IP Library › Granted Patent US 11,394,515
Granted Patent B2
US 11,394,515 · App. 16/930,095 · Granted Jul 19, 2022

Information transmission method, device, and system, and storage medium

Inventor: Yajun Zhu (Beijing, CN)
Assignee: Beijing Xiaomi Mobile Software Co., Ltd.
H04L5/0055H04L5/0005
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Quick Facts
Patent No.
US 11,394,515
App. No.
16/930,095
Granted
Jul 19, 2022
Kind
B2
Abstract

Methods, apparatuses, and storage medium are provided for information transmission. The method includes receiving target control information sent by a base station by means of a target downlink resource, determining a time-frequency location of the target uplink resource, and transmitting, according to the time-frequency location, response information to the base station by means of the target uplink resource, the response information being used to indicate whether user equipment (UE) has correctly received the target control information.

Claims (79)

1. An information transmission method, comprising:

receiving target control information sent by a base station through a target downlink resource;

determining a time-frequency position of a target uplink resource; and

sending response information to the base station through the target uplink resource according to the time-frequency position, the response information being configured to indicate whether user equipment (UE) correctly receives the target control information;

wherein the target control information comprises first time-frequency position offset information, and the first time-frequency position offset information is configured to indicate a spacing between the time-frequency position of the target uplink resource and a time-frequency position of the target downlink resource in a time domain; and wherein determining the time-frequency position of the target uplink resource comprises:

determining the time-frequency position of the target downlink resource; and

determining the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and the first time-frequency position offset information.

2. An information transmission device, comprising:

one or more processors; and

a non-transitory computer-readable storage medium storing instructions executable by the one or more processors, wherein the one or more processors are configured to:

receive target control information sent by a base station through a target downlink resource;

determine a time-frequency position of a target uplink resource;

send response information to the base station through the target uplink resource according to the time-frequency position, the response information being configured to indicate whether the information transmission device correctly receives the target control information;

determine a time-frequency position of the target downlink resource, wherein the target control information comprises first time-frequency position offset information, and the first time-frequency position offset information is configured to indicate a spacing between the time-frequency position of the target uplink resource and a time-frequency position of the target downlink resource in a time domain; and

determine the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and the first time-frequency position offset information.

3. The information transmission device of claim 2 , wherein the one or more processors are configured to:

acquire a preset first uplink time-frequency position set, wherein the preset first uplink time-frequency position set comprises at least one uplink time-frequency position configured to transmit the response information;

determine a target uplink time-frequency position in the preset first uplink time-frequency position set; and

determine that the target uplink time-frequency position matches the time-frequency position of the target uplink resource.

4. The information transmission device of claim 3 , wherein the one or more processors are configured to:

determine whether any uplink time-frequency position in the preset first uplink time-frequency position set matches the target uplink time-frequency position.

5. The information transmission device of claim 3 , wherein the one or more processors are configured to:

determine a time-frequency position of the target downlink resource; and

determine that the uplink time-frequency position at a minimum spacing away from the time-frequency position of the target downlink resource in a time domain in the preset first uplink time-frequency position set matches the target uplink time-frequency position.

6. The information transmission device of claim 2 , wherein the one or more processors are configured to:

determine a time-frequency position of the target downlink resource; and

determine the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and a preset position binding rule.

7. The information transmission device of claim 2 , wherein the one or more processors are configured to:

determine a time length required by control information processing of the information transmission device;

determine a time-frequency position of the target downlink resource; and

determine the time-frequency position of the target uplink resource, a spacing between the time-frequency position of the target uplink resource and the time-frequency position of the target downlink resource in a time domain being greater than or equal to the time length.

8. The information transmission device of claim 7 , wherein the one or more processors are configured to:

determine a second uplink time-frequency position set, wherein the second uplink time-frequency position set comprises at least one uplink time-frequency position at a spacing greater than or equal to the time length away from the time-frequency position of the target downlink resource in the time domain; and

determine that the uplink time-frequency position at a minimum spacing away from the time-frequency position of the target downlink resource in the time domain in the second uplink time-frequency position set matches the time-frequency position of the target uplink resource.

9. The information transmission device of claim 2 , wherein the one or more processors are configured to:

determine a target scrambling sequence, wherein the target control information is scrambled by the base station based on the target scrambling sequence; and;

acquire second time-frequency position offset information corresponding to the target scrambling sequence, the second time-frequency position offset information being configured to indicate a spacing between the time-frequency position of the target uplink resource and a time-frequency position of the target downlink resource in a time domain;

determine the time-frequency position of the target downlink resource; and

determine the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and the second time-frequency position offset information.

