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Evaluation of route diversity performances in millimeter-wave BFWA mesh networks by correlated multivariate gamma distributions

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4 Author(s)
Nomoto, S. ; KDD Kamifukuoka R&D Labs., Saitama, Japan ; Konishi, S. ; Nanba, S. ; Kishi, Y.

Broadband fixed wireless access (BFWA) systems have been considered as a promising approach for high-speed access networks. BFWA networks operating at millimeter-wave bands are appropriate for high-density deployment of a high capacity wireless access infrastructure, while there is inherent degradation of radio links due to rain attenuation, especially in tropical or subtropical regions. The authors have proposed a new system architecture of mesh wireless networks (Kishi, Y. et al., Proc. IEEE WCON2001, p.17-20, 2001) whose advantages include route diversity. This paper evaluates the diversity effect under the assumption that the rain attenuation of radio links can be approximated by gamma distributions. By using correlated multivariate gamma distributions, the diversity effect is quantitatively confirmed.

Published in:

Wireless Communication Technology, 2003. IEEE Topical Conference on

Date of Conference:

15-17 Oct. 2003