IP Library › Granted Patent US 12,323,902
Granted Patent B2
US 12,323,902 · App. 18/504,904 · Granted Jun 3, 2025

Control information sending/receiving method and device

Inventors: Lixia Xue (Beijing, CN); Xu Zhang (Beijing, CN); Jianguo Wang (Beijing, CN); Yi Qin (Shanghai, CN); Yongzhao Cao (Shenzhen, CN)
Assignee: Huawei Technologies Co., Ltd.
H04W48/10H04J11/0073H04J11/0079H04L5/0035H04L5/0053H04L5/0094H04L25/03012H04L47/76H04W56/001H04W72/04H04W72/30H04B17/382H04L27/2671H04L47/806H04L47/822H04N21/4622H04W72/0446H04W72/23
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Quick Facts
Patent No.
US 12,323,902
App. No.
18/504,904
Granted
Jun 3, 2025
Kind
B2
Abstract

A control information sending/receiving method and device are provided, to implement indicating a time-frequency location of a control channel to a terminal device in a 5G NR system or a future evolved LTE system. The method includes: receiving, by a terminal device, broadcast information; determining, from at least two predefined time-domain locations, a time-domain location of a broadcast channel carrying the broadcast information; determining a time-domain location of a control channel based on the time-domain location of the broadcast channel; and performing control channel detection in the determined time-domain location of the control channel.

Claims (55)

1. A control information sending method comprising:

sending broadcast information; and

sending control information, wherein a time-domain location of a control channel carrying the control information is determined based on a time-domain location of a broadcast channel carrying the broadcast information and a correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel, and wherein the time-domain location of the broadcast channel is one of at least two predefined time-domain locations in at least one timeslot.

2. The method according to claim 1 , wherein the broadcast information includes indication information indicating a time-domain resource set of control channels, and wherein the time-domain location of the control channel is determined from the time-domain resource set based on the time-domain location of the broadcast channel and the correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel.

3. The method according to claim 1 , wherein the time-domain location of the broadcast channel is a location relative to a start symbol of a timeslot, and the time-domain location of the control channel is a location relative to a start symbol of a timeslot.

4. The method according to claim 1 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is the symbol with the number 0; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 6 to 9 in a timeslot, the time-domain location of the control channel is the symbol with the number 1.

5. The method according to claim 1 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 4 to 7 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 0 to 1; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 8 to 11 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 2 to 3.

6. The method according to claim 1 , wherein a subcarrier width of the broadcast channel is 15 kHz, and a subcarrier width of the control channel is 15 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is symbols with numbers 0 to 1 in a timeslot; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, and the time-domain location of the control channel is a symbol with a number 0 in a timeslot.

7. The method according to claim 1 , wherein a reference signal of the broadcast channel is quasi-co-located with a reference signal of the control channel.

8. The method according to claim 1 , wherein the time-domain location of the control channel is orthogonal to the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein a portion of the time-domain location of the control channel is orthogonal to a time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel, and the other portion of the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and the time-domain location of the synchronization signal.

9. A control information receiving apparatus comprising one or more processors in communications with a non-transitory memory storing computer instructions, wherein the instructions, when executed by the one or more processors, cause the apparatus to:

send broadcast information; and

send control information, wherein a time-domain location of a control channel carrying the control information is determined based on a time-domain location of a broadcast channel carrying the broadcast information and a correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel, and wherein the time-domain location of the broadcast channel is one of at least two predefined time-domain locations in at least one timeslot.

10. The apparatus according to claim 9 , wherein the broadcast information includes indication information indicating a time-domain resource set of control channels, and wherein the time-domain location of the control channel is determined from the time-domain resource set based on the time-domain location of the broadcast channel and the correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel.

11. The apparatus according to claim 9 , wherein the time-domain location of the broadcast channel is a location relative to a start symbol of a timeslot, and the time-domain location of the control channel is a location relative to a start symbol of a timeslot.

12. The apparatus according to claim 9 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is the symbol with the number 0; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 6 to 9 in a timeslot, the time-domain location of the control channel is the symbol with the number 1.

