WO2022104735A1 - 波束指示方法、装置及通信设备 - Google Patents
波束指示方法、装置及通信设备 Download PDFInfo
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Definitions
- the present disclosure relates to the field of wireless communication technologies, and in particular, to a beam indication method, apparatus, and communication device.
- the beams used for each channel are independently indicated, such as physical downlink control channel (PDCCH, physical downlink control channel), physical downlink shared channel (PDSCH, physical downlink shared channel), physical uplink control channel ( PUCCH, physical uplink control channel) and physical uplink shared channel (PUSCH, physical uplink shared channel) need to indicate their respective beams.
- the beam indication occupies a relatively large signaling overhead.
- the present disclosure provides a beam indication method, apparatus and communication device.
- a beam indication method proposed by an embodiment of the present disclosure, applied to user equipment UE includes:
- first indication information is used to indicate the target universal beam
- At least two communication transmissions are performed with the network device using the target universal beam, wherein the communication transmissions include transmission of channels and/or reference signals.
- the first indication information includes a target general transmission configuration indication TCI state index or an index combination.
- the target general TCI state index corresponds to a sending and receiving point TRP index or a control resource set pool index.
- the target general TCI state index corresponds to one or more reference signals, and each of the reference signals is used to indicate at least one of an uplink target general beam and a downlink target general beam.
- the obtaining the first indication information includes:
- the first indication information is determined according to the one or more TCI state indexes activated by the second indication information.
- the number of TCI state indexes activated by the second indication information for a TRP index or a control resource set pool index is one, and the one or more TCI state indexes activated according to the second indication information , determining the first indication information, including:
- a TCI state index activated by the second indication information is determined as the first indication information.
- the number of TCI state indexes activated by the second indication information for a TRP index or a control resource set pool index is multiple, and the one or more TCI states activated according to the second indication information index to determine the first indication information, including:
- the first indication information includes a target general TCI state index or an index combination among multiple TCI state indexes activated by the second indication information.
- the method further includes:
- the first HARQ feedback information is used to indicate whether the first DCI signaling is successfully received by the network device
- the HARQ feedback resource used for sending the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- performing at least two communication transmissions with the network device using the target universal beam includes:
- the second DCI signaling carries resource configuration information for configuring reference signal, random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the first DCI signaling further carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH and PDSCH.
- the method further includes:
- the second HARQ feedback information includes:
- first feedback information used to feed back whether the first DCI signaling is successfully received
- the second feedback information is used to feed back whether the PDSCH or downlink reference signal configured by the first DCI signaling is successfully received.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is set by default.
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same or different bits in the same HARQ feedback resource.
- the sending beam for sending the first HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling, or the receiving beam.
- the sending beam for sending the second HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling, or the receiving beam.
- the method further includes:
- the configured transmission resources are used to communicate and transmit with the network device.
- the communication transmission adopts the same beam as the first DCI signaling;
- the communication transmission adopts the target common TCI state index or index combination corresponding to the target common TCI state index or index combination in the first DCI signaling. beam.
- the threshold is notified by the network device
- the method also includes:
- the reference time includes the decoding time of the first DCI signaling and its corresponding HARQ feedback time, and the beam switching time; or, the reference time includes the HARQ feedback time corresponding to the first DCI signaling, and Beam switching time.
- the threshold is set in the UE by default.
- the UE uses one or more receive beams to receive one or more transmissions of the first DCI signaling.
- the first DCI signaling is DCI signaling for downlink resource scheduling, or DCI signaling for uplink resource scheduling, or DCI signaling for uplink and downlink resource scheduling, or only DCI signaling for uplink and downlink target general beam indication.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the method further includes:
- the first indication information further includes indication information of the at least two communication transmissions.
- the channel includes at least one or a combination of the following:
- Random access channel PRACH Random access channel PRACH.
- the reference signal includes at least one or a combination of the following:
- a beam indication method proposed by an embodiment of the present disclosure is applied to a network device, and the method includes:
- the first indication information is used to indicate the target universal beam, so that the UE uses the target universal beam to perform at least two kinds of communication transmission with the network device, wherein the communication Transmission includes transmission of channels and/or reference signals.
- the first indication information includes a target general transmission configuration indication TCI state index or an index combination.
- the target general TCI state index corresponds to a sending and receiving point TRP index or a control resource set pool index.
- the target general TCI state index corresponds to one or more reference signals, and each of the reference signals is used to indicate at least one of an uplink target general beam and a downlink target general beam.
- the sending the first indication information to the user equipment UE includes:
- the one or more TCI state indexes activated by the second indication information are used to determine the first indication information.
- the number of TCI state indexes activated by the second indication information for a TRP index or a control resource set pool index is one;
- the first indication information represents a TCI state index activated by the second indication information.
- the sending the first indication information to the user equipment UE further includes:
- the first indication information includes a target general TCI state index or an index combination among multiple TCI state indexes activated by the second indication information.
- the method further includes:
- the first HARQ feedback information is used to indicate whether the first DCI signaling is successfully received by the network device
- the HARQ feedback resource used for sending the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- the method includes:
- the second DCI signaling carries resource configuration information for configuring reference signal, random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the first DCI signaling further carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH and PDSCH.
- the method further includes:
- the second HARQ feedback information includes:
- first feedback information used to feed back whether the first DCI signaling is successfully received
- the second feedback information is used to feed back whether the PDSCH or downlink reference signal configured by the first DCI signaling is successfully received.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is set by default.
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same or different bits in the same HARQ feedback resource.
- the sending beam for sending the first HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling, or the receiving beam.
- the sending beam for sending the second HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling, or the receiving beam.
- the method further includes:
- indicating that the time interval between the communication transmission and the first DCI signaling is less than a threshold indicating that the UE uses the same beam as the first DCI signaling to perform the communication transmission; indicating that the The time interval between the communication transmission and the first DCI signaling is greater than or equal to the threshold, indicating that the UE is instructed to adopt the target corresponding to the target general TCI state index or index combination in the first DCI signaling A common beam conducts the communication transmission.
- the method further includes:
- the reference time includes the time used by the UE to decode the first DCI signaling and its corresponding HARQ feedback time, and the time used for beam switching; or, the reference time includes the time used by the UE to perform the first DCI signaling. Let the corresponding HARQ feedback time and beam switching time be used.
- the first DCI signaling is sent one or more times, and the UE is instructed to use one or more receiving beams for reception.
- the first DCI signaling is DCI signaling for downlink resource scheduling, or DCI signaling for uplink resource scheduling, or DCI signaling for uplink and downlink resource scheduling, or only DCI signaling for uplink and downlink target general beam indication.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the method further includes:
- the first indication information further includes indication information of the at least two communication transmissions.
- the channel includes at least one or a combination of the following:
- Random access channel PRACH Random access channel PRACH.
- the reference signal includes at least one or a combination of the following:
- Another aspect of the present disclosure provides a beam indication apparatus, which is applied to a user equipment UE, and the apparatus includes:
- an obtaining module configured to obtain first indication information, wherein the first indication information is used to indicate the target universal beam
- the execution module is configured to use the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include transmission of channels and/or reference signals.
- Another aspect of the present disclosure provides a beam indication apparatus, which is applied to a network device, and the apparatus includes:
- an indication module configured to send first indication information to a user equipment UE, where the first indication information is used to indicate a target universal beam, so that the UE uses the target universal beam to perform at least two communication transmissions with the network device , wherein the communication transmission includes transmission of channels and/or reference signals.
- a communication device comprising: a transceiver; a memory; a processor, respectively connected to the transceiver and the memory, and configured to execute computer-executable instructions on the memory by executing computer-executable instructions on the memory. , controls the transceiver to transmit and receive wireless signals, and can implement the beam indication method described in one aspect or another.
- Another embodiment of the present disclosure provides a computer storage medium, wherein the computer storage medium stores computer-executable instructions; after the computer-executable instructions are executed by a processor, the computer-executable instructions can implement the method described in one aspect or another aspect.
- the first indication information for indicating the target universal beam is sent to the UE through the network device, so that the UE, after receiving the first indication information sent by the network device, communicates with the network
- the device uses the target universal beam for communication and transmission on at least two channels, or at least two reference signals, or at least one reference signal and at least one channel. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 1 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure
- FIG. 2 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure
- FIG. 3 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 4 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 5 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 6 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure.
- FIG. 7 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 8 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 9 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 10 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure.
- FIG. 11 is a schematic structural diagram of a beam pointing device 110 according to an embodiment of the present disclosure.
- FIG. 12 is a schematic structural diagram of a beam pointing device 120 according to an embodiment of the present disclosure.
- FIG. 13 is a block diagram of a communication device of a beam indication method according to an embodiment of the present disclosure.
- first, second, third, etc. may be used in embodiments of the present disclosure to describe various pieces of information, such information should not be limited to these terms. These terms are only used to distinguish the same type of information from each other.
- the first information may also be referred to as the second information, and similarly, the second information may also be referred to as the first information.
- the words "if” and “if” as used herein can be interpreted as "at the time of” or "when” or "in response to determining.”
- the target universal beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need to separately indicate the beam for each channel transmission or reference signal transmission, and saving signaling overhead.
- FIG. 1 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure, which is applied to user equipment.
- Step 101 Obtain first indication information, where the first indication information is used to indicate the target universal beam.
- the beam indication method in the embodiment of the present disclosure can be applied to any user equipment.
- User equipments may be dispersed throughout the mobile communication system, and each user equipment may be stationary or mobile.
- User equipment may also be referred to by those skilled in the art as mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, terminal device, wireless device, wireless communication device, remote device, mobile subscriber station, receiver.
- the user equipment may be a cellular telephone, a Personal Digital Assistant (PDA), a wireless modem, a wireless communication device, a handheld device, a tablet computer, a laptop computer, a cordless telephone, a Wireless Local Loop (WLL) Stations, etc., can communicate with network devices in a mobile communication system.
- PDA Personal Digital Assistant
- WLL Wireless Local Loop
- the first indication information may be carried in control signaling, such as Radio Resource Control (RRC, Radio Resource Control) signaling, or a Medium Access Control (MAC, Medium Access Control) unit (CE, Control Element), or It is downlink control information (DCI, Downlink Control Information) signaling, and may also be a combination of at least two signaling in the above signaling.
- RRC Radio Resource Control
- MAC Medium Access Control
- CE Medium Access Control
- DCI Downlink Control Information
- the first indication information bearing mode of the target universal beam is not limited.
- Step 102 using the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include transmission of channels and/or reference signals.
- the network equipment is deployed in the wireless access network to provide the wireless access function for the user equipment.
- the network device may be a base station (Base Station, BS).
- the network device may wirelessly communicate with the user device via one or more antennas.
- a network device can provide communication coverage for its geographic area.
- the base stations may include different types such as macro base stations, micro base stations, relay stations, and access points.
- a base station may be referred to by those skilled in the art as a base station transceiver, wireless base station, access point, wireless transceiver, Basic Service Set (BSS), Extended Service Set (ESS) ), Node B (NodeB), evolved Node B (evolved NodeB, eNB or eNodeB) or some other appropriate term.
- a base station is called a gNB.
- the foregoing apparatuses for providing wireless communication functions for user equipment are collectively referred to as network equipment.
- the channel includes a combination of at least one or more of the following:
- PUSCH Physical Uplink Shared Channel
- PBCH Physical Broadcast Channel
- Random Access Channel Physical Random Access Channel
- the reference signal includes a combination of at least one or more of the following:
- CSI-RS Channel state information-reference signal
- Demodulation Reference Signal (Demodulation Reference Signal, DMRS);
- PRS Positioning Reference Signal
- TRS Tracking Reference Signal
- Sounding Reference Signal Sounding Reference Signal (Sounding Reference Signal, SRS).
