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Time advance prediction method and device, and communication system

A technology of time advance and prediction method, applied in the field of communication, can solve problems such as inaccurate and incomplete network optimization analysis results, affecting MR network positioning accuracy, etc., and achieve the goal of improving positioning capabilities, network optimization analysis value, and improving accuracy Effect

Pending Publication Date: 2022-02-25
CHINA TELECOM CORP LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0003] According to the MR data statistics of a certain province, 28% of MR records have missing TAs, which seriously affects the network positioning accuracy of MR, and may also lead to inaccurate and incomplete network optimization analysis results

Method used

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  • Time advance prediction method and device, and communication system
  • Time advance prediction method and device, and communication system
  • Time advance prediction method and device, and communication system

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Embodiment Construction

[0028] Next, the technical solutions in the present disclosure will be described in conjunction with the present disclosure, and clearly, the described embodiments are merely the embodiments of the present disclosure, not all of the embodiments. Based on the embodiments in the present disclosure, all other embodiments obtained by those of ordinary skill in the art without creative labor are used.

[0029] Unless otherwise specified, the relative arrangement, digital expression, and numerical values ​​of the components and steps set forth in these embodiments are not limited to the scope of the disclosure.

[0030] At the same time, it should be understood that in order to facilitate the description, the dimensions of the respective portions shown in the drawings are not drawn in accordance with the actual ratio relationship.

[0031] For technical, methods, and equipment known to those of ordinary skill in the art may not be discussed in detail, in appropriate, the techniques, met...

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Abstract

The invention provides a time advance prediction method and device and a communication system, and relates to the technical field of communication, and the method comprises the steps: obtaining a plurality of pieces of measurement report (MR) data sent by at least one terminal in a terminal set to a base station; grouping the multiple pieces of MR data according to the user session ID to obtain multiple groups of MR data; sorting the multiple pieces of MR data in each group of MR data according to the sending time of each piece of MR data; after sorting, for one piece of MR data missing the timing advance in one group of MR data, determining whether another piece of MR data and another piece of MR data exist before and after the piece of MR data respectively, wherein the other piece of MR data and the another piece of MR data do not missing the timing advance; and if the other piece of MR data and the other piece of MR data exist, predicting the missing time advance of one piece of MR data by adopting a linear interpolation method.

Description

Technical field [0001] The present disclosure relates to the field of communication technologies, in particular a time-forward quantity prediction method, apparatus, and communication system. Background technique [0002] In the LTE (Long Term Evolution, the long-term evolution) system, the different terminals adjust the time of the transmitted signal in the TA, TIMING ADVANCE, so that the uplink transmission signal arrives at the base station within the error range of the length of a cyclic prefix, implements Retain orthogonality between the upstream transmission of multiple terminals to ensure uplink synchronization. TA is carried in the user measurement report MR, which can be used for distance estimation between terminals and antennas, and the distance from 1 TA is about 78.12 meters. TA is often used as a fingerprint parameters of network positioning, and is also used in network optimization analysis. [0003] From the MR data statistics from a certain province, 28% of the M...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W24/10H04W64/00
CPCH04W24/10H04W64/00
Inventor 许盛宏宫云平李力卡曹磊王敏王兵武巍冯云喜马泽雄王谦黄云飞余育青罗伟华范家杰姚彦强许群路郑博张慧嫦原思平郑三强
Owner CHINA TELECOM CORP LTD
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