EC > GATE 2026 > Channel Capacity
Let the relevant bandwidth (B) of a digital communication system be 1 MHz and kT = −174 dBm/Hz, where k is Boltzmann’s constant and ‘T’ is equivalent noise temperature of the receiver. The power (S) of signal received through an additive Gaussian channel is −80 dBm.
Which of the following options is/are TRUE about Shannon capacity (C) of the channel?
A
C = B
B
C = 2B
C
C > 3B
D
C < B

Correct :

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