# US 12,114,269 B2 · Uplink power control techniques for full-duplex communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,114,269 B2 - Document ID: US12114269B2 - Status: Granted - Kind: B2 - Application number: 17/092,942 - Filed: 2020-11-09 - Published: 2022-05-12 - Granted: 2024-10-08 - Earliest claimed: 2020-11-09 - Assignees: QUALCOMM Incorporated - Applicants: QUALCOMM Incorporated - Inventors: Tianyang Bai; Junyi Li; Hua Wang - Web page: https://patentgrep.com/patent/US12114269B2 ## CPC - H04W 52/146: {Uplink power control} - H04W 52/242: {taking into account path loss} - 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 52/42: in systems with time, space, frequency or polarisation diversity - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - H04L 5/1461: {Suppression of signals in the return path, i.e. bidirectional control circuits} - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract This disclosure provides systems, methods, and apparatuses, including computer programs encoded on computer storage media, for wireless communication. In one aspect, a user equipment (UE) is configured to set a transmission power for an uplink communication based, at least in part, on a downlink communication. The UE is further configured to perform the uplink communication based, at least in part, on the set transmission power while concurrently performing the downlink communication. For example, in some aspects, the transmission power for the uplink communication may be set based on the type of downlink communication or based on one or more parameters associated with the downlink communication. In additional aspects, an algorithm may be used to set the transmission power for the uplink communication. ## Claims ### Claim 1 A method for wireless communication performed by a user equipment (UE), the method comprising: adjusting a transmission power for an uplink communication in accordance with one or more parameters of a downlink communication, the one or more parameters including a first indication of self-interference and a second indication comprising at least one of the following: a number of times a message portion of the downlink communication is repeated; a type of the downlink communication including communication of a tracking reference signal (TRS); or downlink control information (DCI) format of the downlink communication corresponding to a fallback DCI format having a lower payload than a full DCI format; and performing the uplink communication concurrently while performing the downlink communication, the uplink communication performed using the adjusted transmission power. ### Claim 2 (depends on 1) The method of claim 1, wherein the one or more parameters further include a type of the downlink communication, and wherein the type of the downlink communication comprises: communication of data via a physical downlink shared channel (PDSCH); communication of control information via a physical downlink control channel (PDCCH); or communication of a synchronization signal block (SSB). ### Claim 3 (depends on 2) The method of claim 2, wherein adjusting the transmission power for the uplink communication includes using an algorithm to adjust the transmission power for the uplink communication, the algorithm being a function of the type of the downlink communication. ### Claim 4 (depends on 1) The method of claim 1, wherein the one or more parameters further include a rank value that indicates a number of data streams included in the downlink communication. ### Claim 5 (depends on 1) The method of claim 1, wherein adjusting the transmission power for the uplink communication includes using an algorithm to adjust the transmission power for the uplink communication, the algorithm being a function of a downlink control information (DCI) format of the downlink communication, the algorithm being configured to increase the transmission power for the uplink communication in response to the DCI format corresponding to a fallback DCI format, and the fallback DCI format being a shortened version of a full DCI format. ### Claim 6 (depends on 1) The method of claim 1, wherein adjusting the transmission power for the uplink communication includes using an algorithm to adjust the transmission power for the uplink communication, the algorithm being a function of a first modulation and coding scheme (MCS) associated with the downlink communication and a second MCS associated with the uplink communication. ### Claim 7 (depends on 1) The method of claim 1, wherein the uplink communication at least partially overlaps in time with the downlink communication when concurrently performed with the downlink communication. ### Claim 8 (depends on 1) The method of claim 1, wherein the one or more parameters further include an indication of frequency separation between frequency resources allocated for the downlink communication and frequency resources allocated for the uplink communication. ### Claim 9 (depends on 1) The method of claim 1, wherein the one or more parameters further include an indication of a time-domain overlap between the downlink communication and the uplink communication. ### Claim 10 (depends on 1) The method of claim 1, wherein the one or more parameters further include a scaling factor associated with a transport block size associated with the downlink communication. ### Claim 11 (depends on 1) The method of claim 1, wherein the one or more parameters further include a density of allocated frequency resources. ### Claim 12 (depends on 1) The method of claim 1, wherein the one or more parameters further include a slot aggregation repetition factor. ### Claim 13 An apparatus configured for wireless communication, comprising: means for adjusting a transmission power for an uplink communication in accordance with one or more parameters of a downlink communication, the one or more parameters including a first indication of self-interference and a second indication comprising at least one of the following: a number of times a message portion of the downlink communication is repeated; a type of the downlink communication including communication of a tracking reference signal (TRS); or downlink control information (DCI) format of the downlink communication corresponding to a fallback DCI format having a lower payload than a full DCI format; and means for performing the uplink communication concurrently while performing the downlink communication, the uplink communication performed using the adjusted transmission power. ### Claim 14 (depends on 13) The apparatus of claim 13, wherein the one or more parameters further include a type of the downlink communication, the type of the downlink communication