A random-phase-assisted ray-tracing model and its verification with a spatio-temporal channel measurement in suburban micro-cellular environments

Zhu, Houtao; Fu, Jiye; Takada, Jun‐ichi; Araki, Kiyomichi; Masui, Hironari; Ishii, Hirotake; Sakawa, K.; Shimizu, Hiroyuki; Kobayashi, T.

doi:10.1109/rawcon.2000.881868

RAWCON 2000. 2000 IEEE Radio and Wireless Conference (Cat. No.00EX404)

DOI: 10.1109/rawcon.2000.881868

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A random-phase-assisted ray-tracing model and its verification with a spatio-temporal channel measurement in suburban micro-cellular environments

Houtao Zhu¹,

Jiye Fu²,

Jun‐ichi Takada³

et al.

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Spatio-temporal channel characterization in a suburban non line-of-sight microcellular environment

Takada

Zhu

et al. 2002

IEEE J. Select. Areas Commun.

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This paper reports a spatio-temporal channel characterization of a suburban non line-of-sight microcellular environment in which azimuth-delay profiles obtained by the experiment are compared with ray-tracing simulation. The results are statistically treated step by step to extract model parameters in order to characterize the spatio-temporal channel. The experimental results we obtain are used to improve the accuracy of the simulation process. We are able to obtain a very good agreement between the simulation and the experiment, with the exception of the exponential decay of the delay profile. The results presented in the paper can be directly used to implement the stochastic spatio-temporal channel model, based on the deterministic ray-tracing simulations. Index Terms-Land mobile radio propagation factors, multipath chanels, ray tracing. I. INTRODUCTION T HE RECENT progress of the high data-rate wireless communication systems, such as IMT-2000 and IEEE 802.11, is obvious. From the viewpoint of the radiowave propagation, however, these systems exhibit the following disadvantages. • In order to increase the data rate, the broadband channels are necessary. The carrier frequency needs to be increased for this purpose. However, both the free space path loss and the diffraction loss increase according to any increase in the frequency. • The channel spreading factor, , where is the maximum Doppler spread and is the maximum delay spread, also increases as a function of the carrier fre

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Spatio-temporal channel characterization in a suburban non line-of-sight microcellular environment

Takada

Zhu

et al. 2002

IEEE J. Select. Areas Commun.

Self Cite

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show abstract

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A random-phase-assisted ray-tracing model and its verification with a spatio-temporal channel measurement in suburban micro-cellular environments

Cited by 1 publication

References 4 publications

Spatio-temporal channel characterization in a suburban non line-of-sight microcellular environment

Spatio-temporal channel characterization in a suburban non line-of-sight microcellular environment

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