first time resource is 5 ms.
- the first time resource is also included in the SSB time resource, so this implementation manner can also be understood as the first time resource is included in the SSB time resource.
- the probability that the network device turns off the symbol can be increased, and the network device can reduce the transmission of public information. And SSB required power consumption.
- the period of the first time resource or the period of the time resource including the transmission of public information or the period of the first CORESET0 time resource may be the default period of the terminal device, such as 20 ms, or it may be The period during which the network device sends public information or the period during which it actually sends public information.
- the period during which the network device sends public information can be 5ms, 10ms, 20ms, 40ms,..., and the period during which the network device actually sends public information can be sent by the network device. Any value in the period of the public information. The same description is also given for the period of the second time resource, and will not be repeated.
- the SSB transmission period can also be the default period of the terminal device, or the period of the network device sending the SSB or the period of actually sending the SSB, for example, the period of the network device sending the SSB. It can be 5ms, 10ms, 20ms, 40ms,..., and the period when the network device actually sends the SSB can be any one of the periods when the network device sends public information.
- the method for determining the initial BWP provided by this application has been introduced from the three aspects of frequency resource design method, CORESET0 time resource design method, and time resource cycle design method.
- the design method provided by this application is simple in design and inherits the current situation.
- the original intention of some second initial BWP is to reduce the complexity of standard design.
- the above-mentioned first-type terminal device includes hardware structures and/or software modules corresponding to each function.
- the present application can be implemented in the form of hardware or a combination of hardware and computer software. Whether a certain function is executed by hardware or computer software-driven hardware depends on the specific application and design constraint conditions of the technical solution. Professionals and technicians can use different methods for each specific application to implement the described functions, but such implementation should not be considered beyond the scope of this application.
- the first type terminal device in Figures 3 to 16 can be implemented by one physical device, or can be implemented by multiple physical devices, or a logical function module in one physical device.
- the embodiment does not specifically limit this.
- the first type of terminal equipment or terminal equipment may also be referred to as a device for determining the BWP of the downlink initial bandwidth part, which may be implemented by the communication equipment in FIG. 17.
- FIG. 17 shows a schematic diagram of the hardware structure of a terminal device provided by an embodiment of the application. It includes a communication interface 1701 and a processor 1702, and may also include a memory 1703.
- the communication interface 1701 can use any device such as a transceiver to communicate with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
- a transceiver to communicate with other devices or communication networks, such as Ethernet, radio access network (RAN), wireless local area networks (WLAN), etc. .
- RAN radio access network
- WLAN wireless local area networks
- the processor 1702 includes, but is not limited to, a central processing unit (CPU), a network processor (NP), an application-specific integrated circuit (ASIC) or a programmable logic device (programmable logic device, PLD) one or more.
- the above-mentioned PLD may be a complex programmable logic device (CPLD), a field-programmable gate array (FPGA), a general array logic (generic array logic, GAL), or any combination thereof.
- the processor 1702 is responsible for the communication line 1704 and general processing, and can also provide various functions, including timing, peripheral interfaces, voltage regulation, power management, and other control functions.
- the memory 1703 may be used to store data used by the processor 1702 when performing operations.
- the memory 1703 can be a read-only memory (ROM) or other types of static storage devices that can store static information and instructions, random access memory (RAM), or other types that can store information and instructions
- the dynamic storage device can also be electrically erasable programmable read-only memory (electrically programmable read-only memory, EEPROM), compact disc read-only memory (CD-ROM) or other optical disk storage, Optical disc storage (including compressed optical discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or can be used to carry or store desired program codes in the form of instructions or data structures and can Any other medium accessed by the computer, but not limited to this.
- the memory may exist independently, and is connected to the processor 1702 through a communication line 1704.
- the memory 1703 may also be integrated with the processor 1702. If the memory 1703 and the processor 1702 are independent devices, the memory 1703 and the processor 1702 are connected, for example, the memory 1703 and the processor 1702 may communicate through a communication line.
- the communication interface 1701 and the processor 1702 may communicate through a communication line, and the communication interface 1701 may also be directly connected to the processor 1702.
- the communication line 1704 may include any number of interconnected buses and bridges, and the communication line 1704 links various circuits including one or more processors 1702 represented by the processor 1702 and memories represented by the memory 1703 together.
- the communication line 1704 can also link various other circuits such as peripheral devices, voltage regulators, power management circuits, etc., which are all known in the art, and therefore, this application will not further describe them.
