IP Library › Granted Patent US 12,369,167
Granted Patent B2
US 12,369,167 · App. 18/655,752 · Granted Jul 22, 2025

Methods and apparatuses for transmitting and receiving control signaling, and method for determining information

Inventors: Shujuan Zhang (Shenzhen, CN); Yu Ngok Li (Shenzhen, CN); Bo Gao (Shenzhen, CN); Chuangxin Jiang (Shenzhen, CN); Nan Zhang (Shenzhen, CN); Hao Wu (Shenzhen, CN); Zhaohua Lu (Shenzhen, CN)
Assignee: ZTE Corporation
H04W72/23H04L5/0048H04W72/20H04W72/56
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Quick Facts
Patent No.
US 12,369,167
App. No.
18/655,752
Granted
Jul 22, 2025
Kind
B2
Abstract

Provided are methods and apparatuses for transmitting and receiving control signaling. The method include determining second information according to first information, where the second information includes at least one of: the number N of bits used in first control signaling to notify a first transmission parameter, a correspondence mapping table between an index value referenced by the first transmission parameter in the first control signaling and the value of the first transmission parameter, the type of the first transmission parameter notified by a predetermined indication field in the first control signaling, or position information of the bits used in the first control signaling to notify the first transmission parameter; and where the first information includes a relationship between a transmission time interval between the first control signaling and a first signal and a predetermined threshold K, where N and K are non-negative integers; and transmitting the first control signaling.

Claims (40)

1. A method for determining information, comprising:

determining, by a wireless communication device, whether a second signal exists in a time-domain symbol where a first signal is located,

determining, by the wireless communication device, a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of the second signal in a case where the second signal exists in the time-domain symbol where the first signal is located,

determining, by the wireless communication device, a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of a specified control resource set (CORESET) in a case where the second signal does not exist in the time-domain symbol where the first signal is located, and

receiving, by the wireless communication device, the first signal according to the determined QCL parameter of the first signal,

wherein a first time interval between the first signal and a first downlink control information (DCI) scheduling the first signal is less than a predetermined threshold X 1 , the first signal includes a first aperiodic downlink measurement reference signal, the second signal includes a second aperiodic downlink measurement reference signal and a second time interval between the second aperiodic downlink measurement reference signal and a second DCI scheduling the second aperiodic downlink measurement reference signal is greater than or equal to a predetermined threshold X 2 , wherein X 1 and X 2 are each a real number value.

2. The method of claim 1 , wherein the second signal further includes:

a physical downlink shared channel (PDSCH) and a periodic downlink measurement reference signal, where a third time interval between a third DCI for scheduling the PDSCH and the PDSCH is greater than or equal to the predetermined threshold X 2 .

3. The method of claim 2 , wherein the second signal further comprises a signal which is a previously scheduled signal before the time-domain symbol where the first signal is located.

4. The method of claim 1 , wherein the specified CORESET is a CORESET having the minimum CORESET ID among all the CORESETs required to be detected by the first wireless communication device in a serving cell where the first signal is located in a slot closest to the first signal.

5. A wireless communication device, the device comprising one or more processors, the one or more processors being configured to:

determine whether a second signal exists in a time-domain symbol where a first signal is located,

determine a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of the second signal in a case where the second signal exists in the time-domain symbol where the first signal is located,

determine a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of a specified control resource set (CORESET) in a case where the second signal does not exist in the time-domain symbol where the first signal is located, and

receive the first signal according to the determined QCL parameter of the first signal,

wherein a first time interval between the first signal and a first downlink control information (DCI) scheduling the first signal is less than a predetermined threshold X 1 , the first signal includes a first aperiodic downlink measurement reference signal, the second signal includes a second aperiodic downlink measurement reference signal and a second time interval between the second aperiodic downlink measurement reference signal and a second DCI scheduling the second aperiodic downlink measurement reference signal is greater than or equal to a predetermined threshold X 2 , wherein X 1 and X 2 are each a real number value.

6. The wireless communication device of claim 5 , wherein the second signal further includes:

a physical downlink shared channel (PDSCH) and a periodic downlink measurement reference signal, where a third time interval between a third DCI for scheduling the PDSCH and the PDSCH is greater than or equal to the predetermined threshold X 2 .

