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From GHN

Latest revision as of 20:28, 14 January 2013

Circuit Board used in a 1960's aircraft communication systems

Elements of communications systems, such as protocols, quality of service and routing are covered

Subcategories

• Cross layer design - a communications system design that transports feedback dynamically between layers, as opposed to a strict OSI model
• Data buses - a subsystem that transfers data between components of a computer
• MIMO - Multiple-Input and Multiple Output (pronounced me-moh), the use of multiple antennas at both the transmitter and receiver to improve performance
• Protocols - systems of digital message formats and rules for exchanging those messages
• Quality of service - or QoS, the ability of a communications system to provide priority to different applications or data flows and to guarantee a level of communication for services
• Routing - the process of selecting paths in a network to send network traffic
• Subscriber loops - also called the local loop, the physical link or circuit that connects from a customer's premises to the edge of the telecommunication system's network
• Switching systems - a system that allows the interconnection of various communication lines
• Synchronous digital hierarchy - or SDH, a standardized multiplexing protocol that transfers multiple bit streams over optical fibers, used primarily outside of North America
• Telecommunications - the transformation of information over significant distances
• Videophone systems - a system that combines telephones with video screens for communication
• Videotex - or interactive videotex, a form of end-user information system in the 1970s and 1980s that provided information to a user in pages of text on a television screen