# US 12,120,062 B2 · Method and device in UE and base station 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 12,120,062 B2 - Document ID: US12120062B2 - Status: Granted - Kind: B2 - Application number: 18/217,604 - Filed: 2023-07-02 - Published: 2023-11-02 - Granted: 2024-10-15 - Earliest claimed: 2018-03-12 - Assignees: Shanghai Langbo Communication Technology Company Limited - Applicants: Xiaobo Zhang - Inventors: Xiaobo Zhang - Web page: https://patentgrep.com/patent/US12120062B2 ## CPC - H04L 5/0053: {Allocation of signalling, i.e. of overhead other than pilot signals} - H04L 5/0055: {Physical resource allocation for ACK/NACK (for physical mapping arrangements in ARQ protocols H04L1/1861)} - H04B 7/0413: MIMO systems - H04B 7/0617: {for beam forming} - H04L 1/1812: Hybrid protocols; Hybrid automatic repeat request [HARQ] - H04L 5/0005: {Time-frequency} - 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) - 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 discloses a method and a device in a User Equipment (UE) and a base station used for wireless communication. In one embodiment, the UE monitors a first-type signaling and a second-type signaling in first time-frequency sub-resources and second time-frequency sub-resources respectively; and transmits a first information group; wherein a first signaling is received in first time-frequency sub-resources, and the first signaling is a first-type signaling; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field. The present disclosure can support the dynamic scheduling from multiple TRPs with non-ideal backhaul to a UE, so as to improve transmission efficiency. ## Claims ### Claim 1 A method in a User Equipment (UE) for wireless communication, comprising: receiving P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling; monitoring a first-type signaling and a second-type signaling respectively in first time-frequency sub-resources and second time-frequency sub-resources; a first signaling is received in the first time-frequency sub-resources, the first signaling being a first-type signaling; and transmitting a first information group; wherein the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a Semi-Persistent Scheduling (SPS) Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources; the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time; the first reference time and the second reference time are a start time and an end time of the first time-frequency sub-resources respectively; the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH; the first field is a DAI field; the first information group is transmitted on a PUCCH or a PUSCH; the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces; the first-type signaling and the second-type signaling both comprise the first field; the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling; there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively; the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively; the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s); for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group; if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group. ### Claim 2 (depends on 1) The method according to claim 1, wherein a first downlink information group is used for indicating a target time-frequency-resource set, the target time-frequency-resource set comprising the first time-frequency sub-resources, the first downlink information group is a downlink information group among the P downlink information groups; and the first field in the first signaling is used for determining at least one of the following: an accumulative number of serving cell-PDCCH (Physical Downlink Control CHannel) monitoring occasion pair(s) in which the first-type signaling is present up to a current serving cell and a current PDCCH monitoring occasion in a first-time window, first in ascending order of serving cell index and then in ascending order of PDCCH monitoring occasion index; a total number of serving cell-PDCCH monitoring occasion pair(s) in which the first-type signaling is present up to a current PDCCH monitoring occasion in the first time window. ### Claim 3 (depends on 1) The method according to claim 1, wherein the first-type signaling may be any of P1 DCI format(s), and the second-type signaling may be any of P2 DCI format(s); the P1 DCI format(s) and the P2 DCI format(s) comprise at least one common DCI format, the P1 and the P2 being positive integers respectively. ### Claim 4 (depends on 1) The method according to claim 1, wherein the first signaling is a physical-layer signaling used for indicating a SPS Release, and the first information group is used for indicating whether the first signaling is received correctly; or, comprising receiving a first radio signal; wherein the first signaling comprising configuration information of the first radio signal, a first bit block being used for generating the first radio signal, the first information group being used for indicating whether the first bit block is correctly received. ### Claim 5 (depends on 1) The method according to claim 1, wherein for each of the P downlink information groups, an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the first-type signaling, or an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the second-type signaling; the explicit method is to indicate whether corresponding time-frequency resources are reserved for the first-type signaling or the second-type signaling via an indicator of one bit. ### Claim 6 A method in a base station for wireless communication, comprising: transmitting P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling; transmitting a first signaling in first time-frequency sub-resources, the first signaling being a first-type signaling; and receiving a first information group; wherein the first time-frequency sub-resources and second time-frequency sub-resources are reserved for a first-type signaling and a second-type signaling respectively; the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources; the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time; the first reference time and the second reference time are a start time and an end time of the first time-frequency sub-resources respectively; the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH; the first field is a DAI field; the