QoS-based radio network dimensioning for LTE networks with heavy real-time traffic

Ng, Thiaw Seng and Tan, Yi Fei and Chuah, Teong Chee (2014) QoS-based radio network dimensioning for LTE networks with heavy real-time traffic. International Journal of Communication Systems, 27 (11). pp. 2455-2480. ISSN 1099-1131

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Official URL: http://onlinelibrary.wiley.com/doi/10.1002/dac.244...

Abstract

Applications of video streaming and real-time gaming, which generate large amounts of real-time traffic in the network, are expected to gain considerable popularity in Long Term Evolution networks. Maintaining the QoS such as packet delay, packet loss ratio, median, and cell border throughput requirements in networks dominated by real time traffic, is critical. The existing dimensioning methodology does not consider QoS parameters of real-time traffic in network dimensioning. Moreover, exhaustive and time-consuming simulations are normally required to evaluate the performance and QoS of real-time services. To overcome this problem, we propose an improved radio network dimensioning framework that considers the QoS of real-time traffic in network dimensioning. In this framework, an analytical model is proposed to evaluate the capacity and performance of real-time traffic dominant Long Term Evolution networks. The proposed framework provides a fast and accurate means of finding the trade-off between system load, packet delay, packet loss ratio, required median, and cell border throughput. It also provides network operators with an analytical means for obtaining the minimum number of sites required by jointly considering coverage, capacity and QoS requirements. The accuracy of the proposed model is validated through simulations.

Item Type: Article
Subjects: T Technology > TA Engineering (General). Civil engineering (General)
Divisions: Faculty of Engineering (FOE)
Depositing User: Ms Suzilawati Abu Samah
Date Deposited: 24 Jan 2014 07:18
Last Modified: 09 Jan 2015 10:11
URI: http://shdl.mmu.edu.my/id/eprint/4986

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