M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Diversity techniques for a free-space optical communication system in correlated log-normal channels, SPIE Optical Engineering, vol.53, issue.1, p.16, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00923801

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Performance analysis of MISO multi-hop FSO links over log-normal channels with fog and beam divergence attenuations, vol.334, p.247252, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01066001

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Performance analysis of space-shift keying over negative-exponential and log-normal FSO channels
URL : https://hal.archives-ouvertes.fr/hal-01147588

, Chinese Optics Letters, vol.13, issue.5, 2015.

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Relay selection for full-duplex FSO relays over turbulent channels
DOI : 10.1109/isspit.2016.7886017
URL : https://hal.archives-ouvertes.fr/hal-01466001

M. Abaza, R. Mesleh, A. Mansour, and A. Alfalou, MIMO techniques for high data rate free space optical communication system in log-normal channel, Proceedings of International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, pp.1-5, 2013.
DOI : 10.1109/taeece.2013.6557185
URL : https://hal.archives-ouvertes.fr/hal-00822693

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Spatial diversity and multi hop in FSO communication over turbulence channels, Proceedings of Second Symposium on Wireless Sensor and Cellular Networks, pp.111-118, 1316.
DOI : 10.1109/wcnc.2014.6952038

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Spatial diversity for FSO communication systems over atmospheric turbulence channels, Proceedings of IEEE Wireless Communications and Networking Conference, pp.382-387, 2014.
DOI : 10.1109/wcnc.2014.6952038
URL : https://hal.archives-ouvertes.fr/hal-01089485

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, The performance of space shift keying for free-space optical communications over turbulent channels, Proceedings of SPIE 9387, pp.1-8, 2015.
URL : https://hal.archives-ouvertes.fr/hal-01147593

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Relay selection in two-way relays free-space optical communications, Proceedings of IEEE Wireless Communications and Networking Conference

A. A. Huurdeman, The Worldwide History of Telecommunications, 2003.

M. A. Khalighi and M. Uysal, Survey on free space optical communication : a communication theory perspective, IEEE Communications Surveys and Tutorials, vol.16, issue.4, p.22312258, 2014.
DOI : 10.1109/comst.2014.2329501
URL : https://hal.archives-ouvertes.fr/hal-01278529

S. Randel, F. Breyer, S. C. Lee, and J. W. Walewski, Advanced modulation schemes for short-range optical communications, IEEE Journal of Selected Topics in Quantum Electronics, vol.16, issue.5, p.12801289, 2010.
DOI : 10.1109/jstqe.2010.2040808

A. M. Street, P. N. Stavrinou, D. C. O'brien, and D. J. Edwards, Indoor optical wireless systemsa review, Optical and Quantum Electronics, vol.29, issue.3, p.349378, 1997.

H. Elgala, R. Mesleh, and H. Haas, Indoor optical wireless communication : potential and state-of-the-art, IEEE Communications Magazine, vol.49, issue.9, 2011.

Y. Tanaka, T. Komine, S. Haruyama, and M. Nakagawa, Indoor visible communication utilizing plural white LEDs as lighting, Proceedings of IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, p.8185, 2001.
DOI : 10.1109/pimrc.2001.965300

D. Kedar and S. Arnon, Urban optical wireless communication networks : The main challenges and possible solutions, IEEE Communications Magazine, vol.42, issue.5, p.27, 2004.

G. Parca, A. Shahpari, V. Carrozzo, G. M. Bele, and A. L. Teixeira, Optical wireless transmission at 1.6-Tbit/s (16 × 100 Gbit/s) for next-generation convergent urban infrastructure, SPIE Optical Engineering, vol.52, issue.11, p.15, 2013.

E. Bayaki, D. S. Michalopoulos, and R. Schober, EDFA-based all-optical relaying in free-space optical systems, IEEE Transactions on Communications, vol.60, issue.12, p.37973807, 2012.

C. K. Datsikas, K. P. Peppas, N. C. Sagias, and G. S. Tombras, Serial freespace optical relaying communications over gamma-gamma atmospheric turbulence channels, IEEE/OSA Journal of Optical Communications and Networking, vol.2, issue.8, p.576586, 2010.
DOI : 10.1364/jocn.2.000576

M. Safari and M. Uysal, Do we really need OSTBC for free-space optical communication with direct detection ?, IEEE Transactions on Wireless Communications, vol.7, issue.11, p.44454448, 2008.

E. Wainright, H. Refai, and J. S. , Wavelength diversity in free-space optics to alleviate fog eects, Proceedings of SPIE, vol.5712, issue.16, p.110118, 2005.

S. Bloom, E. Korevaar, J. Schuster, and H. Willebrand, Understanding the performance of free-space optics, IEEE/OSA Journal of Optical Communications and Networking, vol.2, issue.6, p.178200, 2003.

A. A. Farid and S. Hranilovic, Outage capacity optimization for free-space optical links with pointing errors, IEEE/OSA Journal of Lightwave Technology, vol.25, issue.7, p.17021710, 2007.

K. Kiasaleh, Performance of APD-based, PPM free-space optical communication systems in atmospheric turbulence, IEEE Transactions on Communications, vol.53, issue.9, p.14551461, 2005.

B. He and R. Schober, Bit-interleaved coded modulation for hybrid RF/FSO systems, IEEE Transactions on Communications, vol.57, issue.12, p.37533763, 2009.
DOI : 10.1109/icc.2009.5198787
URL : https://open.library.ubc.ca/media/download/pdf/24/1.0064860/1

M. Abaza, R. Mesleh, A. Mansour, and E. M. Aggoune, Diversity techniques for a free-space optical communication system in correlated log-normal channels, SPIE Optical Engineering, vol.53, issue.1, p.16, 2014.
URL : https://hal.archives-ouvertes.fr/hal-00923801

M. R. Abaza, N. A. Mohammed, and M. H. Aly, BER performance of M-ary PPM free-space optical communications with channel fading, Proceedings of International Conference on High Capacity Optical Networks and Enabling Technologies, p.111115, 1921.

