# US 2022/0045892 A1 · Method and device in communication node 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 2022/0045892 A1 - Document ID: US20220045892A1 - Status: Published application - Kind: A1 - Application number: 17/509,092 - Filed: 2021-10-25 - Published: 2022-02-10 - Earliest claimed: 2019-04-26 - Assignees: Shanghai Langbo Communication Technology Company Limited - Inventors: Zheng LIU; Xiaobo ZHANG - Web page: https://patentgrep.com/patent/US20220045892A1 ## CPC - H04L 27/2657: {Carrier synchronisation} - H04B 7/185: Space-based or airborne stations; {Stations for satellite systems}(H04B7/204 takes precedence) - H04L 27/26025: {Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking (allocating sub-channels of the transmission path H04L5/003)} - H04L 27/2607: {Cyclic extensions} - H04W 56/00: Synchronisation arrangements - H04W 56/0045: {compensating for timing error by altering transmission time} - H04W 84/06: Airborne or Satellite Networks (space-based or airborne stations H04B7/185) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) - H04B: TRANSMISSION - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) ## Abstract The present disclosure provides a method and a device in a communication node used for wireless communications. A communication node receives first information and second information; and transmits a first radio signal, an SCS of a subcarrier occupied by the first radio signal is equal to a first SCS; a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment. The present disclosure improves scheduling flexibility. ## Claims ### Claim 1 A first communication node for wireless communications, comprising: a first receiver, receiving first information and second information; and a first transmitter, transmitting a first radio signal, a Subcarrier Spacing (SCS) of a subcarrier occupied by the first radio signal in frequency domain being equal to a first SCS; wherein a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment; for the first SCS, an absolute value of the first sub-adjustment is equal to a time length of one or multiple multicarrier symbols, and a minimum step-size corresponding to the second sub-adjustment is less than a time length of one multicarrier symbol. ### Claim 2 (depends on 1) The first communication node according to claim 1, wherein the first receiver receives a first signaling, and the first signaling is used to determine a first time-domain resource; wherein for the first SCS, a time length of one first-type multicarrier symbol is equal to a first time length, a time length of one second-type multicarrier symbol is equal to a second time length, and the first time length is not equal to the second time length; an absolute value of the first sub-adjustment is equal to a sum of K1 times the first time length and K2 times the second time length, and the first information is used to indicate a sum of K1 and K2; a position of the first time-domain resource in time domain is used to determine K2, K1 being a non-negative integer, K2 being a non-negative integer. ### Claim 3 (depends on 1) The first communication node according to claim 1, wherein the second sub-adjustment is one of X candidate sub-adjustments, X being a positive integer greater than 1; the second information is used to determine the second sub-adjustment out of the X candidate sub-adjustments, or the second information is used to determine the X candidate sub-adjustments. ### Claim 4 (depends on 1) The first communication node according to claim 1, wherein the first receiver receives third information; the first transmitter transmits a first characteristic sequence; wherein the third information is used to determine the first timing adjustment, or the third information is used to determine a transmission timing for the first characteristic sequence and the first timing adjustment; the first characteristic sequence is used for random access. ### Claim 5 (depends on 1) The first communication node according to claim 1, wherein the first transmitter transmits a second radio signal; wherein the first timing adjustment is used to determine a transmission timing for the second radio signal, or a sum of the first timing adjustment and a third timing adjustment is used to determine a transmission timing for the second radio signal; the third timing adjustment is equal to a sum of the first sub-adjustment and a third sub-adjustment, and the third sub-adjustment is configurable; a start time for transmitting the second radio signal is earlier than a start time for transmitting the first radio signal. ### Claim 6 (depends on 1) The first communication node according to claim 1, wherein a first timing offset is used to determine the first timing adjustment, an absolute value of the first timing offset is not greater than an absolute value of the first timing adjustment, a duplex mode of a cell where a transmission of the first radio signal occurs and a frequency range to which frequency-domain resources occupied by the first radio signal belong are used to determine the first timing offset. ### Claim 7 (depends on 1) The first communication node according to claim 1, wherein the first receiver receives a second signaling; wherein the second signaling is used to determine the first SCS. ### Claim 8 A second communication node for wireless communications, comprising: a second transmitter, transmitting first information and second information; and a second receiver, receiving a first radio signal, an SCS of a subcarrier occupied by the first radio signal in frequency domain being equal to a first SCS; wherein a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment; for the first SCS, an absolute value of the first sub-adjustment is equal to a time length of one or multiple multicarrier symbols, and a minimum step-size corresponding to the second sub-adjustment is less than a time length of one multicarrier symbol. ### Claim 9 (depends on 8) The second communication node according to claim 8, wherein the second transmitter transmits a first signaling, and the first signaling is used to determine a first time-domain resource; for the first SCS, a time length of one first-type multicarrier symbol is equal to a first time length, a time length of one second-type multicarrier symbol is equal to a second time length, and the first time length is not equal to the second time length; an absolute value of the first sub-adjustment is equal