WO2022087931A1 - 上行传输方法及通信装置 - Google Patents

上行传输方法及通信装置 Download PDF

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Publication number
WO2022087931A1
WO2022087931A1 PCT/CN2020/124564 CN2020124564W WO2022087931A1 WO 2022087931 A1 WO2022087931 A1 WO 2022087931A1 CN 2020124564 W CN2020124564 W CN 2020124564W WO 2022087931 A1 WO2022087931 A1 WO 2022087931A1
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WO
WIPO (PCT)
Prior art keywords
uplink
carrier
transmission
carriers
indication information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/CN2020/124564
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English (en)
French (fr)
Inventor
胡丹
张旭
曲秉玉
王�锋
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Huawei Technologies Co Ltd
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Huawei Technologies Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Priority to PCT/CN2020/124564 priority Critical patent/WO2022087931A1/zh
Priority to CN202080105602.7A priority patent/CN116325601B/zh
Priority to EP20959094.2A priority patent/EP4236150A4/en
Publication of WO2022087931A1 publication Critical patent/WO2022087931A1/zh
Priority to US18/307,167 priority patent/US12452877B2/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W72/00—Local resource management
    • H04W72/20—Control channels or signalling for resource management
    • H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
    • 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
    • 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
    • H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
    • 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
    • H04L5/0092—Indication of how the channel is divided
    • 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
    • H04L5/0094—Indication of how sub-channels of the path are allocated

Definitions

  • the present application relates to the field of communication technologies, and in particular, to an uplink transmission method and a communication device.
  • the International Telecommunication Union defines three types of application scenarios for 5G and future communication systems: enhanced mobile broadband (eMBB), ultra-reliable and low latency communication (Ultra-reliable and low latency) communications, URLLC) and massive machine type communications (mMTC).
  • eMBB enhanced mobile broadband
  • Ultra-reliable and low latency communications Ultra-reliable and low latency communications
  • URLLC ultra-reliable and low latency communications
  • mMTC massive machine type communications
  • the services whose application scenarios are eMBB may include: ultra-high-definition video, augmented reality (AR), virtual reality (VR), etc.
  • the main features of these services are the large amount of transmission data and the high transmission rate.
  • Businesses with application scenarios for URLLC can include: wireless control in industrial manufacturing or production processes, motion control of unmanned vehicles and drones, and tactile interaction applications such as remote repair and remote surgery.
  • the main features of these businesses are that they require Ultra-high reliability, low latency, small amount of transmitted data and burstiness.
  • the application scenarios of mMTC services can include: smart grid power distribution automation, smart cities, etc.
  • the main features of these services are the large number of mMTC terminals, the small amount of transmitted data, and the insensitivity of data to transmission delays. These mMTC terminals need to meet low cost and the need for very long standby times.
  • the present application provides an uplink transmission method and a communication device, so as to improve the utilization rate of spectrum bandwidth in a 5G communication network.
  • the present application provides an uplink transmission method.
  • the execution body of the method may be a terminal device or a chip located in the terminal device.
  • the following description takes the execution body being a terminal device as an example.
  • the method includes: the terminal device receives first indication information, where the first indication information is used to indicate at least two uplink carriers.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information.
  • the present application provides an uplink transmission method, in which the method receives first indication information through a terminal device, where the first indication information is used to indicate at least two uplink carriers, thereby effectively reducing the overhead of control signaling.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information, thereby realizing the purpose of sending uplink transmissions on multiple uplink carriers by the terminal device. Therefore, the present application ensures that uplink transmission is sent on multiple uplink carriers while reducing control signaling overhead, so as to achieve the purpose of utilizing multiple uplink spectrum resources and improving uplink capacity.
  • the first indication information is further used to indicate M first resources or N first resource sets on at least two uplink carriers, where M is a positive integer greater than or equal to 2 , and N is a positive integer greater than or equal to 1.
  • the terminal device determines the first precoding for data transmission according to the M first resources or the N first resource sets.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the M first resources or the N first resource sets include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier, where P and Q are positive integers greater than or equal to 1.
  • the network device configures M first resources or N first resource sets for the terminal device, the M first resources are any combination of the first resources on at least two uplink carriers, and the N first resource sets are The set of any combination of the first resources on the at least two uplink carriers ensures the freedom of the terminal equipment to select the first resource combination, and makes full use of the transmission capability of the terminal equipment.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the first indication information is also used to indicate the first precoding used for data transmission; the first precoding includes the precoding used for sending data on the first uplink carrier and the precoding used for sending data on the second uplink carrier .
  • the first indication information is further used to indicate the number of transmission layers corresponding to the uplink transmission.
  • the number of transmission layers corresponding to the first precoding is the sum of the number of transmission layers on the first uplink carrier and the number of transmission layers on the second uplink carrier for uplink transmission.
  • the terminal equipment can obtain precoding information on at least two uplink carriers by receiving a single indication information, thereby enabling simultaneous uplink transmission on the at least two uplink carriers, reducing the overhead of terminal equipment signaling detection and saving power consumption.
  • the uplink transmission includes the first uplink transmission and/or the second uplink transmission.
  • the terminal device sends the uplink transmission on the at least two uplink carriers according to the first indication information, specifically: the terminal device sends the first uplink transmission on the at least two uplink carriers according to the first indication information;
  • the indication information is that the first uplink transmission is sent on the first uplink carrier of the at least two uplink carriers, and the second uplink transmission is sent on the second uplink carrier of the at least two uplink carriers.
  • the first indication information further includes a first power parameter and a second power parameter
  • the first power parameter corresponds to the uplink transmission on the first uplink carrier of the at least two uplink carriers.
  • the first transmission power and the second power parameter correspond to the second transmission power of the uplink transmission on the second uplink carrier of the at least two uplink carriers.
  • the terminal device can use different power control parameters to perform uplink transmission on at least two uplink carriers, which avoids that the maximum power reduction amount MPR is different due to the different allocation of frequency domain resources on the two uplink carriers, which affects the transmission of uplink transmission. Power determination problem.
  • At least two uplink carriers are at least one of the following situations: at least one auxiliary uplink SUL carrier and at least one non-SUL carrier; at least two uplink carriers used for uplink carrier aggregation carrier; at least two uplink carriers for dual linking; SUL carrier; continuous uplink carrier.
  • the present application provides an uplink transmission method, and the execution body of the method may be a network device or a chip located in the network device.
  • the method includes: the network device determines at least two uplink carriers.
  • the network device sends first indication information to the terminal device, where the first indication information is used to instruct the terminal device to send uplink transmission on at least two uplink carriers.
  • the present application provides a method for uplink transmission.
  • the network device instructs the terminal device to send uplink transmission on at least two uplink carriers by sending the first indication information, thereby effectively reducing the overhead of control signaling.
  • the first indication information is further used to instruct the terminal device to determine, according to the M first resources or N first resource sets on the at least two uplink carriers, the For the first precoding, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 1.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the M first resources or the N first resource sets include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier, where P and Q are integers greater than or equal to 1.
  • the network device configures M first resources or N first resource sets for the terminal device, the M resources are any combination of the first resources on at least two uplink carriers, and the N first resource sets are at least two The set of any combination of the first resources on the uplink carriers ensures the freedom of the terminal device to select the first resource combination, and makes full use of the transmission capability of the terminal device.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the first indication information is also used to indicate the first precoding used for data transmission; the first precoding includes the precoding used for sending data on the first uplink carrier and the precoding used for sending data on the second uplink carrier .
  • the network device can jointly schedule the precoding information on the at least two uplink carriers by receiving a single indication information, thereby enabling concurrent scheduling of uplink transmission on the at least two uplink carriers and improving transmission performance.
  • the first indication information is further used to indicate the number of transmission layers corresponding to the uplink transmission.
  • the number of transmission layers corresponding to the first precoding is the sum of the number of transmission layers on the first uplink carrier and the number of transmission layers on the second uplink carrier for uplink transmission.
  • the first indication information further includes a first power parameter and a second power parameter
  • the first power parameter corresponds to the uplink transmission on the first uplink carrier of the at least two uplink carriers.
  • the first transmission power and the second power parameter correspond to the second transmission power of the uplink transmission on the second uplink carrier of the at least two uplink carriers.
  • the at least two uplink carriers are at least one of the following: at least one auxiliary uplink SUL carrier and at least one non-SUL carrier; at least two uplink carriers used for uplink carrier aggregation ; at least two uplink carriers for dual linking; auxiliary uplink SUL carrier; continuous uplink carrier.
  • the present application provides a communication apparatus.
  • the communication apparatus may be the terminal device in the above-mentioned first aspect, or an electronic device configured in the terminal device, or a larger device including the terminal device.
  • the communication device includes: a receiving unit configured to receive first indication information, where the first indication information is used to indicate at least two uplink carriers.
  • a sending unit configured to send uplink transmission on at least two uplink carriers according to the first indication information.
  • the present application provides a communication device.
  • the communication device receives the first indication information and sends uplink transmissions on at least two uplink carriers according to the first indication information, so that the communication device can send uplink transmissions on multiple uplink carriers.
  • the purpose is to effectively reduce the overhead of control signaling.
  • the first indication information is further used to indicate M first resources or N first resource sets on at least two uplink carriers, where M is a positive integer greater than or equal to 2 , and N is a positive integer greater than or equal to 1.
  • the terminal device further includes: a processing unit configured to determine the first precoding for data transmission according to the M first resources or the N first resource sets.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the M first resources or the N first resource sets include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier, where P and Q are integers greater than or equal to 1.
  • the network device configures M first resources or N first resource sets for the communication device, the M resources are any combination of the first resources on at least two uplink carriers, and the N first resource sets are at least two The set of any combination of the first resources on the uplink carriers ensures the freedom of the communication device to select the first resource combination, and makes full use of the transmission capability of the terminal device.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the first indication information is also used to indicate the first precoding used for data transmission; the first precoding includes the precoding used for sending data on the first uplink carrier and the precoding used for sending data on the second uplink carrier .
  • the first indication information is further used to indicate the number of transmission layers corresponding to the uplink transmission.
  • the number of transmission layers corresponding to the first precoding is the sum of the number of transmission layers on the first uplink carrier and the number of transmission layers on the second uplink carrier for uplink transmission.
  • the communication device can obtain precoding information on at least two uplink carriers by receiving a single indication information, thereby enabling simultaneous uplink transmission on at least two uplink carriers, reducing signaling detection overhead of the communication device and saving power consumption.
  • the uplink transmission includes the first uplink transmission and/or the second uplink transmission; the sending unit is further configured to send the first uplink transmission on the at least two uplink carriers according to the first indication information an uplink transmission; or, the sending unit is further configured to, according to the first indication information, send the first uplink transmission on the first uplink carrier of the at least two uplink carriers, and send the second uplink carrier in the at least two uplink carriers The second uplink transmission.
  • the first indication information further includes a first power parameter and a second power parameter
  • the first power parameter corresponds to the uplink transmission on the first uplink carrier of the at least two uplink carriers.
  • the first transmission power and the second power parameter correspond to the second transmission power of the uplink transmission on the second uplink carrier of the at least two uplink carriers.
  • the communication device can use different power control parameters to perform uplink transmission on at least two uplink carriers, avoiding the problem of determining the transmission power of uplink transmission due to different MPRs caused by different allocation of frequency domain resources on the two uplink carriers.
  • At least two uplink carriers are at least one of the following situations: at least one auxiliary uplink SUL carrier and at least one non-SUL carrier; at least two uplink carriers used for uplink carrier aggregation carrier; at least two uplink carriers for dual linking; SUL carrier; continuous uplink carrier.
  • the present application provides a communication device, which may be the network device in the second aspect above, or an electronic device configured in the network device, or a larger device including the network device.
  • the communication device includes: a processing unit configured to determine at least two uplink carriers.
  • the sending unit is configured to send first indication information to the terminal equipment, where the first indication information is used to instruct the terminal equipment to send uplink transmission on at least two uplink carriers.
  • the communication device provided by the present application instructs the terminal device to send uplink transmission on at least two uplink carriers by sending the first indication information, thereby effectively reducing the overhead of control signaling.
  • the first indication information is further used to instruct the terminal device to determine, according to the M first resources or N first resource sets on the at least two uplink carriers, the For the first precoding, M is a positive integer greater than or equal to 2, and N is a positive integer greater than or equal to 1.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the M first resources or the N first resource sets include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier, where P and Q are integers greater than or equal to 1.
  • the communication device configures M first resources or N first resource sets for the terminal device, the M resources are any combination of the first resources on at least two uplink carriers, and the N first resource sets are at least two The set of any combination of the first resources on the uplink carriers ensures the freedom of the terminal device to select the first resource combination, and makes full use of the transmission capability of the terminal device.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the first indication information is also used to indicate the first precoding used for data transmission; the first precoding includes the precoding used for sending data on the first uplink carrier and the precoding used for sending data on the second uplink carrier .
  • the communication device can jointly schedule the precoding information on the at least two uplink carriers by receiving a single indication information, thereby enabling concurrent scheduling of uplink transmission on the at least two uplink carriers and improving transmission performance.
  • the first indication information is further used to indicate the number of transmission layers corresponding to the uplink transmission.
  • the number of transmission layers corresponding to the first precoding is the sum of the number of transmission layers on the first uplink carrier and the number of transmission layers on the second uplink carrier for uplink transmission.
  • the first indication information further includes a first power parameter and a second power parameter
  • the first power parameter corresponds to the uplink transmission on the first uplink carrier of the at least two uplink carriers.
  • the first transmission power and the second power parameter correspond to the second transmission power of the uplink transmission on the second uplink carrier of the at least two uplink carriers.
  • the at least two uplink carriers are at least one of the following: at least one auxiliary uplink SUL carrier and at least one non-SUL carrier; at least two uplink carriers used for uplink carrier aggregation ; at least two uplink carriers for dual linking; auxiliary uplink SUL carrier; continuous uplink carrier.
  • the present application provides a communication device, comprising: a processor and a storage medium; at least one processor and an interface circuit, where the interface circuit is configured to receive signals from other communication devices other than the communication device and transmit to the processor Or send the signal from the processor to other communication devices than the communication device, and the processor is used to implement the first aspect and any one of the possible implementations of the first aspect through logic circuits or executing code instructions.
  • the communication device may be a terminal device or a chip in the terminal device.
  • the present application provides a communication device, comprising: a processor and a storage medium; at least one processor and an interface circuit, where the interface circuit is configured to receive signals from other communication devices other than the communication device and transmit to the processor Or send the signal from the processor to other communication devices than the communication device, and the processor is used to implement the second aspect and any one of the possible implementations of the second aspect through logic circuits or executing code instructions.
  • the communication device may be a network device or a chip in the network device.
  • the present application provides a communication system, including a first communication device and a second communication device.
  • the first communication device is configured to execute the method described in any possible implementation manner of the first aspect and the first aspect;
  • the second communication device is configured to execute any one of the second aspect and the second aspect The methods described in possible implementations.
  • the present application provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the computer is made to execute any one of the first aspect and the first aspect The methods described in possible implementations.
  • the present application provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the computer is made to execute any one of the second aspect and the second aspect.
  • the present application provides a computer program product comprising instructions that, when the computer program product is run on a computer, cause the computer to perform as described in the first aspect and any possible implementation of the first aspect method.
  • the present application provides a computer program product comprising instructions that, when the computer program product is run on a computer, cause the computer to perform as described in the second aspect and any possible implementation of the second aspect Methods.
  • FIG. 1 is a schematic structural diagram of a communication system to which an embodiment of the present application is applied;
  • FIG. 2 is a schematic structural diagram of another communication system applied by an embodiment of the present application.
  • FIG. 3 is a schematic diagram of the hardware structure of a network device and a terminal device provided by this application;
  • FIG. 4 is a schematic flowchart of uplink transmission based on non-codebook
  • Fig. 5 is a schematic flowchart of uplink transmission based on a codebook
  • FIG. 6 is a schematic structural diagram of a combined cell of a TDD carrier and a SUL carrier
  • FIG. 7 is a schematic flowchart of an uplink transmission method provided by the present application.
  • FIG. 8 is a schematic flowchart of another uplink transmission method provided by the present application.
  • FIG. 10 is a schematic diagram of a possible structure of the communication device provided by the present application.
  • the uplink transmission method provided by the present application is applied to the communication system 100 shown in FIG. 1 .
  • FIG. 1 is a schematic structural diagram of a communication system to which an embodiment of the present application is applied.
  • the communication system 100 includes a core network device 110 , a network device 120 and at least one terminal device (eg, the terminal device 130 and the terminal device 140 in ).
  • the terminal device is connected with the network device in a wireless way, and the network device is connected with the core network device in a wireless or wired way.
  • the core network device and the network device can be independent and different physical devices, or the functions of the core network device and the logical functions of the network device can be integrated on the same physical device, or part of the core network can be integrated into one physical device.
  • Terminal equipment can be fixed or movable.
  • FIG. 1 is just a schematic diagram, and the communication system may also include other network devices, such as wireless relay devices and wireless backhaul devices, which are not shown in FIG. 1 .
  • FIG. 2 is a schematic structural diagram of another communication system to which the embodiments of the present application are applied.