- the above reference signals can be used in different scenarios, for example, beam measurement, channel state information measurement, path loss estimation, antenna switching, positioning measurement, channel estimation or synchronization tracking during demodulation, etc., which are not listed one by one in this embodiment. .
- the channels and reference signals listed above are only examples, and do not limit the present disclosure.
- the target universal beam is applied to the communication transmission between the user equipment and the network equipment.
- at least two communication transmissions may include channels and/or reference signals that belong to uplink transmission; may also include channels and/or reference signals that belong to downlink transmission; or may include channels and/or reference signals that are part of uplink transmission /or reference signal, and another part is the channel and/or reference signal for downlink transmission.
- the target universal beam can be used for communication transmission of at least two channels.
- the target general beam can be used for PDSCH channels and PDCCH channels, where PDSCH channels include all PDSCH channels or only a part of PDSCH channels, such as UE dedicated PDSCH channels, such as UE dedicated PDSCH channels; PDCCH includes all PDCCH channels or only a part of PDCCH channels , such as the UE dedicated PDCCH channel.
- the target universal beam can be used for the PUSCH channel and the PUCCH channel, wherein the PUSCH channel includes all the PUSCH channels or only a part of the PUSCH channels, such as the user equipment dedicated PUSCH channel UE dedicated The PUSCH channel, the PUCCH includes all the PUCCH channels or only includes A part of PUCCH channels, such as UE dedicated PUCCH channels, such as user equipment dedicated PUCCH channels.
- the target universal beam can be used for the PUSCH channel and the PDSCH channel, where the PUSCH channel includes all PUSCH channels or only a part of the PUSCH channels, such as the UE dedicated PUSCH channel, and the PDSCH includes all the PDSCH channels or only a part of the PDSCH channels, such as the UE dedicated channel.
- PDSCH channel includes all the PDSCH channels or only a part of the PDSCH channels, such as the UE dedicated channel.
- the target common beam in the case where the target common beam is used for the PDSCH channel and the PDCCH channel, the target common beam can be called a downlink target common beam (DL common beam); in the case where the target common beam is used for the PUSCH channel and the PUCCH channel, The target common beam may be called an uplink target common beam (Ulcommon beam); when the target common beam is used for the PUSCH channel and the PDSCH channel, the target common beam is called the common beam, that is, it is used for both uplink and downlink.
- DL common beam downlink target common beam
- Ulcommon beam uplink target common beam
- the target common beam when the target common beam is used for the PUSCH channel and the PDSCH channel, the target common beam is called the common beam, that is, it is used for both uplink and downlink.
- the target universal beam can be used for communication transmission of at least two reference signals.
- the at least two reference signals here may both belong to the downlink reference signal, may also belong to the uplink reference signal, or may be a mixture of the downlink reference signal and the uplink reference signal, which is not limited in this embodiment.
- the downlink reference signal may include at least one of SSB, CSI-RS, PRS, TRS, and DMRS; or, for another example, the uplink reference signal may include at least one of SRS and DMRS.
- CSI-RS For some reference signals, such as CSI-RS, it may also include all CSI-RS; or not include all CSI-RS, but include CSI-RS for at least one purpose, such as channel state information measurement, beam At least one of measurement, path loss estimation, and CSI-RS for positioning measurement.
- SRS Another example is SRS, which can also include all SRSs; or not include all SRSs, but include SRSs for at least one purpose, such as code book-based channel state information measurement, non-code book-based channel state information. At least one of SRS for measurement, beam measurement, antenna switching, and positioning measurement.
- the target universal beam can be used for communication transmission of at least one reference signal and at least one channel.
- the target general beam can be used for communication and transmission of the PDSCH channel and the downlink reference signal, and the downlink reference signal can include at least one of SSB, CSI-RS, PRS, TRS, and DMRS; or, for another example, the target general beam can be used with
- the uplink reference signal may include at least one of the SRS and the DMRS.
- PDSCH here may include all PDSCH, or only part of PDSCH, such as UE dedicated PDSCH; here PUSCH may include all PUSCH, or only part of PUSCH, such as UE dedicated PUSCH; here reference signal, such as CSI- RS or SRS may include CSI-RS or SRS for all purposes or at least one purpose.
- downlink channel uplink channel
- downlink reference signal uplink reference signal
- uplink reference signal uplink reference signal
- the first indication information further includes indication information of at least two kinds of communication transmissions, that is, the indication information indicates that the user equipment adopts the target universal beam to perform communication between the network device and the user equipment.
- the determined at least two types of communication transmission for example, the indication information indicates that the communication transmission between the user equipment and the network device using the target universal beam is PDSCH channel and PDCCH channel transmission, wherein, about the at least two types of communication
- the implementation manner of transmission has been described in the above implementation manner, and will not be repeated here.
- the target universal beam may be a single beam or multiple beams, which is not limited in this embodiment.
- the target general beam When the target general beam is multi-beam, it is necessary to determine the target general beam corresponding to each TRP (Transmission and Reception Point) according to the first indication information sent by the network device, or determine the index number of each control resource pool (Core Set Pool Index) corresponds to the target universal beam, so the target TCI state index in the first indication information should correspond to the TRP index or the control resource set pool index.
- TRP Transmission and Reception Point
- index number of each control resource pool Core Set Pool Index
- the first indication information is sent to the UE through the network device, so that after the UE receives the first indication information sent by the network device, the UE communicates with the network device on at least two channels, or at least two reference signals, or at least one
- the target universal beam is used for communication and transmission on the reference signal and at least one channel. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 2 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, which is applied to user equipment.
- the indication method of the target universal beam is described. As shown in FIG. 2 , the method includes:
- Step 201 Receive a target general transmission configuration indicator (TCI, Transmission Configuration Indicator) state index or index combination sent by the network device.
- TCI Transmission Configuration Indicator
- the first indication information received by the user equipment includes the TCI state index or index combination sent by the network device including the target general transmission configuration indication.
- the target general TCI state index combination can be determined by the combination identifier, for example, 01 and 02 respectively indicate different index combinations; or different code points can be used to indicate different index combinations, such as a 3-bit code Points 000 and 001 respectively indicate different index combinations.
- One or more TCI state indexes are included in different index combinations.
- the target general TCI state index may be one or more. Wherein, each target general TCI state index corresponds to one or more reference signals RS, and each reference signal is used to indicate at least one of an uplink target general beam and a downlink target general beam.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the reference signal corresponding to the downlink target general TCI state index such as RS
- the reference signal corresponding to the uplink target general TCI state index is not used for Indicates the target common beam of the downlink channel or downlink reference signal.
- the reference signal corresponding to the uplink and downlink target general TC state index can indicate the target general beam of uplink transmission or downlink transmission at the same time, which is indicated by one reference signal RS or two reference signals RS respectively.
- the network device configures the UE through the Radio Resource Control (RRC, Radio Resource Control) signaling the corresponding relationship between the target general TCI state index and the Reference Signal (RS, Reference Signal).
- RRC Radio Resource Control
- RS Reference Signal
- the network device After reaching the target TCI state index, according to the target TCI state index, query the correspondence between the above-mentioned TCI state index and the RS, and then the reference signal RS corresponding to the target TCI state index can be obtained.
- the UE according to the reference signal
- the RS determines the corresponding beam.
- the corresponding relationship between the TCI state index and the RS may be in a TCI table or other forms, and the corresponding relationship is in the form of a TCI table as an example for description.
- the TCI table may include information such as a TCI state index (ie, TCI State ID), a reference signal index (RS ID, Reference Signal ID)).
- the target general TCI state index combination when the target general TCI state index combination is obtained, then according to the identification of the index combination or the mapping relationship between the codepoint and the index combination displayed by the bits, determine the plurality of target general TCI state indexes included, and then , and determine the corresponding target universal beam according to the pre-configured correspondence between the TCI state index and the RS index.
- the TCI status index sent by the network device may indicate one of the uplink target general beam and the downlink target general beam. That is, the uplink target general TCI status index is used to indicate the uplink target general beam, and the downlink target general beam is used.
- the target general TCI state index indicates the downlink target general beam.
- the target general TCI state index sent by the network device may be used to indicate the uplink target general beam and the downlink target general beam.
- the target general TCI state index sent by the network device indicates a corresponding RS for each TRP, that is, the RS indicates both the uplink target general beam and the downlink target general beam.
- the target general TCI state index sent by the network device indicates a corresponding RS for each TRP, and this RS may indicate an uplink target general beam or a downlink target general beam.
- the target general TCI state sent by the network device indicates two corresponding RSs for each TRP, one of the two RSs is used to indicate the uplink target general beam, and the other RS is used to indicate the downlink target general beam. beam.
- the target general TCI state index corresponds to a sending and receiving point TRP index or a control resource set pool index. That is to say, the target general TCI state index and one TRP are common for multiple communication transmissions, and different TRPs use different target general TCI state indexes; the target general TCI state index and a control resource set pool index are used for various The communication transmission is common, and different control resource set pool indexes use different target common TCI state indexes.
- the determined general beam is the beam corresponding to the TRP; in another embodiment, when there are multiple TRPs, different TRPs have corresponding targets
- the general TCI state index, and the target general TCI state index has a corresponding RS, and according to the target general beam corresponding to the RS, the target general beam corresponding to the corresponding TPR can be determined.
- Step 202 Determine the target universal beam according to the TCI state index or index combination.
- the index combination includes multiple TCI state indexes, and each TCI state index corresponds to a different TRP.
- the network device can configure the target generic for the UE in advance through high-level signaling, such as Radio Resource Control (RRC, Radio Resource Control) signaling, or a Media Access Control (MAC, Medium Access Control) control element (CE, Control Element). Correspondence between TCI state index and RS. According to the pre-configured correspondence, the UE may determine the corresponding target general beam according to the target general TCI state index dynamically indicated by the network device.
- RRC Radio Resource Control
- MAC Medium Access Control
- CE Control Element
- Step 203 using the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include transmission of channels and/or reference signals.
- step 203 may be implemented in any of the various embodiments of the present disclosure, which is not limited in the embodiment of the present disclosure, and will not be described again.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 3 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, and the method is executed by a UE.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 3 , the method includes:
- Step 301 receiving the control unit MAC CE signaling of the media access control layer sent by the network device, wherein the MAC CE carries the second indication information for activating one or more TCI state indexes, and one TCI state index corresponds to one TRP index or a control resource set pool index.
- the MACCE signaling includes an indication bit, and the indication bit records the second indication information for activating one or more TCI state indexes, that is to say, the second indication information indicates one or more TCI states to be activated index.
- the MAC CE has a corresponding indication bit for each TCI state index, so that the UE determines the corresponding TCI state index according to the second indication information in the indication bit, and a TCI state index corresponds to a TRP index or a TRP index. Controls the resource set pool index.
- the beam includes an uplink beam, a downlink beam, and an uplink and downlink common beam, and there may be one or more beams activated for each TRP, wherein the activated beam may include at least one uplink beam, and/or, at least One downlink beam or at least one uplink and downlink common beam, in this embodiment, the number of activated beams is not limited.
- Step 302 Determine the first indication information according to one or more TCI state indexes activated by the second indication information.
- the first indication information is used to indicate the target universal beam.
- one TCI state index corresponds to one TRP index or one control resource set pool index.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is one, so that one TCI state index activated by the second indication information is determined as the first indication information.
- the TCI state index corresponding to the TRP is the activated TCI state index.
- the activated TCI status index corresponds to the downlink target general TCI status index
- the reference signal corresponding to the activated TCI status index indicates the downlink target general beam
- the downlink target general beam of the TRP is the reference corresponding to the TCI status index Downlink beam indicated by the signal.
