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Consider a system with BPSK modulation and 4 antennas at the receiver. Assume that the channels between the transmit antenna and the receive antennas are statistically independent Rayleigh fading channels and the MRC combination is used at the receiver. Given that the system BER is 10^-2 when the mean SNR is 3dB. If the mean SNR increases to 6dB, find the BER.
How to find the bit error rate?
You balanced a pump impeller by placing a 5 gram weight at a radius of 100 mm. The original vibration amplitude was 10 mm/s, and after adding the balancing weight, the vibration is 1 mm/s. The speed of the pump is 1500 rpm and the weight of the im..
Important information about Electrical Networks, Engine consumes 5kw of power and a reactive power of 2kvar at current of (3+j2) Amps.
If the resistance path from the wall outlet end of the neutral wire to ground is 23ohm. what is the voltage of that point (relative to ground) if a 26 W compact fluorescent bulb is connected to the outlet
(a) Identify the problem with this data. (b) How would the transmitter fix the problem. (Write down the sequence as it would be transmitted.) (c) What would the receiver do to the received bit sequence
How tall must the antennas be if the link operates on a frequency of 2.450Ghz, D1=5miles, D2=11miles, and the obstruction is 60 feet high?
Design a circuit to multiply a 2-bit unsigned magnitude binary number by 1, 2, 3, or 4 to produce a 4-bit output
Determine the phase angle between the inverter fundamental voltage,VC1, and grid side voltage such that the power delivered to the grid is 10 kW and the fundamental current leads VS by 150°. Calculate the reactive power to the grid and draw the ph..
if a 2.000Å (.2nm) photon interacts with the bound electron in an hydrogen atom (binding energy 13.6 eV) with a Compton collision. The electron moves forward in the same direction as the incident photon. It may be convenient to use hc 12408eV
Suppose that you wish to offer a voice over IP wireless service. The target packet error rate (or drop rate) is 10^3 and you determine that if the signal is confined to within a coherence band, about 20% of the packets are dropped due to fading.
Technician B says that the resistance of a copper wire decreases as its length increases. Which of the following statements is correct?
When unmodulated the carrier voltage is 75 volts peak. An information (modulating) signal of 15 KHZ with 5 volts peak amplitude causes a frequency deviation of 22.5 KHz. If the load resistor RL= 100 Ohms, determine the following Modulation index
Write the verilog code for a circuit that counts the number of 1s in a byte. Write the verilog code using a structural approach based on four Half-Adders, two 2-bit adders and one 3-bit adder. Write the test bench code to test the design.
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