Communication Switching Techniques

Components and Principles Block diagram of switching system - Pulse and DTMF dialing - Signaling tones - Strowger switching with design examples - Principles of common control, Cross bar switching. Space Division and Time Division Switching Stored program control - Centralized and distributed SPC, 2 stage, 3 stage and N stage networks, Time division time and space switching, Time multiplexed time and space switching, Combination switching. Traffic Engineering Network traffic load and parameters, Grade of service and blocking probability, Modeling switching systems, Blocking models and loss estimates, Delay models and queue analysis. Digital Subscriber Access Integrated services digital network, High data rate digital subscriber loops, Digital loop carrier systems, Fiber in the loop, Voice band modems. Cellular Wireless Networks Principles of cellular networks, Frequency reuse, Channel assignment strategies, Handoff strategies, Cordless systems, Wireless local loop, Wireless application protocol Bluetooth : Overview, Radio specification, Base band specification, Link manager specification, Logical link control and adaptation protocol.