WO2020001343A1 - 一种通信方法及装置 - Google Patents
一种通信方法及装置 Download PDFInfo
- Publication number
- WO2020001343A1 WO2020001343A1 PCT/CN2019/091901 CN2019091901W WO2020001343A1 WO 2020001343 A1 WO2020001343 A1 WO 2020001343A1 CN 2019091901 W CN2019091901 W CN 2019091901W WO 2020001343 A1 WO2020001343 A1 WO 2020001343A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- reference signal
- threshold
- terminal device
- information
- network device
- 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
Links
Images
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/21—Control channels or signalling for resource management in the uplink direction of a wireless link, i.e. towards the network
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/06—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station
- H04B7/0613—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission
- H04B7/0615—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal
- H04B7/0619—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas at the transmitting station using simultaneous transmission of weighted versions of same signal using feedback from receiving side
- H04B7/0621—Feedback content
- H04B7/063—Parameters other than those covered in groups H04B7/0623 - H04B7/0634, e.g. channel matrix rank or transmit mode selection
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/046—Wireless resource allocation based on the type of the allocated resource the resource being in the space domain, e.g. beams
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
Definitions
- the present application relates to the field of wireless communication technologies, and in particular, to a communication method and device.
- the fifth generation mobile communication system uses a higher carrier frequency. Because the higher the carrier frequency, the more serious the fading of the wireless signal, so the beamforming (BF) technology is proposed in the fifth generation mobile communication system. Among them, using BF technology, a beam with good directivity can be obtained, the power of the wireless signal in the transmission direction can be improved, and the fading of the wireless signal can be resisted.
- BF beamforming
- a base station sends beam resource configuration information to a terminal device.
- the resource configuration information is used to inform the terminal device of the time-frequency domain resource position and period of the reference signal sent by the base station on different beams; the base station sends the reference signal on different beams according to the beam resource configuration information; the terminal device may A reference signal is received on the corresponding beam, and a beam quality measurement report is fed back to the base station according to the reference signals received on different beams, so that the base station learns the communication quality of the different beams.
- 3GPP 3rd Generation Partnership Project
- the present application provides a communication method and device to provide a scheme for a terminal device to feedback a beam quality measurement report.
- the present application provides a communication method, specifically: a terminal device receives a first reference signal from a first beam of a network device; and the terminal device determines the first reference signal according to a first threshold and the first reference signal. Availability of a beam; the terminal device sends first feedback information to a network device, the first feedback information includes at least first indication information, and the first indication information is used to indicate availability of the first beam.
- feeding back the first beam identifier and the received power of the first reference signal to the network device can reduce the air interface overhead and improve the physical uplink resource utilization.
- the present application provides a communication method, specifically: a terminal device receives a first reference signal from a first beam of a network device; and the terminal device determines the first reference signal according to a first threshold and the first reference signal. Availability of one beam; the terminal device sends first indication information to a network device, where the first indication information is used to indicate availability of the first beam.
- the availability of the direct feedback beam can reduce the air interface overhead and improve the physical uplink resource utilization rate compared to the way of feeding back the first beam identifier and the first reference signal received power.
- the first threshold in the first aspect and the second aspect may be determined by the terminal device, or may be determined by the network device, or may be prescribed in advance through a protocol, and then set on the terminal device and the network. Inside the device. In this example, if the first threshold is determined by the network device, the terminal device may receive first configuration information from the network device, where the first configuration information includes the first threshold. If the first threshold is determined by the terminal device, the terminal device may send second instruction information to the network device, the second instruction information carries the first threshold, and the second instruction information is not limited to being carried in the first feedback Information.
- the number of the first threshold is one or more; if the number of the first threshold is one, the number of the first indication information is one, and the number of the first indication information is The indication of the availability of the first beam under the decision criterion of the first threshold; or, if the number of the first threshold is multiple, the number of the first indication information is multiple, and each An indication information is used to indicate availability of the first beam under a decision criterion of a corresponding first threshold.
- the signaling format of the first feedback information is a media access control protocol data unit, and the media access control protocol data unit includes a control element, and the control element carries the control element.
- First indication information is uplink control information, and the uplink control information carries the first indication information.
- the terminal device may determine the availability of the first beam in the following manner: the terminal device determines a quality parameter associated with the first reference signal; if the quality parameter is greater than or equal to the quality parameter A first threshold, determining that the first beam is available; or, if the quality parameter is less than the first threshold, determining that the first beam is unavailable.
- the quality parameter includes one or more of the following: reference signal received power, reference signal received quality, reference signal received strength indication, signal to noise ratio, signal quality indication, rank indication, and precoding matrix indication.
- the terminal device may receive second configuration information from the network device, where the second configuration information is used to indicate a set of available beams, and the set of available beams may include one or more available beams.
- This application is not limited.
- the present application also provides a communication method, specifically: a network device generates a first reference signal, and the network device sends a first reference signal to a terminal device through a first beam; the network device receives a first reference signal from the terminal device. Feedback information, the first feedback information is determined according to the first reference signal and a first threshold, the first feedback information includes at least first indication information, and the first indication information is used to indicate the The availability of the first beam is described.
- the present application further provides a communication method, specifically: a network device generates a first reference signal, and the network device sends the first reference signal to the terminal device through the first beam; the network device receives the first reference signal from the terminal device.
- An indication information where the first indication information is used to indicate availability of a first beam, and the availability of the first beam is determined according to a first threshold and a first reference signal.
- the network device sends first configuration information to the terminal device, and the first configuration information includes the first threshold.
- the first feedback information further includes second indication information, and the second indication information is used to indicate the first threshold.
- the number of the first threshold is one or more; if the number of the first threshold is one, the number of the first indication information is one, and the first indication information is used for Indicating the availability of the first beam under the first threshold decision criterion; or, if the number of the first threshold is multiple, the number of the first indication information is multiple, and each first The indication information is used to indicate availability of the first beam under a decision criterion of a corresponding first threshold.
- the signaling format of the first feedback information is a media access control protocol data unit, and the media access control protocol data unit includes a control element, and the control element bears There is the first indication information; or, the signaling format of the first feedback information is uplink control information, and the uplink control information carries the first indication information.
- the network device may generate a set of available beams according to the first feedback information; the network device sends second configuration information to a terminal device, and the second configuration information is used for The set of available beams is indicated.
- the set of available beams may include one or more available beams.
- the present application provides a communication apparatus for a terminal device, including: a unit or a means for performing each step of the first aspect and the second aspect above.
- the communication device may include a receiving module, a processing module, and a sending module, where the receiving module may be used to receive a first reference signal from a first beam of a network device; the processing module may be used according to A first threshold and the first reference signal to determine availability of the first beam; a sending module may be configured to send first feedback information to a network device, where the first feedback information includes at least first indication information, and the The first indication information is used to indicate availability of the first beam.
- the communication device may include a receiving module, a processing module, and a sending module, wherein the receiving module is configured to receive a first reference signal from a first beam of a network device; the processing module is available Determining the availability of the first beam according to a first threshold and the first reference signal; and the transceiver module may be configured to send first indication information to a network device.
- the receiving module is further configured to receive first configuration information from a network device, where the first configuration information includes the first threshold.
- the first feedback information further includes second indication information, and the second indication information is used to indicate the first threshold.
- the number of the first threshold is one or more; if the number of the first threshold is one, the number of the first indication information is one, and the first indication The information is used to indicate the availability of the first beam under the first threshold decision criterion; or, if the number of the first threshold is multiple, the number of the first indication information is multiple, each The first indication information is used to indicate availability of the first beam under a decision criterion of a corresponding first threshold.
- the signaling format of the first feedback information is a media access control protocol data unit.
- the media access control protocol data unit includes a control element, and the control element carries a control element.
- the first indication information is a media access control protocol data unit.
- a signaling format of the first feedback information is uplink control information
- the uplink control information carries the first indication information
- the processing module is specifically configured to: determine a quality parameter associated with the first reference signal; and if the quality parameter is greater than or equal to the first threshold, determine the The first beam is available; or, if the quality parameter is less than the first threshold, it is determined that the first beam is unavailable.
- the quality parameter includes one or more of the following: reference signal received power, reference signal received quality, reference signal received strength indication, signal-to-interference and noise ratio, signal quality indication, and rank indication And a precoding matrix indication.
- the receiving module is further configured to receive second configuration information from a network device, where the second configuration information is used to indicate an available beam set.
- the present application provides a communication apparatus for a network device, including: a unit or a means for performing each step of the second aspect and the third aspect above.
- the communication device may include a processing module, a sending module, and a receiving module.
- the processing module may be used to generate a first reference signal.
- the sending module may be used to send the first reference signal to the terminal device through the first beam.
- the communication device may include a processing module, a sending module, and a receiving module.
- the processing module may be used to generate a first reference signal; the sending module may be used to send a The terminal device sends a first reference signal; the receiving module may be configured to receive first instruction information from the terminal device, where the first instruction information is used to indicate availability of the first beam.
- the sending module is further configured to send first configuration information to the terminal device, where the first configuration information includes the first threshold.
- the first feedback information further includes second indication information, and the second indication information is used to indicate the first threshold.
- the number of the first threshold is one or more; if the number of the first threshold is one, the number of the first indication information is one, and the first indication The information is used to indicate the availability of the first beam under the first threshold decision criterion; or, if the number of the first threshold is multiple, the number of the first indication information is multiple, each The first indication information is used to indicate availability of the first beam under a decision criterion of a corresponding first threshold.
- the signaling format of the first feedback information is a media access control protocol data unit.
- the media access control protocol data unit includes a control element, and the control element carries a control element.
- the first indication information is a media access control protocol data unit.
