COGNITIVE RADIO SYSTEMS

Cognitive Radio System is a form of wireless communication in which a transceiver detects the communication channels which are in use and which are not in use.

The Cognitive Radio Network (CRN) is broadly classified into two major networks, a primary network and a secondary network. Cognitive Radio users are unlicensed users and they used to find unused licensed spectrum for their own use without causing any interference to licensed users.Click here to continue reading

Broadband wireless communication

Wireless broadband:

Wireless broadband is nothing but a telecommunications technology which provides high-speed wireless Internet access or computer networking access over a good area. The term is both fixed and mobile broadband.The word “broadband” features a technical meaning, but it became a marketing term for any sort of relatively high-speed network or Internet access technology. Click here to continue reading