Mobile Wireless Channel in Multipath Environments
Multipath Analysis and Channel Properties
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How do we send information over radio waves? How difficult it is to make a steady wireless channel while moving in a multipath environment. The principle is followed by a step-by-step description on how to turn the ideal case into a mobile wireless channel with a high bit rate and steady transmission line. In multipath analyzing, the book says the following; When 2 f Lmax 10 MHz-m, the received signal levels in LOS and NLOS is in a wideband fading region, where the fading depth becomes shallower and the levels follow neither Rayleigh nor Nakagami-Rice distributions. Multipath analysis model wa...
How do we send information over radio waves? How difficult it is to make a steady wireless channel while moving in a multipath environment. The principle is followed by a step-by-step description on how to turn the ideal case into a mobile wireless channel with a high bit rate and steady transmission line. In multipath analyzing, the book says the following; When 2 f Lmax 10 MHz-m, the received signal levels in LOS and NLOS is in a wideband fading region, where the fading depth becomes shallower and the levels follow neither Rayleigh nor Nakagami-Rice distributions. Multipath analysis model was proposed in a domain with space, frequency, and path axes. The correlation was derived and systematized as integrated correlation by combination with a directive wave term, frequency correlation and autocorrelation. A new parameter with user action is proposed. By proposing MIMO channel model with a propagation mechanism, the channel matrix was created and the correlation between each pairof matrix elements at one side and at both sides were derived in NLOS and LOS. The model could apply to simulate for the matrix eigenvalue with movement and BER performance with MIMO-OFDM etc..
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