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...Module iv multiplexing space division frequency wave length time characteristics digital carrier system sonet sdh statistical cable modem code multiple access cdma to refer the combination of information streams from sources for transmission over a shared medium aim is share scarce resource example in telecommunications several telephone calls may be carried using one wire each sender communicates with single receiver all pairs multiplexor combines senders such way that demultiplexer can separate receivers there are four basic approaches have set variations and implementations fdm wavelength wdm tdm cdm widely used form optical fiber mathematical approach cell phone mechanisms signal which involves assigning non overlapping ranges different signals or user achieves combining into by sending distinct translation speech band hz higher channel translated hand then channels combined multiplexed lecture note mr sarath v sankaran jcet stacked at intervals khz provide guard between adjacent a...