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A Survey of Essential Considerations in the Desist of Downlink Beamforming of Smart Antenna System  

이원철 (용인송담대학 정보통신과)
최승원 (한양대학교 전기전자컴퓨터공학부)
Publication Information
The Journal of Korean Institute of Electromagnetic Engineering and Science / v.15, no.6, 2004 , pp. 627-633 More about this Journal
Abstract
Downlink beamforming is very important in recent mobile communications which requires wireless internet, VOD(Video-On-Demand), multimedia services. This paper addresses and analyzes the essential considerations fur downlink beamforming of smart antenna system to provide wanted characteristics. Major considerations in this paper are HPA power allocation for downlink beamforming, received power at mobile terminal, concept and performance of auxiliary pilot channel, importance and moth of array calibration, and throughput comparison of downlink and uplink. All above mentioned items are investigated in this paper.
Keywords
Smart Antenna; Beamforming; Downlink; Calibration;
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