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Information transmission method for AIS navigation mark link

A technology of information transmission and aids to navigation, applied in the field of information transmission of AIS aids to aids links, can solve the problems of heavy link load, interruption of the entire link, large redundant data capacity, etc., to reduce the interruption of relay links and avoid redundancy The effect of redundant information and avoiding repeated forwarding

Active Publication Date: 2014-11-26
CHENGDUSCEON TECH
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to overcome the technical defects of large redundant data capacity and heavy link load in the existing AIS navigation mark link, once a certain device in the link fails, the entire link will be interrupted, the present invention discloses an AIS navigation mark link information transfer method

Method used

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  • Information transmission method for AIS navigation mark link
  • Information transmission method for AIS navigation mark link

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Embodiment Construction

[0025] The specific embodiment of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0026] First, plan a buoy link from the geographic location of the base station on the shore to the location of the farthest buoy in the open sea. Specifically, according to the wireless signal range of the navigation aid equipment, determine the geographic location and the required number of relay navigation beacons. In order to avoid link interruption caused by a site failure, the geographic location of each level of navigation beacon site in the link should be within its The wireless signal transceiver range covers the uplink two-level navigation mark and the downlink two-level navigation mark. And assign the priority numbers of each station in turn, starting from the direction closest to the base station on the shore, such as figure 1 As shown, the buoy link includes a base station and n stations. Each station is numbered seque...

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Abstract

The invention provides an information transmission method for an AIS navigation mark link. A base station and a plurality of AIS navigation mark relay stations are used for transmitting information. The method comprises the following steps that A, the navigation mark link is planned, priorities of all navigation mark stations are determined, and identification code information is preset to the navigation mark stations; B, when sent, the information comprises the number of forwarding times, information reception destination identification codes and information emission source identification codes; C, after the navigation mark stations receive the information, whether the information is uplink or downlink is judged, and whether the received information conforms to uplink and downlink forwarding standards of the navigation mark stations is judged; D, when the information is forwarded, only the information, in the raw information, of the number of the forwarding times is corrected, and when the information of the number of the forwarding times is edited, one or two is added with the received information of the number of the forwarding times as the datum according to the fact whether the up-stage station or the next down-stage station fails or not. According to the information transmission method for the AIS navigation mark link, the relay function of the navigation mark link is brought into full play, the redundant information is avoided to the maximum degree, and the adaptive function is powerful.

Description

technical field [0001] The invention belongs to the communication field and relates to an information transmission method of an AIS navigation mark link. Background technique [0002] The Automatic Identification System (AIS system for short) is composed of shore-based (base station) facilities and ship-borne equipment. It is a new type of network technology, modern communication technology, computer technology, and electronic information display technology. Digital navigation aid system and equipment AIS navigation mark is the application of AIS automatic identification system based on the field of auxiliary navigation. It can provide effective navigation information for ships, such as position, hydrometeorological information, and can exchange information with the shore base station monitoring center to provide real-time Its own performance and status monitoring data define the scope of special maritime areas, provide warning information, and improve the safety of maritime...

Claims

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Application Information

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IPC IPC(8): H04B7/14H04W40/22
Inventor 周密谢永锋魏璨佟力邓柯
Owner CHENGDUSCEON TECH
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