- the activated TCI status index corresponds to the uplink target general TCI status index
- the reference signal corresponding to the activated TCI status index indicates the uplink target general beam
- the uplink target general beam of the TRP is the corresponding TCI status index.
- the activated TCI state index corresponds to the target general TCI state index
- the reference signal corresponding to the activated TCI state index indicates the uplink target general beam and the downlink target general beam.
- the uplink target general beam and the downlink target general beam of the TRP are the uplink beam and the downlink beam indicated by the reference signal corresponding to the TCI state index.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is multiple, it is necessary to determine one of the multiple TCI state indexes and the corresponding TRP index or The target TCI state index or index combination corresponding to the control resource set pool index is used as the first indication information.
- receive the first downlink control information DCI signaling sent by the network device where the first DCI signaling carries first indication information, where the first indication information includes a plurality of activated second indication information
- the index combination includes multiple general TCI state indexes, and different TCI state indexes correspond to different TRPs or different control resource set pool indexes.
- Step 303 using the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include transmission of channels and/or reference signals.
- step 303 may be implemented in any of the various embodiments of the present disclosure, which is not limited in the embodiment of the present disclosure, and will not be described again.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 4 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, where the method is executed by a UE.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 4 , the method includes:
- Step 401 Receive first downlink control information DCI signaling sent by a network device.
- the first DCI signaling includes first indication information of the target universal beam. That is to say, the target general TCI state index or index combination and the resource configuration information are in different DCI signaling, and the first DCI signaling includes the target general TCI state index or index combination, that is, the first indication information.
- the first DCI signaling may be based on a single TRP or based on multiple TRPs, which is not limited in this embodiment.
- the UE uses one or more receiving beams to receive one or more transmissions of the first DCI signaling, that is, the network device uses one or more TRPs to perform one or more transmissions of the first DCI signaling.
- the first DCI signaling is sent for the second time, and at the same time, each TRP corresponds to a different beam, which avoids occlusion in the signal transmission process, improves the communication quality, and ensures that the first DCI signaling is received.
- Step 402 Send the HARQ feedback information of the first hybrid automatic repeat request to the network device.
- the first HARQ feedback information is used to indicate whether the first DCI signaling of the network device is successfully received.
- the HARQ feedback resource used for sending the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- the number of times the network device sends the first DCI signaling may be one time, and correspondingly, there may be one or more candidate PUCCH/PUSCH resources for the UE to send the first HARQ feedback information.
- the number of times the network device sends the first DCI signaling may be multiple times, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the first HARQ feedback information may be one or more.
- the UE sends the first HARQ feedback information once every time it receives the first DCI signaling.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with L candidate PUCCH/PUSCH resources for sending the first HARQ feedback information, where L is less than or equal to Some of the N and L candidate PUCCH/PUSCH resources are before the end of the N transmission times, and some are after the end of the N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the first HARQ feedback information before N transmission times.
- the UE may select another candidate PUCCH/PUSCH resource, and transmit the first HARQ feedback information after the end of the N transmission times.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with 1 candidate PUCCH/PUSCH resource for sending the first HARQ feedback information, and the UE can send the first HARQ feedback information at N times. After the time expires, the first HARQ feedback information is sent.
- the target universal beam is used to perform at least two communication transmissions with the network device, wherein the communication transmission includes transmission of channels and/or reference signals.
- the sending beam for sending the first HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam that transmits the first HARQ feedback information is a transmit beam corresponding to the receive beam that receives the first DCI signaling.
- Step 403 using the target universal beam, receive the second DCI signaling sent by the network device on the physical downlink control channel PDCCH.
- the DCI signaling carrying the transmission resource configuration information is referred to as the second DCI signaling.
- the second DCI signaling carries resource configuration information for configuring reference signal, physical random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the configured reference signal may specifically include at least one of the following reference signals:
- the above reference signals can be used in different scenarios, for example, beam measurement, channel state information measurement, path loss estimation, antenna switching, positioning measurement, channel estimation or synchronization tracking during demodulation, etc., which are not listed one by one in this embodiment. In specific implementation, it is not limited to the several reference signal types listed above, and the aforementioned reference signal types do not limit the scope of the present disclosure.
- the second DCI signaling may be the first DCI signaling after the first DCI signaling is sent.
- the transmission time interval between the first DCI signaling and the second DCI signaling is sufficient for the user equipment and the network equipment to complete the HARQ feedback, that is, the time interval is sufficient for the user equipment to decode the received first DCI signaling and report to the network equipment. Feedback HARQ.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 5 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, where the method is executed by a UE.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 5 , the method includes:
- Step 501 Receive the first DCI signaling sent by the network device.
- the first DCI signaling includes first indication information, and carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH, and PDSCH.
- the first DCI signaling carries resource configuration information of transmission resources used for downlink transmission
- the first DCI signaling is the DCI signaling used for downlink resource scheduling, which may be preset.
- DCI signaling for example, DCI format 1_0, 1_1 or 1_2, or using redefined DCI signaling, which are not listed one by one in this embodiment, nor are they limited.
- the first DCI signaling carries resource configuration information of transmission resources used for uplink transmission
- the first DCI signaling is the DCI signaling used for uplink resource scheduling, which can be pre-configured.
- the set DCI signaling for example, the DCI format 0_0, 0_1 or 0_2, or the redefined DCI signaling is adopted, which is not listed one by one in this embodiment, nor is it limited.
- the first DCI signaling carries resource configuration information of transmission resources used for uplink and downlink transmission, and the first DCI signaling is DCI signaling used for uplink and downlink resource scheduling.
- the first DCI signaling may be DCI signaling for resource configuration for a single TRP or DCI signaling for resource configuration for multiple TRPs, which is not limited in this embodiment.
- Step 502 Send the second HARQ feedback information to the network device.
- the second HARQ feedback information is sent to the network device.
- the second HARQ feedback information sent by the UE to the network device may use the same beam as sending the first DCI signaling, or may use the target universal beam indicated by the first indication information included in the first DCI signaling. This example is not limited.
- the network device schedules two HARQ feedback resources through the first DCI signaling, or the UE is pre-configured with two HARQ feedback resources, then the second HARQ feedback information includes: the first feedback information for Feedback whether the first DCI signaling is successfully received, and the second feedback information is used to feed back whether the PDSCH or downlink reference signal configured by the first DCI signaling is successfully received.
- the network device schedules one HARQ feedback resource through the first DCI signaling, or the UE is pre-configured with one HARQ feedback resource, then the second HARQ feedback information includes: the first feedback information and the first HARQ feedback resource. Two feedback information, the two share the HARQ feedback resource.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is set by default.
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same HARQ feedback resources the same or different bits.
- the number of times the network device sends the first DCI signaling may be one time, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the second HARQ feedback information may be one or more.
- the number of times the network device sends the first DCI signaling may be multiple times, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the second HARQ feedback information may be one or more.
- the UE sends the second HARQ feedback information once.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with L candidate PUCCH/PUSCH resources for sending the first HARQ feedback information, where L is less than or equal to Some of the N and L candidate PUCCH/PUSCH resources are before the end of the N transmission times, and some are after the end of the N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the second HARQ feedback information before N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the second HARQ feedback information after the end of the N transmission times.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with 1 candidate PUCCH/PUSCH resource for sending the first HARQ feedback information, and the UE can send the first HARQ feedback information at N times. After the time expires, the second HARQ feedback information is sent.
- the sending beam for sending the second HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam for transmitting the second HARQ feedback information is a transmit beam corresponding to the receive beam for receiving the first DCI signaling.
- Step 503 According to the resource configuration information carried in the first DCI signaling, use the configured transmission resources to communicate and transmit with the network device.
- the network device determines whether the UE has correctly received the first DCI according to whether the UE uses the configured transmission resources to communicate with the network device without separately sending the HARQ feedback for whether the first DCI signaling is successfully received. Signaling, that is, whether the network device is configured.
- the communication transmission adopts the same beam as the first DCI signaling.
- the communication transmission adopts the target general TCI in the first DCI signaling The target general beam corresponding to the state index.
- the threshold in step 503 is set in the UE by default. As a possible implementation manner, it may be notified by a network device; as another possible implementation manner, it may be determined according to historical transmission time. It is not limited in this embodiment.
- the threshold is notified by the network device.
- the user equipment sends a reference time to the network device, and the reference time is used by the network device to determine the threshold.
- the reference time includes the first DCI signaling decoding time and its corresponding HARQ feedback time, and the beam switching time; or, the reference time includes the HARQ feedback time corresponding to the first DCI signaling, and the beam switching time. Therefore, the user equipment determines within the reference time that the decoding of the first DCI signaling, the HARQ feedback and the beam switching can be completed, or the HARQ feedback and the beam switching can be completed.
- the threshold determined by the network device is greater than or equal to the reference time.
- the communication transmission including the user equipment sending uplink transmission and/or receiving downlink transmission to the network device, is used as an example for specific description.
- the network device determines whether the UE has correctly received the first DCI signaling according to whether the UE uses the configured transmission resources to send uplink transmission to the network device A DCI signaling; or, the network device sends downlink transmission to the user equipment using the configured transmission resources, and determines whether the UE has correctly received and decoded the first DCI signaling according to whether the UE has correctly received and decoded the HARQ feedback information fed back by the downlink transmission.
- the same beam as the first DCI signaling is used for uplink transmission and/or downlink transmission.
- the time interval between uplink transmission and/or downlink transmission and the first DCI signaling is greater than or equal to the threshold, the uplink transmission and/or downlink transmission use the target general TCI state index or index combination corresponding to the first DCI signaling The same beam as the target common beam.
- the threshold is at least one of the duration required by the UE to decode the first DCI signaling, and the duration required by the UE to feed back to the network device whether the first DCI signaling is correctly received and the duration of beam switching.
- the time threshold may be determined through negotiation between the UE and the network device.
- the UE After the network device determines that the UE has correctly received the first DCI signaling, the UE performs subsequent communication and transmission with the network device, and can apply the target universal beam when performing at least two communication transmissions with the network device, thereby using the target universal beam.
- the beam communicates with network equipment for uplink transmission and/or downlink transmission.
- Step 504 using the target universal beam to perform at least two communication transmissions with the network device.
- step 503 may be implemented in any of the various embodiments of the present disclosure, which is not limited in the embodiment of the present disclosure, and will not be described again.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- the user equipment may also receive third indication information sent by the network device, and the third indication information is used to indicate The UE uses the target general beam or uses the dedicated beam for at least two communication transmissions.
- the third indication information received by the user equipment may be received before the user equipment receives the first indication information, so the user equipment determines to use the target universal beam or use the target universal beam according to the third indication information
- the dedicated beam performs at least two communication transmissions. In an example, it is determined that the dedicated beam is used to perform at least two communication transmissions, and at least two communication transmissions are performed according to the indicated dedicated beam, wherein the dedicated beam for indicating each communication transmission is used. The signaling of the beam is different signaling. In another example, if it is determined to use the target universal beam for at least two communication transmissions, the target universal beam to be used for communication transmission is further determined according to the obtained first indication information. For details, refer to any one of the above embodiments. The implementation manner of , is not repeated in this embodiment.
- the third indication information received by the user equipment may be received after the user equipment receives the first indication information, and further, the network device determines the need according to the received third indication information
- the target general beam is switched to a dedicated beam, and the dedicated beam needs to separately send signaling for each channel and/or each reference signal for independent indication.
- the network device needs to switch a certain channel or reference signal to a dedicated beam, so that only the indication information of the dedicated beam corresponding to the channel or reference signal can be sent, while the other do not receive the indication of the dedicated beam
- the information channel or reference signal will continue to use the target general beam.
