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صفحه اصلی
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بیست و نهمین کنفرانس مهندسی برق ایران
The dimensioning of 5G networks using stochastic geometry
نویسندگان :
Siminfar Samakoush Galougah
1
Mahdi Mozaffaripour
2
1- صنعتی امیرکبیر (پلی تکنیک تهران)
2- پژوهشگاه نیرو
کلمات کلیدی :
OFDMA, dimensioning, stochastic geometry
چکیده :
Abstract—In this paper, we propose an analytical model for dimensioning of Orthogonal Frequency Division Multiple Access (OFDMA) systems in 5G networks by considering Internet of Thing (IoT) application using stochastic geometry. In these systems, some communication will be lost when the number of required subcarriers is greater than the number of available subcarriers. We compute the upper bound of the lost communication probability for downlink. In such a system, the position of receiving users is modeled by the Poisson point process. The number of subcarriers dedicated to each user depends on its Signal to Noise Ratio (SNR), position and the shadowing, hence for calculating the number of subcarriers, it is needed to use stochastic geometry. Multigroup user system with each group of users having its own application and throughput requirement is considered. For having dimensioning in terms of subcarriers, we present concentration inequality for functions defined on the Poisson point processes to calculate the upper bound of loss probability. The performance of the upper bound in different range of user intensity is investigated.
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