Invention Grant
- Patent Title: Method and apparatus for beam failure recovery
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Application No.: US16646311Application Date: 2018-09-10
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Publication No.: US11343876B2Publication Date: 2022-05-24
- Inventor: Guotong Wang , Yushu Zhang , Alexei Davydov
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Eschweiler & Potashnik, LLC
- Priority: CNPCT/CN2017/101238 20170911,CNPCT/CN2017/102072 20170918,CNPCT/CN2017/104762 20170930
- International Application: PCT/CN2018/104815 WO 20180910
- International Announcement: WO2019/047948 WO 20190314
- Main IPC: H04W88/06
- IPC: H04W88/06 ; H04W76/30 ; H04W76/27 ; H04B7/06 ; H04B7/08 ; H04L5/00 ; H04W56/00 ; H04W74/08

Abstract:
Provided herein are method and apparatus for beam recovery. An embodiment provides an apparatus for a user equipment (UE) including a radio frequency (RF) interface; and processing circuitry configured to: determine, in response to a beam failure, a channel for transmission of a beam failure recovery request as one of: a Physical Uplink Control Channel (PUCCH), a non-contention based Physical Random Access Channel (PRACH), and a contention based Physical Random Access Channel (PRACH); and encode the beam failure recovery request for transmission to an access node via the determined channel using the RF interface. At least some embodiments allow for transmission of a beam failure recovery request for beam recovery, allow for beam failure detection or new Tx beam identification, and allow for determining whether to configure a scheduling delay between a PDCCH and a PDSCH.
Public/Granted literature
- US20200275524A1 METHOD AND APPARATUS FOR BEAM FAILURE RECOVERY Public/Granted day:2020-08-27
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