10. The information transmission device of claim 9 , wherein the one or more processors are configured to:

acquire a preset scrambling sequence set, wherein the scrambling sequence set comprises at least one scrambling sequence;

sequentially descramble the target control information by using the scrambling sequence in the scrambling sequence set; and

determine that the scrambling sequence capable of successfully descrambling the target control information in the scrambling sequence set matches the target scrambling sequence.

11. The information transmission device of claim 10 , wherein the one or more processors are configured to:

sequentially descramble a cyclic redundancy check (CRC) of the target control information by using the scrambling sequence in the scrambling sequence set, wherein the CRC of the target control information is scrambled by the base station based on the target scrambling sequence.

12. An information transmission device, comprising:

one or more processors; and

a non-transitory computer-readable storage medium storing instructions executable by the one or more processors, wherein the one or more processors are configured to:

determine a time-frequency position of a target uplink resource;

generate, after the time-frequency position of the target uplink resource is determined, first time-frequency position offset information, the first time-frequency position offset information being configured to indicate a spacing between the time-frequency position of the target uplink resource and a time-frequency position of a target downlink resource in a time domain; and

generate a target control information, the target control information including the first time-frequency position offset information configured to instruct the UE to determine the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and the first time-frequency position offset information;

send target control information to user equipment (UE) through the target downlink resource;

receive response information sent by the UE through the target uplink resource according to the time-frequency position, the response information being configured to indicate whether the UE correctly receives the target control information.

13. The information transmission device of claim 12 , wherein the one or more processors are configured to:

acquire a preset first uplink time-frequency position set, wherein the preset first uplink time-frequency position set comprises at least one uplink time-frequency position configured to transmit the response information;

determine a target uplink time-frequency position in the preset first uplink time-frequency position set; and

determine that the target uplink time-frequency position matches the time-frequency position of the target uplink resource.

14. The information transmission device of claim 13 , wherein the one or more processors are configured to:

determine that all the uplink time-frequency positions in the preset first uplink time-frequency position set match the target uplink time-frequency position; and

sequentially receive the response information at the uplink time-frequency position in the preset first uplink time-frequency position set until the response information is received.

15. The information transmission device of claim 13 , wherein the one or more processors are configured to:

determine a time-frequency position of the target downlink resource; and

determine that the uplink time-frequency position at a minimum spacing away from the time-frequency position of the target downlink resource in a time domain in the preset first uplink time-frequency position set matches the target uplink time-frequency position.

16. The information transmission device of claim 12 , wherein the one or more processors are configured to:

determine a time-frequency position of the target downlink resource; and

determine the time-frequency position of the target uplink resource according to the time-frequency position of the target downlink resource and a preset position binding rule.

17. The information transmission device of claim 12 , wherein the one or more processors are configured to:

determine a time length required by control information processing of the UE;

determine a time-frequency position of the target downlink resource; and

determine the time-frequency position of the target uplink resource, wherein a spacing between the time-frequency position of the target uplink resource and the time-frequency position of the target downlink resource in a time domain is greater than or equal to the time length.

18. The information transmission device of claim 17 , wherein the one or more processors are configured to:

acquire capability information sent by the UE in a random access process, the capability information being configured to indicate the time length required by control information processing of the UE.

19. The information transmission device of claim 17 , wherein the one or more processors are configured to:

determine a second uplink time-frequency position set, wherein the second uplink time-frequency position set comprises at least one uplink time-frequency position at a spacing greater than or equal to the time length away from the time-frequency position of the target downlink resource in the time domain; and

determine the uplink time-frequency position at a minimum spacing away from the time-frequency position of the target downlink resource in the time domain in the second uplink time-frequency position set as the time-frequency position of the target uplink resource.

20. The information transmission device of claim 12 , wherein the one or more processors are further configured to:

determine, after the time-frequency position of the target uplink resource is determined, second time-frequency position offset information, the second time-frequency position offset information being configured to indicate a spacing between the time-frequency position of the target uplink resource and a time-frequency position of the target downlink resource in a time domain;

determine a target scrambling sequence corresponding to the second time-frequency position offset information; and

scramble, after determining the target scrambling sequence, the target control information based on the target scrambling sequence to cause the UE to determine the time-frequency position of the target uplink resource according to the second time-frequency position offset information corresponding to the target scrambling sequence and the time-frequency position of the target downlink resource.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jul 15, 2020
From: ZHU, YAJUN
To: BEIJING XIAOMI MOBILE SOFTWARE CO., LTD.
Reel/Frame 053221/0118 →
Continuity (2)
Continuation PCTCN2018075147 · Feb 2, 2018
Related Publication 20200351058A1 · Nov 5, 2020