HW2s

HW2s - 1) RTTL+nRTTR+2RTTH 3) 376.287 ...

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Unformatted text preview: 1) RTTL+nRTTR+2RTTH 3) 376.287 m/(RTTL+nRTTR+2RTTH) 2) a)6RTTH b)4RTTH c)4RTTH 4) Refer to the slides and lectures. The output rate is 0.18 Mbps 5) 100dB, 10^^10, 66.4kbps 6) sender: 0110111011111011111000110111110100101 receiver: 0110111011111111110011011111100101 Any case with 7 consecutive 1s implies error 7) 16KBd, 32GBd, 20KBd 8) 3Kbps, 16Kbps, 75Kbps 9) | 1 | 0 | 1 | 0 -------------01110100 |0 10) Sender Receiver Frame 1 Timeout Frame 1 Ack 1 Frame 2 Ack 0 Frame 3 Timeout Frame 3 Ack 1 Frame 4 Frame 4 Timeout Ack 0 Frame 5 Ack 1 Frame 6 Frame 6 Timeout Ack 0 Frame 7 Ack 1 Frame 8 Ack 0 Frame 9 Frame 9 Timeout Ack 1 Frame 10 Frame 10 Dropped Timeout Ack 0 10Frame/25RTT 11) 400Mbps 12) Without any overhead it’s 672*64Kbps, however due to framing overhead, the bit rate at the output is higher (44.73Mbps) 13) a) 126 b) 500frames/sec 14)Sender end: 1 1 1 0 1 1 1 1 1 Code word 1110010110100001 Receiver end: 1 1 1 0 1 1 1 1 1 c) 2 ms d) 63kbps 1 1 0 0 1 0 1 1 1 0 1 1 1 0 0 0 1 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 0 1 1 1 0 0 0 0 0 1 1 1 0 1 0 0 1 1 0 1 1 0 1 0 0 1 1 1 0 0 0 0 0 0 1 0 0 1 1 1 1 0 0 1 0 1 1 1 0 1 1 1 0 0 0 1 1 1 0 1 1 0 1 1 1 1 1 1 0 1 1 1 0 0 0 0 0 1 1 1 1 1 1 1 0 1 1 1 0 0 0 0 0 1 1 1 0 1 0 0 1 1 0 1 1 0 1 0 0 1 1 1 0 0 0 0 0 0 1 1 1 1 0 15) sender end: X11+ X7+ X5+ 4 3 2 X + X +X + 1 X15+ X14+ X13+ X15+ X14+ X13+ Code word 1110010110100001 Receiver end: X4+ X3+X2+ 1 X11+ X15+ X15+ X7+ X14+ X14+ X5+ X13+ X13+ X3+ X10+ X11 X11+ X11+ 1 X8+ X10+ X10+ X7+ X8+ X9+ X9+ X9+ X5 X7+ X7 X8+ X8+ X3+ X10+ X11 X11+ X11+ X2+ X8+ X10+ X10+ 1 X7+ X8+ X9+ X9+ X9+ X5+ X7+ X7 X8+ X8+ X5 X5 X7+ X7 X7+ X5 X6+ X6+ X6+ X5+ X5+ X5+ X4+ X4+ X3 X3 X4+ X3+ X3+ X2 X2 X2+ 1 1 1 X5+ X5+ X7+ X7+ X7+ 1 1 X5 1 X6+ X6+ X6+ X5+ X5+ X5+ X4+ X4+ X3 X3+ X4+ X3+ X3+ 1 X2 X2+ X2+ 1 1 0 ...
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This note was uploaded on 08/27/2011 for the course EE 450 taught by Professor Zahid during the Summer '06 term at USC.

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