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Coded MPSK Modulation for the AWGN and Rayleigh Fading Channels

  • Shu Lin
  • Sandeep Rajpal
  • Do Jun Rhee
Part of the The Springer International Series in Engineering and Computer Science book series (SECS, volume 276)

Abstract

This paper investigates two methods of constructing bandwidth efficient MPSK modulation codes for the AWGN and Rayleigh fading channels. The first method is the multilevel coding method devised by Imai and Hirakawa. The multilevel coding method is a powerful technique for constructing bandwidth efficient modulation codes systematically with arbitrarily large distance parameters from Hamming distance component (block or convolutional) codes in conjunction with proper bits-to-signal mapping through signal set partitioning. Particularly, it provides the flexibility to coordinate the distance parameters of a code such that the best performance for a given channel can be attained. Furthermore, the multilevel modulation codes constructed by this method allow the use of multistage decoding procedures that provide good trade-offs between performance and decoding complexity. The second method is to construct TCM codes using convolutional codes with good free branch distance in conjunction with the multilevel coding technique.

Some good MPSK modulation codes for both the AWGN and Rayleigh fading channels are constructed and their error performances are given.

Keywords

Rayleigh Fading Channel Convolutional Code Modulation Code Branch Distance Decode Complexity 
These keywords were added by machine and not by the authors. This process is experimental and the keywords may be updated as the learning algorithm improves.

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Copyright information

© Springer Science+Business Media New York 1994

Authors and Affiliations

  • Shu Lin
    • 1
  • Sandeep Rajpal
    • 1
  • Do Jun Rhee
    • 1
  1. 1.Department of Electrical EngineeringUniversity of Hawaii at Manoa HonoluluHawaiiUSA

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