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http://dx.doi.org/10.7840/kics.2014.39A.1.28

Design and Performance Improvement of Simultaneous Single Band Duplex System Using Turbo Equalizer  

An, Changyoung (충북대학교 전자공학과)
Ryu, Heung-Gyoon (충북대학교 전자공학과)
Publication Information
The Journal of Korean Institute of Communications and Information Sciences / v.39A, no.1, 2014 , pp. 28-35 More about this Journal
Abstract
In this paper, we propose a SSD(simultaneous single band duplex) system with turbo equalizer for full-duplex over harsh ISI(inter symbol interference) channel. The proposed system uses RF(radio frequency) cancellation and digital cancellation to cancel self-interference caused by simultaneous single band duplex communication. Also, using turbo equalizer, the proposed system equalizes signal after digital cancellation. In this paper, we design SSD system with turbo equalizer. And then we evaluate BER(bit error rate) performance of the proposed system comparison with SSD system with adaptive equalizer. We use simulink program to confirm BER performance of the proposed system. The simulation results shows that the proposed system equalizes received signal effectively over harsh ISI channel and BER performance of the proposed system is better than BER performance of SSD system with adaptive equalizer.
Keywords
SSD; full-duplex; turbo equalizer; iteration; self-interference;
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