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Performance of Hybrid MQAM-LFSK (HQFM) OFDM Transceiver in Rayleigh Fading Channels

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2 Author(s)
Latif, A. ; Fac. of Electron. Eng., GIK Inst. of Eng. Sci. & Technol., Swabi ; Gohar, N.D.

In this contribution we propose a hybrid MQAM/LFSK modulation (HQFM) scheme and showed its performance over Rayleigh fading channels using different modulation formats and Doppler spread. The simulation invokes a PN sequence training based decision feedback equalizer. The performance of the proposed scheme was compared with conventional 256QAM-OFDM when communicating over channels exhibiting multi-path components. It was shown that the scheme advocated outperforms conventional system.

Published in:

Multitopic Conference, 2006. INMIC '06. IEEE

Date of Conference:

23-24 Dec. 2006