Cell measurement method and device

A cell measurement and neighbor cell measurement technology, applied in the field of communication, can solve the problems of unfavorable power consumption and power saving, increase the number of invalid measurements and CPU resource overhead, etc., to reduce measurement consumption, improve work efficiency, reduce power consumption and CPU consumption Effect

Active Publication Date: 2013-02-06
DATANG MOBILE COMM EQUIP CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The present invention provides a cell measurement method and device to solve the problem that the existing UE uses a fixed measurement period to perform cell measurement, increasing the number of invalid measurements and CPU resource overhead, which is not conducive to reducing power consumption and saving electricity

Method used

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  • Cell measurement method and device

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Experimental program
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Embodiment 1

[0031] refer to image 3 , shows a flow chart of steps of a method for measuring a cell according to Embodiment 1 of the present invention.

[0032] The cell measurement method of the present embodiment includes the following steps:

[0033] Step S302: When the UE receives the cell measurement result of the current measurement period, it acquires the signal strength information of the current serving cell according to the measurement result.

[0034] Every time the UE receives the cell measurement result, it will obtain the signal strength information of the current serving cell from it, and then judge whether the subsequent current measurement cycle needs to be adjusted.

[0035] Step S304: The UE judges whether to adjust the current measurement period according to the signal strength information and the set measurement period adjustment rule, and if yes, executes step S306; if not, executes step S308.

[0036] The measurement period adjustment rule is used to adjust the cu...

Embodiment 2

[0041] refer to Figure 4 , shows a flow chart of steps of a cell measurement method according to Embodiment 2 of the present invention.

[0042] The cell measurement method of the present embodiment includes the following steps:

[0043] Step S402: Configuring multiple different measurement periods for performing cell measurement for the UE.

[0044] A plurality of different measurement periods may be appropriately configured by those skilled in the art according to actual conditions, so as to meet actual needs, avoid invalid measurement, reduce resource overhead, and reduce UE energy consumption.

[0045] More preferably, the period value of one of the multiple measurement periods can be configured to be the same as the period value of the original fixed measurement period of the UE, so as to reduce the impact on the existing measurement process and the risk caused by the change of the process. In the existing cell measurement, the UE will set a fixed measurement period ac...

Embodiment 3

[0086] refer to Figure 5 , shows a flow chart of UE performing idle state measurement according to Embodiment 3 of the present invention.

[0087] The process of UE performing idle state measurement in this embodiment includes the following steps:

[0088] Step S502: After the UE is initially powered on or leaves the connected state, it first conducts cell search and performs cell selection.

[0089] Step S504: The UE reads the system information (SIB3-SIB7 includes reselection and neighbor cell parameters) in the selected serving cell and completes camping. The RRC layer of the UE configures the PHY layer according to the neighbor cell information carried in the system information.

[0090] Step S506: The RRC layer of the UE starts the idle state measurement, uses the measurement cycle level 1 by default, and notifies the PHY layer to perform the measurement.

[0091] Step S508: The PHY layer of the UE uses the measurement cycle level 1 to perform idle state measurement. ...

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Abstract

The invention provides a cell measurement method and device. The cell measurement method comprises the following steps: when receiving a cell measurement result in a current measurement cycle, user equipment (UE) acquires signal strength information of a current serving cell according to the measurement result; the UE determines whether regulation of the current measurement cycle is carried out or not according to the signal strength information and a set regulation rule for measurement cycles; and if yes, regulation of the current measurement cycle is carried out and using the regulated current measurement cycle to measure the cell. According to the invention, power consumption and CPU (Central Processing Unit) consumption brought by measurement can be effectively reduced, the number of message interaction generated by the measurement is reduced, and the measurement consumption is reduced on the premise of not influencing the measurement performance.

Description

technical field [0001] The present invention relates to the field of communication technology, in particular to a cell measurement method and device. Background technique [0002] In the LTE (Long Term Evolution, long-term evolution) system, the UE (User Equipment, user equipment) will perform measurements to monitor the signal strength of the serving cell and neighboring cells in both the idle state and the connected state, for cell reselection and various The measurement report of the purpose provides measurement data samples. [0003] The measurement parameters for the UE to measure are configured by RRC (Radio Resource Control, radio resource control protocol), and the measurement process is performed by a PHY layer (Physical Layer, physical layer). The measurement of the PHY layer is controlled by the RRC layer, including the measured frequency point, cell, and measurement amount (RSRP (Reference Signal Receiving Power, reference information receiving power), RSRQ (Ref...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/00H04W52/02
CPCY02B60/50Y02D30/70
Inventor 王一李晓燕
Owner DATANG MOBILE COMM EQUIP CO LTD
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