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High-speed railway broadband access system based on perceptual control

A broadband and access point technology, which is applied in the field of high-speed rail broadband access systems to achieve the effects of improving the success rate of handover, improving operational safety, and reducing energy consumption

Inactive Publication Date: 2012-08-15
PEKING UNIV
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Problems solved by technology

However, providing reliable and stable broadband access services for high-speed mobile tools exceeding 350km / h has always been a major challenge for the global communications industry

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  • High-speed railway broadband access system based on perceptual control
  • High-speed railway broadband access system based on perceptual control

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Embodiment Construction

[0023] The content of the present invention will be further described in detail below in conjunction with the accompanying drawings and examples, but the scope of the present invention is not limited in any way.

[0024] Technical scheme of the present invention is as follows: figure 1 The structure of the high-speed railway broadband access communication system proposed by us is mainly composed of the following parts:

[0025] Wireless access link: Inside the carriage, users can establish a connection with the broadband access point in the carriage through various access modes (wired access or Wi-Fi, cellular and other wireless access modes), and the broadband access point in the carriage The antenna on the top of the train car is connected to the external base station; the antenna on the top of the car and the base station antenna near the rail use OFDM access method (WiMAX, LTE, etc.) for wireless communication.

[0026] Among them, OFDM (Orthogonal Frequency Division Mult...

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Abstract

The invention relates to a high-speed railway wireless broadband access scheme based on perceptual control and belongs to the field of communication. According to the scheme, the access of a moving train to a mobile wireless network is controlled by adopting a sensor-based manner, so that a stable wireless broadband access service is provided for the train; subscribers inside compartments can establish connection with broadband access points in the compartments through a plurality of access modes, and the broadband access points in the compartments establish connection with external base stations through train antennae; the antennae of the base stations are of linear coverage along railway rails through an optical fiber zooming technology so as to provide the wireless broadband access service for the train; a sensor network perceives information, such as position and speed, of the train and transfers the information to a control center; and the control center achieves the switching among the base stations by virtue of a fast optical switching unit according to the perceived information and executes the functions, such as block section control and energy consumption control.

Description

technical field [0001] The invention relates to the field of communication and sensors, in particular to a high-speed rail broadband access system based on perception control. Background technique [0002] High-speed railway has been developing rapidly in China. By the end of 2011, the total mileage of China's high-speed rail has reached 13,073km, and it is expected to reach 25,000km by the end of 2015. From 2007 to 2010, the daily passenger volume of China's high-speed rail reached 237,000, 349,000, 492,000, and 796,000 respectively. According to statistics, in 2011, the daily passenger volume of China's high-speed rail has exceeded one million. With the rapid development of China's economy, more and more high-speed rail passengers hope to enjoy broadband access services on high-speed rail trains. However, providing reliable and stable broadband access services for high-speed mobile tools exceeding 350km / h has always been a major challenge for the global communications i...

Claims

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Application Information

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IPC IPC(8): H04W36/08H04W52/02
CPCY02D30/70
Inventor 胡国庆黄安鹏邬贺铨陈章渊徐安士谢麟振
Owner PEKING UNIV
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