comprising: communication of data via a physical downlink shared channel (PDSCH); communication of control information via a physical downlink control channel (PDCCH); or communication of a synchronization signal block (SSB. ### Claim 15 (depends on 13) The apparatus of claim 13, wherein the one or more parameters further include: a modulation and coding scheme (MCS); a number of data streams; a slot aggregation repetition factor; an indication of how many times a message part of the downlink communication is repeated; a frequency resource aggregation level; a density of allocated frequency resources; an indication of frequency separation between frequency resources allocated for the downlink communication and frequency resources allocated for the uplink communication; an indication of a time-domain overlap between the downlink communication and the uplink communication; a scaling factor associated with a transport block size associated with the downlink communication; or a combination thereof. ### Claim 16 (depends on 13) The apparatus of claim 13, wherein the means for adjusting the transmission power for the uplink communication is configured to use an algorithm to set the transmission power for the uplink communication, the algorithm being a function of a first modulation and coding scheme (MCS) associated with the downlink communication and a second MCS associated with the uplink communication. ### Claim 17 (depends on 13) The apparatus of claim 13, wherein the uplink communication at least partially overlaps in time with the downlink communication when concurrently performed with the downlink communication. ### Claim 18 (depends on 13) The apparatus of claim 13, wherein the one or more parameters further include a type of the downlink communication comprising communication of a synchronization signal block (SSB). ### Claim 19 (depends on 13) The apparatus of claim 13, wherein the one or more parameters further include a number of data streams. ### Claim 20 (depends on 13) The apparatus of claim 13, wherein the one or more parameters further include an indication of frequency separation between frequency resources allocated for the downlink communication and frequency resources allocated for the uplink communication. ### Claim 21 A non-transitory computer-readable medium storing instructions that, when executed by a processor, cause the processor to perform operations comprising: adjusting a transmission power for an uplink communication in accordance with one or more parameters of a downlink communication, the one or more parameters including a first indication of self-interference and a second indication comprising at least one of the following: a number of times a message portion of the downlink communication is repeated; a type of the downlink communication including communication of a tracking reference signal (TRS); or downlink control information (DCI) format of the downlink communication corresponding to a fallback DCI format having a lower payload than a full DCI format; and performing the uplink communication concurrently while performing the downlink communication, the uplink communication performed using the adjusted transmission power. ### Claim 22 (depends on 21) The non-transitory computer-readable medium of claim 21, wherein the one or more parameters further include a type of the downlink communication, and wherein the type of the downlink communication comprises: communication of data via a physical downlink shared channel (PDSCH); communication of control information via a physical downlink control channel (PDCCH); or communication of a synchronization signal block (SSB). ### Claim 23 (depends on 21) The non-transitory computer-readable medium of, claim 21, wherein the one or more parameters further include: a modulation and coding scheme (MCS); a number of data streams; a slot aggregation repetition factor; an indication of how many times a message part of the downlink communication is repeated; a frequency resource aggregation level; a density of allocated frequency resources; an indication of frequency separation between frequency resources allocated for the downlink communication and frequency resources allocated for the uplink communication; an indication of a time-domain overlap between the downlink communication and the uplink communication; or a scaling factor associated with a transport block size associated with the downlink communication. ### Claim 24 An apparatus configured for wireless communication, comprising: a processing system configured to adjust a transmission power for an uplink communication in accordance with one or more parameters of a downlink communication, the one or more parameters including a first indication of self-interference and a second indication comprising at least one of the following: a number of times a message portion of the downlink communication is repeated; a type of the downlink communication including communication of a tracking reference signal (TRS); or downlink control information (DCI) format of the downlink communication corresponding to a fallback DCI format having a lower payload than a full DCI format; and an interface configured to perform the uplink communication concurrently while performing the downlink communication, the uplink communication performed using the adjusted transmission power. ### Claim 25 (depends on 24) The apparatus of claim 24, wherein the one or more parameters further include a type of the downlink communication, the type of the downlink communication including: communication of data via a physical downlink shared channel (PDSCH); communication of control information via a physical downlink control channel (PDCCH); or communication of a synchronization signal block (SSB). ### Claim 26 (depends on 24) The apparatus of claim 24, wherein the one or more parameters further include a rank value indicative of a number of data streams included in the downlink communication. ### Claim 27 (depends on 26) The apparatus of claim 26, wherein the one or more parameters further include: a modulation and coding scheme (MCS); a number of data streams; a slot aggregation repetition factor; an indication of how many times a message part of the downlink communication is repeated; a frequency resource aggregation level; a density of allocated frequency resources; an indication of frequency separation between frequency resources allocated for the downlink communication and frequency resources allocated for the uplink communication; an indication of a time-domain overlap between the downlink communication and the uplink communication; and a scaling factor associated with a transport block size associated with the downlink communication.