  • the communication system 100 may also include a core network device, at least two network devices and at least one terminal device.
  • the network device 120 is configured to configure uplink transmission resources for the terminal device and communicate with the terminal device 130 .
  • the terminal device 130 is configured to perform uplink data transmission or uplink control transmission according to the uplink transmission resources configured by the network device.
  • the communication systems in this application include but are not limited to long term evolution (LTE) systems, 5th generation (5G) systems, new radio (NR) systems, wireless local area networks (wireless local area networks) , WLAN) system and future evolution system or a variety of communication fusion systems.
  • LTE long term evolution
  • 5G 5th generation
  • NR new radio
  • WLAN wireless local area networks
  • future evolution system or a variety of communication fusion systems.
  • the method provided in this application can be applied to the evolved global terrestrial radio access network (evolved-universal terrestrial radio access network, E-UTRAN) and the next generation-radio access network (next generation-radio access network, NG). -RAN) system.
  • E-UTRAN evolved-universal terrestrial radio access network
  • NG next generation-radio access network
  • -RAN next generation-radio access network
  • the network device in this application is an entity on the network side for sending a signal, or receiving a signal, or sending a signal and receiving a signal.
  • the network device may be a device deployed in a radio access network (RAN) to provide wireless communication functions for terminal devices, for example, a TRP, a base station (for example, an evolved NodeB (eNB, eNB or eNodeB), a downlink Generation base station node (next generation node base station, gNB), next generation eNB (next generation eNB, ng-eNB, etc.), various forms of control nodes (for example, network controller, wireless controller (for example, cloud radio Access network (cloud radio access network, CRAN) scenario wireless controller)), road side unit (road side unit, RSU) and so on.
  • RAN radio access network
  • the network device may be various forms of macro base station, micro base station (also referred to as small cell), relay station, access point (access point, AP), etc., and may also be the antenna panel of the base station.
  • the control node can be connected to multiple base stations, and configure resources for multiple terminal devices covered by the multiple base stations.
  • RATs radio access technologies
  • the names of devices with base station functions may vary. For example, it may be called eNB or eNodeB in LTE system, and may be called gNB in 5G system or NR system, and the specific name of the base station is not limited in this application.
  • the network device may also be a network device in a future evolved public land mobile network (public land mobile network, PLMN).
  • PLMN public land mobile network
  • the terminal device in this application is an entity on the user side that is used to receive a signal, or send a signal, or receive a signal and send a signal.
  • Terminal devices are used to provide one or more of voice services and data connectivity services to users.
  • Terminal equipment may also be referred to as user equipment (UE), terminal, access terminal, subscriber unit, subscriber station, mobile station, remote station, remote terminal, mobile device, user terminal, wireless communication device, user agent, or user device.
  • UE user equipment
  • the terminal device can be a vehicle to everything (V2X) device, for example, a smart car (smart car or intelligent car), a digital car (digital car), an unmanned car (unmanned car or driverless car or pilotless car or automobile), Self-driving car (self-driving car or autonomous car), pure electric vehicle (pure EV or Battery EV), hybrid electric vehicle (HEV), range extended EV (REEV), plug-in hybrid Power vehicle (plug-in HEV, PHEV), new energy vehicle (new energy vehicle), etc.
  • the terminal device may also be a device to device (device to device, D2D) device, such as an electricity meter, a water meter, and the like.
  • the terminal device may also be a mobile station (mobile station, MS), a subscriber unit (subscriber unit), an unmanned aerial vehicle, an internet of things (IoT) device, a station (station, ST) in a WLAN, a cellular phone (cellular phone) phone), smart phone (smart phone), cordless phone, wireless data card, tablet computer, session initiation protocol (SIP) phone, wireless local loop (WLL) station, personal digital processing ( personal digital assistant (PDA) device, laptop computer (laptop computer), machine type communication (MTC) terminal, handheld device with wireless communication capabilities, computing device or other processing device connected to a wireless modem, in-vehicle Devices, wearable devices (also known as wearable smart devices).
  • the terminal device may also be a terminal device in a next-generation communication system, for example, a terminal device in a 5G system or a terminal device in a future evolved PLMN, a terminal device in an NR system, and the like.
  • Network equipment and terminal equipment can be deployed on land, including indoor or outdoor, handheld or vehicle; can also be deployed on water; can also be deployed in the air on aircraft, balloons and satellites.
  • the embodiments of the present application do not limit the application scenarios of the network device and the terminal device.
  • Communication between network equipment and terminal equipment and between terminal equipment and terminal equipment can be carried out through licensed spectrum (licensed spectrum), or through unlicensed spectrum (unlicensed spectrum), or through licensed spectrum and unlicensed spectrum at the same time.
  • Communication between network equipment and terminal equipment and between terminal equipment and terminal equipment can be carried out through the spectrum below 6GHz, or through the frequency spectrum above 6GHz, and can also use the frequency spectrum below 6GHz and the frequency spectrum above 6GHz for communication at the same time.
  • the embodiments of the present application do not limit the spectrum resources used between the network device and the terminal device.
  • FIG. 3 it is a schematic diagram of the hardware structure of a network device and a terminal provided by the present application.
  • the terminal device 130 includes at least one processor 301 , at least one memory 302 , and at least one transceiver 303 .
  • the terminal device 130 may further include an output device 304 and an input device 305 .
  • the processor 301, the memory 302 and the transceiver 303 are connected by a bus.
  • the processor 301 may be a general-purpose central processing unit (Central Processing Unit, CPU), a microprocessor, an application-specific integrated circuit (Application-Specific Integrated Circuit, ASIC), or one or more processors for controlling the execution of the programs of the present application. integrated circuit.
  • the processor 301 may also include multiple CPUs, and the processor 301 may be a single-CPU processor or a multi-CPU processor.
  • a processor herein may refer to one or more devices, circuits, or processing cores for processing data (eg, computer program instructions).
  • Memory 302 may be 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 of information and instructions that can be stored It can also be an electrically erasable programmable read-only memory (Electrically Erasable Programmable Read-Only Memory, EEPROM), a compact disc read-only memory (CD-ROM) or other optical disk storage, optical disk storage (including compact discs, laser discs, optical discs, digital versatile discs, Blu-ray discs, etc.), magnetic disk storage media or other magnetic storage devices, or capable of carrying or storing desired program code in the form of instructions or data structures and capable of being executed by a computer Access any other medium without limitation.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • EEPROM Electrically erasable programmable Read-only memory
  • CD-ROM Compact disc read-only memory
  • CD-ROM compact disc read-only memory
  • optical disk storage including compact discs, laser discs, optical discs, digital versatile discs
  • the memory 302 may exist independently and be connected to the processor 301 through a bus.
  • the memory 302 may also be integrated with the processor 301 .
  • the memory 302 is used for storing the application program code for executing the solution of the present application, and the execution is controlled by the processor 301 .
  • the processor 301 is configured to execute the computer program codes stored in the memory 302, so as to implement the method for cooperative transmission described in this application.
  • the transceiver 303 can use any transceiver-like device for communicating with other devices or communication networks, such as Ethernet, Radio Access Network (RAN), Wireless Local Area Networks (WLAN), etc. .
  • the transceiver 303 includes a transmitter Tx and a receiver Rx.
  • the output device 304 communicates with the processor 301 and can display information in a variety of ways.
  • the output device 304 may be a Liquid Crystal Display (LCD), a Light Emitting Diode (LED) display device, a Cathode Ray Tube (CRT) display device, or a projector (projector) Wait.
  • the input device 305 is in communication with the processor 301 and can receive user input in a variety of ways.
  • the input device 305 may be a mouse, a keyboard, a touch screen device or a sensing device, or the like.
  • the network device 120 includes at least one processor 201 , at least one memory 202 , at least one transceiver 203 and at least one network interface 204 .
  • the processor 201, the memory 202, the transceiver 203 and the network interface 204 are connected by a bus.
  • the network interface 204 is used to connect with the core network device through a link (such as the S1 interface), or connect with the network interface of other network devices through a wired or wireless link (such as the X2 interface) (not shown in the figure), This application does not specifically limit this.
  • the first one is based on non-codebook uplink transmission
  • the NR system allows network devices (such as base stations) to configure an associated non-zero power (NZP) for channel measurement for the sounding reference signal (SRS) resource set used for the non-codebook uplink transmission scheme.
  • NZP non-zero power
  • SRS sounding reference signal
  • Channel state information reference signal channel state information reference signal, CSI-RS
  • a terminal device such as a UE obtains precoding for SRS signal transmission of the SRS resource set of the non-codebook uplink transmission scheme according to the associated NZP CSI-RS resource.
  • the base station configures a plurality of downlink reference signals for demodulation of downlink channels for the UE, where the downlink reference signals include CSI-RS or demodulation reference signals (demodulation reference signals, DMRS).
  • the downlink reference signals include CSI-RS or demodulation reference signals (demodulation reference signals, DMRS).
  • CSI-RS can be used for beam management and downlink CSI measurement.
  • the UE may obtain a candidate uplink precoding matrix according to the downlink reference signal.
  • the base station may configure one SRS resource set for uplink transmission for the UE, the SRS resource set includes 1-4 SRS resources, and each SRS resource includes one SRS port.
  • the base station may indicate one or more precoded SRS resources for determining a (physical uplink shared channel, PUSCH) by using a Sounding Reference Signal Indication (Sounding Reference Signal Indication, SRI).
  • SRI Sounding Reference Signal Indication
  • the number of SRS resources indicated by the SRI is the number of transmission layers of the PUSCH on the uplink carrier.
  • the size of the SRI field can be: bits, where N SRS is the number of SRS resources in the SRS resource set configured by the base station for the UE. Lmax is the maximum number of transmission layers of the PUSCH on the uplink carrier, and the Lmax can be configured by the upper layer parameter maxMIMO-Layers.
  • the value of the SRI field is 4, and the indices of the corresponding SRS resources are 0 and 2.
  • the SRI indicates 2 SRS resources
  • the number of transmission layers for PUSCH transmission on the uplink carrier is 2.
  • the UE can determine the precoding matrix of the data according to the SRS resource of the uplink transmission indicated by the SRI, so as to encode the data.
  • Fig. 4 is a schematic flow chart of uplink transmission based on non-codebook, as shown in Fig. 4, the specific implementation process of uplink transmission based on non-codebook is:
  • the UE obtains a candidate uplink precoding matrix according to the downlink reference signal.
  • the UE obtains the sounding reference signal SRS according to the candidate uplink precoding matrix and the associated NZP CSI-RS resources.
  • the UE sends the sounding reference signal SRS to the base station, and correspondingly, the base station receives the sounding reference signal SRS sent by the UE.
  • the base station performs uplink channel detection according to the sounding reference signal SRS, and determines the SRS resources for uplink transmission and the modulation and coding strategy (Modulation and Coding Scheme, MCS) level of uplink transmission.
  • SRS Sounding reference signal
  • MCS Modulation and Coding Scheme
  • the base station sends a sounding reference signal to the UE to indicate the SRI and the MCS level, where the SRI is used to indicate the SRS resource for the UE to perform uplink transmission.
  • the UE receives the MCS and the SRI, determines the precoding of the data and the number of transmission layers according to the SRS resource for uplink transmission indicated by the SRI, and modulates and encodes the data according to the MCS.
  • the UE sends data on the uplink carrier.
  • This data may be part of the upstream transmission.
  • the base station can configure multiple SRS (sounding reference resource, sounding reference signal) resources for the UE, and one SRS resource can be configured with 1, 2, and 4 SRS ports.
  • SRS sounding reference resource, sounding reference signal
  • the base station instructs the UE to determine the precoding of PUSCH transmission through the SRI, transmission precoding matrix information (TPMI) and layer indication (number of layers) in the downlink control information (Downlink Control Information, DCI) to assist the UE
  • TPMI transmission precoding matrix information
  • DCI Downlink Control Information
  • the antenna and analog beamforming used for PUSCH transmission are determined according to the SRS resource selected by the base station.
  • SRI, TPMI and layer number indication can also be configured by high layer parameters srs-ResourceIndicator and precodingAndNumberOfLayers.
  • the SRI in the downlink control information DCI is used to indicate to the UE the SRS resources used for PUSCH transmission on the uplink carrier, and the number of SRS ports corresponding to the SRS resources selected by the SRI is the same as the number of ports corresponding to the PUSCH transmission.
  • the number of SRS ports corresponding to the SRS resource is indicated by the field nrofSRS-Ports in the high-level parameter SRS-Config for configuring the SRS.
  • the size of the SRI field is N SRS represents the number of SRS resources configured by the base station for the uplink transmission mode corresponding to the PUSCH.
  • the base station configures only one SRS resource for one uplink transmission mode of the UE, the PUSCH under the uplink transmission scheme corresponds to the SRS resource, and there is no SRI field in the uplink scheduling information.
  • the TPMI in the downlink control information DCI is used to indicate the precoding applied to the ⁇ 0... ⁇ -1 ⁇ layers. For example, if only one SRS resource is configured, the TPMI is used to indicate the precoding applied to the v layer, and the v layer corresponds to one SRS resource indicated by the SRI. At the same time, the TPMI is also used to indicate the number of transmission layers for PUSCH transmission on the uplink carrier. Table 2 is the code bit representation of "precoding information and the number of transmission layers", as shown in Table 2.
  • Table 3 shows the precoding matrix W-1 for single-layer transmission of two antenna ports, as shown in Table 3:
  • Table 4 is the precoding matrix W-2 for single-layer transmission with four antenna ports, as shown in Table 4:
  • Table 5 is the precoding matrix W-3 for two-layer transmission of two antenna ports, as shown in Table 5:
  • FIG. 5 is a schematic flowchart of codebook-based uplink transmission. As shown in FIG. 5 , the specific implementation process of codebook-based uplink transmission is:
  • the UE acquires the sounding reference signal SRS according to the channel state information CSI of the uplink transmission scheme of the codebook.
  • the UE sends a sounding reference signal SRS to the base station, and correspondingly, the base station receives the sounding reference signal SRS sent by the UE.
  • the base station performs uplink channel detection according to the sounding reference signal SRS, and determines the SRS resources for uplink transmission, the number of transmission layers for uplink transmission, and a precoding matrix.
  • the base station sends a sounding reference signal indicating SRI, and a transmission precoding matrix indicating TPMI and MCS level to the UE.
  • the UE receives the MCS, TPMI and SRI, and applies the SRS resource for uplink transmission indicated by the SRI and the TPMI indication to the precoding of the v layer, determines the precoding matrix of the data, and modulates and encodes the data according to the MCS.
  • the UE sends data on the uplink carrier.
  • 5G NR introduces a Supplementary Uplink carrier (SUL).
  • SUL Supplementary Uplink carrier
  • the main working frequency of 5G NR is C-band 3.5GHz. Compared with the typical frequency bands of 1.8GHz and 700MHz of LTE, the working frequency of 5G NR is higher, the penetration loss and distance loss of uplink signal transmission are larger, and its uplink coverage ratio is higher. Downlink coverage is about 14dB smaller. This will reduce the success rate of cell edge users accessing the cell.
  • FIG. 6 is a schematic structural diagram of a combined cell of a TDD (Time Division Duplex) carrier and a supplementary uplink (supplementary uplink, SUL) carrier.
  • the prior art defines a new cell type for the combination of SUL carrier and TDD carrier through 5G NR, and the cell includes one downlink carrier and two uplink carriers.
  • the carrier aggregation technology is used to aggregate different component carriers in the same frequency band or in different frequency bands to obtain a larger bandwidth and multiply the peak rate of users.
  • each uplink carrier supports its own independent media access control (Media access control, MAC) and hybrid automatic repeat request (Hybrid Automatic Repeat reQuest, HARQ) entities, so the uplink transmission of the two carriers is controlled by different downlink control information.
  • the DCIs are scheduled separately, resulting in a large control signaling overhead.
  • the present application provides an uplink transmission method.
  • the method receives first indication information through a terminal device, where the first indication information is used to indicate at least two uplink carriers, which effectively reduces the overhead of control signaling.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information, thereby realizing the purpose of sending uplink transmissions on multiple uplink carriers by the terminal device. Therefore, the present application ensures that uplink transmission is sent on multiple uplink carriers while reducing control signaling overhead, so as to achieve the purpose of utilizing multiple uplink spectrum resources and improving uplink capacity.
  • the methods in the following embodiments can all be implemented in a device having the above-mentioned hardware structure (such as the terminal device 130 and the terminal device 140 in FIG. 1 ).
  • FIG. 7 is a schematic flowchart of an uplink transmission method provided by the present application. As shown in FIG. 7 , the uplink transmission method includes:
  • a terminal device receives first indication information, where the first indication information is used to indicate at least two uplink carriers.
  • the first indication information is used to indicate at least two uplink carriers, and it can be understood that the first indication information is used to indicate frequency domain resources on the at least two uplink carriers.
  • At least two uplink carriers are at least one of the following situations:
  • the first is at least one secondary uplink SUL carrier and at least one non-SUL carrier.
  • the non-SUL carrier may be referred to as a non-SUL carrier, or may also be referred to as a NUL (normal uplink) carrier.