R. Barrios and F. Dios, Exponentiated Weibull distribution family under aperture averaging for Gaussian beam waves, Optics Express, vol.20, issue.12, pp.13-055, 2012.
DOI : 10.1364/oe.20.013055
URL : https://upcommons.upc.edu/bitstream/2117/17448/1/Exponentiated%20weibull%20distribution%20family%20under%20aperture%20averaging%20for%20gaussian%20beam%20waves.pdf

A. Jurado-navas, J. Garrido-balsells, J. Paris, M. Castillo-vzquez, and A. Puertanotario, Impact of pointing errors on the performance of generalized atmospheric optical channels, Optics Express, vol.20, issue.11, pp.12-55012, 2012.

X. Zhu and J. M. Kahn, Maximum-likelihood spatial-diversity reception on correlated turbulent free-space optical channels, Proceedings of IEEE Global Communications Conference, vol.2, p.12371241, 2000.

S. Hranilovic, L. Lampe, and S. Hosur, Visible light communications : the road to standardization and commercialization (Part 1), IEEE Communications Magazine, vol.51, issue.12, p.2425, 2013.

L. Grobe, A. Paraskevopoulos, J. Hilt, D. Schulz, F. Lassak et al., High-speed visible light communication systems, IEEE Communications Magazine, vol.51, issue.12, p.6066, 2013.
DOI : 10.1109/mcom.2013.6685758

A. Jovicic, J. Li, and T. Richardson, Visible light communication : opportunities, challenges and the path to market, IEEE Communications Magazine, vol.51, issue.12, p.2632, 2013.
DOI : 10.1109/mcom.2013.6685754

S. Lim, K. G. Ruling, I. Kim, and I. S. Jang, Entertainment lighting control network standardization to support VLC services, IEEE Communications Magazine, vol.51, issue.12, p.4248, 2013.
DOI : 10.1109/mcom.2013.6685756

S. Yu, O. Shih, H. Tsai, and R. D. Roberts, Smart automotive lighting for vehicle safety, IEEE Communications Magazine, vol.51, issue.12, p.115, 2013.

D. Karunatilaka, F. Zafar, V. Kalavally, and R. Parthiban, LED based indoor visible light communications : state of the art, IEEE Communications Surveys and Tutorials, vol.17, issue.3, p.16491678, 2015.

J. H. Burroughes, D. D. Bradley, A. R. Brown, R. N. Marks, K. Mackay et al., Light-emitting diodes based on conjugated polymers, Nature, vol.347, p.539541, 1990.

P. A. Haigh, Z. Ghassemlooy, S. Rajbhandari, and I. Papakonstantinou, Visible light communications using organic light emitting diodes, IEEE Communications Magazine, vol.51, issue.8, p.148154, 2013.

B. Tian, F. Zhang, and X. Tan, Design and development of an LED-based optical communication system for autonomous underwater robots, Proceedings of IEEE/ASME International Conference on Advanced Intelligent Mechatronics, p.15581563, 2013.

D. M. Boroson, J. J. Scozzafava, D. V. Murphy, B. S. Robinson, and H. Shaw, The lunar laser communications demonstration, Proceedings of IEEE International Conference on Space Mission Challenges for Information Technology, p.2328, 1923.

B. Gutlich, R. Meyer, S. Philipp-may, and A. Pagels-kerp, German roadmap on optical communication in space, Proceedings of International Conference on Space Optical Systems and Applications, 2014.

, Optical Interorbit Communications Engineering Test Satellite, 2015.

W. D. Williams, M. Collins, D. M. Boroson, J. Lesh, A. Biswas et al., RF and optical communications: A comparison of high data rate returns from deep space in the 2020 timeframe, 2007.

I. S. Ansari, F. Yilmaz, and M. Alouini, Impact of pointing errors on the performance of mixed RF/FSO dual-hop transmission systems, IEEE Wireless Communications Letters, vol.2, issue.3, p.351354, 2013.

J. Zhang, L. Dai, Y. Zhang, and Z. Wang, Unied performance analysis of mixed radio frequency/free-space optical dual-hop transmission systems, IEEE/OSA Journal of Lightwave Technology, vol.33, issue.11, p.22862293, 2015.

W. R. Leeb, Applied optics, Degradation of signal to noise ratio in optical free space data links due to background illumination, vol.28, p.34433449, 1989.

L. C. Andrews, R. L. Phillips, and C. Y. Hopen, Laser Beam Scintillation with Applications, 2001.

H. Henniger and O. Wilfert, An introduction to free-space optical communications, Radioengineering, vol.19, p.203212, 2010.

R. L. Phillips and L. C. Andrews, Measured statistics of laser-light scattering in atmospheric turbulence, Journal of the Optical Society of America, vol.71, issue.12, p.14401445, 1981.

J. H. Churnside and R. J. Hill, Probability density of irradiance scintillations for strong path-integrated refractive turbulence, Journal of the Optical Society of America A, vol.4, issue.4, p.727733, 1987.

S. M. Bracher and G. Wang, Probability-density functions of irradiance for waves in atmospheric turbulence calculated by numerical simulation, Journal of the Optical Society of America A, vol.11, issue.7, p.20802092, 1994.

R. J. Hill and R. G. Frehlich, Probability distribution of irradiance for the onset of strong scintillation, Journal of the Optical Society of America A, vol.14, issue.7, p.15301540, 1997.

