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Data sending method and apparatus

A data transmission method and trackside technology, applied in the field of communication, can solve the problems of reduced throughput and interference of wireless network of trackside AP and vehicle AP, and achieve the effects of increasing throughput, increasing throughput and reducing consumption.

Inactive Publication Date: 2018-10-12
NEW H3C TECH CO LTD
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] However, multiple trackside APs use the same channel as the working channel, and the same channel interference is serious, which reduces the throughput of the wireless network where the trackside APs and vehicle APs are located.

Method used

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  • Data sending method and apparatus

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Embodiment Construction

[0025] The following will clearly and completely describe the technical solutions in the embodiments of the application with reference to the drawings in the embodiments of the application. Apparently, the described embodiments are only some of the embodiments of the application, not all of them. Based on the embodiments in this application, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of this application.

[0026] For each AP, multiple channels can be supported. The AP selects a channel from these multiple channels as a working channel. Wherein, the working channel is a channel used by the AP for data transmission, and the working channel may be preset.

[0027] For example, the channels supported by the AP can include channels numbered 36, 40, 44, 48, 52, 56, 60, 64, 100, 104, 149, 153, 157, 161, and 165, and the AP can select channel 36 as the working channel. .

[0028] Among the...

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Abstract

The embodiment of the invention provides a data sending method and apparatus, applied to a vehicle-mounted AP. The data sending method comprises the following steps: starting full channel scanning after it is determined that a vehicle where the vehicle-mounted AP is located is in a garage, and determining a scanned trackside AP with the best signal quality on all channels supported by the vehicle-mounted AP as a target trackside AP; switching the current working channel to the working channel of the target trackside AP, and establishing a Mesh connection with the target trackside AP; and sending data to the target trackside AP through the Mesh connection. By adoption of the technical solution provided by the embodiment of the invention, the working channels of two adjacent trackside APs are different, thereby reducing the Same frequency interference and improving the throughput of a wireless network. In addition, for the vehicle-mounted AP, one vehicle-mounted AP is connected to one trackside AP, and different vehicle-mounted APs are connected to different trackside APs, and different working channels are used for transmitting data to the trackside APs, thereby reducing the consumption of air interface resources, and further improving the throughput of the wireless network.

Description

technical field [0001] The present application relates to the technical field of communications, and in particular to a data sending method and device. Background technique [0002] In order to facilitate the user to understand the situation of the train during operation and ensure the safety of the train, during the operation of the train, the monitoring camera on the train continuously shoots the scene inside the train. When the train returns to the garage, the monitoring camera on the train sends image data to the on-board AP (Access Point, access point) on the train. Through the Mesh (grid) connection established between the on-board AP and the preset trackside AP in the garage, the on-board AP sends the image data to the trackside AP. The trackside AP sends the image data to the ground server. In this way, the user can understand the situation of the train during operation through the image data received by the ground server, and timely discover and eliminate potentia...

Claims

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Application Information

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IPC IPC(8): H04W48/20H04W48/16H04W36/00
CPCH04W36/0011H04W36/0083H04W48/16H04W48/20
Inventor 刘小龙
Owner NEW H3C TECH CO LTD
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