- the network device may switch each channel and/or each reference signal currently using the target general beam to a dedicated beam, and send the indication information of the dedicated beam for each channel and/or reference signal respectively .
- FIG. 6 is a schematic flowchart of a beam indication method provided by an embodiment of the present disclosure, which is applied to a network device.
- Step 601 Send first indication information to the user equipment UE, where the first indication information is used to indicate the target universal beam, so that the UE uses the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include channels and/or reference transmission of signals.
- the beam indication method in this embodiment can be applied to any network device.
- Network equipment is deployed in a wireless access network to provide wireless access functions for user equipment.
- the network equipment may be a base station BS.
- the network device may wirelessly communicate with the user device via one or more antennas.
- a network device can provide communication coverage for its geographic area.
- the base stations may include different types such as macro base stations, micro base stations, relay stations, and access points.
- a base station may be referred to by those skilled in the art as a base station transceiver, wireless base station, access point, wireless transceiver, Basic Service Set BSS, Extended Service Set ESS, Node B (NodeB), Evolved Node B (evolved NodeB, eNB or eNodeB) or some other appropriate term.
- a base station is called a gNB.
- the above-mentioned apparatuses for providing wireless communication functions for user equipment are collectively referred to as network equipment.
- the user equipments may be scattered throughout the mobile communication system, and each user equipment may be stationary or mobile.
- User equipment may also be referred to by those skilled in the art as mobile station, subscriber station, mobile unit, subscriber unit, wireless unit, remote unit, mobile device, terminal device, wireless device, wireless communication device, remote device, mobile subscriber station, receiver.
- the user equipment may be a cellular phone, a personal digital assistant PDA, a wireless modem, a wireless communication device, a handheld device, a tablet computer, a laptop computer, a cordless phone, a wireless local loop WLL station, etc., capable of communicating with network equipment in a mobile communication system. to communicate.
- the first indication information may be carried in control signaling, such as radio resource control RRC signaling, or the control unit MAC CE of the medium access control layer, or downlink control information DCI signaling, or the above signaling
- control signaling such as radio resource control RRC signaling, or the control unit MAC CE of the medium access control layer, or downlink control information DCI signaling, or the above signaling
- the channel includes a combination of at least one or more of the following:
- Random access channel PRACH Random access channel PRACH.
- the reference signal includes a combination of at least one or more of the following:
- the above reference signals can be used in different scenarios, for example, beam measurement, channel state information measurement, path loss estimation, antenna switching, positioning measurement, channel estimation or synchronization tracking during demodulation, etc., which are not listed one by one in this embodiment. .
- the channels and reference signals listed above are only examples, and do not limit the present disclosure.
- the target universal beam is applied to the communication transmission between the user equipment and the network equipment.
- at least two communication transmissions may include channels and/or reference signals that belong to uplink transmission; may also include channels and/or reference signals that belong to downlink transmission; or may include channels and/or reference signals that are part of uplink transmission /or reference signal, and another part is the channel and/or reference signal for downlink transmission.
- the target universal beam can be used for communication transmission of at least two channels.
- the target general beam can be used for PDSCH channels and PDCCH channels, where PDSCH channels include all PDSCH channels or only a part of PDSCH channels, such as UE dedicated PDSCH channels; PDCCH includes all PDCCH channels or only a part of PDCCH channels, such as UE dedicated PDCCH channels channel.
- the target universal beam can be used for the PUSCH channel and the PUCCH channel, where the PUSCH channel includes all the PUSCH channels or only a part of the PUSCH channels, such as the UE dedicated PUSCH channel, and the PUCCH includes all the PUCCH channels or only a part of the PUCCH channels, such as UE dedicated PUCCH channel.
- the target universal beam can be used for the PUSCH channel and the PDSCH channel, where the PUSCH channel includes all PUSCH channels or only a part of the PUSCH channels, such as the UE dedicated PUSCH channel, and the PDSCH includes all the PDSCH channels or only a part of the PDSCH channels, such as the UE dedicated channel. PDSCH channel.
- the target common beam in the case where the target common beam is used for the PDSCH channel and the PDCCH channel, the target common beam can be called a downlink target common beam (DL common beam); in the case where the target common beam is used for the PUSCH channel and the PUCCH channel, The target common beam may be called an uplink target common beam (UL common beam); in the case that the target common beam is used for the PUSCH channel and the PDSCH channel, the target common beam is called the common beam, that is, it is used for both uplink and downlink.
- DL common beam downlink target common beam
- UL common beam uplink target common beam
- the target common beam in the case that the target common beam is used for the PUSCH channel and the PDSCH channel, the target common beam is called the common beam, that is, it is used for both uplink and downlink.
- the target universal beam can be used for communication transmission of at least two reference signals.
- the at least two reference signals here may both belong to the downlink reference signal, may also belong to the same uplink reference signal, or may be a mixture of the downlink reference signal and the uplink reference signal, which is not limited in this embodiment.
- the downlink reference signal may include at least one of SSB, CSI-RS, PRS, TRS, and DMRS; or, for another example, the uplink reference signal may include at least one of SRS and DMRS.
- CSI-RS For some reference signals, such as CSI-RS, it may also include all CSI-RS; or not include all CSI-RS, but include CSI-RS for at least one purpose, such as channel state information measurement, beam At least one of measurement, path loss estimation, and CSI-RS for positioning measurement.
- SRS Another example is SRS, which can also include all SRSs; or not include all SRSs, but include SRSs for at least one purpose, such as codebook-based channel state information measurement, non-codebook-based channel state information measurement, At least one of beam measurement, antenna switching, and SRS for positioning measurement.
- the target universal beam can be used for communication transmission of at least one reference signal and at least one channel.
- the target general beam can be used for the communication and transmission of the PDSCH channel and the downlink reference signal, and the downlink reference signal can include at least one of SSB, CSI-RS, PRS, TRS and DMRS; or, for another example, the target general beam can be For communication and transmission of PUSCH and uplink reference signals, the uplink reference signals may include at least one of SRS and DMRS.
- PDSCH here may include all PDSCH, or only part of PDSCH, such as UE dedicated PDSCH; here PUSCH may include all PUSCH, or only part of PUSCH, such as UE dedicated PUSCH; here reference signal, such as CSI- RS or SRS may include CSI-RS or SRS for all purposes or at least one purpose.
- downlink channel uplink channel
- downlink reference signal uplink reference signal
- uplink reference signal uplink reference signal
- the first indication information further includes indication information of at least two kinds of communication transmissions, that is, the indication information indicates that the user equipment adopts the target universal beam to perform communication between the network device and the user equipment.
- the determined at least two types of communication transmission for example, the indication information indicates that the communication transmission between the user equipment and the network device using the target universal beam is PDSCH channel and PDCCH channel transmission, wherein, about the at least two types of communication
- the implementation manner of transmission has been described in the above implementation manner, and will not be repeated here.
- the target universal beam may be a single beam or multiple beams, which is not limited in this embodiment.
- the target general beam When the target general beam is multi-beam, it is necessary to determine the target general beam corresponding to each TRP or the target general beam corresponding to each control resource pool index according to the first indication information sent by the network device, so that the first indication
- the target TCI state index in the message should correspond to the TRP or control resource set pool index.
- the first indication information is sent to the UE through the network device, so that after the UE receives the first indication information sent by the network device, the UE communicates with the network device on at least two channels, or at least two reference signals, or at least one
- the target universal beam is used for communication and transmission on the reference signal and at least one channel. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 7 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, which is applied to user equipment.
- the indication method of the target universal beam is described. As shown in FIG. 7 , the method includes:
- Step 701 Send the target general TCI state index or index combination to the user equipment UE, so that the UE determines the target general beam according to the TCI state index or index combination, and uses the target general beam to perform at least two communication transmissions with the network equipment.
- the first indication information received by the user equipment includes the TCI state index or index combination sent by the network device including the target general transmission configuration indication.
- the target general TCI state index combination can be determined by the combination identifier, for example, 01 and 02 respectively indicate different index combinations; or different code points can be used to indicate different index combinations, such as a 3-bit code Points 000 and 001 respectively indicate different index combinations.
- One or more TCI state indexes are included in different index combinations.
- the target general transmission configuration indication TCI state index may be one or more.
- the target general TCI state index corresponds to one or more reference signals RS, and each reference signal is used to indicate at least one of an uplink target general beam and a downlink target general beam.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the reference signal corresponding to the downlink target general TCI state index such as RS
- the reference signal corresponding to the uplink target general TCI state index is not used for Indicates the target common beam of the downlink channel or downlink reference signal.
- the reference signal corresponding to the uplink and downlink target general TC state index may simultaneously indicate the target general beam for uplink transmission or downlink transmission, and are respectively indicated by one reference signal RS or two reference signals RS.
- the network device configures the UE through the radio resource control RRC signaling with the corresponding relationship between the target general TCI state index and the reference signal RS, wherein the UE obtains the target TCI state index according to the target TCI state index State index, by querying the correspondence between the TCI state index and the RS, the reference signal RS corresponding to the target TCI state index can be obtained.
- the UE determines the corresponding beam according to the reference signal RS.
- the corresponding relationship between the TCI state index and the RS may be in a TCI table or other forms, and the corresponding relationship is in the form of a TCI table as an example for description.
- the TCI table may include information such as a TCI state index (that is, a TCI State ID), a reference signal index RS ID, and the like.
- the target general TCI state index included is determined according to the identification of the index combination or the mapping relationship between the codepoint and the index combination displayed by the bits, and then, according to The corresponding relationship between the pre-configured TCI state index and the RS determines the corresponding target general beam.
- the TCI status index sent by the network device may indicate one of the uplink target general beam and the downlink target general beam. That is, the uplink target general TCI status index is used to indicate the uplink target general beam, and the downlink target general beam is used.
- the target general TCI state index indicates the downlink target general beam.
- the target general TCI state index sent by the network device may be used to indicate the uplink target general beam and the downlink target general beam.
- the target general TCI state index sent by the network device indicates a corresponding RS for each TRP, that is, the RS indicates both the uplink target general beam and the downlink target general beam.
- the target general TCI state index sent by the network device indicates a corresponding RS for each TRP, and this RS may indicate an uplink target general beam or a downlink target general beam.
- the target general TCI state sent by the network device indicates two corresponding RSs for each TRP, one of the two RSs is used to indicate the uplink target general beam, and the other RS is used to indicate the downlink target general beam. beam.
- the target general TCI state index corresponds to a sending and receiving point TRP index or a control resource set pool index. That is to say, the target general TCI state index and one TRP are common for multiple communication transmissions, and different TRPs use different target general TCI state indexes; the target general TCI state index and a control resource set pool index are used for various The communication transmission is common, and different control resource set pool indexes use different target common TCI state indexes.
- the determined general beam is the beam corresponding to the TRP; in another embodiment, when there are multiple TRPs, different TRPs have corresponding targets
- the general TCI state index, and the target general TCI state index has a corresponding RS, so that the target general beam corresponding to the corresponding TPR can be determined.
- the UE determines the target general beam according to the target general TCI state index or the index combination, and uses the target general beam to perform at least two communication transmissions with the network device.
- the network device may configure the corresponding relationship between the target general TCI state index and the RS for the UE through high-level signaling, such as radio resource control RRC signaling, or the control unit MAC CE of the medium access control layer.
- the UE can determine the corresponding general beam according to the target general TCI state index dynamically indicated by the network device.
- the user equipment uses the determined target universal beam to perform at least two kinds of communication transmissions, wherein the communication transmissions include transmission of channels and/or reference signals, which can be respectively adopted in the various embodiments of the present disclosure.
