# US 2019/0380118 A1 · Method and device in ue and base station 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 2019/0380118 A1 - Document ID: US20190380118A1 - Status: Published application - Kind: A1 - Application number: 16/435,573 - Filed: 2019-06-10 - Published: 2019-12-12 - Earliest claimed: 2018-06-11 - Assignees: Shanghai Langbo Communication Technology Company Limited - Inventors: JinHui CHEN; XiaoBo ZHANG; Lin YANG - Web page: https://patentgrep.com/patent/US20190380118A1 ## CPC - H04L 1/1819: {with retransmission of additional or different redundancy} - H04W 72/20: Control channels or signalling for resource management - H04L 1/1893: {Physical mapping arrangements (physical resource mapping in general H04L5/00)} - H04L 5/0016: {Time-frequency-code} - H04L 5/0091: {Signalling for the administration of the divided path, e.g. signalling of configuration information} - H04W 72/23: in the downlink direction of a wireless link, i.e. towards a terminal - 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) ## Abstract The disclosure provides a method and a device in a User Equipment (UE) and a base station for wireless communication. The UE, in turn, receives first control information, transmits a first and a second radio signal, wherein the first control information is used for indicating a first multiple access signature sequence, the first multiple access signature sequence includes a first and a second multiple access signature in turn, the first multiple access signature is used for generating the first radio signal based on a first bit block, and the second multiple access signature is used for generating the second radio signal based on a second bit block. According to the disclosure, different multiple access signatures are configured on different time-frequency resources for the UE, which reduces interferences or conflicts between uplink communications due to conflicts of multiple access signatures between multiple users or correlations between non-orthogonal multiple access signatures. ## Claims ### Claim 1 A method in a User Equipment (UE) for wireless communication, comprising in turn: receiving first control information, the first control information being used for indicating a first multiple access signature sequence, the first multiple access signature sequence comprising a first multiple access signature and a second multiple access signature in turn; transmitting a first radio signal, the first radio signal occupying a first Resource Element (RE) set, and the first multiple access signature being used for generating the first radio signal based on a first bit block; and transmitting a second radio signal, the second radio signal occupying a second RE set, the first RE set being orthogonal to the second RE set, and the second multiple access signature being used for generating the second radio signal based on a second bit block. ### Claim 2 (depends on 1) The method according to claim 1, comprising: generating the first radio signal; and generating the second radio signal. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first control information indicates a first redundancy version sequence, the first redundancy version sequence is associated with the first multiple access signature sequence, the first multiple access signature corresponds to a first redundancy version in the first redundancy version sequence, the second multiple access signature corresponds to a second redundancy version in the first redundancy version sequence, the first redundancy version is used for generating the first bit block, and the second redundancy version is used for generating the second bit block. ### Claim 4 (depends on 3) The method according to claim 3, wherein if the first redundancy version is the same as the second redundancy version, the first multiple access signature is the same as the second multiple access signature. ### Claim 5 (depends on 1) The method according to claim 1, wherein the first bit block and the second bit block carry a same transport block; or, the method comprises receiving second control information, the second control information being used for indicating a difference value between the second multiple access signature index and the first multiple access signature index; or, the multiple access signature comprises at least one of a spreading sequence, a mapping constellation, an interleaving table and a scrambling sequence. ### Claim 6 A method in a base station for wireless communication, comprising in turn: transmitting first control information, the first control information being used for indicating a first multiple access signature sequence, the first multiple access signature sequence comprising a first multiple access signature and a second multiple access signature in turn; receiving a first radio signal, the first radio signal occupying a first RE set, and the first multiple access signature being used for generating the first radio signal based on a first bit block; and receiving a second radio signal, the second radio signal occupying a second RE set, the first RE set being orthogonal to the second RE set, and the second multiple access signature being used for generating the second radio signal based on a second bit block. ### Claim 7 (depends on 6) The method according to claim 6, comprising: recovering the first bit block; and recovering the second bit block. ### Claim 8 (depends on 6) The method according to claim 6, wherein the first control information indicates a first redundancy version sequence, the first redundancy version sequence is associated with the first multiple access signature sequence, the first multiple access signature corresponds to a first redundancy version in the first redundancy version sequence, the second multiple access signature corresponds to a second redundancy version in the first redundancy version sequence, the first redundancy version