BS-3-21 Performance Evaluation of WCDMA Signal Transmission over a FSO System Using Optically Amplified Receiver
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概要
- 論文の詳細を見る
Transmission of modulated radio frequency (RF) signal using free-space optical (FSO) communications links is receiving much research interest recently. In this paper, we present analytical results reflecting on the performance of a FSO system when transmitting a WCDMA signal considering effects of atmospheric turbulence on the transmission path and different noises at the receiver. The performance in terms of Signal to Noise ratio (SNR), Error Vector Magnitude (EVM) and Spurious Free Dynamic Range (SFDR) are analyzed when the system utilizes different kinds of optical receiver. It is clarified that when the system is not equipped with a Pre-Amplifier and the received power is small, an APD detector outperforms a PIN detector. However, when received signal is large and the system uses an optically amplified receiver, a PIN detector gives a better performance than an APD detector.
- 2010-03-02
著者
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Yen Nguyen
GITS, Waseda University
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Dat Pham
GITS, Waseda University
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Matsumoto Mitsuji
GITS, Waseda University
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Dat Pham
Gits Waseda University
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Yen Nguyen
Gits Waseda University
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