- the communication transmissions include transmission of channels and/or reference signals, which can be respectively adopted in the various embodiments of the present disclosure.
- the embodiments of the present disclosure do not limit this, and will not be repeated here.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 8 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, which is applied to a network device.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 8 , the method includes:
- Step 801 Send the control element MAC CE signaling of the medium access control layer to the UE.
- the MAC CE carries second indication information for activating one or more TCI state indexes, and one TCI state index corresponds to one TRP index or one control resource set pool index.
- the MAC CE signaling includes an indication bit, which records the second indication information for activating one or more TCI state indexes, that is to say, the second indication information indicates one or more TCIs to be activated state index.
- the MAC CE has a corresponding indication bit for each TCI state index, so that the UE determines the corresponding TCI state index according to the second indication information in the indication bit, and a TCI state index corresponds to a TRP index or a TRP index. Controls the resource set pool index.
- the beam includes an uplink beam, a downlink beam and an uplink and downlink common beam, and there may be one or more beams activated for each TRP, wherein the activated beam may include at least one uplink beam, and/or, at least One downlink beam or at least one uplink and downlink common beam, in this embodiment, the number of activated beams is not limited.
- the UE is caused to determine the first indication information according to one or more TCI state indexes activated by the second indication information.
- one TCI state index corresponds to one TRP index or one control resource set pool index.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is one, so that one TCI state index activated by the second indication information is determined as the first indication information.
- the TCI state index corresponding to the TRP is the activated TCI state index.
- the activated TCI status index corresponds to the downlink target general TCI status index
- the reference signal corresponding to the activated TCI status index indicates the downlink target general beam
- the downlink target general beam of the TRP is the reference corresponding to the TCI status index Downlink beam indicated by the signal.
- the activated TCI status index corresponds to the uplink target general TCI status index
- the reference signal corresponding to the activated TCI status index indicates the uplink target general beam
- the uplink target general beam of the TRP is the corresponding TCI status index.
- the activated TCI state index corresponds to the target general TCI state index
- the reference signal corresponding to the activated TCI state index indicates the uplink target general beam and the downlink target general beam. Then, the uplink target general beam and the downlink target general beam of the TRP are the uplink beam and the downlink beam indicated by the reference signal corresponding to the TCI state index.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is multiple, it is necessary to determine one of the multiple TCI state indexes and the corresponding TRP index or The target TCI state index or index combination corresponding to the control resource set pool index is used as the first indication information, and as an implementation manner, the first downlink control information DCI signaling sent by the network device is received, and the first DCI signaling carries There is first indication information, wherein the first indication information includes a target general TCI state index or a combination of indexes among multiple TCI state indexes activated by the second indication information.
- the index combination includes multiple general TCI state indexes, and different TCI state indexes correspond to different TRPs or different control resource set pool indexes.
- the user equipment uses the determined target universal beam to perform at least two communication transmissions, wherein the communication transmissions include transmission of channels and/or reference signals, which may be respectively adopted in the various embodiments of the present disclosure.
- the communication transmissions include transmission of channels and/or reference signals, which may be respectively adopted in the various embodiments of the present disclosure.
- the embodiments of the present disclosure do not limit this, and will not be described again.
- the first indication information of the target universal beam is sent to the UE through the network device, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 9 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, where the method is executed by a network device.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 9 , the method includes:
- Step 901 Send first downlink control information DCI signaling to the UE.
- the first DCI signaling includes first indication information of the target universal beam. That is to say, the target general TCI state index or index combination and the resource configuration information are in different DCI signaling, and the first DCI signaling includes the target general TCI state index or index combination, that is, the first indication information.
- the first DCI signaling may be based on a single TRP or based on multiple TRPs, which is not limited in this embodiment.
- the UE uses one or more receiving beams to receive one or more transmissions of the first DCI signaling, that is, the network device uses one or more TRPs to perform one or more transmissions of the first DCI signaling.
- the first DCI signaling is sent for the second time, and at the same time, each TRP corresponds to a different beam, which avoids occlusion in the signal transmission process, improves the communication quality, and ensures that the first DCI signaling is received.
- Step 902 Receive the HARQ feedback information of the first hybrid automatic repeat request sent by the UE.
- the first HARQ feedback information is used to indicate whether the first DCI signaling of the network device is successfully received.
- the HARQ feedback resource used by the UE to send the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- the number of times the network device sends the first DCI signaling may be one time, and correspondingly, there may be one or more candidate PUCCH/PUSCH resources for the UE to send the first HARQ feedback information.
- the number of times the network device sends the first DCI signaling may be multiple times, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the first HARQ feedback information may be one or more.
- the UE sends the first HARQ feedback information once every time it receives the first DCI signaling.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with L candidate PUCCH/PUSCH resources for sending the first HARQ feedback information, where L is less than or equal to Some of the N and L candidate PUCCH/PUSCH resources are before the end of the N transmission times, and some are after the end of the N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the first HARQ feedback information before N transmission times.
- the UE may select another candidate PUCCH/PUSCH resource, and transmit the first HARQ feedback information after the end of the N transmission times.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with 1 candidate PUCCH/PUSCH resource for sending the first HARQ feedback information, and the UE can send the first HARQ feedback information at N times. After the time expires, the first HARQ feedback information is sent.
- the target universal beam is used to perform at least two communication transmissions with the network device, wherein the communication transmission includes transmission of channels and/or reference signals.
- the sending beam for sending the first HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam that transmits the first HARQ feedback information is a transmit beam corresponding to the receive beam that receives the first DCI signaling.
- Step 903 Send the second DCI signaling to the UE on the PDCCH, so that the UE uses the target general beam to receive the second DCI signaling.
- the DCI signaling carrying the transmission resource configuration information is referred to as the second DCI signaling.
- the second DCI signaling carries resource configuration information for configuring reference signal, physical random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the configured reference signal may specifically include at least one of the following reference signals:
- the above reference signals can be used in different scenarios, for example, beam measurement, channel state information measurement, path loss estimation, antenna switching, positioning measurement, channel estimation or synchronization tracking during demodulation, etc., which are not listed one by one in this embodiment.
- beam measurement channel state information measurement
- path loss estimation path loss estimation
- antenna switching positioning measurement
- channel estimation or synchronization tracking during demodulation etc.
- the second DCI signaling may be the first DCI signaling after the first DCI signaling is sent.
- the transmission time interval between the first DCI signaling and the second DCI signaling is sufficient for the user equipment and the network equipment to complete the HARQ feedback, that is, the time interval is sufficient for the user equipment to decode the received first DCI signaling and report to the network equipment. Feedback HARQ.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- FIG. 10 is a schematic flowchart of another beam indication method provided by an embodiment of the present disclosure, where the method is executed by a network device.
- the present disclosure provides a possible way of carrying the first indication information of the target universal beam. As shown in FIG. 10 , the method includes:
- Step 1001 Send first downlink control information DCI signaling to a UE.
- the first DCI signaling includes first indication information, and carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH, and PDSCH.
- the first DCI signaling carries resource configuration information of transmission resources used for downlink transmission
- the first DCI signaling is the DCI signaling used for downlink resource scheduling, which may be preset.
- DCI signaling for example, DCI format 1_0, 1_1 or 1_2, or using redefined DCI signaling, which are not listed one by one in this embodiment, nor are they limited.
- the first DCI signaling carries resource configuration information of transmission resources used for uplink transmission
- the first DCI signaling is the DCI signaling used for uplink resource scheduling, which can be pre-configured.
- the set DCI signaling for example, DCI format 0_0, 0_1 or 0_2, or adopting the redefined DCI signaling, are not listed one by one in this embodiment, nor are they limited.
- the first DCI signaling carries resource configuration information of transmission resources used for uplink and downlink transmission, and the first DCI signaling is DCI signaling used for uplink and downlink resource scheduling.
- the first DCI signaling may be DCI signaling for resource configuration for a single TRP or DCI signaling for resource configuration for multiple TRPs, which is not limited in this embodiment.
- Step 1002 Receive second HARQ feedback information sent by the UE.
- the second HARQ feedback information is sent to the network device.
- the second HARQ feedback information sent by the UE to the network device may use the same beam as sending the first DCI signaling, or may use the target universal beam indicated by the first indication information included in the first DCI signaling. This example is not limited.
- the network device schedules two HARQ feedback resources through the first DCI signaling, or the UE is pre-configured with two HARQ feedback resources, then the second HARQ feedback information includes: the first feedback information for Feedback whether the first DCI signaling is successfully received, and the second feedback information is used to feed back whether the PDSCH or downlink reference signal configured by the first DCI signaling is successfully received.
- the network device schedules one HARQ feedback resource through the first DCI signaling, or the UE is pre-configured with one HARQ feedback resource, then the second HARQ feedback information includes: the first feedback information and the first HARQ feedback resource. Two feedback information, the two share the HARQ feedback resource.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is set by default.
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same HARQ feedback resources the same or different bits.
- the number of times the network device sends the first DCI signaling may be one time, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the second HARQ feedback information may be one or more.
- the number of times the network device sends the first DCI signaling may be multiple times, and correspondingly, the number of candidate PUCCH/PUSCH resources for the UE to send the second HARQ feedback information may be one or more.
- the UE sends the second HARQ feedback information once.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with L candidate PUCCH/PUSCH resources for sending the first HARQ feedback information, where L is less than or equal to Some of the N and L candidate PUCCH/PUSCH resources are before the end of the N transmission times, and some are after the end of the N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the second HARQ feedback information before N transmission times.
- the UE may select a candidate PUCCH/PUSCH resource, and transmit the second HARQ feedback information after the end of the N transmission times.
- the network device repeatedly sends the first DCI signaling at N sending times, correspondingly, the UE is configured with 1 candidate PUCCH/PUSCH resource for sending the first HARQ feedback information, and the UE can send the first HARQ feedback information at N times. After the time expires, the second HARQ feedback information is sent.
- the sending beam for sending the second HARQ feedback information is the sending beam corresponding to the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam for transmitting the second HARQ feedback information is a transmit beam corresponding to the receive beam for receiving the first DCI signaling.
- Step 1003 Communicate and transmit with the UE according to the resource configuration information carried in the first DCI signaling.
- the network device determines whether the UE has correctly received the first DCI according to whether the UE uses the configured transmission resources to communicate with the network device without separately sending the HARQ feedback for whether the first DCI signaling is successfully received. Signaling, that is, whether the network device is configured.
- the communication transmission adopts the same beam as the first DCI signaling.
- the communication transmission adopts the target general TCI in the first DCI signaling The target general beam corresponding to the state index.
- the threshold in step 1003 is set in the UE by default.
- the threshold value may be determined by the network device; as another possible implementation manner, the threshold value may be determined by the network device according to historical transmission time. It is not limited in this embodiment.
- the network device sends the threshold indication information to the UE according to the reference time sent by the UE.
- the reference time includes the first DCI signaling decoding time and its corresponding HARQ feedback time, and the beam switching time; or, the reference time includes the HARQ feedback time corresponding to the first DCI signaling, and the beam switching time. Therefore, the user equipment determines within the reference time that the decoding of the first DCI signaling, the HARQ feedback and the beam switching can be completed, or the HARQ feedback and the beam switching can be completed.
- the threshold determined by the network device is greater than or equal to the reference time.
- the communication transmission including the user equipment sending uplink transmission and/or receiving downlink transmission to the network device, is used as an example for specific description.
- the network device determines whether the UE has correctly received the first DCI signaling according to whether the UE uses the configured transmission resources to send uplink transmission to the network device A DCI signaling; or, the network device sends downlink transmission to the user equipment using the configured transmission resources, and determines whether the UE has correctly received and decoded the first DCI signaling according to whether the UE has correctly received and decoded the HARQ feedback information fed back by the downlink transmission.