  • one SUL carrier and one non-SUL carrier belong to the same serving cell, or, one SUL carrier and one non-SUL carrier are configured by the same system information block 1SIB1.
  • a SUL carrier and a non-SUL carrier correspond to the same network device, that is, co-located site deployment, or, a SUL carrier and a non-SUL carrier correspond to two different network devices , that is, deployed at different-located sites.
  • multiple SUL carriers and one non-SUL carrier belong to the same serving cell, or multiple SUL carriers and one non-SUL carrier are configured by the same system information block 1SIB1.
  • the network device configures one non-SUL carrier and two SUL carriers for the terminal device, and the terminal device supports 4 radio frequency chains, that is, 4 transmit antennas. Two of the radio frequency chains are placed on the non-SUL carrier, and one radio frequency chain is placed on each of the two SUL carriers.
  • the uplink transmission on the non-SUL carrier is sent using two antennas
  • the uplink transmission on the two SUL carriers is sent using one antenna.
  • the second type is at least two uplink carriers used for uplink carrier aggregation.
  • the at least two uplink carriers used for uplink carrier aggregation may be a primary cell (primary cell, PCell) carrier and at least one secondary cell (Secondary Cell, SCell) carrier.
  • PCell and SCell can be TDD time division duplex (Time Division Duplex), or FDD UL frequency division duplex uplink carrier (Frequency Division Duplex Uplink).
  • the third type at least two uplink carriers for dual linking.
  • the at least two uplink carriers used for dual linking can be a primary cell group MCG (Master cell group) and a secondary cell group SCG (Secondary cell group).
  • MCG Master cell group
  • SCG Secondary cell group
  • one MCG includes at least one uplink carrier
  • one SCG also includes at least one uplink carrier.
  • At least two uplink carriers are SUL carriers, and the number of SUL carriers is not less than 2.
  • multiple SUL carriers belong to the same serving cell, or multiple SUL carriers are configured by the same system information block 1SIB1.
  • the fifth, continuous uplink carrier is the fifth, continuous uplink carrier.
  • At least two uplink carriers are continuous uplink carriers.
  • the at least two uplink carriers include a first uplink carrier, a second uplink carrier, a third uplink carrier, a fourth uplink carrier, and a fifth uplink carrier.
  • the frequency bands from the first uplink carrier to the fifth uplink carrier are CC#1 to CC#5 in sequence, CC#1 and CC#2 are adjacent frequency carriers, CC#2 and CC#3 are adjacent frequency carriers, and CC#3 and CC#4 are adjacent frequency carriers, and CC#, 4 and CC#5 are adjacent frequency carriers.
  • the specific types of the at least two uplink carriers may be any one of the above examples, or any combination of the above examples, and the specific types of the above at least two uplink carriers are only exemplary, The at least two uplink carriers in this application may also be of other types and combinations, which are not limited in this application.
  • the indication content of the first indication information is different, and the details are as follows:
  • the at least two uplink carriers may include a first uplink carrier and a second uplink carrier.
  • the network device configures the terminal device with the first uplink carrier and the second uplink carrier for concurrent uplink transmission.
  • Simultaneous transmission also known as Concurrent Transmission
  • Concurrent Transmission means that the terminal device simultaneously sends uplink transmissions on the first uplink carrier and the second uplink carrier.
  • the time domain resources occupied by the uplink transmission on the first uplink carrier and the second uplink carrier at least partially overlap, or completely overlap.
  • the terminal device receives a single downlink control information DCI, and sends uplink transmission on at least two uplink carriers.
  • a maximum of p first resources can be configured on the first uplink carrier, and a maximum of q first resources can be configured on the second uplink carrier, where p and q are both positive integers greater than or equal to 1.
  • the first resource may be an SRS resource.
  • the first indication information may be SRI, then the SRI field contains bits.
  • the SRI field contains bits.
  • the first indication information is also used to indicate M first resources or N first resource sets on at least two uplink carriers, where M is a positive integer greater than or equal to 2, and N is a value greater than or equal to 1 positive integer.
  • the M first resources may be M SRS resources, and the N first resource sets may be a set of any combination of SRS resources on at least two uplink carriers.
  • the terminal device determines the first precoding used for data transmission on at least two uplink carriers by using the M first resources, that is, the M first resources determine at least two uplink carriers for the terminal device.
  • the SRI field contains bits.
  • the SRI field contains bits.
  • the M first resources may include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier, where P and Q are positive integers greater than or equal to 1.
  • the N first resource sets may include: P first resources on the first uplink carrier and Q first resources on the second uplink carrier. The P first resources are indicated by the first indication information from the p first resources, and the Q first resources are indicated by the first indication information from the q first resources.
  • the terminal device determines the first precoding for data transmission according to the M first resources or the N first resource sets.
  • the network device indicates M first resources shared by the terminal device on at least two uplink carriers, and the M first resources include P first resources on the first uplink carrier and Q first resources on the second uplink carrier.
  • first resource The terminal device determines the first precoding for data transmission according to the P first resources on the first uplink carrier and the Q first resources on the second uplink carrier. Wherein, the data belongs to a part of uplink transmission.
  • the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is the number of SRS resources indicated by the first indication information.
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • the SRI field contains bits.
  • the SRI field contains bits.
  • SRS resources with indices of 0, 1, 2, and 3 are configured on the first uplink carrier, and SRS resources with indices of 4, 5, 6, and 7 are configured on the second uplink carrier.
  • the terminal device determines the first precoding for data transmission according to these SRS resource index combinations.
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Table 6.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 6.1, it is assumed that the SRS resources with indexes 0, 1, 2, and 3 are configured on the first uplink carrier, and the SRS resources with indexes 4 and 5 are configured on the first uplink carrier. on the second uplink carrier. When the SRI indicates that the SRS resource index combination is 0/4, or 0/5, 1/4, 1/5, 2/4, 2/5, 3/4, and 3/5, the terminal device is based on these SRS resource index combinations. A first precoding for data transmission is determined.
  • N SRS 6 0 0 1 1 2 2 3 3 4 4 5 5 6 0,1 7 0,2 8 0,3 9 0,4 10 0,5 11 1,2 12 1,3 13 1,4 14 1,5 15 2,3 16 2,4 17 2,5 18 3,4 19 3,5 20 4.5 21 ⁇ 31 reserved
  • N SRS 6 0 0 1 1 2 2 3 3 4 4 5 5 6 0,1 7 0,2 8 0,3
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Table 7.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 7.1, it is assumed that the SRS resources with indexes 0, 1, and 2 are configured on the first uplink carrier, and the SRS resources with indexes 3 and 4 are configured on the second uplink carrier. on the upstream carrier. When the SRI indicates that the SRS resource index combination is 0/3, or 0/4, 1/3, 1/4, 2/3, 2/4, the terminal device determines the first SRS resource index combination for data transmission according to these SRS resource index combinations. precoding.
  • N SRS 5 0 0 1 1 2 2 3 3 4 4 5 0,1 6 0,2 7 0,3 8 0,4 9 1,2 10 1,3 11 1,4 12 2,3 13 2,4
  • N SRS 5 0 0 1 1 2 2 3 3 4 4 5 0,1 6 0,2 7 0,3 8 0,4 9 1,2 10 1,3 11 1,4 12 2,3 13 2,4 14-15 reserved
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Table 8.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 8.1, it is assumed that the SRS resources with indexes 0 and 1 are configured on the first uplink carrier, and the SRS resources with indexes 2 and 3 are configured on the second uplink carrier. Superior. When the SRI indicates that the SRS resource index combination is 0/2, or 0/3, 1/2, and 1/3, the terminal device determines the first precoding for data transmission according to these SRS resource index combinations.
  • N SRS 4 0 0 1 1 2 2 3 3 4 0,1
  • N SRS 4 0 0 1 1 2 2 3 3 4 0,1 5 0,2 6 0,3 7 1,2 8 1,3
  • the network device configures at least two uplink carriers (for example, including the first uplink carrier and the second uplink carrier) for the terminal device to send (concurrently) uplink transmission
  • the first uplink carrier is configured with x SRS resources, and x is a positive value greater than 1.
  • one SRS resource is configured on the second uplink carrier.
  • only one SRS resource is configured on one uplink carrier, the number of bits of the SRI field is not determined according to the uplink carrier configured with only one SRS resource, and the number of bits of the SRI field is Further, only one SRS resource is configured on y uplink carriers, and the number of bits in the SRI field is Specifically as described in Example 5-Example 7:
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Table 9.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 9.1, it is assumed that the SRS resources with indexes 0, 1, 2, and 3 are configured on the first uplink carrier, and the SRS resources with index 4 are configured on the second uplink carrier. on the upstream carrier. When the SRI indicates that the SRS resource index combination is 0/4 or 1/4, 2/4, and 3/4, the terminal device determines the first precoding for data transmission according to these SRS resource index combinations.
  • the SRI field in the uplink grant signaling may be 0 bits, and the carrier indicator field is used instead. Or the non-SUL/SUL indication field instructs the terminal device to send uplink transmissions on a single carrier. Therefore, there is no code bit indicating the single SRS resource index of the second uplink carrier in the SRI table.
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Tables 10.1 and 10.2 are non-codebook-based uplink transmission SRI indications. As shown in Tables 10.1 and 10.2, it is assumed that the SRS resources with indexes 0, 1, and 2 are configured on the first uplink carrier, and the SRS resources with index 3 are configured on the first uplink carrier. on the second upstream carrier. When the SRI indicates that the SRS resource index combination is 0/3 or 1/3, 2/3, the terminal device determines the first precoding used for data transmission according to these SRS resource index combinations.
  • N SRS 4 0 0 1 1 2 2 3 3 4 0,1 5 0,2 6 0,3 7 1,2 8 1,3 9 2,3
  • N SRS 4 0 0 1 1 2 2 3 3 4 0,1 5 0,2 6 0,3 7 1,2 8 1,3
  • the network device indicates two of the SRS resources through the first indication information, where M is 2, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 2.
  • Table 11.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 11.1, it is assumed that the SRS resource with index 0 and 1 is configured on the first uplink carrier, and the SRS resource with index 2 is configured on the second uplink carrier. When the SRI indicates that the SRS resource index combination is 0/2 or 1/2, the terminal device determines the first precoding used for data transmission according to these SRS resource index combinations.
  • N SRS 3 0 0 1 1 2 2 3 0,1 4 0,2 5 1,2 6-7 reserved
  • the network device indicates three SRS resources in the first indication information, where M is 3, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 3.
  • Table 12.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 12.1, it is assumed that the SRS resources with indexes 0, 1, 2, and 3 are configured on the first uplink carrier, and the SRS resources with indexes 4 and 5 are configured on the first uplink carrier. on the second uplink carrier. When the SRI indicates that the SRS resource index combination is 0, 1, 4, 0, 1, 5, 0, 2, 4, 0, 2, 5, 0, 3, 4, 0, 3, 5, 1, 2, 4, 1, 2, 5, 1, 3, 4, 1, 3, 5, 2, 3, 4, 2, 3, and 5, the terminal device determines the first precoding for data transmission according to these SRS resource index combinations.
  • N SRS 6 0 0 1 1 2 2 3 3 4 4 5 5 6 0,1 7 0,2 8 0,3 9 0,4 10 0,5 11 1,2 12 1,3 13 1,4 14 1,5 15 2,3 16 2,4 17 2,5 18 3,4 19 3,5 20 4.5 twenty one 0,1,2 twenty two 0,1,3 twenty three 0,1,4 twenty four 0,1,5 25 0,2,3 26 0,2,4 27 0,2,5 28 0,3,4 29 0,3,5 30 0,4,5 31 1,2,3
  • the SRI indicates that the SRS resource index combination is 0/4/5, 1/4/5, 2/4/5, 3/4/5, one antenna port on the first uplink carrier and two on the second uplink carrier are used.
  • the antenna port concurrently PUSCH.
  • the network device instructs the UE to use two carriers concurrently, the maximum number of layers is 3, and the non-codebook-based PUSCH transmission SRI indication table is a subset of Table 12.1.
  • the network device indicates three SRS resources in the first indication information, where M is 3, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 3.
  • Table 13.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 13.1, it is assumed that the SRS resources with indexes 0, 1, 2, and 3 are configured on the first uplink carrier, and the SRS resources with index 4 are configured on the second uplink carrier. on the upstream carrier. When the SRI indicates that the SRS resource index combination is 0, 1, 4, 0, 2, 4, 0, 3, 4, 1, 2, 4, 1, 3, 4 2, 3, 4, the terminal device according to these SRS resources The index combination determines the first precoding for data transmission.
  • the network device instructs the terminal device to use two uplink carriers concurrently, the maximum number of layers is 3, and the non-codebook-based uplink transmission SRI indication table is a subset of Table 13.1.
  • N SRS 5 0 0 1 1 2 2 3 3 4 4 5 0,1 6 0,2 7 0,3 8 0,4 9 1,2 10 1,3 11 1,4
  • the network device configures only one SRS resource for the second uplink carrier, and configures PUSCH transmission to be concurrent on the first uplink carrier and the second uplink carrier, when the number of SRS resources configured on the first uplink carrier is greater than 1, the uplink The SRI field in the grant signaling only indicates the SRS resources applied to PUSCH transmission on the first uplink carrier.
  • the network device indicates the four SRS resources in the first indication information, where M is 4 at this time, and the maximum number of transmission layers for uplink transmission on the first uplink carrier and the second uplink carrier is 4.
  • Table 14.1 shows the non-codebook-based uplink transmission SRI indication. As shown in Table 14.1, it is assumed that the SRS resources with indexes 0, 1, 2, and 3 are configured on the first uplink carrier, and the SRS resources with indexes 4 and 5 are configured on the first uplink carrier. On the second uplink carrier, the SRS resources with indexes 6 and 7 are configured on the third uplink carrier. In order to implement two SRS ports on the first uplink carrier, one SRS port on the second uplink carrier, and one SRS port on the third uplink carrier for concurrent PUSCH. Table 14.1 shows the SRI indication for concurrent uplink transmission based on non-codebook. Or the network device instructs the terminal device to use three uplink carriers concurrently, and the SRS port combination is 2+1+1, the maximum number of transmission layers is 4, and the non-codebook-based concurrent PUSCH transmission SRI indication table is a subset of Table 14.1.
  • N SRS 8 0 0,1,4,6 1 0,1,5,6 2 0,1,4,7 3 0,1,5,7 4 0,2,4,6 5 0,2,5,6 6 0,2,4,7
  • the first indication information is also used to indicate the first precoding used for data transmission.
  • the first precoding may include precoding for transmitting data on the first uplink carrier and precoding for transmitting data on the second uplink carrier, that is, the first precoding may be understood as a set of precoding , which includes precoding on each of the at least two uplink carriers.
  • the first precoding can also be understood as a joint precoding generated based on the precoding used for transmitting data on each uplink carrier.
  • the first indication information is TPMI
  • the at least two uplink carriers include one SUL carrier and one NUL carrier
  • the TPMI indicates that the terminal device applies precoding A of Layer 2 on the one NUL carrier, and on the one SUL carrier It is applied to the precoding B of layer 1, and the uplink transmission is concurrent.
  • the 2 layers correspond to the 2 SRS ports indicated by the SRI.
  • the 1 layer corresponds to the 2 SRS ports indicated by the SRI. Therefore, the first precoding includes precoding A and precoding B, and the first precoding is as follows:
  • the first precoding corresponds to at least one precoding matrix
  • the precoding used for transmitting data on each uplink carrier corresponds to one precoding matrix.
  • at least two uplink carriers correspond to one precoding matrix; or, when the first precoding corresponds to multiple precoding matrices, at this time at least two uplink carriers Corresponds to multiple precoding matrices.
  • the first indication information is further used to indicate the number of transmission layers corresponding to the uplink transmission.
  • the number of transmission layers corresponding to the first precoding is the sum of the number of transmission layers on the first uplink carrier for the uplink transmission and the number of transmission layers on the second uplink carrier.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information.
  • the uplink transmission may include transmission of uplink DMRS and/or uplink data.
  • the receiver needs to perform independent channel estimation for different uplink transmissions, so as to demodulate and decode the uplink data.
  • the uplink data includes valid information and redundant information, and the uplink data is carried on the PUSCH.
  • the number of the uplink transmission is at least one, and the at least one uplink transmission may include the first uplink transmission and/or the second uplink transmission.
  • the uplink transmission may be an uplink transmission.
  • one uplink transmission is sent on at least two uplink carriers.
  • the uplink transmission may also be multiple uplink transmissions. In this case, different multiple uplink transmissions are sent on at least two uplink carriers.
  • S702 may be specifically implemented as: the terminal device sends the first uplink transmission on at least two uplink carriers according to the first indication information.
  • one uplink transmission is sent on at least two uplink carriers.
  • the uplink transmission on the first uplink carrier and the second uplink carrier are taken as an example.
  • the upstream transmission on the TB belongs to a Transport Block (TB).
  • the terminal device maps some bits in the one TB to the first uplink carrier, and maps the remaining bits in the one TB to the second uplink carrier.
