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Consider a cellular system with 1000 channels. The area of cell is 6 km^2 and the total area is 2100 km^2.
The system uses a 7-cell reuse pattern. If the offered traffic per user is 0.03 Erlangs and the average number of calls per hour per user is 1.5, for an Erlang-C system with a probability of delaying a call being 5%, calculate
(a) the traffic load per cell,
(b) the number of users per km^2 that can be supported by this system,
(c) the mean duration of a call,
(d) repeat the above calculations when the cluster size is increased to 9. Discuss the effects of cluster size on the service quality.
Assume a CDMA system has only 4 walsh codes. If the mobile is assigned W4 and receives a data stream of 11011010, what is the output?
The base class must also have a virtual print() function that displays the class name. Randomly assign print functions in three other classes that display the class name. Create 7 pointers of the base class and have them point to all the classes.
Write down the expression for the frequency-dependent open-loop gain of an operational amplifier. Sketch the magnitude of the open-loop gain of an operational amplifier as a function of frequency. Explain what is meant by a `single-lag' response o..
Determine the response of the system when aunit step is applied at input.
SR flip flop from D Flip flops, Show how to build a rising edge triggered SR flip-flop using a rising edge triggered D flip-flop and combinational logic.
In a typical mobile communications base station (or cell site), a radio frequency (RF) signal is amplified in the base station and then sent (over cable) to the antennas at the top of the tower.
Design a parallel resonance circuit with resonance frequency of 30kHz and bandwidth of 20kHz and plot its frequency response.
Energy of a moving charge, A region in space has an Electric field given by E = x(x^) - y(y^) + xy(z^) where (x^), (y^), (z^) indicate corresponding letter with caret on top of it.
Efficiency of MOSFET circuit provide in datasheets of any product is measured at transient state of my output node or staedy state?
Modulating Radio Frequency Carriers to Carry Digital Data, Digital radio transmission requires the use of a carrier wave which is modulated by the digital data.
A 35-year old female worker receives an x-ray exposure of 5.2 rad (whole-body) while carrying out emergency procedures in a nuclear accident. Discuss the health risks assumed by this worker as a result of the radiation exposure.
Use a chain of flip-flop to implement a shifter register
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