M. A. Al-habash, L. C. Andrews, and R. L. Philips, Mathematical model for the irradiance probability density function of a laser beam propagating through turbulent media, SPIE Optical Engineering, vol.40, p.15541562, 2001.

N. D. Chatzidiamantis, H. G. Sandalidis, G. K. Karagiannidis, S. A. Kotsopoulos, and M. Matthaiou, New results on turbulence modeling for free-space optical systems, Proceeding of IEEE International Conference on Telecommunications, p.487492, 2010.

M. A. Kashani, M. Uysal, and M. Kavehrad, A novel statistical channel model for turbulence-induced fading in free-space optical systems, IEEE/OSA Journal of Lightwave Technology, vol.33, issue.11, p.23032312, 2015.

K. P. Peppas and P. T. Mathiopoulos, Free space optical communication with spatial modulation and coherent detection over H-K atmospheric turbulence channels, IEEE/OSA Journal of Lightwave Technology, 2015.

C. H. Cox, Analog Optic Links : Theory and Practice, 2004.

Z. Ghassemlooy and W. O. Popoola, Mobile and Wireless Communications Network Layer and Circuit Level Design. InTech, ch. Terrestrial FreeSpace Optical Communications, p.355392, 2010.

J. Karout and E. A. Karlsson, Power ecient subcarrier modulation for intensity modulated channels, Optics Express, vol.18, issue.17, pp.17-91317, 2010.

S. G. Wilson, M. Brandt-pearce, Q. Cao, and J. H. Leveque, Freespace optical mimo transmission with q-ary ppm, IEEE Transactions on Communications, vol.53, issue.8, p.14021412, 2005.

H. Sugiyama and K. Nosu, MPPM : A method for improving the bandutilization ecency in optical PPM, IEEE/OSA Journal of Lightwave Technology, vol.7, issue.3, p.465471, 1989.

F. Xu, M. A. Khalighi, and S. Bourennane, Coded PPM and multipulse PPM and iterative detection for Free-Space optical links, IEEE/OSA Journal of Optical Communications and Networking, vol.1, issue.5, p.404415, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00459699

Y. Fan and R. J. Green, Comparison of pulse position modulation and pulse width modulation for application in optical communications, SPIE Optical Engineering, vol.46, issue.6, 2007.

Z. Ghassemlooy, A. R. Hayes, N. L. Seed, and E. D. Kaluarachchi, Digital pulse interval modulation for optical communications, IEEE Communications Magazine, vol.36, issue.12, p.9599, 1998.

Z. Ghassemlooy, W. Popoola, and S. Rajbhandari, Optical Wireless Communications : System and Channel Modelling with MATLAB, 2013.

H. Hemmati, Deep Space Optical Communications, 2006.

S. Hranilovic, Wireless Optical Communication Systems, 2005.

S. Hwang and Y. Cheng, SIM/SM-aided free-space optical communication with receiver diversity, IEEE/OSA Journal of Lightwave Technology, vol.32, issue.14, p.24432450, 2014.

W. Popoola, Z. Ghassemlooy, and V. Ahmadi, Performance of sub-carrier modulated free-space optical communication link in negative exponential atmospheric turbulence environment, International Journal of Autonomous and Adaptive Communications Systems, vol.1, issue.3, p.342355, 2008.

M. M. Karbassian and H. Ghafouri-shiraz, Transceiver architecture for incoherent optical CDMA network based on polarization modulation, IEEE/OSA Journal of Lightwave Technology, vol.26, p.38203828, 2008.

X. Zhao, Y. Yao, Y. Sun, and C. Liu, Circle polarization shift keying with direct detection for free-space optical communication, IEEE/OSA Journal of Optical Communications and Networking, vol.1, issue.9, p.307312, 2009.

Y. Wang, F. Du, J. Ma, and L. Tan, Employing circle polarization shift keying in free space optical communication with gamma-gamma atmospheric turbulence channel, vol.333, p.167174, 2014.

A. Belmonte and J. M. Kahn, Capacity of coherent free-space optical links using diversity combining techniques, Optics Express, vol.17, issue.15, pp.12-60112, 2009.

M. Kuschnerov, F. N. Hauske, K. Piyawanno, B. Spinnler, M. S. Alad et al., DSP for coherent single-carrier receivers, IEEE/OSA Journal of Lightwave Technology, vol.27, issue.16, p.36143622, 2009.

R. Lange, B. Smutny, B. Wandernoth, R. Czichy, and D. Giggenbach, 142 km, 5.625 Gbps free-space optical link based on homodyne BPSK modulation, Proceedings of SPIE 6105, 2006.

J. Yan, Z. Zheng, W. Hu, and A. Xu, Improved performance of M-ary PPM freespace optical communication systems in atmospheric turbulence due to forward error correction, Proceeding of the International Conference on Commununication Technology, p.14, 2006.

S. S. Muhammad, T. Javornik, I. Jelovcan, E. Leitgeb, and O. Koudelka, Reed Solomon coded PPM for terristal FSO links, Proceeding of the International Conference on Electrical Engineering, 1112.

S. S. Muhammad, T. Javornik, I. Jelovcan, Z. Ghassemlooy, and E. Leitgeb, Comparison of hard-decision and soft-decision channel coded M-ary PPM performance over free space optical links, European Transactions on Telecommunications, vol.20, issue.8, p.746757, 2009.

O. A. Sab and J. Fang, Concatenated forward error correction schemes for longhaul DWDM optical transmission systems, Proceeding of the European Conference on Optical Communications, p.290291, 1999.

