1. | Multiple access schemes are used to allow ________ mobile users to share simultaneously a finite amount of radio spectrum. |
Answer: (a).Many
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2. | The technique that makes possible the task of listening and talking in communication system is called ________ |
Answer: (b).Duplexing
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3. | Frequency division duplexing provides ________ distinct bands of frequencies for _________ user. |
Answer: (c).Two, one
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4. | The forward band in FDD provides traffic from the mobile to base station. |
Answer: (b).False
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5. | The frequency separation between each forward and reverse channel changes throughout the system. |
Answer: (b).False
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6. | Time division duplexing uses ________ to provide both a forward and reverse link. |
Answer: (b).Time
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7. | TDD is effective for _________ |
Answer: (a).Fixed wireless access and users are stationary
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8. | In wideband systems, the transmission bandwidth of a single channel _________ coherence bandwidth of the channel. |
Answer: (c).Larger than
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9. | In narrowband system, the channels are usually operated using TDD. |
Answer: (b).False
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10. | Narrowband FDMA allows users to share the same radio channel allocating a unique time slot to each user. |
Answer: (b).False
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