Smart antenna for combined downlink beam-forming with transmit diversity in TDD-CDMA system

Downlink beam-forming algorithms are applied to the smart antenna system to reduce the transmission power and resist intra-cell interference (MAI). On the other hand transmit diversity technique is used to overcome the multipath fading environment by providing better channel conditions. This work pr...

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Main Authors: Zhenfei Tang, Weifeng Cao, Wenbo Wang
Format: Conference Proceeding
Language:English
Subjects:
Antenna arrays
Diversity methods
Diversity reception
Downlink
Fading
Mobile antennas
Multiple access interference
Receiving antennas
Solid modeling
Transmitting antennas
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Weifeng Cao
Wenbo Wang
description Downlink beam-forming algorithms are applied to the smart antenna system to reduce the transmission power and resist intra-cell interference (MAI). On the other hand transmit diversity technique is used to overcome the multipath fading environment by providing better channel conditions. This work proposes a hybrid scheme combining downlink beam-forming with transmit diversity in TDD-CDMA radio mobile system. This hybrid scheme is found to provide a significant gain over conventional beam-forming with the same complexity. This new hybrid scheme of smart antenna is analyzed and the simulation results are also given.
doi_str_mv 10.1109/CASSET.2004.1321994
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identifier ISBN: 0780379381
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source IEEE Electronic Library (IEL) Conference Proceedings
subjects Antenna arrays
Diversity methods
Diversity reception
Downlink
Fading
Mobile antennas
Multiple access interference
Receiving antennas
Solid modeling
Transmitting antennas
title Smart antenna for combined downlink beam-forming with transmit diversity in TDD-CDMA system
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