I. B. Djordjevic, S. Denic, J. Anguita, B. Vasic, and M. A. Neifeld, LDPCcoded MIMO optical communication over the atmospheric turbulence channel, IEEE/OSA Journal of Lightwave Technology, vol.26, issue.5, p.478487, 2008.

H. T. Pham, N. T. Dang, L. T. Vu, and H. T. Bui, A survey of performance improvement methods for free-space optical communication systems, Proceedings of International Conference on Advanced Technologies for Communications, 1517.

M. Khalighi, N. Schwartz, N. Aitamer, and S. Bourennane, Fading reduction by aperture averaging and spatial diversity in optical wireless systems, IEEE/OSA Journal of Optical Communications and Networking, vol.1, issue.6, p.580593, 2009.
URL : https://hal.archives-ouvertes.fr/hal-00459532

G. Abbas, E. Ahmed, W. Aziz, S. Saleem, and Q. Islam, Performance enhancement of multi-input multi-output (MIMO) system with diversity, International Journal of Multidisciplinary Sciences and Engineering, vol.3, issue.5, p.812, 2012.

R. Mesleh, R. Mehmood, H. Elgala, and H. Haas, Indoor MIMO optical wireless communication using spatial modulation, Proceedings of IEEE International Conference on Communications, p.15, 2010.
DOI : 10.1109/icc.2010.5502062

T. A. Tsiftsis, H. G. Sandalidis, G. K. Karagiannidis, and M. Uysal, Optical wireless links with spatial diversity over strong atmospheric turbulence channels, IEEE Transactions on Wireless Communications, vol.8, issue.2, p.951957, 2009.
DOI : 10.1109/twc.2009.071318
URL : http://faculty.ozyegin.edu.tr/muratuysal/files/2011/05/J34.pdf

M. Safari and S. Hranilovic, Diversity gain for near-eld MISO atmospheric optical communications, Proceedings of International Conference on Communications, p.31283132, 1015.
DOI : 10.1109/icc.2012.6364140

M. R. Abaza, R. Mesleh, A. Mansour, and A. Alfalou, MIMO techniques for high data rate free space optical communication system in log-normal channel, Proceedings of International Conference on Technological Advances in Electrical, Electronics and Computer Engineering, p.15, 2013.
URL : https://hal.archives-ouvertes.fr/hal-00822693

S. M. Navidpour, M. Uysal, and M. Kavehrad, BER performance of free-space optical transmission with spatial diversity, IEEE Transactions on Wireless Communications, vol.6, issue.8, p.28132819, 2007.

M. K. Simon and V. Vilnrotter, Alamouti-type space-time coding for free-space optical communication with direct detection, IEEE Transactions on Wireless Communications, vol.4, issue.1, p.3539, 2005.

M. Premaratne and F. Zheng, Orthogonal space-time block codes for freespace IM/DD optical links, Electronics Letters, vol.43, issue.15, p.822823, 2007.

E. Bayaki and R. Schober, Performance and design of coherent and dierential space-time coded FSO systems, IEEE/OSA Journal of Lightwave Technology, vol.30, issue.11, p.15691577, 2012.

A. Garcia-zambrana, C. Castillo-vazquez, B. Castillo-vazquez, and A. Hiniestagomez, Selection transmit diversity for FSO links over strong atmospheric turbulence channels, IEEE Photonics Technology Letters, vol.21, issue.14, pp.1017-1019, 2009.

T. Fath, H. Haas, M. D. Renzo, and R. Mesleh, Spatial modulation applied to optical wireless communications in indoor LOS environments, Proceedings of IEEE Global Communications Conference, p.15, 2011.
URL : https://hal.archives-ouvertes.fr/hal-00661335

G. Yang, M. Khalighi, T. Virieu, S. Bourennane, and Z. Ghassemlooy, Contrasting space-time schemes for MIMO FSO systems with non-coherent modulation, Proceedings of International Workshop on Optical Wireless Communications, p.13, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00747999

M. D. Renzo, H. Haas, A. Ghrayeb, S. Sugiura, and L. Hanzo, Spatial modulation for generalized mimo : challenges, opportunities, and implementation, Proceedings of the IEEE, vol.102, p.56103, 2014.

T. Ozbilgin and M. Koca, Optical Spatial Pulse Position Amplitude Modulation over Atmospheric Turbulence Channels, Proceedings of International Conference on Communications, p.34123417, 2014.
DOI : 10.1109/icc.2014.6883849

J. Lee and S. Hwang, Selection diversity-aided subcarrier intensity modulation/spatial modulation for free-space optical communication, IET Optoelectronics, vol.9, issue.2, p.116124, 2015.

G. K. Karagiannidis, D. A. Zogas, and S. A. Kotsopoulos, An ecient approach to multivariate Nakagami-m distribution using green's matrix approximation, IEEE Transactions on Wireless Communications, vol.2, issue.5, p.883889, 2003.

H. Moradi, H. H. Refai, and P. G. Lopresti, A switched diversity approach for multi-receiving optical wireless systems, Applied Optics, vol.50, issue.29, pp.5606-5614, 2011.

N. B. Mehta, A. F. Molisch, J. Wu, and J. Zhang, Approximating the sum of correlated lognormal or lognormal-Rice random variables, IEEE Transactions on Wireless Communications, vol.6, issue.7, p.26902699, 2007.

T. Ozbilgin and M. Koca, Inter-aperturecorrelationinMIMOfreespaceopticalsystems, Optics Communications, vol.353, p.139146, 2015.

G. Yang, M. Khalighi, S. Bourennane, and Z. Ghassemlooy, Approximation to the sum of two correlated gamma-gamma variates and its applications in freespace optical communications, IEEE Wireless Communications Letters, vol.1, issue.6, p.621624, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00747986

M. D. Yacoub, The ? ? µ distribution : a physical fading model for the Stacy distribution, IEEE Transactions on Vehicular Technology, vol.56, issue.1, pp.27-34, 2007.

