# US 11,452,101 B2 · Uplink beam assignment > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,452,101 B2 - Document ID: US11452101B2 - Status: Granted - Kind: B2 - Application number: 16/275,065 - Filed: 2019-02-13 - Published: 2019-08-22 - Granted: 2022-09-20 - Earliest claimed: 2018-02-16 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Sony Akkarakaran; Tao Luo; Xiao Feng Wang; Bilal Sadiq; Makesh Pravin John Wilson; Wooseok Nam; Yan Zhou - Web page: https://patentgrep.com/patent/US11452101B2 ## CPC - H04W 72/046: {the resource being in the space domain, e.g. beams} - H04B 7/0619: {using feedback from receiving side (feedback signaling for adaptive modulation/coding H04L1/0001)} - H04B 7/06966: {using beam correspondence; using channel reciprocity, e.g. downlink beam training based on uplink sounding reference signal [SRS]} - H04L 5/0048: {Allocation of pilot signals, i.e. of signals known to the receiver (allocation of control signalling H04L5/0053; use of control signalling H04L5/0091)} - H04W 72/21: in the uplink direction of a wireless link, i.e. towards the network - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04B: TRANSMISSION - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract Methods, systems, and devices for wireless communications are described. Generally, the described techniques provide a mechanism for a user equipment (UE) to identify an uplink transmit beam to be used for communicating with a base station. In some cases, the uplink transmit beam may be based on a recent uplink (or downlink) transmission or set of allocated resources. A base station may allocate communication resources for a UE. The UE may determine, based on the allocated communication resources, a default transmit beam for communicating with the base station. The UE and base station may (e.g., independently) identify a triggering condition for using the default transmit beam. The UE may transmit an uplink communication to the base station using the default transmit beam based on the triggering condition. ## Claims ### Claim 1 A method for wireless communication at a user equipment (UE), comprising: determining, based at least in part on physical uplink control channel (PUCCH) communication resources allocated to the UE by a network device, a default transmit beam for communicating via a physical uplink shared channel (PUSCH) with the network device, wherein determining the default transmit beam comprises: receiving a semi-static configuration or a dynamic configuration for the allocated PUCCH communication resources, wherein the allocated PUCCH communication resources are designated for carrying a first uplink transmission to the network device using a first uplink transmit beam, wherein the first uplink transmission comprises a PUCCH transmission and the allocated PUCCH communication resources comprise a PUCCH resource; identifying the PUCCH resource from a plurality of PUCCH resources based at least in part on the identified PUCCH resource having a lowest index of the plurality of PUCCH resources; and determining the default transmit beam based at least in part on the first uplink transmit beam being carried on the identified PUCCH resource having the lowest index; identifying a triggering condition for using the default transmit beam; and transmitting, via the PUSCH, an uplink communication to the network device using the default transmit beam based at least in part on the triggering condition. ### Claim 2 (depends on 1) The method of claim 1, wherein identifying the triggering condition comprises: receiving, from the network device, an uplink grant that does not contain a PUSCH beam indicator. ### Claim 3 (depends on 2) The method of claim 2, wherein the PUSCH beam indicator comprises a sounding reference signal (SRS) resource indicator (SRI) or a transmission configuration indicator (TCI). ### Claim 4 (depends on 1) The method of claim 1, wherein the PUCCH resource is identified based at least in part on an intended use of the PUCCH resource. ### Claim 5 (depends on 4) The method of claim 4, wherein the intended use of the PUCCH resource comprises one of a scheduling request (SR), a channel quality indicator (CQI) report, or a beam failure recovery. ### Claim 6 (depends on 1) The method of claim 1, wherein the first uplink transmission comprises a sounding reference signal (SRS) transmission, a PUSCH transmission scheduled by an uplink grant that includes a PUSCH beam indicator, a semi-persistent scheduled (SPS) transmission, or a grant-free uplink transmission. ### Claim 7 (depends on 1) The method of claim 1, further comprising: identifying the first uplink transmission to be used for determining the default transmit beam from a plurality of candidate uplink transmissions based at least in part on a scheduling parameter of the first uplink transmission, a number of beams associated with the first uplink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 8 (depends on 1) The method of claim 1, wherein identifying the triggering condition