  • some resource blocks (Recource Blocks, RBs) used for carrying uplink transmission are on the first uplink carrier, and the rest of the RBs are on the second uplink carrier.
  • the part of the TB mapped on the first uplink carrier includes at least one Code Block Group (CBG), and the remaining part of the TB mapped on the second uplink carrier also includes at least one Code Block Group CBG, the CBG related to the first uplink carrier is different from the CBG related to the second uplink carrier.
  • CBG Code Block Group
  • the first uplink transmission may be an uplink shared channel PUSCH, or an uplink control channel (physical uplink control channel, PUCCH), or a sounding reference signal SRS, or an uplink random access channel (physical random access channel, PRACH).
  • PUSCH uplink shared channel
  • PUCCH physical uplink control channel
  • SRS sounding reference signal
  • PRACH uplink random access channel
  • Another implementation manner is: according to the first indication information, the terminal device sends the first uplink transmission on the first uplink carrier of the at least two uplink carriers, and sends the second uplink transmission on the second uplink carrier of the at least two uplink carriers transmission.
  • multiple uplink transmissions are sent on at least two uplink carriers.
  • the first uplink transmission of the first uplink carrier and the second uplink carrier The second uplink transmission on the uplink carrier is (belongs to) two mutually independent transport blocks TB.
  • the terminal device maps the first uplink transmission (the first TB) on the first uplink carrier, and maps the second uplink transmission (the second TB) on the second uplink carrier.
  • the resource block RB for carrying the first uplink transmission is on the first uplink carrier
  • the RB for the second uplink transmission is on the second uplink carrier.
  • the terminal device sends the PUSCH on the first uplink carrier and simultaneously sends the PUCCH on the second uplink carrier; or, the terminal device sends the PUSCH on the first uplink carrier and simultaneously sends the PRACH on the second uplink carrier; or, The terminal device sends the PUSCH on the first uplink carrier and simultaneously sends the SRS on the second uplink carrier; or, the terminal device sends the PUCCH on the first uplink carrier and simultaneously sends the SRS on the second uplink carrier; or, the terminal device sends the SRS on the first uplink carrier.
  • the PUCCH is sent on one uplink carrier and the PRACH is sent on the second uplink carrier at the same time; or, the terminal device sends the PRACH on the first uplink carrier and simultaneously sends the SRS on the second uplink carrier.
  • the network device allocates two radio frequency chains, that is, two SRS ports, for the first uplink carrier, and one for each of the second uplink carrier and the third uplink carrier.
  • RF chain i.e. an SRS port.
  • Terminal devices can utilize four SRS ports concurrently on three uplink carriers.
  • FIG. 8 is a schematic flowchart of another uplink transmission method provided by this application. As shown in FIG. 8 , based on non-codebook uplink transmission, the uplink transmission method includes:
  • the network device determines at least two uplink carriers.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the network device sends first indication information to the terminal device, where the first indication information is further used to indicate M first resources or N first resource sets on at least two uplink carriers.
  • the M first resources may be M SRS resources, and the N first resource sets may be a set of any combination of SRS resources on at least two uplink carriers.
  • the first indication information may also include a first power parameter and a second power parameter, the first power parameter corresponds to the first transmission power of the uplink transmission on the first uplink carrier in the at least two uplink carriers, and the second power parameter corresponds to The second transmission power of the uplink transmission on the second uplink carrier in the at least two uplink carriers, that is, the first indication information may indicate the at least two uplink carriers and the transmission power corresponding to each uplink carrier.
  • the transmission power corresponding to each uplink carrier is independent of each other, which avoids the problem of determining the transmission power of uplink transmission due to different maximum power reductions caused by different allocation of frequency domain resources on different carriers.
  • the network device may pre-configure/define the correspondence between the first power parameter and the first transmission power on the first uplink carrier, and the relationship between the second power parameter and the second transmission power on the second uplink carrier Correspondence. At this time, the network device independently indicates the transmission power of the first uplink carrier and the second uplink carrier through the "transmission power control command for scheduled uplink transmission" (TPC command for scheduled PUSCH) field in the uplink grant signaling.
  • TPC command for scheduled PUSCH transmission power control command for scheduled uplink transmission
  • the first transmission power on the first uplink carrier and the second transmission power on the second uplink carrier are configured by SRI parameters, for example, one SRI code bit corresponds to two sets of open-loop power control
  • the parameters (P0, alpha) correspond to the two uplink carriers respectively.
  • the terminal device receives the SRI parameter sent by the network device, and can determine the first transmission power on the first uplink carrier and the second transmission power on the second uplink carrier according to the SRI parameter.
  • the powers corresponding to uplink transmissions transmitted on at least two uplink carriers are different, which avoids the difference in Maximum Power Reduction (MPR) caused by different allocations of frequency domain resources on the two uplink carriers, which may affect the performance of uplink transmissions.
  • MPR Maximum Power Reduction
  • the terminal device receives the first indication information.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information.
  • S803 to S804 are similar to the foregoing S701 to S702, and reference may be made to the relevant descriptions in the foregoing S701 to S702.
  • Fig. 9 is the schematic flow sheet of another kind of upstream transmission method that this application provides, as shown in Fig. 9, based on the upstream transmission of codebook, this upstream transmission method comprises:
  • the network device determines at least two uplink carriers.
  • the at least two uplink carriers include a first uplink carrier and a second uplink carrier.
  • the network device sends first indication information to the terminal device, where the first indication information is further used to indicate the first precoding used for data transmission.
  • the first precoding may include precoding for transmitting data on the first uplink carrier and precoding for transmitting data on the second uplink carrier.
  • the first indication information may also include a first power parameter and a second power parameter, the first power parameter corresponds to the first transmission power of the uplink transmission on the first uplink carrier in the at least two uplink carriers, and the second power parameter corresponds to The second transmission power of the uplink transmission on the second uplink carrier in the at least two uplink carriers, that is, the first indication information may indicate the at least two uplink carriers and the transmission power corresponding to each uplink carrier.
  • the transmission power corresponding to each uplink carrier is independent of each other, which avoids the problem of determining the transmission power of uplink transmission due to different maximum power reductions caused by different allocation of frequency domain resources on different carriers.
  • the terminal device receives the first indication information.
  • the terminal device sends uplink transmissions on at least two uplink carriers according to the first indication information.
  • S903 to S904 are similar to the above-mentioned S701 to S702, and reference may be made to the relevant descriptions in the above-mentioned S701 to S702.
  • each network element for example, a network device and a terminal device, includes at least one of a hardware structure and a software module corresponding to executing each function.
  • a hardware structure for example, a network device and a terminal device
  • a software module corresponding to executing each function.
  • the present application can be implemented in hardware or a combination of hardware and computer software with the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein. Whether a function is performed by hardware or computer software driving hardware depends on the specific application and design constraints of the technical solution. Skilled artisans may implement the described functionality using different methods for each particular application, but such implementations should not be considered beyond the scope of this application.
  • the present application may divide the network equipment and the terminal equipment into functional units according to the above method examples.
  • each functional unit may be divided corresponding to each function, or two or more functions may be integrated into one processing unit.
  • the above-mentioned integrated units may be implemented in the form of hardware, or may be implemented in the form of software functional units. It should be noted that the division of units in this application is schematic, and is only a logical function division, and other division methods may be used in actual implementation.
  • FIG. 10 shows a possible schematic structural diagram of the communication device (referred to as the communication device 100 ) involved in the above embodiment, and the communication device 100 includes a processing unit 1001 and a communication unit 1002 , and may also include a storage unit 1003 .
  • the schematic structural diagram shown in FIG. 10 may be used to illustrate the structures of the network device and the terminal device involved in the foregoing embodiment.
  • the processing unit 1001 is used to control and manage the actions of the terminal equipment, for example, to control the terminal equipment to perform S701 and S701 in FIG. 7 .
  • the processing unit 1001 may communicate with other network entities through the communication unit 1002, for example, with the network devices shown in FIGS. 1-3.
  • the storage unit 1003 is used to store program codes and data of the terminal device.
  • the communication apparatus 100 may be a terminal equipment, or may be a chip in the terminal equipment.
  • the processing unit 1001 is used to control and manage the actions of the network device, for example, to control the network device to perform S801 and S801 in FIG. 8 .
  • the processing unit 1001 may communicate with other network entities through the communication unit 1002, for example, communicate with the terminal devices shown in FIGS. 1-3.
  • the storage unit 1003 is used for storing program codes and data of the network device.
  • the communication apparatus 100 may be a network device or a chip in the network device.
  • the processing unit 1001 may be a processor or a controller, and the communication unit 1002 may be a communication interface, a transceiver, a transceiver, a transceiver circuit, a transceiver, and the like.
  • the communication interface is a general term, which may include one or more interfaces.
  • the storage unit 1003 may be a memory.
  • the processing unit 1001 may be a processor or a controller, and the communication unit 1002 may be an input interface and/or an output interface, pins or circuits.
  • the storage unit 1003 may be a storage unit (for example, a register, a cache, etc.) in the chip, or a storage unit (for example, a read-only memory, ROM for short) located outside the chip in a terminal device or a network device. ), random access memory (random access memory, RAM for short), etc.).
  • a storage unit for example, a register, a cache, etc.
  • ROM read-only memory
  • RAM random access memory
  • the communication unit may also be referred to as a transceiver unit.
  • the antenna and control circuit with the transceiver function in the communication device 100 may be regarded as the communication unit 1002 of the communication device 100
  • the processor with the processing function may be regarded as the processing unit 1001 of the communication device 100 .
  • the device in the communication unit 1002 for implementing the receiving function may be regarded as a receiving unit, the receiving unit is used to perform the receiving steps in this application, and the receiving unit may be a receiver, a receiver, a receiving circuit, or the like.
  • each step in the method provided in this embodiment may be completed by an integrated logic circuit of hardware in a processor or an instruction in the form of software.
  • the steps in combination with the method disclosed in the present application can be directly embodied as executed by a hardware processor, or executed by a combination of hardware and software modules in the processor.
  • the processor in this application may include, but is not limited to, at least one of the following: a central processing unit (CPU), a microprocessor, a digital signal processor (DSP), a microcontroller (MCU), or Artificial intelligence processors and other types of computing devices that run software, each computing device may include one or more cores for executing software instructions to perform operations or processing.
  • the processor can be a separate semiconductor chip, or can be integrated with other circuits into a semiconductor chip. For example, it can form a SoC (on-chip) with other circuits (such as codec circuits, hardware acceleration circuits, or various bus and interface circuits).
  • the processor may further include necessary hardware accelerators, such as field programmable gate arrays (FPGA), PLDs (Programmable Logic Devices) , or a logic circuit that implements dedicated logic operations.
  • FPGA field programmable gate arrays
  • PLD Programmable Logic Devices
  • the memory in this application may include at least one of the following types: 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 of dynamic storage devices that can store information and instructions, and can also be an electrically erasable programmable read-only memory (EEPROM).
  • ROM read-only memory
  • RAM random access memory
  • EEPROM electrically erasable programmable read-only memory
  • the memory may also be compact disc read-only memory (CD-ROM) or other optical disc storage, optical disc storage (including compact disc, laser disc, optical disc, digital versatile disc, Blu-ray disc, etc.) , a magnetic disk storage medium or other magnetic storage device, or any other medium that can be used to carry or store desired program code in the form of instructions or data structures and that can be accessed by a computer, without limitation.
  • the present application further provides a computer-readable storage medium, where instructions are stored in the computer-readable storage medium, and when the instructions are executed on a computer, the computer is made to execute the method in any of the foregoing embodiments.
  • the present application also provides a computer program product that, when the computer program product is run on a computer, causes the computer to execute the method in any of the foregoing embodiments.
  • the present application also provides a communication device, which can exist in the form of a chip, the structure of the device includes a processor and an interface circuit, the processor is used for communicating with other devices through a receiving circuit, so that the device executes any of the foregoing methods in the examples.
  • the present application also provides a communication system, including: the above-mentioned network device and terminal device.
  • the present application also provides a chip, the chip includes a processor and an interface circuit, the interface circuit is coupled with the processor, the processor is used for running a computer program or instructions to implement the above method, and the interface circuit is used for connecting with the chip. communicate with other modules.

