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Updated: Jul 7, 2026
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Quasi-light Storage for Optical Data Packets
Published on: February 6, 2014
Joint lossless-source and channel coding using ARQ/Go-Back-(N, M) for image transmission.
Bin He1, George F Elmasry, Constantine N Manikopoulos
1Department of Electrical and Computer Engineering, New Jersey Institute of Technology, Newark, NJ 07102, USA. bxh0843@oak.njit.edu
Summary
A new Go-Back-(N, M) JARQ protocol enhances image transmission over packet networks. It improves throughput significantly, especially at lower bit error rates, by combining joint source-channel coding with packet combining.
Area of Science:
- Computer Science
- Information Theory
- Data Transmission
Background:
- Packet-switched networks often encounter transmission errors, impacting data integrity.
- Conventional Automatic Repeat reQuest (ARQ) protocols can be inefficient in handling these errors, especially for image data.
- Joint source-channel coding offers potential for improved error resilience.
Purpose of the Study:
- To introduce and evaluate a novel transmission protocol, Go-Back-(N, M) JARQ, for lossless image transmission.
- To assess the protocol's performance against traditional ARQ methods.
- To demonstrate the benefits of joint lossless-source and channel coding for error handling.
Main Methods:
- Development of the Go-Back-(N, M) JARQ protocol, leveraging self-synchronization properties of lossless compression.
- Simulation of the protocol's throughput performance.
- Comparison with conventional ARQ protocols, including Go-Back-N.
- Analysis of performance with and without packet combining under various error conditions (random and burst).
Main Results:
- The Go-Back-(N, M) JARQ protocol demonstrates significant throughput gains compared to the conventional Go-Back-N protocol, particularly at moderate to low bit error rates (BERs).
- Incorporating packet combining leads to substantial throughput improvements at low BERs.
- The protocol shows robustness against both random and burst error patterns.
- Achieved an increase in code rate and clear indication of error propagation.
Conclusions:
- The proposed Go-Back-(N, M) JARQ protocol offers superior throughput performance for lossless image transmission over packet-switched networks.
- Its design provides enhanced error handling capabilities, insensitivity to error types, and increased code rates.
- The protocol represents a significant advancement for reliable data transmission in error-prone environments.
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