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Transmission Performance and Diversity Technique of 100 Mbps Indoor Radio on 37 GHz
Satoru AIKAWA Akio SATO Yuji NAKAYAMA Satoshi KUROSAKI Teruaki YOSHIDA
IEICE TRANSACTIONS on Communications
Publication Date: 1998/04/25
Print ISSN: 0916-8516
Type of Manuscript: PAPER
Category: Antennas and Propagation
space diversity, broad-band tranmission, indoor radio transmission, millimeter wave,
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This paper presents experimental results obtained in indoor broad-band transmission experiments using a QPSK-100 Mbps modem in the 37 GHz band. Transmission performance is measured at many antenna locations in an office. The zone coverage, defined points where as the BER was less than 10-7, was derived in order to evaluate the possibility of high-speed transmission. It was found that adjusting the receiving antenna position a few centimeters greatly improves the zone coverage in utilizing millimeter waves. This result indicates the effectiveness in improving zone coverage of space diversity reception with an antenna spacing of several centimeters. Experimental results obtained show that zone coverage of up to 70% in the measured range is achieved by space diversity reception. Thus, the feasibility of 100 Mbps indoor wireless transmission, conventionally thought to be impossible, is experimentally confirmed.