IP Library Granted Patent US 11,985,079
Granted Patent B2
US 11,985,079 · App. 17/890,235 · Granted May 14, 2024

Method and device in UE and base station for wireless communication

Inventors: Qi Jiang (Shanghai, CN); Xiaobo Zhang (Shanghai, CN)
Assignee: Dido Wireless Innovations, LLC
H04L5/0005H04W72/044
View Patent ↗
Loading inventors, assignments & file history…
Monitor This Case
Get email alerts when status or documents change.
Order Certified Copies
Most orders are placed with the USPTO same day — all within 24 business hours.
Order via The Patent Place →
Pre-filled with this patent's details
Quick Facts
Patent No.
US 11,985,079
App. No.
17/890,235
Granted
May 14, 2024
Kind
B2
Abstract

The disclosure provides a method and device in User Equipment (UE) and base station for wireless communication. The UE receives Q1 first-type information groups, and transmits or receives a first radio signal in a first time-frequency resource according to a configuration of a first information group; the first information group is one of the Q1 first-type information groups; a frequency domain position of the first time-frequency resource is used for determining the first information group from the Q1 first-type information groups; each of the Q1 first-type information groups includes at least one of relevant information to a subcarrier spacing. The disclosure establishes an association between the frequency domain position of the first time-frequency resource and the first information group, thereby simplifying the reception of the first-type information group, improving the flexibility of scheduling of frequency domain resources on unlicensed spectrum, and improving the overall performance of the system.

Claims (45)

1. A method in a User Equipment (UE) for wireless communication, comprising:

receiving first information;

receiving Q1 first-type information groups;

determining K1 candidate subband(s) and first operating a first radio signal in a first time-frequency resource according to a configuration of a first information group;

wherein the first information group is one of the Q1 first-type information groups; a frequency domain position of the first time-frequency resource is used for determining the first information group from the Q1 first-type information groups; each of the Q1 first-type information groups comprises at least one of relevant information to a subcarrier spacing, relevant information to a cyclic prefix or relevant information to a bandwidth, and the Q1 is a positive integer greater than 1; and the first operating is transmitting, or the first operating is receiving; the first time-frequency resource belongs to a first sub band in frequency domain, the first sub band is one of the K1 candidate subband(s), a position of the first subband in the K1 candidate subband(s) is used for determining the first information group from the Q1 first-type information groups, and the K1 is a positive integer; the first information is used for indicating M1 first-type subband(s); the K1 candidate subband(s) is(are) a subset belonging to the M1 first-type subband(s); the M1 is a positive integer not less than the K1; and the first information is transmitted through an air interface; the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates a subcarrier gap or subcarrier spacing of a multi carrier symbol.

2. The method according to claim 1 , comprising:

receiving a first signaling group;

wherein the first signaling group is used for indicating K1 candidate subband(s); the first signaling group comprises K2 physical layer signaling(s), and the K2 is a positive integer.

3. The method according to claim 1 , comprising:

detecting K1 first-type reference signal(s) in the M1 first-type subband(s);

wherein a detection(s) for the K1 first-type reference signal(s) is(are) used for determining the K1 candidate subband(s).

4. The method according to claim 1 , comprising:

second operating a second radio signal in a second time-frequency resource according to a configuration of a second information group;

wherein the second information group is one of the Q1 first-type information groups; the first time-frequency resource and the second time-frequency resource are orthogonal in time domain; a frequency domain position of the second time-frequency resource is used for determining the second information group from the Q1 first-type information groups; only when the first information group and the second information group are one same first-type information group among the Q1 first-type information groups, the first radio signal and the second radio signal are considered to be related; and the second operating is transmitting, or the second operating is receiving.

5. The method according to claim 1 , wherein the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates one of 15 kHz, 30 kHz, 60 kHz, 120 kHz, 240 kHz or 480 kHz.

6. The method according to claim 1 , wherein the first information is generated on the RRC sublayer.

7. The method according to claim 1 , wherein any one of the K1 candidate subband(s) is one BWP.

8. A method in a base station for wireless communication, comprising:

transmitting first information;

transmitting Q1 first-type information groups;

determining K1 candidate subband(s) and

first processing a first radio signal in a first time-frequency resource according to configuration of a first information group;

wherein the first information group is one of the Q1 first-type information groups; a frequency domain position of the first time-frequency resource is used for determining the first information group from the Q1 first-type information groups; each of the Q1 first-type information groups comprises at least one of relevant information to a subcarrier spacing, relevant information to a cyclic prefix or relevant information to a bandwidth, and the Q1 is a positive integer greater than 1; and the first processing is receiving, or the first processing is transmitting; the first time-frequency resource belongs to a first sub band in frequency domain, the first sub band is one of the K1 candidate subband(s), a position of the first subband in the K1 candidate subband(s) is used for determining the first information group from the Q1 first-type information groups, and the K1 is a positive integer; the first information is used for indicating M1 first-type subband(s); the K1 candidate subband(s) is(are) a subset belonging to the M1 first-type subband(s); the M1 is a positive integer not less than the K1; and the first information is transmitted through an air interface; the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates a subcarrier gap or subcarrier spacing of a multi carrier symbol.

9. The method according to claim 8 , comprising:

transmitting a first signaling group;

the first signaling group is used for indicating K1 candidate subband(s); the first signaling group comprises K2 physical layer signaling(s), and the K2 is a positive integer.

