6 April 1995 Wavelet transform domain communication systems
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Abstract
In this paper we introduce a new class of communications systems called wavelet transform domain (WTD) systems. WTD systems are transmultiplexer (TMUX) structures in which information to be communicated over a channel is encoded, via an inverse discrete wavelet transform (IDWT), as the wavelet coefficients of the transmitted signal, and extracted at the receiver by a discrete wavelet transform (DWT). WTD constructs can be used for covert, or low probability of intercept/detection (LPI/D) communications, baseband bandwidth efficient communications, or code-division multiple access (CDMA). This paper concentrates on the spread spectrum applications.
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Richard S. Orr, Cameron Pike, Michael J. Lyall, "Wavelet transform domain communication systems", Proc. SPIE 2491, Wavelet Applications II, (6 April 1995); doi: 10.1117/12.205394; https://doi.org/10.1117/12.205394
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