Cell selection method and device

A cell selection and cell technology, applied in the field of communication, can solve problems such as neglecting the network environment, achieve the effects of reducing the number of comparisons, improving utilization, and improving efficiency

Inactive Publication Date: 2018-05-25
中国移动通信集团广西有限公司 +1
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

However, according to the above cell selection method, the network environment will be ignored

Method used

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  • Cell selection method and device

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Embodiment Construction

[0054] Embodiments of the present invention provide a method and device for cell selection, which are used to increase the time that user equipment resides in the current cell and improve the utilization rate of the cell.

[0055]The following will clearly and completely describe the technical solutions in the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0056] see figure 1 , an embodiment of the present invention provides a method for cell selection, including:

[0057] S101. When the received power RSRP of the reference signal of the camped on cell does not reach the preset first judgment thres...

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Abstract

The invention provides a cell selection method and device. For the condition that the strength of a wireless network signal is weak, that is to say, the receiving power of a reference signal of a resident cell does not meet a first judgment threshold, the interference size of the resident cell is determined by judging whether or not the signal to noise ratio of the resident cell reaches a preset triggering judgment threshold, and if the interference size meets the condition, it is regarded that user equipment still can achieve a high transmission speed in the resident cell and can ensure conventional data transmission. The method and device are used for prolonging the time when the user equipment is located in the current resident cell and increasing the utilization rate of the resident cell. The method comprises the steps that when the receiving power of the reference signal does not reach the preset first judgment threshold, whether or not the signal to noise ratio of the resident cell reaches the preset triggering judgment threshold is determined; if yes, the user equipment continues to be resident in the resident cell; and otherwise, the user equipment is switched to other cells.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a method and device for cell selection. Background technique [0002] In TDD-LTE (Time Division Long Term Evolution, Time Division Long Term Evolution) network, key parameters used to represent the strength and quality of wireless signals, including: RSRP (Reference Signal Receiving Power, reference signal received power) and SINR (Signal to Interference plus Noise Ratio, signal to interference plus noise ratio). Among them, RSRP refers to the linear average value of the received power on the resource element carrying the reference signal on the measurement frequency bandwidth, which is used to characterize the strength of the wireless network signal; SINR refers to the strength of the useful signal received by the user equipment and the received interference The ratio of the strength of the signal is used to characterize the quality of the wireless network signal...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W36/00H04W36/30
CPCH04W36/0083H04W36/30
Inventor 李丽智岳磊袁兵杜日览
Owner 中国移动通信集团广西有限公司
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