is used for generating the first bit block, and the second redundancy version is used for generating the second bit block. ### Claim 9 (depends on 8) The method according to claim 8, wherein if the first redundancy version is the same as the second redundancy version, the first multiple access signature is the same as the second multiple access signature. ### Claim 10 (depends on 6) The method according to claim 6, wherein the first bit block and the second bit block carry a same transport block; or, the method comprises transmitting second control information, the second control information being used for indicating a difference value between the second multiple access signature index and the first multiple access signature index; or, the multiple access signature comprises at least one of a spreading sequence, a mapping constellation, an interleaving table and a scrambling sequence. ### Claim 11 A UE for wireless communication, comprising in turn: a first receiver module, to receive first control information, the first control information being used for indicating a first multiple access signature sequence, the first multiple access signature sequence comprising a first multiple access signature and a second multiple access signature in turn; a second transmitter module, to transmit a first radio signal, the first radio signal occupying a first RE set, and the first multiple access signature being used for generating the first radio signal based on a first bit block; and a third transmitter module, to transmit a second radio signal, the second radio signal occupying a second RE set, the first RE set being orthogonal to the second RE set, and the second multiple access signature being used for generating the second radio signal based on a second bit block. ### Claim 12 (depends on 11) The UE according to claim 11, wherein the second transmitter module generates the first radio signal, and the third transmitter module generates the second radio signal. ### Claim 13 (depends on 11) The UE according to claim 11, wherein the first control information indicates a first redundancy version sequence, the first redundancy version sequence is associated with the first multiple access signature sequence, the first multiple access signature corresponds to a first redundancy version in the first redundancy version sequence, the second multiple access signature corresponds to a second redundancy version in the first redundancy version sequence, the first redundancy version is used for generating the first bit block, and the second redundancy version is used for generating the second bit block. ### Claim 14 (depends on 13) The UE according to claim 13, wherein if the first redundancy version is the same as the second redundancy version, the first multiple access signature is the same as the second multiple access signature. ### Claim 15 (depends on 11) The UE according to claim 11, wherein the first bit block and the second bit block carry a same transport block; or, the first receiver module receives second control information, the second control information being used for indicating a difference value between the second multiple access signature index and the first multiple access signature index; or, the multiple access signature comprises at least one of a spreading sequence, a mapping constellation, an interleaving table and a scrambling sequence. ### Claim 16 A base station for wireless communication, comprising in turn: a first transmitter module, to transmit first control information, the first control information being used for indicating a first multiple access signature sequence, the first multiple access signature sequence comprising a first multiple access signature and a second multiple access signature in turn; a second receiver module, to receive a first radio signal, the first radio signal occupying a first RE set, and the first multiple access signature being used for generating the first radio signal based on a first bit block; and a third receiver module, to receive a second radio signal, the second radio signal occupying a second RE set, the first RE set being orthogonal to the second RE set, and the second multiple access signature being used for generating the second radio signal based on a second bit block. ### Claim 17 (depends on 16) The base station according to claim 16, wherein the second receiver module recovers the first bit block; and the third receiver module recovers the second bit block. ### Claim 18 (depends on 16) The base station according to claim 16, wherein the first control information indicates a first redundancy version sequence, the first redundancy version sequence is associated with the first multiple access signature sequence, the first multiple access signature corresponds to a first redundancy version in the first redundancy version sequence, the second multiple access signature corresponds to a second redundancy version in the first redundancy version sequence, the first redundancy version is used for generating the first bit block, and the second redundancy version is used for generating the second bit block. ### Claim 19 (depends on 18) The base station according to claim 18, wherein if the first redundancy version is the same as the second redundancy version, the first multiple access signature is the same as the second multiple access signature. ### Claim 20 (depends on 16) The base station according to claim 16, wherein the first bit block and the second bit block carry a same transport block; or, the first transmitter module transmits second control information, the second control information being used for indicating a difference value between the second multiple access signature index and the first multiple access signature index; or, the multiple access signature comprises at least one of a spreading sequence, a mapping constellation, an interleaving table and a scrambling sequence.