Abstract
Wavelet packet division multiplexing (WPDM) is a multiple signal transmission scheme based on the orthogonality of wavelet packet basis functions. This chapter investigates the performance of WPDM under two types of interference: (1) timing errors between the transmitter and the receiver and (2) the presence of fast flat fading. Pilot symbol assisted modulation (PSAM) is applied to combat the irreducible error because of flat fading. The probability of error of WPDM system with PSAM in flat fading channels is analyzed in the chapter. It also presents a performance comparison between WPDM and FDM. The chapter shows that the pilot spacing for WPDM can be larger than the spacing for FDM. Therefore, WPDM wastes less energy in pilot symbols and gains capacity when compared with FDM scheme.
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Schedule a callMore From: Proceedings IWISP '96, 4 - 7 November 1996; Manchester, UK
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