Q. Frequency diversity is implemented by transmitting information on more than one ___________

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Q. Frequency diversity uses ________ as a diversity element.

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Q. Frequency diversity is good for low traffic conditions.

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Q. Time diversity repeatedly transmits information at time spacings that exceed ___________

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Q. In maximal ratio combining, the output SNR is equal to __________

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Q. In CDMA spread spectrum systems, chip rate is less than the bandwidth of the channel.

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Q. A RAKE receiver collects the __________ versions of the original signal.

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Q. RAKE receiver uses separate _________ to provide the time shifted version of the signal.

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Q. Each correlation receiver in RAKE receiver is adjusted in ____________

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Q. The range of time delays that a particular correlator can search is called ________

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Q. RAKE receiver is used for _______ technique.

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Q. A RAKE receiver uses __________ to separately detect the M strongest signals.

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Q. In a RAKE receiver, if the output from one correlator is corrupted by fading, all the other correlator’s output are also corrupted.

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Q. A RAKE receiver uses __________

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Q. Interleaving is used to obtain ___________ diversity.

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Q. In block codes, parity bits are ___________ to block of messages.

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Q. How many redundant bits are added in block codes for k information bits and n code bits?

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Q. For (n,k) block codes, rate of the code is defined as __________

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Q. The ability of the block code to correct errors is a function of __________

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Q. The weight of code is given by number of _______

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