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Wireless Personal Communications

, Volume 56, Issue 3, pp 583–597 | Cite as

Enhancing Data Rates of TH-UWB Systems Using M-ary OPPM-BPSM Modulation Scheme: A System Perspective

  • Sudhan MajhiEmail author
  • A. S. Madhukumar
  • A. B. Premkumar
  • W. Xiang
  • P. Richardson
Article
  • 96 Downloads

Abstract

This paper proposes and studies a combined modulation scheme for time hopping ultra wideband (TH-UWB) radio system based on orthogonal pulse position modulation (OPPM) and biorthogonal pulse shape modulation (BPSM). The proposed scheme offers a high data rate with satisfactory system performance by using high-level multi-dimensional modulation schemes. It allows one to increase the number of orthogonal pulses in each pulse position and, consequently, be able to adopt shorter pulse repetition intervals than those used in conventional M-ary OPPM or M-ary biorthogonal PPM (BPPM) modulation schemes. The performance is analyzed by using characteristic function and Gaussian approximation in additive white Gaussian and multipath scenarios, respectively. The proposed scheme reduces multiple access interference considerably in multi-user environments. Finally, simulation results are provided to validate the theoretical results.

Keywords

M-ary modulation schemes Multiple access interference (MAI) Inter symbol interference (ISI) Performance of OPPM-BPSM Scheme 

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Copyright information

© Springer Science+Business Media, LLC. 2010

Authors and Affiliations

  • Sudhan Majhi
    • 1
    Email author
  • A. S. Madhukumar
    • 2
  • A. B. Premkumar
    • 2
  • W. Xiang
    • 1
  • P. Richardson
    • 1
  1. 1.University of Michigan-DearbornDearbornUSA
  2. 2.Nanyang Technological UniversitySingaporeSingapore

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