# US 10,485,009 B2 · Method and device in UE and base station USD 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 10,485,009 B2 - Document ID: US10485009B2 - Status: Granted - Kind: B2 - Application number: 16/025,850 - Filed: 2018-07-02 - Published: 2019-01-10 - Granted: 2019-11-19 - Earliest claimed: 2017-07-05 - Assignees: Shanghai Langbo Communication Technology Company Limited - Applicants: Shanghai Langbo Communication Technology Company Limited - Inventors: Xiaobo Zhang - Web page: https://patentgrep.com/patent/US10485009B2 ## CPC - H04W 72/12: Wireless traffic scheduling - H04L 1/0038: {Blind format detection (for detection of modulation format H04L27/0012)} - H04L 1/0046: {Code rate detection or code type detection (H04L1/0038 takes precedence; detection of the data rate H04L25/0262; for packet format H04L1/0091)} - H04L 1/0072: {Error control for data other than payload data, e.g. control data} - H04W 72/04: Wireless resource allocation - H04W: WIRELESS COMMUNICATION NETWORKS (broadcast communication H04H; communication systems using wireless links for non-selective communication, e.g. wireless extensions H04M1/72) - H04L: TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION (arrangements common to telegraphic and telephonic communication H04M) ## Abstract The present disclosure provides a method and a device in a User Equipment (UE) and a base station used for wireless communication. The UE in sequence receives a first radio signal in a first time interval, conducts blind decoding for the first radio signal in a second time interval and receives a second radio signal in a third time interval, and receives a third radio signal in a fourth time interval. The second radio signal and the third radio signal are transmitted by the same antenna port. The end time of the second time interval is behind the start time of the third time interval, and the fourth time interval is behind the third time interval. The present disclosure reduces the delay in beam scheduling, improves the efficiency of transmission and improves the flexibility of system scheduling. ## Claims ### Claim 1 A method in a User Equipment (UE) for wireless communication, comprising: receiving a first radio signal in a first time interval; conducting blind decoding for the first radio signal in a second time interval, and receiving a second radio signal in a third time interval; and receiving a third radio signal in a fourth time interval; wherein the blind decoding for the first radio signal is used for recovering a first signaling, a multi-antenna related receiving for the second radio signal does not depend on the correct decoding of the first radio signal, the second radio signal and the third radio signal are transmitted by a same antenna port, the first signaling is used for determining first scheduling information, the first scheduling information is shared by the second radio signal and the third radio signal, the first scheduling information comprises at least one of {MCS (Modulation Coding Scheme), occupied time-frequency resource, retransmission procedure number, redundancy version, new data indicator, transmitting antenna port}, a end time of the second time interval is behind a start time of the third time interval, and the fourth time interval is behind the third time interval; and wherein antenna ports used for transmitting the first radio signal, the second radio signal and the third radio signal are all related to a first reference signal spatially, the first reference signal is used for determining a multi-antenna related transmitting and receiving for the first radio signal, the second radio signal and the third radio signal; or, an antenna port used for transmitting the first radio signal is related to the first reference signal spatially, the same antenna port used for transmitting the second radio signal and the third radio signal are related to a second reference signal spatially, the first reference signal differs from the second reference signal, the first reference signal is used for determining the multi-antenna related transmitting and receiving for the first radio signal, and the second reference signal is used for determining the multi-antenna related transmitting for the second radio signal and the multi-antenna related transmitting and receiving for the third radio signal. ### Claim 2 (depends on 1) The method according to claim 1, wherein the first signaling is used for determining the multi-antenna related receiving for the third radio signal. ### Claim 3 (depends on 1) The method according to claim 1, comprising: receiving a target radio signal; and transmitting a fourth radio signal; wherein the channel measurement for the target radio signal is used for triggering the fourth radio signal; and the fourth radio signal is used for determining the multi-antenna related transmitting for the first radio signal. ### Claim 4 (depends on 1) The method according to claim 1, wherein the multi-antenna related receiving for the second radio signal is related to the multi-antenna related receiving for the first radio signal. ### Claim 5 A method in a base station device for wireless communication, comprising: transmitting a first radio signal in a first time interval; transmitting a second radio signal in a third time interval; and transmitting a third radio signal in a fourth time interval; wherein a receiver of the first radio signal conducts blind decoding for the first radio signal in a second time interval, the blind decoding for the first radio signal is used for recovering a first signaling, a multi-antenna related receiving for the second radio signal does not depend on the correct decoding of the first radio signal, the second radio signal and the third radio signal are transmitted by a same antenna port, the first signaling is used for determining first scheduling information, the first scheduling information is shared by the second radio signal and the third radio signal, the first scheduling information comprises at least one of {MCS (Modulation Coding Scheme), occupied time-frequency resource, retransmission procedure number, redundancy version, new data indicator, transmitting antenna port}, a end time of the second time interval is behind a start time of the third time interval, and the fourth time interval is behind the third time interval; and wherein antenna ports used for transmitting the first radio signal, the second radio signal and the third radio signal are all related to a first reference signal spatially, the first reference signal is used for determining a multi-antenna related transmitting and receiving for the first radio signal, the second radio signal and the third radio signal; or, an antenna port used for transmitting the first radio signal is related to the first reference signal spatially, the same antenna port used for transmitting the second radio signal and the third radio signal are related to a second reference signal spatially, the first reference signal differs from the second reference signal, the first reference signal is used for determining the multi-antenna related transmitting and receiving for the first radio signal, and the second reference signal is used