Video-Based Spatial-Optical System for Wireless Communication

by Xin Lin & Hideo Itoh SPIE Newsroom, accessed 8 Sep 2006 Radio and ray are complementary transmission media, and different applications favor the use of one medium or the other. Radio is favored for applications in which user mobility must be maximized or where transmission though walls or over long range is required. For indoor and wireless local-area networks, however, spatial optical communication is an attractive, safe alternative. A number of indoor wireless communications systems using infrared radiation have been proposed. Read more