LTE terminal measurement cell selection method

Abstract

The invention discloses an LTE terminal measurement cell selection method. The method comprises the following steps: after a measurement task is completed for the first time, recording, by a terminal,the current measurement cells as measured cells, and selecting N cells with the best signal quality from the measured cells to serve as tracking cells; tracking the timing deviations of the trackingcells to serve as the historical timing deviations of the tracking cells; in a non-first-time measurement task, estimating, by the terminal, the current timing deviations of the tracking cells; if thedifference values between the current timing deviations of the tracking cells and the historical timing deviations of the tracking cells are all less than a preset threshold value, selecting, by theterminal, a to-be-measured cell newly added by the present measurement task as the measurement cell for measurement; otherwise, selecting, by the terminal, all to-be-measured cells of the present measurement task as the measurement cells for measurement. By adoption of the technical scheme disclosed by the invention, the measurement power consumption of the terminal and the received data size areeffectively reduced while ensuring the accuracy of the measurement data reported by the terminal.

Description

technical field [0001] The invention relates to the field of communication technologies, in particular to a method for selecting cells for LTE terminal measurement in the field of cellular wireless communication systems. Background technique [0002] In a cellular wireless communication system, due to the concept of a cell, in order to manage wireless resources, the terminal needs to complete actions such as cell selection, cell reselection, and handover. The basis for completing cell selection, cell reselection, and handover is to complete the measurement of several cells delivered by the base station. After the terminal completes the measurement of several cells, it implements cell selection, cell reselection, and handover based on the measurement results. In the Long Term Evolution (abbreviated, LTE) communication system, the measurement object of the terminal is Reference Signal Received Power (abbreviated, RSRP). [0003] In the measurement task of the terminal, it is ...

AI Technical Summary

Problems solved by technology

[0005] The problem with the existing technology is that when the reception signal of each cell of the terminal changes, it still only measures a few cells that are determined by the original historical information, and the cell that becomes stronger again will be ignored, which is not conducive to cell reselection Accurate initiation and execution of events such as

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