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A CMA Adaptive Array Antenna System with a Single Receiver Using Time-Division Multiplexing
Eimatsu MORIYAMA Yukiyoshi KAMIO Kiyoshi HAMAGUCHI Hiroshi FURUKAWA
IEICE TRANSACTIONS on Communications
Publication Date: 2001/06/01
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Terrestrial Radio Communications
constant modulus algorithm, adaptive array, cochannel interference (CCI), time-division multiplexing,
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We describe a simplified receiver structure having several receiving antennas (i.e., an adaptive array antenna system) and using time-division-multiplexing (TDM) signal processing. Three simplified receiver structures were investigated for use in the antenna system. To confirm the feasibility of using a TDM receiver, both a TDM receiver and a conventional adaptive array receiver were constructed for testing. In our proposed system, several repetitions of the constant modulus algorithm (CMA) are used to reduce co-channel interference (CCI). The frame format used for both receivers was the same as that of the personal handy phone system in Japan. The laboratory testing was done using a fading simulator to enable measurement of the bit error rate. The results are very promising and show the feasibility of the TDM receiver.