# US 2022/0278784 A1 · Techniques for indicating uplink transmission capabilities in wireless communications > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2022/0278784 A1 - Document ID: US20220278784A1 - Status: Published application - Kind: A1 - Application number: 17/631,828 - Filed: 2019-08-16 - Published: 2022-09-01 - Earliest claimed: 2019-08-16 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Bo CHEN; Chenxi HAO; Chao WEI; Yu ZHANG; Ruiming ZHENG; Peng CHENG; Peter GAAL; Hao XU - Web page: https://patentgrep.com/patent/US20220278784A1 ## CPC - H04L 5/0005: {Time-frequency} - H04W 72/51: based on terminal or device properties - H04L 5/001: {the frequencies being arranged in component carriers} - H04L 5/0023: {Time-frequency-space} - H04L 5/0035: {Resource allocation in a cooperative multipoint environment} - 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)} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 5/0096: {Indication of changes in allocation} - H04L 5/14: Two-way operation using the same type of signal, i.e. duplex - H04L 5/0098: {Signalling of the activation or deactivation of component carriers, subcarriers or frequency bands} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract Aspects described herein relate to transmitting an indication of a capability to support concurrent or time division multiplexed uplink transmission of at least one of multiple uplink channels across multiple component carriers. In addition, a configuration to transmit over the at least one of the multiple uplink channels over the multiple component carriers using concurrent transmission or time division multiplexed transmission can be received based on the indication. ## Claims ### Claim 1 A method for wireless communication, comprising: transmitting an indication of a capability to support concurrent or time division multiplexed uplink transmission of at least one of multiple uplink channels across multiple component carriers; transmitting a second indication of at least one of a number of physical antennas or a number of transmission layers of the at least one of the multiple uplink channels supported for each of the multiple component carriers or each of multiple combinations of the multiple component carriers; and receiving, based on the indication and the second indication, a configuration to transmit over the at least one of the multiple uplink channels over the multiple component carriers using concurrent transmission or time division multiplexed transmission. ### Claim 2 (depends on 1) The method of claim 1, wherein the indication indicates separate capabilities to support the concurrent or time division multiplexed uplink transmission of the at least one of multiple uplink channels over multiple different combinations of the multiple component carriers. ### Claim at position 3 3-4. (canceled) ### Claim 5 (depends on 1) The method of claim 1, wherein the indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 6 (depends on 1) The method of claim 1, further comprising transmitting a third indication of a carrier switching capability of a carrier switching time supported for switching transmitting of the at least one of the multiple uplink channels between the multiple component carriers. ### Claim 7 (canceled) ### Claim 8 (depends on 1) The method of claim 1, wherein the second indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 9 (depends on 1) The method of claim 1, further comprising transmitting a third indication of a second capability of whether separate primary cell (PCell) configuration for downlink and uplink is supported for one or more combinations of the multiple component carriers. ### Claim 10 (canceled) ### Claim 11 A method for wireless communication, comprising: receiving, from a user equipment (UE), an indication of a capability to support concurrent or time division multiplexed uplink transmission of at least one of multiple uplink channels across multiple component carriers; determining, based on the indication, a configuration for the UE for transmitting over the at least one of the multiple uplink channels over the multiple component carriers using concurrent transmission or time division multiplexed transmission; and transmitting, based on the indication, the configuration to the UE. ### Claim 12 (depends on 11) The method of claim 11, wherein the indication indicates separate capabilities to support the concurrent or time division multiplexed uplink transmission of the at least one of multiple uplink channels over multiple different combinations of the multiple component carriers. ### Claim at position 12 13-15. (canceled) ### Claim 16 (depends on 11) The method of claim 11, further comprising receiving a second indication of a carrier switching capability of a carrier switching time supported for switching transmitting of the at least one of the multiple uplink channels between the multiple component carriers. ### Claim at position 14 17-24. (canceled) ### Claim 25 An apparatus for wireless communication, comprising: a transceiver; a memory configured to store instructions; one or more processors communicatively coupled with the memory and the transceiver, wherein the one or more processors are configured to: transmit an indication of a capability to support concurrent or time division multiplexed uplink transmission of at least one of multiple uplink channels across multiple component carriers; transmit a second indication of at least one of a number of physical antennas or a number of transmission layers of the at least one of the multiple