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Reseach Article

IR-HARQ (Incremental Redundancy Hybrid Automatic Repeat Request) Strategies and its Optimization

Published on November 2011 by Dr.S.S Limaye, Mayuri Chawla
2nd National Conference on Information and Communication Technology
Foundation of Computer Science USA
NCICT - Number 7
November 2011
Authors: Dr.S.S Limaye, Mayuri Chawla
de7c12b1-cca0-4e86-9eb0-aba37223e85c

Dr.S.S Limaye, Mayuri Chawla . IR-HARQ (Incremental Redundancy Hybrid Automatic Repeat Request) Strategies and its Optimization. 2nd National Conference on Information and Communication Technology. NCICT, 7 (November 2011), 20-23.

@article{
author = { Dr.S.S Limaye, Mayuri Chawla },
title = { IR-HARQ (Incremental Redundancy Hybrid Automatic Repeat Request) Strategies and its Optimization },
journal = { 2nd National Conference on Information and Communication Technology },
issue_date = { November 2011 },
volume = { NCICT },
number = { 7 },
month = { November },
year = { 2011 },
issn = 0975-8887,
pages = { 20-23 },
numpages = 4,
url = { /proceedings/ncict/number7/4233-ncict054/ },
publisher = {Foundation of Computer Science (FCS), NY, USA},
address = {New York, USA}
}
%0 Proceeding Article
%1 2nd National Conference on Information and Communication Technology
%A Dr.S.S Limaye
%A Mayuri Chawla
%T IR-HARQ (Incremental Redundancy Hybrid Automatic Repeat Request) Strategies and its Optimization
%J 2nd National Conference on Information and Communication Technology
%@ 0975-8887
%V NCICT
%N 7
%P 20-23
%D 2011
%I International Journal of Computer Applications
Abstract

This paper is proposed on HARQ (Hybrid Automatic Repeat Request) technique type II which is incremental redundancy where parity bits for error correction are sent only when they are required. HARQ improves the performance by allowing the receiver to combine multiple ARQ (Automatic Repeat Request) transmission. Errors over wireless link are modeled by Markov’s model. Model undergoes a transition of one state to another in a chain like manner. In Markov’s Model each state has its signal to noise ratio for each states SNR (Signal to Noise Ratio) we are going to find out the optimum length of packet, FEC (Forward Error Correction) code rate and rate of increment.

References
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Index Terms

Computer Science
Information Sciences

Keywords

ARQ HARQ Markov’s Model FEC