Meteor-bursting communication protocol processor base on SNR estimation

A technology of signal-to-noise ratio estimation and protocol processor, which is applied in the field of communication, can solve problems such as inability to complete data transmission correctly, uncertain available channel time, and short channel existence time, achieving strong practicability, increased possibility, and simple lines Effect

Active Publication Date: 2009-01-21
NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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  • Application Information

AI Technical Summary

Problems solved by technology

Since the meteor trail channel is bursty and the channel exists for a short time, forward error correction alone cannot complete the correct transmission of data
However, if only relying on the automatic retransmission (ARQ) system, although the transmission is reliable and the implementation is simple, it is necessary to set up a reverse channel for transmitting and

Method used

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  • Meteor-bursting communication protocol processor base on SNR estimation
  • Meteor-bursting communication protocol processor base on SNR estimation
  • Meteor-bursting communication protocol processor base on SNR estimation

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Embodiment Construction

[0014] refer to Figure 1 to Figure 3 , the present invention consists of a packetizer 1, an organization transmitter 2, an encoder 3, a transmission selector 4, a channel detector 5, a fast synchronizer 6, a decoder 7, a receiver combiner 8, a depacketizer 9, and a transponder 10 , composed of a transponder 11 and a power supply 30, figure 1 It is a block diagram of the electrical principle of the present invention, and the embodiment is based on figure 1 Connect the lines. The function of the packetizer 1 is to packetize the input data from port A. The role of the encoder 3 is to perform error correction encoding on the data from the tissue transmitter 2 to generate supervisory bits. The function of the channel detector 5 is to send a detection command to detect whether a channel exists. The function of the sending selector 4 is to determine whether to send a probe command, a response command or data according to the channel conditions, and to transmit the sent informati...

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Abstract

The invention discloses a meteor burst communication protocol processor based on the estimation of signal-to-noise ratio, and relates to a meteor trail signal channel protocol processor with the strong anti-burstiness and the rapid fading resistance, and belongs to the communication field. The processor comprises a packetizer, an organization and sending device, an encoder, a sending selector, a signal channel detector, a rapid synchronizer, a decoder, a receiving and combination device, an unpacketizer, a receiving responder and a sending responder. The processor firstly estimates the signal-to-noise ratio before sending the data, and determines if the encoding and the punching is required; a receiving terminal adopts the technology of the data receiving and combination to carry out the self-decryption or the joint decryption on the received data and complete the processing of the meteor burst communication protocol. The invention also has the advantages of high integrated degree, simple circuit, small volume, convenient application and stable and reliable performance. The invention is especially suitable for the meteor trail signal channel protocol processor with the strong anti-burstiness, the rapid fading resistance and the short signal channel existence period.

Description

technical field [0001] The invention relates to a meteor burst communication protocol processor based on signal-to-noise ratio estimation in the communication field. It is especially suitable for the Meteor residual channel with strong burst and fast fading as the Meteor burst communication protocol processor device. Background technique [0002] When data is transmitted on the meteor trail channel with strong burstiness and fast fading, due to the rapid decline of the received signal-to-noise ratio, the bit error rate of the received data will change greatly, and even the data transmission will be interrupted at any time. Therefore, a certain protocol must be adopted to ensure the reliable and correct transmission of data. Because the meteor trail channel is bursty and the channel exists for a short time, only forward error correction cannot complete the correct transmission of data. However, if only the automatic repeat (ARQ) system is used, although the transmission is ...

Claims

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Application Information

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IPC IPC(8): H04L29/06H04L25/02H04L1/18H04L1/16H04L1/00
Inventor 张永涛王伟赵彦惠张靖王栋良高建忠李红雨陈玮
Owner NO 54 INST OF CHINA ELECTRONICS SCI & TECH GRP
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