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Cell search method, device and system

A cell search and cell technology, applied in the direction of orthogonal multiplexing system, electrical components, multiplex communication, etc., can solve the problems of serious signal attenuation and inability to guarantee cell coverage, etc., and achieve the effect of guaranteed coverage

Active Publication Date: 2020-09-11
YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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AI Technical Summary

Problems solved by technology

In the higher frequency band, due to the high-frequency propagation characteristics, the attenuation of the signal will be serious, so the coverage of the cell cannot be guaranteed

Method used

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  • Cell search method, device and system
  • Cell search method, device and system
  • Cell search method, device and system

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Embodiment Construction

[0067] In order to make the object, technical solution and advantages of the present invention clearer, the present invention will be described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0068] refer to figure 1 Shown is a system architecture diagram for implementing a preferred embodiment of the cell search method of the present invention.

[0069] In a preferred embodiment of the present invention, the cell search method is implemented in a cell search system 1 . The cell search system 1 includes at least one base station device 2 and at least one terminal device 3 . The base station device 2 and the terminal device 3 can communicate through a mobile communication network.

[0070] The mobile communication network includes, for example, a Global System for Mobile communications (Global System for Mobilecommunications, GSM) network, a code division multiple access (Code Division Multiple Access, CDMA) network, a time division mul...

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Abstract

Disclosed is a cell search method applied to a base station apparatus. The cell search method is characterized by comprising: in a limited time-frequency resource position, transmitting a synchronization signal in the form of a wave beam based on a pre-set or notified design rule. Further provided in the present invention are a terminal apparatus and system for realizing the cell search method. The present invention can enable a terminal apparatus to accurately search a target serving cell in a timely manner, and is especially suitable for a serving cell working at a high-frequency point.

Description

technical field [0001] The present invention relates to the field of mobile communication, in particular to a cell search method, device and system. Background technique [0002] The traditional LTE system generally works at a lower frequency point, so the propagation characteristics of the channel are better, and the base station can send synchronization signals to terminals within the coverage of the entire serving cell. Considering that in the subsequent mobile communication system, resources in the low frequency band are more effective, it may be necessary to work in a higher frequency band. In the higher frequency band, due to the propagation characteristics of high frequency, the attenuation of the signal will be serious, so the coverage of the cell cannot be guaranteed. Contents of the invention [0003] In view of the above, it is necessary to propose a cell search method, which can enable terminal equipment to search for a target serving cell in a timely and accu...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00H04W48/16H04J11/00
CPCH04J11/0069H04J11/0086H04W36/0016H04W48/16
Inventor 朱亚军李明菊张云飞
Owner YULONG COMPUTER TELECOMM SCI (SHENZHEN) CO LTD
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