Performance Analysis of Cooperative Wireless Backhaul Networks Operating at Extremely High Frequencies |
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Authors: | Vasileios K Sakarellos Maria Chortatou Dimitrios Skraparlis Athanasios D Panagopoulos John D Kanellopoulos |
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Affiliation: | (1) School of Electrical and Computer Engineering, National Technical University of Athens, 9 Iroon Polytechniou Street, Athens-Zografou, GR-15780, Greece; |
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Abstract: | Extremely high frequency (EHF) bands above 50 GHz have been proposed to be used as backhaul links of modern cellular mobile
networks. They provide interconnectivity between the base stations and the core network. In this paper, we propose the employment
of cooperative techniques in backhaul networks. More specifically, the outage performance analysis of a simple cooperative
diversity system operating at EHF bands is presented. The destination node combines the direct link with the signal received
through a regenerative relay using selection combining. A combined statiform and convective model of rainfall rate for the
rain attenuation prediction is considered. The correlation properties and the joint statistics among the microwave paths are
also calculated. Numerical results present the impact of the geometrical parameters and the climatic conditions on the outage
performance. |
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