Q. During the period of call, other users can share the same channel in FDMA.

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Q. The FDMA channel carries ____________ phone circuit at a time.

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Q. If the FDMA channel is not in use, it can be used by other users.

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Q. The bandwidth of FDMA channel is ______

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Q. The symbol time in FDMA systems is _________ thus intersymbol interference is ______

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Q. Due to _________ transmission scheme __________ bits are needed for overhead in FDMA systems.

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Q. Which of the following is not true for FDMA systems as compared to TDMA systems?

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Q. __________ is undesired RF radiation.

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Q. __________ is based on FDMA/FDD.

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Q. In US AMPS, 416 channels are allocated to various operators with 10 kHz guard band and channel between them is 30 kHz. What is the spectrum allocation given to each operator?

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Q. TDMA systems transmit in a continuous way.

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Q. Preamble contains __________

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Q. __________ are utilized to allow synchronization of the receivers between different slots and frames.

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Q. Which of the following is not true for TDMA?

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Q. Because of _______ transmissions in TDMA, the handoff process in __________

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Q. __________ synchronization overhead is required in TDMA due to _______ transmission.

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Q. TDMA allocates a single time per frame to different users.

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Q. ___________ of TDMA system is a measure of the percentage of transmitted data that contains information as opposed to providing overhead for the access scheme.

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Q. A TDMA system uses 25 MHz for the forward link, which is broken into radio channels of 200 kHz. If 8 speech channels are supported on a single radio channel, how many simultaneous users can be accommodated?

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Q. What is the time duration of a bit if data is transmitted at 270.833 kbps in the channel?

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