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논문 기본 정보

자료유형
학술대회자료
저자정보
Woosik Moon (숭실대학교) Sungbin Im (숭실대학교)
저널정보
대한전자공학회 ITC-CSCC :International Technical Conference on Circuits Systems, Computers and Communications ITC-CSCC : 2008
발행연도
2008.7
수록면
1,389 - 1,392 (4page)

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초록· 키워드

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This paper presents the method of measuring the feedback channel, which is developed between the transmit and receive antennas of a wireless repeater by receiving the transmit singal from its tranmit antenna at the receive antenna of the identical repeater, and experiment results otained by anlyzing the measurements. This experiment uses 2㎓ W-CDMA signal and is carried out near a highway. The high-speed mobiles on highways cause feedback signals with high Doppler frequencies and large energy. In order to characterize the feedback channel, the power delay profile and the scattering function are estimated to identify the delay spread, the Doppler spread, the number of fingers, and the attenuation with delay. Since the feedback channel is constructed between the fixed TX and RX antennas, which is dependent upon the multipaths developed due to moving or fixed objects around the antennas, the channel has different properties comparing to the conventional channel between the base station and the mobile station. Therefore, the results presented in the paper will provide guidelines for designing and evaluating the wireless repeater systems.

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Abstract
1. Measurement Setup
2. Measurement Setup
3. Analysis of Measurements
4. Conclusion
References

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