- a signaling format of the first feedback information is uplink control information
- the uplink control information carries the first indication information
- the processing module may be further configured to: generate an available beam set according to the first feedback information; and the sending module is further configured to send the second configuration information to the terminal device.
- the second configuration information is used to indicate the available beam set.
- the present application provides a communication device for a terminal device, including at least one processing element and at least one storage element, wherein the at least one storage element is used for storing programs and data, and the at least one processing element is used for Carry out the method provided in the first aspect or the second aspect of the present application.
- the present application provides a communication device for a network device, including at least one processing element and at least one storage element, wherein the at least one storage element is used for storing programs and data, and the at least one processing element is used for The method provided in the third or fourth aspect of the present application is implemented.
- the present application provides a communication device for a terminal device including at least one processing element (or chip) for performing the method in the first or second aspect above.
- the present application provides a communication device for a network device, including at least one processing element (or chip) for performing the method in the second or third aspect above.
- Each of the foregoing devices may be a network device or a terminal device, and may also be a chip or a functional module in the network device or the terminal device.
- the present application provides a program for executing a method in any of the above aspects when executed by a processor.
- the present application provides a program product, such as a computer-readable storage medium, including the program in any one of the above aspects.
- an embodiment of the present application provides a mobile communication system, and the mobile communication system includes a terminal device and a network device.
- FIG. 1 is a schematic diagram of a communication system according to an embodiment of the present application.
- FIG. 2 is a flowchart of a communication method according to an embodiment of the present application.
- FIG. 3 is a schematic diagram of a MAC PDU provided by an embodiment of the present application.
- FIG. 5 is a flowchart of a communication method according to an embodiment of the present application.
- FIG. 6 is a schematic diagram of a MAC CE provided in an embodiment of the present application.
- FIG. 7 is another flowchart of a communication method according to an embodiment of the present application.
- FIG. 8 is a schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 9 is another schematic structural diagram of a communication device according to an embodiment of the present application.
- FIG. 10 is a schematic structural diagram of a base station according to an embodiment of the present application.
- FIG. 11 is a schematic structural diagram of a terminal device according to an embodiment of the present application.
- FIG. 1 illustrates a communication system 100 according to an embodiment of the present application.
- the communication system 100 may include a network device 101 and a terminal device 102.
- the network device 101 can provide wireless access-related services to the terminal device 102, and realize one or more of the following functions: wireless physical layer functions, resource scheduling and wireless resource management, quality of service, Qos) management, wireless access control and mobility management functions.
- the terminal device 102 can access the network device 101 through an air interface.
- the network device 101 and the terminal device 102 may communicate through a beam.
- the network device 101 may send a first reference signal to the terminal device 102 through the first beam, and the terminal device 102 may send the first reference signal according to the first reference signal received on the first beam.
- a beam quality measurement report of the first beam is generated, and the terminal device 102 feeds back the beam quality measurement report of the first beam to the network device 101.
- the format of the beam quality measurement report of the first beam fed back by the terminal device 102 may be as follows ⁇ first beam identification, received power of the first reference signal ⁇ . It can be seen that the beam quality measurement report of the first beam fed back by the terminal device 102 includes two parts, namely the first beam identifier and the power of the first reference signal received on the first beam, and the air interface overhead is relatively large.
- the beam with the largest receiving power of the reference signal needs to occupy 7 bits, and the receiving power of the reference signal of the remaining 63 beams adopts a differential method, all occupying 4 bits.
- this application provides a communication method that can reduce the overhead of a beam quality measurement report fed back by a terminal device.
- the main principle is that when a terminal device receives a first reference signal through a first beam, The signal and the first threshold, determine the availability of the first beam, and then directly feedback the availability of the first beam to the network device. Compared with feeding back the received power of the first beam identifier and the first reference signal to the network device, the air interface overhead can be reduced.
- a beam is a communication resource.
- the beam can be a wide beam, a narrow beam, or other types of beams.
- the beam forming technology may be a beam forming technology or other technical means.
- the beamforming technology may be specifically a digital beamforming technology, an analog beamforming technology, a hybrid digital / analog beamforming technology, and the like.
- Different beams can be considered as different communication resources, and the same information or different information can be transmitted through different beams.
- multiple beams having the same or similar communication characteristics may be regarded as one beam, and one beam may include one or more antenna ports for transmitting data channels, control channels, sounding signals, and the like.
- a transmitting beam may refer to a signal intensity distribution in different directions of a space after a signal is transmitted through an antenna
- a receiving beam may refer to a signal intensity distribution of a wireless signal received from an antenna in different directions in space.
- one or more antenna ports forming a beam can also be regarded as an antenna port set.
- the beam can also be referred to as a spatial filer, and the transmit beam can also be referred to as a spatial domain filter. Beams can also be called airspace receive filters.
- Beam management resources refers to resources used for beam management, which can also be reflected as resources used to calculate and measure beam quality.
- the beam quality includes layer 1 received reference signal power (layer 1 reference received power (L1-RSRP)), layer 1 received reference signal quality (layer 1 received reference signal quality (L1-RSRQ), etc.).
- the beam management resource may include a synchronization signal (SS), a synchronization signal block (SSB), a synchronization broadcast signal block (SS / PBCH) block broadcast channel, a broadcast channel demodulation reference signal, and a tracking reference. Signal, downlink channel measurement reference signal, downlink control channel demodulation reference signal, downlink shared channel demodulation reference signal, uplink sounding reference signal, uplink random access signal, etc.
- Beam indication information used to indicate a beam used for transmission, including at least one of a transmission beam and a reception beam.
- the beam indication information may include a beam number, a beam management resource number, an uplink signal resource number, a downlink signal resource number, an absolute index of the beam, a relative index of the beam, a logical index of the beam, an index of the antenna port corresponding to the beam, and a beam corresponding Index of the antenna port group, index of the downlink signal corresponding to the beam, time index of the downlink synchronization signal block corresponding to the beam, beam pair link (BPL) information, beam corresponding transmission parameter (Tx parameter), beam corresponding Receive parameter (Rx parameter), beam corresponding transmission weight, beam corresponding weight matrix, beam corresponding weight vector, beam corresponding receiving weight, beam corresponding transmission weight index, beam corresponding weight matrix index, beam corresponding At least one of an index of a weight vector, an index of a receiving weight corresponding to a beam, a receiving codebook corresponding to a beam, a transmitting
- the uplink signal includes any one of a mid-uplink random access sequence, an uplink sounding reference signal, an uplink control channel demodulation reference signal, an uplink data channel demodulation reference signal, and an uplink phase noise tracking signal.
- the network device may also assign a QCL identifier to a beam having a QCL relationship among the beams associated with the frequency resource group.
- the beam can also be called a spatial domain transmission filter
- the transmitting beam can also be called a spatial domain transmitting filter
- the receiving beam can also be called a spatial domain receiving filter.
- the beam indication information may also be embodied as a transmission configuration number (TCI).
- TCI may include various parameters, such as a cell number, a bandwidth part number, a reference signal identifier, a synchronization signal block identifier, a QCL type, and the like.
- a network device may be a device that connects a terminal device to a wireless network in a network.
- the network device is a node in a radio access network, and may also be called a base station, and may also be called a radio access network (RAN) node (or device).
- RAN radio access network
- some examples of network equipment are: gNB, transmission reception point (TRP), evolved Node B (eNB), radio network controller (RNC), and node B (Node B, NB), base station controller (BSC), base transceiver station (BTS), home base station (e.g., home NodeB, or home NodeB, HNB), baseband unit , BBU), or wireless fidelity (Wifi) access point (access point, AP), etc.
- TRP transmission reception point
- eNB evolved Node B
- RNC radio network controller
- Node B, NB node B
- BSC base station controller
- BTS base transceiver station
- home base station e.g.
- the network device may include a centralized unit (CU) node and a distributed unit (DU) node.
- CU centralized unit
- DU distributed unit
- This structure separates the protocol layer of the eNB in a long term evolution (LTE) system. Some protocol layer functions are centrally controlled by the CU. The remaining part or all of the protocol layer functions are distributed in the DU. Centralized control of DU.
- LTE long term evolution
- Terminal equipment also known as user equipment (UE), mobile station (MS), mobile terminal (MT), etc.
- UE user equipment
- MS mobile station
- MT mobile terminal
- terminals are: mobile phones, tablet computers, laptops, handheld computers, mobile internet devices (MID), wearable devices, virtual reality (VR) devices, and augmented reality (augmented reality) equipment, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, and smart grids Wireless terminals, wireless terminals in transportation safety, wireless terminals in smart cities, wireless terminals in smart homes, and the like.
- MID mobile internet devices
- VR virtual reality
- augmented reality augmented reality
- the communication system can be a variety of radio access technology (RAT) systems, such as code division multiple access (CDMA), time division multiple access (TDMA), frequency Frequency division multiple access (FDMA), orthogonal frequency division multiple access (OFDMA), single carrier frequency division multiple access (FDMA, SC-FDMA), and other systems.
- RAT radio access technology
- CDMA code division multiple access
- TDMA time division multiple access
- FDMA frequency Frequency division multiple access
- OFDMA orthogonal frequency division multiple access
- FDMA single carrier frequency division multiple access
- SC-FDMA single carrier frequency division multiple access
- FDMA single carrier frequency division multiple access
- a CDMA system can implement wireless technologies such as universal wireless terrestrial access (UTRA), CDMA2000, and the like.
- UTRA may include Wideband CDMA (WCDMA) technology and other CDMA variant technologies.
- CDMA2000 can cover the Interim Standard (IS) 2000 (IS-2000), IS-95 and IS-856 standards.
- the TDMA system can implement wireless technologies such as the Global
- OFDMA system can implement e.g. evolved universal UTRA (E-UTRA), ultra mobile broadband (UMB), IEEE 802.11 (Wi-Fi), IEEE 802.16 (WiMAX), IEEE 802.20, Flash OFDMA And other wireless technologies.
