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Terminal side, base station side device, terminal device, base station and wireless communication method

A wireless communication system and terminal-side technology, applied in wireless communication, multiplexing communication, access restriction and other directions, can solve the problems of restricting the use of unlicensed frequency band cells, which is not conducive to UE initial access cell reselection and handover, etc. , to achieve the effect of shortening the use time and reducing the number of matches

Active Publication Date: 2016-10-19
SONY CORP
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AI Technical Summary

Problems solved by technology

If the time spent on cell search and synchronization is too long, it will be unfavorable for UE's initial access, cell reselection, and handover, thereby restricting the use of unlicensed frequency band cells

Method used

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  • Terminal side, base station side device, terminal device, base station and wireless communication method
  • Terminal side, base station side device, terminal device, base station and wireless communication method
  • Terminal side, base station side device, terminal device, base station and wireless communication method

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Embodiment Construction

[0027] Exemplary embodiments of the present disclosure will be described below with reference to the accompanying drawings. In the interest of clarity and conciseness, not all features of an actual implementation are described in this specification. It should be appreciated, however, that in developing any such actual embodiment, many embodiment-specific decisions must be made in order to achieve the developer's specific goals. For example, those constraints related to the system and services are met, and these constraints may vary with different embodiments. Moreover, it should also be understood that development work, while potentially complex and time-consuming, would at least be a routine undertaking for those skilled in the art having the benefit of this disclosure.

[0028] Here, one point that needs to be explained is: in order to avoid obscuring the present disclosure due to unnecessary details, only the device structure and / or processing steps closely related to the ...

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Abstract

The invention provides a terminal, a base station side device, a terminal device, a base station and a wireless communication method. A device of a terminal side in a wireless communication system comprises a search unit and a synchronizing unit, wherein the search unit is used for searching a target cell by means of a synchronous signal sequence corresponding to a to-be-searched target frequency range, the synchronizing unit is used for conducting synchronizing on the basis of synchronous signals detected by the search unit and synchronizing the device to the target cell, the search unit searches the target cell by means of the synchronous signal sequence in a first subset of a synchronous signal sequence set when the target frequency range is the first frequency range, and the first subset is a proper subset of the synchronous signal sequence set. According to the technology, the number of matching times of synchronous signal sequences in the cell search process is decreased, and time is shortened when the user device is synchronized to the target cell.

Description

technical field [0001] The present disclosure relates generally to the field of wireless communications. In particular, it relates to a terminal-side device, a terminal device, a base station-side device, a base station, and a wireless communication method used in a wireless communication system. Background technique [0002] Users' demand for high-speed data transmission is increasing day by day, and LTE (Long Term Evolution) has become one of the most competitive wireless transmission technologies. To access the LTE network, user equipment (UE) must go through processes such as cell search, obtaining cell system information, and random access. The main purpose of cell search is: (1) to obtain frequency and symbol synchronization with the cell; (2) to obtain the system frame timing, that is, the starting position of the downlink frame; (3) to determine the physical layer cell identity (PCI) of the cell. The UE not only needs to perform cell search when it is turned on. I...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W48/16H04W56/00
CPCH04W48/16H04J11/0069H04J11/0073
Inventor 魏宇欣
Owner SONY CORP
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