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Information Technology Journal
Year: 2010  |  Volume: 9  |  Issue: 1  |  Page No.: 146 - 151

Empirical Mode Decomposition for BER Improvement in Cellular Network

Z. Guo, Z. Xu, F. Wang and B. Huang    

Abstract: Call drop out is one of the most annoying problems in mobile communications. Over the years, many strategies have been proposed to solve the problem of call drop out, but it is still prevalent. One of the important reasons for call drop outs is high Bit Error Rate (BER). In this study, our intent is to reduce the call drop out by decreasing the BER based on Empirical Mode Decomposition (EMD). Thereafter, we introduce a new signal processing subsystem at the receiver section to decrease BER and thereby improve the end-to-end performance of the system. Our simulation is valid specifically for Code Division Multiple Access (CDMA) with QPSK modulation, although it can be extended to any cellular network. Our simulation proves that the new signal processing subsystem improves the BER performance.

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