The channel coherence time
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The channel coherence time
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網頁If the modulation bandwidth exceeds the coherence bandwidth of the radio channel (i.e., frequency selective fading), modulation pulses are spread in time, causing ISI. An equalizer at the front end of a receiver compensates for the average range of expected channel amplitude and delay characteristics. 網頁(1) ANSWER (a) The coherence time is a measure of the correlation of the channels at separate times. The channels are strongly correlated within the coherence time and …
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網頁2024年1月9日 · ANSWER: Minimum time for change in magnitude and phase of the channel 67) Fading due to shadowing is a. Fading due to large obstructions b. Large … 網頁2024年12月20日 · Channel Coherence Time Date: 2009-07-13 Authors: Eldad Perahia, Intel Corporation Introduction • For features like beamforming, SDMA, etc. that require …
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