- the terminal device may include: a processor, configured to execute the program stored in the memory, and when the program stored in the memory is executed, the processor is configured to determine the first terminal device corresponding to the first type of terminal device.
- the frequency resource of the initial BWP, the frequency resource of the first initial BWP may be included in the frequency resource of the second initial BWP corresponding to the second type of terminal device, and the capabilities of the first type of terminal device and the second type of terminal device are different.
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- it may include: a processor, configured to determine the frequency resource of the initial BWP corresponding to the first type of terminal device, where there is no overlap between the frequency resource of the first initial BWP and the frequency resource of the second initial BWP, The first type of terminal equipment and the second type of terminal equipment have different capabilities.
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- it may include: a processor, configured to determine the frequency resource of the initial BWP corresponding to the first type of terminal device, where there is no overlap between the frequency resource of the first initial BWP and the frequency resource of the synchronization signal block SSB, The first type of terminal equipment and the second type of terminal equipment have different capabilities.
- the communication interface is coupled with the processor, and is used to transmit signaling and/or data to the network device according to the frequency resource of the first initial BWP.
- the capabilities of the first type terminal device and the second type terminal device are different, which may include at least one of the following: the first type terminal device and the second type terminal device have different bandwidth capabilities.
- the first type terminal equipment and the second type terminal equipment have different numbers of transmitting and receiving antennas.
- the first type of terminal equipment and the second type of terminal equipment have different uplink maximum transmit powers.
- the first frequency offset is determined according to the first configuration information from the network device, and the first configuration information is used to configure the frequency resource of the second initial BWP.
- the first frequency offset is the same as the second frequency offset.
- the processor is specifically configured to: determine the first index value according to the first configuration information. Determine M index values, M is a positive integer, M index values and the first index value are used to indicate the frequency offsets that can be included in the first set, and the M index values are less than or equal to the index value of the first index value.
- the first frequency offset is determined according to the frequency offset indicated by any one of the M index values.
- the processor is specifically configured to: determine the first index value according to the first configuration information.
- the second index value is determined, the second index value is a value obtained by modulating the first index value with the preset value, and the first index value and the second index value indicate the frequency offset that can be included in the first set.
- the first frequency offset is determined according to the second index value.
- the first frequency offset is determined according to the first number of time-frequency resources, and the first number of time-frequency resources and the second number of time-frequency resources correspond to the frequency offsets that can be included in the first set
- the first number of time-frequency resources is the number of time-frequency resources closest to the number of second time-frequency resources
- the second number of time-frequency resources is the number of time-frequency resources corresponding to CORESET0 of the second type of terminal device.
- the processor is further configured to: determine the time resource of the first control resource set 0CORESET0 corresponding to the first type of terminal device, and the radio frame where the first time resource is located may not include synchronization signal block SSB transmission Or, the time slot in which the first time resource is located may not include the time resource of the second CORESET0 corresponding to the second type of terminal device.
- the first time resources corresponding to the same SSB are distributed in two consecutive time slots in a radio frame.
- the processor is further configured to determine the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device, and the first time resource may be included in the second time resource.
- the processor is further configured to determine the time resource of the first control resource set OCORESET0 corresponding to the first type of terminal device, and the first time resource may be included in the time resource of the synchronization signal block SSB.
- the first time resource is determined according to the second configuration information from the network device Yes, the second configuration information is used to configure the second time resource.
- the communication interface can be regarded as the transceiver unit of the terminal device
- the processor with processing function can be regarded as the processing unit of the terminal device
- the memory can be regarded as the storage unit of the terminal device.
- the terminal device includes a transceiving unit 1810, a processing unit 1820, and a storage unit 1830.
- the transceiving unit may also be referred to as a transceiver, a transceiver, a transceiving device, and so on.
- the processing unit may also be called a processor, a processing board, a processing module, a processing device, and so on.
- the device for implementing the receiving function in the transceiving unit 1810 can be regarded as the receiving unit, and the device for implementing the sending function in the transceiving unit 1810 can be regarded as the sending unit, that is, the transceiving unit 1810 includes a receiving unit and a sending unit.
- the transceiver unit may sometimes be referred to as a transceiver, a transceiver, or a transceiver circuit.
- the receiving unit may sometimes be called a receiver, a receiver, or a receiving circuit.
- the transmitting unit may sometimes be called a transmitter, a transmitter, or a transmitting circuit.
- the transceiving unit 1810 is configured to perform the transceiving operations on the terminal device side of the first type in FIGS. 3 to 15.
