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Effective Selective Detection Scheme Based on Pulse Repetition for Coherent UWB Systems
Jaewoon KIM Sekwon KIM Wonjin SUNG Yoan SHIN
Publication
IEICE TRANSACTIONS on Communications
Vol.E91-B
No.11
pp.3569-3573 Publication Date: 2008/11/01 Online ISSN: 1745-1345
DOI: 10.1093/ietcom/e91-b.11.3569 Print ISSN: 0916-8516 Type of Manuscript: Special Section LETTER (Special Section on Emerging Technologies for Practical Ubiquitous and Sensor Networks) Category: Keyword: UWB, selective detection, pulse repetition, coherent receiver, BPM, PPM, OOK,
Full Text: PDF>>
Summary:
We propose a selective detection scheme based on pulse repetition considering both BER (Bit Error Rate) performance and complexity in coherent UWB (Ultra Wide Band) systems. To take system complexity into account, the proposed scheme transmits the UWB signals by pulse repetition at the transmitter, like conventional PRC (Pulse Repetition Coding). However, to effectively improve BER performance of the system, the proposed scheme performs selective detection by estimating the SNR (Signal-to-Noise Ratio) of the received pulse-repeated signal at the UWB receiver.
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