Bit error distribution measurements in the atmospheric optical fading channel

Michal Kubicek; Hennes Henniger; Zdenek Kolka

doi:10.1117/12.762684

13 February 2008 Bit error distribution measurements in the atmospheric optical fading channel

Michal Kubicek, Hennes Henniger, Zdenek Kolka

Proceedings Volume 6877, Free-Space Laser Communication Technologies XX; 68770B (2008) https://doi.org/10.1117/12.762684
Event: Lasers and Applications in Science and Engineering, 2008, San Jose, California, United States

Abstract

On/Off-Keying (OOK) data transmission in the atmospheric optical channel suffers from slow fading of the received power. Fading is produced by index of refraction turbulence and transmitter and receiver terminal alignment errors produced by tracking errors. Standard bit-error-ratio measurement techniques count the number of errors during a fixed time. Variation of measurement duration can change the measurement result significantly. Further measurement times are normally longer than fading events. Therefore no information about the distribution of bits in error in a data-stream can be measured with standard bit-error-rate testers. However the error distribution is important for the design of error correction methods like forward error correction. Therefore a special device has been developed to measure the error distribution. A description of this device is given in this paper. Further first measurements results are presented.

Citation Download Citation

Michal Kubicek, Hennes Henniger, and Zdenek Kolka "Bit error distribution measurements in the atmospheric optical fading channel", Proc. SPIE 6877, Free-Space Laser Communication Technologies XX, 68770B (13 February 2008); https://doi.org/10.1117/12.762684

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