- the processing unit 1820 is configured to execute the processing steps on the terminal device side of the first type in FIG. 3 to FIG. 15.
- the storage unit 1830 is configured to execute the storage steps on the side of the first type terminal device in FIG. 3 to FIG. 15.
- the computer program product includes one or more computer instructions.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium or transmitted from one computer-readable storage medium to another computer-readable storage medium.
- the computer instructions may be transmitted from a website, computer, server, or data center. Transmission to another website, computer, server or data center via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.).
- wired such as coaxial cable, optical fiber, digital subscriber line (DSL)
- wireless such as infrared, wireless, microwave, etc.
- the computer-readable storage medium may be any available medium that can be stored by a computer or a data storage device such as a server or a data center integrated with one or more available media.
- the usable medium may be a magnetic medium (for example, a floppy disk, a hard disk, and a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
- the program can be stored in a computer-readable storage medium, and the storage medium can include: ROM, RAM, magnetic disk or CD, etc.
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Abstract
Description
| μ | 子载波间隔Δf=2 μ·15[kHz] |
| 0 | 15 |
| 1 | 30 |
| 2 | 60 |
| 3 | 120 |
| 4 | 240 |
Claims (27)
- 一种确定初始带宽部分BWP的方法,其特征在于,包括:确定第一类型终端设备对应的第一初始BWP的频率资源,所述第一初始BWP的频率资源包括于第二类型终端设备对应的第二初始BWP的频率资源内,所述第一类型终端设备和所述第二类型终端设备的能力不同;根据所述第一初始BWP的频率资源与网络设备传输信令和/或数据。
- 根据权利要求1所述的方法,其特征在于,所述第一类型终端设备和所述第二类型终端设备的能力不同,包括以下至少一项:所述第一类型终端设备和所述第二类型终端设备的带宽能力不同;所述第一类型终端设备和所述第二类型终端设备的收发天线数目不同;所述第一类型终端设备和所述第二类型终端设备的上行最大发射功率不同。
- 根据权利要求1或2所述的方法,其特征在于,所述第一初始BWP的频率资源是根据第一频率偏移量确定的,所述第一频率偏移量属于第一集合,所述第一集合为第二频率偏移量的集合;其中,所述第一频率偏移量为所述第一初始BWP的频率资源相对同步信号块SSB的频率资源的偏移量,所述第二频率偏移量为所述第二初始BWP的频率资源相对所述SSB的频率资源的偏移量。
- 根据权利要求3所述的方法,其特征在于,所述第一频率偏移量是根据来自网络设备的第一配置信息确定的,所述第一配置信息用于配置所述第二初始BWP的频率资源。
- 根据权利要求3或4所述的方法,其特征在于,所述第一频率偏移量与所述第二频率偏移量相同。
- 根据权利要求4所述的方法,其特征在于,所述第一频率偏移量是根据来自网络设备的第一配置信息确定的,包括:所述第一类型终端设备根据所述第一配置信息确定第一索引值;所述第一类型终端设备确定M个索引值,所述M为正整数,所述M个索引值和所述第一索引值用于指示所述第一集合中包括的频率偏移量,所述M个索引值小于或等于所述第一索引值的索引值;所述第一类型终端设备根据所述M个索引值中的任意一个索引值指示的所述频率偏移量确定所述第一频率偏移量。
- 根据权利要求4所述的方法,其特征在于,所述第一频率偏移量是根据来自网络设备的第一配置信息确定的,包括:所述第一类型终端设备根据所述第一配置信息确定第一索引值;所述第一类型终端设备确定第二索引值,所述第二索引值为所述第一索引值对预设值取模后的值,所述第一索引值和所述第二索引值指示所述第一集合中包括的频率偏移量;所述第一类型终端设备根据所述第二索引值确定所述第一频率偏移量。
- 根据权利要求3所述的方法,其特征在于,所述第一频率偏移量是根据第一时频资源数确定的,所述第一时频资源数和所述第二时频资源数对应于所述第一集合中包括的频率偏移量,所述第一时频资源数为最接近所述第二时频资源数的时频资源数,第二时频资源数为所述第二类型终端设备的CORESET0对应的时频资源数。
