IFT 372

True or False The FCC regulates prices, data sizes, and plans, including cell patterns and frequency reuse patterns - Answer-False True or False A communications network is a collection of switching nodes - Answer-True True or False A handoff (or handover) changes the routing of an ongoing voice call from one cell to another - Answer-True How many generations of cellular standards were developed to arrive at the modern day standard? - Answer-5 The SIM card does the following - Ans...

What is a logarithm? - Answer-A logarithm is an exponent based mathematical representation of a numerical value. What logarithmic base is used in digital communications? - Answer-Two How do you find a log2 value on a calculator that only has log10 functionality? (Hint: what is the formula?) - Answer-log2(a) = [log10(a) / log10(2)] What is the definition of a decibel? - Answer-A decibel is a mathematical representation of a power level on a logarithmic scale. a = 10lob(b), where a is th...

What is the chip rate for a direct sequence spread spectrum system that has 26 dB of processing gain and a data rate of 90 kbps? - Answer-Processing Gain = 10 log (Chip Rate / Data Rate) Given: Processing Gain = 26 dB; Data Rate = 90 kbps 10^(26/10) = Chip Rate / 90 kbps Chip Rate = 400 * 90 kbps = 36000 kbps = 30 Mbps What is the chip rate for a direct sequence spread spectrum system that has 23 dB of processing gain and a data rate of 50 kbps? - Answer-Processing Gain = 10 log (Chip Ra...

IFT 372 Collective Quiz B

IFT372 Practice Final Exam - Spring B 2017 (1).docx

IFT372_Practice_Mid-Term_Exam_-_Fall_B_