Detection Method of User Terminal and Its Neighboring Cells

A technology of user terminal and detection method, which is applied in the field of communication, can solve problems such as long detection time and disclosure of detection efficiency, and achieve the effects of reducing interference, shortening detection time, and improving detection efficiency

Active Publication Date: 2018-06-05
BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] However, the detection time required by the above-mentioned adjacent cell detection method is relatively long, resulting in a low detection efficiency.

Method used

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  • Detection Method of User Terminal and Its Neighboring Cells
  • Detection Method of User Terminal and Its Neighboring Cells
  • Detection Method of User Terminal and Its Neighboring Cells

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Embodiment Construction

[0039] At present, after receiving the data including the PSS sent by the base station, the user terminal first performs PSS detection on the data, and then performs SSS detection on the data, so that the information of the corresponding cell can be obtained according to the result of the SSS detection. Wherein, the PSS detection is performed on the data, that is, the correlation operation is performed on the data and the local PSS sequence to generate multiple peaks. SSS detection is performed on the data, that is, the corresponding data is intercepted according to the peak value obtained by PSS detection, and then the intercepted data is correlated with the local SSS sequence, so that the corresponding Cell information to complete the detection process of neighboring cells.

[0040] However, in the above-mentioned adjacent cell detection process, the data will generate more peaks after correlation calculation, and in the PSS detection stage, all peaks greater than the corres...

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Abstract

The invention relates to a user terminal and a detection method of a neighbor cell thereof. The method comprises: receiving data that are sent by a base station and include a PSS; carrying out correlation operation on the received data and a local PSS sequence; and for peak values obtained by the correlation operation, shielding peak values except peak values corresponding to peak zones of different detected synchronous group cells and detecting information of other synchronous group cells based on the peak values not shielded. Each synchronous group corresponds to a different peak zone. With the detection method, a computing load of a neighbor cell detection process and a false detection rate of the neighbor cell detection process can be reduced.

Description

[0001] This application claims the priority of the Chinese patent application filed with China Patent Office on November 30, 2015, with application number 201510859777.8, and the title of the invention is "Method for detecting user terminal and its adjacent cells", the entire content of which is incorporated by reference in this application middle. technical field [0002] The invention relates to the field of communication technology, in particular to a method for detecting a user terminal and its adjacent cells. Background technique [0003] In the mobile communication system, after the user terminal is turned on, it goes through the initial cell search process, resides in a suitable serving cell, and gradually establishes a wireless communication process. At the same time, the user terminal also needs to detect the cells adjacent to the serving cell (referred to as "neighboring cells"), and continuously track and measure the communication quality of the detected neighbori...

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W24/02H04J11/00
CPCH04J11/0093H04W24/02H04W48/16
Inventor 洪波
Owner BEIJING SPREADTRUM HI TECH COMM TECH CO LTD
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