- 根据权利要求1至8任一项所述的方法,其特征在于,所述方法还包括:确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源所在的无线帧内不包括同步信号块SSB传输的时间资源,或者,所述第一时间资源所在的时隙内不包括所述第二类型终端设备对应的第二CORESET0的时间资源。
- 根据权利要求9所述的方法,其特征在于,所述方法还包括:对应同一个所述SSB的所述第一时间资源分布在一个无线帧内的连续两个时隙内。
- 根据权利要求1至8任一项所述的方法,其特征在于,确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源包括于第二时间资源内,所述第二时间资源为所述第二类型终端设备对应的第二CORESET0的时间资源。
- 根据权利要求1至8任一项所述的方法,其特征在于,确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源包括于同步信号块SSB的时间资源内。
- 根据权利要求9至11任一项所述的方法,其特征在于,所述第一时间资源是根据来自网络设备的第二配置信息确定的,所述第二配置信息用于配置所述第二时间资源。
- 一种确定初始带宽部分BWP的装置,其特征在于,包括:处理单元,用于确定第一类型终端设备对应的第一初始BWP的频率资源,所述第一初始BWP的频率资源包括于第二类型终端设备对应的第二初始BWP的频率资源内,所述第一类型终端设备和所述第二类型终端设备的能力不同;通信单元,用于根据所述第一初始BWP的频率资源与网络设备传输信令和/或数据。
- 根据权利要求14所述的装置,其特征在于,所述第一类型终端设备和所述第二类型终端设备的能力不同,包括以下至少一项:所述第一类型终端设备和所述第二类型终端设备的带宽能力不同;所述第一类型终端设备和所述第二类型终端设备的收发天线数目不同;所述第一类型终端设备和所述第二类型终端设备的上行最大发射功率不同。
- 根据权利要求14或15所述的装置,其特征在于,所述第一初始BWP的频率资源是根据第一频率偏移量确定的,所述第一频率偏移量属于第一集合,所述第一集合为第二频率偏移量的集合;其中,所述第一频率偏移量为所述第一初始BWP的频率资源相对同步信号块SSB的频率资源的偏移量,所述第二频率偏移量为所述第二初始BWP的频率资源相对所述SSB的频率资源的偏移量。
- 根据权利要求16所述的装置,其特征在于,所述第一频率偏移量是根据来自网络设备的第一配置信息确定的,所述第一配置信息用于配置所述第二初始BWP的频率资源。
- 根据权利要求16或17所述的装置,其特征在于,所述第一频率偏移量与所述第二频率偏移量相同。
- 根据权利要求17所述的装置,其特征在于,所述处理单元,具体用于:根据所述第一配置信息确定第一索引值;确定M个索引值,所述M为正整数,所述M个索引值和所述第一索引值用于指示所述第一集合中包括的频率偏移量,所述M个索引值小于或等于所述第一索引值的索引值;根据所述M个索引值中的任意一个索引值指示的所述频率偏移量确定所述第一频率偏移量。
- 根据权利要求17所述的装置,其特征在于,所述处理单元,具体用于:根据所述第一配置信息确定第一索引值;确定第二索引值,所述第二索引值为所述第一索引值对预设值取模后的值,所述第一索引值和所述第二索引值指示所述第一集合中包括的频率偏移量;根据所述第二索引值确定所述第一频率偏移量。
- 根据权利要求16所述的装置,其特征在于,所述第一频率偏移量是根据第一时频资源数确定的,所述第一时频资源数和所述第二时频资源数对应于所述第一集合中包括的频率偏移量,所述第一时频资源数为最接近所述第二时频资源数的时频资源数,第二时频资源数为所述第二类型终端设备的CORESET0对应的时频资源数。
- 根据权利要求14至21任一项所述的装置,其特征在于,所述处理单元,还用于:确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源所在的无线帧内不包括同步信号块SSB传输的时间资源,或者,所述第一时间资源所在的时隙内不包括所述第二类型终端设备对应的第二CORESET0的时间资源。
- 根据权利要求22所述的装置,其特征在于,对应同一个所述SSB的所述第一时间资源分布在一个无线帧内的连续两个时隙内。
- 根据权利要求14至21任一项所述的装置,其特征在于,所述处理单元,还用于:确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源包括于所述第二时间资源内。
- 根据权利要求14至21任一项所述的装置,其特征在于,所述处理单元,还用于:确定所述第一类型终端设备对应的第一控制资源集合0CORESET0的时间资源,所述第一时间资源包括于同步信号块SSB的时间资源内。
- 根据权利要求22至24任一项所述的装置,其特征在于,所述第一时间资源是根据来自网络设备的第二配置信息确定的,所述第二配置信息用于配置所述第二时间资源。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质用于存储计算机程序,当所述计算机程序在计算机上运行时,使得所述计算机执行如权利要求1至13中 任意一项所述的方法。
Priority Applications (10)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2022544266A JP7407957B2 (ja) | 2020-01-22 | 2020-01-22 | 初期帯域幅部bwp及び記憶媒体を決定するための方法及び装置 |
| KR1020227028594A KR20220129600A (ko) | 2020-01-22 | 2020-01-22 | 초기 대역폭 부분(bwp)을 결정하는 방법 및 장치 그리고 저장 매체 |
| CN202080088966.9A CN114846881B (zh) | 2020-01-22 | 2020-01-22 | 一种确定初始带宽部分bwp的方法、装置及存储介质 |
