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Diversity techniques for a free-space optical communication system in correlated log-normal channels

Mohamed Abaza 1 Raed Mesleh 2, 3 Ali Mansour 4 El-Hadi Aggoune 2
1 Lab-STICC_ENSTAB_CACS_COM ; IDM
STIC - Pôle STIC [Brest], Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance, SNCS - Sensor Networks & Cellular Systems, UBO - Université de Brest
2 SNCS - Sensor Networks & Cellular Systems
3 Electrical Depart.
4 Lab-STICC_ENSTAB_CACS_COM ; IDM
STIC - Pôle STIC [Brest], Lab-STICC - Laboratoire des sciences et techniques de l'information, de la communication et de la connaissance [Lorient]
Abstract : Performance analysis of free-space optical (FSO) communication systems in different channel conditions has gained significant attention in literature. Nevertheless, most existing studies consider uncorrelated channel conditions. An uncorrelated channel requires sufficient spacing between transmitters and limits the receiver field of view and link distance. However, this might not be feasible in all applications. Thereby, this paper studies repetition code (RC) and orthogonal space time block code (OSTBC) performance in correlated log-normal FSO channels using intensity modulation and direct detection. An approximate analytical expressions using moment generating function for the average bit error probability are derived. Our simulation results show that RCs are superior to OSTBCs in correlated channel conditions.
Keywords : repetition codes free-space optical communications atmospheric turbulence spatial diversity orthogonal space time block codes repetition codes.
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https://hal.univ-brest.fr/hal-00923801
Contributeur : Mohamed Abaza <>
Soumis le : samedi 4 janvier 2014 - 19:10:04
Dernière modification le : jeudi 19 décembre 2019 - 01:28:46
Document(s) archivé(s) le : vendredi 4 avril 2014 - 22:25:12

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INSTITUT-TELECOM | CNRS | UNIV-BREST | ENSTA-BRETAGNE-STIC | ENSTA-BRETAGNE | LAB-STICC_ENIB | ENIB | LAB-STICC

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Mohamed Abaza, Raed Mesleh, Ali Mansour, El-Hadi Aggoune. Diversity techniques for a free-space optical communication system in correlated log-normal channels. Optical Engineering, SPIE, 2014, 53 (1), pp.1-6. ⟨10.1117/1.OE.53.1.016102⟩. ⟨hal-00923801⟩

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