Heterogeneous network scheduling method and device for rail transit and gateway equipment

A rail transit and heterogeneous network technology, applied in wireless communication, electrical components, etc., can solve problems such as lagging network switching strategies, affecting passenger online experience, and network blocking data, so as to reduce network congestion, improve online experience, and network status accurate effect

Active Publication Date: 2021-02-23
国铁吉讯科技有限公司
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, this network switching method is not suitable for high-speed trains. When the train is running at high speed, the wireless network signal strength obtained by the communication system in the previous second has changed in the next second, so the network status obtained at the current moment cannot represent the next One second of actual network status, the resulting network switching strategy lags significantly, which may cause network congestion and data packet loss, affecting passengers' online experience

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  • Heterogeneous network scheduling method and device for rail transit and gateway equipment
  • Heterogeneous network scheduling method and device for rail transit and gateway equipment
  • Heterogeneous network scheduling method and device for rail transit and gateway equipment

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Embodiment Construction

[0045] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some, not all, embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

[0046] It should be noted that, in the case of no conflict, the embodiments of the present invention and the features in the embodiments can be combined with each other.

[0047] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, but not as a limitation of the present invention.

[0048] The heterogeneous network scheduling method for rail transit provided by an embodiment of the present inv...

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Abstract

The invention discloses a heterogeneous network scheduling method for rail transit, and the method comprises the steps: calculating the network bandwidth of a rail train at a current moment through abandwidth channel QoS index relation equation formed through training and according to QoS indexes collected in real time, and continuously maintaining and calibrating a network bandwidth heat map along a rail according to the calculated network bandwidth; and then calculating the running position of the train at the next moment according to the current position and the current running speed of the train, and finally directly reading the network bandwidths which can be provided by different communication networks when the train runs to the position point at the next moment from the network bandwidth heat map so as to make a network switching and load balancing strategy in advance. According to the method, the future network state of the train is directly read from the network bandwidth heat map, compared with a traditional method for predicting the future network state of the high-speed train through the current network state, the method is more accurate, the routing strategy generatedin advance is more scientific, and the stability of train network connection is guaranteed.

Description

technical field [0001] The present invention specifically relates to a heterogeneous network scheduling method, in particular to a heterogeneous network scheduling method, device and gateway device for rail transit. Background technique [0002] At present, vehicle-mounted gateway equipment including rail transit mainly provides Internet services for passengers through satellite communication and connection to the public network provided by mobile operators. However, due to the complex network environment along the train, the switching and load balancing between different network standards and different network channels affect the quality of train-ground communication services. [0003] Patent CN201310121589.6 discloses a communication system and method applied to vehicles. The communication gateway provided by it is composed of CPE (a mobile signal access equipment) connected to the operator's public network and satellite ground equipment connected to communication satellit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H04W40/12H04W40/20H04W40/24H04W72/12
CPCH04W40/12H04W40/20H04W40/246H04W72/54H04W72/535
Inventor 项智强王忠峰申佳胤胡建仁夏喆
Owner 国铁吉讯科技有限公司
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