In general, what is a potential drawback of 16-QAM compared to QPSK?
In general, what is a potential drawback of 16-QAM compared to QPSK?
i) The telephone line has 3400 Hz bandwidth. What is the maximum bit rate we can send using each of the following methods? Assume d=0 and no noise: ASK QPSK 16-QAM 256-QAM ii) Calculate the bit rate for the given baud rate and type of modulation: 1500 baud, FSK 1500 baud, ASK 1500 baud, QPSK 1500 baud, 16-QAM
Question 5 What is the main drawback of sterilization as compared to sterilization for a food product? It takes longer The high heat can break down molecules important to flavor It needs specialized containers It can leave some microbes behind Question 6 O ELE E 32
3 7 and 8 only please 3. (10) Design a 2 QPSK of different carries phases? a. Which type requires more energy transactions? (1)The bit rate of a signal is 3000. If each signal unit carries 10 bits, what is the baud rate? (1) Find the period of a 20 KHz signal. (3) What is the bit rate for a 1000-baud 32-QAM signal? 7. (5) What are the benefits of digital over analog communication? 8. (10) What Performance factor you...
2. The different types of modulation schemes have different distance between the transmitted signals. The distance for BPSK, QPSK, M-PSK, BFSK, and M-FSK is shown below. Modulation Scheme Minimum Distance between Constellation Points Bandwidth BPSK d=2./PT= 2/E B = 2f = 21 QPSK d=2/PTo = 2/E B = 2/3 = fo M-PSK d = 54€, sin? ) = 4.NE, sin? (75) B = 2f: = 2 16-QAM d = 2/0.4E BFSK d= 2E (Orthogonal BFSK) B = 45 M-FSK d...
Write the transmitted signal of QPSK ofs(t) for i-1, 2, 3, 4, and 0 t 2) Explain why this modulation scheme is called QPSK 3) If the transmitted signals are sent over an AWGN channel, what is the optimum receiver to minimize the probability of error in decoding the symbols? Write the transmitted signal of QPSK ofs(t) for i-1, 2, 3, 4, and 0 t 2) Explain why this modulation scheme is called QPSK 3) If the transmitted signals are...
Problem 2 Consider a general QAM scheme with transmitted symbol s(t) R { pulse shape p()71(7,/2). a(n) Apr(t - nT) exp (j2 fet)}, where the t-T./2 Let the constellation be a(n)e {2,-2,2j,-2j,0. 1. What is the appropriate matched filter to apply for this signal. Draw the optimum receiver 2. What is the average energy of the constellation, i.., E,? 3. Assume the the received signal is r(t)= s(t) +n(t), where n(t) is AWGN with variance 1. Find the error probability...
In general, what must be true of the water potential, solute potential, and pressure potential of soil and roots to allow water to diffuse from the soil into the roots?
Assume Rb=3 Mbps, QPSK signal Power =50 Watt. What will be Eb(Energy per bit) in joule
Embedded System Programming What are the benefits and what are the drawback of using hardware abstraction (HAL macros and fuctions),
Compared to an ideal battery, by what percentage does the battery's internal resistance reduce the potential difference across the 20 ohm resistor in the figure ?