Question: There is a system for modulating data QPSK and OQPSK. Suppose that data of [1000111001] is input at a bit rate of Rb =

There is a system for modulating data QPSK and OQPSK. Suppose that data of [1000111001] is input at a bit rate of Rb = 1 kbps. (a) Find the phase of the b_o(t) and b_e(t) and the QPSK modulated output signal in 1 msec intervals in a QPSK system with the structure shown in Figure. Indicate where the 180 phase transition occurs. (b) Repeat the process in (a) for the OQPSK system. You ID Tb b(t) SQPSK(t) B,(1) S/P T, 2T, b.(t) s -90 Acos2xfet 0 Asin2x/ Asin2xfet 2T Acos2xfet dt 90 27, a transmitter di $BPSKI(1) #g(t) SBPSK2(1) 9 (1) X 2Th +7 27 Receiver QPSK System 1 Ave 0 DE BETOFPR(3), 17 TORN (10) SQPSK (1) b P/S br There is a system for modulating data QPSK and OQPSK. Suppose that data of [1000111001] is input at a bit rate of Rb = 1 kbps. (a) Find the phase of the b_o(t) and b_e(t) and the QPSK modulated output signal in 1 msec intervals in a QPSK system with the structure shown in Figure. Indicate where the 180 phase transition occurs. (b) Repeat the process in (a) for the OQPSK system. You ID Tb b(t) SQPSK(t) B,(1) S/P T, 2T, b.(t) s -90 Acos2xfet 0 Asin2x/ Asin2xfet 2T Acos2xfet dt 90 27, a transmitter di $BPSKI(1) #g(t) SBPSK2(1) 9 (1) X 2Th +7 27 Receiver QPSK System 1 Ave 0 DE BETOFPR(3), 17 TORN (10) SQPSK (1) b P/S br

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