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Computationally efficient compensations for some smart antenna systems
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- Authors
- Young Seog Song, Dong Seung Kwon
- Issue Date
- 2004-09
- Citation
- Vehicular Technology Conference (VTC) 2004 (Fall), pp.4786-4788
- Publisher
- IEEE
- Language
- English
- Type
- Conference Paper
- Abstract
- Some smart antenna systems need calibration, which measures the transmitter/receiver circuit path gains for each antenna and compensate the differences. Compensation is usually done in baseband using complex number multiplications. We propose efficient compensations for some time division duplex (TDD) smart antenna systems that use the channel reciprocity for downlink beamforming, and show that the number of arithmetic operations can be significantly reduced.
- KSP Keywords
- Arithmetic operations, Channel Reciprocity, Complex Number, Computationally Efficient, Smart antenna system, Time division duplexing(TDD), distributed antenna systems(DAS), downlink beamforming, receiver circuit