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IEICE TRANSACTIONS on Communications

A Ray-Tracing-Based Characterization and Verification of the Spatio-Temporal Channel Model for Future Wideband Wireless Systems

Houtao ZHU, Jun-ichi TAKADA, Kiyomichi ARAKI, Takehiko KOBAYASHI

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Summary :

A proper design and analysis of future wideband wireless communication systems require an accurate radio channel model. This model is claimed to characterize both the spatial and temporal channel characteristics. This paper investigates the spatio-temporal channel modeling based on a ray-tracing approach. The temporal channels are characterized by a delay profile. The statistical median and fading-fluctuation range of delay profiles are predicted from ray tracing by incorporating the random phase approach. A high level of agreement between predicted results and measured ones is observed in the verification. The spatio-temporal channel impulse response (CIR) predicted from ray tracing is also transformed to have limited band-width and limited beam-width characteristics. The applicability of this transformation is also verified by the comparison with measurement. These verifications prepare the ground for the use of ray-tracing approaches to evaluate system performance in real environments.

Publication
IEICE TRANSACTIONS on Communications Vol.E84-B No.3 pp.644-652
Publication Date
2001/03/01
Publicized
Online ISSN
DOI
Type of Manuscript
PAPER
Category
Antenna and Propagation

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