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M.Tech / M.E / PhD Thesis | Electronics & Communication Engineering | India | Volume 7 Issue 12, December 2018 | Popularity: 6.9 / 10

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Analytical Model of Heterogeneous Cell under Traffic Environment

Sweta Kumari Barnwal

Abstract: This paper explains how the heterogeneous networks with small cells have been widely used to increase the capacity of mobile systems. On increasing demand for broadband service, at least in hot-spot areas, in todays wireless communication is causing cellular network providers to consider the integration of 3G cellular systems and wireless LAN. This has the particular advantages of high data rates and unlicensed spectrum. With the establishment of heterogeneous network structure, the statistical characteristics of both strongest interference and overall interference are analyzed, we get the statistical characteristics of the strong interference and the total interference, so as to determine the total interference is determined by the strong interference and the relationship between them is established, and the related model is established. Finally, the analytical conditions on the interference system model parameters are derived and the distributions are determined, on which the statistical properties of total interference power can be accurately modelled by several strong interference. Here an analytical model is developed for the evaluation of Heterogeneous cell (integrated 3G/WLAN) networks with multi-rate traffic. For analysis of handover traffic rates a network topology is used. Blocking probabilities, dropping probabilities as well as some interesting performance measures are derived and calculated. Both analysis and numerical results show that the performance of the 3G networks is significantly increased when the integrated 3G/WLAN network is deployed and that the performance of integrated 3G/WLAN network is improved greatly when the WLANs are in the hot-spot areas.

Keywords: 3G, heterogeneous small-cell networks, QoS, WLAN, handoffs, UMTS, Hotspot,

Edition: Volume 7 Issue 12, December 2018

Pages: 737 - 743

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