comprises: identifying uplink data to be transmitted to the network device in the uplink communication; and determining that the network device has not transmitted a sounding reference signal (SRS) resource indicator (SRI) indicating a configured uplink transmit beam for the uplink communication. ### Claim 9 (depends on 1) The method of claim 1, wherein identifying the triggering condition comprises: identifying a threshold time period preceding the uplink communication; and determining that the network device has not transmitted a PUSCH beam indicator indicating a configured uplink transmit beam for the uplink communication prior to the threshold time period. ### Claim 10 (depends on 9) The method of claim 9, wherein the threshold time period is based at least in part on a beam-switching capability of the UE. ### Claim 11 (depends on 1) The method of claim 1, wherein determining the default transmit beam comprises: identifying a receive beam used to receive a remaining minimum system information (RMSI) control resource set, wherein the RMSI control resource set comprises the allocated PUCCH communication resources; and selecting, prior to a completion of a radio resource control (RRC) configuration, the default transmit beam based at least in part on the receive beam. ### Claim 12 (depends on 1) The method of claim 1, wherein determining the default transmit beam comprises: receiving a downlink transmission from the network device over the allocated PUCCH communication resources using a downlink receive beam of one or more downlink receive beams; and determining the default transmit beam based at least in part on the downlink receive beam. ### Claim 13 (depends on 12) The method of claim 12, wherein the downlink transmission comprises a physical downlink control channel (PDCCH) transmission and the allocated PUCCH communication resources comprise a PDCCH control resource set. ### Claim 14 (depends on 13) The method of claim 13, further comprising: identifying the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on an index associated with the PDCCH control resource set. ### Claim 15 (depends on 13) The method of claim 13, further comprising: identifying the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on a reception time at the UE associated with the PDCCH control resource set. ### Claim 16 (depends on 15) The method of claim 15, further comprising: selecting, based at least in part on an index associated with the PDCCH control resource set, the PDCCH control resource set from the plurality of candidate PDCCH control resource sets, wherein the plurality of candidate PDCCH control resource sets are associated with a same reception time at the UE. ### Claim 17 (depends on 12) The method of claim 12, wherein receiving the downlink transmission comprises: receiving one or more channel state information reference signals (CSI-RS) over the allocated PUCCH communication resources, wherein each CSI-RS is received using a respective downlink receive beam of the one or more downlink receive beams; identifying a given downlink receive beam of the one or more downlink receive beams; and determining the default transmit beam based at least in part on the given downlink receive beam. ### Claim 18 (depends on 12) The method of claim 12, wherein the downlink transmission comprises a physical downlink shared channel (PDSCH) transmission. ### Claim 19 (depends on 12) The method of claim 12, further comprising: identifying the downlink transmission to be used for determining the default transmit beam from a plurality of candidate downlink transmissions based at least in part on a scheduling parameter of the downlink transmission, a number of beams associated with the downlink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 20 (depends on 1) The method of claim 1, wherein determining the default transmit beam comprises: identifying a communication beam corresponding to a recent transmission, the recent transmission comprising a recent uplink transmission or a recent downlink transmission; and determining the default transmit beam based at least in part on the communication beam. ### Claim 21 (depends on 1) The method of claim 1, wherein transmitting the uplink communication using the default transmit beam comprises: receiving, from the network device, an update to the allocated PUCCH communication resources; and determining a second default transmit beam based at least in part on the update, wherein the uplink communication is transmitted using the second default transmit beam. ### Claim 22 A method for wireless communication at a network device, comprising: allocating physical uplink control channel (PUCCH) communication resources for a user equipment (UE), wherein allocating the PUCCH communication resources for the UE comprises transmitting a semi-static configuration or a dynamic configuration allocating the PUCCH communication resources, which are designated for carrying a first uplink transmission from the UE to the network device using a first uplink