IP Library Granted Patent US 12,120,062
Granted Patent B2
US 12,120,062 · App. 18/217,604 · Granted Oct 15, 2024

Method and device in UE and base station used for wireless communication

Inventor: Xiaobo Zhang (Shanghai, CN)
Assignee: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
H04L5/0055H04B7/0413H04L1/1812H04L5/0005H04W72/23
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Quick Facts
Patent No.
US 12,120,062
App. No.
18/217,604
Granted
Oct 15, 2024
Kind
B2
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 (51)

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.

2. 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.

3. 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.

4. 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.

5. 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.

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.

7. 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.

8. 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.

9. 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.

10. 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.

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.

12. 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.

13. 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.

14. 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.

15. 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.

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.

17. 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.

18. 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.

19. 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.

20. 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.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Apr 28, 2025
From: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
To: APOGEE NETWORKS, LLC
Reel/Frame 071083/0872 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 15, 2023
From: ZHANG, XIAOBO
To: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
Reel/Frame 064584/0491 →
Priority Claims (1)
CN 201810200864.6 · Mar 12, 2018 · national
Continuity (4)
Continuation 17855814 · Jul 1, 2022
Continuation 17005345 · Aug 28, 2020
Continuation PCTCN2019077579 · Mar 9, 2019
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