to a sum of K1 times the first time length and K2 times the second time length, and the first information is used to indicate a sum of K1 and K2; a position of the first time-domain resource in time domain is used to determine K2, K1 being a non-negative integer, K2 being a non-negative integer. ### Claim 10 (depends on 8) The second communication node according to claim 8, wherein the second sub-adjustment is one of X candidate sub-adjustments, X being a positive integer greater than 1; the second information is used to determine the second sub-adjustment out of the X candidate sub-adjustments, or the second information is used to determine the X candidate sub-adjustments. ### Claim 11 (depends on 8) The second communication node according to claim 8, wherein the second transmitter transmits third information; a second receiver receives a first characteristic sequence; wherein the third information is used to determine the first timing adjustment, or the third information is used to determine a transmission timing for the first characteristic sequence and the first timing adjustment; the first characteristic sequence is used for random access. ### Claim 12 (depends on 8) The second communication node according to claim 8, wherein the second receiver receives a second radio signal; wherein the first timing adjustment is used to determine a transmission timing for the second radio signal, or a sum of the first timing adjustment and a third timing adjustment is used to determine a transmission timing for the second radio signal; the third timing adjustment is equal to a sum of the first sub-adjustment and a third sub-adjustment, and the third sub-adjustment is configurable; a start time for transmitting the second radio signal is earlier than a start time for transmitting the first radio signal. ### Claim 13 (depends on 8) The second communication node according to claim 8, wherein a first timing offset is used to determine the first timing adjustment, an absolute value of the first timing offset is not greater than an absolute value of the first timing adjustment, a duplex mode of a cell where a transmission of the first radio signal occurs and a frequency range to which frequency-domain resources occupied by the first radio signal belong are used to determine the first timing offset. ### Claim 14 A method in a first communication node for wireless communications, comprising: receiving first information and second information; and transmitting a first radio signal, an SCS of a subcarrier occupied by the first radio signal in frequency domain being equal to a first SCS; wherein a sum of a first timing adjustment and a second timing adjustment is used to determine a transmission timing for the first radio signal, and the first timing adjustment is used to determine a transmission timing for a radio signal transmitted earlier than the first radio signal; the second timing adjustment is equal to a sum of a first sub-adjustment and a second sub-adjustment, the first information is used to determine the first sub-adjustment, and the second information is used to determine the second sub-adjustment; for the first SCS, an absolute value of the first sub-adjustment is equal to a time length of one or multiple multicarrier symbols, and a minimum step-size corresponding to the second sub-adjustment is less than a time length of one multicarrier symbol. ### Claim 15 (depends on 14) The method in a first communication node according to claim 14, comprising: receiving a first signaling, the first signaling being used to determine a first time-domain resource; wherein for the first SCS, a time length of one first-type multicarrier symbol is equal to a first time length, a time length of one second-type multicarrier symbol is equal to a second time length, and the first time length is not equal to the second time length; an absolute value of the first sub-adjustment is equal to a sum of K1 times the first time length and K2 times the second time length, and the first information is used to indicate a sum of K1 and K2; a position of the first time-domain resource in time domain is used to determine K2, K1 being a non-negative integer, K2 being a non-negative integer. ### Claim 16 (depends on 14) The method in a first communication node according to claim 14, wherein the second sub-adjustment is one of X candidate sub-adjustments, X being a positive integer greater than 1; the second information is used to determine the second sub-adjustment out of the X candidate sub-adjustments, or the second information is used to determine the X candidate sub-adjustments. ### Claim 17 (depends on 14) The method in a first communication node according to claim 14, comprising: receiving third information; and transmitting a first characteristic sequence; wherein the third information is used to determine the first timing adjustment, or the third information is used to determine a transmission timing for the first characteristic sequence and the first timing adjustment; the first characteristic sequence is used for random access. ### Claim 18 (depends on 14) The method in a first communication node according to claim 14, comprising: transmitting a second radio signal; wherein the first timing adjustment is used to determine a transmission timing for the second radio signal, or a sum of the first timing adjustment and a third timing adjustment is used to determine a transmission timing for the second radio signal; the third timing adjustment is equal to a sum of the first sub-adjustment and a third sub-adjustment, and the third sub-adjustment is configurable; a start time for transmitting the second radio signal is earlier than a start time for transmitting the first radio signal. ### Claim 19 (depends on 14) The method in a first communication node according to claim 14, wherein a first timing offset is used to determine the first timing adjustment, an absolute value of the first timing offset is not greater than an absolute value of the first timing adjustment, a duplex mode of a cell where a transmission of the first radio signal occurs and a frequency range to which frequency-domain resources occupied by the first radio signal belong are used to determine the first timing offset. ### Claim 20 (depends on 14) The method in a first communication node according to claim 14, comprising: receiving a second signaling; wherein the second signaling is used to determine the first SCS.