transmit beam; identifying a PUCCH resource from a plurality of candidate PUCCH resources based at least in part on the identified PUCCH resource having a lowest index of the plurality of candidate PUCCH resources, wherein the first uplink transmission comprises a PUCCH transmission and the allocated PUCCH communication resources comprise the identified PUCCH resource; identifying a triggering condition that indicates to the UE to use a default transmit beam for communicating via a physical uplink shared channel (PUSCH) with the network device, wherein the default transmit beam is based at least in part on the allocated PUCCH communication resources; and receiving, based at least in part on the triggering condition, an uplink communication from the UE via the PUSCH, wherein the uplink communication is transmitted by the UE using the default transmit beam, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the first uplink transmit beam being carried on the identified PUCCH resource having the lowest index. ### Claim 23 (depends on 22) The method of claim 22, wherein identifying the triggering condition comprises: transmitting, to the UE, an uplink grant that does not contain a PUSCH beam indicator. ### Claim 24 (depends on 23) The method of claim 23, wherein the PUSCH beam indicator comprises a sounding reference signal (SRS) resource indicator (SRI) or a transmission configuration indicator (TCI). ### Claim 25 (depends on 22) The method of claim 22, wherein the PUCCH resource is identified based at least in part on an intended use of the PUCCH resource. ### Claim 26 (depends on 25) The method of claim 25, wherein the intended use of the PUCCH resource comprises one of a scheduling request (SR), a channel quality indicator (CQI) report, or a beam failure recovery. ### Claim 27 (depends on 22) The method of claim 22, wherein the first uplink transmission comprises a sounding reference signal (SRS) transmission, a PUSCH transmission scheduled by an uplink grant that includes a PUSCH beam indicator, a semi-persistent scheduled (SPS) transmission, or a grant-free uplink transmission. ### Claim 28 (depends on 22) The method of claim 22, further comprising: identifying the first uplink transmission to be used by the UE for determining the default transmit beam from a plurality of candidate uplink transmissions based at least in part on a scheduling parameter of the first uplink transmission, a number of beams associated with the first uplink transmission, a selection indication transmitted by the network device, or a combination thereof. ### Claim 29 (depends on 22) The method of claim 22, wherein allocating the PUCCH communication resources for the UE comprises: configuring, for the UE, a remaining minimum system information (RMSI) control resource set; and identifying, prior to a completion of a radio resource control (RRC) configuration, the default transmit beam based at least in part on the RMSI control resource set. ### Claim 30 (depends on 22) The method of claim 22, further comprising: transmitting a downlink transmission to the UE over the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the downlink transmission. ### Claim 31 (depends on 30) The method of claim 30, wherein the downlink transmission comprises a physical downlink control channel (PDCCH) transmission and the allocated PUCCH communication resources comprise a PDCCH control resource set. ### Claim 32 (depends on 31) The method of claim 31, further comprising: identifying the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on an index associated with the PDCCH control resource set. ### Claim 33 (depends on 30) The method of claim 30, wherein transmitting the downlink transmission comprises: transmitting one or more channel state information reference signals (CSI-RS) over the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the one or more CSI-RS. ### Claim 34 (depends on 30) The method of claim 30, wherein the downlink transmission comprises a physical downlink shared channel (PDSCH) transmission. ### Claim 35 (depends on 30) The method of claim 30, further comprising: identifying the downlink transmission to be used by the UE for determining the default transmit beam from a plurality of candidate downlink transmissions based at least in part on a scheduling parameter of the downlink transmission, a number of beams associated with the downlink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 36 (depends on 22) The method of claim 22, further comprising: identifying a communication beam corresponding to a recent transmission, the recent transmission comprising a recent uplink transmission from the UE or a recent downlink transmission to the UE, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the communication beam. ### Claim 37 (depends on 22) The method of claim 22, further comprising: transmitting, to the UE, an update to the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE on the default transmit beam based at least in part on the update. ### Claim 38 An apparatus