Benefit from rateless characteristic

  • Authors:
  • Xuyun Wang;Yan Dong;Feng Liu;Xiaoyan Wang;Rupeng Xie

  • Affiliations:
  • Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China;Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China;Beijing University of Aeronautic and Astronnautics, Beijing, China;Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China;Department of Electronics and Information Engineering, Huazhong University of Science and Technology, Wuhan, China

  • Venue:
  • WASA'11 Proceedings of the 6th international conference on Wireless algorithms, systems, and applications
  • Year:
  • 2011

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Abstract

The cooperation of methodologies that has resulted from the efforts where multiple mobiles share their resources (bandwidth and power) to achieve better overall performance has introduced a new dimension of designing ad hoc networks. Coded cooperation is an emerging paradigm with the superior performance over Amplify and Forward (AF) and Decode and Forward (DF). There are two main methods for coded cooperation: channel coding method and rateless code method. We analyzed and compared two incremental redundancy (IR) cooperation transmission schemes: the rate-compatible punctured convolution code (RCPC) scheme which is popular for channel coding method, and the scheme based on Raptor codes. The performance metric includes block error rate, throughput and energy efficient. Our numerical evaluation results illustrate the advantage of Raptor code under a number of different scenarios.