13. The apparatus according to claim 9 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 4 to 7 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 0 to 1; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 8 to 11 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 2 to 3.

14. The apparatus according to claim 9 , wherein a subcarrier width of the broadcast channel is 15 kHz, and a subcarrier width of the control channel is 15 kHz, and

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is symbols with numbers 0 to 1 in a timeslot; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, and the time-domain location of the control channel is a symbol with a number 0 in a timeslot.

15. The apparatus according to claim 9 , wherein a reference signal of the broadcast channel is quasi-co-located with a reference signal of the control channel.

16. The apparatus according to claim 9 , wherein the time-domain location of the control channel is orthogonal to the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein a portion of the time-domain location of the control channel is orthogonal to a time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel, and the other portion of the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and the time-domain location of the synchronization signal.

17. A non-transitory computer-readable storage medium comprising executable instructions, wherein the executable instructions, when executed by a processor of an apparatus, cause the apparatus to:

send broadcast information; and

send control information, wherein a time-domain location of a control channel carrying the control information is determined based on a time-domain location of a broadcast channel carrying the broadcast information and a correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel, and wherein the time-domain location of the broadcast channel is one of at least two predefined time-domain locations in at least one timeslot.

18. The non-transitory computer-readable storage medium according to claim 17 , wherein the broadcast information includes indication information indicating a time-domain resource set of control channels, and wherein the time-domain location of the control channel is determined from the time-domain resource set based on the time-domain location of the broadcast channel and the correspondence between the time-domain location of the broadcast channel and the time-domain location of the control channel.

19. The non-transitory computer-readable storage medium according to claim 17 , wherein the time-domain location of the broadcast channel is a location relative to a start symbol of a timeslot, and the time-domain location of the control channel is a location relative to a start symbol of a timeslot.

20. The non-transitory computer-readable storage medium according to claim 17 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz, and,

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is the symbol with the number 0; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 6 to 9 in a timeslot, the time-domain location of the control channel is the symbol with the number 1.

21. The non-transitory computer-readable storage medium according to claim 17 , wherein a subcarrier width of the broadcast channel is 30 kHz, and a subcarrier width of the control channel is 30 kHz,

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 4 to 7 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 0 to 1; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 8 to 11 in a timeslot, the time-domain location of the control channel is the symbols with the numbers 2 to 3.

22. The non-transitory computer-readable storage medium according to claim 17 , wherein a subcarrier width of the broadcast channel is 15 kHz, and a subcarrier width of the control channel is 15 kHz, and

wherein

the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, the time-domain location of the control channel is symbols with numbers 0 to 1 in a timeslot; or

wherein the time-domain location of a synchronization signal block including the broadcast channel is symbols with numbers 2 to 5 in a timeslot, and the time-domain location of the control channel is a symbol with a number 0 in a timeslot.

23. The non-transitory computer-readable storage medium according to claim 17 , wherein a reference signal of the broadcast channel is quasi-co-located with a reference signal of the control channel.

24. The non-transitory computer-readable storage medium according to claim 17 , wherein the time-domain location of the control channel is orthogonal to the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel; or

wherein a portion of the time-domain location of the control channel is orthogonal to a time-domain location of the broadcast channel and a time-domain location of a synchronization signal corresponding to the broadcast channel, and wherein another portion of the time-domain location of the control channel is the same or partially the same as the time-domain location of the broadcast channel and the time-domain location of the synchronization signal.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Nov 8, 2023
From: XUE, LIXIA; ZHANG, XU; WANG, JIANGUO; QIN, YI; CAO, YONGZHAO
To: HUAWEI TECHNOLOGIES CO., LTD.
Reel/Frame 065501/0540 →
Priority Claims (1)
CN 201710687956.7 · Aug 11, 2017 · national
Continuity (5)
Continuation 17478709 · Sep 17, 2021
Continuation 16750938 · Jan 23, 2020
Continuation 16248454 · Jan 15, 2019
Continuation PCTCN2018097425 · Jul 27, 2018
Related Publication 20240155466A1 · May 9, 2024
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