- E-UTRA evolved universal UTRA
- UMB ultra mobile broadband
- IEEE 802.11 Wi-Fi
- IEEE 802.16 WiMAX
- IEEE 802.20 Flash OFDMA
- Flash OFDMA Flash OFDMA
- UTRA and E-UTRA are UMTS and UMTS evolved versions.
- 3GPP is a new version of UMTS using E-UTRA in long term evolution (LTE) and various versions based on LTE evolution.
- LTE long term evolution
- the communication system can also be applied to future-oriented communication technologies.
- the system architecture and service scenarios described in the embodiments of the present application are intended to more clearly illustrate the technical solutions of the embodiments of the present application, and do not constitute a limitation on the technical solutions provided in the embodiments of the present application.
- this application provides a flow of a communication method.
- the communication method is mainly used for downlink beam management of a downlink reference signal.
- the first reference signal may specifically be a downlink reference signal.
- the first beam may be specifically a downlink beam
- the execution subject of steps S201 and S205 may be the network device 101 in the communication system 100 shown in FIG. 1, or a device that implements steps S201 and S205 for a network device,
- a chip or a chip system in the embodiment of the present application, the execution subject of steps S201 and S205 is a network device as an example for description.
- Steps S202 to S204 may be executed by the terminal device 102 in the communication system 100 shown in FIG. 1, or may be a device that supports the terminal device to implement steps S202 to S204, such as a chip or a chip system.
- a terminal device is used as an example for description in steps S202 to S204.
- Step S201 The network device sends a first reference signal through a first beam.
- the first reference signal may be any one or more of the following signals: channel status information reference signal (CSI-RS), synchronization signal, broadcast channel, and broadcast signal Demodulated signal, cell-specific reference signal (CS-RS), UE-specific reference signal (US-RS), tracking reference signal (TRS), downlink control channel solution Modulation reference signal, downlink data channel demodulation reference signal, and downlink phase noise tracking signal.
- CSI-RS channel status information reference signal
- CS-RS cell-specific reference signal
- US-RS UE-specific reference signal
- TRS tracking reference signal
- downlink control channel solution Modulation reference signal downlink data channel demodulation reference signal
- downlink phase noise tracking signal downlink phase noise tracking signal
- Step S202 The terminal device receives the first reference signal through the first beam.
- Step S203 The terminal device determines availability of the first beam according to a first threshold and a first reference signal.
- the first threshold may be preset in the terminal device and the network device and is set in the terminal device. Alternatively, the first threshold may be determined by the terminal device and then notified to the network device. Alternatively, the first threshold is notified to the terminal device after the network device is determined.
- the terminal device may carry the first threshold in the capability report information of the terminal device, or carry the first threshold in uplink control information (UCI), or The first threshold is carried in a medium access control element (MAC), and then transmitted through an uplink control channel or an uplink data channel.
- UCI uplink control information
- MAC medium access control element
- the manner of determining the first beamability availability according to the first threshold and the first reference signal may include, but is not limited to, the following example manners:
- Example 1 A terminal device determines a quality parameter associated with a first reference signal, and determines that the first beam is available if the quality parameter is greater than or equal to the first threshold; or, if the quality parameter is less than the first A threshold, determining that the first beam is unavailable.
- Example 2 The terminal device determines a quality parameter associated with the first reference signal, and determines that the first beam is available if the quality parameter is greater than a first threshold; or, if the quality parameter is less than or equal to the first threshold, determines The first beam is unavailable.
- the quality parameter associated with the first reference signal may include one or more of the following: reference signal received power (reference received power (RSRP), reference signal received quality (reference signal) received quality (RSRQ), received signal strength indicator (RSSI), signal-to-interference and noise ratio (SINR), channel quality indicator (CQI), rank indicator (rank indicator (RI), precoding matrix indicator (PMI), and block error rate (BLER).
- RSRP reference signal received power
- RSRQ received signal received quality
- RSSI received signal strength indicator
- SINR signal-to-interference and noise ratio
- CQI channel quality indicator
- rank indicator rank indicator
- PMI precoding matrix indicator
- BLER block error rate
- one or more of the above quality parameters may be configured to a terminal device and a network device by using a network device configuration or a protocol pre-defined manner, for calculating the availability of the beam.
- the measured quality parameter or the first threshold may be scaled according to the first reference signal transmission power.
- the first threshold is set according to a reference with a transmission power of X dBm, and the transmission power of the first reference signal is X + y dBm.
- the measured quality parameter may be lowered by a value related to y and compared with a first threshold, or the measured quality parameter may be compared with a first threshold after increasing a value related to y.
- the first threshold may be related to at least one of the following thresholds: a beam failure judgment threshold, an alternative beam threshold, a link failure threshold (out-of-sync), a link synchronization threshold (in-sync), and a cell retry Select event judgment threshold.
- the first threshold may be different for different beam management resources.
- the first threshold when the beam management resource is CSI-RS, the first threshold is a; when the beam management resource is SSB, the first threshold is b.
- the terminal device may receive the first The reference signal is then measured to obtain the reference signal received power of the first reference signal, the reference signal received quality of the first reference signal, or the reference signal received strength indication of the first reference signal.
- the first threshold is set by using the reference signal received power as a unit of measurement.
- the terminal device measures the first reference signal to obtain the reference signal reception quality of the first reference signal
- the first threshold is set by using the reference signal reception quality as a unit of measurement. If the terminal device measures the first reference signal, the first reference signal is obtained. The reference signal receiving strength indication of the reference signal, then the first threshold is set with the reference signal receiving strength indication as a unit of measurement.
- the terminal device may receive the first reference signal, and The first reference signal is measured to obtain the reference signal received power or the received quality of the first reference signal, and then the reference signal received power or the received quality of the reference signal is measured.
- the terminal device measures the first reference signal to obtain the reference signal received power of the first reference signal, it may measure the reference signal received power of the first reference signal, and obtain the reference signal received power indication of the first reference signal.
- the first threshold is set by using the reference signal receiving power indication as a unit of measurement.
- the terminal device measures the first reference signal to obtain the reference signal reception quality of the first reference signal
- the first reference signal may be measured.
- the received quality of the reference signal is measured to obtain a reference signal reception quality indication of the first reference signal.
- the first threshold is set by using the reference signal reception quality indication as a unit of measurement.
- the terminal device may receive the first reference signal, measure the first reference signal, and obtain The strength of the first reference signal and the strength of the interference signal, and then based on the strength of the first reference signal and the strength of the interference signal, a signal-to-noise-to-noise ratio is obtained.
- the first threshold is set by using the signal-to-noise and noise ratio as a unit of measure of.
- the terminal device when the quality parameter associated with the first reference signal is a channel quality indicator (CQI), a rank indicator (RI), and a precoding matrix indicator (PMI) ) And block error rate (BLER), the terminal device can measure channel quality, and obtain channel quality indication, rank indication, precoding matrix indication, or block error rate. For example, if the terminal device measures the channel quality and obtains the channel quality indication, the first threshold is set by using the channel quality indicator as a unit of measurement. Similarly, if the terminal device measures the channel quality and obtains the rank indication, the The first threshold is set by using the rank indication as a unit of measurement.
- CQI channel quality indicator
- RI rank indicator
- PMI precoding matrix indicator
- BLER block error rate
- the first threshold is set by using the precoding matrix indicator as a unit of measurement. Perform measurement to obtain a block error rate, and the first threshold is set in a unit of measurement of the block error rate.
- Step S204 The terminal device sends first feedback information, and the first feedback information may include first indication information, where the first indication information is used to indicate availability of the first beam.
- the terminal device may use a second beam matching the first beam to send the first feedback information, and the matching relationship between the first beam and the second beam is pre-configured to the
- the second beam is the same as or different from the first beam.
- the correspondence between the first beam and the second beam is not limited.
- the terminal device may carry the first feedback information in the information reported by the UE capability, or carry the first feedback in uplink control information (UCI), or the first feedback information
- UCI uplink control information
- a feedback message is carried in a medium access control element (MAC, CE), and then transmitted through an uplink control channel or an uplink data channel. In the embodiment of the present application, it is not limited to the manner of sending the first feedback information.
- the first indication information is a first value
- the first beam may be indicated as available
- the first indication information is a second value
- the first beam may be indicated as unavailable.
- the first value is different from the second value.
- the first value and the second value may be represented by one binary bit or multiple binary bits, for example, binary bit 0 may be used to indicate that the first beam is unavailable, and binary bit 1 may be used to indicate that the first beam is available, or available. Binary bit 1 indicates that the first beam is unavailable, and available binary bit 0 indicates that the first beam is available.
- the signaling format of the first feedback information may be a medium access control protocol data unit (MAC PDU), and the MAC PDU may include a control element (control element). , CE), the CE may carry the first indication information.
- MAC PDU medium access control protocol data unit
- CE control element
- a MAC PDU may include one or more media access control sub-protocol data units (MAC subPDUs), and each MAC sub PDU includes a packet header (subheader) and a MAC CE, where The MAC CE can be fixed-sized or variable-sized.
- MAC CE may include n MAC subPDUs, namely MAC subPDU1, MAC subPDU1, and so on, and so on, and so on until MAC subPDU1.
- the MAC sub-PDU1 may include a message header and the MAC CE1, and the MAC CE1 may be a fixed length
- the MAC sub-PDU2 may include a packet header and the MAC CE2
- the MAC CE2 may be variable-length
- the MAC sub-PDUn may include a packet header and a MAC CEn, and the MAC CEn is variable in length.
- the signaling format of the first feedback information may be uplink control information (uplink control information) (UCI), and the UCI may carry first indication information.
