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| Content Provider | IET Digital Library |
|---|---|
| Author | Yang, Guowei Khalighi, Mohammad Ali Ghassemlooy, Zabih Bourennane, Salah |
| Abstract | We propose an analytical approach to evaluate the performance of space-diversity free-space optical (FSO) systems over correlated Gamma–Gamma (ΓΓ) fading channels. To do this, we firstly derive an infinite series representation for the moment generating function (MGF) of the sum of arbitrarily correlated ΓΓ random variables (RVs). Then, a closed-form approximate expression for the probability density function (PDF) of the sum of ΓΓ RVs is obtained from the MGF with the aid of Padé approximation. The performance of the FSO system is then evaluated based on this PDF. Through some numerical results we illustrate the accuracy of the proposed method and further discuss its limitations. |
| Starting Page | 2246 |
| Ending Page | 2255 |
| Page Count | 10 |
| ISSN | 17518628 |
| Volume Number | 8 |
| e-ISSN | 17518636 |
| Issue Number | Issue 13, Sep (2014) |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/iet-com/8/13 |
| Alternate Webpage(s) | https://digital-library.theiet.org/content/journals/10.1049/iet-com.2013.0962 |
| Journal | IET Communications |
| Publisher Date | 2014-08-18 |
| Access Restriction | Open |
| Rights Holder | © The Institution of Engineering and Technology |
| Subject Keyword | Approximation Theory Correlated Gamma-Gamma Fading Channel Diversity Reception Fading Channel Free Space Optical Link FSO System Inflnite Series Representation Interpolation And Function Approximation MGF Moment Generating Function Numerical Analysis Optical Communication Padé Approximation Method PDF Performance Analysis Probability Probability Density Function Space-diversity Free-Space Optical System Statistics Sum-of-arbitrarily Correlated ΓΓ Random Variables |
| Content Type | Text |
| Resource Type | Article |
| Subject | Electrical and Electronic Engineering Computer Science Applications |
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