7. The wireless communication device of claim 6 , wherein the second signal further comprises a signal which is a previously scheduled signal before the time-domain symbol where the first signal is located.

8. The wireless communication device of claim 5 , wherein the specified CORESET is a CORESET having the minimum CORESET ID among all the CORESETs required to be detected by the first wireless communication device in a serving cell where the first signal is located in a slot closest to the first signal.

9. A method for determining information, comprising:

determining, by a base station (BS), whether a second signal exists in a time-domain symbol where a first signal is located,

determining, by the BS, a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of the second signal in a case where the second signal exists in the time-domain symbol where the first signal is located,

determining, by the BS, a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of a specified control resource set (CORESET) in a case where the second signal does not exist in the time-domain symbol where the first signal is located,

transmitting, by the BS, the first signal according to the determined QCL parameter of the first signal,

wherein a first time interval between the first signal and a first downlink control information (DCI) scheduling the first signal is less than a predetermined threshold X 1 , the first signal includes a first aperiodic downlink measurement reference signal, the second signal includes a second aperiodic downlink measurement reference signal and a second time interval between the second aperiodic downlink measurement reference signal and a second DCI scheduling the second aperiodic downlink measurement reference signal is greater than or equal to a predetermined threshold X 2 , wherein X 1 and X 2 are each a real number value.

10. The method of claim 9 , wherein the second signal further includes:

a physical downlink shared channel (PDSCH) and a periodic downlink measurement reference signal, where a third time interval between a third DCI for scheduling the PDSCH and the PDSCH is greater than or equal to the predetermined threshold X 2 .

11. The method of claim 10 , wherein the second signal further comprises a signal which is a previously scheduled signal before the time-domain symbol where the first signal is located.

12. The method of claim 9 , wherein the specified CORESET is a CORESET having the minimum CORESET ID among all the CORESETs required to be detected by the first wireless communication device in a serving cell where the first signal is located in a slot closest to the first signal.

13. A base station (BS), the BS comprising one or more processors, the one or more processors being configured to:

determine whether a second signal exists in a time-domain symbol where a first signal is located,

determine a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of the second signal in a case where the second signal exists in the time-domain symbol where the first signal is located,

determine a quasi co-location (QCL) parameter of the first signal based on a QCL parameter of a specified control resource set (CORESET) in a case where the second signal does not exist in the time-domain symbol where the first signal is located,

transmit the first signal according to the determined QCL parameter of the first signal,

wherein a first time interval between the first signal and a first downlink control information (DCI) scheduling the first signal is less than a predetermined threshold X 1 , the first signal includes a first aperiodic downlink measurement reference signal, the second signal includes a second aperiodic downlink measurement reference signal and a second time interval between the second aperiodic downlink measurement reference signal and a second DCI scheduling the second aperiodic downlink measurement reference signal is greater than or equal to a predetermined threshold X 2 , wherein X 1 and X 2 are each a real number value.

14. The base station of claim 13 , wherein the second signal further includes:

a physical downlink shared channel (PDSCH) and a periodic downlink measurement reference signal, where a third time interval between a third DCI for scheduling the PDSCH and the PDSCH is greater than or equal to the predetermined threshold X 2 .

15. The base station of claim 14 , wherein the second signal further comprises a signal which is a previously scheduled signal before the time-domain symbol where the first signal is located.

16. The base station of claim 13 , wherein the specified CORESET is a CORESET having the minimum CORESET ID among all the CORESETs required to be detected by the first wireless communication device in a serving cell where the first signal is located in a slot closest to the first signal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded May 6, 2024
From: ZHANG, SHUJUAN; LI, YU NGOK; GAO, BO; JIANG, CHUANGXIN; ZHANG, NAN; WU, HAO; LU, ZHAOHUA
To: ZTE CORPORATION
Reel/Frame 067322/0409 →
Priority Claims (1)
CN 201810160248.2 · Feb 26, 2018 · national
Continuity (4)
Continuation 18147039 · Dec 28, 2022
Continuation 17002474 · Aug 25, 2020
Continuation PCTCN2019076207 · Feb 26, 2019
Related Publication 20240365324A1 · Oct 31, 2024
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