- the same beam as the first DCI signaling is used for uplink transmission and/or downlink transmission.
- the time interval between uplink transmission and/or downlink transmission and the first DCI signaling is greater than or equal to the threshold, the uplink transmission and/or downlink transmission use the target general TCI state index or index combination corresponding to the first DCI signaling The same beam as the target common beam.
- the threshold is at least one of the duration required by the UE to decode the first DCI signaling, and the duration required by the UE to feed back to the network device whether the first DCI signaling is correctly received and the duration of beam switching.
- the time threshold may be determined through negotiation between the UE and the network device.
- the UE After the network device determines that the UE has correctly received the first DCI signaling, the UE performs subsequent communication and transmission with the network device, and can apply the target universal beam when performing at least two communication transmissions with the network device.
- start timing from the moment when the first DCI signaling is received, and determine that at least two communication transmissions are performed after the timing reaches the aforementioned threshold, that is, the target universal beam is used to carry out at least two communication transmissions with the network device.
- Channels and/or The transmission of the reference signal saves the signaling overhead.
- the user equipment uses the target universal beam to perform at least two communication transmissions with the network equipment, wherein the communication transmissions include transmission of channels and/or reference signals, which are not limited in the embodiments of the present disclosure, nor No longer.
- the network device sends the first indication information of the target universal beam to the UE, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- the present disclosure provides a possible beam indication and switching manner.
- the third indication information is sent to the UE, and the third indication information is used to instruct the UE to use the target universal beam or Dedicated beams are used for at least two communication transmissions.
- the third indication information received by the user equipment may be received before the user equipment receives the first indication information, so the user equipment determines to use the target universal beam or use the target universal beam according to the third indication information
- the dedicated beam performs at least two communication transmissions. In an example, it is determined that the dedicated beam is used for at least two communication transmissions, and at least two communication transmissions are performed according to the indicated dedicated beam, wherein the dedicated beam for indicating each communication transmission The signaling of the beam is different signaling. In another example, if it is determined to use the target universal beam for at least two communication transmissions, then further according to the acquired first indication information, the target universal beam to be used for communication transmission is determined. For details, refer to any one of the above embodiments. The implementation manner of , is not repeated in this embodiment.
- the third indication information received by the user equipment may be received after the user equipment receives the first indication information, and further, the network device determines the need according to the received third indication information
- the target general beam is switched to a dedicated beam, and the dedicated beam needs to separately send signaling for each channel and/or each reference signal for independent indication.
- the network device needs to switch a certain channel or reference signal to a dedicated beam, so that only the indication information of the dedicated beam corresponding to the channel or reference signal can be sent, while the other do not receive the indication of the dedicated beam
- the information channel or reference signal will continue to use the target general beam.
- the network device may switch each channel and/or each reference signal currently using the target general beam to a dedicated beam, and send the indication information of the dedicated beam for each channel and/or reference signal respectively .
- the present disclosure also provides a beam indicating device. Since the beam indicating device provided in the embodiments of the present disclosure corresponds to the methods provided in the above-mentioned embodiments, the beam indicating device The implementation of the method is also applicable to the beam indicating device provided in this embodiment, which is not described in detail in this embodiment.
- FIG. 11 is a schematic structural diagram of a beam pointing device 110 according to an embodiment of the present disclosure.
- the apparatus is applied to user equipment.
- the beam pointing device 110 includes: an acquisition module 1101 and an execution module 1102, wherein:
- the obtaining module 1101 is configured to obtain first indication information, wherein the first indication information is used to indicate the target universal beam;
- the execution module 1102 is configured to use the target universal beam to perform at least two communication transmissions with the network device, wherein the communication transmissions include transmission of channels and/or reference signals.
- the first indication information includes a target general transmission configuration indication TCI state index or an index combination.
- the target general TCI state index corresponds to a sending and receiving point TRP index or a control resource set pool index.
- the target general TCI state index corresponds to one or more reference signals, and each of the reference signals is used to indicate at least one of an uplink target general beam and a downlink target general beam .
- the obtaining module 1101 includes:
- a receiving unit configured to receive the control unit MAC CE signaling of the medium access control layer sent by the network device, wherein the MAC CE carries second indication information for activating one or more TCI state indexes,
- the one TCI state index corresponds to a TRP index or a control resource set pool index.
- the determining unit is configured to determine the first indication information according to the one or more TCI state indexes activated by the second indication information.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is one, and the above determining unit is configured as:
- a TCI state index activated by the second indication information is determined as the first indication information.
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is multiple, and the above determining unit is further configured as:
- the apparatus further includes:
- a sending module configured to send the first hybrid automatic repeat request HARQ feedback information to the network device
- the first HARQ feedback information is used to indicate whether the first DCI signaling is successfully received by the network device
- the HARQ feedback resource used for sending the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- the above-mentioned execution module 1102 is configured to:
- the second DCI signaling carries resource configuration information for configuring reference signal, random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the first DCI signaling further carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH, and PDSCH.
- the above-mentioned sending module is further configured to:
- the second HARQ feedback information includes:
- first feedback information used to feed back whether the first DCI signaling is successfully received
- the second feedback information is used to feed back whether the PDSCH and/or the downlink reference signal configured by the first DCI signaling is successfully received.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is set by default .
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same or different bits in the same HARQ feedback resource.
- the sending beam for sending the first HARQ feedback information is the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam or, is the transmit beam corresponding to the receive beam that receives the first DCI signaling.
- the sending beam for sending the second HARQ feedback information is the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling.
- the transmit beam or, is the transmit beam corresponding to the receive beam that receives the first DCI signaling.
- the device further includes:
- a communication module configured to use the configured transmission resource to communicate with the network device according to the resource configuration information carried by the first DCI signaling.
- the communication transmission adopts the same method as the first DCI signaling. the same beam; when the time interval between the communication transmission and the first DCI signaling is greater than or equal to the threshold, the communication transmission adopts the target general TCI in the first DCI signaling The target general beam corresponding to the state index or index combination.
- the threshold is notified by the network device
- the above sending module is further configured to send a reference time to the network device, where the reference time is used for the network device to determine the threshold;
- the reference time includes the decoding time of the first DCI signaling and its corresponding HARQ feedback time, and the beam switching time; or, the reference time includes the HARQ feedback time corresponding to the first DCI signaling, and Beam switching time.
- the threshold is set in the UE by default.
- the UE uses one or more receive beams to receive one or more transmissions of the first DCI signaling.
- the first DCI signaling is DCI signaling used for downlink resource scheduling, or DCI signaling used for uplink resource scheduling, or is used for uplink and downlink resource scheduling.
- the DCI signaling for resource scheduling may be the DCI signaling only used for uplink and downlink target general beam indication.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the above-mentioned obtaining module 1101 is further configured to:
- the first indication information further includes indication information of the at least two communication transmissions.
- the channel includes at least one or a combination of the following:
- Random access channel PRACH Random access channel PRACH.
- the reference signal includes at least one or a combination of the following:
- the first indication information of the target universal beam is sent to the UE through the network device, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- the present disclosure also provides a beam indicating device. Since the beam indicating device provided in the embodiments of the present disclosure corresponds to the beam indicating methods provided in the above-mentioned embodiments, the The implementation of the beam indication method is also applicable to the beam indication apparatus provided in this embodiment, which will not be described in detail in this embodiment.
- FIG. 12 is a schematic structural diagram of a beam pointing device 120 according to an embodiment of the present disclosure.
- the apparatus is applied to network equipment.
- the beam indicating device 120 includes: an indicating module 1201 .
- the indication module 1201 is configured to send first indication information to a user equipment UE, where the first indication information is used to indicate a target universal beam, so that the UE uses the target universal beam to perform at least two kinds of communications with the network device transmission, wherein the communication transmission includes transmission of a channel and/or a reference signal.
- the first indication information includes a target general transmission configuration indication TCI state index or an index combination.
- the target general TCI state index corresponds to a TRP index of a sending and receiving point or a control resource set pool index.
- the target general TCI state index corresponds to one or more reference signals, and each of the reference signals is used to indicate an uplink target general beam and a downlink target general beam. at least one.
- the above indication module 1201 is configured to:
- the number of TCI state indexes activated by the second indication information for one TRP index or one control resource set pool index is one; wherein, the first indication information represents A TCI state index in which the second indication information is activated.
- the number of TCI indexes activated by the second indication information for one TRP index or one control resource set pool index is multiple; the above indication module 1201 is configured as:
- first downlink control information DCI signaling to the UE, where the first DCI signaling carries the first indication information; wherein the first indication information includes multiple activations of the second indication information
- a target generic TCI state index or index combination in the TCI state index A target generic TCI state index or index combination in the TCI state index.
- the apparatus further includes:
- a receiving module configured to receive the first HARQ feedback information sent by the UE
- the first HARQ feedback information is used to indicate whether the first DCI signaling is successfully received by the network device
- the HARQ feedback resource used for sending the first HARQ feedback information is configured by the first DCI signaling, or is set by default.
- the apparatus further includes:
- a sending module configured to send second DCI signaling to the UE on the PDCCH, so that the UE uses the target universal beam to receive the second DCI signaling;
- the second DCI signaling carries resource configuration information for configuring reference signal, random access channel PRACH, physical uplink shared channel PUSCH, physical uplink control channel PUCCH and/or physical downlink shared channel PDSCH transmission resources.
- the first DCI signaling further carries resource configuration information for configuring transmission resources for at least one of the reference signal, PRACH, PUSCH, PUCCH, and PDSCH.
- the above receiving module is further configured as:
- the second HARQ feedback information includes:
- first feedback information used to feed back whether the first DCI signaling is successfully received
- the second feedback information is used to feed back whether the PDSCH and/or the downlink reference signal configured by the first DCI signaling is successfully received.
- the HARQ feedback resource used for sending the first feedback information and/or the second feedback information is configured by the first DCI signaling, or is by default set up.
- the HARQ feedback resources used for sending the first feedback information and/or the second feedback information are the same HARQ feedback resources or different HARQ feedback resources.
- the first feedback information and/or the second feedback information correspond to the same or different bits in the same HARQ feedback resource.
- the sending beam for sending the first HARQ feedback information is the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling
- the corresponding transmit beam or, is the transmit beam corresponding to the receive beam that receives the first DCI signaling.
- the sending beam for sending the second HARQ feedback information is the target general beam corresponding to the target general TCI state index or index combination in the first DCI signaling
- the corresponding transmit beam or, is the transmit beam corresponding to the receive beam that receives the first DCI signaling.
- the apparatus further includes:
- a communication module configured to communicate and transmit with the UE according to the resource configuration information carried by the first DCI signaling.
- indicating that the time interval between the communication transmission and the first DCI signaling is less than a threshold indicating that the UE uses the same method as the first DCI signaling.
- the communication transmission is performed with the beam of the first DCI signal; indicating that the time interval between the communication transmission and the first DCI signaling is greater than or equal to the threshold, indicating that the UE is instructed to use the target in the first DCI signaling.
- the target general beam corresponding to the general TCI state index or index combination performs the communication transmission.
- the above-mentioned sending module is further configured to:
- the reference time includes the time used by the UE to decode the first DCI signaling and its corresponding HARQ feedback time, and the time used for beam switching; or, the reference time includes the time used by the UE to perform the first DCI signaling. Let the corresponding HARQ feedback time and beam switching time be used.
- the first DCI signaling is sent one or more times, and the UE is instructed to use one or more receiving beams to receive the first DCI signaling.
