Multiuser time reversal UWB communication system: A modified transmission approach

Author

Naqvi, I.H. ; Khaleghi, A. ; El Zein, Ghais

Author_Institution

Inst. of Electron. & Telecommun. of Rennes, IETR-UMR CNRS 6164, Rennes, France

fYear

2009

fDate

13-16 Sept. 2009

Firstpage

2671

Lastpage

2675

Abstract

In this paper, ultra-wideband (UWB), time reversal (TR) communication is investigated by modifying the transmission prefilter. Mathematical expressions for received signal and the interference in the modified transmission scheme are derived. It is shown that the modified transmission approach reduces multi-user interference which eventually translates into a better bit error rate (BER) performance than simple TR multiuser scheme. Channel impulse responses (CIR) of a typical indoor channel are measured. In a multi-user scenario, both TR and the modified TR schemes are studied using the measured CIRs. It is shown that the proposed modified TR scheme outperforms the original TR scheme.

Keywords

error statistics; indoor radio; ultra wideband communication; BER; UWB communication system; bit error rate; channel impulse responses; indoor channel; modified transmission approach; multiuser time reversal UWB communication; time reversal communication; transmission prefilter; ultra-wideband communication; Bandwidth; Bit error rate; Energy resolution; Fading; Intersymbol interference; Multipath channels; RAKE receivers; Signal resolution; Ultra wideband communication; Ultra wideband technology; Multiuser; bit error rate (BER); dense multipath propagation channel; time reversal (TR); ultra-wideband (UWB);

fLanguage

English

Publisher

ieee

Conference_Titel

Personal, Indoor and Mobile Radio Communications, 2009 IEEE 20th International Symposium on

Conference_Location

Tokyo

Print_ISBN

978-1-4244-5122-7

Electronic_ISBN

978-1-4244-5123-4

Type

conf

DOI

10.1109/PIMRC.2009.5450198

Filename

5450198