PSWF-Based Direct-Sequence UWB Transmission Using Orthogonal Ternary Code Sets(<Special Section>Wide Band Systems)
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概要
- 論文の詳細を見る
An enhanced Ultra Wideband (UWB) signaling scheme that employs PSWF (Prolate Spheroidal Wave Functions)-based orthogonal chip pulses and ternary complementary code sets is proposed for Direct-Sequence (DS) UWB systems. Every information bit of each user is modulated and transmitted over a set of parallel sequences of PSWF-based orthogonal chip pulses and are further assigned to a ternary complementary code set with additional zero padding if necessary. Moreover, the ternary complementary code sets are generated to be mutually orthogonal and assigned to any pair of multiple users. Hence, the mitigation of multipath interference as well as multiple user interference (MUI) can be expected. Furthermore, the ternary code length can be greatly shortened by taking advantage of pulse and code orthogonality. Thus, the proposed transmission scheme is especially suitable for high data rate DS-UWB systems that offer very high flexibility.
- 社団法人電子情報通信学会の論文
- 2006-11-01
著者
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NAKAGAWA Masao
Keio University
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NAKAGAWA Masao
Department of Information and Computer Science, Keio University
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Nakagawa Masao
Faculty Of Science And Technology Keio University
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Nakagawa Masao
Department Of Information And Computer Science Keio University
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Zhang Honggang
Create-net
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CHO Chihong
Faculty of Science and Technology, Keio University
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Cho Chihong
Faculty Of Science And Technology Keio University
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Nakagawa Masao
Faculty Of Agriculture The University Of Tokyo
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