- the first DCI signaling is DCI signaling used for downlink resource scheduling, or DCI signaling used for uplink resource scheduling, or is used for uplink and downlink resource scheduling.
- the target general TCI state index includes at least one of a downlink target general TCI state index, an uplink target general TCI state index, and an uplink and downlink target general TCI state index.
- the above-mentioned sending module is further configured to send third indication information to the UE, where the third indication information is used to instruct the UE to use the target universal beam Or use dedicated beams for the at least two communication transmissions.
- the first indication information further includes indication information of the at least two communication transmissions.
- the channel includes at least one or a combination of the following:
- Random access channel PRACH Random access channel PRACH.
- the reference signal includes at least one or a combination of the following:
- the first indication information of the target universal beam is sent to the UE through the network device, so that after the UE receives the first indication information of the target universal beam sent by the network device, it communicates with the network device on at least two channels, or at least Two reference signals, or at least one reference signal and at least one channel are used for communication and transmission using the target universal beam. Since the first indication information of the target general beam is only sent once, the target general beam can be used for various communication transmissions including reference signal transmission and channel transmission, thereby avoiding the need for each channel transmission or reference signal transmission The beams are indicated separately, which saves signaling overhead.
- the present disclosure also proposes a communication device.
- the communication device includes a processor, a transceiver, a memory, and an executable program stored in the memory and capable of being executed by the processor, wherein the processor executes the foregoing method when the executable program is executed.
- the communication device may be the aforementioned network device or terminal.
- the processor may include various types of storage media, which are non-transitory computer storage media that can continue to memorize and store information on the communication device after the power is turned off.
- the communication device includes a network device or a terminal.
- the processor may be connected to the memory through a bus or the like, for reading executable programs stored in the memory, for example, as shown in FIG. 1 to FIG. 5 , or at least one of FIGS. 6 to 10 .
- the present disclosure also proposes a computer storage medium.
- the computer storage medium provided by the embodiment of the present disclosure stores an executable program; after the executable program is executed by the processor, the foregoing method can be implemented, for example, as shown in FIG. 1 to FIG. one.
- FIG. 13 is a block diagram of a communication device of a beam indication method according to an embodiment of the present disclosure.
- Communication devices are intended to represent various forms of digital computers, such as laptop computers, desktop computers, workstations, personal digital assistants, servers, blade servers, mainframe computers, and other suitable computers.
- Communication devices may also represent various forms of mobile devices, such as personal digital processors, cellular phones, smart phones, wearable devices, and other similar computing devices.
- the components shown herein, their connections and relationships, and their functions are by way of example only, and are not intended to limit implementations of the disclosure described and/or claimed herein.
- the communication device includes: one or more processors 1300, a memory 1400, and interfaces for connecting various components, including a high-speed interface and a low-speed interface.
- the various components are interconnected using different buses and may be mounted on a common motherboard or otherwise as desired.
- the processor may process instructions executed within the communication device, including instructions stored in or on memory to display graphical information of the GUI on an external input/output device, such as a display device coupled to the interface.
- multiple processors and/or multiple buses may be used with multiple memories and multiple memories, if desired.
- multiple communication devices may be connected, with each device providing some of the necessary operations (eg, as a server array, a group of blade servers, or a multi-processor system).
- a processor 1300 is used as an example.
- the memory 1400 is the non-transitory computer-readable storage medium provided by the present disclosure.
- the memory stores instructions executable by at least one processor, so that the at least one processor executes the beam indication method provided by the present disclosure.
- the non-transitory computer-readable storage medium of the present disclosure stores computer instructions for causing a computer to execute the beam pointing method provided by the present disclosure.
- the memory 1400 can be used to store non-transitory software programs, non-transitory computer-executable programs, and modules, such as program instructions/modules corresponding to the beam pointing method in the embodiments of the present disclosure (for example, appendix).
- the processor 1300 executes various functional applications and data processing of the server by running the non-transitory software programs, instructions and modules stored in the memory 1400, ie, implements the beam transmission method in the above method embodiments.
- the memory 1400 may include a storage program area and a storage data area, wherein the storage program area may store an operating system, an application program required for at least one function; the storage data area may store data created according to the use of the positioning communication device, and the like. Additionally, memory 1400 may include high-speed random access memory, and may also include non-transitory memory, such as at least one magnetic disk storage device, flash memory device, or other non-transitory solid-state storage device. Optionally, the memory 1400 may optionally include memory located remotely from the processor 1300, and these remote memories may be connected to the positioning communication device through a network. Examples of such networks include, but are not limited to, the Internet, an intranet, a local area network, a mobile communication network, and combinations thereof.
- the communication device may further include: an input device 1500 and an output device 1600 .
- the processor 1300, the memory 1400, the input device 1500, and the output device 1600 may be connected by a bus or in other ways, and the connection by a bus is taken as an example in FIG. 13 .
- the input device 1500 can receive input numerical or character information, and generate key signal input related to user settings and functional control of the positioning communication device, such as a touch screen, keypad, mouse, trackpad, touchpad, pointing stick, one or more Input devices such as mouse buttons, trackballs, joysticks, etc.
- the output device 1600 may include a display device, auxiliary lighting devices (eg, LEDs), haptic feedback devices (eg, vibration motors), and the like.
- the display device may include, but is not limited to, a liquid crystal display (LCD), a light emitting diode (LED) display, and a plasma display. In some implementations, the display device may be a touch screen.
- Various implementations of the systems and techniques described herein can be implemented in digital electronic circuitry, integrated circuit systems, application specific ASICs (application specific integrated circuits), computer hardware, firmware, software, and/or combinations thereof. These various embodiments may include being implemented in one or more computer programs executable and/or interpretable on a programmable system including at least one programmable processor that The processor, which may be a special purpose or general-purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device an output device.
- the processor which may be a special purpose or general-purpose programmable processor, may receive data and instructions from a storage system, at least one input device, and at least one output device, and transmit data and instructions to the storage system, the at least one input device, and the at least one output device an output device.
- machine-readable medium and “computer-readable medium” refer to any computer program product, apparatus, and/or apparatus for providing machine instructions and/or data to a programmable processor ( For example, magnetic disks, optical disks, memories, programmable logic devices (PLDs), including machine-readable media that receive machine instructions as machine-readable signals.