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Abstract

本申请提供了一种上行传输方法及通信装置，该方法通过终端设备接收第一指示信息，该第一指示信息用于指示至少两个上行载波，有效降低控制信令的开销。同时，终端设备根据第一指示信息，在至少两个上行载波上发送上行传输，实现了终端设备在多个上行载波发送上行传输的目的。因此，本申请确保降低控制信令开销的同时，在多个上行载波上发送上行传输，达到利用多个上行频谱资源，提高上行容量的目的。

Description

上行传输方法及通信装置 技术领域
本申请涉及通信技术领域，尤其涉及一种上行传输方法及通信装置。
背景技术
国际电信联盟(international telecommunication union，ITU)为5G以及未来的通信系统定义了三大类应用场景：增强型移动宽带(enhanced mobile broadband，eMBB)、高可靠低时延通信(Ultra-reliable and low latency communications，URLLC)以及海量机器类通信(massive machine type communications，mMTC)。
其中，应用场景为eMBB的业务可以包括：超高清视频、增强现实(augmented reality，AR)、虚拟现实(virtual reality，VR)等，这些业务的主要特点是传输数据量大、传输速率很高。应用场景为URLLC的业务可以包括：工业制造或生产流程中的无线控制、无人驾驶汽车和无人驾驶飞机的运动控制以及远程修理、远程手术等触觉交互类应用，这些业务的主要特点是要求超高可靠性、低延时，传输数据量较少以及具有突发性。应用场景为mMTC的业务可以包括：智能电网配电自动化、智慧城市等，这些业务的主要特点是mMTC终端数量巨大、传输数据量较小、数据对传输时延不敏感，这些mMTC终端需要满足低成本和非常长的待机时间的需求。
随着用户对体验速率的更高要求，对极致峰值速率的追求，以及海量和低时延高可靠通信的需求，如何提升5G通信网络中的频谱宽带的利用率成为一个亟待解决的问题。
发明内容
本申请提供一种上行传输方法及通信装置，以实现提升5G通信网络中的频谱带宽的利用率。
为达到上述目的，本申请采用如下技术方案。
第一方面，本申请提供一种上行传输方法，该方法的执行主体可以是终端设备，也可以是位于终端设备中的芯片，下面以执行主体是终端设备为例进行描述。该方法包括：终端设备接收第一指示信息，第一指示信息用于指示至少两个上行载波。终端设备根据第一指示信息，在至少两个上行载波上发送上行传输。
如此，本申请提供了一种上行传输方法，该方法通过终端设备接收第一指示信息，该第一指示信息用于指示至少两个上行载波，有效降低控制信令的开销。同时，终端设备根据第一指示信息，在至少两个上行载波上发送上行传输，实现了终端设备在多个上行载波发送上行传输的目的。因此，本申请确保降低控制信令开销的同时，在多个上行载波上发送上行传输，达到利用多个上行频谱资源，提高上行容量的目的。
结合第一方面，在一种可能的实现方式中，第一指示信息还用于指示至少两个上行载波上的M个第一资源或N个第一资源集合，M为大于等于2的正整数，N为大于等于1的正整数。终端设备根据M个第一资源或N个第一资源集合确定用于数据发送的第一预编码。
结合第一方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。M个第一资源或N个第一资源集合包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源，P和Q为大于等于1的正整数。
如此，网络设备为终端设备配置M个第一资源或N个第一资源集合，该M个第一资源为至少两个上行载波上的第一资源的任意组合，该N个第一资源集合为至少两个上行载波上的第一资源的任意组合的集合，保证终端设备选择第一资源组合的自由度，充分利用终端设备的发射能力。
结合第一方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。第一指示信息还用于指示用于数据发送的第一预编码；第一预编码包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码。
结合第一方面，在一种可能的实现方式中，第一指示信息还用于指示上行传输对应的传输层数。该第一预编码对应的传输层数为上行传输在所述第一上行载波上的传输层数和第二上行载波上的传输层数之和。
如此，终端设备可以通过接收单个指示信息获取至少两个上行载波上的预编码信息，从而能够实现在至少两个上行载波上同时进行上行传输，降低终端设备信令检测的开销，节省功耗。
结合第一方面，在一种可能的实现方式中，上行传输包括第一上行传输和/或第二上行传输。终端设备根据第一指示信息，在至少两个上行载波上发送上行传输，具体为：终端设备根据第一指示信息，在至少两个上行载波上发送第一上行传输；或者，终端设备根据第一指示信息，在至少两个上行载波中的第一上行载波发送第一上行传输，且在至少两个上行载波中的第二上行载波发送第二上行传输。
结合第一方面，在一种可能的实现方式中，第一指示信息还包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
如此，终端设备可以采用不相同的功率控制参数在至少两个上行载波上进行上行传输，避免了由于两个上行载波上频域资源分配不同导致最大功率减小量MPR不同，影响上行传输的传输功率的确定问题。
结合第一方面，在一种可能的实现方式中，至少两个上行载波，为以下至少一种情况：至少一个辅助上行SUL载波和至少一个非SUL载波；用于上行载波聚合的至少两个上行载波；用于双链接的至少两个上行载波；SUL载波；连续的上行载波。
第二方面，本申请提供一种上行传输方法，该方法的执行主体可以是网络设备，也可以是位于网络设备中的芯片，下面以执行主体是网络设备为例进行描述。该方法包括：网络设备确定至少两个上行载波。网络设备向终端设备发送第一指示信息，第一指示信息用于指示终端设备在至少两个上行载波上发送上行传输。
如此，本申请提供了一种上行传输的方法，网络设备通过发送第一指示信息，指示终端设备在至少两个上行载波上发送上行传输，有效降低控制信令的开销。
结合第二方面，在一种可能的实现方式中，第一指示信息还用于指示终端设备根据 至少两个上行载波上的M个第一资源或N个第一资源集合确定用于数据发送的第一预编码，M为大于等于2的正整数，N为大于等于1的正整数。
结合第二方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。M个第一资源或N个第一资源集合包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
如此，网络设备为终端设备配置M个第一资源或N个第一资源集合，该M个资源为至少两个上行载波上的第一资源的任意组合，该N个第一资源集合为至少两个上行载波上的第一资源的任意组合的集合，保证终端设备选择第一资源组合的自由度，充分利用终端设备的发射能力。
结合第二方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。第一指示信息还用于指示用于数据发送的第一预编码；第一预编码包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码。
如此，网络设备可以通过接收单个指示信息对至少两个上行载波上的预编码信息联合调度，从而能够实现至少两个上行载波上的上行传输并发调度，提高传输性能。
结合第二方面，在一种可能的实现方式中，第一指示信息还用于指示上行传输对应的传输层数。该第一预编码对应的传输层数为上行传输在所述第一上行载波上的传输层数和第二上行载波上的传输层数之和。
结合第二方面，在一种可能的实现方式中，第一指示信息还包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
结合第二方面，在一种可能的实现方式中，至少两个上行载波为以下至少一种情况：至少一个辅助上行SUL载波和至少一个非SUL载波；用于上行载波聚合的至少两个上行载波；用于双链接的至少两个上行载波；辅助上行SUL载波；连续的上行载波。
第三方面，本申请提供一种通信装置，该通信装置可以为上述第一方面中的终端设备，或者为配置在终端设备中的电子设备，或者为包括终端设备的较大设备。该通信装置包括：接收单元，用于接收第一指示信息，第一指示信息用于指示至少两个上行载波。发送单元，用于根据第一指示信息，在至少两个上行载波上发送上行传输。
如此，本申请提供了一种通信装置，通信装置通过接收第一指示信息，并根据第一指示信息在至少两个上行载波上发送上行传输，实现了通信装置在多个上行载波发送上行传输的目的，有效降低控制信令的开销。
结合第三方面，在一种可能的实现方式中，第一指示信息还用于指示至少两个上行载波上的M个第一资源或N个第一资源集合，M为大于等于2的正整数，N为大于等于1的正整数。终端设备还包括：处理单元，用于根据M个第一资源或N个第一资源集合确定用于数据发送的第一预编码。
结合第三方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。M个第一资源或N个第一资源集合包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
如此，网络设备为通信设备配置M个第一资源或N个第一资源集合，该M个资源为至少两个上行载波上的第一资源的任意组合，该N个第一资源集合为至少两个上行载波上的第一资源的任意组合的集合，保证通信设备选择第一资源组合的自由度，充分利用终端设备的发射能力。
结合第三方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。第一指示信息还用于指示用于数据发送的第一预编码；第一预编码包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码。
结合第三方面，在一种可能的实现方式中，第一指示信息还用于指示上行传输对应的传输层数。该第一预编码对应的传输层数为上行传输在所述第一上行载波上的传输层数和第二上行载波上的传输层数之和。
如此，通信设备可以通过接收单个指示信息获取至少两个上行载波上的预编码信息，从而能够实现在至少两个上行载波上同时进行上行传输，降低通信设备信令检测的开销，节省功耗。
结合第三方面，在一种可能的实现方式中，上行传输包括第一上行传输和/或第二上行传输；发送单元，还用于根据第一指示信息，在至少两个上行载波上发送第一上行传输；或者，发送单元，还用于根据第一指示信息，在至少两个上行载波中的第一上行载波发送第一上行传输，且在至少两个上行载波中的第二上行载波发送第二上行传输。
结合第三方面，在一种可能的实现方式中，第一指示信息还包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
如此，通信设备可以采用不相同的功率控制参数在至少两个上行载波上进行上行传输，避免了由于两个上行载波上频域资源分配不同导致MPR不同，影响上行传输的传输功率的确定问题。
结合第三方面，在一种可能的实现方式中，至少两个上行载波，为以下至少一种情况：至少一个辅助上行SUL载波和至少一个非SUL载波；用于上行载波聚合的至少两个上行载波；用于双链接的至少两个上行载波；SUL载波；连续的上行载波。
第四方面，本申请提供一种通信装置，该通信装置可以为上述第二方面中的网络设备，或者为配置在网络设备中的电子设备，或者为包括网络设备的较大设备。该通信装置包括：处理单元，用于确定至少两个上行载波。发送单元，用于向终端设备发送第一指示信息，第一指示信息用于指示终端设备在至少两个上行载波上发送上行传输。
如此，本申请提供的一种通信设备通过发送第一指示信息，指示终端设备在至少两个上行载波上发送上行传输，有效降低控制信令的开销。
结合第四方面，在一种可能的实现方式中，第一指示信息还用于指示终端设备根据至少两个上行载波上的M个第一资源或N个第一资源集合确定用于数据发送的第一预编码，M为大于等于2的正整数，N为大于等于1的正整数。
结合第四方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和 第二上行载波。M个第一资源或N个第一资源集合包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
如此，通信设备为终端设备配置M个第一资源或N个第一资源集合，该M个资源为至少两个上行载波上的第一资源的任意组合，该N个第一资源集合为至少两个上行载波上的第一资源的任意组合的集合，保证终端设备选择第一资源组合的自由度，充分利用终端设备的发射能力。
结合第四方面，在一种可能的实现方式中，至少两个上行载波包括第一上行载波和第二上行载波。第一指示信息还用于指示用于数据发送的第一预编码；第一预编码包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码。
如此，通信设备可以通过接收单个指示信息对至少两个上行载波上的预编码信息联合调度，从而能够实现至少两个上行载波上的上行传输并发调度，提高传输性能。
结合第四方面，在一种可能的实现方式中，第一指示信息还用于指示上行传输对应的传输层数。该第一预编码对应的传输层数为上行传输在所述第一上行载波上的传输层数和第二上行载波上的传输层数之和。
结合第四方面，在一种可能的实现方式中，第一指示信息还包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
结合第四方面，在一种可能的实现方式中，至少两个上行载波为以下至少一种情况：至少一个辅助上行SUL载波和至少一个非SUL载波；用于上行载波聚合的至少两个上行载波；用于双链接的至少两个上行载波；辅助上行SUL载波；连续的上行载波。
第五方面，本申请提供了一种通信装置，包括：处理器和存储介质；至少一个处理器和接口电路，接口电路用于接收来自通信装置之外的其它通信装置的信号并传输至处理器或将来自处理器的信号发送给通信装置之外的其它通信装置，处理器通过逻辑电路或执行代码指令用于实现如第一方面和第一方面的任一种可能的实现方式中所描述的方法。该通信装置可以是终端设备，也可以是终端设备中的芯片。
第六方面，本申请提供了一种通信装置，包括：处理器和存储介质；至少一个处理器和接口电路，接口电路用于接收来自通信装置之外的其它通信装置的信号并传输至处理器或将来自处理器的信号发送给通信装置之外的其它通信装置，处理器通过逻辑电路或执行代码指令用于实现如第二方面和第二方面的任一种可能的实现方式中所描述的方法。该通信装置可以是网络设备，也可以是网络设备中的芯片。
第七方面，本申请提供一种通信系统，包括第一通信装置和第二通信装置。其中，第一通信装置用于执行如第一方面和第一方面的任一种可能的实现方式中所描述的方法；第二通信装置用于执行如第二方面和第二方面的任一种可能的实现方式中所描述的方法。
第八方面，本申请提供了一种计算机可读存储介质，计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行如第一方面和第一方面的任一种可能的实现方式中所描述的方法。
第九方面，本申请提供了一种计算机可读存储介质，计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行如第二方面和第二方面的任一种可能的实现方式中所描述的方法。
第十方面，本申请提供一种包含指令的计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行如第一方面和第一方面的任一种可能的实现方式中所描述的方法。
第十一方面，本申请提供一种包含指令的计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行如第二方面和第二方面的任一种可能的实现方式中所描述的方法。
应当理解的是，本申请中对技术特征、技术方案、有益效果或类似语言的描述并不是暗示在任意的单个实施例中可以实现所有的特点和优点。相反，可以理解的是对于特征或有益效果的描述意味着在至少一个实施例中包括特定的技术特征、技术方案或有益效果。因此，本说明书中对于技术特征、技术方案或有益效果的描述并不一定是指相同的实施例。进而，还可以任何适当的方式组合本实施例中所描述的技术特征、技术方案和有益效果。本领域技术人员将会理解，无需特定实施例的一个或多个特定的技术特征、技术方案或有益效果即可实现实施例。在其他实施例中，还可在没有体现所有实施例的特定实施例中识别出额外的技术特征和有益效果。
附图说明
图1为本申请的实施例应用的一种通信系统的架构示意图；
图2为本申请的实施例应用的另一种通信系统的架构示意图；
图3为本申请提供的网络设备和终端设备的硬件结构示意图；
图4为基于非码本的上行传输的流程示意图；
图5为基于码本的上行传输的流程示意图；
图6为TDD载波和SUL载波组合小区的结构示意图；
图7为本申请提供的一种上行传输方法的流程示意图；
图8为本申请提供的另一种上行传输方法的流程示意图；
图9为本申请提供的另一种上行传输方法的流程示意图；
图10为本申请提供的通信装置的一种可能的结构示意图。
具体实施方式
在本申请的描述中，除非另有说明，“/”表示“或”的意思，例如，A/B可以表示A或B。本文中的“和/或”仅仅是一种描述关联对象的关联关系，表示可以存在三种关系，例如，A和/或B，可以表示：单独存在A，同时存在A和B，单独存在B这三种情况。此外，“至少一个”是指一个或多个，“多个”是指两个或两个以上。“第一”、“第二”等字样并不对数量和执行次序进行限定，并且“第一”、“第二”等字样也并不限定一定不同。
以下，“示例性的”或者“例如”等词用于表示作例子、例证或说明。本申请中被描述为“示例性的”或者“例如”的任何实施例或设计方案不应被解释为比其它实施例或设计方案更优选或更具优势。确切而言，使用“示例性的”或者“例如”等词旨在以具体方式呈现相关概念。
本申请提供的上行传输方法，应用于如图1所示的通信系统100中。
图1是本申请的实施例应用的一种通信系统的架构示意图。如图1所示，该通信系统100包括核心网设备110、网络设备120和至少一个终端设备(如中的终端设备130和终端设备140)。终端设备通过无线的方式与网络设备相连，网络设备通过无线或有线方式与核心网设备连接。核心网设备与网络设备可以是独立的不同的物理设备，也可以是将核心网设备的功能与网络设备的逻辑功能集成在同一个物理设备上，还可以是一个物理设备上集成了部分核心网设备的功能和部分的网络设备的功能。终端设备可以是固定位置的，也可以是可移动的。图1只是示意图，该通信系统中还可以包括其它网络设备，如还可以包括无线中继设备和无线回传设备，在图1中未画出。
本申请的实施例对该通信系统中包括的核心网设备、网络设备和终端设备的数量不做限定。图2是本申请的实施例应用的另一种通信系统的架构示意图。如图2所示，该通信系统100也可以包括核心网设备、至少两个网络设备和至少一个终端设备。
其中，网络设备120用于为终端设备配置上行传输资源，并与终端设备130进行通信。终端设备130用于根据网络设备配置的上行传输资源，进行上行数据传输，或者上行控制传输。
本申请中的通信系统包括但不限于长期演进(long term evolution，LTE)系统、第五代(5th-generation，5G)系统、新空口(new radio，NR)系统，无线局域网(wireless local area networks，WLAN)系统以及未来演进系统或者多种通信融合系统。示例性的，本申请提供的方法具体可应用于演进的全球陆地无线接入网络(evolved-universal terrestrial radio access network，E-UTRAN)和下一代无线接入网(next generation-radio access network，NG-RAN)系统。
本申请中的网络设备为网络侧的一种用于发送信号，或者，接收信号，或者，发送信号和接收信号的实体。网络设备可以为部署在无线接入网(radio access network，RAN)中为终端设备提供无线通信功能的装置，例如可以为TRP、基站(例如，演进型基站(evolved NodeB，eNB或eNodeB)、下一代基站节点(next generation node base station，gNB)、下一代eNB(next generation eNB，ng-eNB)等)、各种形式的控制节点(例如，网络控制器、无线控制器(例如，云无线接入网络(cloud radio access network，CRAN)场景下的无线控制器))、路侧单元(road side unit，RSU)等。具体的，网络设备可以为各种形式的宏基站，微基站(也称为小站)，中继站，接入点(access point，AP)等，也可以为基站的天线面板。所述控制节点可以连接多个基站，并为所述多个基站覆盖下的多个终端设备配置资源。在采用不同的无线接入技术(radio access technology，RAT)的系统中，具备基站功能的设备的名称可能会有所不同。例如，LTE系统中可以称为eNB或eNodeB，5G系统或NR系统中可以称为gNB，本申请对基站的具体名称不作限定。网络设备还可以是未来演进的公共陆地移动网络(public land mobile network，PLMN)中的网络设备等。