- uplink control information uplink control information
- the availability of a total of 64 beams is fed back, and the availability of each beam is represented by a 1-bit binary. Then, a 64-bit fixed-length UCI can be set. In the 64-bit fixed-length UCI, Each bit represents the availability of a beam.
- Step S205 The network device receives the first feedback information.
- the beam quality measurement report of the first beam fed back by the terminal device includes only the first indication, and the first indication is used to indicate the availability of the first beam.
- the beam quality measurement report of the first beam includes the identifier of the first beam and the received power of the first reference signal, which can reduce the air interface overhead and improve the air interface utilization.
- the method may further include:
- Step S206 The network device sends second configuration information, where the second configuration information is used to indicate an available beam set or a beam management resource set.
- Step S207 The terminal device receives the second configuration information.
- the network device may use the received first feedback information to generate an available beam set or beam management resource set of the terminal device, and then use the second configuration information to manage the available beam set or beam management of the terminal device.
- the available beam set or beam management resource set may include one or more available beams.
- a terminal device may feedback the availability of a beam to a network device every time the availability of a beam is measured, and the network device may configure the availability of the beam to the terminal device, and accordingly, the available beam set Includes an available beam.
- the terminal device after measuring the availability of multiple beams, the terminal device can feedback the availability of multiple beams to the network device together, and the network device can configure the availability of multiple beams to the terminal device.
- the available beam set may include multiple available beams.
- the network device receives four pieces of first feedback information, and the four pieces of first feedback information are used to indicate that the first beam is available, the second beam is unavailable, the third beam is available, and the fourth beam is unavailable.
- the set of available beams of the terminal device may include ⁇ first beam, third beam ⁇ , and similarly, the set of beam management resources of the terminal device may also include ⁇ first beam, third beam ⁇ .
- the terminal device may recover the beam failure by using the beam in the available beam set.
- the available beam set of the terminal device includes ⁇ first beam, third beam ⁇ .
- the terminal device may select the first beam or the third beam from the available beam set. The three-beam recovery of the beam failure, compared with the selection of the beam without any reference by the terminal device for the recovery of the failure, can improve the success rate of failure recovery.
- the terminal device may select a beam in the beam management resource set to monitor and measure, and relative to the terminal device, all beams (including unavailable (Beam) monitoring and measurement can reduce power consumption on the terminal device side and reduce the complexity of implementation on the terminal device side.
- all beams including unavailable (Beam) monitoring and measurement can reduce power consumption on the terminal device side and reduce the complexity of implementation on the terminal device side.
- the network device may configure the available beam set or beam management resource set for the terminal device based on the second configuration information. Compared with the network device, there is no reference for configuring the available beam set or beam management resource set for the terminal device. It can improve the utilization of uplink resources and reduce the burden of terminal equipment detection signals.
- the process shown in FIG. 2 described above may further include:
- Step S208 The network device sends third configuration information to other terminal devices, where the third configuration information is used to indicate an unavailable beam set of the terminal device.
- Step S209 The other terminal equipment may receive the third configuration information.
- the network device may receive the four first feedback information fed back by the terminal device 1, and generate an unavailable beam set of the terminal device 1.
- the terminal device 1 sends the four first feedback information to the network device.
- the four first feedback information are used to indicate that for the terminal device 1, the first beam is available, the second beam is unavailable, the third beam is available, and the fourth beam is unavailable.
- the network device may generate the unavailability of the terminal device 1.
- the network device can feedback the unavailable beam set ⁇ second beam, fourth beam ⁇ of the terminal device 1 to the terminal device 2 to notify the terminal device 2 that the terminal can be used.
- the unavailable beam set of the device 1 performs communication without causing interference to the terminal device 1.
- step S206 may perform step S206 and then step S208, and a network device may also perform step In step S208, step S206 is performed again, which is not limited in this application.
- this application provides a flow of a communication method, which is mainly used for downlink beam management of a downlink reference signal.
- the first reference signal may be specifically a downlink reference signal.
- the first beam may be specifically a downlink beam
- the execution subject of steps S401 and S405 may be the network device 101 in the communication system 100 shown in FIG. 1, or a device for implementing steps S401 and S405 for supporting network devices.
- a chip or a chip system in the embodiment of the present application, the execution subject of steps S401 and S405 is a network device as an example for description.
- Step S402 to step S404 may be performed by the terminal device 102 in the communication system 100 shown in FIG. 1, or a device that supports the terminal device to implement steps S402 to S404, such as a chip or a chip system.
- a terminal device is used as an example for description in steps S402 to S404.
- Step S401 The network device sends a first reference signal through a first beam.
- Step S402 The terminal device receives the first reference signal through the first beam.
- Step S403 The terminal device determines the availability of the first beam according to the first threshold and the first reference signal.
- Step S404 The terminal device sends first indication information, where the first indication information is used to indicate availability of the first beam.
- Step S405 The network device receives the first instruction information.
- the method may further include:
- Step S406 The network device sends second configuration information, where the second configuration information is used to indicate an available beam set.
- Step S407 The terminal device receives the second configuration information.
- the method may further include:
- Step S408 The network device sends third configuration information, where the third configuration information is used to indicate the unavailable beam set of the terminal device.
- Step S409 The other terminal equipment receives the third configuration information.
- step S406 the network device may perform step S406 first, and then step S408, and the network device may also perform step first.
- step S406 step S406 is performed again, which is not limited in this application.
- the first threshold in FIG. 2 and FIG. 4 described above may be determined by the terminal device, or may be determined by the network device, and then notified to the terminal device, or through a protocol Pre-defined and then set in network equipment and terminal equipment.
- the processes shown in FIG. 2 and FIG. 4 may further include: the network device sends the first configuration information to the terminal The device, correspondingly, the terminal device receives the first configuration information sent by the network device, and the first configuration information may include the first threshold.
- the specific positions of the above steps are not limited. For example, the above steps may be located before step S201 or step S401.
- the terminal device needs to notify the network device of the first threshold.
- the first feedback information in the above step S204 may further include second instruction information, where the second instruction information is used to indicate the first threshold.
- the process shown in FIG. 4 may further include: the terminal device sends the second instruction information to the network device, and accordingly, the network device receives the second instruction, and the second instruction information is used to indicate the The first threshold is described.
- the number of the first thresholds is not limited, and the number of the first thresholds may be one or more.
- the number of the first thresholds may be one.
- FIG. 2 or FIG. 4 described above The number of first indication information in is one, and the first indication information is used to indicate the availability of the first beam under the above-mentioned determination criterion of a first threshold.
- the number of the first thresholds may be multiple, and accordingly, the number of the first indication information in FIG. 2 or FIG.
- each first indication information is used to indicate Under the judgment criterion, the availability of the first beam, and accordingly, the network device may perform a corresponding operation after receiving multiple first indication information, for example, when multiple first indication information indicates that the first beam is available, execute Operation A: When part of the plurality of first indication information indicates that the first beam is available, perform operation B; and when all of the plurality of first indication information indicates that the first beam is unavailable, perform operation C.
- the first indication information may include N, and the serial numbers are 1 to N. Then, the network device may perform the first operation when the indication information with the serial number 1 indicates that the first beam is available, and the network device may perform the first instruction with the serial number 2.
- the information indicates the availability of the first beam, and a second operation is performed, and so on.
- the N information may be used to indicate the availability of the first beam, and the Nth operation is performed.
- the number of the first thresholds is two for illustration.
- the number of the first threshold is two, which are the first threshold A and the first threshold B, and the first beam is available under the judgment of the first threshold A, and the first beam is not available under the judgment of the first threshold B.
- the terminal device may generate first indication information A and first indication information B.
- the first indication information A is used to indicate that under the judgment of the first threshold A, the first beam is available and the first indication information B is used.
- the first beam is unavailable under the judgment of the first threshold B.
- the network device may perform corresponding operations, for example, perform the foregoing operation B and the like.
- this application also provides a flow of a communication method.
- the first reference signal is a CSI resource set as an example, and the flow shown in FIG. 2 or FIG. 4 is described in detail. , Which can include:
- Step S501 The network device sends the first configuration information.
- the network device may send the first configuration information in whole or in part through one or more types of signaling.
- a network device may use downlink resources or channels such as broadcast channels, system messages, system message updates, paging messages, downlink control channels, downlink data channels, or downlink shared channels, through radio resource control (RRC) signaling. , MAC-CE, or DCI, and sends the first configuration information to the terminal device.
- RRC radio resource control
- the first configuration information may include the following content: configuration information of a reference signal, configuration information of a beam availability threshold, and configuration information of feedback beam availability.
- configuration information of a reference signal may include the following content: configuration information of a reference signal, configuration information of a beam availability threshold, and configuration information of feedback beam availability.
- the configuration information of the reference signal may include configuration information of a CSI resource set, and the CSI resource set may include one or more CSI-RSs.
- the configuration information of the CSI resource set may include:
- An identifier of each reference signal such as a CSI-RS resource ID, a synchronization channel number index (SSB index), and the like.
- Information about each CSI-RS resource such as time-frequency resource location, port number, period, and offset.
- the code of a reference signal configuration method may be as follows:
- a resource set ID may be assigned to each CSI resource set, and each CSI resource set may include one or more resources. Each resource is also provided with its own identifier. The number of resources is the largest number of non-zero power CSI-RS resources in a CSI-RS resource set (maxNrofNZP-CSI-RS-ResourcesPerSet).
- Configuration information for beam availability threshold :
- one or more thresholds may be configured for the terminal device, and the threshold may be one or more of RSRP, RSRQ, RSSI, SINR, and CQI as metrics.
- the threshold may be one or more of RSRP, RSRQ, RSSI, SINR, and CQI as metrics.
