# US 11,909,683 B2 · Method and device in nodes used for wireless communication > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,909,683 B2 - Document ID: US11909683B2 - Status: Granted - Kind: B2 - Application number: 17/588,288 - Filed: 2022-01-30 - Published: 2022-08-04 - Granted: 2024-02-20 - Earliest claimed: 2021-02-01 - Assignees: Shanghai Tuiluo Communication Technology Partnership (Limited Partnership) - Applicants: Keying Wu; Xiaobo Zhang - Inventors: Keying Wu; Xiaobo Zhang - Web page: https://patentgrep.com/patent/US11909683B2 ## CPC - 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 52/146: {Uplink power control} - H04W 52/06: TPC algorithms - H04W 52/42: in systems with time, space, frequency or polarisation diversity - H04B 7/0691: {using subgroups of transmit antennas} - 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) - H04B: TRANSMISSION ## Abstract The present disclosure provides a method and a device in a node used for wireless communications. A first node receives a first signaling; and transmits a first signal. The first signaling indicates scheduling information for the first signal; a linear value of transmit power for the first signal is equal to a product of a linear value of a second power and a first coefficient; the first signaling is used to determine a first reference signal resource and a first matrix; the first reference signal resource belongs to a first reference signal resource set of S reference signal resource sets; S matrix sets respectively correspond to the S reference signal resource sets. The above method optimizes the transmit power on each panel in the multi-panel-based uplink transmission. ## Claims ### Claim 1 A first node for wireless communications, comprising: a first receiver, receiving a first signaling; and a first transmitter, transmitting a first signal; wherein the first signaling is used to determine scheduling information for the first signal; a transmit power for the first signal is a first power, and a linear value of the first power is equal to a product of a linear value of a second power and a first coefficient, the first coefficient being a non-negative real number; the first signaling is used to determine a first reference signal resource and a first matrix; the first reference signal resource is used to determine a spatial relation of the first signal; the first reference signal resource is a reference signal resource in a first reference signal resource set, the first reference signal resource set is one of S reference signal resource sets, S being a positive integer greater than 1, any of the S reference signal resource sets comprises at least one reference signal resource; S matrix sets respectively correspond to the S reference signal resource sets, any of the S matrix sets comprises at least one matrix; a first matrix set is a matrix set corresponding to the first reference signal resource set among the S matrix sets, whether the first matrix belongs to the first matrix set is used to determine the first coefficient. ### Claim 2 (depends on 1) The first node according to claim 1, wherein the first transmitter transmits a first information block; wherein the first information block indicates the S matrix sets. ### Claim 3 (depends on 2) The first node according to claim 2, wherein the first receiver receives a second information block; wherein as a response to the behavior of receiving the second information block, the first node transmits the first information block. ### Claim 4 (depends on 1) The first node according to claim 1, wherein the first signaling comprises a first field, and the first field in the first signaling comprises two sub-fields; a target sub-field of the two sub-fields in the first signaling indicates the first reference signal resource; a position of the target sub-field in the two sub-fields is used to determine the first matrix set, any of the two sub-fields comprising at least one bit. ### Claim 5 (depends on 1) The first node according to claim 1, wherein when the first matrix belongs to the first matrix set, the first coefficient is equal to 1; when the first matrix does not belong to the first matrix set, the first coefficient is equal to a ratio of a second port number to a first port number, the second port number and the first port number respectively being positive integers; the second port number is equal to a number of non-zero power transmission antenna ports of a PUSCH bearing the first signal, while the first port number is associated with the first reference signal resource. ### Claim 6 (depends on 2) The first node according to claim 2, wherein the first information block comprises S information sub-blocks, the S information sub-blocks being sequentially arranged in the first information block; the S information sub-blocks respectively indicate the S matrix sets; a first information sub-block among the S information sub-blocks indicates the first matrix set; the S reference signal resource sets are sequentially arranged; a position of the first information sub-block in the S information sub-blocks is the same as a position of the first reference signal resource set in the S reference signal resource sets. ### Claim 7 (depends on 1) The first node according to claim 1, wherein the first signal comprises L sub-signals, L being a positive integer greater than 1; the L sub-signals occupy same time-frequency resources; there are two sub-signals among the L sub-signals that have different transmit powers. ### Claim 8 A second node for wireless communications, comprising: a second transmitter, transmitting a first signaling; and a second receiver, receiving a first signal; wherein the first signaling is used to determine scheduling information for the first signal; a transmit power for the first signal is a first power, and a linear value of the first power is equal to a product of a linear value of a second power and a first coefficient, the first coefficient being a non-negative real number; the first signaling is used to determine a first reference signal resource and a first matrix; the first reference signal resource is used to determine a spatial relation of the first signal; the first reference signal resource is a reference signal resource in a first reference signal resource set, the first reference signal resource set is one of S reference signal resource sets, S being a positive integer greater than 1, any of the S reference signal resource sets comprises at least one reference signal resource; S matrix sets respectively