Question: Implement a baseband signal transmission and BPSK modulation / demodulation using Matlab. The input message is a binary (0, 1) random sequence with equal

The input message is a binary (0, 1) random sequence with equal

Implement a baseband signal transmission and BPSK modulation / demodulation using Matlab. The input message is a binary (0, 1) random sequence with equal probability, the bit rate is user-defined. You need to finish the following job: 1) Suppose a NRZ-coding and an ideal Nyquist channel without ISI for baseband transmission. Plot the input signal waveform, the output signal waveform after the Nyquist channel and the sampling sequence of the received signal. 2) Using BPSK to modulate the input message for passband transmission (The carrier frequency is user-defined). Plot the BPSK modulated input signal, the demodulated signal and the output message sequence. The project report will include: (1) No ISI criterion (2) BPSK modulation principle (3) Matlab M file. (4) Figures and corresponding description Congestion WindowSize Segments] 30 25 20 15 10 5 5 10 15 Transmission Round RTT a) During which transmission round interval(s) is TCP congestion avoidance active?During which transmission round interval(s) is TCP slow start active? When does TCP fast recovery start? b) At transmission round 1, 11 and 25, what are the values of ssthresh? 20 25 30 c) How many duplicate ACKS have been received by the end of transmission round 20? If the initial sequence number of the first segment is 1, what is the sequence number that is repeatedly ACKed in this duplicate ACK? (Compute this as a function of MSS, assuming all segments have a payload of exactly MSS bytes).

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