- at least one threshold is related to a threshold for restoring the configuration of the beam failure.
- the configuration information of the feedback beam availability may include the content and format of the report of the feedback beam availability, and the resource configuration of the uplink.
- the content of the third part will be described in detail in step S505.
- Step S502 The terminal device receives the first configuration information.
- Step S503 The network device sends a reference signal according to the configuration information of the reference signal in the first configuration information.
- Step S504 The terminal device receives the reference signal and measures the reference signal according to the configuration information of the reference signal in the first configuration information.
- the beam quality can be determined by measuring the reference signal, and the beam quality can be fed back through one or more of the following parameters: BLER, RSRP, RSRQ, RSSI, SINR, CQI, PMI, etc. .
- the network device may also determine the measurement method of the reference signal. For example, if the network device requires the terminal device to report RSRP, the terminal device may only measure the RSRP of the terminal device.
- Step S505 The terminal device feeds back a beam availability message.
- the terminal device may feedback the availability of each beam through one binary bit. For example, when the quality of the beam meets the beam availability threshold, it may be marked as 1. When the quality of the beam does not meet the beam availability threshold , Can be identified as 0.
- the order of the CSI-RS identifiers from large to small is 1, 4, 6, 9, 13, 15, 24, and 63, respectively.
- the resource identified by 1,9,13,63, the UE measurement meets the threshold the UE can feedback an 8-bit bitmap ⁇ 10011001 ⁇ , and the information fed back by the UE indicates that in the order of the resource identifier from small to large, the first, fourth, and fifth , 8 resources meet the threshold.
- the signaling format of the terminal device feedback beam availability may be MAC-CE or DCI.
- the MAC PDU may include a packet header and an MCE-CE.
- the packet header may be exemplarily referred to as a beam availability report.
- One resource set includes 64 CSI-RSs, that is, when the availability of 64 beams is tested at one time, an exemplary MAC-CE can be shown in FIG. 6.
- the MAC-CE can include 8 Octs. One Oct is One byte, including 8 bits, a small square in Figure 4 represents one bit, which represents the availability of a beam.
- the MAC-CE shown in FIG. 6 may be a 64-bit MAC CE with a certain length, and the value of C may be 1 or 0.
- the subscript of C indicates the resource identifiers sorted from small to large in the resource set.
- the signaling format of the UE feedback beam availability may be UCI, and the UCI may be fixed-length or variable-length. Take a 64-bit fixed-length UCI as an example.
- the first bit indicates the first resource identifier in the resource set in ascending order. When the beam quality corresponding to the identifier meets the threshold, the value is 1.
- the second bit is Represents the second resource identifier in the resource set in ascending order, and when the beam quality corresponding to the identifier does not meet the threshold, the value is 0, and so on, up to the 64th bit.
- the beam reporting of the terminal device may be combined with the following manner.
- one way of reporting beam quality is ⁇ beam # 1 identification, RSRP for beam # 1 ⁇ .
- the 64-bit bitmap in the embodiment of the present application can feedback the correlation between other beams and beam # 1. For example, "1" indicates high correlation with beam # 1, and "0" indicates low correlation with beam # 1.
- the 64-bit bitmap in the embodiment of the present application can feedback the interference degree of other beams on beam # 1. For example, "1" indicates high interference to beam # 1, and "0" indicates low interference to beam # 1.
- Other examples include whether the beam and beam # 1 are suitable for forming a multi-beam transmission channel, and whether the beam and beam # 1 are suitable for forming a highly robust transmission combination.
- the above method can also be naturally extended to a case where a terminal device reports multiple beams through an existing reporting method, for example, the UE reports ⁇ beam # 1 + beam # 1's L1-RSRP ⁇ ⁇ beam # 2 + beam # 2 and Differential L1-RSRP for beam # 1 ⁇ .
- the 64-bit bitmap of this embodiment can be naturally extended to two 64-bit bitmaps, which respectively correspond to the situations of beam # 1 and beam # 2. These two bitmaps can be reported in groups or in multiple reports.
- the terminal device may feedback the availability of each beam through M bits. If there are M beam availability thresholds configured in 501, each bit can correspond to a threshold. For example, when there are two thresholds, each beam can feedback two bits. The first bit indicates whether the beam quality meets the first threshold. The second bit indicates whether the beam quality satisfies a second threshold.
- the terminal device may feedback the availability of each beam through M bits.
- the division of the interval can be based on the absolute beam quality.
- RSRP ranges from -100 dBm to -50 dBm for interval 1, and -150 dBm to -100 dBm for interval 2. It can also be based on the relative beam quality. For example, a difference of 0 dB to 10 dB from the strongest beam is interval 1, and a difference of 10 dB to 20 dB from the strongest beam is interval 2.
- the length of the bitmap can be the size of the resource set, or the maximum allowed number of resources in the resource set, such as 64.
- the length of the bitmap can be the size of the resource set * M, or the maximum allowed number of resources in the resource set * M.
- the order of the resource identifiers corresponding to each bit in the bitmap is configurable, for example, from small to large or from large to small.
- the full name implemented in this application is not limited to the availability of the bitmap feedback beam, and an explicit resource identification number or a logical resource identification number may be used to feedback the availability of the beam.
- Step S506 The network device receives a beam availability message.
- the network device may update the configuration, thereby using resources more reasonably.
- the network device may configure all or part of the available resources of the terminal device (for example, resources with a feedback of 1) as a new beam management resource set.
- the network device may not configure unavailable resources (for example, resources with a feedback of 0) to a new beam management resource set.
- the network device may configure all or part of the available resources (for example, resources with a feedback of 1) as the resource set of the new available beam.
- the network device may not configure an unavailable resource (for example, a resource with a feedback of 0) to the resource set of the new available beam.
- an unavailable resource for example, a resource with a feedback of 0
- the network device may configure all or part of the available resources (for example, resources with a feedback of 1) as a set of beam indicators (for example, TCI).
- resources with a feedback of 1 for example, resources with a feedback of 1
- beam indicators for example, TCI
- the network device may not configure unavailable resources (for example, resources with a feedback of 0) to a set of beam indications (for example, TCI).
- unavailable resources for example, resources with a feedback of 0
- a set of beam indications for example, TCI
- the network may use unavailable resources of the terminal device (for example, resources with a feedback of 0) to serve other terminal devices, so as not to cause interference to the terminal devices.
- unavailable resources of the terminal device for example, resources with a feedback of 0
- the availability of each beam can be fed back at a low cost, providing more information on the network device side, which is beneficial to the network device side to reasonably configure the beam-related resources.
- This application also provides a flow of a communication method.
- the communication method is mainly used for uplink beam management of uplink reference signals.
- the first reference signal may specifically be an uplink reference.
- the first beam may specifically be an uplink beam
- steps S701, S705, and S707 may be performed by the terminal device 102 in the communication system 100 shown in FIG. 1, or steps S701 and steps may be implemented to support the terminal device.
- the devices of S705 and step S707, such as a chip or a chip system, are described in the embodiment of the present application by taking the execution subject of steps S701, S705, and S707 as a terminal device as an example.
- Step S702, step S703, step S704, and step S706 can be performed by the network device 102 in the communication system 100 shown in FIG. , Such as a chip or chip system.
- the execution subject of steps S702, S703, S704, and S706 is described as an example.
- Step S701 The terminal device sends a first reference signal through a first beam.
- the description of the first reference signal may be described in detail in the embodiment shown in FIG. 2, and details are not described herein again.
- Step S702 The network device receives the first reference signal through the first beam.
- Step S703 The network device determines the availability of the first beam according to the first threshold and the first reference signal.
- Step S704 The network device sends first feedback information, and the first feedback information may include first indication information, where the first indication information is used to indicate availability of the first beam.
- Step S705 The terminal device receives the first feedback information.
- step S704 can also be replaced with step S706, and step S705 can also be replaced with step S707.
- Step S706 The network device sends first indication information, where the first indication information is used to indicate availability of the first beam.
- Step S707 The terminal device receives the first instruction information.
- step S703 regarding how the network device determines the availability of the first beam according to the first threshold and the first reference signal in step S703, refer to the description of step S203 in FIG. 2 described above.
- step S704 how the network device sends the first beam.
- a feedback message refer to the description of step S204 in FIG. 2 described above.
- step S706 how the network device sends the first instruction information may refer to step S404 in FIG. 4 described above, and details are not described herein again.
- the air interface overhead can be reduced.
- the present application further provides a communication device 800, which may include a transceiver unit 801 and a processing unit 802.
- the communication device 800 may be applied to a terminal device, and the transceiver unit 801 may be configured to execute the steps shown in steps S202 and S204 in the process shown in FIG. 2, and the processing unit 802 is configured to execute the above.
- the transceiver unit 801 may be configured to receive a first reference signal from a first beam of a network device, and the processing unit 802 may be configured to determine the availability of the first beam according to a first threshold and the first reference signal.
- the transceiver unit 801 may be further configured to send first feedback information to the network device, where the first feedback information includes at least first indication information, and the first indication information is used to indicate availability of the first beam.
- the communication device 800 may be used for a terminal device, and the transceiver unit 801 may be used to execute steps S402 and S404 in the process shown in FIG. 4, and the processing unit 802 is used to execute Step shown in step S403.
- the transceiver unit 801 may be configured to receive a first reference signal from a first beam of a network device, and the processing unit 802 may be configured to determine the availability of the first beam according to a first threshold and the first reference signal.
- the transceiver unit 801 is further configured to send the first instruction information to the network device.
- the communication device 800 may be applied to a network device, and the transceiver unit 801 may be configured to execute the steps shown in steps S201 and S205 in the process shown in FIG. 2.
- the processing unit 802 is configured to: The step of generating a first reference signal is performed.
