Thursday, 21 July 2011

Wseas Transactions

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Transactions: WSEAS TRANSACTIONS ON INFORMATION SCIENCE AND APPLICATIONS
Transactions ID Number: 54-113
Full Name: Giorgos Tatsis
Position: Doctor
(Researcher)
Age: ON
Sex: Male
Address: University of Ioannina, Panepistimioupolis, Ioannina
Country: GREECE
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E-mail address: gtatsis@grads.uoi.gr
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Title of the Paper: ber performance of an ultra-wideband impulse radio correlator receiver
Authors as they appear in the Paper: Giorgos Tatsis, Constantinos Votis, Vasilis Christofilakis, Panos Kostarakis, Leonidas Ivrissimtzis, Spyridon K. Chronopoulos
Email addresses of all the authors: gtatsis@grads.uoi.gr, kvotis@grads.uoi.gr, basilios.christofilakis@siemens-enterprise.com, Leo.Ivriss@rfmd.com, schrono@cc.uoi.gr
Number of paper pages: 12
Abstract: This paper studies the characteristics of an Ultra-Wideband (UWB) communication system employing Impulse Radio techniques and, specifically, the effects of the matched filter of a correlator receiver in the performance of such a system. Such effects are evaluated in terms of the Bit Error Rate (BER) for a Binary Pulse Position Modulation (BPPM) scheme, in an indoor multipath propagation channel and in the presence of additive white Gaussian noise (AWGN). The case of imperfect channel estimation is taken into account, while comparisons with perfect channel estimation are performed. The dependence of BER on parameters such as the signal to noise ratio (SNR), the number of estimation pilot pulses and correletor taps, is finally derived. It is shown that there is an optimum number of correlator taps for best BER performance depending on the channel estimation procedure.
Keywords: Ultra-wideband, Impulse Radio, Correlator, Ber
EXTENSION of the file: .pdf
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