Effect of Delay Spread Enhancement in MIMO Eigenbeam Space Division Multiplexing Transmission
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概要
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MIMO (multiple-input multiple-output) transmission is a promising technology to improve the frequency usage efficiency in mobile radio communications. In this letter, MIMO transmission with eigenbeam space division multiplexing (E-SDM) is focused on and the site-dependent beamforming characteristics is examined to know the transmission characteristics. Site-dependent radiowave direction of arrival and impulse responses are obtained using ray tracing. Result shows that effect of radiowaves with longer delays is enhanced due to E-SDM beamforming, and rather more capability of treating a longer excess delay is necessary for time-domain multipath compensation.
- 電子情報通信学会(IEICE)の論文
- 2005-02-01
電子情報通信学会(IEICE) | 論文
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