IP Library Granted Patent US 12,309,788
Granted Patent B2
US 12,309,788 · App. 18/211,896 · Granted May 20, 2025

Method and device for transmitting and receiving scheduling request in wireless communication system

Inventors: Jiwon Kang (Seoul, KR); Eunjong Lee (Seoul, KR); Hyunho Lee (Seoul, KR)
Assignee: LG Electronics Inc.
H04W72/21
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Quick Facts
Patent No.
US 12,309,788
App. No.
18/211,896
Granted
May 20, 2025
Kind
B2
Abstract

A method for transmitting a scheduling request (SR) by a terminal in a wireless communication system according to one embodiment of the present specification comprises: a step for receiving setting information related to an SR; and a step for transmitting at least one SR on the basis of the setting information. On the basis of the at least one SR overlapping with a different type of uplink control information (UCI), a UCI bit in which a specific field related to the at least one SR and the different type of UCI are combined is transmitted. On the basis of the at least one SR being related to beam failure recovery (BFR), the specific field indicates the beam failure recovery.

Claims (57)

1. A method comprising:

receiving, by a user equipment (UE), configuration information related to a plurality of scheduling requests (SRs); and

transmitting, by the UE, the plurality of SRs based on the configuration information,

wherein, in case the plurality of SRs are overlapped with transmission of hybrid automatic repeat request (HARQ) information or Channel State Information (CSI);

uplink control information (UCI) bits are transmitted, in which i) first bits related to the plurality of SRs and ii) HARQ information bits or CSI bits are multiplexed,

wherein the first bits related to the plurality of SRs represent one of the plurality of SRs as a positive SR or all of the plurality of SRs as negative SRs,

wherein, in case one of the first bits is a value other than zero: based on the one of the plurality of SRs being the positive SR related to a beam failure recovery (BFR), the value of the first bits related to the plurality of SRs indicates the positive SR related to the BFR.

2. The method of claim 1 ,

wherein, in case all values of all of the first bits are zero, the first bits represent a negative SR for all of the plurality of SRs.

3. The method of claim 1 ,

wherein, in case the one of the first bits is a value other than zero, the value of the first bits related to the plurality of SRs represents a positive SR for the one of the plurality of SRs.

4. The method of claim 1 ,

wherein the BFR is related to a beam failure of at least one secondary cell (SCell).

5. The method of claim 4 , further comprising transmitting a message related to the BFR,

wherein the message is based on a medium access control-control element (MAC-CE).

6. The method of claim 5 ,

wherein the MAC-CE includes a field for at least one of i) an identifier (ID) of the at least one SCell or ii) information related to a new beam.

7. A user equipment (UE) comprising:

one or more transceivers;

one or more processors configured to control the one or more transceivers; and

one or more memories operatively coupled to the one or more processors and storing instructions that, based on being executed by the one or more processors, perform operations comprising:

receiving, by the UE, configuration information related to a plurality of scheduling requests (SRs); and

transmitting, by the UE, the plurality of SRs based on the configuration information,

wherein, in case the plurality of SRs are overlapped with transmission of hybrid automatic repeat request (HARQ) information or Channel State Information (CSI);

uplink control information (UCI) bits are transmitted, in which i) first bits related to the plurality of SRs and ii) HARQ information bits or CSI bits are multiplexed,

wherein the first bits related to the plurality of SRs represent one of the plurality of SRs as a positive SR or all of the plurality of SRs as negative SRs,

wherein, in case one of the first bits is a value other than zero: based on the one of the plurality of SRs being the positive SR related to a beam failure recovery (BFR), the value of the first bits related to the plurality of SRs indicates the positive SR related to the BFR.

8. The UE of claim 7 ,

wherein, in case all values of all of the first bits are zero, the first bits represent a negative SR for all of the plurality of SRs.

9. The UE of claim 7 ,

wherein, in case the one of the first bits is a value other than zero, the value of the first bits related to the plurality of SRs represents a positive SR for the one of the plurality of SRs.

10. The UE of claim 7 ,

wherein the BFR is related to a beam failure of at least one secondary cell (SCell).

11. The UE of claim 10 , the operations further comprising transmitting a message related to the BFR,

wherein the message is based on a medium access control-control element (MAC-CE).

12. The UE of claim 11 ,

wherein the MAC-CE includes a field for at least one of i) an identifier (ID) of the at least one SCell or ii) information related to a new beam.

13. A base station comprising:

one or more transceivers;

one or more processors configured to control the one or more transceivers; and

one or more memories operatively coupled to the one or more processors and storing instructions that, based on being executed by the one or more processors, perform operations comprising:

transmitting, by a base station, configuration information related to a plurality of scheduling requests (SRs), and

receiving, by the base station, the plurality of SRs based on the configuration information,

wherein, in case the plurality of SRs are overlapped with transmission of hybrid automatic repeat request (HARQ) information or Channel State Information (CSI);

uplink control information (UCI) bits are received, in which i) first bits related to the plurality of SRs and ii) HARQ information bits or CSI bits are multiplexed,

wherein the first bits related to the plurality of SRs represent one of the plurality of SRs as a positive SR or all of the plurality of SRs as negative SRs,

wherein, in case one of the first bits is a value other than zero: based on the one of the plurality of SRs being the positive SR related to a beam failure recovery (BFR), the value of the first bits related to the plurality of SRs indicates the positive SR related to the BFR.

14. The base station of claim 13 ,

wherein, in case all values of all of the first bits are zero, the first bits represent a negative SR for all of the plurality of SRs.

15. The base station of claim 13 ,

wherein, in case the one of the first bits is a value other than zero, the value of the first bits related to the plurality of SRs represents a positive SR for the one of the plurality of SRs.

16. The base station of claim 13 ,

wherein the BFR is related to a beam failure of at least one secondary cell (SCell).

17. The base station of claim 16 , wherein the operations further comprise receiving a message related to the BFR,

wherein the message is based on a medium access control-control element (MAC-CE).

18. The base station of claim 17 ,

wherein the MAC-CE includes a field for at least one of i) an identifier (ID) of the at least one SCell or ii) information related to a new beam.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Aug 31, 2023
From: KANG, JIWON; LEE, EUNJONG; LEE, HYUNHO
To: LG ELECTRONICS INC.
Reel/Frame 064762/0120 →
Continuity (5)
Continuation 17563504 · Dec 28, 2021
Continuation PCTKR2020008424 · Jun 29, 2020
Provisional Application 62886313 · Aug 13, 2019
Provisional Application 62867969 · Jun 28, 2019
Related Publication 20230345492A1 · Oct 26, 2023
References Cited (3)
NTT Docomo, Inc., “Discussion on multi-beam enhancement,” R1-1811349, 3GPP TSG RAN WG1 Meeting #94bis, Chengdu, China, dated Oct. 8-12, 2018, 11 pages. [cited by applicant]
MediaTek Inc., “Enhancements on multi-beam operations,” R1-1906537, 3GPP TSG RAN WG1 Meeting #97bis, Reno, USA, dated May 13-17, 2018, 12 pages. [cited by applicant]
Office Action in Korean Appln. No. 10-2022-7000087, mailed on Nov. 15, 2023, 7 pages (with English translation). [cited by applicant]