for determining the multi-antenna related transmitting for the second radio signal and the multi-antenna related transmitting and receiving for the third radio signal. ### Claim 6 (depends on 5) The method according to claim 5, wherein the first signaling is used for determining the multi-antenna related receiving for the third radio signal. ### Claim 7 (depends on 5) The method according to claim 5, comprising: transmitting a target radio signal; and receiving a fourth radio signal; wherein the channel measurement for the target radio signal is used for triggering the fourth radio signal; and the fourth radio signal is used for determining the multi-antenna related transmitting for the first radio signal. ### Claim 8 (depends on 5) The method according to claim 5, wherein the multi-antenna related receiving for the second radio signal is related to the multi-antenna related receiving for the first radio signal. ### Claim 9 A UE for wireless communication, comprising the following modules: a first receiver module, to receive a first radio signal in a first time interval; a first transceiver module, to conduct blind decoding for the first radio signal in a second time interval and receive a second radio signal in a third time interval; and a second receiver module, to receive a third radio signal in a fourth time interval; wherein the blind decoding for the first radio signal is used for recovering a first signaling, a multi-antenna related receiving for the second radio signal does not depend on the correct decoding of the first radio signal, the second radio signal and the third radio signal are transmitted by a same antenna port, the first signaling is used for determining first scheduling information, the first scheduling information is shared by the second radio signal and the third radio signal, the first scheduling information comprises at least one of {MCS (Modulation Coding Scheme), occupied time-frequency resource, retransmission procedure number, redundancy version, new data indicator, transmitting antenna port}, a end time of the second time interval is behind a start time of the third time interval, and the fourth time interval is behind the third time interval; and wherein antenna ports used for transmitting the first radio signal, the second radio signal and the third radio signal are all related to a first reference signal spatially, the first reference signal is used for determining a multi-antenna related transmitting and receiving for the first radio signal, the second radio signal and the third radio signal; or, an antenna port used for transmitting the first radio signal is related to the first reference signal spatially, the same antenna port used for transmitting the second radio signal and the third radio signal are related to a second reference signal spatially, the first reference signal differs from the second reference signal, the first reference signal is used for determining the multi-antenna related transmitting and receiving for the first radio signal, and the second reference signal is used for determining the multi-antenna related transmitting for the second radio signal and the multi-antenna related transmitting and receiving for the third radio signal. ### Claim 10 (depends on 9) The UE according to claim 9, wherein the first signaling is used for determining the multi-antenna related receiving for the third radio signal. ### Claim 11 (depends on 9) The UE according to claim 9, wherein the first transceiver module receives a target radio signal and transmits a fourth radio signal; wherein the channel measurement for the target radio signal is used for triggering the fourth radio signal, and wherein the fourth radio signal is used for determining the multi-antenna related transmitting for the first radio signal. ### Claim 12 (depends on 9) The UE according to claim 9, wherein the multi-antenna related receiving for the second radio signal is related to the multi-antenna related receiving for the first radio signal. ### Claim 13 A base station device for wireless communication, comprising the following modules: a first transmitter module, to transmit a first radio signal in a first time interval; a second transceiver module, to transmit a second radio signal in a third time interval; and a second transmitter module, to transmit a third radio signal in a fourth time interval; wherein a receiver of the first radio signal conducts blind decoding for the first radio signal in a second time interval, the blind decoding for the first radio signal is used for recovering a first signaling, a multi-antenna related receiving for the second radio signal does not depend on the correct decoding of the first radio signal, the second radio signal and the third radio signal are transmitted by a same antenna port, the first signaling is used for determining first scheduling information, the first scheduling information is shared by the second radio signal and the third radio signal, the first scheduling information comprises at least one of {MCS (Modulation Coding Scheme), occupied time-frequency resource, retransmission procedure number, redundancy version, new data indicator, transmitting antenna port}, a end time of the second time interval is behind a start time of the third time interval, and the fourth time interval is behind the third time interval; and wherein antenna ports used for transmitting the first radio signal, the second radio signal and the third radio signal are all related to a first reference signal spatially, the first reference signal is used for determining a multi-antenna related transmitting and receiving for the first radio signal, the second radio signal and the third radio signal; or, an antenna port used for transmitting the first radio signal is related to the first reference signal spatially, the same antenna port used for transmitting the second radio signal and the third radio signal are related to a second reference signal spatially, the first reference signal differs from the second reference signal, the first reference signal is used for determining the multi-antenna related transmitting and receiving for the first radio signal, and the second reference signal is used for determining the multi-antenna related transmitting for the second radio signal and the multi-antenna related transmitting and receiving for the third radio signal. ### Claim 14 (depends on 13) The base station device according to claim 13, wherein the first signaling is used for determining the multi-antenna related receiving for the third radio signal. ### Claim 15 (depends on 13) The base station device according to claim 13, wherein the second transceiver module transmits a target radio signal and receives a fourth radio signal; wherein the channel measurement for the target radio signal is used for triggering the fourth radio signal, and wherein the fourth radio signal is used for determining the multi-antenna related transmitting for the first radio signal. ### Claim 16 (depends on 13) The base station device according to claim 13, wherein the multi-antenna related receiving for the second radio signal is related to the multi-antenna related receiving for the first radio signal.