first information group is transmitted on a PUCCH or a PUSCH; the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces; the first-type signaling and the second-type signaling both comprise the first field; the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling; there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively; the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively; the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s); for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group; if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group. ### Claim 7 (depends on 6) The method according to claim 6, wherein a first downlink information group is used for indicating a target time-frequency-resource set, the target time-frequency-resource set comprising the first time-frequency sub-resources, the first downlink information group is a downlink information group among the P downlink information groups; and the first field in the first signaling is used for determining at least one of the following: an accumulative number of serving cell-PDCCH (Physical Downlink Control CHannel) monitoring occasion pair(s) in which the first-type signaling is present up to a current serving cell and a current PDCCH monitoring occasion in a first-time window, first in ascending order of serving cell index and then in ascending order of PDCCH monitoring occasion index; a total number of serving cell-PDCCH monitoring occasion pair(s) in which the first-type signaling is present up to a current PDCCH monitoring occasion in the first time window. ### Claim 8 (depends on 6) The method according to claim 6, wherein the first-type signaling may be any of P1 DCI format(s), and the second-type signaling may be any of P2 DCI format(s); the P1 DCI format(s) and the P2 DCI format(s) comprise at least one common DCI format, the P1 and the P2 being positive integers respectively. ### Claim 9 (depends on 6) The method according to claim 6, wherein the first signaling is a physical-layer signaling used for indicating a SPS Release, and the first information group is used for indicating whether the first signaling is received correctly; or, comprising transmitting a first radio signal; wherein the first signaling comprising configuration information of the first radio signal, a first bit block being used for generating the first radio signal, the first information group being used for indicating whether the first bit block is correctly received. ### Claim 10 (depends on 6) The method according to claim 6, wherein for each of the P downlink information groups, an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the first-type signaling, or an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the second-type signaling; the explicit method is to indicate whether corresponding time-frequency resources are reserved for the first-type signaling or the second-type signaling via an indicator of one bit. ### Claim 11 A User Equipment (UE) for wireless communication, comprising: a second receiver, receiving P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling; a first receiver, monitoring a first-type signaling and a second-type signaling respectively in first time-frequency sub-resources and second time-frequency sub-resources; a first signaling being received in the first time-frequency sub-resources, the first signaling being a first-type signaling; and a first transmitter, transmitting a first information group; wherein the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources; the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time; the first reference time and the second reference time are respectively a start time and an end time of the first time-frequency sub-resources; the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH; the first field is a DAI field; the first information group is transmitted on a PUCCH or PUSCH; the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces; the first-type signaling and the second-type signaling both comprise the first field; the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling; there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively; the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively; the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s); for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group; if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group. ### Claim 12 (depends on 11) The UE according to claim 11, wherein a first downlink information group is used for indicating a target time-frequency-resource set, the target time-frequency-resource set comprising the first time-frequency sub-resources, the first downlink information group is a downlink information group among the P downlink information groups; and the first field in the first signaling is used for determining at least one of the following: an accumulative number of serving cell-PDCCH (Physical Downlink Control CHannel) monitoring occasion pair(s) in which the first-type signaling is present up to a current serving cell and a current PDCCH monitoring occasion in a first-time window, first in ascending order of serving cell index and then in ascending order of PDCCH monitoring occasion index; a total number of serving cell-PDCCH monitoring occasion pair(s) in which the first-type signaling is present up to a current PDCCH monitoring occasion in the first time window. ### Claim 13 (depends on 11) The UE according to claim 11, wherein the first-type signaling may be any DCI format among P1 DCI format(s), and the second-type signaling may be any DCI format among P2 DCI format(s); at least one common DCI format is comprised in the P1 DCI format(s) and the P2 DCI format(s), the P1 and P2 being positive integers respectively. ### Claim 14 (depends on 11) The UE according to claim 11, wherein the first signaling is a physical-layer signaling used for indicating a SPS Release, and the first information group is used for indicating whether the first signaling is received correctly; or, the second receiver receives a first radio signal; wherein the first signaling comprising configuration information of the first radio signal, a first bit block being used for generating the first radio signal, the first information group being used for indicating whether the first bit block is correctly received. ### Claim 15 (depends on 