| EP20916203.1A EP4087344B1 (en) | 2020-01-22 | 2020-01-22 | Method and apparatus for determining initial bandwidth part (bwp) |
| EP25226084.9A EP4738753A2 (en) | 2020-01-22 | 2020-01-22 | Method and apparatus for determining initial bandwidth part bwp, and storage medium |
| CN202411495514.9A CN119450741A (zh) | 2020-01-22 | 2020-01-22 | 一种确定初始带宽部分bwp的方法、装置及存储介质 |
| CN202411495470.XA CN119545540A (zh) | 2020-01-22 | 2020-01-22 | 一种确定初始带宽部分bwp的方法、装置及存储介质 |
| PCT/CN2020/073794 WO2021146998A1 (zh) | 2020-01-22 | 2020-01-22 | 一种确定初始带宽部分bwp的方法、装置及存储介质 |
| US17/870,499 US12414057B2 (en) | 2020-01-22 | 2022-07-21 | Method and apparatus for determining initial bandwidth part BWP, and storage medium |
| US19/291,936 US20260046795A1 (en) | 2020-01-22 | 2025-08-06 | Method and apparatus for determining initial bandwidth part bwp, and storage medium |
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| JP2023514297A (ja) * | 2020-02-17 | 2023-04-05 | 中国移動通信有限公司研究院 | 情報伝送方法及び情報伝送装置、関連機器、並びに記憶媒体 |
| WO2023051488A1 (zh) * | 2021-09-30 | 2023-04-06 | 华为技术有限公司 | 一种消息传输方法及装置 |
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| EP4429388A4 (en) * | 2021-11-02 | 2025-01-29 | Denso Corporation | COMMUNICATION DEVICE, BASE STATION AND COMMUNICATION METHOD |
| JP2025513083A (ja) * | 2022-04-14 | 2025-04-22 | 北京小米移動軟件有限公司 | リソース設定方法、装置、通信デバイスおよび記憶媒体 |
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| EP4429388A4 (en) * | 2021-11-02 | 2025-01-29 | Denso Corporation | COMMUNICATION DEVICE, BASE STATION AND COMMUNICATION METHOD |
| JP2025513083A (ja) * | 2022-04-14 | 2025-04-22 | 北京小米移動軟件有限公司 | リソース設定方法、装置、通信デバイスおよび記憶媒体 |
| JP7796900B2 (ja) | 2022-04-14 | 2026-01-09 | 北京小米移動軟件有限公司 | リソース設定方法、装置、通信デバイスおよび記憶媒体 |
| EP4557857A4 (en) * | 2022-07-12 | 2025-09-03 | Beijing Xiaomi Mobile Software Co Ltd | METHODS AND APPARATUS FOR DETERMINING A CONTROL RESOURCE SET (CORESET) .0 |
| WO2024079796A1 (ja) * | 2022-10-11 | 2024-04-18 | 株式会社Nttドコモ | 端末及び通信方法 |
| WO2025231836A1 (en) * | 2024-05-10 | 2025-11-13 | Nokia Shanghai Bell Co., Ltd. | Configuration of initial bwp |
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|---|---|
| US20220361122A1 (en) | 2022-11-10 |
| CN119545540A (zh) | 2025-02-28 |
| CN114846881B (zh) | 2024-09-24 |
| US20260046795A1 (en) | 2026-02-12 |
| JP2023511897A (ja) | 2023-03-23 |
| CN119450741A (zh) | 2025-02-14 |
| JP7407957B2 (ja) | 2024-01-04 |
| EP4087344A4 (en) | 2023-04-05 |
| KR20220129600A (ko) | 2022-09-23 |
| CN114846881A (zh) | 2022-08-02 |
| EP4087344A1 (en) | 2022-11-09 |
| EP4087344B1 (en) | 2026-04-01 |
| EP4738753A2 (en) | 2026-05-06 |
| US12414057B2 (en) | 2025-09-09 |
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