Date Added: Apr 2012
The improvement in broadband and mobile communication technology provides good quality of services in voice and multimedia applications with high speed data connectivity, robust security and mobility. WiMAX (Worldwide Interoperability for Microwave Access) is a latest development and considered as a 4G (Fourth Generation) technology. It provides broadband and IP connectivity on "Last mile" scenario. It offers both line-of-sight and non-line-of-sight communication. In this paper, a review on WiMAX technology is carried out. WiMAX protocol including Physical (PHY) and Medium Access Control (MAC) layer with key features is also summarized.