- the processing unit 802 may be configured to generate a first reference signal
- the transceiver unit 801 may be configured to send a first reference signal to a terminal device through a first beam, and receive first feedback information from the terminal device.
- the first feedback information is determined according to the first reference signal and a first threshold.
- the first feedback information includes at least first indication information, and the first indication information is used to indicate availability of the first beam. .
- the communication device 800 may be applied to a network device, and the transceiver unit 801 may be configured to execute the steps shown in step S401 and step S405 in the process shown in FIG. 4.
- the processing unit 802 is configured to: The step of generating a first reference signal is performed.
- the processing unit 802 may generate a first reference signal, and the transceiver unit 802 may be configured to send the first reference signal to the terminal device through the first beam, and receive the first instruction information from the terminal device.
- the indication information is used to indicate availability of the first beam.
- an embodiment of the present application further provides a communication device 900.
- the communication device 900 may correspond to a network device in the foregoing method, or may correspond to a terminal device in the foregoing method. Be limited.
- the communication device 900 may include a processor 910 and a memory 920. Further, the apparatus may further include a receiver 940 and a transmitter 950. Still further, the apparatus 900 may further include a bus system 930.
- the processor 910, the memory 920, the receiver 940, and the transmitter 950 may be connected through a bus system 930.
- the memory 920 is used to store instructions.
- the processor 910 is used to execute instructions stored in the memory 920 to control the receiver 940. Receive the signal, and control the transmitter 950 to send the signal to complete the steps of network equipment or terminal childcare in the above method.
- the receiver 940 and the transmitter 950 may be the same or different physical entities, or may be the same physical entity, and may be collectively referred to as a transceiver.
- the memory 920 may be integrated in the processor 910, or may be provided separately from the processor 910.
- the functions of the receiver 940 and the transmitter 950 may be considered to be implemented through a transceiver circuit or a dedicated chip for transceiver.
- the processor 910 may be implemented by a dedicated processing chip, a processing circuit, a processor, or a general-purpose chip.
- a program agent that is to implement the functions of the processor 910, the receiver 940, and the transmitter 950 is stored in a memory, and the general-purpose processor implements the functions of the processor 910, the receiver 940, and the transmitter 950 by executing code in the memory.
- the communication device 900 may be applied to a terminal device, and the communication device 900 may be used to execute the steps in the process shown in FIG. 2 or FIG. 4 above, with the terminal device as an execution subject, such as a receiver.
- 940 may receive a first reference signal from a first beam of network equipment.
- the processor 910 is configured to determine availability of the first beam according to the first threshold and the first reference signal.
- the transmitter 950 is configured to send first feedback information to the network device, where the first feedback information includes first indication information, and the first indication information is used to indicate availability of the first beam.
- the communication device 900 may be applied to a network device, and the communication device 900 may be configured to perform the steps in the process shown in FIG. 2 or FIG. 4 above, using the network device as an execution subject, such as sending
- the receiver 950 may send a first reference signal to the terminal device through the first beam; the receiver 940 may receive first feedback information from the terminal device, where the first feedback information is based on the first reference signal and the first Determined by a threshold, the first feedback information includes at least first indication information, and the first indication information is used to indicate availability of the first beam.
- the present application also provides a schematic structural diagram of a network device, such as a base station.
- the base station may be applied to the scenario of the communication system shown in FIG. 1, and the base station may be a network device shown in FIG. 2, FIG. 4, FIG. 5, or FIG. 7.
- the base station may be used to execute the steps shown in FIG. 2, FIG. 4, FIG. 5, or FIG. 7, with the network device as an execution subject.
- the base station 1000 may include one or more radio frequency units, such as a remote radio unit (RRU) 1001 and one or more baseband units (BBU) (also referred to as a digital unit, digital unit). , DU) 1002.
- RRU remote radio unit
- BBU baseband units
- DU digital unit
- the RRU 1001 may be a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc., which may include at least one antenna 10011 and a radio frequency unit 10012.
- the RRU1001 part may be used for transmitting and receiving radio frequency signals and converting radio frequency signals and baseband signals, for example, for sending the first reference signal, the first indication information, or the first feedback information to the user equipment in the foregoing embodiment.
- the BBU1002 part can be used for baseband processing and control of base stations.
- the RRU1001 and BBU1002 can be physically located together or physically separated, that is, distributed base stations.
- the BBU1002 is the control center of the base station and can also be called a processing unit, which is used to complete the baseband processing power, such as channel coding, multiplexing, modulation, and spread spectrum waiting.
- the BBU processing unit
- the BBU may be used to control the base station to execute the method in the process shown in FIG. 2, FIG. 4, FIG. 5, or FIG.
- the BBU1002 may be composed of one or more boards, and multiple boards may jointly support a wireless access network (such as an NR network) of a single access system, or may separately support wireless access of different access systems. Go online.
- the BBU 1002 may further include a memory 10021 and a processor 10022.
- the memory 10021 is used to store necessary instructions and data.
- the memory 10021 stores the instructions of “receiving the first reference signal, determining the availability of the first beam, and sending the first indication information according to the first reference signal and the first threshold” in the above embodiment.
- the processor 10022 is configured to control The base station performs the necessary actions.
- the memory 10021 and the processor 10022 are used to serve one or more single boards. That is, the memory and processor can be set separately on each board, or multiple boards can share the same memory and processor. In addition, the necessary circuits can be set on each board.
- FIG. 11 provides a schematic structural diagram of a terminal device.
- the terminal device may be applicable to the processes shown in FIG. 2, FIG. 4, or FIG. 7.
- the terminal device is the main execution step. 11 shows only the main components of the terminal device.
- the terminal device 110 may include a processor, a processor, a memory, and a control circuit.
- the terminal device 110 may further include an antenna and / or an input / output device.
- the processor can be used to perform sleep management on the communication protocol and communication data, and control the user equipment, execute a software program, and process the data of the software program.
- the memory may store software programs and / or data.
- the control circuit can be used for conversion of baseband signals and radio frequency signals and processing of radio frequency signals.
- the control circuit and the antenna can also be called a transceiver, which can be used to send and receive radio frequency signals in the form of electromagnetic waves.
- Input-output devices such as touch screens, display screens, keyboards, etc., can be used to receive data input by the user and output data to the user.
- the processor may read the software program in the storage unit, interpret and execute the instructions of the software program, and process the data of the software program.
- the processor performs baseband processing on the data to be sent, and then outputs the baseband signal to the radio frequency circuit.
- the radio frequency circuit processes the baseband signal, the radio frequency signal is sent out through the antenna as electromagnetic waves.
- the RF circuit receives the RF signal through the antenna, converts the RF signal into a baseband signal, and outputs the baseband signal to the processor.
- the processor converts the baseband signal into data and processes the data.
- FIG. 11 shows only one memory and a processor. In an actual user equipment, there may be multiple processors and memories.
- the memory may also be referred to as a storage medium or a storage device, which is not limited in the embodiment of the present invention.
- the processor may include a baseband processor and a central processor.
- the baseband processor may be used to process communication protocols and communication data
- the central processor may be used to control the entire user equipment and execute software programs. Processing data from software programs.
- the processor in FIG. 11 integrates the functions of the baseband processor and the central processing unit.
- the baseband processor and the central processing unit may also be independent processors, which are interconnected through technologies such as a bus.
- the user equipment may include multiple baseband processors to adapt to different network standards, the user equipment may include multiple central processors to enhance its processing capabilities, and various components of the user equipment may be connected through various buses.
- the baseband processor can also be expressed as a baseband processing circuit or a baseband processing chip.
- the central processing unit can also be expressed as a central processing circuit or a central processing chip.
- the function of processing communication protocols and communication data may be built in the processor or stored in the storage unit in the form of a software program, and the processor executes the software program to implement the baseband processing function.
- an antenna and a control circuit having a transmitting and receiving function may be used as the transmitting and receiving unit 111 of the terminal device 110, and a processor having a processing function may be regarded as the processing unit 112 of the terminal device 110.
- the terminal device 110 may include a transceiver unit 111 and a processing unit 112.
- the transceiver unit may also be referred to as a transceiver, a transceiver, a transceiver device, and the like.
- the device for implementing the receiving function in the transceiver unit 111 can be regarded as a receiving unit, and the device for implementing the transmitting function in the transceiver unit 111 can be regarded as a transmitting unit, that is, the transceiver unit 111 includes a receiving unit and a transmitting unit.
- the receiving unit may also be called a receiver, a receiver, a receiving circuit, and the like
- the sending unit may also be called a transmitter, a transmitter, or a transmitting circuit, and the like.
- the network device in each of the foregoing device embodiments corresponds exactly to the network device or terminal device in the terminal device and method embodiments, and the corresponding module or unit performs the corresponding steps, such as the sending module (transmitter) method execution method implementation
- the receiving module executes the steps received in the method embodiment.
- Other steps than sending and receiving can be performed by the processing module (processor).
- the sending module and the receiving module may form a transceiver module, and the transmitter and the receiver may form a transceiver to jointly realize the transmitting and receiving function; the processor may be one or more.
- an embodiment of the present invention further provides a communication system, which includes the foregoing network device and terminal device.
- an embodiment of the present application further provides a computer storage medium.
- a software program is stored in the storage medium, and when read and executed by one or more processors, the software program can implement any one or more of the foregoing.
- the computer storage medium may include various media that can store program codes, such as a U disk, a mobile hard disk, a read-only memory, a random access memory, a magnetic disk, or an optical disk.
- an embodiment of the present application further provides a chip that includes a processor, and is configured to implement functions involved in any one or more of the foregoing embodiments, such as obtaining or processing information involved in the foregoing method, or Message.
- the chip further includes a memory, and the memory is used to execute necessary program instructions and data executed by the processor.