G. Yang, M. A. Khalighi, S. Bourennane, and Z. Ghassemlooy, Fading correlation and analytical performance evaluation of the space-diversity free-space optical communications system, IOP Journal of Optics, vol.16, issue.3, p.110, 2014.
URL : https://hal.archives-ouvertes.fr/hal-01278503

G. K. Karagiannidis, Moments-based approach to the performance analysis of equal gain diversity in Nakagami-m fading, IEEE Transactions on Communications, vol.52, issue.5, p.685690, 2004.

G. Yang, M. A. Khalighi, Z. Ghassemlooy, and S. Bourennane, Iet communications, Performance analysis of space-diversity FSO systems over the correlated Gamma-Gamma fading channel using Pade approximation method, vol.8, p.22462255, 2014.

J. Akella, M. Yuksel, and S. Kalyanaraman, Error analysis of multihop free-space optical communication, Proceedings of International Conference on Communications, p.17771781, 1620.

G. Karagiannidis, T. Tsiftsis, and H. Sandalidis, Outage probability of relayed free space optical communication systems, Electronics Letters, vol.42, issue.17, p.994995, 2006.

T. A. Tsiftsis, H. G. Sandalidis, G. K. Karagiannidis, and N. C. Sagias, Multihop free-space optical communications over strong turbulence channels, Proceedings of International Conference on Communications, p.27552759, 1115.

M. Safari and M. Uysal, Relay-assisted free-space optical communication, IEEE Transactions on Wireless Communications, vol.7, issue.12, p.54415449, 2008.

, Diversity gain analysis of free-space optical communication systems, Proceedings of Canadian Conference on Electrical and Computer Engineering, p.12391244, 2008.

Y. Jiao, J. B. Wang, X. Dang, M. Chen, W. Hu et al., Performance analysis of multi-hop free space optical communications with pointing errors, Proceedings of International Conference on Optical Communications and Networks, p.121, 2010.

M. Safari, M. M. Rad, and M. Uysal, Multi-hop relaying over the atmospheric poisson channel : outage analysis and optimization, IEEE Transactions on Communications, vol.60, issue.3, p.817829, 2012.

A. Vavoulas, H. G. Sandalidis, and D. Varoutas, Weather eects on FSO network connectivity, IEEE/OSA Journal of Optical Communications and Networking, vol.4, issue.10, p.734740, 2012.

C. Abou-rjeily, Power allocation for quantum-limited multihop free-space optical communication systems, IEEE Communications Letters, vol.16, issue.12, 2012.

N. T. Dang, H. T. Pham, and A. T. Pham, Average BER analysis of multihop FSO systems over strong turbulence and misalignment fading Channels, Proceedings of International Conference on Communications in China, p.153157, 1214.

Q. Hu, J. Wang, J. Wang, M. Chen, and X. Song, Outage probability analysis of multi-hop free space optical communications over strong turbulence channels, Proceedings of International Conference on Wireless Communications and Signal Processing, p.16, 2013.

S. Kazemlou, S. Hranilovic, and S. Kumar, All-optical multihop free-space optical communication systems, IEEE/OSA Journal of Lightwave Technology, vol.29, issue.18, p.26632669, 2011.

P. V. Trinh, N. T. Dang, and A. T. Pham, All-optical AF relaying FSO systems using EDFA combined with OHL over gamma-gamma channels, Proceedings of International Conference on Communications, 2015.

S. M. Aghajanzadeh and M. Uysal, Multi-hop coherent free-space optical communications over atmospheric turbulence channels, IEEE Transactions on Communications, vol.59, issue.6, p.16571663, 2011.

T. V. Pham, T. C. Thang, and A. T. Pham, Performance analysis of multihop FSO systems using APD receivers over log-normal channels, Proceedings of International Conference on Communications in China, p.165170, 1214.

T. V. Pham and A. T. Pham, Performance of APD-based amplify-and forward multihop FSO systems over turbulence channels, Proceedings of IEEE Global Communications Conference, p.10461051, 2013.

K. P. Peppas, A. N. Stassinakis, H. E. Nistazakis, and G. S. Tombras, Capacity analysis of dual amplify-and-forward relayed free-space optical communication systems over turbulence channels with pointing errors, IEEE/OSA Journal of Optical Communications and Networking, vol.5, issue.9, p.10321042, 2013.

M. Aggarwal, P. Garg, and P. Puri, A novel MGF-based approach to analyze SIM-based relayed FSO systems, Proceedings of International Conference on Advances in Computing, Communications and Informatic, p.25262530, 2014.

X. Tang, Z. Wang, Z. Xu, and Z. Ghassemlooy, Multihop free-space optical communications over turbulence channels with pointing errors using heterodyne detection, IEEE/OSA Journal of Lightwave Technology, vol.32, issue.15, p.25972604, 2014.
DOI : 10.1109/jlt.2014.2330594

M. Aggarwal, P. Garg, P. Puri, and P. K. Sharma, Performance analysis of optical wireless communication system with a decode and forward relay, Proceedings of International Conference on Signal Processing and Integrated Networks, p.333337, 2014.

E. Bayaki, R. Schober, and R. K. Mallik, Performance analysis of MIMO freespace optical systems in Gamma-Gamma fading, IEEE Transactions on Communications, vol.57, issue.11, p.34153424, 2009.

C. Chae and G. Yoon, Outage probability analysis of a coherent FSO amplifyand-forward relaying system, IEEE Photonics Technology Letters, vol.27, issue.11, p.12041207, 2015.

