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The definition of Pg is defined to be the rate of change of the PN chip rate to the data rate. What is the Pe or BER for:
a. An IS-95 CDMA DSSS with QPSK modulation system and assuming K = 20 users sharing the same 1.25MHz channel, if the maximum Eb/No of 7.8 dB is provided for each user and the PN code lengths are 32,678 chips ( 2E+15).
b. Using actual IS-95 2G system the provided bit rate is 9600 what it the BER vs. the lS-95 CDMA above
A) What is the rms current in the circuit B) The primary side of the transformer has 20 times as many turns as the secondary side. What is the rms voltage across the primary side of the transformers
An induction motor absorbs an apparent power of 500 kVA at a power factor of 75%, calculate the active and reactive power absorbed by the motor, what purpose does the reactive power serve
Compute the amount of time required to deliver 10 frames to the receiver with stop-and-wait flow control. Assume that all frames and ACKs are received correctly.
By that I mean, how does IM/IT help KL carry out day-to-day operations and transacting, how does it aid management processes, and does it enable KL product and service innovation?
The A/D converter has internal memory that can store up to 4x106 discrete samples. What is the maximum number of cycles of a 25 MHz analog sinewave that can be stored in the A/D converter's memory.
The Problem: An Electric Heater is connected to a constant 250-V source and absorbs 1000 W. Subsequently, this heater is connected to a constant 210 V source.
F(a,b,c,d) = Σ m(7, 11, 12, 14) + Σ d(0, 10) (a) Find all of the prime implicants of F'. (b) Find a minimum product-of-sums for F. Note: F' is specified in (a) and F in (b).
Design a 16 bit adder using both the ripple carry and CLA methods. Use 4-bit CLA blocks for the carry-lookahead design. Use only two-input logic gates in your design. Simulate the design using LogiSim at the logic gate level.
Consider a BPSK signal where each bit is represented by a triangular pulse with width T and height A. What is the "energy per bit" for this BPSK pulse with A=1V and T=0.002s
A) each charge is qual to q. Find the points in space at which the field intensity is zero. B) two charges are qual to q the third to 2q. show that the electric field intensity is zero only at infinity.
The transfer equation is V_out/V_in. if you factor the second order polynomial what are the two first order polynomials. How do these compare with the first order filter. Has the -3db changed.
An absolute encoder is to be used for measurements that require a minimum resolution of 0.05 minute or arc. What is the number of bits required to achieve the specified resolution
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