Processing Gain and Probability of Error of Spread Spectrum

Quiz

Processing Gain & Probability of Error

Q.1) If spread spectrum comm. system has information bit duration 4.095 ms and PN chip duration 1 µs. What is Processing Gain & jamming  margin in decibels if  Eb/h= 10.

Q.2) Determine Jamming Margin of DSSS/BPSK system with processing gain 30dB and probability of error is 10^-4 in the presence of jamming.

Q.3)  If data rate is 6kbps and chip rate is 12kbps, what is Processing gain in decibels.

Q.4) If DSSS system transmitting binary data at the rate of 10kbps and has PN sequence generator with 5 shift register stages and clock frequency of 1 MHz. The processing gain of the system is

                a) 47dB                

                b) 30dB

                c) 20dB

                d)50dB



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