2. Task (Matlab) 3 points Using the simulation program MATLAB/Simulink, a baseband transmission shall be established and analysed (Fig. 2). n(t) gs (t) receive filter B = source O uq(t) Figure 2: Resultant baseband transmission system Transmit and receive filters are designed as square-root raised-cosine filters with a roll-off factor of r = 0.5. As modulation format, a two-level bipolar transmission (i. e. s = 2) is selected. The data transmission speed is 5000 bit/s. Task: gef (t)
a) Determine the bandwidth of the transmitted signal! Answer:
b) Determine the half vertical eye opening! Answer: PR = ... p= sampling (symbol clock) UA=...
c) Determine the noise power at the decision point for a given input-side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB). Answer: (UA)² PR detector 2 BER= sink O â[k - ko] f
d) Determine the detection signal-to-noise ratio p = (UA)2/PR and the bit-error rate for two-level bipolar transmission in the AWGN channel. Select an appropriate input- side signal-to-noise ratio (e. g. 10 log10 (Es/Vo) = 10 dB)! Answer:​