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Methods and apparatuses for beam failure recovery

A fault recovery and beam technology, applied in radio transmission systems, electrical components, connection management, etc., can solve problems such as insufficient use of multiple service cells

Pending Publication Date: 2021-09-24
FG INNOVATION CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] However, in a next-generation (for example, fifth-generation (fifth-generation, 5G) New Radio (New Radio, NR)) wireless communication system, the UE may be configured with multiple serving cells (for example, a primary cell (Primary Cell, PCell) and one or more secondary cells (Secondary Cell, SCell)) to facilitate data throughput, system capability, transmission reliability, the current BFR mechanism may not be sufficient for UEs operating on multiple serving cells

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  • Methods and apparatuses for beam failure recovery
  • Methods and apparatuses for beam failure recovery
  • Methods and apparatuses for beam failure recovery

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Embodiment Construction

[0019] The following description includes specific information related to the exemplary embodiments in this case. The drawings in this case and which will be hereby described in detail only for exemplary embodiments. However, this case is not limited to these exemplary embodiments. Those skilled in the art will think of other changes and embodiments of this case. Unless otherwise stated, the same or corresponding elements may be denoted by the same or corresponding reference numerals. In addition, the drawings and illustrated in this case are generally not drawn, and it is unintentionally corresponding to the actual correlation size.

[0020] For consistency and easy-to-understand purposes, the same features are labeled in the exemplary drawings (not shown in some examples). However, features in different embodiments may differ in other respects, and thus should not be limited to the features shown in the drawings.

[0021] The specification uses the phrase "in one embodiment" or ...

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Abstract

A method performed by a User Equipment (UE) is provided. The method includes performing at least one Beam Failure Recovery (BFR) procedure. The at least one BFR procedure includes transmitting a Medium Access Control (MAC) Control Element (CE) for BFR to a base station, where the MAC CE for BFR includes a cell information field indicating information of a serving cell in which the BFR procedure is triggered, and a presence indicator field indicating whether an identifier of a preferred Reference Signal (RS) for BFR is included in the MAC CE for BFR. The preferred RS is associated with the serving cell.

Description

[0001] Cross-reference [0002] The present application claims the equivalents and priorities of the temporary U.S. Patent Application Serial No. 62 / 806, 087, submitted to "BFRQ and BFRR Procedure In Mac" on February 15, 2019, the agent volume volume is US76553 (hereinafter referred to as " US76553 Application "). The present application also requested the equity and priority of the temporary U.S. Patent Application Serial No. 62 / 825, 321, submitted on March 28, 2019, the agenda of the agents, and the agent volume volume is US76867 (hereinafter referred to as "US76867 Application"). The disclosure of US 76553 and US76867 applications is completely incorporated herein by reference. Technical field [0003] This case generally relates to wireless communication, more particularly, to methods and apparatus for beam failure recovery (BFR). Background technique [0004] In a wireless communication system such as a long-term evolution (LTE) system, the user equipment (UE Equipment, UE) c...

Claims

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Application Information

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IPC IPC(8): H04W76/19H04B7/0408H04W74/08
CPCH04B7/0695H04W76/19H04W72/21H04W72/046H04B7/0408H04W72/23
Inventor 魏嘉宏游家豪周建铭
Owner FG INNOVATION CO LTD
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