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Neighbor cell detection method and device

A technology for neighbor cell detection and detection results, which is applied in wireless communication, electrical components, etc., can solve the problems of time spent and power consumption of mobile terminals, reduce the detection time and power consumption of neighbor cells, and reduce the threshold of cell detection , the effect of improving reliability

Active Publication Date: 2019-07-12
LEADCORE TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, relying on subsequent procedures to correct this problem means that the mobile terminal unnecessarily spends time and power consumption on falsely detecting cells

Method used

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  • Neighbor cell detection method and device
  • Neighbor cell detection method and device
  • Neighbor cell detection method and device

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Experimental program
Comparison scheme
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Embodiment Construction

[0029] image 3 The flowchart of the neighboring cell detection method according to an embodiment of the present invention is shown. This neighboring cell detection method is executed on the mobile terminal side. For example, a mobile terminal may include a mobile phone, a tablet computer, a portable data terminal, and other electronic devices supporting a mobile communication network.

[0030] refer to image 3 As shown, the method includes the following steps:

[0031] Step 301 , setting frequency points that need to perform neighbor cell detection.

[0032] In step 302, PSS detection is performed on the frequency point to obtain a PSS decision result.

[0033] Specifically, in this step, n pieces of 5ms data are received, and n pieces of 5ms PSS correlation peaks are combined. A PSS judgment is performed on the merged result to obtain a PSS judgment result.

[0034] In step 303, SSS detection is performed on the PSS judgment result to obtain the SSS detection result. ...

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Abstract

The invention relates to a neighbor cell detection method and device. The method is performed at a mobile terminal side and includes the following steps: setting a frequency point to be performed a neighbor cell detection; performing a primary synchronization signal detection on the frequency point to obtain a primary synchronization signal determined result; performing a secondary synchronization signal detection on the primary synchronization signal determined result to obtain a secondary synchronization signal determined result; obtaining a cell identification number and a cell timing according to the primary synchronization signal determined result and the secondary synchronization signal determined result; performing a signal quality measurement on time domain data of a selected sub-frame according to the cell identification number and the cell timing to determine whether a corresponding cell is a virtual detection cell or not.

Description

technical field [0001] The present invention relates to a mobile communication system, in particular to a neighboring cell detection method and device. Background technique [0002] After a mobile terminal resides in a certain cell, it needs to perform neighbor cell detection and neighbor cell measurement within a certain period to provide a basis for subsequent cell handover and reselection. Neighbor cell detection is generally realized by detecting the synchronization signal. LTE (Long Term Evolution, long-term evolution) is a long-term evolution of the UMTS (Universal Mobile Telecommunications System, universal mobile communication system) technical standard formulated by 3GPP (The 3rd Generation Partnership Project, third generation partnership project). Currently, the LTE standard includes two modes of FDD-LTE and TDD-LTE, that is, a frequency division duplex LTE system and a time division duplex LTE system. In the LTE system, neighbor cell detection is realized by de...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04W36/00
Inventor 廖伟严伟戚盈洁
Owner LEADCORE TECH
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