wireless local area network system employing free space optic communication link / by Zabih Ghassemlooy, author, Norsyahidatul Farah Nanyan, author, Teguh Prakoso, 1977-, author, Nadia Nawawi, author, Razali Ngah, author, Tharek Abdul Rahman, author, IEEE International Conference on Atennas, Propagation and System (2009: Johor)