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the binary exponential back-off algorithm is defined by IEE802thus:" The delay is an integral multiple of slot time. The numberof slot times to delay before the nth retransmission attempt ischosen as a uniformly distributed random integer r in the range0<r<2^k, where k=min(n,10)." slot time is ,roughly, twice theround-trip propagation delay. Assume that two stations always havea frame to send. After a collision, what is the mean number of retransmission attempts before on station successfully transmits?
You are designing a PCS base station that operates at 1800 MHz. The receiver is co-located on a tower with UHF police and business radio systems that operate at 450 MHz. Since the the 4th harmonic from the UHF system is directly in the PCS band
Desing a logic Circuit that receives an array X(4 bits:X1,X2,X3, and X4) and makes it available as an output O(4 bits: O1,O2,O3, and O4) after one clock delay, subject to the control of input signals : "a" and "b". If a=b=0, then the data is NOT t..
Developing secret codes has interested people for centuries. A simple coding scheme can be developed by replacing each character in a text file by another character that is a fixed number of positions away in the collating sequence.
Suppose a resistor whose value is equal to the motor resistance is connected across the motor terminals and the motor is spun at 200 RPMs. What will be the voltage measured across the motor terminals
An inverting amplifier with resistors R1= 5.6k and R2=120K is fabricated using an op amp with an open loop gain of 10^5. What is the percent difference between the actual gain and the ideal gain
A 345-kV, 3-phase transmission line delivers 100 MVA, 0.866 lagging, to a DELTA connected load. Calculate the following: a.) The total real and reactive power delivered to the load. b.) The real and reactive power per phase.
modify the Very Simple CPU to incorporate a new 8-bit register,R, and two new instructions. MVAC performs the transfer Râ†AC and has the instruction code 1110 XXXX; MOVR performs the operation ACâ†R and has the instruction code 1111 XXXX.
The analog signal cos (200t) is digitized using a sampling frequency of 300 Hz, and a quantization of 8 bits per sample. How many bits will be used to store 2 minutes of the digital signal
Suppose we have a causal LTI system with rational system function H(s). We don't know H(s), but we do have the following information: i. When the input to the system is x(t) = u(t), the output y(t) is absolutely integrable.
1) What type of chemical reaction is taking place 2) How many liters of 0.100 M HCl would be required to react completely with 5.00 grams of calcium hydroxide 3) If I combined 15.0 grams of calcium hydroxide with 75.0 mL of 0.500 M HC..
what is the shortest possible line length that would exhibit the desired reactance at its input?
The total power delivered to a balanced, Y-connected, three-phase load is 720 kW at a lagging power factor of 0.8. The line voltage at the load is 3463 V. The impedance of the transmission line is 2.5 + j10.2 ohm. a) Determine the line voltage at ..
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