Performance of hybrid error control schemes on satellite channels
Abstract
The effectiveness of hybrid error control schemes involving forward error correction (FEC) and automatic repeat request (ARQ) is examined for satellite channels. The principal features of the channel are: large round-trip transmission delay due to the satellite link, and burst errors introduced by the terrestrial links that connect the users to the satellite link. The performance is estimated for two channels described by Fritchman's simple partitioned finite-state Markov model, and is compared to that obtainable if the channel is considered as a binary symmetric channel of the same bit error probability. Results show that the hybrid schemes offer substantial improvement over ARQ and FEC, and that an optimum exists for the number of errors corrected to obtain maximum throughput efficiency.
- Publication:
-
IEEE Transactions on Communications
- Pub Date:
- July 1975
- Bibcode:
- 1975ITCom..23..689S
- Keywords:
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- Channels (Data Transmission);
- Data Links;
- Error Correcting Codes;
- Performance Prediction;
- Satellite Transmission;
- Transmission Efficiency;
- Automatic Repeat Request;
- Error Analysis;
- Markov Processes;
- Mathematical Models;
- Probability Theory;
- Reliability Engineering;
- System Effectiveness;
- Communications and Radar