Novel Protocols of Modulation Level Selection in Decode-and-Forward Multinode Cooperative Communication Systems

  • Kuo-Kuang Wu
  • Min-Kuan Chang
  • Shi-Yong Lee
  • Yu-Wei Chan
Part of the Lecture Notes in Electrical Engineering book series (LNEE, volume 308)

Abstract

The efficiency of multinode cooperative communication systems is an important issue to solve. To this end, the adaptive modulation (AM) is adopted. However, with the decode-and-forward (DF) protocol, the uncertainty of the decoding behavior of each relay complicates the support of AM. In this work, we first propose two protocols which are the optimal protocol and the suboptimal protocol to maximize the achievable data rate of the current transmission based on the instantaneous channel state information (CSI) of all links and to maximize the long-term achievable data rate, respectively. Finally, simulation results show the advantages of the proposed protocols.

Keywords

Multinode cooperative communication adaptive modulation decode-and-forward protocol relay selection 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2014

Authors and Affiliations

  • Kuo-Kuang Wu
    • 1
  • Min-Kuan Chang
    • 2
  • Shi-Yong Lee
    • 1
  • Yu-Wei Chan
    • 3
  1. 1.Department of Electrical EngineeringNational Chung Hsing UniversityTaichungTaiwan
  2. 2.Graduate Institute of Communication EngineeringNational Chung Hsing UniversityTaichungTaiwan
  3. 3.Department of Information ManagementChung Chou University of Science and TechnologyChanghuaTaiwan

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