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In a CDMA/CD network with a data rate of 20 Mbps, the maximum distance between station pair is found to be 2000 m then what is the minimum transmission time(in sec) for the network if the speed is 4 * 10 ^4 m/sec ?

 

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In CSMA/CD,

Transmission delay >= 2 * Propagation delay

Tt >= 2 * 2000/(4 * 10^4) sec

Tt >= 0.1 sec

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