A. Honda, Shohei Ishikawa, Kazuyuki Ozaki, Shunsuke Fujio, Ken-ichi Nishikawa, Zhengyi Li, Chikara Kojima, T. Shimura, H. Ashida, T. Ohshima, M. Shimizu, Y. Ohashi
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引用次数: 5
Abstract
This paper describes beam division multiplexing at millimeter wave band using interleaved hybrid beam-forming (BF) antennas. The antenna elements are located alternately to make narrow beam-width of about 5 degrees, and the user multiplexing calculation on the digital signal processing part can suppress the undesired grating-lobe. The authors manufacture the interleaved hybrid beamforming antennas at 60GHz, and conduct antenna beam pattern measurements and transmission experiments. The measurement results show the desired-undesired ratio of 18dB after the suppression of the grating lobe by digital weight multiplication, and show good communication performance from the results of received constellation patterns of OFDM 16QAM modulation scheme.
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