for wireless communications, comprising: a processor, memory coupled with the processor; and instructions stored in the memory and executable by the processor, to cause the apparatus to: determine, based at least in part on physical uplink control channel (PUCCH) communication resources allocated by a network device, a default transmit beam for communicating via a physical uplink shared channel (PUSCH) with the network device, wherein the instructions to determine the default transmit beam are executable by the processor to cause the apparatus to: receive a semi-static configuration or a dynamic configuration for the allocated PUCCH communication resources, wherein the allocated PUCCH communication resources are designated for carrying a first uplink transmission to the network device using a first uplink transmit beam, wherein the first uplink transmission comprises a PUCCH transmission and the allocated PUCCH communication resources comprise a PUCCH resource; identify the PUCCH resource from a plurality of PUCCH resources based at least in part on the identified PUCCH resource having a lowest index of the plurality of PUCCH resources; and determine the default transmit beam based at least in part on the first uplink transmit beam being carried on the identified PUCCH resource having the lowest index; identify a triggering condition for using the default transmit beam; and transmit, via the PUSCH, an uplink communication to the network device using the default transmit beam based at least in part on the triggering condition. ### Claim 39 (depends on 38) The apparatus of claim 38, wherein the instructions to identify the triggering condition are executable by the processor to cause the apparatus to: receive, from the network device, an uplink grant that does not contain a PUSCH beam indicator. ### Claim 40 (depends on 39) The apparatus of claim 39, wherein the PUSCH beam indicator comprises a sounding reference signal (SRS) resource indicator (SRI) or a transmission configuration indicator (TCI). ### Claim 41 (depends on 38) The apparatus of claim 38, wherein the PUCCH resource is identified based at least in part on an intended use of the PUCCH resource. ### Claim 42 (depends on 41) The apparatus of claim 41, wherein the intended use of the PUCCH resource comprises one of a scheduling request (SR), a channel quality indicator (CQI) report, or a beam failure recovery. ### Claim 43 (depends on 38) The apparatus of claim 38, wherein the first uplink transmission comprises a sounding reference signal (SRS) transmission, a PUSCH transmission scheduled by an uplink grant that includes a PUSCH beam indicator, a semi-persistent scheduled (SPS) transmission, or a grant-free uplink transmission. ### Claim 44 (depends on 38) The apparatus of claim 38, wherein the instructions are further executable by the processor to cause the apparatus to: identify the first uplink transmission to be used for determining the default transmit beam from a plurality of candidate uplink transmissions based at least in part on a scheduling parameter of the first uplink transmission, a number of beams associated with the first uplink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 45 (depends on 38) The apparatus of claim 38, wherein the instructions to identify the triggering condition are executable by the processor to cause the apparatus to: identify uplink data to be transmitted to the network device in the uplink communication; and determine that the network device has not transmitted a sounding reference signal (SRS) resource indicator (SRI) indicating a configured uplink transmit beam for the uplink communication. ### Claim 46 (depends on 38) The apparatus of claim 38, wherein the instructions to identify the triggering condition are executable by the processor to cause the apparatus to: identify a threshold time period preceding the uplink communication; and determine that the network device has not transmitted a PUSCH beam indicator indicating a configured uplink transmit beam for the uplink communication prior to the threshold time period. ### Claim 47 (depends on 46) The apparatus of claim 46, wherein the threshold time period is based at least in part on a beam-switching capability of the apparatus. ### Claim 48 (depends on 38) The apparatus of claim 38, wherein the instructions to determine the default transmit beam are executable by the processor to cause the apparatus to: identify a receive beam used to receive a remaining minimum system information (RMSI) control resource set, wherein the RMSI control resource set comprises the allocated PUCCH communication resources; and select, prior to a completion of a radio resource control (RRC) configuration, the default transmit beam based at least in part on the receive beam. ### Claim 49 (depends on 38) The apparatus of claim 38, wherein the instructions to determine the default transmit beam are executable by the processor to cause the apparatus to: receive a downlink transmission from the network device over the allocated