A Model to Determine the Propagation Losses Based on the Integration of Hata-Okumura and Wavelet Neural Models
2017 ◽
Vol 2017
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pp. 1-8
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Keyword(s):
Radioelectric spectrum occupancy forecast has proven useful for the design of wireless systems able to harness spectrum opportunities like cognitive radio. This paper proposes the development of a model that identifies propagation losses and spectrum opportunities in a channel of a mobile cellular network for an urban environment using received signal power forecast. The proposed model integrates the Hata-Okumura (H-O) large-scale propagation model with a wavelet neural model. The model results, obtained through simulations, show that the wavelet neural model forecasts with a high degree of precision, which is consistent with the observed behavior in experiments carried out in wireless systems of this type.
Keyword(s):
Keyword(s):
2009 ◽
Vol 5
(4)
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pp. 33-51
Keyword(s):
Keyword(s):
Keyword(s):
2020 ◽