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Design and Performance Analysis of Parity Encoded M-Ary BPPM in UWB Systems
Yeong-Hyeon KWON Mi-Kyung OH Dong-Jo PARK
IEICE TRANSACTIONS on Communications
Publication Date: 2005/09/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Wireless Communication Technologies
ultra wideband (UWB), pulse position modulation (PPM), multipath channel,
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This paper presents a new transmission scheme of M-ary biorthogonal pulse position modulation (BPPM) in ultra wideband systems. The proposed scheme incorporates position-wise parity information to improve the probability of symbol detection over multipath channels. A linear filter-based channel modification is also introduced to mitigate multipath degradation and maximize the probability of symbol detection by using parity information. The analytical and numerical results show that the proposed scheme achieves a significant improvement of symbol error rate (SER) with very low computational complexity and no symbol delay.