E. Zedini and M. Alouini, On the performance of multihop heterodyne FSO systems with pointing errors, IEEE Photonics Journal, vol.7, issue.2, 2015.

M. Aggarwal, P. Garg, and P. Puri, Ergodic capacity of SIM based DF relayed optical wireless communication systems, IEEE Photonics Technology Letters, vol.27, issue.10, p.11041107, 2015.

, Exact capacity of amplify-and-forward relayed optical wireless communication systems, IEEE Photonics Technology Letters, vol.27, issue.8, p.903906, 2015.

M. A. Kashani, M. Safari, and M. Uysal, Optimal relay placement and diversity analysis of relay-assisted free-space optical communication systems, IEEE/OSA Journal of Optical Communications and Networking, vol.5, issue.1, p.3747, 2013.

B. Zhu, J. Cheng, and L. Wu, Optimal FSO relay nodes placement with link obstacles and infeasible regions, Proceedings of IEEE Global Communications Conference, p.21372142, 2014.

C. Gong and Z. Xu, Non-line of sight optical wireless relaying with the photon counting receiver : a count-and-forward protocol, IEEE Transactions on Wireless Communications, vol.14, issue.1, p.376388, 2015.

H. T. Pham, N. T. Dang, and A. T. Pham, Eects of atmospheric turbulence and misalignment fading on performance of serial-relaying M-ary pulse-position modulation free-space optical systems with partially coherent Gaussian beam, IET Communications, vol.8, issue.10, p.17621768, 2014.

A. T. Pham and D. A. Luong, Optical wireless communications over fading channels : spatial diversity or multihop relaying, Proceedings of International Conference on Advanced Technologies for Communications, p.123, 1517.
DOI : 10.1109/atc.2014.7043489

C. Abou-rjeily and A. Abdo, Serial relaying over gamma-gamma MIMO FSO links : diversity order and aperture allocation, IEEE Communications Letters, vol.19, issue.4, p.553556, 2015.
DOI : 10.1109/lcomm.2015.2401563

S. Anees and M. R. Bhatnagar, Performance of an amplify-and-forward dualhop asymmetric RF-FSO communication system, IEEE/OSA Journal of Optical Communications and Networking, vol.7, issue.2, p.124135, 2015.

E. Zedini, I. S. Ansari, and M. Alouini, On the performance of hybrid line of sight RF and RF-FSO xed gain dual-hop transmission systems, Proceedings of IEEE Global Communications Conference, p.21192124, 2014.

N. D. Chatzidiamantis, D. S. Michalopoulos, E. E. Kriezis, G. K. Karagiannidis, and R. Schober, Relay selection protocols for relay-assisted free-space optical systems, IEEE/OSA Journal of Optical Communications and Networking, vol.5, issue.1, p.92103, 2013.

H. Cui, M. Ma, L. Song, and B. Jiao, Relay selection for two-way full duplex relay networks with amplify-and-forward protocol, IEEE Transactions on Wireless Communications, vol.13, issue.7, p.37683777, 2014.

M. Karimi and M. Nasiri-kenari, BER analysis of cooperative systems in freespace optical networks, IEEE/OSA Journal of Lightwave Technology, vol.27, issue.24, 2009.

C. Abou-rjeily and S. Haddad, Novel cooperation strategies for free-space optical communication systems in the absence and presence of feedback, 2011.

C. Abou-rjeily, Simple-DF versus selective-DF relaying over Rayleigh turbulence-induced FSO fading channels, Proceedings of International Symposium on Personal, Indoor and Mobile Radio Communications, p.10821086, 2013.

B. Zhu, J. Cheng, and L. Wu, A distance-dependent free-space optical cooperative communication system, IEEE Communications Letters, vol.19, issue.6, pp.969-972, 2015.

C. Abou-rjeily and A. Slim, Cooperative diversity for free-space optical communications : transceiver design and performance analysis, IEEE Transactions on Communications, vol.59, issue.3, p.658664, 2011.

J. Wang, J. Wang, M. Chen, Y. Tang, and Y. Zhang, Outage analysis for relay-aided free-space optical communications over turbulence channels with nonzero boresight pointing errors, IEEE Photonics Journal, vol.6, issue.4, 2014.

C. Castillo-vazquez, R. Boluda-ruiz, B. Castillo-vazquez, and A. Garciazambrana, Outage performance of DF relay-assisted FSO communications using time-diversity, IEEE Photonics Technology Letters, vol.27, issue.11, pp.1149-1152, 2015.

M. Karimi and M. Nasiri-kenari, Free space optical communications via optical amplify-and-forward relaying, IEEE/OSA Journal of Lightwave Technology, vol.29, issue.2, p.242248, 2011.

J. Wang, J. Wang, M. Chen, Q. Hu, N. Huang et al., Free-space optical communications using all-optical relays over weak turbulence channels with pointing errors, Proceedings of International Conference on Wireless Communications and Signal Processing, p.16, 2013.

Z. Mostaani and M. Uysal, Relay selection in FSO systems with all-optical relaying over Gamma-Gamma turbulence channels, Proceedings of IEEE Signal Processing and Communications Applications Conference, p.710713, 2014.

M. R. Bhatnagar, Average BER analysis of dierential modulation in DF cooperative communication system over gamma-gamma fading FSO links, IEEE Communications Letters, vol.16, issue.8, p.12281231, 2012.

K. Prabu and D. S. Kumar, Outage analysis of relay-assisted BPSK-SIM based FSO systems over strong atmospheric turbulence with pointing errors, International Journal ofComputer and Communication Engineering, vol.3, issue.5, p.317320, 2014.