PUCCH communication resources using a downlink receive beam of one or more downlink receive beams; and determine the default transmit beam based at least in part on the downlink receive beam. ### Claim 50 (depends on 49) The apparatus of claim 49, wherein the downlink transmission comprises a physical downlink control channel (PDCCH) transmission and the allocated PUCCH communication resources comprise a PDCCH control resource set. ### Claim 51 (depends on 50) The apparatus of claim 50, wherein the instructions are further executable by the processor to cause the apparatus to: identify the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on an index associated with the PDCCH control resource set. ### Claim 52 (depends on 50) The apparatus of claim 50, wherein the instructions are further executable by the processor to cause the apparatus to: identify the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on a reception time at the apparatus associated with the PDCCH control resource set. ### Claim 53 (depends on 52) The apparatus of claim 52, wherein the instructions are further executable by the processor to cause the apparatus to: select, based at least in part on an index associated with the PDCCH control resource set, the PDCCH control resource set from the plurality of candidate PDCCH control resource sets, wherein the plurality of candidate PDCCH control resource sets are associated with a same reception time at the apparatus. ### Claim 54 (depends on 49) The apparatus of claim 49, wherein the instructions to receive the downlink transmission are executable by the processor to cause the apparatus to: receive one or more channel state information reference signals (CSI-RS) over the allocated PUCCH communication resources, wherein each CSI-RS is received using a respective downlink receive beam of the one or more downlink receive beams; identify a given downlink receive beam of the one or more downlink receive beams; and determine the default transmit beam based at least in part on the given downlink receive beam. ### Claim 55 (depends on 49) The apparatus of claim 49, wherein the downlink transmission comprises a physical downlink shared channel (PDSCH) transmission. ### Claim 56 (depends on 49) The apparatus of claim 49, wherein the instructions are further executable by the processor to cause the apparatus to: identify the downlink transmission to be used for determining the default transmit beam from a plurality of candidate downlink transmissions based at least in part on a scheduling parameter of the downlink transmission, a number of beams associated with the downlink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 57 (depends on 38) The apparatus of claim 38, wherein the instructions to determine the default transmit beam are executable by the processor to cause the apparatus to: identify a communication beam corresponding to a recent transmission, the recent transmission comprising a recent uplink transmission or a recent downlink transmission; and determine the default transmit beam based at least in part on the communication beam. ### Claim 58 (depends on 38) The apparatus of claim 38, wherein the instructions to transmit the uplink communication using the default transmit beam are executable by the processor to cause the apparatus to: receive, from the network device, an update to the allocated PUCCH communication resources; and determine a second default transmit beam based at least in part on the update, wherein the uplink communication is transmitted using the second default transmit beam. ### Claim 59 An apparatus for wireless communications at a network device, comprising: a processor, memory coupled with the processor; and instructions stored in the memory and executable by the processor, to cause the apparatus to: allocate physical uplink control channel (PUCCH) communication resources for a user equipment (UE), wherein allocating the PUCCH communication resources for the UE comprises transmitting a semi-static configuration or a dynamic configuration allocating the PUCCH communication resources, which are designated for carrying a first uplink transmission from the UE to the network device using a first uplink transmit beam; identify a PUCCH resource from a plurality of candidate PUCCH resources based at least in part on the identified PUCCH resource having a lowest index of the plurality of candidate PUCCH resources, wherein the first uplink transmission comprises a PUCCH transmission and the allocated PUCCH communication resources comprise the identified PUCCH resource; identify a triggering condition that indicates to the UE to use a default transmit beam for communicating via a physical uplink shared channel (PUSCH) with the network device, wherein the default transmit beam is based at least in part on the allocated PUCCH communication resources; and receive, based at least in part on the triggering condition, an uplink communication from the UE via the PUSCH, wherein the uplink communication is transmitted by the UE