Adjustment of Cost231 Walfisch-Ikegami model for HSPA&amp;#x002B; in Tunisian urban environments

Belhadj, Nesrine; Oueslati, Basma; Aguili, Taoufik

doi:10.1109/wswan.2015.7210330

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2017

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“…It is assumed that the reception devices could receive the lowest power from the base stations. Each station has a coverage area, which could be calculated by some kind of propagation models such as Okumura-Hata [3] , ITU [4] , COST231 [5] and so on. In this paper, the Okumura-Hata propagation model is used to calculate the coverage area of the 7 base stations.…”

Section: System Modelmentioning

confidence: 99%

TV White Space Database and Augmented Sensing Algorithmic Research

Sun¹,

Zhang²,

Jin³

2017

dtmse

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Although the space resources are rather scarce, the research shows that the spectrum efficiency of the current spectrums is very low in China. This article presents an available method to construct TV white space database and an efficient augmented sensing algorithm based on the database. The goal is to sense the spectral distribution at a given location. To verify the proposed method is feasible, we only take a fixed area into account. In this paper, we selected some of the cellular-base-stations in an urban area to construct the database, and we can get the spectral distribution of an arbitrary location in the city. The results show that our database can give a quick response once a request comes, and it can display the accurate spectrum distribution of the area.

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Section: System Modelmentioning

confidence: 99%