Q. In which technique is phase coherence hard to maintain?

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Q. Which type of demodulator is used in the frequency hopping technique?

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Q. Robustness gives the inability of a signal to withstand the impairments.

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Q. Chips are the

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Q. Slow frequency hopping is

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Q. Fast frequency hopping is

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Q. Which duration is shorter?

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Q. Acquisition is a process of bringing two spreading signals into _______ alignment.

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Q. Tracking maintains the possible waveform ______ alignment using a feedback loop.

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Q. Acquisition can be of ______ type.

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Q. Uncertainty in the distance between transmitter and receiver translates into uncertainty in

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Q. Acquisition uses ______ likelihood algorithm for acquiring the code.

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Q. Acquisition can be accomplished ________ as all possible codes are examined ______

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Q. Matched filter does ______ search.

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Q. How many correlators are used for despreading and code tracking function?

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Q. Which has worse signal to noise performance?

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Q. In the case of direct CDMA, interference will occur if the PN codes are

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Q. If the active users using a cell doubles, the required Eb/I0

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Q. In CDMA ______ frequency reuse is possible.

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Q. Bandwidth efficiency improvement involves

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