Effect of Delay Spread Enhancement in MIMO Eigenbeam Space Division Multiplexing Transmission
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Abstract
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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.
Journal
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- IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences
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IEICE Transactions on Fundamentals of Electronics, Communications and Computer Sciences E88-A (7), 1931-1935, 2005-02-01
電子情報通信学会(IEICE)
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Details 詳細情報について
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- CRID
- 1050296586506863104
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- NII Article ID
- 110003213532
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- NII Book ID
- AA10826239
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- ISSN
- 09168508
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- Text Lang
- en
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- Article Type
- journal article
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- Data Source
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- IRDB
- CiNii Articles