A Novel Detection Scheme for EBPSK System

Xianqing Chen and Lenan Wu

Mathematical Problems in Engineering, 2012, vol. 2012, 1-14

Abstract:

We introduce the extended binary phase shift keying (EBPSK) communication system which is different from traditional communication systems by using a special impacting filter (SIF) for demodulation. The joint detection technique is applied at the demodulator side in order to improve the performance of the system under intersymbol interference (ISI). The main advantage of the joint detection technique, when compared to conventional threshold approaches, lies in its ability to use the amplitude and the correlation between neighboring bits, thus significantly improving performance, with low complexity. Moreover, we concentrate not only on increasing the bit rate of the system, but also on designing a bandwidth efficient communication system. Simulation results show that this new approach significantly outperforms the conventional method of using threshold decision by from 3.5 to 5 dB. The new system also occupies a narrower bandwidth. So joint detection is an effective method for EBPSK demodulation under ISI.

Date: 2012
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Persistent link: https://EconPapers.repec.org/RePEc:hin:jnlmpe:956191

DOI: 10.1155/2012/956191

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