## Average Symbol Error Probability of General-Order Rectangular Quadrature Amplitude Modulation of Optical Wireless Communication Systems Over Atmospheric Turbulence Channels

Journal of Optical Communications and Networking, Vol. 2, Issue 2, pp. 102-110 (2010)

http://dx.doi.org/10.1364/JOCN.2.000102

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### Abstract

Using an accurate exponential bound for the Gaussian **
Q
**-function, we derive simple approximate closed-form expressions for the average symbol error probability (ASEP) of a free-space optical communication link using subcarrier intensity modulation (SIM) with general-order rectangular quadrature amplitude modulation (QAM) over atmospheric turbulence channels. To model the atmospheric turbulence conditions, the log-normal and the gamma-gamma distribution are used. Extensive numerical and computer simulation results are presented in order to verify the accuracy of the proposed mathematical analysis.

© 2010 Optical Society of America

**OCIS Codes**

(010.7060) Atmospheric and oceanic optics : Turbulence

(350.0350) Other areas of optics : Other areas of optics

**ToC Category:**

Research Papers

**History**

Original Manuscript: September 21, 2009

Revised Manuscript: November 12, 2009

Manuscript Accepted: December 11, 2009

Published: January 19, 2010

**Citation**

Kostas P. Peppas and Christos K. Datsikas, "Average Symbol Error Probability of General-Order Rectangular Quadrature Amplitude Modulation of Optical Wireless Communication Systems Over Atmospheric Turbulence Channels," J. Opt. Commun. Netw. **2**, 102-110 (2010)

http://www.opticsinfobase.org/jocn/abstract.cfm?URI=jocn-2-2-102

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