A local spatial average of a power delay profile is shown in Fig. 1. 0 dB...
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A local spatial average of a power delay profile is shown in Fig. 1. 0 dB -10 dB P,(x) -20 dB- -30 dB 0 Fig. 1 2 6. (μs) T (i) Determine the rms delay spread and mean access delay for the channel. (ii) If the channel is to be used with a modulation that requires an equalizer whenever the symbol duration T is less than 100, determine the maximum RF symbol rate that can be supported without requiring an equalizer. (iii) If a mobile traveling at 30 km/hr receives a signal through the channel, determine the time over which the channel appears stationary (or at least highly correlated). (b) Determine the CDF of a Rayleigh distributed envelope whose pdf is given as PR(r) = = exp(-20²), also find the percentage of time that a signal is 10 dB or more 02 below the rms value for a Rayleigh fading signal. Act Go A local spatial average of a power delay profile is shown in Fig. 1. 0 dB -10 dB P,(x) -20 dB- -30 dB 0 Fig. 1 2 6. (μs) T (i) Determine the rms delay spread and mean access delay for the channel. (ii) If the channel is to be used with a modulation that requires an equalizer whenever the symbol duration T is less than 100, determine the maximum RF symbol rate that can be supported without requiring an equalizer. (iii) If a mobile traveling at 30 km/hr receives a signal through the channel, determine the time over which the channel appears stationary (or at least highly correlated). (b) Determine the CDF of a Rayleigh distributed envelope whose pdf is given as PR(r) = = exp(-20²), also find the percentage of time that a signal is 10 dB or more 02 below the rms value for a Rayleigh fading signal. Act Go
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Related Book For
Income Tax Fundamentals 2013
ISBN: 9781285586618
31st Edition
Authors: Gerald E. Whittenburg, Martha Altus Buller, Steven L Gill
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