Level crossing and fading probabilities in an atmospheric communication link for a non-Markov process

Last, I.; Tamir, M.; Halavee, U.; Azoulay, E.

doi:10.1364/ao.25.001149

Cited by 3 publications

(3 citation statements)

References 9 publications

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“…The N dependence of the statistics demonstrates a saturation region which was studied in detail for a point receiver in Ref. 8. The increase in the aperture radius in the weak turbulence case decreases only slightly the saturation value of the level-crossing probability.…”

Section: Level-crossing Probability In the Pulse Sequencementioning

confidence: 83%

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Aperture-averaged level-crossing probability in an atmospheric communication link

1988

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The intensity statistics of light pulses in an atmospheric communication link are studied here for the case of a finite (nonpoint) detector aperture. The calculation of the statistics of the pulse intensities averaged over the aperture is performed by using a discrete aperture model and applying the multidimensional ognormal distribution. The results of the numerical calculations demonstrate the dependence of the level-crossing probability on aperture radius, number of pulses, and the length of a pulse sequence. The level-crossing probabilities were measured experimentally and found to be in close agreement with the theoretical values.

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Section: Level-crossing Probability In the Pulse Sequencementioning

confidence: 83%

“…The multidimensional Monte Carlo treatment was used in Ref. 8 to study level-crossing probabilities for a point detector.…”

Section: (2)mentioning

confidence: 99%

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Aperture-averaged level-crossing probability in an atmospheric communication link

1988

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Level crossing and fading probabilities in an atmospheric communication link for a non-Markov process: errata

et al. 1986

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Fade statistics of a ground-to-satellite optical link in the presence of lead-ahead and aperture mismatch

2009

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In a recent publication [J. Opt. Soc. Am. A25, 1594-1608 (2008).JOAOD60740-323210.1364/JOSAA.25.001594] we developed expressions for the tilt errors that arise from the effects of lead-ahead and aperture mismatch when transmitting a laser beam from the ground to a satellite. We extend these results to examine the fade statistics of the irradiance at the satellite due to these tilt errors and turbulence induced scintillation. The system concept is that the light from a beacon on the satellite is received by the ground station and a derived signal is used to drive a tracking/pointing system for the uplink beam. However, the beam must be pointed ahead along the satellite track to intercept the satellite (lead-ahead), and physical constraints may require that the beam transmit aperture is different in size or location than the aperture receiving the beacon signal (aperture mismatch). These two issues cause the light entering the receiving aperture (tracker) and the beam exiting the transmit aperture (pointer) to traverse somewhat different turbulence volumes, which limits the ability of the tracking/pointing system to place the maximum flux on the satellite.

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Level crossing and fading probabilities in an atmospheric communication link for a non-Markov process

Cited by 3 publications

References 9 publications

Aperture-averaged level-crossing probability in an atmospheric communication link

Aperture-averaged level-crossing probability in an atmospheric communication link

Level crossing and fading probabilities in an atmospheric communication link for a non-Markov process: errata

Fade statistics of a ground-to-satellite optical link in the presence of lead-ahead and aperture mismatch

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