11) The UE according to claim 11, wherein for each of the P downlink information groups, an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the first-type signaling, or an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the second-type signaling; the explicit method is to indicate whether corresponding time-frequency resources are reserved for the first-type signaling or the second-type signaling via an indicator of one bit. ### Claim 16 A base station used for wireless communication, comprising: a third transmitter, transmitting P downlink information groups, P being a positive integer greater than 1, the P downlink information groups comprising a RRC layer signaling; a second transmitter, transmitting a first signaling in first time-frequency sub-resources, the first signaling being a first-type signaling; and a third receiver, receiving a first information group; wherein the first time-frequency sub-resources and second time-frequency sub-resources are reserved for a first-type signaling and a second-type signaling respectively; the first-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release, and the second-type signaling is a physical-layer signaling for downlink grant or a physical-layer signaling for a SPS Release; a transmitter of the first-type signaling and a transmitter of the second-type signaling are a same serving cell; the first information group is used for indicating whether scheduling of the first signaling is correctly received; the first signaling comprises a first field, a value of the first field in the first signaling is related to a number of the first-type signaling(s) transmitted in the first time-frequency sub-resources, and the value of the first field in the first signaling is independent of a number of the second-type signaling(s) transmitted in the second time-frequency sub-resources; the second time-frequency sub-resources comprise a first time, the first time being between a first reference time and a second reference time; the first reference time and the second reference time are a start time and an end time of the first time-frequency sub-resources respectively; the first-type signaling is transmitted on a PDCCH, and the second-type signaling is transmitted on a PDCCH; the first field is a DAI field; the first information group is transmitted on a PUCCH or a PUSCH; the first time-frequency sub-resources and the second time-frequency sub-resources are respectively reserved for two CORESETs or two search spaces; the first-type signaling and the second-type signaling both comprise the first field; the P downlink information groups are respectively used for indicating P time-frequency resources, any of the P time-frequency resources being reserved for one of the first-type signaling or the second-type signaling; there exists two time-frequency resources of the P time-frequency resources being reserved for the first-type signaling and the second-type signaling respectively; the two time-frequency resources comprise the first time-frequency sub-resources and the second time-frequency sub-resources respectively; the P downlink information groups are respectively used for indicating P antenna port groups, and any of the P antenna port groups comprises a positive integer number of antenna port(s); for any of the P downlink information groups, if correspondingly indicated time-frequency resources are reserved for the first-type signaling, a transmission antenna port of the first-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port in a correspondingly indicated antenna port group; if correspondingly indicated time-frequency resources are reserved for the second-type signaling, a transmission antenna port of the second-type signaling in the correspondingly indicated time-frequency resources is quasi co-located with at least one antenna port of a correspondingly indicated antenna port group. ### Claim 17 (depends on 16) The base station according to claim 16, wherein a first downlink information group is used for indicating a target time-frequency-resource set, the target time-frequency-resource set comprising the first time-frequency sub-resources, the first downlink information group is a downlink information group among the P downlink information groups; and the first field in the first signaling is used for determining at least one of the following: an accumulative number of serving cell-PDCCH (Physical Downlink Control CHannel) monitoring occasion pair(s) in which the first-type signaling is present up to a current serving cell and a current PDCCH monitoring occasion in a first-time window, first in ascending order of serving cell index and then in ascending order of PDCCH monitoring occasion index; a total number of serving cell-PDCCH monitoring occasion pair(s) in which the first-type signaling is present up to a current PDCCH monitoring occasion in the first time window. ### Claim 18 (depends on 16) The base station according to claim 16, wherein the first-type signaling may be any DCI format among P1 DCI format(s), and the second-type signaling may be any DCI format among P2 DCI format(s); at least one common DCI format is comprised in the P1 DCI format(s) and the P2 DCI format(s), the P1 and P2 being positive integers respectively. ### Claim 19 (depends on 16) The base station according to claim 16, wherein the first signaling is a physical-layer signaling used for indicating a SPS Release, and the first information group is used for indicating whether the first signaling is received correctly; or, the third transmitter transmits a first radio signal; wherein the first signaling comprising configuration information of the first radio signal, a first bit block being used for generating the first radio signal, the first information group being used for indicating whether the first bit block is correctly received. ### Claim 20 (depends on 16) The base station according to claim 16, wherein for each of the P downlink information groups, an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the first-type signaling, or an explicit method is adopted to indicate that corresponding time-frequency resources are reserved for the second-type signaling; the explicit method is to indicate whether corresponding time-frequency resources are reserved for the first-type signaling or the second-type signaling via an indicator of one bit.