Suppose that the information frame (l-frames) size is nf=4096 (bytes). Including 25 bytes of overhead. The ACK frame size is 40 bytes. The propagation time (t prop) and processing time (t proc) are respectively 6ms and 5ms. The system transmission rate is R=5 Mbps. The probability that a single bit gets though with error is (l-q). Where q=0.999995. Let Pf be the probability that an l-frame needs to be retransmitted. Taking Pf into account. You need to determine the transmission efficiency N Suppose that the information frame (l-frames) size is nf=4096 (bytes). Including 25 bytes of overhead. The ACK frame size is 40 bytes. The propagation time (t prop) and processing time (t proc) are respectively 6ms and 5ms. The system transmission rate is R=5 Mbps. The probability that a single bit gets though with error is (l-q). Where q=0.999995. Let Pf be the probability that an l-frame needs to be retransmitted. Taking Pf into account. You need to determine the transmission efficiency N