Invention Grant
- Patent Title: Preamble transmission counter for a beam failure recover of a wireless device
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Application No.: US16811952Application Date: 2020-03-06
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Publication No.: US10897322B2Publication Date: 2021-01-19
- Inventor: Hua Zhou , Esmael Dinan , Alireza Babaei , Hyoungsuk Jeon , Ali Cagatay Cirik , Kyungmin Park
- Applicant: Samsung Electronics Co., Ltd.
- Applicant Address: KR Suwon-si
- Assignee: Samsung Electronics Co., Ltd.
- Current Assignee: Samsung Electronics Co., Ltd.
- Current Assignee Address: KR Suwon-si
- Agency: Jefferson IP Law, LLP
- Main IPC: H04W72/04
- IPC: H04W72/04 ; H04L1/00 ; H04B7/06 ; H04B17/327 ; H04L27/26 ; H04L1/18 ; H04B7/08 ; H04B17/309 ; H04W76/11 ; H04W24/10 ; H04W52/14 ; H04W52/22 ; H04L29/06 ; H04B1/3827 ; H04L5/00 ; H04W76/19 ; H04W52/04 ; H04W74/08 ; H04W80/02

Abstract:
A wireless device starts a beam failure recovery (BFR) timer in response to initiating a contention-free random access procedure for a BFR. Based on expiry of the BFR timer, a first preamble employing a contention-based random access for the BFR is transmitted. In response to not receiving a response for the first preamble, a preamble transmission counter is incremented from a value of the preamble transmission counter of the contention-free random access procedure before the expiry of the BFR timer. A second preamble is transmitted in response to a value of the preamble transmission counter being equal to or less than a number.
Public/Granted literature
- US10951355B2 Preamble transmission counter for a beam failure recover of a wireless device Public/Granted day:2021-03-16
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