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논문 기본 정보
- 자료유형
- 학술저널
- 저자정보
- 발행연도
- 2016.8
- 수록면
- 451 - 463 (13page)
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초록· 키워드
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The misalignment errors and fluctuations in irradiance due to atmospheric turbulence can severelydegrade the performance of free-space optical (FSO) systems. In this paper, we investigate the asymptoticbit error rate (BER) performance and diversity orders of FSO links using parallel transmit-diversity schemes.
The BER expressions of FSO links with the switch-and-examine transmit (SET), switch-and-examinetransmit with post-selection (SETps), dual-branch transmit laser selection (Dual-TLS), and group transmitlaser selection (Group-TLS) schemes are derived, based on an approximate channel model. Then numericalsimulations for these four schemes in the region of high average signal-to-noise ratio (SNR) are presentedunder different channel conditions. The results show that the four transmit-diversity schemes can reducesystem complexity and overcome the limitation of peak power, without much BER deterioration.
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참고문헌 (33)
참고문헌 신청
V. Dubey / 2014 / Bit error rate and reliability analysis of cooperative communication in free-space optical systems / Photon. Netw. Commun 28:92~101
A. Garcia-Zambrana / 2012 / Bit detect and forward relaying for FSO links using equal gain combining over gamma-gamma atmospheric turbulence channels with pointing errors / Opt. Express 20:16394~16409
A. A. Farid / 2007 / Outage capacity optimization for free-space optical links with pointing errors / IEEE J. Lightwave Technol 25:1702~1710
M. Li / 2015 / Coherent free space optics communications over the maritime atmosphere with use of adaptive optics for beam wavefront correction / Appl. Opt 54:1453~1462
M. Li / 2014 / Evaluation of channel capacities of OAM-based FSO link with real-time wavefront correction by adaptive optics / Opt. Express 22:31337~31346
A. Garcia-Zambrana / 2012 / Bit detect and forward relaying for FSO links using equal gain combining over gamma-gamma atmospheric turbulence channels with pointing errors / Opt. Express 20:16394~16409
A. A. Farid / 2007 / Outage capacity optimization for free-space optical links with pointing errors / IEEE J. Lightwave Technol 25:1702~1710
M. Li / 2015 / Coherent free space optics communications over the maritime atmosphere with use of adaptive optics for beam wavefront correction / Appl. Opt 54:1453~1462
M. Li / 2014 / Evaluation of channel capacities of OAM-based FSO link with real-time wavefront correction by adaptive optics / Opt. Express 22:31337~31346
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