Y. Celik and N. Odabasioglu, On relay selection for cooperative free-space optical communication, Proceedings of European Conference on Networks and Optical Communications, p.15, 2012.

S. M. Aghajanzadeh and M. Uysal, Outage performance and DMT analysis of DF parallel relaying in FSO IM/DD communications, Proceedings of IEEE Vehicular Technology Conference, p.15, 2012.

Q. He and Z. Xu, Opportunistic cooperation for FSO links aided by decode and forward relay, Proceedings of IEEE Workshop on Optical Wireless Communications, p.11931197, 2012.

C. Abou-rjeily, Performance analysis of selective relaying in cooperative freespace optical systems, IEEE/OSA Journal of Lightwave Technology, vol.31, issue.18, p.29652973, 2013.

M. R. Bhatnagar, Average BER analysis of relay selection based decode-andforward cooperative communication over gamma-gamma fading FSO links, Proceedings of International Conference on Communications, p.31423147, 2013.

R. Boluda-ruiz, A. Garcia-zambrana, C. Castillo-vazquez, and B. Castillovazquez, Adaptive selective relaying in cooperative free-space optical systems over atmospheric turbulence and misalignment fading channels, Optics Express, vol.22, issue.13, pp.16-62916, 2014.

B. T. Vu, T. C. Thang, and A. T. Pham, Selection decode-and-forward cooperative FSO systems with adaptive rate strategy over gamma-gamma fading chanReferences 125

, Proceedings of IEEE Global Communications Conference, p.35853590, 2014.

N. Sharma, A. Bansal, and P. Garg, On the performance of selective transmission based DF FSO system with generalized M-distributed turbulence, Proceedings of Annual IEEE India Conference, p.15, 1113.

P. Wang, T. Cao, L. Guo, R. Wang, and Y. Yang, Performance analysis of multi-hop parallel free-space optical systems over exponentiated Weibull fading channels, IEEE Photonics Journal, vol.7, issue.1, 2015.

C. Abou-rjeily and S. Haddad, Cooperative FSO systems : performance analysis and optimal power allocation, IEEE/OSA Journal of Lightwave Technology, vol.29, issue.7, p.10581065, 2011.

X. Zhou, D. Zhang, Y. Yang, and M. S. Obaidat, Network-coded multiple-source cooperation aided relaying for free-space optical transmission, International Journal of Communication Systems, vol.25, issue.11, p.14651478, 2012.

A. Garcia-zambrana, C. Castillo-vazquez, B. Castillo-vazquez, and R. Boludaruiz, Bit detect and forward relaying for FSO links using equal gain combining over gamma-gamma atmospheric turbulence channels with pointing errors, vol.20, pp.16-39416, 2012.

R. Boluda-ruiz, A. Garcia-zambrana, B. Castillo-vazquez, and C. Castillovazquez, Impact of relay placement on diversity order in adaptive selective DF relay-assisted FSO communications, Optics Express, vol.23, issue.3, p.26002617, 2015.

M. A. Kashani and M. Uysal, Outage performance and diversity gain analysis of free-space optical multi-hop parallel relaying, IEEE/OSA Journal of Optical Communications and Networking, vol.5, issue.8, p.901909, 2013.

S. Zhalehpour and M. Uysal, Outage performance analysis of mth best path selection protocol in FSO communications, Proceedings of International Conference on Transparent Optical Networks, p.14, 2014.

V. Dubey, D. Chadha, and V. Chandra, Bit error rate and reliability analysis of cooperative communication in free-space optical systems, Photonic Network Communications, vol.28, issue.1, p.92101, 2014.

C. Abou-rjeily, All-active and selective FSO relaying : do we need inter-relay cooperation ?, IEEE/OSA Journal of Lightwave Technology, vol.32, issue.10, p.18991906, 2014.

C. Abou-rjeily and S. Haddad, Inter-relay cooperation : a new paradigm for enhanced relay-assisted FSO communications, IEEE Transactions on Communications, vol.62, issue.6, 2014.

Y. Tang, X. Zhou, Z. Zhang, and Q. Tian, Performance analysis of a two-way network-coded free space optical relay scheme over strong turbulence channels, Proceedings of IEEE Vehicular Technology Conference, p.15, 2011.

P. K. Sharma and P. Garg, Bi-directional decode-XOR-forward relaying over Mdistributed free space optical links, IEEE Photonics Technology Letters, vol.26, issue.19, p.19161919, 2014.

P. Puri, P. Garg, and M. Aggarwal, Analysis of spectrally ecient two-way relay assisted free space optical systems in atmospheric turbulence with path loss, International Journal of Communication Systems, 2014.

P. K. Sharma, A. Bansal, and P. Garg, Relay assisted bi-directional communication in generalized turbulence fading, IEEE/OSA Journal of Lightwave Technology, vol.33, issue.1, p.133139, 2015.

P. Puri, P. Garg, M. Aggarwal, and P. K. Sharma, Multiple user pair scheduling in TWR-FSO systems in presence of building sway, Proceedings of International Conference on Signal Processing and Communications, p.15, 2014.

P. Puri, P. Garg, and M. Aggarwal, Asymptotic analysis of TWR assisted FSO links with partial dual-relay selection, IEEE Communications Letters, vol.19, issue.5, p.879882, 2015.

, FSONA Provides Crédit Agricole With Innovative 10 Gigabit FSO Link, 2015.

, FSONA Networks And Touch Team Up To Deliver 4G LTE Services To Mobile Customers In Lebanon, 2015.

, Dispensing Dynamics, 2015.

J. Libich, M. Komanec, S. Zvanovec, P. Pesek, W. O. Popoola et al., Experimental verication of an all-optical dual-hop 10 Gbit/s free-space optics link under turbulence regimes, Optics Letters, vol.40, issue.3, p.391394, 2015.

