NDLI: Combined-Waveform Design Method and Its Application in Ultra-Wideband Pulse Shape Multiple Access

Content Provider	IEEE Xplore Digital Library
Author	Xuanli Wu Xuejun Sha Naitong Zhang
Copyright Year	2006
Description	Author affiliation: Commun. Res. Center, Harbin Inst. of Technol. (Xuanli Wu; Xuejun Sha; Naitong Zhang)
Abstract	In impulse radio ultra-wideband (IR-UWB) systems, Rayleigh pulse and Gaussian monocycle are usually the waveforms used to transmit data. However when all the users in a system transmit an identical waveform, the effects of multi-user interference (MUI) are great and therefore the system bit error rate (BER) is high. In order to reduce the effects of MUI, orthogonal waveforms based pulse shape multiple access (PSMA) is proposed. In this paper, combined-waveform the novel orthogonal waveforms design method based on orthogonal wavelet, is presented and utilized to realize multiple access with time hopping (TH) sequence. Meyer wavelet is used as an example to illustrate how to design a set of orthogonal waveforms by this method. Simulation results show that PSMA using combined-waveform can be used to reduce MUI, decrease receiver complexity compared to other orthogonal waveform based PSMA and reach the goal of adaptive spectrum envelope at the same time
Sponsorship	IEEE Circuits and Syst. Soc. HKUST UESTC City Univ. of Hong Kong
Starting Page	1273
Ending Page	1277
File Size	4805918
Page Count	5
File Format	PDF
ISBN	0780395840
DOI	10.1109/ICCCAS.2006.284877
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-25
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Shape Design methodology Bit error rate Interference Receivers Radar Pulse shaping methods Frequency synchronization Consumer electronics Ultra wideband technology
Content Type	Text
Resource Type	Article

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