Distributed beam-forming based millimeter wave covering method for high-speed rail

Abstract

The invention belongs to the technical field of millimeter wave wireless communication, and relates to a distributed beam-forming based millimeter wave covering method for high-speed rail. A millimeter wave beam covering scheme for high-speed rail is presented. Through the introduction of the distributed beam-forming technology, the switching frequency of communication between trains and the ground is reduced reasonably. Through wave beam redundant coverage, the problem on how to realize seamless switching is solved. Through distributed antenna layout in trains, signal coverage in trains is realized, and the purpose of communication in a special high-speed rail communication scene is achieved.

Description

[0001] technical field [0002] The invention belongs to the technical field of millimeter wave wireless communication, and relates to a millimeter wave coverage method based on distributed beamforming for high-speed rail. Background technique [0003] The safe, reliable and effective operation of high-speed railway is inseparable from the support of mobile communication technology. The existing mobile communication technology faces great challenges in high-speed mobile scenarios. With the continuous increase of train speed, the rapid switching of trains and the rapid Alignment, and at the same time, the increasingly diverse mobile Internet applications have also created the demand for broadband wireless access for passengers on board. However, the existing narrowband GSM-R system for train control has been unable to meet these demands. . Contents of the invention [0004] What the present invention aims to solve is to address the above problems, drawing on the vigorous de...

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Problems solved by technology

However, the existing narrowband GSM-R system for train control has been unable to meet these needs

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