Bluetooth

BLUETOOTH Bluetooth allows two devices to be connected to each other wirelessly. The most common use of Bluetooth technology is in hands-free devices such as headsets used with mobile phones. Bluetooth technology can also be used to transfer data between two...

Satellite Communications

SATELLITE COMMUNICATIONS Orbits of satellite:  An orbit is the gravitationally curved path of an object around a point in space, for example the orbit of a planet around the centre of a star system, such as the Solar System. Orbits of planets are typically elliptical....

HANDOFF

HANDOFF A handoff refers to the process of transferring an active call or data session from one cell in a cellular network to another or from one channel in a cell to another. A well-implemented handoff is important for delivering uninterrupted service to a caller or...

Channel Assignment

Channel Assignment In radio resource management for wireless and cellular network, channel allocation schemes are required to allocate bandwidth and communication channels to base stations, access points and terminal equipment. The objective is to achieve...

Cellular Concept and Frequency Reuse

Cellular Concept and Frequency Reuse CELLULAR CONCEPT AND FREQUENCY REUSE In the cellular concept, frequencies allocated to the service are re-used in a regular pattern of areas, called ‘cells’, each covered by one base station. In mobile-telephone nets...

Code division multiple access

Code division multiple access Code division multiple access (CDMA) is a channel access method used by various radio communication technologies. CDMA is an example of multiple access, where several transmitters can send information simultaneously over a single...