10. A UE for wireless communication, comprising:

a first receiver, to receive Q1 first-type information groups; and

a first transceiver, to receive first information, to determine K1 candidate subband(s), to first operate a first radio signal in a first time-frequency resource according to a configuration of a first information group;

wherein the first information group is one of the Q1 first-type information groups; a frequency domain position of the first time-frequency resource is used for determining the first information group from the Q1 first-type information groups; each of the Q1 first-type information groups comprises at least one of relevant information to a subcarrier spacing, relevant information to a cyclic prefix or relevant information to a bandwidth, and the Q1 is a positive integer greater than 1; and the first operate is transmit, or the first operate is receive; the first time-frequency resource belongs to a first subband in frequency domain, the first subband is one of the K1 candidate subband(s), a position of the first subband in the K1 candidate subband(s) is used for determining the first information group from the Q1 first-type information groups, and the K1 is a positive integer; the first information is used for indicating M1 first-type subband(s); the K1 candidate subband(s) is(are) a subset belonging to the M1 first-type subband(s); the M1 is a positive integer not less than the K1; and the first information is transmitted through an air interface; the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates a subcarrier gap or subcarrier spacing of a multi carrier symbol.

11. The UE according to claim 10 , wherein

the first transceiver receives a first signaling group; the first signaling group is used for indicating K1 candidate subband(s); the first signaling group comprises K2 physical layer signaling(s), and the K2 is a positive integer.

12. The UE according to claim 10 , wherein the first transceiver detects K1 first-type reference signal(s) in the M1 first-type subband(s); and a detection(s) for the K1 first-type reference signal(s) is(are) used for determining the K1 candidate subband(s).

13. The UE according to claim 10 , wherein the first transceiver second operates a second radio signal in a second time-frequency resource according to a configuration of a second information group; the second information group is one of the Q1 first-type information groups; the first time-frequency resource and the second time-frequency resource are orthogonal in time domain; a frequency domain position of the second time-frequency resource is used for determining the second information group from the Q1 first-type information groups; only when the first information group and the second information group are one same first-type information group among the Q1 first-type information groups, the first radio signal and the second radio signal are considered to be related; and the second operate is transmit, or the second operate is receive.

14. The UE according to claim 10 , wherein the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates one of 15 kHz, 30 kHz, 60 kHz, 120 kHz, 240 kHz or 480 kHz.

15. The UE according to claim 10 , wherein the first information is generated on the RRC sublayer.

16. The UE according to claim 10 , wherein any one of the K1 candidate subband(s) is one BWP.

17. A base station for wireless communication, comprising:

a first transmitter, to transmit Q1 first-type information groups; and

a second transceiver, to transmit first information, to determine K1 candidate subband(s), to first process a first radio signal in a first time-frequency resource according to a configuration of a first information group;

wherein the first information group is one of the Q1 first-type information groups; a frequency domain position of the first time-frequency resource is used for determining the first information group from the Q1 first-type information groups; each of the Q1 first-type information groups comprises at least one of relevant information to a subcarrier spacing, relevant information to a cyclic prefix or relevant information to a bandwidth, and the Q1 is a positive integer greater than 1; and the first process is receive, or the first process is transmit; the second transceiver determines K1 candidate subband(s); the first time-frequency resource belongs to a first subband in frequency domain, the first subband is one of the K1 candidate subband(s), a position of the first subband in the K1 candidate subband(s) is used for determining the first information group from the Q1 first-type information groups, and the K1 is a positive integer; the first information is used for indicating M1 first-type subband(s); the K1 candidate subband(s) is(are) a subset belonging to the M1 first-type subband(s); the M1 is a positive integer not less than the K1; and the first information is transmitted through an air interface; the relevant information to a subcarrier spacing included in each of the Q1 first-type information groups indicates a subcarrier gap or subcarrier spacing of a multicarrier symbol.

18. The base station according to claim 17 , wherein

the second transceiver transmits a first signaling group; the first signaling group is used for indicating K1 candidate subband(s); the first signaling group comprises K2 physical layer signaling(s), and the K2 is a positive integer.

19. The base station according to claim 17 , wherein the second transceiver performs M1 energy detection(s) for the M1 first-type subband(s) respectively; the second transceiver transmits K1 first-type reference signal(s) in the K1 candidate subband(s) respectively; the M1 energy detection(s) is(are) used for determining that the K1 candidate subband(s) is(are) not occupied, and a detection(s) for the K1 first-type reference signal(s) is(are) used for determining the K1 candidate subband(s).

20. The base station according to claim 17 , wherein the second transceiver second processes a second radio signal in a second time-frequency resource according to a configuration of a second information group; the second information group is one of the Q1 first-type information groups; the first time-frequency resource and the second time-frequency resource are orthogonal in time domain; a frequency domain position of the second time-frequency resource is used for determining the second information group from the Q1 first-type information groups; only when the first information group and the second information group are one same first-type information group among the Q1 first-type information groups, the first radio signal and the second radio signal are considered to be related; and the second process is receive, or the second process is transmit.

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Mar 28, 2023
From: JIANG, QI; ZHANG, XIAOBO
To: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY COMPANY LIMITED
Reel/Frame 063134/0444 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Dec 14, 2022
From: SHANGHAI LANGBO COMMUNICATION TECHNOLOGY CO., LTD.
To: DIDO WIRELESS INNOVATIONS LLC
Reel/Frame 062084/0077 →
Priority Claims (1)
CN 201810210774.5 · Mar 14, 2018 · national
Continuity (3)
Continuation 17009795 · Sep 2, 2020
Continuation PCTCN2019076881 · Mar 4, 2019
Related Publication 20220393811A1 · Dec 8, 2022