correspond to the S reference signal resource sets, any of the S matrix sets comprises at least one matrix; a first matrix set is a matrix set corresponding to the first reference signal resource set among the S matrix sets, whether the first matrix belongs to the first matrix set is used to determine the first coefficient. ### Claim 9 (depends on 8) The second node according to claim 8, wherein the second receiver receives a first information block; wherein the first information block indicates the S matrix sets. ### Claim 10 (depends on 9) The second node according to claim 9, wherein the second transmitter transmits a second information block; wherein as a response to the behavior of receiving the second information block, a transmitter for the first signal transmits the first information block. ### Claim 11 (depends on 8) The second node according to claim 8, wherein the first signaling comprises a first field, and the first field in the first signaling comprises two sub-fields; a target sub-field of the two sub-fields in the first signaling indicates the first reference signal resource; a position of the target sub-field in the two sub-fields is used to determine the first matrix set, any of the two sub-fields comprising at least one bit. ### Claim 12 (depends on 8) The second node according to claim 8, wherein when the first matrix belongs to the first matrix set, the first coefficient is equal to 1; when the first matrix does not belong to the first matrix set, the first coefficient is equal to a ratio of a second port number to a first port number, the second port number and the first port number respectively being positive integers; the second port number is equal to a number of non-zero power transmission antenna ports of a PUSCH bearing the first signal, while the first port number is associated with the first reference signal resource. ### Claim 13 (depends on 9) The second node according to claim 9, wherein the first information block comprises S information sub-blocks, the S information sub-blocks being sequentially arranged in the first information block; the S information sub-blocks respectively indicate the S matrix sets; a first information sub-block among the S information sub-blocks indicates the first matrix set; the S reference signal resource sets are sequentially arranged; a position of the first information sub-block in the S information sub-blocks is the same as a position of the first reference signal resource set in the S reference signal resource sets. ### Claim 14 (depends on 8) The second node according to claim 8, wherein the first signal comprises L sub-signals, L being a positive integer greater than 1; the L sub-signals occupy same time-frequency resources; there are two sub-signals among the L sub-signals that have different transmit powers. ### Claim 15 A method in a first node for wireless communications, comprising: receiving a first signaling; and transmitting a first signal; wherein the first signaling is used to determine scheduling information for the first signal; a transmit power for the first signal is a first power, and a linear value of the first power is equal to a product of a linear value of a second power and a first coefficient, the first coefficient being a non-negative real number; the first signaling is used to determine a first reference signal resource and a first matrix; the first reference signal resource is used to determine a spatial relation of the first signal; the first reference signal resource is a reference signal resource in a first reference signal resource set, the first reference signal resource set is one of S reference signal resource sets, S being a positive integer greater than 1, any of the S reference signal resource sets comprises at least one reference signal resource; S matrix sets respectively correspond to the S reference signal resource sets, any of the S matrix sets comprises at least one matrix; a first matrix set is a matrix set corresponding to the first reference signal resource set among the S matrix sets, whether the first matrix belongs to the first matrix set is used to determine the first coefficient. ### Claim 16 (depends on 15) The method according to claim 15, comprising: transmitting a first information block, wherein the first information block indicates the S matrix sets; or, transmitting a first information block and receiving a second information block, wherein as a response to the behavior of receiving the second information block, the first node transmits the first information block. ### Claim 17 (depends on 15) The method according to claim 15, wherein the first signaling comprises a first field, and the first field in the first signaling comprises two sub-fields; a target sub-field of the two sub-fields in the first signaling indicates the first reference signal resource; a position of the target sub-field in the two sub-fields is used to determine the first matrix set, any of the two sub-fields comprising at least one bit. ### Claim 18 (depends on 15) The method according to claim 15, wherein when the first matrix belongs to the first matrix set, the first coefficient is equal to 1; when the first matrix does not belong to the first matrix set, the first coefficient is equal to a ratio of a second port number to a first port number, the second port number and the first port number respectively being positive integers; the second port number is equal to a number of non-zero power transmission antenna ports of a PUSCH bearing the first signal, while the first port number is associated with the first reference signal resource. ### Claim 19 (depends on 16) The method according to claim 16, wherein the first information block comprises S information sub-blocks, the S information sub-blocks being sequentially arranged in the first information block; the S information sub-blocks respectively indicate the S matrix sets; a first information sub-block among the S information sub-blocks indicates the first matrix set; the S reference signal resource sets are sequentially arranged; a position of the first information sub-block in the S information sub-blocks is the same as a position of the first reference signal resource set in the S reference signal resource sets. ### Claim 20 (depends on 15) The method according to claim 15, wherein the first signal comprises L sub-signals, L being a positive integer greater than 1; the L sub-signals occupy same time-frequency resources; there are two sub-signals among the L sub-signals that have different transmit powers.