%0 Book Section %T Cooperative MIMO and multi-hop relaying techniques for free-space optical communications: a survey %+ Lab-STICC_ENSTAB_CACS_COM %+ University of Tabuk %A Abaza, Mohamed %A Mesleh, Raed %A Mansour, Ali %A Aggoune, El-Hadi M. %@ 978-0-7503-1455-8 %B Advanced Secure Optical Image Processing for Communications %I IOP %P 3.1-3.19 %8 2018 %D 2018 %Z Engineering Sciences [physics] %Z Engineering Sciences [physics]/Signal and Image processingBook sections %X In this survey, first a historical background of new challenges in optical communication systems is given. Then, approaches to address recently raised problems by the wireless communication community are introduced, challenges encountered in real-life applications are described, and state of the art advances in optical free space communication (FSO) techniques are explained. %G English %L hal-01936602 %U https://ensta-bretagne.hal.science/hal-01936602 %~ UNIV-BREST %~ INSTITUT-TELECOM %~ ENSTA-BRETAGNE %~ CNRS %~ UNIV-UBS %~ ENSTA-BRETAGNE-STIC %~ ENIB %~ LAB-STICC %~ INSTITUTS-TELECOM