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Measurement method of cell and UE

A measurement method and cell technology, applied in the LTE field, can solve problems such as high power consumption

Active Publication Date: 2013-12-25
ZTE CORP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The embodiment of the present invention provides a method for measuring a cell and a UE, so as to solve the current problem that the UE needs to consume a large amount of power when measuring a cell

Method used

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  • Measurement method of cell and UE
  • Measurement method of cell and UE
  • Measurement method of cell and UE

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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0061] This embodiment is applicable to the measurement optimization method of the serving cell. The protocol does not specify the measurement interval of the serving cell. This embodiment provides a strategy, which includes:

[0062] Step 101, UE reads system information broadcast;

[0063] Step 102, the UE obtains the Preamble Format according to the PRACH_Configuration Index table lookup in SIB2;

[0064] Step 103, the UE obtains the cell radius range according to the Preamble Format lookup table;

[0065] Step 104, the UE judges its own speed status according to the number of reselections per unit time;

[0066] Step 105. If the radius of the cell is large and the UE is at a low speed, the UE periodically turns on the co-frequency measurement receiver according to Table 4 to perform co-frequency measurement, and turns off the receiver for the rest of the time (turning off the timing avoids the paging timing), so as to save power ;

[0067] Step 106, return to step 102 i...

Embodiment 2

[0073] This embodiment is applicable to the same-frequency adjacent cell measurement optimization method. The protocol stipulates that when the serving cell reference signal does not satisfy the serving cell reference signal strength greater than the preset threshold (Srxlev>SnonIntraSearchP) and the serving cell reference signal quality is greater than the preset threshold (Squal>SnonIntraSearchQ ), the UE starts co-frequency measurement, which includes:

[0074] Step 201, UE reads system information broadcast;

[0075] Step 202, the UE obtains the Preamble Format according to the PRACH_Configuration Index table lookup in SIB2;

[0076] Step 203, the UE obtains the cell radius range according to the Preamble Format table lookup;

[0077] Step 204, the UE judges its own speed status according to the number of reselections per unit time;

[0078] Step 205, if the radius of the cell is very large, and the UE is at a low speed, and meets the conditions for co-frequency measurem...

Embodiment 3

[0085] This embodiment is applicable to the measurement optimization method of inter-frequency and inter-system neighboring cells. The protocol stipulates that when the reference signal of the serving cell does not satisfy Srxlev>S IntraSearchP and Squal>S IntraSearchQ When , the UE starts to perform inter-frequency and inter-system measurement. The process includes:

[0086] Step 301, UE reads system information broadcast;

[0087] Step 302, the UE obtains the Preamble Format according to the PRACH_Configuration Index table lookup in SIB2;

[0088] Step 303, the UE obtains the cell radius range according to the Preamble Format table lookup;

[0089] Step 304, the UE judges its own speed status according to the number of reselections per unit time;

[0090] Step 305. If the radius of the cell is large, and the UE is at a low speed, and the conditions for inter-frequency measurement are met, the UE traverses the inter-frequency and inter-system adjacent cell frequency points...

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Abstract

The invention provides a measurement method of a cell and UE. The measurement method comprises the following steps that user equipment (UE) receives system information broadcast issued by a base station and acquires a radius of a cell where the UE is located and paging time of the UE according to the system information broadcast; the UE estimates a speed of the UE itself in an idle state; the UE opens a receiver to carry out cell measurement according to the radius, the speed and the paging time and prolongs turn-off time of the receiver. In the above method, the UE estimates the radius of the cell in the idle state according to a cell PRACH type; according to the cell radius and the speed of the UE itself, measurement is optimized; under the condition that UE mobility and paging are ensured, power losses caused by the measurement are reduced and terminal standby time is prolonged.

Description

technical field [0001] The present invention relates to LTE (Long Term Evolution, Long Term Evolution) technology, and in particular to a cell measurement method and UE. Background technique [0002] With the development of communication technology, various terminal devices emerge as the times require, and it is very important to improve the performance and quality of various terminal devices. [0003] Terminal standby time is the core issue that operators and manufacturers care about. The standby time of the user equipment (UE) is related to many factors, among which UE needs to consume a lot of energy to measure the serving cell, same frequency, different frequency, and different system neighbor cells to ensure mobility, which will reduce the standby time of the terminal. Contents of the invention [0004] Embodiments of the present invention provide a method for measuring a cell and a UE, so as to solve the current problem that the UE consumes a large amount of power w...

Claims

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Application Information

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IPC IPC(8): H04W24/02H04W52/02
CPCY02D30/70
Inventor 王鑫岗牛晶高儒俊
Owner ZTE CORP
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