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A new modulation scheme for IR-UWB communication systems

  • Published:
Journal of Electronics (China)

Abstract

Since the poor performance of orthogonal binary Pulse Position Modulation (PPM) compared with binary Pulse Amplitude Modulation (PAM), this paper presents a new modulation scheme named Pulse Width Modulation (PWM) for Impulse Radio Ultra-WideBand (IR-UWB) communication systems. This modulation scheme uses pulses with equal amplitude and different widths to carry different information. The receiver employs differences between similarity coefficients among these pulses to distinguish different information. Both theoretical analysis and simulation results verify that this novel scheme has a Signal to Noise Ratio (SNR) gain of about 1.75 dB compared with orthogonal binary PPM, and has an SNR loss of about 1.4 dB compared with binary PAM. Although both the theoretical analysis and simulations are based on time-hopping multiple access, this modulation scheme can also be applied to other accessing techniques of UWB communication systems.

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Author information

Authors and Affiliations

  1. College of Telecommunications & Information Engineering, Nanjing University of Posts & Telecommunications, Nanjing, 210003, China

    Feng Wang, Chengqi Xu & Yan Zhang

  2. Nanjing University of Posts & Telecommunications, Mail Box No.67, 66 Xinmofan Road, Nanjing, 210003, China

    Feng Wang

Authors
  1. Feng Wang
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  2. Chengqi Xu
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  3. Yan Zhang
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Corresponding author

Correspondence to Feng Wang.

Additional information

Communication author: Wang Feng, born in 1978, male, Ph.D.

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Cite this article

Wang, F., Xu, C. & Zhang, Y. A new modulation scheme for IR-UWB communication systems. J. Electron.(China) 26, 497–502 (2009). https://doi.org/10.1007/s11767-008-0075-y

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  • DOI: https://doi.org/10.1007/s11767-008-0075-y

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