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Method and device of acquiring timing of neighboring cell and user equipment

A technology for user equipment and neighboring cells, applied in synchronization devices, advanced technologies, electrical components, etc., can solve problems such as large delay and large power consumption, and achieve the goal of reducing delay, reducing power consumption, and efficiently synchronizing to Effect

Active Publication Date: 2019-03-15
SPREADTRUM COMM (SHANGHAI) CO LTD
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  • Abstract
  • Description
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Problems solved by technology

If the UE applies the above process to the synchronization and timing of neighboring cells, it may cause a large delay or a large power consumption

Method used

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  • Method and device of acquiring timing of neighboring cell and user equipment
  • Method and device of acquiring timing of neighboring cell and user equipment
  • Method and device of acquiring timing of neighboring cell and user equipment

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Embodiment Construction

[0055] In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments It is only some embodiments of the present invention, but not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] In each embodiment of the present invention, the serving cell may be the serving cell of the user equipment in the connected state or the source cell (source cell) when the user equipment switches, or may be the cell where the user equipment resides in the idle state. The adjacent cell may be a target cell to which the user equipment n...

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Abstract

The invention provides a method and a device of acquiring timing of a neighboring cell and user equipment. The method includes: receiving quantity which is of timing offset between a serving cell andthe neighboring cell and is sent by a base station of the serving cell; detecting a primary synchronization signal or a secondary synchronization signal of the neighboring cell, and synchronizing at least one beam of the neighboring cell therewith; and determining a synchronization signal block index of the beam according to timing of the serving cell and the quantity of the timing offset betweenthe serving cell and the neighboring cell. The method can synchronize the neighboring cell more efficiently, acquire the timing of the neighboring cell, reduce time delay, and decrease power consumption quantity.

Description

technical field [0001] The present invention relates to the technical field of wireless communication, in particular to a method, device and user equipment for acquiring timing of adjacent cells. Background technique [0002] In the 5G new air interface (New Radio, NR) system, the synchronization signal (Synchronization Signal, SS) and the physical broadcast channel (Physical Broadcast Channel, PBCH) are sent in the form of a synchronization signal block (SS-block), and the introduction of Beam sweeping (beam sweeping) function. A primary synchronization signal (Primary Synchronization Signal, PSS), a secondary synchronization signal (Secondary Synchronization Signal, SSS) and a physical broadcast channel are in an SS-block (synchronization signal block). Each synchronization signal block can be regarded as a resource of a beam (analog domain) in the beam scanning process. Multiple synchronization signal blocks form an SS-burst (synchronization signal burst), and the synch...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/02H04W56/00
CPCH04W24/02H04W56/00Y02D30/70
Inventor 周化雨贾亚男汪绍飞田文强
Owner SPREADTRUM COMM (SHANGHAI) CO LTD
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