# US 12,225,593 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 12,225,593 B2 - Document ID: US12225593B2 - Status: Granted - Kind: B2 - Application number: 17/837,038 - Filed: 2022-06-10 - Published: 2022-09-22 - Granted: 2025-02-11 - Earliest claimed: 2019-12-13 - Assignees: Shanghai Langbo Communication Technology Company Limited - Applicants: Zheng Liu; Xiaobo Zhang - Inventors: Zheng Liu; Xiaobo Zhang - Web page: https://patentgrep.com/patent/US12225593B2 ## CPC - H04W 74/0841: {with collision treatment} - H04L 27/2602: {Signal structure} - H04L 27/2613: {Structure of the reference signals} - H04L 27/2646: {using feedback from receiver for adjusting OFDM transmission parameters, e.g. transmission timing or guard interval length} - H04W 52/362: {Aspects of the step size} - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 72/0446: Resources in time domain, e.g. slots or frames - H04W 74/0833: Random access procedures, e.g. with 4-step access - H04W 74/0866: {using a dedicated channel for access} - H04L 1/0006: {by adapting the transmission format} - H04W 36/249: {according to timing information} - H04W 52/146: {Uplink power control} - H04W 56/001: {Synchronization between nodes} - H04W 74/0836: with 2-step access - 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 Method and device in nodes used for wireless communications. A node receives first information, the first information being used to determine X candidate formats; transmits a first signal, the first signal using a first format; and transmits a second signal, the second signal using a second format; the first format is one of the X candidate formats, and the second format is also one of the X candidate formats; a first timing offset value is used to determine a transmission timing for the first signal, while a second timing offset value is used to determine a transmission timing for the second signal, where the first timing offset value is unequal to the second timing offset value; the first format relates to the first timing offset value while the second format relates to the second timing offset value. The present disclosure improves the random access performance. ## Claims ### Claim 1 A first node for wireless communications, comprising: a first receiver, receiving first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1; a first transmitter, transmitting a first signal, the first signal using a first format; and a second transmitter, transmitting a second signal, the second signal using a second format; wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access; capabilities of the first node are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats. ### Claim 2 (depends on 1) The first node according to claim 1, wherein the first receiver receives second information; wherein the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format. ### Claim 3 (depends on 2) The first node according to claim 2, wherein the second information is used to determine a second integer, the second integer being a non-negative integer; the second integer is used to determine a maximum number of second-type random accesses that can be initiated using the second format, or the second integer is used to determine a maximum number of the second-type random accesses that can be initiated using the first format, or the second integer is used to determine a maximum number of the first-type random accesses that can be initiated using the second format; the first-type random access and the second-type random access are two different types of random accesses. ### Claim 4 (depends on 1) The first node according to claim 1, wherein a target counter is used for counting in random access procedures initiated by the first node, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value. ### Claim 5 (depends on 4) The first node according to claim 4, wherein the first receiver receives fourth information; wherein the fourth information is used to determine a first target power value and a first step-size; when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal. ### Claim 6 (depends on 5) The first node according to claim 5, wherein the first receiver receives fifth information; wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal. ### Claim 7 A second node for wireless communications, comprising: a third transmitter, transmitting first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1; a second receiver, detecting a first signal, the first signal using a first format; and a third receiver, detecting a second signal, the second signal using a second format; wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access; capabilities of a transmitter for the first signal are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats. ### Claim 8 (depends on 7) The second node according to claim 7, wherein the third transmitter transmits second information; herein, the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format. ### Claim 9 (depends on 7) The second node according to claim 7, wherein a target counter is used for counting in random access procedures initiated by a transmitter for the first signal, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value. ### Claim 10 (depends on 9) The second node according to claim 9, wherein the third transmitter transmits fourth information; wherein the fourth information is used to determine a first target power value and a first step-size; when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal. ### Claim 11 (depends on 10) The second node according to claim 10, wherein the third transmitter transmits fifth information; wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal. ### Claim 12 A method in a first node for wireless communications, comprising: receiving first information, the first information being used to determine X candidate formats, X being a positive integer greater than 1; transmitting a first signal, the first signal using a first format; and transmitting a second signal, the second signal using a second format; wherein the first format is a candidate format among the X candidate formats, and the second format is a candidate format among the X candidate formats, the first format is different from the second format; a first timing offset value is used to determine a transmission timing for the first signal, and a second timing offset value is used to determine a transmission timing for the second signal, the first timing offset value is unequal to the second timing offset value; the first format is related to the first timing offset value, while the second format is related to the second timing offset value; the first signal and the second signal are both used for random access; capabilities of the first node are used to determine the first timing offset, the first timing offset being used to determine the first format out of the X candidate formats. ### Claim 13 (depends on 12) The method in the first node according to claim 12, comprising: receiving second information; wherein the first signal is used for a first-type random access, the second information is used to determine a first integer, the first integer being a positive integer; the first integer is used to determine a maximum number of the first-type random accesses that can be initiated using the first format. ### Claim 14 (depends on 13) The method in the first node according to claim 13, wherein the second information is used to determine a second integer, the second integer being a non-negative integer; the second integer is used to determine a maximum number of second-type random accesses that can be initiated using the second format, or the second integer is used to determine a maximum number of the second-type random accesses that can be initiated using the first format, or the second integer is used to determine a maximum number of the first-type random accesses that can be initiated using the second format; the first-type random access and the second-type random access are two different types of random accesses. ### Claim 15 (depends on 12) The method in the first node according to claim 12, wherein a target counter is used for counting in random access procedures initiated by the first node, a count value of the target counter being a positive integer; the count value of the target counter when transmitting the first signal is a first count value, and the count value of the target counter when transmitting the second signal is a second count value; the second count value is no greater than the first count value. ### Claim 16 (depends on 15) The method in the first node according to claim 15, comprising: receiving fourth information; wherein the fourth information is used to determine a first target power value and a first step-size; when the first count value is greater than 1, the first target power value, the first step-size and the first count value are jointly used to determine a transmit power value for the first signal; when the first count value is equal to 1, among the first target power value, the first step-size and the first count value only the first target power value is used to determine a transmit power value for the first signal. ### Claim 17 (depends on 16) The method in the first node according to claim 16, comprising: receiving fifth information; wherein the fifth information is used to determine a second step-size; when the second count value is greater than 1, the first target power value, the second step-size and the second count value are jointly used to determine a transmit power value for the second signal; when the second count value is equal to 1, among the first target power value, the second step-size and the second count value only the first target power value is used to determine a transmit power value for the second signal.