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Traffic Protection Method in IP Radio Networks above 70 GHz

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3 Author(s)
Peric, D.B. ; Inst. of Microwave Tech. & Electron. IMTEL Komunikacije a.d., Belgrade, Serbia ; Peric, M.V. ; Todorovic, B.M.

Terrestrial radio signals at frequencies above 70 GHz are vulnerable to atmospheric absorption by rain. In order to prevent traffic loss in radio network, caused by finite duration of rerouting algorithm convergence, protection method based on pre-calculated backup routes is proposed. Using two-dimensional rain cell model, a performance analysis is held out for different rain parameters in network with adaptive modulation/capacity links. It is shown that under influence of moderate rain intensity, a network protected by proposed method can have performance very close to that of a rerouted network.

Published in:

Communications Letters, IEEE  (Volume:14 ,  Issue: 10 )