using the default transmit beam; wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the first uplink transmit beam being carried on the identified PUCCH resource having the lowest index. ### Claim 60 (depends on 59) The apparatus of claim 59, wherein the instructions to identify the triggering condition are executable by the processor to cause the apparatus to: transmit, to the UE, an uplink grant that does not contain a PUSCH beam indicator. ### Claim 61 (depends on 60) The apparatus of claim 60, wherein the PUSCH beam indicator comprises a sounding reference signal (SRS) resource indicator (SRI) or a transmission configuration indicator (TCI). ### Claim 62 (depends on 59) The apparatus of claim 59, wherein the PUCCH resource is identified based at least in part on an intended use of the PUCCH resource. ### Claim 63 (depends on 62) The apparatus of claim 62, wherein the intended use of the PUCCH resource comprises one of a scheduling request (SR), a channel quality indicator (CQI) report, or a beam failure recovery. ### Claim 64 (depends on 59) The apparatus of claim 59, wherein the first uplink transmission comprises a sounding reference signal (SRS) transmission, a PUSCH transmission scheduled by an uplink grant that includes a PUSCH beam indicator, a semi-persistent scheduled (SPS) transmission, or a grant-free uplink transmission. ### Claim 65 (depends on 59) The apparatus of claim 59, wherein the instructions are further executable by the processor to cause the apparatus to: identify the first uplink transmission to be used by the UE for determining the default transmit beam from a plurality of candidate uplink transmissions based at least in part on a scheduling parameter of the first uplink transmission, a number of beams associated with the first uplink transmission, a selection indication transmitted by the network device, or a combination thereof. ### Claim 66 (depends on 59) The apparatus of claim 59, wherein the instructions to allocate the PUCCH communication resources for the UE are executable by the processor to cause the apparatus to: configure, for the UE, a remaining minimum system information (RMSI) control resource set; and identify, prior to a completion of a radio resource control (RRC) configuration, the default transmit beam based at least in part on the RMSI control resource set. ### Claim 67 (depends on 59) The apparatus of claim 59, wherein the instructions are further executable by the processor to cause the apparatus to: transmit a downlink transmission to the UE over the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the downlink transmission. ### Claim 68 (depends on 67) The apparatus of claim 67, wherein the downlink transmission comprises a physical downlink control channel (PDCCH) transmission and the allocated PUCCH communication resources comprise a PDCCH control resource set. ### Claim 69 (depends on 68) The apparatus of claim 68, wherein the instructions are further executable by the processor to cause the apparatus to: identify the PDCCH control resource set from a plurality of candidate PDCCH control resource sets based at least in part on an index associated with the PDCCH control resource set. ### Claim 70 (depends on 67) The apparatus of claim 67, wherein the instructions to transmit the downlink transmission are executable by the processor to cause the apparatus to: transmit one or more channel state information reference signals (CSI-RS) over the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the one or more CSI-RS. ### Claim 71 (depends on 67) The apparatus of claim 67, wherein the downlink transmission comprises a physical downlink shared channel (PDSCH) transmission. ### Claim 72 (depends on 67) The apparatus of claim 67, wherein the instructions are further executable by the processor to cause the apparatus to: identify the downlink transmission to be used by the UE for determining the default transmit beam from a plurality of candidate downlink transmissions based at least in part on a scheduling parameter of the downlink transmission, a number of beams associated with the downlink transmission, a selection indication received from the network device, or a combination thereof. ### Claim 73 (depends on 59) The apparatus of claim 59, wherein the instructions are further executable by the processor to cause the apparatus to: identify a communication beam corresponding to a recent transmission, the recent transmission comprising a recent uplink transmission from the UE or a recent downlink transmission to the UE, wherein the uplink communication is transmitted by the UE using the default transmit beam based at least in part on the communication beam. ### Claim 74 (depends on 59) The apparatus of claim 59, wherein the instructions are further executable by the processor to cause the apparatus to: transmit, to the UE, an update to the allocated PUCCH communication resources, wherein the uplink communication is transmitted by the UE on the default transmit beam based at least in part on the update.