本申请中的终端设备是用户侧的一种用于接收信号，或者，发送信号，或者，接收信号和发送信号的实体。终端设备用于向用户提供语音服务和数据连通性服务中的一种或多种。终端设备还可以称为用户设备(user equipment，UE)、终端、接入终端、用户单元、用户站、移动站、远方站、远程终端、移动设备、用户终端、无线通信设 备、用户代理或用户装置。终端设备可以是车联网(vehicle to everything，V2X)设备，例如，智能汽车(smart car或intelligent car)、数字汽车(digital car)、无人汽车(unmanned car或driverless car或pilotless car或automobile)、自动汽车(self-driving car或autonomous car)、纯电动汽车(pure EV或Battery EV)、混合动力汽车(hybrid electric vehicle，HEV)、增程式电动汽车(range extended EV，REEV)、插电式混合动力汽车(plug-in HEV，PHEV)、新能源汽车(new energy vehicle)等。终端设备也可以是设备到设备(device to device，D2D)设备，例如，电表、水表等。终端设备还可以是移动站(mobile station，MS)、用户单元(subscriber unit)、无人机、物联网(internet of things，IoT)设备、WLAN中的站点(station，ST)、蜂窝电话(cellular phone)、智能电话(smart phone)、无绳电话、无线数据卡、平板型电脑、会话启动协议(session initiation protocol，SIP)电话、无线本地环路(wireless local loop，WLL)站、个人数字处理(personal digital assistant，PDA)设备、膝上型电脑(laptop computer)、机器类型通信(machine type communication，MTC)终端、具有无线通信功能的手持设备、计算设备或连接到无线调制解调器的其它处理设备、车载设备、可穿戴设备(也可以称为穿戴式智能设备)。终端设备还可以为下一代通信系统中的终端设备，例如，5G系统中的终端设备或者未来演进的PLMN中的终端设备，NR系统中的终端设备等。
网络设备和终端设备可以部署在陆地上，包括室内或室外、手持或车载；也可以部署在水面上；还可以部署在空中的飞机、气球和人造卫星上。本申请的实施例对网络设备和终端设备的应用场景不做限定。
网络设备和终端设备之间以及终端设备和终端设备之间可以通过授权频谱(licensed spectrum)进行通信，也可以通过免授权频谱(unlicensed spectrum)进行通信，也可以同时通过授权频谱和免授权频谱进行通信。网络设备和终端设备之间以及终端设备和终端设备之间可以通过6GHz以下的频谱进行通信，也可以通过6GHz以上的频谱进行通信，还可以同时使用6GHz以下的频谱和6GHz以上的频谱进行通信。本申请的实施例对网络设备和终端设备之间所使用的频谱资源不做限定。
如图3所示，为本申请提供的网络设备和终端的硬件结构示意图。
终端设备130包括至少一个处理器301、至少一个存储器302、至少一个收发器303。可选的，终端设备130还可以包括输出设备304和输入设备305。
处理器301、存储器302和收发器303通过总线相连接。处理器301可以是一个通用中央处理器(Central Processing Unit，CPU)、微处理器、特定应用集成电路(Application-Specific Integrated Circuit，ASIC)，或者一个或多个用于控制本申请方案程序执行的集成电路。处理器301也可以包括多个CPU，并且处理器301可以是一个单核(single-CPU)处理器或多核(multi-CPU)处理器。这里的处理器可以指一个或多个设备、电路或用于处理数据(例如计算机程序指令)的处理核。
存储器302可以是只读存储器(Read-Only Memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备、随机存取存储器(Random Access Memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(Electrically Erasable Programmable Read-Only Memory，EEPROM)、只读光盘(Compact Disc Read-Only Memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩 光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。存储器302可以是独立存在，通过总线与处理器301相连接。存储器302也可以和处理器301集成在一起。其中，存储器302用于存储执行本申请方案的应用程序代码，并由处理器301来控制执行。处理器301用于执行存储器302中存储的计算机程序代码，从而实现本申请中所述协同传输的方法。
收发器303可以使用任何收发器一类的装置，用于与其他设备或通信网络通信，如以太网、无线接入网(Radio Access Network，RAN)、无线局域网(Wireless Local Area Networks，WLAN)等。收发器303包括发射机Tx和接收机Rx。
输出设备304和处理器301通信，可以以多种方式来显示信息。例如，输出设备304可以是液晶显示器(Liquid Crystal Display，LCD)，发光二级管(Light Emitting Diode，LED)显示设备，阴极射线管(Cathode Ray Tube，CRT)显示设备，或投影仪(projector)等。输入设备305和处理器301通信，可以以多种方式接收用户的输入。例如，输入设备305可以是鼠标、键盘、触摸屏设备或传感设备等。
网络设备120包括至少一个处理器201、至少一个存储器202、至少一个收发器203和至少一个网络接口204。处理器201、存储器202、收发器203和网络接口204通过总线相连接。其中，网络接口204用于通过链路(例如S1接口)与核心网设备连接，或者通过有线或无线链路(例如X2接口)与其它网络设备的网络接口进行连接(图中未示出)，本申请对此不作具体限定。另外，处理器201、存储器202和收发器203的相关描述可参考终端设备130中处理器301、存储器302和收发器303的描述，在此不再赘述。
为了更好的理解本申请阐述的方法，先对本申请涉及的两种形式的上行传输进行说明。
第一种，基于非码本的上行传输
NR系统允许网络设备(如基站)为用于非码本上行传输方案的探测参考信号(sounding reference signal，SRS)资源集配置一个用于信道测量的关联非零功率(non-zero power，NZP)信道状态信息参考信号(channel state information reference signal，CSI-RS)资源。终端设备(如UE)根据该关联NZP CSI-RS资源获得用于非码本上行传输方案的SRS资源集的SRS信号传输的预编码。
基站为UE配置多个用于下行信道的解调的下行参考信号，该下行参考信号包括CSI-RS，或者解调参考信号(demodulation reference signal，DMRS)。其中，CSI-RS可用于波束管理、下行CSI测量。UE可以根据下行参考信号获得候选的上行预编码矩阵。
基站可以为UE配置1个用于上行传输的SRS资源集，该SRS资源集包含1-4个SRS资源，每个SRS资源包含1个SRS端口。基站可以通过探测参考信号指示(Sounding Reference Signal Indication，SRI)指示一个或多个用于确定(physical uplink shared channel，PUSCH)的预编码的SRS资源。SRI指示的SRS资源数即为PUSCH在上行载波上的传输层数。
在基于非码本上行传输时，SRI字段的大小可以为：
Figure PCTCN2020124564-appb-000001
比特，其中N SRS为基站为UE配置的SRS资源集合中的SRS资源数。L max为PUSCH在上行载波上的最大传输层数，该Lmax可以由高层参数maxMIMO-Layers配置。
当最大传输层数为2时，基于非码本的PUSCH传输的SRI指示，如表1所示。
表1
Figure PCTCN2020124564-appb-000002
例如，当基站为UE配置的SRS资源集中有3个SRS资源时，SRI字段的值为4，对应的SRS资源的索引为0，2。那么index＝0和2的两个SRS资源对应的SRS端口为PUSCH传输的天线端口，即PUSCH传输对应2个SRS端口。同时，由于SRI指示了2个SRS资源，所以PUSCH传输在上行载波上的传输层数为2。UE根据SRI指示的上行传输的SRS资源，即可确定数据的预编码矩阵，以对数据进行编码。
图4为基于非码本的上行传输的流程示意图，如图4所示，基于非码本的上行传输的具体实现流程为：
S401、UE根据下行参考信号，获得候选的上行预编码矩阵。UE根据候选的上行预编码矩阵和关联NZP CSI-RS资源，获得探测参考信号SRS。
S402、UE将探测参考信号SRS发送给基站，相应的，基站接收UE发送的探测参考信号SRS。
S403、基站根据探测参考信号SRS进行上行信道检测，确定上行传输的SRS资源和上行传输的调制与编码策略(Modulation and Coding Scheme，MCS)等级。
S404、基站向UE发送探测参考信号指示SRI和MCS等级，该SRI用于指示UE进行上行传输的SRS资源。
S405、UE接收MCS和SRI，并根据SRI指示的上行传输的SRS资源确定数据的预编码和传输层数，及根据MCS对数据进行调制编码。
S406、UE在上行载波上发送数据。
该数据可以属于上行传输的一部分。
第二种，基于码本的上行传输
NR系统中，基站可以为UE配置多个SRS(sounding reference resource,探测参考信号)资源，一个SRS资源中可配置1,2,4个SRS端口。
基站通过下行控制信息(Downlink Control Information，DCI)中的SRI、传输预编码矩阵指示(transmission precoding matrix information，TPMI)和层数指示(number of layer)指示UE确定PUSCH传输的预编码，以辅助UE根据基站选择的SRS资源确定PUSCH传输所使用的天线和模拟波束赋形等。当然，SRI、TPMI与层数指示也可以是由高层参数srs-ResourceIndicator和precodingAndNumberOfLayers配置的。
其中，下行控制信息DCI中的SRI用于向UE指示在上行载波上传输PUSCH所使用的SRS资源，SRI选定的SRS资源对应的SRS端口数与PUSCH传输对应的端口数相同。其中，SRS资源对应的SRS端口数是由用于配置SRS的高层参数SRS-Config中的字段nrofSRS-Ports指示的。
在基于码本上行传输时，SRI字段的大小为
Figure PCTCN2020124564-appb-000003
N SRS表示基站为PUSCH对应的上行传输模式所配置的SRS资源数。当基站为UE的一个上行传输模式只配置了一个SRS资源时，该上行传输方案下的PUSCH对应于该SRS资源，上行调度信息中不存在SRI字段。
其中，下行控制信息DCI中的TPMI用于指示应用于{0…ν-1}层的预编码。例如，如果只配置了1个SRS资源，TPMI用于指示应用于v层的预编码，v层对应于SRI指示的一个SRS资源。同时，TPMI还用于指示PUSCH传输在上行载波上的传输层数。表2为“预编码信息和传输层数”的码位表示，如表2所示。
表2 预编码和传输层数
Figure PCTCN2020124564-appb-000004
表3为两天线端口的单层传输的预编码矩阵W-1，如表3所示：
表3 预编码矩阵W-1
Figure PCTCN2020124564-appb-000005
表4为四天线端口的单层传输的预编码矩阵W-2，如表4所示：
表4 预编码矩阵W-2
Figure PCTCN2020124564-appb-000006
表5为两天线端口的两层传输的预编码矩阵W-3，如表5所示：
表5 预编码矩阵W-3
Figure PCTCN2020124564-appb-000007
图5为基于码本的上行传输的流程示意图，如图5所示，基于码本的上行传输的具体实现流程为：
S501、UE根据码本的上行传输方案的信道状态信息CSI，获取探测参考信号SRS。
S502、UE向基站发送探测参考信号SRS，相应的，基站接收UE发送的探测参考信号SRS。
S503、基站根据探测参考信号SRS进行上行信道检测，确定上行传输的SRS资源、上行传输的传输层数和预编码矩阵。
S504、基站向UE发送探测参考信号指示SRI、传输预编码矩阵指示TPMI和MCS等级。
S505、UE接收MCS、TPMI和SRI，并根据SRI指示的上行传输的SRS资源和TPMI指示应用于v层的预编码，确定数据的预编码矩阵，及根据MCS对数据进行调制编码。
S506、UE在上行载波上发送数据。
为了增强上行覆盖，5G NR引入了辅助上行载波(Supplementary Uplink carrier,SUL)。5G NR的主要工作频段在C-band 3.5GHz，与LTE的典型频段1.8GHz、700MHz相比，5G NR的工作频率更高，上行信号传输的穿透损耗和距离损耗更大，其上行覆 盖比下行覆盖小14dB左右。这会降低小区边缘用户接入小区的成功率。
图6为TDD(Time Division Duplex)载波和辅助上行(supplementary uplink，SUL)载波组合小区的结构示意图。如图6所示，现有技术通过5G NR针对SUL载波与TDD载波组合，定义了一种全新的小区类型，该小区包括一个下行载波和两个上行载波。利用载波集合技术将同频带或异频带不同的分量载波聚合得到更大的带宽，成倍地增加用户峰值速率。但是，每个上行载波支持各自独立的媒体接入控制(Media access control，MAC)和混合自动重传请求(Hybrid Automatic Repeat reQuest，HARQ)实体，所以两个载波的上行传输是由不同下行控制信息DCI分别调度的，导致控制信令开销较大。
为了UE能够在两个上行载波上同时发送上行传输，在降低控制信令开销的同时，达到利用多个上行频谱资源，提高上行容量的目的。本申请提供了一种上行传输方法，该方法通过终端设备接收第一指示信息，该第一指示信息用于指示至少两个上行载波，有效降低控制信令的开销。同时，终端设备根据第一指示信息，在至少两个上行载波上发送上行传输，实现了终端设备在多个上行载波发送上行传输的目的。因此，本申请确保降低控制信令开销的同时，在多个上行载波上发送上行传输，达到利用多个上行频谱资源，提高上行容量的目的。
以下实施例中的方法均可以在具有上述硬件结构的设备(如图1中的终端设备130和终端设备140)中实现。
图7为本申请提供的一种上行传输方法的流程示意图，如图7所示，该上行传输方法包括：
S701、终端设备接收第一指示信息，第一指示信息用于指示至少两个上行载波。
该第一指示信息用于指示至少两个上行载波，可以理解为，第一指示信息用于指示至少两个上行载波上的频域资源。
其中，至少两个上行载波，为以下至少一种情况：
第一种，至少一个辅助上行SUL载波和至少一个非SUL载波。
其中，非SUL载波，可称为non-SUL载波，也可称为NUL(normal uplink)载波。
可选的，一个SUL载波和一个非SUL载波属于同一个服务小区，或者，一个SUL载波和一个非SUL载波由同一个系统信息块1SIB1配置。
可选的，一个SUL载波和一个非SUL载波对应的是同一个网络设备，即同站址(co-located site)部署，或者，一个SUL载波和一个非SUL对应的是两个不同的网络设备，即异站址(different-located sites)部署的。
可选的，多个SUL载波和一个非SUL载波属于同一个服务小区，或者多个SUL载波和一个非SUL载波由同一个系统信息块1SIB1配置。例如，网络设备为终端设备配置一个non-SUL载波，两个SUL载波，终端设备支持4个射频链，即4发射天线。其中2个射频链置于non-SUL载波，两个SUL载波上各置一个射频链。或者说，non-SUL载波上的上行传输采用两天线发送，两个SUL载波上的上行传输均用一天线发送。
第二种，用于上行载波聚合的至少两个上行载波。
该用于上行载波聚合的至少两个上行载波，可以为一个主小区(primary cell，PCell)载波，和至少一个辅小区(Secondary Cell，SCell)载波。其中，PCell和SCell可以为 TDD时分双工(Time Division Duplex)，或FDD UL频分双工上行载波(Frequency Division Duplex Uplink)。
第三种，用于双链接的至少两个上行载波。
该用于双链接的至少两个上行载波，可以为主小区组MCG(Master cell group)，和辅小区组SCG(Secondary cell group)。其中，一个MCG包括至少一个上行载波，一个SCG也包含至少一个上行载波。
第四种，SUL载波。
应理解为，至少两个上行载波均为SUL载波，该SUL载波数不小于2。可选地，多个SUL载波属于同一个服务小区，或者多个SUL载波由同一个系统信息块1SIB1配置。
第五种，连续的上行载波。
应理解为至少两个上行载波为连续的上行载波。
例如，至少两个上行载波包括第一上行载波、第二上行载波、第三上行载波、第四上行载波和第五上行载波。
其中，第一上行载波至第五上行载波的频段依次为CC#1～CC#5，CC#1和CC#2是邻频载波，CC#2和CC#3是邻频载波，CC#3和CC#4是邻频载波，CC#,4和CC#5是邻频载波。需要说明的是，至少两个上行载波的具体类型可以是以上示例的中任意一种，也可以是以上示例中的任意结合，并且，以上至少两个上行载波的具体类型仅仅是示例性的，本申请中的至少两个上行载波还可以是其他类型及组合，本申请对此不做限制。
针对基于非码本上行传输和基于码本上行传输，相应的，第一指示信息的指示内容不同，具体如下所述：
第一、基于非码本上行传输。
假设，至少两个上行载波可以包括第一上行载波和第二上行载波。
网络设备为终端设备配置第一上行载波和第二上行载波用于并发上行传输。
其中，并发(Simultaneous transmission)，也可称为同时发送(Concurrent Transmission)，是指终端设备在第一上行载波和第二上行载波上同时发送上行传输。可选的，该上行传输在第一上行载波和第二上行载波上所占的时域资源至少部分重叠，或完全重叠。可选的，终端设备接收到单个下行控制信息DCI，在至少两个上行载波上发送上行传输。
具体的，第一上行载波上最大可配置p个第一资源，第二上行载波上最大可配置q个第一资源，其中，p和q均为大于等于1的正整数。
具体的，该第一资源可以为SRS资源。该第一指示信息可以为SRI，那么该SRI字段包含
Figure PCTCN2020124564-appb-000008
个比特。
或者，该SRI字段包含
Figure PCTCN2020124564-appb-000009
个比特。
基于非码本上行传输，第一指示信息还用于指示至少两个上行载波上的M个第一资源或N个第一资源集合，M为大于等于2的正整数，N为大于等于1的正整数。
该M个第一资源可以为M个SRS资源，N个第一资源集合可以为至少两个上行载波上的SRS资源的任意组合的集合。
以M个第一资源为例，终端设备通过M个第一资源确定至少两个上行载波上用于数据发送的第一预编码，也即M个第一资源为终端设备确定至少两个上行载波上的第一预编码所依据的共用的资源。
那么，该SRI字段包含
Figure PCTCN2020124564-appb-000010
个比特。或者，该SRI字段包含
Figure PCTCN2020124564-appb-000011
个比特。
进一步的，该M个第一资源可以包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源，P和Q为大于等于1的正整数。或者，该N个第一资源集合可以包括：第一上行载波上的P个第一资源，以及第二上行载波上的Q个第一资源。其中，P个第一资源为第一指示信息从p个第一资源中指示的，Q个第一资源为第一指示信息从q个第一资源中指示的。
终端设备根据M个第一资源或N个第一资源集合确定用于数据发送的第一预编码。
应理解为，网络设备指示终端设备在至少两个上行载波上共用的M个第一资源，M个第一资源包含第一上行载波上的P个第一资源和第二上行载波上的Q个第一资源。终端设备根据第一上行载波上的P个第一资源和第二上行载波上的Q个第一资源，确定用于数据发送的第一预编码。其中，该数据属于上行传输的一部分。
其中，上行传输在第一上行载波上和第二上行载波上的最大传输层数为第一指示信息指示的SRS资源的数量。
