Chinese Optics Letters, Volume. 10, Issue 11, 110603(2012)
Photon-counting chip-interleaved iterative PIC detector over atmospheric turbulence channels
A photon-counting-based iterative parallel interference cancellation (PIC) scheme for free-space opticalcommunications in the presence of multiple-access interference, shot noise, background radiation, and turbulence fading is designed. An efficient chip-level iterative equivalent noise estimation algorithm is also derived. Simulation results show that the proposed scheme can achieve a single-user performance,bound with the fast convergence property. More importantly, it can eliminate the bit-error rate floor of the conventional optical code-division multiple-access system with the aid of a relatively short spreading code length.
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Xiaolin Zhou, Yandong Yang, Yufeng Shao, Jun Liu. Photon-counting chip-interleaved iterative PIC detector over atmospheric turbulence channels[J]. Chinese Optics Letters, 2012, 10(11): 110603
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Received: Apr. 14, 2012
Accepted: Jun. 20, 2012
Published Online: Sep. 28, 2012
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