# US 12,015,473 B2 · Method and apparatus for sequence determination in wireless transmission > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,015,473 B2 - Document ID: US12015473B2 - Status: Granted - Kind: B2 - Application number: 18/000,061 - Filed: 2020-06-19 - Published: 2023-07-13 - Granted: 2024-06-18 - Earliest claimed: 2020-06-19 - Assignees: Lenovo (Beijing) Limited - Applicants: Lenovo (Beijing) Ltd. - Inventors: Hongmei Liu; Zhi Yan; Yuantao Zhang; Bingchao Liu; Haiming Wang - Web page: https://patentgrep.com/patent/US12015473B2 ## CPC - H04B 7/18563: {Arrangements for interconnecting multiple systems (data switching networks H04L12/00)} - H04W 48/16: Discovering, processing access restriction or access information - 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 Embodiments of the present application are related to a method and apparatus for sequence determination in wireless transmission. According an embodiment of the present application, an exemplary method includes: receiving configuration information indicating at least one offset value associated with a kind of sequence, wherein each offset value corresponds to a second time domain index offset relative to a first time domain index determined based on synchronization signal block (SSB) associated with the kind of sequence; determining at least one second time domain index associated with the kind of sequence based on the at least one offset value correspondingly; and determining at least one sequence correspondingly based on the at least one second time domain index. Accordingly, embodiments of the present application can allow interference randomization during sequence generation in spite of the unfavorable impact on time domain index. ## Claims ### Claim 1 A method, comprising: receiving configuration information indicating at least one offset value associated with a type of sequence, the at least one offset value corresponding to a second time domain index that is offset relative to a first time domain index determined based on a synchronization signal block (SSB) associated with the type of sequence; determining the second time domain index associated with the type of sequence based on the at least one offset value; and determining at least one sequence based at least in part on the second time domain index. ### Claim 2 (depends on 1) The method according to claim 1, wherein the type of sequence is one of a physical uplink control channel (PUCCH) sequence, a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS) sequence, a physical uplink shared channel (PUSCH) DMRS sequence, a sounding reference signal (SRS) sequence for transmission, or a SRS sequence for reception. ### Claim 3 (depends on 1) The method according to claim 1, wherein both the first time domain index and the second time domain index are in a unit of at least one of a slot or a symbol. ### Claim 4 (depends on 1) The method according to claim 1, wherein the at least one offset value is determined by common timing advance (TA) for uplink transmission. ### Claim 5 (depends on 4) The method according to claim 4, wherein the at least one offset value is calculated by rounding a corresponding value of the common TA to a number of at least one slot and symbol with respect to a subcarrier spacing (SCS) associated with the type of sequence. ### Claim 6 (depends on 1) The method according to claim 1, wherein the at least one offset value is explicitly configured by at least one of radio resource control (RRC) signaling, medium access control (MAC) control element (CE) or downlink control information (DCI) associated with the type of sequence. ### Claim 7 (depends on 1) The method according to claim 1, wherein: the type of sequence is one of a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS) sequence or a physical uplink shared channel (PUSCH) DMRS sequence; and the at least one offset value is implicitly determined by one of DMRS port information or DMRS scrambling identifier information in at least one of radio resource control (RRC) signaling or downlink control information (DCI) associated with the kind of sequence. ### Claim 8 (depends on 1) The method according to claim 1, wherein the at least one offset value is one of configured for separated different types of sequences or shared among different types of sequences. ### Claim 9 An apparatus, comprising: a receiving circuitry; a transmitting circuitry; and a processor coupled to the receiving circuitry and the transmitting circuitry configured to cause the apparatus to: receive configuration information indicating at least one offset value associated with a type of sequence, the at least one offset value corresponding to a second time domain index that is offset relative to a first time domain index determined based on a synchronization signal block (SSB) associated with the type of sequence; determine the second time domain index associated with the type of sequence based on the at least one offset value; and determine at least one sequence based on the second time domain index. ### Claim 10 (depends on 9) The apparatus of claim 9, wherein the type of sequence is one of a physical uplink control channel (PUCCH) sequence, a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS) sequence, a physical uplink shared channel (PUSCH) DMRS sequence, a sounding reference signal (SRS) sequence for transmission, or a SRS sequence for reception. ### Claim 11 (depends on 9) The apparatus of claim 9, wherein both the first time domain index and the second time domain index are in a unit of at least one of a slot or a symbol. ### Claim 12 (depends on 9) The apparatus of claim 9, wherein the at least one offset value is determined by common timing advance (TA) for uplink transmission, and the at least one offset value is calculated by rounding a corresponding value of the common TA to a number of at least one slot and symbol with respect to a subcarrier spacing (SCS) associated with the type of sequence. ### Claim 13 (depends on 9) The apparatus of claim 9, wherein the at least one offset value is explicitly configured by at least one of radio resource control (RRC) signaling, medium access control (MAC) control element (CE), or downlink control information (DCI) associated with the type of sequence. ### Claim 14 (depends on 9) The apparatus of claim 9, wherein the at least one offset value is one of configured for separated different types of sequences or shared among different types of sequences. ### Claim 15 An apparatus, comprising: a receiving circuitry; a transmitting circuitry; and a processor coupled to the receiving circuitry and the transmitting circuitry configured to cause the apparatus to: configure information indicating at least one offset value associated with a type of sequence, the at least one offset value corresponding to a second time domain index that is offset relative to a first time domain index determined based on a synchronization signal block (SSB) associated with the type of sequence; determine the second time domain index based on the at least one offset value; and determine at least one sequence associated with the type of sequence based at least in part on the second time domain index. ### Claim 16 (depends on 15) The apparatus of claim 15, wherein the type of sequence is one of a physical uplink control channel (PUCCH) sequence, a physical downlink shared channel (PDSCH) demodulation reference signal (DMRS) sequence, a physical uplink shared channel (PUSCH) DMRS sequence, a sounding reference signal (SRS) sequence for transmission, or a SRS sequence for reception. ### Claim 17 (depends on 16) The apparatus of claim 16, wherein, for the type of sequence is one of the PDSCH DMRS sequence or the PUSCH DMRS sequence, the at least one offset value is determined by one of DMRS port information or DMRS scrambling identifier information in at least one of radio resource control (RRC) signaling or downlink control information (DCI) associated with the type of sequence. ### Claim 18 (depends on 15) The apparatus of claim 15, wherein both the first time domain index and the second time domain index are in a unit of at least one of a slot or a symbol. ### Claim 19 (depends on 15) The apparatus of claim 15, wherein the at least one offset value is determined by common timing advance (TA) for uplink transmission, and the at least one offset value is calculated by rounding a corresponding value of the common TA to a number of at least one slot and symbol with respect to a subcarrier spacing (SCS) associated with the type of sequence. ### Claim 20 (depends on 15) The apparatus of claim 15, wherein the at least one offset value is explicitly configured by at least one of radio resource control (RRC) signaling, medium access control (MAC) control element (CE), or downlink control information (DCI) associated with the type of sequence.