示例1、假设p＝4，q＝4，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上最大可配置4个SRS资源，第二上行载波上最大可配置4个SRS资源。网络设备共配置8个SRS资源给终端设备，即N SRS＝8。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
那么，该SRI字段包含
Figure PCTCN2020124564-appb-000012
个比特。或者，该SRI字段包含
Figure PCTCN2020124564-appb-000013
Figure PCTCN2020124564-appb-000014
个比特。
假设索引为0,1,2,3的SRS资源配置在第一上行载波上，索引为4,5,6,7的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/4,或者0/5,0/6,0,7,1/4,1/5,1/6,1/7,2/4,2/5,2/6,2/7,3/4,3/5,3/6,3/7时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
示例2、假设p＝4，q＝2，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上最大可配置4个SRS资源，第二上行载波上最大可配置2个SRS资源。网络设备共配置6个SRS资源给终端设备，即N SRS＝6。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表6.1为基于非码本的上行传输SRI指示，如表6.1所示，假设索引为0,1,2,3的SRS资源配置在第一上行载波上，索引为4,5的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/4,或者0/5,1/4,1/5,2/4,2/5,3/4,3/5时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表6.1 N SRS＝6，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝6
0 0
1 1
2 2
3 3
4 4
5 5
6 0,1
7 0,2
8 0,3
9 0,4
10 0,5
11 1,2
12 1,3
13 1,4
14 1,5
15 2,3
16 2,4
17 2,5
18 3,4
19 3,5
20 4.5
21～31 reserved
如果终端设备不支持在SUL载波上用两个SRS端口发送上行传输，那么N SRS＝6时，基于非码本的PUSCH传输SRI指示如表6.2所示：
表6.2，N SRS＝6，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝6
0 0
1 1
2 2
3 3
4 4
5 5
6 0,1
7 0,2
8 0,3
9 0,4
10 0,5
11 1,2
12 1,3
13 1,4
14 1,5
15 2,3
16 2,4
17 2,5
18 3,4
19 3,5
20～31 reserved
示例3、假设p＝3，q＝2，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上最大可配置3个SRS资源，第二上行载波上最大可配置2个SRS资源。网络设备共配置5个SRS资源给终端设备，即N SRS＝5。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表7.1为基于非码本的上行传输SRI指示，如表7.1所示，假设索引为0,1,2的SRS资源配置在第一上行载波上，索引为3,4的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/3,或者0/4,1/3,1/4,2/3,2/4时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表7.1 N SRS＝5，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝5
0 0
1 1
2 2
3 3
4 4
5 0,1
6 0,2
7 0,3
8 0,4
9 1,2
10 1,3
11 1,4
12 2,3
13 2,4
14 3,4
15 reserved
如果终端设备不支持在SUL载波上用两个SRS端口发送上行传输，那么N SRS＝5时，基于非码本的PUSCH传输SRI指示如表7.2所示：
表7.2 N SRS＝5，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝5
0 0
1 1
2 2
3 3
4 4
5 0,1
6 0,2
7 0,3
8 0,4
9 1,2
10 1,3
11 1,4
12 2,3
13 2,4
14-15 reserved
示例4、假设p＝2，q＝2，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上配置2个SRS资源，第二上行载波上配置2个SRS资源。网络设备共配置4个资源给终端设备，即N SRS＝4。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表8.1为基于非码本的上行传输SRI指示，如表8.1所示，假设索引为0,1的SRS资源配置在第一上行载波上，索引为2，3的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/2,或者0/3,1/2,1/3时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表8.1 N SRS＝4，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝4
0 0
1 1
2 2
3 3
4 0,1
5 0,2
6 0,3
7 1,2
8 1,3
9 2,3
10-15 reserved
如果终端设备不支持在SUL载波上用两个SRS端口发送上行传输，那么N SRS＝4时，基于非码本的PUSCH传输SRI指示如表8.2所示：
表8.2 N SRS＝4，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝4
0 0
1 1
2 2
3 3
4 0,1
5 0,2
6 0,3
7 1,2
8 1,3
如果网络设备为终端设备配置至少两个上行载波(如包括第一上行载波和第二上行载波)发送(并发)上行传输，第一上行载波上配置了x个SRS资源，x为大于1的正整数，第二上行载波上配置了1个SRS资源。在所述至少两个上行载波中，有一个上行载波上仅配置了一个SRS资源，则SRI字段的比特数不根据该仅配置了一个SRS资源的上行载波确定，SRI字段的比特数为
Figure PCTCN2020124564-appb-000015
进一步地，有y个上行载波上仅配置了一个SRS资源，SRI字段的比特数为
Figure PCTCN2020124564-appb-000016
具体如示例5-示例7所述：
示例5、假设p＝4，q＝1，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上配置4个SRS资源，第二上行载波上配置1个SRS资源。网络设备共配置5个SRS资源给终端设备，即N SRS＝5。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表9.1为基于非码本的上行传输SRI指示，如表9.1所示，假设索引为0,1,2,3的SRS资源配置在第一上行载波上，索引为4的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/4或者1/4,2/4,3/4时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表9.1 N SRS＝5，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝5
0 0
1 1
2 2
3 3
4 0,1
5 0,2
6 0,3
7 0,4
8 1,2
9 1,3
10 1,4
11 2,3
12 2,4
13 3,4
14-15 reserved
由于第二上行载波上仅配置了一个SRS资源，若终端设备仅需要利用第二上行载波上的一个SRS端口发送上行传输，上行授权信令中SRI字段可能为0比特，而是采用载波指示字段或者non-SUL/SUL指示字段指示终端设备在单载波上发送上行传输。所以在SRI表格中不存在指示第二上行载波单SRS资源索引的码位。
示例6、假设p＝3，q＝1，M＝2，即网络设备为网络设备配置第一上行载波和第二上行载波，且第一上行载波上配置3个SRS资源，第二上行载波上配置1个SRS资源。网络设备共配置4个资源给终端设备，即N SRS＝4。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表10.1和10.2为基于非码本的上行传输SRI指示，如表10.1和表10.2所示，假设索引为0,1,2的SRS资源配置在第一上行载波上，索引为3的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/3或者1/3,2/3时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表10.1 N SRS＝4，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝4
0 0
1 1
2 2
3 3
4 0,1
5 0,2
6 0,3
7 1,2
8 1,3
9 2,3
10-15 reserved
表10.2 N SRS＝4，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝4
0 0
1 1
2 2
3 3
4 0,1
5 0,2
6 0,3
7 1,2
8 1,3
示例7、假设p＝2，q＝1，M＝2，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上配置2个SRS资源，第二上行载波上配置1个SRS资源。网络设备共配置3个资源给终端设备，即N SRS＝3。网络设备通过第一指示信息指示其中的2个SRS资源，此时M为2，上行传输在第一上行载波上和第二上行载波上的最大传输层数为2。
表11.1为基于非码本的上行传输SRI指示，如表11.1所示，假设索引为0,1的SRS资源配置在第一上行载波上，索引为2的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0/2或者1/2时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表11.1 N SRS＝3，Lmax＝2
Bit field mapped to index SRI(s),N SRS＝3
0 0
1 1
2 2
3 0,1
4 0,2
5 1,2
6-7 reserved
示例8、假设p＝4，q＝2，M＝3，即网络设备为终端设备配置第一上行载波和第二上行载波，且第一上行载波上配置4个SRS资源，第二上行载波上配置2个SRS资源。网络设备共配置6个资源给终端设备，即N SRS＝6。网络设备通过第一指示信息指示其中的3个SRS资源，此时M为3，上行传输在第一上行载波上和第二上行载波上的最大传输层数为3。
表12.1为基于非码本的上行传输SRI指示，如表12.1所示，假设索引为0,1,2,3的 SRS资源配置在第一上行载波上，索引为4,5的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0,1,4、0,1,5、0,2,4、0,2,5、0,3,4、0,3,5、1,2,4、1,2,5、1,3,4、1,3,5、2,3,4、2,3,5时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
表12.1 N SRS＝6，Lmax＝3
Bit field mapped to index SRI(s),N SRS＝6
0 0
1 1
2 2
3 3
4 4
5 5
6 0,1
7 0,2
8 0,3
9 0,4
10 0,5
11 1,2
12 1,3
13 1,4
14 1,5
15 2,3
16 2,4
17 2,5
18 3,4
19 3,5
20 4.5
21 0,1,2
22 0,1,3
23 0,1,4
24 0,1,5
25 0,2,3
26 0,2,4
27 0,2,5
28 0,3,4
29 0,3,5
30 0,4,5
31 1,2,3
32 1,2,4
33 1,2,5
34 1,3,4
35 1,3,5
36 1,4,5
37 2,3,4
38 2,3,5
39 2,4,5
40 3,4,5
41～63 reserved
当SRI指示SRS资源索引组合为0/4/5,1/4/5,2/4/5,3/4/5为在第一上行载波上以一天线端口、第二上行载波上以两天线端口并发PUSCH。网络设备指示UE在两载波并发，最大层数为3，基于非码本的PUSCH传输SRI指示表格为表12.1的子集。
示例9、假设p＝4，q＝1，M＝3，即网络设备给终端设备配置第一上行载波和第二上行载波，且第一上行载波上配置4个SRS资源，第二上行载波上配置1个SRS资源。网络设备共配置5个资源给终端设备，即N SRS＝5。网络设备通过第一指示信息指示其中的3个SRS资源，此时M为3，上行传输在第一上行载波上和第二上行载波上的最大传输层数为3。
表13.1为基于非码本的上行传输SRI指示，如表13.1所示，假设索引为0,1,2,3的SRS资源配置在第一上行载波上，索引为4的SRS资源配置在第二上行载波上。当SRI指示SRS资源索引组合为0,1,4、0,2,4、0,3,4、1,2,4、1,3,4 2,3,4时，终端设备根据这些SRS资源索引组合确定用于数据发送的第一预编码。
网络设备指示终端设备在两上行载波并发，最大层数为3，基于非码本的上行传输SRI指示表格为表13.1的子集。
表13.1 N SRS＝5，Lmax＝3
Bit field mapped to index SRI(s),N SRS＝5
0 0
1 1
2 2
3 3
4 4
5 0,1
6 0,2
7 0,3
8 0,4
9 1,2
10 1,3
11 1,4
12 2,3
13 2,4
14 3,4
15 0,1,2
16 0,1,3
17 0,1,4
18 0,2,3
19 0,2,4
20 0,3,4
21 1,2,3
22 1,2,4
23 1,3,4
24 2,3,4
25～31 reserved
或者，当网络设备为第二上行载波仅配置了一个SRS资源，且配置了PUSCH传输在第一上行载波和第二上行载波上并发，当第一上行载波上配置的SRS资源数大于1，上行授权信令中的SRI字段仅指示第一上行载波上的应用于PUSCH传输的SRS资源。
示例10、假设p＝4，q＝1，o＝1，M＝4，即网络设备为终端设备配置第一上行载波、第二上行载波和第三上行载波，且第一上行载波上配置4个SRS资源，第二上行载波上配置2个SRS资源，第三上行载波上配置2个SRS资源。网络设备共配置8个资源给终端设备，即N SRS＝8。网络设备通过第一指示信息指示其中的4个SRS资源，此时M为4，上行传输在第一上行载波上和第二上行载波上的最大传输层数为4。
表14.1为基于非码本的上行传输SRI指示，如表14.1所示，假设索引为0,1,2,3的SRS资源配置在第一上行载波上，索引为4,5的SRS资源配置在第二上行载波上，索引为6,7的SRS资源配置在第三上行载波上。为了实现在第一上行载波采用2个SRS端口、在第二上行载波采用1个SRS端口、在第三上行载波采用1个SRS端口并发PUSCH。基于非码本的并发上行传输SRI指示如表14.1所示。或者网络设备指示终端设备在三个上行载波并发，且个SRS端口组合为2+1+1，最大传输层数为4，基于非码本的并发PUSCH传输SRI指示表格为表14.1的子集。
表14.1 N SRS＝8，Lmax＝4
Bit field mapped to index SRI(s),N SRS＝8
0 0,1,4,6
1 0,1,5,6
2 0,1,4,7
3 0,1,5,7
4 0,2,4,6
5 0,2,5,6
6 0,2,4,7
7 0,2,5,7
8 0,3,4,6
9 0,3,5,6
10 0,3,4,7
11 0,3,5,7
12 1,2,4,6
13 1,2,5,6
14 1,2,4,7
15 1,2,5,7
16 1,3,4,6
17 1,3,5,6
18 1,3,4,7
19 1,3,5,7
20 2,3,4,6
21 2,3,5,6
22 2,3,4,7
23 2,3,5,7
24-31 reserved
第二，基于码本上行传输。
第一指示信息还用于指示用于数据发送的第一预编码。该第一预编码可以包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码，也即，第一预编码可以理解为一个预编码的集合，其中包括至少两个上行载波上每个上行载波上的预编码。当然，第一预编码也可以理解为基于每个上行载波上用于发送数据的预编码生成的联合预编码。
示例性的，第一指示信息为TPMI，至少两个上行载波包括一个SUL载波和一个NUL载波，TPMI指示终端设备在该一个NUL载波上应用于2层的预编码A，及在该一个SUL载波上应用于1层的预编码B，并发上行传输。其中，该2层对应于SRI指示的2个SRS端口。该1层对应于SRI指示的2个SRS端口。故第一预编码包括预编码A和预编码B，则第一预编码如下所示：
Figure PCTCN2020124564-appb-000017
其中，
Figure PCTCN2020124564-appb-000018
另外，该第一预编码对应至少一个预编码矩阵，每个上行载波上用于发送数据的预编码对应一个预编码矩阵。进一步的，当第一预编码对应一个预编码矩阵时，此时至少两个上行载波对应一个预编码矩阵；或者，当第一预编码对应多个预编码矩阵时，此时至少两个上行载波对应多个预编码矩阵。
可选的，第一指示信息还用于指示所述上行传输对应的传输层数。该第一预编码对应的传输层数为所述上行传输在所述第一上行载波上的传输层数和所述第二上行载波 上的传输层数之和。
S702、终端设备根据第一指示信息，在至少两个上行载波上发送上行传输。
该上行传输可以包括上行DMRS和/或上行数据的发送。接收端需要对不同的上行传输进行独立的信道估计，从而解调和译码上行数据。所述上行数据包括有效信息和冗余信息，所述上行数据承载于PUSCH上。
该上行传输的数量为至少一个，该至少一个上行传输可以包括第一上行传输和/或第二上行传输。具体的，该上行传输可以是一个上行传输，此时，至少两个上行载波上发送一个上行传输。该上行传输也可以是多个上行传输，此时，至少两个上行载波上发送不同的多个上行传输。
S702具体可实现为：终端设备根据第一指示信息，在至少两个上行载波上发送第一上行传输。
应理解为，此时，至少两个上行载波上发送一个上行传输，以至少两个上行载波包括第一上行载波和第二上行载波为例，第一上行载波上的上行传输和第二上行载波上的上行传输属于一个传输块(Transport Block，TB)。终端设备将该一个TB中的部分比特映射在第一上行载波上，将该一个TB中其余比特映射在第二上行载波上。换种说法，用于承载上行传输的部分资源块(Recource Block，RB)在第一上行载波上，其余RB在第二上行载波上。在这种情况下，在第一上行载波上映射的部分TB中包含至少一个编码块组(Code Block Group，CBG)，在第二上行载波上映射的其余部分TB中也包含至少一个编码块组CBG，第一上行载波相关的CBG与第二上行载波相关的CBG不同。
示例性的，该第一上行传输可以为上行共享信道PUSCH，或者上行控制信道(physical uplink control channel，PUCCH)，或者探测参考信号SRS，或者上行随机接入信道(physical random access channel，PRACH)。
另一种实现方式为：终端设备根据第一指示信息，在至少两个上行载波中的第一上行载波发送第一上行传输，且在至少两个上行载波中的第二上行载波发送第二上行传输。
应理解为，此时，至少两个上行载波上发送多个上行传输，以至少两个上行载波包括第一上行载波和第二上行载波为例，第一上行载波的第一上行传输和第二上行载波上的第二上行传输为(属于)两个相互独立的传输块TB。终端设备将第一上行传输(第一TB)映射在第一上行载波上，第二上行传输(第二TB)映射在第二上行载波上。换种说法：用于承载第一上行传输的资源块RB在第一上行载波上，第二上行传输的RB在第二上行载波上。
示例性的，终端设备在第一上行载波上发送PUSCH，同时在第二上行载波上发送PUCCH；或者，终端设备在第一上行载波上发送PUSCH，同时在第二上行载波上发送PRACH；或者，终端设备在第一上行载波上发送PUSCH，同时在第二上行载波上发送SRS；或者，终端设备在第一上行载波上发送PUCCH，同时在第二上行载波上发送SRS；或者，终端设备在第一上行载波上发送PUCCH，同时在第二上行载波上发送 PRACH；或者，终端设备在第一上行载波上发送PRACH，同时在第二上行载波上发送SRS。
