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Realization of space-time adaptive filtering by employing electronically steerable passive array radiator antennas

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2 Author(s)
Kehu Yang ; ATR Adaptive Commun. Res. Labs., Kyoto, Japan ; Ohira, T.

Electronically steerable passive array radiator (ESPAR) antennas are considered to have the capability to form a beam spatially toward the desired signal with the lowest cost. We propose a method to realize space-time adaptive filtering (STAF) by employing ESPAR antennas for TDMA or CDMA signal waveforms. According to the method, the cochannel interference signals are spatially suppressed by the adaptive beamforming, and the intersymbol interference signals are suppressed by the temporal waveform-based adaptive equalization. Simulation results show the effectiveness of the proposed method in the signal environment of a local network communication system.

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Antennas and Propagation, IEEE Transactions on  (Volume:51 ,  Issue: 7 )