# US 12,010,685 B2 · Information transmission method for sidelink, and user equipment and computer-readable storage medium > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 12,010,685 B2 - Document ID: US12010685B2 - Status: Granted - Kind: B2 - Application number: 17/419,570 - Filed: 2019-12-25 - Published: 2022-03-03 - Granted: 2024-06-11 - Earliest claimed: 2018-12-29 - Assignees: Spreadtrum Semiconductor (Nanjing) Co., Ltd. - Applicants: Spreadtrum Semiconductor (Nanjing) Co., Ltd. - Inventors: Yi Yang; Yang Zhang; Wei Yan; Xin Qu - Web page: https://patentgrep.com/patent/US12010685B2 ## CPC - H04L 27/2602: {Signal structure} - H04W 72/20: Control channels or signalling for resource management - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0094: {Indication of how sub-channels of the path are allocated} - H04L 27/2605: {Symbol extensions, e.g. Zero Tail, Unique Word [UW]} - H04W 72/044: based on the type of the allocated resource - Y02D 30/70: in wireless communication networks - 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) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Disclosed are an information transmission method for a sidelink, and a user equipment and a computer-readable storage medium. The method comprises: detecting a control channel indication sequence at a pre-set position of each time slot; and based on the detected control channel indication sequence, determining, in the time slot where the sequence is located, a time-frequency resource position where a corresponding physical sidelink control channel is located, wherein the control channel indication sequences correspond to the physical sidelink control channels on a one-to-one basis. By applying the solution, an actual time-frequency resource position of a PSCCH can be indicated to a UE in a sidelink of an NR system. ## Claims ### Claim 1 An information transmission method for a sidelink, comprising: detecting control channel indication sequences at a pre-set position of each time slot; and according to the control channel indication sequences, determining time-frequency resource positions of Physical Sidelink Control Channels (PSCCHs) corresponding to the control channel indication sequences in the time slot, wherein the control channel indication sequences have a one-to-one corresponding relationship with the PSCCHs; wherein a frequency domain length of the control channel indication sequences is less than or equal to a minimum length of a minimum frequency domain unit configured for Physical Sidelink Shared Channels (PSSCHs) associated with the PSCCHs. ### Claim 2 (depends on 1) The information transmission method for a sidelink according to claim 1, wherein detecting control channel indication sequences at a pre-set position of each time slot comprises: detecting the control channel indication sequences on a pre-set symbol of each time slot. ### Claim 3 (depends on 2) The information transmission method for a sidelink according to claim 2, wherein the pre-set symbol comprises one of: a first symbol of the time slot; a previous symbol of the PSCCHs in the time slot; and a first symbol of the time slot which is a previous symbol of the PSCCHs. ### Claim 4 (depends on 1) The information transmission method for a sidelink according to claim 1, wherein the frequency domain length of the control channel indication sequences is p minimum frequency domain units, where p is a positive integer; and frequency domain resource positions where the control channel indication sequences are located, are first p minimum frequency domain units or last p minimum frequency domain units of the PSSCHs associated with the PSCCHs. ### Claim 5 (depends on 1) The information transmission method for a sidelink according to claim 1, wherein a start position of the frequency domain resources where the control channel indication sequences are located is in a middle minimum frequency domain unit of the PSSCHs associated with the PSCCHs. ### Claim 6 (depends on 2) The information transmission method for a sidelink according to claim 2, wherein detecting the control channel indication sequences on a pre-set symbol of each time slot comprises: at the pre-set position of each time slot, determining the control channel indication sequences transmitted on different resource blocks according to a pre-set frequency comb parameter; and determining the control channel indication sequences multiplexed on a same resource block according to a pre-set cyclic shift parameter or a pre-set orthogonal cover code parameter. ### Claim 7 (depends on 2) The information transmission method for a sidelink according to claim 2, wherein when the pre-set symbol is a previous symbol of the PSCCHs, the PSCCHs corresponding to the control channel indication sequences are located on any symbol of the time slot and within a frequency domain range of the control channel indication sequences. ### Claim 8 (depends on 1) The information transmission method for a sidelink according to claim 1, wherein according to the control channel indication sequences, determining time-frequency resource positions of PSCCHs corresponding to the control channel indication sequences in the time slot comprises: according to the control channel indication sequences, determining a time-frequency resource range of the PSCCHs in the time slot; and within the time-frequency resource range, performing blind detection according to a pre-set detection parameter to determine the time-frequency resource positions of the PSCCHs corresponding to the control channel indication sequences in the time slot. ### Claim 9 (depends on 1) The information transmission method for a sidelink according to claim 1, further comprising: detecting a sidelink control information at the time-frequency resource positions of the PSCCHs corresponding to the control channel indication sequences; and according to the sidelink control information, determining a time-frequency resource position of an actually