Date Added: Aug 2012
The demand for broadband services is growing IEEE sharply today. The traditional solutions to provide high speed broadband access is to use wired access technologies such as cable modem, Digital Subscriber Line (DSL), Ethernet and fiber optics. It is too difficult and expensive for carriers to build and maintain wired networks. Broadband Wireless Access (BWA) is flexible, efficient, and cost effective solution to overcome the problems. Relay station acting a capable role of extending the range of Base station for long distances in WiMAX networks.