- the chip may be composed of a chip, and may also include a chip and other discrete devices.
- the processor may be a Central Processing Unit (“CPU”), and the processor may also be other general-purpose processors, digital signal processors (DSPs), and special-purpose integrations. Circuits (ASICs), off-the-shelf programmable gate arrays (FPGAs) or other programmable logic devices, discrete gate or transistor logic devices, discrete hardware components, etc.
- a general-purpose processor may be a microprocessor or the processor may be any conventional processor or the like.
- the memory may include read-only memory and random access memory, and provide instructions and data to the processor.
- a portion of the memory may also include non-volatile random access memory.
- the bus system may also include a power bus, a control bus, and a status signal bus.
- various buses are marked as a bus system in the figure.
- each step of the above method may be completed by an integrated logic circuit of hardware in a processor or an instruction in a form of software.
- the steps of the method disclosed in combination with the embodiments of the present invention may be directly performed by a hardware processor, or may be performed by a combination of hardware and software modules in the processor.
- a software module may be located in a mature storage medium such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory, or an electrically erasable programmable memory, a register, and the like.
- the storage medium is located in the memory, and the processor reads the information in the memory and completes the steps of the above method in combination with its hardware. To avoid repetition, it will not be described in detail here.
- “at least one” means one or more, and “multiple” means two or more.
- “And / or” describes the association relationship of related objects, and indicates that there can be three kinds of relationships, for example, A and / or B can indicate: A exists alone, A and B exist simultaneously, and B alone exists, where A, B can be singular or plural.
- the character “/” generally indicates that the related objects are an "or” relationship.
- “At least one or more of the following” or similar expressions refers to any combination of these items, including any combination of single or plural items. For example, at least one (a), a, b, or c can be expressed as: a, b, c, ab, ac, bc, or abc, where a, b, and c can be single or multiple .
- the disclosed systems, devices, and methods may be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the unit is only a logical function division.
- multiple units or components may be combined or Can be integrated into another system, or some features can be ignored or not implemented.
- the displayed or discussed mutual coupling or direct coupling or communication connection may be indirect coupling or communication connection through some interfaces, devices or units, which may be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the objective of the solution of this embodiment.
- each functional unit in each embodiment of the present application may be integrated into one processing unit, or each of the units may exist separately physically, or two or more units may be integrated into one unit.
- the computer program product includes one or more computer instructions (programs).
- programs When the computer program instructions (programs) are loaded and executed on a computer, the processes or functions according to the embodiments of the present application are wholly or partially generated.
- the computer may be a general-purpose computer, a special-purpose computer, a computer network, or other programmable devices.
- the computer instructions may be stored in a computer-readable storage medium, or transmitted from one computer-readable storage medium to another computer-readable storage medium, for example, the computer instructions may be from a website site, a computer, a server, or a data center. Transmission via wired (such as coaxial cable, optical fiber, digital subscriber line (DSL)) or wireless (such as infrared, wireless, microwave, etc.) to another website site, computer, server, or data center.
- the computer-readable storage medium may be any available medium that can be accessed by a computer or a data storage device such as a server, a data center, or the like that includes one or more available medium integration.
- the available medium may be a magnetic medium (for example, a floppy disk, a hard disk, a magnetic tape), an optical medium (for example, a DVD), or a semiconductor medium (for example, a solid state disk (SSD)).
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Physics & Mathematics (AREA)
- Mathematical Physics (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (19)
- 一种通信方法,其特征在于,包括:终端设备接收来自网络设备第一波束的第一参考信号;所述终端设备根据第一门限以及所述第一参考信号,确定所述第一波束的可用性;所述终端设备向网络设备发送第一反馈信息,所述第一反馈信息中至少包括第一指示信息,所述第一指示信息用于指示所述第一波束的可用性。
- 如权利要求1所述的方法,其特征在于,所述方法还包括:所述终端设备接收来自网络设备的第一配置信息,所述第一配置信息中包括所述第一门限。
- 如权利要求1所述的方法,其特征在于,所述第一反馈信息中还包括第二指示信息,所述第二指示信息用于指示所述第一门限。
- 如权利要求1至3任一项所述的方法,其特征在于,所述第一门限的数量为一个或多个;如果所述第一门限的数量为一个,所述第一指示信息的数量为一个,所述第一指示信息用于指示在所述第一门限的判决准则下,所述第一波束的可用性;或者,如果所述第一门限的数量为多个,所述第一指示信息的数量为多个,每个第一指示信息用于指示在相应第一门限的判决准则下,所述第一波束的可用性。
- 如权利要求1至4任一项所述的方法,其特征在于,所述第一反馈信息的信令格式为媒体接入控制协议数据单元,所述媒体接入控制协议数据单元中包括控制元素,所述控制元素中承载有所述第一指示信息。
- 如权利要求1至4任一项所述的方法,其特征在于,所述第一反馈信息的信令格式为上行控制信息,所述上行控制信息中承载有所述第一指示信息。
- 如权利要求1至6任一项所述的方法,其特征在于,所述终端设备根据第一门限以及所述第一参考信号,确定所述第一波束的可用性,包括:所述终端设备确定与所述第一参考信号相关联的质量参数;如果所述质量参数大于或等于所述第一门限,确定所述第一波束可用;或者,如果所述质量参数小于所述第一门限,确定所述第一波束不可用。
- 如权利要求7所述的方法,其特征在于,所述质量参数包括以下中的一个或多个:参考信号接收功率、参考信号接收质量、参考信号接收强度指示、信号干扰噪声比、信号质量指示、秩指示以及预编码矩阵指示。
- 如权利要求1至8任一项所述的方法,其特征在于,所述方法还包括:所述终端设备接收来自网络设备的第二配置信息,所述第二配置信息用于指示可用波束集合。
- 一种通信方法,其特征在于,包括:网络设备通过第一波束,向终端设备发送第一参考信号;所述网络设备接收来自终端设备的第一反馈信息,所述第一反馈信息是根据所述第一参考信号和第一门限所确定的,所述第一反馈信息中至少包括第一指示信息,所述第一指示信息用于指示所述第一波束的可用性。
- 如权利要求10所述的方法,其特征在于,所述方法还包括:所述网络设备向所述终端设备发送第一配置信息,所述第一配置信息中包括所述第一门限。
- 如权利要求10所述的方法,其特征在于,所述第一反馈信息中还包括第二指示信息,所述第二指示信息用于指示所述第一门限。
- 如权利要求10至12任一项所述的方法,其特征在于,所述第一门限的数量为一个或多个;如果所述第一门限的数量为一个,所述第一指示信息的数量为一个,所述第一指示信息用于指示在所述第一门限的判决准则下,所述第一波束的可用性;或者,如果所述第一门限的数量为多个,所述第一指示信息的数量为多个,每个第一指示信息用于指示在相应第一门限的判决准则下,所述第一波束的可用性。
- 如权利要求10至13任一项所述的方法,其特征在于,所述第一反馈信息的信令格式为媒体接入控制协议数据单元,所述媒体接入控制协议数据单元中包括控制元素,所述控制元素中承载有所述第一指示信息。
- 如权利要求10至13任一项所述的方法,其特征在于,所述第一反馈信息的信令格式为上行控制信息,所述上行控制信息中承载有所述第一指示信息。
- 如权利要求10至15任一项所述的方法,其特征在于,所述方法还包括:所述网络设备根据所述第一反馈信息,生成可用波束集合;所述网络设备向终端设备发送第二配置信息,所述第二配置信息用于指示所述可用波束集合。
- 一种通信装置,其特征在于,包括处理器和存储器;所述存储器用于存储计算机执行指令;所述处理器用于执行所述存储器所存储的计算机执行指令,以使所述通信装置实现如权利要求1至16任一项所述的方法中如下设备的功能:所述网络设备,或者,所述终端设备。
- 一种计算机可读存储介质,其特征在于,所述存储介质存储有计算机指令,当所述计算机指令被计算机执行时,使得所述计算机执行如权利要求1至16中任一项所述的方法。
- 一种计算机程序产品,其特征在于,所述计算机程序产品包括计算机指令,当所述计算机指令被计算机执行时,使得所述计算机执行如权利要求1至16中任一项所述的方法。
Priority Applications (4)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| BR112020026868-2A BR112020026868A2 (pt) | 2018-06-29 | 2019-06-19 | Método de comunicação e aparelho de comunicações |
| JP2020573327A JP7123195B2 (ja) | 2018-06-29 | 2019-06-19 | 通信方法及び通信機器 |
| EP19827228.8A EP3813416B1 (en) | 2018-06-29 | 2019-06-19 | Communication methods and devices |
| US17/123,890 US11564213B2 (en) | 2018-06-29 | 2020-12-16 | Communication method and communications apparatus |
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810713318.2 | 2018-06-29 | ||
| CN201810713318.2A CN110662252B (zh) | 2018-06-29 | 2018-06-29 | 一种通信方法及装置 |
Related Child Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| US17/123,890 Continuation US11564213B2 (en) | 2018-06-29 | 2020-12-16 | Communication method and communications apparatus |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| WO2020001343A1 true WO2020001343A1 (zh) | 2020-01-02 |
Family
ID=68986279