uplink channels supported for each of the multiple component carriers or each of multiple combinations of the multiple component carriers; and receive, based on the indication and the second indication, a configuration to transmit over the at least one of the multiple uplink channels over the multiple component carriers using concurrent transmission or time division multiplexed transmission. ### Claim 26 (depends on 25) The apparatus of claim 25, wherein the indication indicates separate capabilities to support the concurrent or time division multiplexed uplink transmission of the at least one of multiple uplink channels over multiple different combinations of the multiple component carriers. ### Claim 27 (depends on 25) The apparatus of claim 25, wherein the indication corresponds to all of the multiple uplink channels. ### Claim 28 (depends on 27) The apparatus of claim 27, wherein the multiple uplink channels include a physical uplink shared channel, a physical uplink control channel, a sounding reference signal, and a physical random access channel. ### Claim 29 (depends on 25) The apparatus of claim 25, wherein the indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 30 (depends on 25) The apparatus of claim 25, wherein the one or more processors are further configured to transmit a third indication of a carrier switching capability of a carrier switching time supported for switching transmitting of the at least one of the multiple uplink channels between the multiple component carriers. ### Claim 31 (depends on 25) The apparatus of claim 25, wherein the second indication corresponds to all of the multiple uplink channels. ### Claim 32 (depends on 25) The apparatus of claim 25, wherein the second indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 33 (depends on 25) The apparatus of claim 25, wherein the one or more processors are further configured to transmit a third indication of a second capability of whether separate primary cell (PCell) configuration for downlink and uplink is supported for one or more combinations of the multiple component carriers. ### Claim 34 (depends on 25) The apparatus of claim 25, wherein the configuration includes one or more resources grants indicating resources over which to transmit the at least one of the multiple uplink channels over at least a portion of the multiple component carriers. ### Claim 35 An apparatus for wireless communication, comprising: a transceiver; a memory configured to store instructions; one or more processors communicatively coupled with the memory and the transceiver, wherein the one or more processors are configured to: receive, from a user equipment (UE), an indication of a capability to support concurrent or time division multiplexed uplink transmission of at least one of multiple uplink channels across multiple component carriers; determine, based on the indication, a configuration for the UE for transmitting over the at least one of the multiple uplink channels over the multiple component carriers using concurrent transmission or time division multiplexed transmission; and transmit, based on the indication, the configuration to the UE. ### Claim 36 (depends on 35) The apparatus of claim 35, wherein the indication indicates separate capabilities to support the concurrent or time division multiplexed uplink transmission of the at least one of multiple uplink channels over multiple different combinations of the multiple component carriers. ### Claim 37 (depends on 35) The apparatus of claim 35, wherein the indication corresponds to all of the multiple uplink channels. ### Claim 38 (depends on 37) The apparatus of claim 37, wherein the multiple uplink channels include a physical uplink shared channel, a physical uplink control channel, a sounding reference signal, and a physical random access channel. ### Claim 39 (depends on 35) The apparatus of claim 35, wherein the indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 40 (depends on 35) The apparatus of claim 35, wherein the one or more processors are further configured to receive a second indication of a carrier switching capability of a carrier switching time supported for switching transmitting of the at least one of the multiple uplink channels between the multiple component carriers. ### Claim 41 (depends on 35) The apparatus of claim 35, wherein the one or more processors are further configured to receive a second indication of at least one of a number of physical antennas or a number of transmission layers of the at least one of the multiple uplink channels supported for each of the multiple component carriers or each of multiple combinations of the multiple component carriers. ### Claim 42 (depends on 41) The apparatus of claim 41, wherein the second indication corresponds to all of the multiple uplink channels. ### Claim 43 (depends on 41) The apparatus of claim 41, wherein the second indication indicates separate capabilities for each of the multiple uplink channels. ### Claim 44 (depends on 35) The apparatus of claim 35, wherein the one or more processors are further configured to receive a second indication of a second capability of whether separate primary cell (PCell) configuration for downlink and uplink is supported for one or more combinations of the multiple component carriers. ### Claim 45 (depends on 35) The apparatus of claim 35, wherein the configuration includes one or more resources grants indicating resources over which to transmit the at least one of the multiple uplink channels over at least a portion of the multiple component carriers.