Q. Each satellite of the Iridium system is at an altitude of

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Q. Teledesic has

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Q. The term that is used to design to provide communication in between two moving units is called

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Q. The mobile station moves from one cell to another during a

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Q. Satellite network is a combination of

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Q. Middle Earth Orbit (MEO) are located at altitude in between

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Q. In cellular telephony each slot holds

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Q. The Iridium System was halted in 1999 due to

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Q. AMPS is an analog cellular phone system using

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Q. AMPS uses FDMA to divide each 25-MHz into

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Q. Low Earth Orbit (LEO) satellites can be divided into

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Q. Under new ownership, the iridium system re-started in

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Q. LEO stands for

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Q. In Global Service for Mobile (GSM), each band is 25 MHz in width, shifted toward

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Q. The numbers in the cells defines the

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Q. The third-generation Cellular Telephony, concept started in

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Q. In Teledesic System, the orbits are at an altitude of

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Q. Low Earth Orbit (LEO) is below an altitude of

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Q. In cellular telephony, the radius of a cell is typically

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Q. A multiframe of Global Service for Mobile (GSM) has a duration of

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