SolStd16 - CHAPTER 16 Cellular Telephone and Satellite...

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1 CHAPTER 16 Cellular Telephone and Satellite Networks Solutions to Odd-Numbered Review Questions and Exercises Review Questions 1. A mobile switching center coordinates communications between a base station and a telephone central office . 3. A high reuse factor is better because the cells that use the same set of frequencies are farther apart (separated by more cells). 5. AMPS is an analog cellular phone system using FDMA. 7. GSM is a European standard that provides a common second-generation technol- ogy for all of Europe. 9. The three orbit types are equatorial , inclined , and polar . 11. A footprint is the area on earth at which the satellite aims its signal. 13. Transmission from the earth to the satellite is called the uplink . Transmission from the satellite to the earth is called the downlink . 15. The main difference between Iridium and Globalstar is the relaying mechanism. Iridium requires relaying between satellites. Globalstar requires relaying between satellites and earth stations. 16.1
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SolStd16 - CHAPTER 16 Cellular Telephone and Satellite...

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