A review of optical wireless - What is it and what does if offer?

This article presents a broad review of the field of optical wireless, from early experiments through to the highperformance systems of today. Emphasi s is placed on understanding the benefits and limitations of optical wirele ss, all of which ultimately define the applications. Various systems are ex amined, each incorporating a different technological solution to suit the p articular application. Optical wireless technology has matured substantiall y in recent years and is now capable of delivering important benefits to mo dern-day telecommunications users.