used Physical Sidelink Feedback Channel (PSFCH) in PSFCHs corresponding to the time-frequency resource positions of the PSCCHs. ### Claim 10 (depends on 9) The information transmission method for a sidelink according to claim 9, wherein according to the sidelink control information, determining a time-frequency resource position of an actually used Physical Sidelink Feedback Channel (PSFCH) among PSFCHs corresponding to the time-frequency resource positions of the PSCCHs comprises: according to a time-domain offset information in the sidelink control information and an identification information of the actually used PSFCH, determining the time-frequency resource position of the actually used PSFCH among the PSFCHs corresponding to the time-frequency resource positions of the PSCCHs; and the PSFCHs corresponding to the time-frequency resource positions of the PSCCHs use independent time-frequency resource positions within the time-frequency resource range of the PSSCHs associated with the PSCCHs. ### Claim 11 (depends on 9) The information transmission method for a sidelink according to claim 9, wherein according to the sidelink control information, determining a time-frequency resource position of an actually used Physical Sidelink Feedback Channel (PSFCH) among PSFCHs corresponding to the time-frequency resource positions of the PSCCHs comprises: according to a frequency domain offset information, a time domain offset information and an identification information of the actually used PSFCH, determining the time-frequency resource position of the actually used PSFCH among the PSFCHs corresponding to the time-frequency resource positions of the PSCCHs; and wherein the PSFCHs corresponding to the time-frequency resource positions of the PSCCHs share time-frequency resource positions within the time-frequency resource range of the PSSCHs associated with the PSCCHs. ### Claim 12 (depends on 9) The information transmission method for a sidelink according to claim 9, further comprising: when a Sidelink Feedback Control Information (SFCI) and a transmission data need to be sent at the same time, determining an order of sending the SFCI and the transmission data according to pre-configured transmission priorities. ### Claim 13 (depends on 12) The information transmission method for a sidelink according to claim 12, wherein the transmission priorities are configured based on at least one of following factors: a number of carriers which are able to be simultaneously transmitted by a sending User Equipment (UE) and a receiving UE; a related configuration of a carrier combination of the sending UE and the receiving UE; and a callback time of radio frequency receiving and sending of the sending UE and the receiving UE. ### Claim 14 A User Equipment (UE), comprising: a first detection circuitry, adapted to detect control channel indication sequences at a pre-set position of each time slot; and a first determination circuitry, adapted to, according to the control channel indication sequences, determine time-frequency resource positions of PSCCHs corresponding to the control channel indication sequences in the time slot, wherein the control channel indication sequences have a one-to-one corresponding relationship with the PSCCHs; wherein a frequency domain length of the control channel indication sequences is less than or equal to a minimum length of a minimum frequency domain unit configured for Physical Sidelink Shared Channels (PSSCHs) associated with the PSCCHs. ### Claim 15 (depends on 14) The UE according to claim 14, further comprising: a second detection circuitry, adapted to detect a sidelink control information at the time-frequency resource positions of the PSCCHs corresponding to the control channel indication sequences; and a second determination circuitry, adapted to, according to the sidelink control information, determine a time-frequency resource position of an actually used Physical Sidelink Feedback Channel (PSFCH) in PSFCHs corresponding to the time-frequency resource positions of the PSCCHs. ### Claim 16 (depends on 14) The UE according to claim 14, further comprising: a transmission control circuitry, adapted to, when a Sidelink Feedback Control Information (SFCI) and a transmission data need to be sent at the same time, determine an order of sending the SFCI and the transmission data according to pre-configured transmission priorities. ### Claim 17 (depends on 16) The UE according to claim 16, wherein the transmission priorities are configured based on at least one of following factors: a number of carriers which are able to be simultaneously transmitted by a sending User Equipment (UE) and a receiving UE; a related configuration of a carrier combination of the sending UE and the receiving UE; and a callback time of radio frequency receiving and sending of the sending UE and the receiving UE. ### Claim 18 (depends on 1) A non-transitory storage medium having computer instructions stored therein, wherein once the computer instructions are executed, the method according to claim 1 is performed. ### Claim 19 A user equipment comprising a memory and a processor is provided, wherein the memory stores one or more programs, the one or more programs comprising computer instructions, when executed by the processor, cause the processor to: detect control channel indication sequences at a pre-set position of each time slot; and according to the control channel indication sequences, determine time-frequency resource positions of Physical Sidelink Control Channels (PSCCHs) corresponding to the control channel indication sequences in the time slot, wherein the control channel indication sequences have a one-to-one corresponding relationship with the PSCCHs, wherein a frequency domain length of the control channel indication sequences is less than or equal to a minimum length of a minimum frequency domain unit configured for Physical Sidelink Shared Channels (PSSCHs) associated with the PSCCHs.