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| PCT/CN2019/091901 Ceased WO2020001343A1 (zh) | 2018-06-29 | 2019-06-19 | 一种通信方法及装置 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US11564213B2 (zh) |
| EP (1) | EP3813416B1 (zh) |
| JP (1) | JP7123195B2 (zh) |
| CN (2) | CN110662252B (zh) |
| BR (1) | BR112020026868A2 (zh) |
| WO (1) | WO2020001343A1 (zh) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230170976A1 (en) * | 2021-11-30 | 2023-06-01 | Qualcomm Incorporated | Beam selection and codebook learning based on xr perception |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11272509B2 (en) * | 2018-08-09 | 2022-03-08 | Qualcomm Incorporated | Uplink timing adjustment in beamformed wireless communications |
| EP4093112B1 (en) | 2020-02-06 | 2024-03-27 | Guangdong Oppo Mobile Telecommunications Corp., Ltd. | Reference signal configuration method, network device and terminal device |
| EP4111777A4 (en) * | 2020-02-28 | 2023-11-22 | Qualcomm Incorporated | TECHNIQUES TO CONFIGURATE A MAC CE BITMAP FOR BEAM ERROR RECOVERY |
| CN114126023B (zh) * | 2020-08-31 | 2024-03-26 | 华为技术有限公司 | 一种功率配置方法及装置 |
| CN115412969A (zh) * | 2021-05-26 | 2022-11-29 | 华为技术有限公司 | 发送和接收数据的方法以及通信装置 |
| CN115589279B (zh) * | 2021-07-05 | 2024-08-13 | 维沃移动通信有限公司 | 波束上报方法及终端 |
| WO2023168590A1 (zh) * | 2022-03-08 | 2023-09-14 | 北京小米移动软件有限公司 | 波束确定方法及装置 |
| WO2024098388A1 (en) * | 2022-11-11 | 2024-05-16 | Qualcomm Incorporated | Phase alignment for precoders |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875191A (zh) * | 2011-08-12 | 2014-06-18 | 三星电子株式会社 | 在无线通信系统中自适应性波束成形的装置和方法 |
| CN104205911A (zh) * | 2012-03-27 | 2014-12-10 | 三星电子株式会社 | 在无线通信系统中发送波束信息的方法和装置 |
| WO2018059487A1 (zh) * | 2016-09-29 | 2018-04-05 | 华为技术有限公司 | 无线资源测量方法、选择方法及装置 |
Family Cites Families (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE602008003815D1 (de) | 2008-09-19 | 2011-01-13 | Alcatel Lucent | Verfahren zur Satzbildung von mobilen Stationen in SDMA-Systemen, entsprechende Mobilstation, Basisstationen und Funkkommunikationsnetzwerk |
| KR101655924B1 (ko) | 2012-03-07 | 2016-09-08 | 엘지전자 주식회사 | 무선 접속 시스템에서 계층적 빔 포밍 방법 및 이를 위한 장치 |
| US9204317B2 (en) | 2012-05-11 | 2015-12-01 | Telefonaktiebolaget L M Ericsson (Publ) | Methods and arrangements for CSI reporting |
| US9912430B2 (en) | 2012-07-06 | 2018-03-06 | Samsung Electronics Co. Ltd. | Method and apparatus for channel state information feedback reporting |
| JP2017118462A (ja) * | 2015-12-25 | 2017-06-29 | 富士通株式会社 | 無線通信システムおよび基地局 |
| WO2017123060A1 (en) * | 2016-01-14 | 2017-07-20 | Samsung Electronics Co., Ltd. | System, method, and apparatus of beam-tracking and beam feedback operation in a beam-forming based system |
| CN107889130B (zh) * | 2016-09-29 | 2023-04-18 | 华为技术有限公司 | 无线资源选择方法及装置 |
| JP7048603B2 (ja) | 2016-12-01 | 2022-04-05 | オッポ広東移動通信有限公司 | 測定方法、端末装置とネットワーク装置 |
| CN108207030B (zh) * | 2016-12-19 | 2021-01-29 | 华为技术有限公司 | 动态调整波束集合的传输方法、基站及终端 |
| US20180199226A1 (en) * | 2017-01-06 | 2018-07-12 | Asustek Computer Inc. | Method and apparatus for triggering a beam state information report in a wireless communication system |
| US20180227035A1 (en) * | 2017-02-09 | 2018-08-09 | Yu-Hsin Cheng | Method and apparatus for robust beam acquisition |
| CN113783676A (zh) * | 2017-05-05 | 2021-12-10 | 中兴通讯股份有限公司 | 用于分配资源的系统和方法 |
| CN109788564B (zh) * | 2017-09-20 | 2023-03-24 | 华硕电脑股份有限公司 | 无线通信系统中波束决定的方法和设备 |
| WO2019061073A1 (en) * | 2017-09-27 | 2019-04-04 | Nec Corporation | METHODS AND APPARATUSES FOR PROCESSING AND TRANSMITTING BEAM TRACKING REQUEST |
| US10756784B2 (en) * | 2018-04-03 | 2020-08-25 | Qualcomm Incorporated | Feedback of beam repetition and diversity mode |
-
2018
- 2018-06-29 CN CN201810713318.2A patent/CN110662252B/zh active Active
- 2018-06-29 CN CN202210306906.0A patent/CN114885366A/zh active Pending
-
2019
- 2019-06-19 JP JP2020573327A patent/JP7123195B2/ja active Active
- 2019-06-19 WO PCT/CN2019/091901 patent/WO2020001343A1/zh not_active Ceased
- 2019-06-19 BR BR112020026868-2A patent/BR112020026868A2/pt unknown
- 2019-06-19 EP EP19827228.8A patent/EP3813416B1/en active Active
-
2020
- 2020-12-16 US US17/123,890 patent/US11564213B2/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103875191A (zh) * | 2011-08-12 | 2014-06-18 | 三星电子株式会社 | 在无线通信系统中自适应性波束成形的装置和方法 |
| CN104205911A (zh) * | 2012-03-27 | 2014-12-10 | 三星电子株式会社 | 在无线通信系统中发送波束信息的方法和装置 |
| WO2018059487A1 (zh) * | 2016-09-29 | 2018-04-05 | 华为技术有限公司 | 无线资源测量方法、选择方法及装置 |
Non-Patent Citations (2)
| Title |
|---|
| SAMSUNG: "Discussion on Beam Measurement and Tracking for 5G New Radio Interface in mmWave Frequency Bands", 3GPP TSG RAN WG2 #93BIS R2-162226, 15 April 2016 (2016-04-15), XP051082013 * |
| See also references of EP3813416A4 |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20230170976A1 (en) * | 2021-11-30 | 2023-06-01 | Qualcomm Incorporated | Beam selection and codebook learning based on xr perception |
| US12068832B2 (en) * | 2021-11-30 | 2024-08-20 | Qualcomm Incorporated | Beam selection and codebook learning based on XR perception |
Also Published As
| Publication number | Publication date |
|---|---|
| BR112020026868A2 (pt) | 2021-04-06 |
| US20210105767A1 (en) | 2021-04-08 |
| CN110662252A (zh) | 2020-01-07 |
| JP2021530161A (ja) | 2021-11-04 |
| EP3813416A1 (en) | 2021-04-28 |
| CN110662252B (zh) | 2022-04-05 |
| JP7123195B2 (ja) | 2022-08-22 |
| EP3813416B1 (en) | 2025-02-26 |
| US11564213B2 (en) | 2023-01-24 |
| EP3813416A4 (en) | 2021-08-11 |
| CN114885366A (zh) | 2022-08-09 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US11283503B2 (en) | Communication method and communications apparatus | |
| WO2020001343A1 (zh) | 一种通信方法及装置 | |
| US11445484B2 (en) | Communication method, related device, and computer storage medium | |
| US11757497B2 (en) | Transmission precoding matrix indication method and device | |
| US11323222B2 (en) | Communication method, and apparatus | |
| US11678174B2 (en) | User terminal and radio communication method | |
| EP3661292A1 (en) | Communication method and communication device | |
| CN111756458B (zh) | 波束失败恢复方法和通信装置 | |
| WO2021052179A1 (zh) | 一种上行数据传输方法及装置 | |
| EP2819314B1 (en) | Data transmission method, user equipment and base station | |
| CN110149193B (zh) | 一种参考信号传输方法及装置 | |
| CN105900474B (zh) | 一种资源配置的方法、用户设备及基站 | |
| WO2018202137A1 (zh) | 一种通信方法及装置 | |
| WO2020156514A1 (zh) | 测量上报方法和通信装置 | |
| WO2024149042A1 (zh) | 通信方法和通信装置 | |
| WO2023273969A1 (zh) | 资源测量方法和通信装置 | |
| WO2023088114A1 (zh) | 波束恢复方法、波束失败检测方法以及相关装置 | |
| CN117835434A (zh) | 信息上报方法、装置、设备及存储介质 | |
| RU2779433C2 (ru) | Способ связи и устройство связи | |
| WO2021004475A1 (zh) | 一种通信方法及装置 | |
| WO2026001814A1 (zh) | 参考信号测量方法以及相关装置 | |
| WO2025241906A1 (zh) | 一种通信方法及相关装置 | |
| WO2025002278A1 (zh) | 一种信道状态信息确定方法及装置 | |
| WO2025232501A1 (zh) | 资源配置方法及相关产品 | |
| WO2025050962A1 (zh) | 一种波束测量及指示方法及相关装置 |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 19827228 Country of ref document: EP Kind code of ref document: A1 |
|
| ENP | Entry into the national phase |
Ref document number: 2019827228 Country of ref document: EP Effective date: 20201208 |
|
| ENP | Entry into the national phase |
Ref document number: 2020573327 Country of ref document: JP Kind code of ref document: A |
|
| NENP | Non-entry into the national phase |
Ref country code: DE |
|
| REG | Reference to national code |
Ref country code: BR Ref legal event code: B01A Ref document number: 112020026868 Country of ref document: BR |
|
| WWE | Wipo information: entry into national phase |
Ref document number: 2021101409 Country of ref document: RU |
|
| ENP | Entry into the national phase |
Ref document number: 112020026868 Country of ref document: BR Kind code of ref document: A2 Effective date: 20201229 |