V. Tarokh, H. Jafarkhani, and A. R. Calderbank, Space-time block codes from orthogonal designs, vol.45, p.14561467, 1999.

M. Abramowitz and I. A. Stegun, Handbook of Mathematical Functions with Fomulas, Graphs, and Mathematical Tables, 1972.

D. Bushuev and S. Arnon, Analysis of the performance of a wireless optical multiinput to multi-output communication system, Journal of the Optical Society of America A, vol.23, issue.7, p.17221730, 2006.

R. Mesleh, H. Haas, S. Sinanovi¢, C. W. Ahn, and S. Yun, Spatial modulation, IEEE Transactions on Vehicular Technology, vol.57, p.22282241, 2008.

I. S. Gradshteyn and I. M. Ryzhik, Table of Integrals, Series, and Products, 2007.

W. O. Popoola and Z. Ghassemlooy, BPSK subcarrier intensity modulated freespace optical communications in atmospheric turbulence, IEEE/OSA Journal of Lightwave Technology, vol.27, issue.8, p.967973, 2009.

T. Fath and H. Haas, Performance comparison of MIMO techniques for optical wireless communications in indoor environments, IEEE Transactions on Communication, vol.61, issue.2, p.733742, 2013.

J. J. Shynk, Probability, Random Variables, and Random Processes : Theory and Signal Processing Applications, 2012.

M. D. Renzo and H. Haas, Bit error probability of SM-MIMO over generalized fading channels, IEEE Transactions on Vehicular Communications, vol.61, issue.3, p.11241144, 2012.
URL : https://hal.archives-ouvertes.fr/hal-00732628

M. Chiani, D. Dardari, and M. K. Simon, New exponential bounds and approximations for the computation of error probability in fading channels, IEEE Transactions on Wireless Communications, vol.2, issue.4, p.840845, 2003.

R. Carmona and V. Durrleman, Pricing and hedging spread options, SIAM Review, vol.45, issue.4, p.627685, 2003.

H. Nistazakis, V. Assimakopoulos, and G. Tombras, Performance estimation of free space optical links over negative exponential atmospheric turbulence channels, Optik, vol.122, issue.24, p.21912194, 2011.

Q. Zhang, J. Cheng, and G. K. Karagiannidis, Block error rate of optical wireless communication systems over atmospheric turbulence channels, IET Communications, vol.8, issue.5, p.616625, 2014.

M. Elkashlan, Z. Ma, Y. Wang, M. Guizani, L. Shu et al., Green media : the future of wireless multimedia networks, IEEE Wireless Communications, vol.24, issue.4, p.1012, 2014.

N. D. Chatzidiamantis, D. S. Michalopoulos, E. E. Kriezis, G. K. Karagiannidis, and R. Schober, Relay selection in relay-assisted free space optical systems, Proceedings of IEEE Global Communications Conference, p.16, 2011.

J. A. Anguita, M. A. Neifeld, and B. V. Vasic, Spatial correlation and irradiance statistics in a multiple-beam terrestrial free-space optical communication link, Applied Optics, vol.46, issue.26, p.65616571, 2007.

E. Morgado, I. Mora-jimenez, J. J. Vinagre, J. Ramos, and A. J. Caamano, Endto-end average BER in multihop wireless networks over fading channels, IEEE Transactions on Wireless Communications, vol.9, issue.8, p.24782487, 2010.

T. Cao, P. Wang, L. Guo, B. Yang, J. Li et al., Average bit error rate of multi-hop parallel decode-and-forward-based FSO cooperative system with the max-min criterion under the gamma-gamma distribution, Chinese Optics Letters, vol.13, issue.8, 2015.

M. Feng, J. Wang, M. Sheng, L. Cao, X. Xie et al., Outage performance for parallel relay-assisted free-space optical communications in strong turbulence with pointing errors, Proceedings of International Conference on Wireless Communications and Signal Processing, p.15, 2011.

T. Riihonen, S. Werner, and R. Wichman, Rate-interference trade-o between duplex modes in decode-and-forward relaying, Proceedings of IEEE International Symposium on Personal, Indoor and Mobile Radio Communications, p.690695, 2010.

Y. Zhao, R. Adve, and T. J. Lim, Symbol error rate of selection amplify-andforward relay systems, IEEE Communications Letters, vol.10, issue.11, pp.757-759, 2006.

T. Fath and H. Haas, Performance comparison of MIMO techniques for optical wireless communications in indoor environments, IEEE Transactions on Communication, vol.61, issue.2, p.733742, 2013.

R. H. Louie, Y. Li, and B. Vucetic, Practical physical layer network coding for two-way relay channels : performance analysis and comparison, IEEE Transactions on Wireless Communications, vol.9, issue.2, p.764777, 2010.

P. Concus, D. Cassatt, G. Jaehnig, and E. Melby, Tables for the evaluation of ? 0 x ? e ?x f (x)dx by Gauss-Laguerre quadrature, vol.17, p.245256, 1963.

, Nodes and Weights of Gauss-Laguerre Calculator, 2015.

G. Soni and J. S. Malhotra, Impact of beam divergence on the performance of free space optical system, International Journal of Scientic Research Publication, vol.2, issue.2, p.15, 2012.

A. Mansour, Probabilités et statistiques pour les ingénieurs : cours, exercices et programmation. Hermes Science, 2007.

S. Haykin, Digital Communications, 1988.

J. , Proakis, Digital Communications, 1983.

A. P. Prudnikov, Y. A. Brychkov, and O. I. Marichev, More special functions, Integrals and Series, vol.3, 1990.