A system for measuring packet error rate of ais message based on arbitrary waveform generator

An arbitrary waveform and measurement system technology, which is applied in the transmission system, digital transmission system, data exchange network, etc., can solve the problems of not specifying the design method of the message tester, etc., and achieve the effect of reducing knowledge requirements, easy modification, and realization of automation

Active Publication Date: 2016-04-06
湖南星博睿智能科技有限公司
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  • Abstract
  • Description
  • Claims
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Problems solved by technology

[0005] But so far there is no relevant literature or report on the message tester for measuring the packet error rate of the finished AIS shipboard system. The existing international and Chinese relevant test standards only mention the report The text tester does not point out the specific design method of the message tester

Method used

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  • A system for measuring packet error rate of ais message based on arbitrary waveform generator
  • A system for measuring packet error rate of ais message based on arbitrary waveform generator
  • A system for measuring packet error rate of ais message based on arbitrary waveform generator

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Embodiment

[0041] Embodiment: a kind of AIS packet error rate measurement system based on arbitrary waveform generator (see figure 1 , figure 2 , image 3 ), characterized in that it includes a computer, an arbitrary waveform generator unit, a LAN connection unit, an isolator unit, a power attenuator unit and an AIS shipboard system to be tested; wherein, the input end of the arbitrary waveform generator unit is connected through a local area network The unit receives the signal sent by the computer, and its output is connected to the input of the isolator unit; the input of the power attenuator unit receives the signal sent by the isolator unit, and its output is connected to the input of the AIS shipboard system to be tested; The input end of the computer receives the feedback signal of the AIS shipboard system to be tested.

[0042] The connection between the LAN connection unit and the computer and the arbitrary waveform generator unit is connected through a network port (see fig...

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Abstract

An AIS message packet error rate measuring system based on an arbitrary waveform generator is characterized by comprising a computer, a digital signal generator unit, a local area network connecting unit, an isolator unit, a power attenuator unit and an AIS ship-based system to be measured. A work method of the system includes initialization, waveform data sending, signal modulation, isolation, demodulation, decoding, judging and result obtaining. The system has the advantages of being large in flexibility, high in measurement automation degree, simple to operate, good in human-computer interface, strong in intelligentization, and suitable for measurement of the packer error rate of finished product AIS systems.

Description

(1) Technical field: [0001] The invention relates to the technical field of wireless communication, in particular to an AIS (Automatic Identification System for Ships—Automatic Identification System) message packet error rate measurement system based on an arbitrary waveform generator. (2) Background technology: [0002] Ships are developing in the direction of large-scale, professional, and high-speed. The number of ships, traffic density, and dangerous cargo loading are increasing. Automatic Identification System (AIS for short) is a new type of digital navigation system that works in the VHF frequency band and adopts self-organizing time division multiple access (SO-TDMA) technology. Efficient exchange of voyage and navigation data offers the possibility to improve the safety of navigation and improve the control and monitoring of maritime incidents. [0003] As a ship navigation aid system, AIS is helpful to the accuracy and safety of ship navigation. It is the basis of...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H04L12/26
Inventor 宫铭举孟鑫马社祥郭鑫吴汇博
Owner 湖南星博睿智能科技有限公司
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