Adaptive Receiver Consisting of MLSE and Sector-Antenna Diversity for Mobile Radio Communications

Hidekazu MURATA  Susumu YOSHIDA  Tsutomu TAKEUCHI  

IEICE TRANSACTIONS on Communications   Vol.E77-B    No.5    pp.573-579
Publication Date: 1994/05/25
Online ISSN: 
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Issue on Adaptive Signal Processing in Mobile Radio Communications)
mobile radio communication,  diversity reception,  adaptive equalizer,  multipath propagation,  co-channel interference,  

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A receiving system suitable for multipath fading channels with co-channel interference is described. This system is equipped with both an M-sectored directional antenna and an adaptive equalizer to mitigate the influence due to multipath propagation and co-channel interference. By using directional antennas, this receiving system can separate desirable signals from undesirable signals, such as multipath signals with longer delay time and co-channel interference. It accepts multipath signals which can be equalized by maximum likelihood sequence estimation, and rejects both multipath signals with longer delay time and co-channel interference. Based on computer simulation results, the performance of the proposed receiving system is analyzed assuming simple propagation models with Rayleigh-distributed multipath signals and co-channel interference.