From what I can grab from your discussion is that your objective must be designing multiple Tx/Rx systems.Multiple transmitters/receivers (TX/RX) are used to improve the quality of intersatellite optical wireless communication system.
check the link. I think you can very efficiently relate it to your objectives.
http://www.google.co.in/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&cad=rja&uact=8&ved=0CCMQFjAAahUKEwii4ZHt79zGAhXBJKYKHUc0BTQ&url=http%3A%2F%2Fieeexplore.ieee.org%2Fxpls%2Fabs_all.jsp%3Farnumber%3D6148721&ei=qy6mVeLfLsHJmAXH6JSgAw&usg=AFQjCNEfuQH6DxR9nNdyNkqcINeCUhTRXQ&sig2=96LsSl7Ber4vfF6tUUQvbA&bvm=bv.97653015,d.dGY