另外，示例性的，若上行传输在三个上行载波上并发，则网络设备为第一上行载波分配两个射频链，即两个SRS端口，为第二上行载波和第三上行载波各分配一个射频链，即一个SRS端口。终端设备可以利用四个SRS端口在三个上行载波上并发。
图8为本申请提供的又一种上行传输方法的流程示意图，如图8所示，基于非码本的上行传输，该上行传输方法包括：
S801、网络设备确定至少两个上行载波。
该至少两个上行载波包括第一上行载波和第二上行载波。
S802、网络设备向终端设备发送第一指示信息，该第一指示信息还用于指示至少两个上行载波上的M个第一资源或N个第一资源集合。
其中，该M个第一资源可以为M个SRS资源，N个第一资源集合可以为至少两个上行载波上的SRS资源的任意组合的集合。
进一步的，第一指示信息还可以包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率，也即，第一指示信息可以指示至少两个上行载波以及每个上行载波对应的传输功率，至少两个上行载波中每个上行载波对应的传输功率相互独立，避免了由于不同载波上频域资源分配不同导致的最大功率减小量不同，影响上行传输的传输功率的确定问题。
在一种实现方式中，网络设备可以预先配置/定义第一功率参数与第一上行载波上的第一传输功率的对应关系，及第二功率参数与第二上行载波上的第二传输功率的对应关系。此时，网络设备通过上行授权信令中的“调度的上行传输的传输功率控制命令”(TPC command for scheduled PUSCH)字段对第一上行载波和第二上行载波的传输功率独立指示。
或者，在另一种实现方式中，第一上行载波上的第一传输功率和第二上行载波上的第二传输功率是由SRI参数配置，例如，一个SRI码位对应两套开环功率控制参数(P0,alpha)分别对应两个上行载波。终端设备接收到网络设备发送的SRI参数，根据SRI参数可确定第一上行载波上的第一传输功率和第二上行载波上的第二传输功率。
如此，在至少两个上行载波上传输的上行传输对应的功率不同，避免了由于两个上行载波上频域资源分配不同导致最大功率减小量(Maximum Power Reduction，MPR)不同，影响上行传输的传输功率的确定问题。
S803、终端设备接收第一指示信息。
S804、终端设备根据第一指示信息，在至少两个上行载波上发送上行传输。
其中，S803至S804与上述S701至S702相似，可参考上述S701至S702中的相关描述。
图9为本申请提供的又一种上行传输方法的流程示意图，如图9所示，基于码本 的上行传输，该上行传输方法包括：
S901、网络设备确定至少两个上行载波。
该至少两个上行载波包括第一上行载波和第二上行载波。
S902、网络设备向终端设备发送第一指示信息，该第一指示信息还用于指示用于数据发送的第一预编码。
该第一预编码可以包括在第一上行载波上用于发送数据的预编码与在第二上行载波上用于发送数据的预编码。
进一步的，第一指示信息还可以包括第一功率参数和第二功率参数，第一功率参数对应上行传输在至少两个上行载波中第一上行载波上的第一传输功率，第二功率参数对应上行传输在至少两个上行载波中第二上行载波上的第二传输功率，也即，第一指示信息可以指示至少两个上行载波以及每个上行载波对应的传输功率，至少两个上行载波中每个上行载波对应的传输功率相互独立，避免了由于不同载波上频域资源分配不同导致的最大功率减小量不同，影响上行传输的传输功率的确定问题。
具体实现方式可参考上述相关内容，在此不再赘述。
S903、终端设备接收第一指示信息。
S904、终端设备根据第一指示信息，在至少两个上行载波上发送上行传输。
其中，S903至S904与上述S701至S702相似，可参考上述S701至S702中的相关描述。
本申请上述实施例中的各个方案在不矛盾的前提下，均可以进行结合。
上述主要从各个网元之间交互的角度对本申请的方案进行了介绍。可以理解的是，各个网元，例如，网络设备和终端设备为了实现上述功能，其包含了执行各个功能相应的硬件结构和软件模块中的至少一个。本领域技术人员应该很容易意识到，结合本文中所公开的实施例描述的各示例的单元及算法步骤，本申请能够以硬件或硬件和计算机软件的结合形式来实现。某个功能究竟以硬件还是计算机软件驱动硬件的方式来执行，取决于技术方案的特定应用和设计约束条件。专业技术人员可以对每个特定的应用来使用不同方法来实现所描述的功能，但是这种实现不应认为超出本申请的范围。
本申请可以根据上述方法示例对网络设备和终端设备进行功能单元的划分，例如，可以对应各个功能划分各个功能单元，也可以将两个或两个以上的功能集成在一个处理单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。需要说明的是，本申请中对单元的划分是示意性的，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式。
在采用集成的单元的情况下，图10示出了上述实施例中所涉及的通信装置(记为通信装置100)的一种可能的结构示意图，该通信装置100包括处理单元1001和通信单元1002，还可以包括存储单元1003。图10所示的结构示意图可以用于示意上述实施例中所涉及的网络设备和终端设备的结构。
当图10所示的结构示意图用于示意上述实施例中所涉及的终端设备的结构时，处理单元1001用于对终端设备的动作进行控制管理，例如，控制终端设备执行图7中的S701和S702，图8中的S803和S804，图9中的S903和S904，图10中的S1003和S1004，和/或本申请中所描述的其他过程中的终端设备执行的动作。处理单元1001可以通过通信单元1002与其他网络实体通信，例如，与图1-图3中示出的网络设备通信。存储单元1003用于存储终端设备的程序代码和数据。
当图10所示的结构示意图用于示意上述实施例中所涉及的终端设备的结构时，通信装置100可以是终端设备，也可以是终端设备内的芯片。
当图10所示的结构示意图用于示意上述实施例中所涉及的网络设备的结构时，处理单元1001用于对网络设备的动作进行控制管理，例如，控制网络设备执行图8中的S801和S802，图9中的S901和S902，图10中的S1001和S1002，和/或本申请中所描述的其他过程中的终端设备执行的动作。处理单元1001可以通过通信单元1002与其他网络实体通信，例如，与图1-图3中示出的终端设备通信。存储单元1003用于存储网络设备的程序代码和数据。
当图10所示的结构示意图用于示意上述实施例中所涉及的网络设备的结构时，通信装置100可以是网络设备，也可以是网络设备内的芯片。
其中，当通信装置100为终端设备或网络设备时，处理单元1001可以是处理器或控制器，通信单元1002可以是通信接口、收发器、收发机、收发电路、收发装置等。其中，通信接口是统称，可以包括一个或多个接口。存储单元1003可以是存储器。当通信装置100为终端设备或网络设备内的芯片时，处理单元1001可以是处理器或控制器，通信单元1002可以是输入接口和/或输出接口、管脚或电路等。存储单元1003可以是该芯片内的存储单元(例如，寄存器、缓存等)，也可以是终端设备或网络设备内的位于该芯片外部的存储单元(例如，只读存储器(read-onlymemory，简称ROM)、随机存取存储器(random access memory，简称RAM)等)。
其中，通信单元也可以称为收发单元。通信装置100中的具有收发功能的天线和控制电路可以视为通信装置100的通信单元1002，具有处理功能的处理器可以视为通信装置100的处理单元1001。可选的，通信单元1002中用于实现接收功能的器件可以视为接收单元，接收单元用于执行本申请中的接收的步骤，接收单元可以为接收机、接收器、接收电路等。
在实现过程中，本实施例提供的方法中的各步骤可以通过处理器中的硬件的集成逻辑电路或者软件形式的指令完成。结合本申请所公开的方法的步骤可以直接体现为硬件处理器执行完成，或者用处理器中的硬件及软件模块组合执行完成。
本申请中的处理器可以包括但不限于以下至少一种：中央处理单元(central processing unit，CPU)、微处理器、数字信号处理器(DSP)、微控制器(microcontroller unit，MCU)、或人工智能处理器等各类运行软件的计算设备，每种计算设备可包括 一个或多个用于执行软件指令以进行运算或处理的核。该处理器可以是个单独的半导体芯片，也可以跟其他电路一起集成为一个半导体芯片，例如，可以跟其他电路(如编解码电路、硬件加速电路或各种总线和接口电路)构成一个SoC(片上系统)，或者也可以作为一个ASIC的内置处理器集成在所述ASIC当中，该集成了处理器的ASIC可以单独封装或者也可以跟其他电路封装在一起。该处理器除了包括用于执行软件指令以进行运算或处理的核外，还可进一步包括必要的硬件加速器，如现场可编程门阵列(field programmable gate array，FPGA)、PLD(可编程逻辑器件)、或者实现专用逻辑运算的逻辑电路。
本申请中的存储器，可以包括如下至少一种类型：只读存储器(read-only memory，ROM)或可存储静态信息和指令的其他类型的静态存储设备，随机存取存储器(random access memory，RAM)或者可存储信息和指令的其他类型的动态存储设备，也可以是电可擦可编程只读存储器(Electrically erasable programmabler-only memory，EEPROM)。在某些场景下，存储器还可以是只读光盘(compact disc read-only memory，CD-ROM)或其他光盘存储、光碟存储(包括压缩光碟、激光碟、光碟、数字通用光碟、蓝光光碟等)、磁盘存储介质或者其他磁存储设备、或者能够用于携带或存储具有指令或数据结构形式的期望的程序代码并能够由计算机存取的任何其他介质，但不限于此。
本申请还提供一种计算机可读存储介质，该计算机可读存储介质中存储有指令，当该指令在计算机上运行时，使得计算机执行前述任一实施例中的方法。
本申请还提供一种计算机程序产品，当该计算机程序产品在计算机上运行时，使得计算机执行前述任一实施例中的方法。
本申请还提供一种通信装置，该装置可以以芯片的产品形态存在，该装置的结构中包括处理器和接口电路，该处理器用于通过接收电路与其它装置通信，使得该装置执行前述任一实施例中的方法。
本申请还提供了一种通信系统，包括：上述网络设备和终端设备。
本申请还提供了一种芯片，该芯片包括处理器和接口电路，该接口电路和该处理器耦合，该处理器用于运行计算机程序或指令，以实现上述方法，该接口电路用于与该芯片之外的其它模块进行通信。
尽管结合具体特征及其实施例对本申请进行了描述，显而易见的，在不脱离本申请的精神和范围的情况下，可对其进行各种修改和组合。相应地，本说明书和附图仅仅是所附权利要求所界定的本申请的示例性说明，且视为已覆盖本申请范围内的任意和所有修改、变化、组合或等同物。显然，本领域的技术人员可以对本申请进行各种改动和变型而不脱离本申请的精神和范围。这样，倘若本申请的这些修改和变型属于本申请权利要求及其等同技术的范围之内，则本申请也意图包含这些改动和变型在内。
需要说明的是：以上所述，仅为本申请的具体实施方式，但本申请的保护范围并不局限于此，任何在本申请揭露的技术范围内的变化或替换，都应涵盖在本申请的保护范围之内。因此，本申请的保护范围应以所述权利要求的保护范围为准。

Claims (29)

  1. 一种上行传输方法，其特征在于，包括：
    终端设备接收第一指示信息，所述第一指示信息用于指示至少两个上行载波；
    所述终端设备根据所述第一指示信息，在所述至少两个上行载波上发送上行传输。
  2. 根据权利要求1所述的方法，其特征在于，所述第一指示信息还用于指示所述至少两个上行载波上的M个第一资源或N个第一资源集合，M为大于等于2的正整数，N为大于等于1的正整数；
    所述终端设备根据所述M个第一资源或所述N个第一资源集合确定用于数据发送的第一预编码。
  3. 根据权利要求2所述的方法，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；
    所述M个第一资源或所述N个第一资源集合包括：所述第一上行载波上的P个第一资源，以及所述第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
  4. 根据权利要求1所述的方法，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；所述第一指示信息还用于指示用于数据发送的第一预编码；所述第一预编码包括在所述第一上行载波上用于发送数据的预编码与在所述第二上行载波上用于发送数据的预编码。
  5. 根据权利要求3或4所述的方法，其特征在于，所述上行传输包括第一上行传输和/或第二上行传输；
    所述终端设备根据所述第一指示信息，在所述至少两个上行载波上发送所述上行传输，包括：
    所述终端设备根据所述第一指示信息，在所述至少两个上行载波上发送所述第一上行传输；或者，
    所述终端设备根据所述第一指示信息，在所述至少两个上行载波中的第一上行载波发送所述第一上行传输，且在所述至少两个上行载波中的第二上行载波发送所述第二上行传输。
  6. 根据权利要求1-5中任一项所述的方法，其特征在于，
    所述第一指示信息还包括第一功率参数和第二功率参数，所述第一功率参数对应所述上行传输在至少两个上行载波中第一上行载波上的第一传输功率，所述第二功率参数对应所述上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
  7. 根据权利要求1-6中任一项所述的方法，其特征在于，所述至少两个上行载波，为以下至少一种情况：
    至少一个辅助上行SUL载波和至少一个非SUL载波；
    用于上行载波聚合的至少两个上行载波；
    用于双链接的至少两个上行载波；
    SUL载波；
    连续的上行载波。
  8. 一种上行传输方法，其特征在于，包括：
    网络设备确定至少两个上行载波；
    所述网络设备向终端设备发送第一指示信息，所述第一指示信息用于指示所述终端设备在所述至少两个上行载波上发送上行传输。
  9. 根据权利要求8所述的方法，其特征在于，所述第一指示信息还用于指示所述终端设备根据所述至少两个上行载波上的M个第一资源或N个第一资源集合确定用于数据发送的第一预编码，M为大于等于2的正整数，N为大于等于1的正整数。
  10. 根据权利要求9所述的方法，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；
    所述M个第一资源或所述N个第一资源集合包括：所述第一上行载波上的P个第一资源，以及所述第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
  11. 根据权利要求8所述的方法，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；所述第一指示信息还用于指示用于数据发送的第一预编码；所述第一预编码包括在所述第一上行载波上用于发送数据的预编码与在所述第二上行载波上用于发送数据的预编码。
  12. 根据权利要求8-11中任一项所述的方法，其特征在于，
    所述第一指示信息还包括第一功率参数和第二功率参数，所述第一功率参数对应所述上行传输在至少两个上行载波中第一上行载波上的第一传输功率，所述第二功率参数对应所述上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
  13. 根据权利要求8-12中任一项所述的方法，其特征在于，所述至少两个上行载波为以下至少一种情况：
    至少一个辅助上行SUL载波和至少一个非SUL载波；
    用于上行载波聚合的至少两个上行载波；
    用于双链接的至少两个上行载波；
    辅助上行SUL载波；
    连续的上行载波。
  14. 一种通信装置，其特征在于，包括：
    接收单元，用于接收第一指示信息，所述第一指示信息用于指示至少两个上行载波；
    发送单元，用于根据所述第一指示信息，在所述至少两个上行载波上发送上行传输。
  15. 根据权利要求14所述的通信装置，其特征在于，所述第一指示信息还用于指示所述至少两个上行载波上的M个第一资源或N个第一资源集合，M为大于等于2的正整数，N为大于等于1的正整数；
    所述通信装置还包括：
    处理单元，用于根据所述M个第一资源或所述N个第一资源集合确定用于数据发送的第一预编码。
  16. 根据权利要求15所述的通信装置，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；
    所述M个第一资源或所述N个第一资源集合包括：所述第一上行载波上的P个第一资源，以及所述第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
  17. 根据权利要求14所述的通信装置，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；所述第一指示信息还用于指示用于数据发送的第一预 编码；所述第一预编码包括在所述第一上行载波上用于发送数据的预编码与在所述第二上行载波上用于发送数据的预编码。
  18. 根据权利要求16或17所述的通信装置，其特征在于，所述上行传输包括第一上行传输和/或第二上行传输；
    所述发送单元，还用于根据所述第一指示信息，在所述至少两个上行载波上发送所述第一上行传输；或者，
    所述发送单元，还用于根据所述第一指示信息，在所述至少两个上行载波中的第一上行载波发送所述第一上行传输，且在所述至少两个上行载波中的第二上行载波发送所述第二上行传输。
  19. 根据权利要求14-18中任一项所述的通信装置，其特征在于，
    所述第一指示信息还包括第一功率参数和第二功率参数，所述第一功率参数对应所述上行传输在至少两个上行载波中第一上行载波上的第一传输功率，所述第二功率参数对应所述上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
  20. 根据权利要求14-19中任一项所述的通信装置，其特征在于，所述至少两个上行载波，为以下至少一种情况：
    至少一个辅助上行SUL载波和至少一个非SUL载波；
    用于上行载波聚合的至少两个上行载波；
    用于双链接的至少两个上行载波；
    SUL载波；
    连续的上行载波。
  21. 一种通信装置，其特征在于，包括：
    处理单元，用于确定至少两个上行载波；
    发送单元，用于向终端设备发送第一指示信息，所述第一指示信息用于指示所述终端设备在所述至少两个上行载波上发送上行传输。
  22. 根据权利要求21所述的通信装置，其特征在于，所述第一指示信息还用于指示所述终端设备根据所述至少两个上行载波上的M个第一资源或N个第一资源集合确定用于数据发送的第一预编码，M为大于等于2的正整数，N为大于等于1的正整数。
  23. 根据权利要求22所述的通信装置，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；
    所述M个第一资源或所述N个第一资源集合包括：所述第一上行载波上的P个第一资源，以及所述第二上行载波上的Q个第一资源，P和Q为大于等于1的整数。
  24. 根据权利要求21所述的通信装置，其特征在于，所述至少两个上行载波包括第一上行载波和第二上行载波；所述第一指示信息还用于指示用于数据发送的第一预编码；所述第一预编码包括在所述第一上行载波上用于发送数据的预编码与在所述第二上行载波上用于发送数据的预编码。
  25. 根据权利要求21-24中任一项所述的通信装置，其特征在于，
    所述第一指示信息还包括第一功率参数和第二功率参数，所述第一功率参数对应所述上行传输在至少两个上行载波中第一上行载波上的第一传输功率，所述第二功率参数对应所述上行传输在至少两个上行载波中第二上行载波上的第二传输功率。
  26. 根据权利要求21-25中任一项所述的通信装置，其特征在于，所述至少两个上行载波为以下至少一种情况：
    至少一个辅助上行SUL载波和至少一个非SUL载波；
    用于上行载波聚合的至少两个上行载波；
    用于双链接的至少两个上行载波；
    辅助上行SUL载波；
    连续的上行载波。
  27. 一种通信装置，其特征在于，包括：至少一个处理器及接口电路，所述接口电路用于为所述至少一个处理器提供指令和/或数据的输入或输出，所述至少一个处理器执行上述指令时，使得所述装置实现如权利要求1至7或权利要求8至13任一项所述的方法。
  28. 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存储程序，所述程序被处理器调用时，权利要求1至7任一项所述的上行传输方法被执行，或者权利要求8至13任一项所述的上行传输方法被执行。
  29. 一种计算机程序，其特征在于，当所述程序被处理器调用时，权利要求1至7任一项所述的上行传输方法被执行，或者权利要求8至13任一项所述的上行传输方法被执行。
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