- machine-readable signal refers to any signal used to provide machine instructions and/or data to a programmable processor.
- the systems and techniques described herein may be implemented on a computer having a display device (eg, a CRT (cathode ray tube) or LCD (liquid crystal display) monitor) for displaying information to the user ); and a keyboard and pointing device (eg, a mouse or trackball) through which a user can provide input to the computer.
- a display device eg, a CRT (cathode ray tube) or LCD (liquid crystal display) monitor
- a keyboard and pointing device eg, a mouse or trackball
- Other kinds of devices can also be used to provide interaction with the user; for example, the feedback provided to the user can be any form of sensory feedback (eg, visual feedback, auditory feedback, or tactile feedback); and can be in any form (including acoustic input, voice input, or tactile input) to receive input from the user.
- the systems and techniques described herein may be implemented on a computing system that includes back-end components (eg, as a data server), or a computing system that includes middleware components (eg, an application server), or a computing system that includes front-end components (eg, a user computer having a graphical user interface or web browser through which a user may interact with implementations of the systems and techniques described herein), or including such backend components, middleware components, Or any combination of front-end components in a computing system.
- the components of the system may be interconnected by any form or medium of digital data communication (eg, a communication network). Examples of communication networks include: Local Area Networks (LANs), Wide Area Networks (WANs), and the Internet.
- a computer system can include clients and servers.
- Clients and servers are generally remote from each other and usually interact through a communication network.
- the relationship of client and server arises by computer programs running on the respective computers and having a client-server relationship to each other.
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Abstract
Description
Claims (57)
- 一种波束指示方法,其特征在于,应用于用户设备UE,所述方法包括:获取第一指示信息,其中,所述第一指示信息用于指示目标通用波束;采用所述目标通用波束与网络设备进行至少两种通信传输,其中,所述通信传输包括信道和/或参考信号的传输。
- 根据权利要求1所述的波束指示方法,其特征在于,所述第一指示信息包括目标通用传输配置指示TCI状态索引或索引组合。
- 根据权利要求2所述的波束指示方法,其特征在于,所述目标通用TCI状态索引对应一个发送接收点TRP索引或一个控制资源集池索引。
- 根据权利要求2所述的波束指示方法,其特征在于,所述目标通用TCI状态索引对应一个或多个参考信号,各所述参考信号用于指示上行目标通用波束和下行目标通用波束中的至少一项。
- 根据权利要求1所述的波束指示方法,其特征在于,所述获取第一指示信息,包括:接收所述网络设备发送的媒体接入控制层的控制单元MAC CE信令,其中,所述MAC CE中携带有用于激活一个或多个TCI状态索引的第二指示信息,所述一个TCI状态索引对应一个TRP索引或一个控制资源集池索引;根据所述第二指示信息激活的所述一个或多个TCI状态索引,确定所述第一指示信息。
- 根据权利要求5所述的波束指示方法,其特征在于,所述第二指示信息针对一个TRP索引或一个控制资源集池索引激活的TCI状态索引数量为一个,所述根据所述第二指示信息激活的所述一个或多个TCI状态索引,确定所述第一指示信息,包括:将所述第二指示信息激活的一个TCI状态索引,确定为所述第一指示信息。
- 根据权利要求5所述的波束指示方法,其特征在于,所述第二指示信息针对一个TRP索引或一个控制资源集池索引激活的TCI状态索引数量为多个,所述根据所述第二指示信息激活的所述一个或多个TCI状态索引,确定所述第一指示信息,包括:接收所述网络设备发送的第一下行链路控制信息DCI信令,所述第一DCI信令携带有所述第一指示信息;其中,所述第一指示信息包括所述第二指示信息激活的多个TCI状态索引中的一个目标通用TCI状态索引或索引组合。
- 根据权利要求7所述的波束指示方法,其特征在于,所述方法,还包括:向所述网络设备发送第一混合自动重传请求HARQ反馈信息;其中,所述第一HARQ反馈信息,用于指示网络设备所述第一DCI信令是否接收成功;用于发送所述第一HARQ反馈信息的HARQ反馈资源,是所述第一DCI信令配置的,或者默认设置的。
- 根据权利要求8所述的波束指示方法,其特征在于,所述采用所述目标通用波束与网络设备进行至少两种通信传输,包括:采用所述目标通用波束,在PDCCH上接收所述网络设备发送的第二DCI信令;其中,所述第二DCI信令中携带有用于配置参考信号、随机接入信道PRACH、物理上行共享信道PUSCH、物理上行控制信道PUCCH和/或物理下行共享信道PDSCH传输资源的资源配置信息。
- 根据权利要求7所述的波束指示方法,其特征在于,所述第一DCI信令中还携带有用于对参考信号、PRACH、PUSCH、PUCCH和PDSCH中至少一个配置传输资源的资源配置信息。
- 根据权利要求10所述的波束指示方法,其特征在于,所述方法,还包括:向所述网络设备发送第二HARQ反馈信息;其中,所述第二HARQ反馈信息,包括:第一反馈信息,用于反馈所述第一DCI信令是否接收成功;和/或,第二反馈信息,用于反馈所述第一DCI信令配置的PDSCH和/或下行参考信号是否接收成功。
- 根据权利要求11所述的波束指示方法,其特征在于,用于发送所述第一反馈信息和/或所述第二反馈信息的HARQ反馈资源,是所述第一DCI信令配置的,或者默认设置。
- 根据权利要求12所述的波束指示方法,其特征在于,用于发送所述第一反馈信息和/或所述第二反馈信息的HARQ反馈资源,是相同的HARQ反馈资源或不同的HARQ反馈资源。
- 根据权利要求13所述的波束指示方法,其特征在于,所述第一反馈信息和/或所述第二反馈信息对应同一个HARQ反馈资源中的相同或不同的比特位。
- 根据权利要求8所述的波束指示方法,其特征在于,发送所述第一HARQ反馈信息的发送波束,是所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束对应的发送波束,或者,是接收所述第一DCI信令的接收波束对应的发送波束。
- 根据权利要求11所述的波束指示方法,其特征在于,发送所述第二HARQ反馈信息的发送波束,是所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束对应的发送波束,或者,是接收所述第一DCI信令的接收波束对应的发送波束。
- 根据权利要求10所述的波束指示方法,其特征在于,所述方法,还包括:根据所述第一DCI信令携带的所述资源配置信息,采用配置的所述传输资源与所述网络设备进行通信传输。
- 根据权利要求17所述的波束指示方法,其特征在于,在所述通信传输与所述第一DCI信令之间的时间间隔小于阈值的情况下,所述通信传输采用与所述第一DCI信令相同的波束;在所述通信传输与所述第一DCI信令之间的时间间隔大于或等于所述阈值的情况下,所述通信传输采用所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束。
- 根据权利要求18所述的波束指示方法,其特征在于,所述阈值由所述网络设备通知;所述方法还包括:向所述网络设备发送参考时间,所述参考时间用于所述网络设备确定所述阈值;其中,所述参考时间包括所述第一DCI信令解码用时及其对应的HARQ反馈用时,以及波束切换用时;或者,所述参考时间包括所述第一DCI信令对应的HARQ反馈用时,以及波束切换用时。
- 根据权利要求18所述的波束指示方法,其特征在于,所述阈值默认设置于所述UE中。
- 根据权利要求7所示的波束指示方法,其特征在于,所述UE采用一个或多个接收波束接收所述第一DCI信令的一次或多次传输。
- 根据权利要求7所示的波束指示方法,其特征在于,所述第一DCI信令,为用于下行资源调度的DCI信令,或为用于上行资源调度的DCI信令,或为用于上下行资源调度的DCI信令或为仅用于上下行目标通用波束指示的DCI信令。
- 根据权利要求2所述的波束指示方法,所述目标通用TCI状态索引包括下行目标通用TCI状态索引、上行目标通用TCI状态索引和上下行目标通用TCI状态索引中的至少一项。
- 根据权利要求1-23任一项所述的波束指示方法,其特征在于,所述方法,还包括:接收网络设备发送的第三指示信息,所述第三指示信息用于指示所述UE采用所述目标通用波束或采用专用波束进行所述至少两种通信传输。
- 根据权利要求1-24任一项所述的波束指示方法,其特征在于,所述第一指示信息还包括所述至少两种通信传输的指示信息。
- 根据权利要求1-25任一项所述的波束指示方法,其特征在于,所述信道包括以下至少一种或多种的组合:物理下行控制信道PDCCH;物理下行共享信道PDSCH;物理上行控制信道PUCCH;物理上行共享信道PUSCH;物理广播信道PBCH;随机接入信道PRACH。
- 根据权利要求1-26任一项所述的波束指示方法,其特征在于,所述参考信号包括以下至少一种或多种的组合:信道状态信息参考信号CSI-RS;同步信号块SSB;解调参考信号DMRS;定位参考信号PRS;追踪参考信号TRS;探测参考信号SRS。
- 一种波束指示方法,其特征在于,应用于网络设备,所述方法包括:向用户设备UE发送第一指示信息,所述第一指示信息用于指示目标通用波束,使所述UE采用所述目标通用波束与所述网络设备进行至少两种通信传输,其中,所述通信传输包括信道和/或参考信号的传输。
- 根据权利要求28所述的波束指示方法,其特征在于,所述第一指示信息包括目标通用传输配置指示TCI状态索引或索引组合。
- 根据权利要求29所述的波束指示方法,其特征在于,所述目标通用TCI状态索引对应一个发送接收点TRP索引或一个控制资源集池索引。
- 根据权利要求29所述的波束指示方法,其特征在于,所述目标通用TCI状态索引对应一个或多个参考信号,各所述参考信号用于指示上行目标通用波束和下行目标通用波束中的至少一项。
- 根据权利要求28所述的波束指示方法,其特征在于,所述向用户设备UE发送第一指示信息,包括:向UE发送媒体接入控制层的控制单元MAC CE信令,其中,所述MAC CE中携带有用于激活一个或多个TCI状态索引的第二指示信息,所述一个TCI状态索引对应一个TRP索引或一个控制资源集池索引;其中,所述第二指示信息激活的所述一个或多个TCI状态索引,用于确定所述第一指示信息。
- 根据权利要求32所述的波束指示方法,其特征在于,所述第二指示信息针对一个TRP索引或一个控制资源集池索引激活的TCI状态索引数量为一个;其中,所述第一指示信息,表征所述第二指示信息激活的一个TCI状态索引。
- 根据权利要求32所述的波束指示方法,其特征在于,所述第二指示信息针对一个TRP索引或一个控制资源集池索引激活的TCI索引数量为多个;所述向用户设备UE发送第一指示信息,还包括:向UE发送第一下行链路控制信息DCI信令,所述第一DCI信令携带有所述第一指示信息;其中,所述第一指示信息包括所述第二指示信息激活的多个TCI状态索引中的一个目标通用TCI状态索引或索引组合。
- 根据权利要求32所述的波束指示方法,其特征在于,所述方法,还包括:接收所述UE发送的第一混合自动重传请求HARQ反馈信息;其中,所述第一HARQ反馈信息,用于指示网络设备所述第一DCI信令是否接收成功;用于发送所述第一HARQ反馈信息的HARQ反馈资源,是所述第一DCI信令配置的,或者默认设置的。
- 根据权利要求35所述的波束指示方法,其特征在于,所述方法,包括:在PDCCH上向所述UE发送第二DCI信令,以使所述UE采用所述目标通用波束接收所述第二 DCI信令;其中,所述第二DCI信令中携带有用于配置参考信号、随机接入信道PRACH、物理上行共享信道PUSCH、物理上行控制信道PUCCH和/或物理下行共享信道PDSCH传输资源的资源配置信息。
- 根据权利要求35所述的波束指示方法,其特征在于,所述第一DCI信令中还携带有用于对参考信号、PRACH、PUSCH、PUCCH和PDSCH中至少一个配置传输资源的资源配置信息。
- 根据权利要求37所述的波束指示方法,其特征在于,所述方法,还包括:接收所述UE发送的第二HARQ反馈信息;其中,所述第二HARQ反馈信息,包括:第一反馈信息,用于反馈所述第一DCI信令是否接收成功;和/或,第二反馈信息,用于反馈所述第一DCI信令配置的PDSCH和/或下行参考信号是否接收成功。
- 根据权利要求38所述的波束指示方法,其特征在于,用于发送所述第一反馈信息和/或所述第二反馈信息的HARQ反馈资源,是所述第一DCI信令配置的,或者默认设置。
- 根据权利要求39所述的波束指示方法,其特征在于,用于发送所述第一反馈信息和/或所述第二反馈信息的HARQ反馈资源,是相同的HARQ反馈资源或不同的HARQ反馈资源。
- 根据权利要求40所述的波束指示方法,其特征在于,所述第一反馈信息和/或所述第二反馈信息对应同一个HARQ反馈资源中的相同或不同的比特位。
- 根据权利要求35所述的波束指示方法,其特征在于,发送所述第一HARQ反馈信息的发送波束,是所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束对应的发送波束,或者,是接收所述第一DCI信令的接收波束对应的发送波束。
- 根据权利要求38所述的波束指示方法,其特征在于,发送所述第二HARQ反馈信息的发送波束,是所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束对应的发送波束,或者,是接收所述第一DCI信令的接收波束对应的发送波束。
- 根据权利要求37所述的波束指示方法,其特征在于,所述方法,还包括:根据所述第一DCI信令携带的所述资源配置信息,与所述UE进行通信传输。
- 根据权利要求42所述的波束指示方法,其特征在于,指示所述通信传输与所述第一DCI信令之间的时间间隔小于阈值,表征指示所述UE采用与所述第一DCI信令相同的波束进行所述通信传输;指示所述通信传输与所述第一DCI信令之间的时间间隔大于或等于所述阈值,表征指示所述UE采用所述第一DCI信令中所述目标通用TCI状态索引或索引组合对应的目标通用波束进行所述通信传输。
- 根据权利要求45所述的波束指示方法,其特征在于,所述方法还包括:接收所述UE发送的参考时间,向所述UE发送所述阈值指示信息;其中,所述参考时间包括所述UE进行所述第一DCI信令解码用时及其对应的HARQ反馈用时,以及波束切换用时;或者,所述参考时间包括所述UE进行所述第一DCI信令对应的HARQ反馈用时,以及波束切换用时。
- 根据权利要求34所示的波束指示方法,其特征在于,一次或多次发送所述第一DCI信令,并指示所述UE采用一个或多个接收波束接收所述第一DCI信令。
- 根据权利要求34所示的波束指示方法,其特征在于,所述第一DCI信令,为用于下行资源调度的DCI信令,或为用于上行资源调度的DCI信令,或为用于上下行资源调度的DCI信令或为仅用于上下行目标通用波束指示的DCI信令。
- 根据权利要求29所述的波束指示方法,其特征在于,所述目标通用TCI状态索引包括下行目标通用TCI状态索引、上行目标通用TCI状态索引和上下行目标通用TCI状态索引中的至少一项。
- 根据权利要求28-49任一项所述的波束指示方法,其特征在于,所述方法,还包括:向所述UE发送第三指示信息,所述第三指示信息用于指示所述UE采用所述目标通用波束或采用专用波束进行所述至少两种通信传输。
- 根据权利要求28-50任一项所述的波束指示方法,其特征在于,所述第一指示信息还包括所述至少两种通信传输的指示信息。
- 根据权利要求28-51任一项所述的波束指示方法,其特征在于,所述信道包括以下至少一种或多种的组合:物理下行控制信道PDCCH;物理下行共享信道PDSCH;物理上行控制信道PUCCH;物理上行共享信道PUSCH;物理广播信道PBCH;随机接入信道PRACH。
- 根据权利要求28-52任一项所述的波束指示方法,其特征在于,所述参考信号包括以下至少一种或多种的组合:信道状态信息参考信号CSI-RS;同步信号块SSB;解调参考信号DMRS;定位参考信号PRS;追踪参考信号TRS;探测参考信号SRS。
- 一种波束指示装置,其特征在于,应用于用户设备UE,所述装置包括:获取模块,被配置为获取第一指示信息,其中,所述第一指示信息用于指示目标通用波束;执行模块,被配置为采用所述目标通用波束与网络设备进行至少两种通信传输,其中,所述通信传输包括信道和/或参考信号的传输。
- 一种波束指示装置,其特征在于,应用于网络设备,所述装置包括:指示模块,被配置为向用户设备UE发送第一指示信息,所述第一指示信息用于指示目标通用波束,使所述UE采用所述目标通用波束与所述网络设备进行至少两种通信传输,其中,所述通信传输包括信道和/或参考信号的传输。
- 一种通信设备,其中,包括:收发器;存储器;处理器,分别与所述收发器及所述存储器连接,配置为通过执行所述存储器上的计算机可执行指令,控制所述收发器的无线信号收发,并能够实现权利要求1至27或28至53任一项所述的方法。
- 一种计算机存储介质,其中,所述计算机存储介质存储有计算机可执行指令;所述计算机可执行指令被处理器执行后,能够实现权利要求1至27或28至53任一项所述的方法。
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