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New approaches to adjacent channel interference suppression in FDMA/TDMA mobile radio systems

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4 Author(s)
H. Arslan ; Ericsson Inc., Research Triangle Park, NC, USA ; S. C. Gupta ; G. E. Bottomley ; S. Chennakeshu

The capacity and signal quality of wireless communication systems can be improved by enhancing receiver performance in the presence of adjacent channel interference (ACI), In this paper, maximum-likelihood sequence estimation (MLSE) receivers based on joint demodulation and successive cancellation of adjacent channel signals are developed. The proposed receivers provide significant improvement in performance over a wide range of carrier-to-interference ratios. To provide coherent reception, novel channel estimation techniques are used, exploiting knowledge of the transmit and receive filter responses. Performance is evaluated and compared via simulation for the Global System for Mobile communications (GSM) digital cellular system

Published in:

IEEE Transactions on Vehicular Technology  (Volume:49 ,  Issue: 4 )