A Temporal Millimeter Wave Propagation Model for Tunnels Using Ray Frustum Techniques and FFT

A temporal millimeter wave propagation model for tunnels is presented using ray frustum techniques and fast Fourier transform (FFT). To directly estimate or simulate effects of millimeter wave channel properties on the performance of communication services, time domain impulse responses of demodulat...

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Bibliographic Details
Published inInternational journal of antennas and propagation Vol. 2014; no. 2014; pp. 1 - 9
Main Authors Byun, Woo-jin, Choi, Hyo Hyun, Lee, Haengseon, Kim, Hayeon, Kwon, Choonghyen, Kim, Kwangseon
Format Journal Article
LanguageEnglish
Published Cairo, Egypt Hindawi Publishing Corporation 01.01.2014
Hindawi Limited
Wiley
Subjects
Algorithms
Antennas
Bandwidths
Channels
Computation
Estimates
Fourier transforms
Frustums
Millimeter waves
Optics
Propagation
Receivers & amplifiers
Regression analysis
Studies
Temporal logic
Transmitters
Tunnels (transportation)
Wave propagation
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Summary:A temporal millimeter wave propagation model for tunnels is presented using ray frustum techniques and fast Fourier transform (FFT). To directly estimate or simulate effects of millimeter wave channel properties on the performance of communication services, time domain impulse responses of demodulated signals should be obtained, which needs rather large computation time. To mitigate the computational burden, ray frustum techniques are used to obtain frequency domain transfer function of millimeter wave propagation environment and FFT of equivalent low pass signals are used to retrieve demodulated waveforms. This approach is numerically efficient and helps to directly estimate impact of tunnel structures and surfaces roughness on the performance of millimeter wave communication services.
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ISSN:1687-5869
1687-5877
DOI:10.1155/2014/172924