An iterative ZigZag decoding for combating collisions in wireless networks

Business and entertainment increasingly depend on WLANs, as they provide flexibility of locations and low maintenance efforts. However in the presence of hidden terminals sender-receiver pairs experience severe packet loss due to collisions. ZigZag decoding has been proposed as an effective techniqu...

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Veröffentlicht in:IEEE communications letters 2010-03, Vol.14 (3), p.242-244
Hauptverfasser: Shahriar Rahman, M., Yonghui Li, Vucetic, B.
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creator Shahriar Rahman, M.
Yonghui Li
Vucetic, B.
description Business and entertainment increasingly depend on WLANs, as they provide flexibility of locations and low maintenance efforts. However in the presence of hidden terminals sender-receiver pairs experience severe packet loss due to collisions. ZigZag decoding has been proposed as an effective technique for recovering collided packets, but it may cause error propagation. In this paper, we propose an iterative ZigZag decoding algorithm to mitigate error propagation and further improve the system performance in the presence of collisions. Simulation results show that the proposed iterative ZigZag decoding can effectively overcome error propagation and considerably improve the system performance.
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However in the presence of hidden terminals sender-receiver pairs experience severe packet loss due to collisions. ZigZag decoding has been proposed as an effective technique for recovering collided packets, but it may cause error propagation. In this paper, we propose an iterative ZigZag decoding algorithm to mitigate error propagation and further improve the system performance in the presence of collisions. 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source IEEE Electronic Library (IEL)
subjects Applied sciences
Bit rate
Business
Business and industry local networks
Coding, codes
Collision mitigation
Collisions
Decoding
Detection, estimation, filtering, equalization, prediction
Errors
Exact sciences and technology
Flexibility
Hidden terminals
Information, signal and communications theory
interference cancelation
Interference cancellation
Iterative algorithms
Iterative decoding
Jitter
Multiaccess communication
Networks and services in france and abroad
Performance enhancement
Signal and communications theory
Signal, noise
Switching and signalling
System performance
Systems, networks and services of telecommunications
Telecommunications
Telecommunications and information theory
Teleprocessing networks. Isdn
Terminals
Throughput
Wireless communication
Wireless networks
ZigZag decoding
title An iterative ZigZag decoding for combating collisions in wireless networks
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