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Statistical Multipath Propagation Modeling for Broadband Wireless Systems
IEICE TRANSACTIONS on Communications
Publication Date: 2007/03/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: INVITED SURVEY PAPER
broadband wireless, multipath propagation, propagation model, UWB angular power profile,
Full Text: FreePDF
This paper surveys and introduces propagation studies and models that are expected to contribute to the development of broadband wireless systems. The survey focused on theory-based propagation models, experimental measurement data useful for modeling, and transmission characteristic evaluations using propagation models. The survey did not attempt to cover all papers in the research fields, but rather took key papers for various relevant subjects and described them in some detail. The basic characteristics of multipath propagation are summarized from the viewpoints of narrow-band (NB), wide-band (WB), and ultra wide-band (UWB). Recent studies on spatio-temporal propagation models and the relationship between models and systems are introduced. To clarify the relationship between OFDM, which is a representative of wideband data transmission schemes, and wave propagation factors, problems due to large delay spread and large Doppler spread are highlighted. Finally, studies on UWB propagation measurement and propagation models are introduced.