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Qos and network performance estimation in heterogeneous cellular networks validated by real-field measurements

Published: 21 September 2014 Publication History

Abstract

Mobile network operators observe a significant disparity of quality of service (QoS) and network performance metrics, such as the mean user throughput, the mean number of users and the cell load, over different network base stations. The principal reason being the fact that real networks are never perfectly hexagonal, base stations are subject to different radio conditions, and may have different engineering parameters. We propose a model that takes into account these network irregularities in a probabilistic manner, in particular assuming Poisson spatial location of base stations, log-normal shadowing and random transmission powers. Performance of base stations is modeled by spatial processor sharing queues, which are made dependent of each other via a system of load equations. In order to validate our approach, we estimate all the model parameters from the data collected in a commercial network, solve it and compare the spatial variability of the QoS and performance metrics in the model to the real network performance metrics. Considering two scenarios: downtown of a big city and a mid-size city, we show that our model predicts well the network performance.

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Cited By

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  • (2020)Dynamic-TDD interference tractability approaches and performance analysis in macro-cell and small-cell deploymentsAnnals of Telecommunications10.1007/s12243-020-00781-4Online publication date: 29-Aug-2020
  • (2019)Performance Analysis of Cellular Networks With Opportunistic Scheduling Using Queueing Theory and Stochastic GeometryIEEE Transactions on Wireless Communications10.1109/TWC.2019.294093818:12(5952-5966)Online publication date: Dec-2019
  • (2017)Fine-grained LTE radio link estimation for mobile phones2017 IEEE 18th International Symposium on A World of Wireless, Mobile and Multimedia Networks (WoWMoM)10.1109/WoWMoM.2017.7974286(1-9)Online publication date: Jun-2017
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cover image ACM Conferences
PE-WASUN '14: Proceedings of the 11th ACM symposium on Performance evaluation of wireless ad hoc, sensor, & ubiquitous networks
September 2014
118 pages
ISBN:9781450330251
DOI:10.1145/2653481
Permission to make digital or hard copies of all or part of this work for personal or classroom use is granted without fee provided that copies are not made or distributed for profit or commercial advantage and that copies bear this notice and the full citation on the first page. Copyrights for components of this work owned by others than ACM must be honored. Abstracting with credit is permitted. To copy otherwise, or republish, to post on servers or to redistribute to lists, requires prior specific permission and/or a fee. Request permissions from [email protected]

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Published: 21 September 2014

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Author Tags

  1. LTE
  2. QoS
  3. cell load
  4. heterogeneous wireless cellular networks
  5. hsdpa
  6. measurements
  7. poisson

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PE-WASUN '14 Paper Acceptance Rate 9 of 52 submissions, 17%;
Overall Acceptance Rate 70 of 240 submissions, 29%

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Cited By

View all
  • (2020)Dynamic-TDD interference tractability approaches and performance analysis in macro-cell and small-cell deploymentsAnnals of Telecommunications10.1007/s12243-020-00781-4Online publication date: 29-Aug-2020
  • (2019)Performance Analysis of Cellular Networks With Opportunistic Scheduling Using Queueing Theory and Stochastic GeometryIEEE Transactions on Wireless Communications10.1109/TWC.2019.294093818:12(5952-5966)Online publication date: Dec-2019
  • (2017)Fine-grained LTE radio link estimation for mobile phones2017 IEEE 18th International Symposium on A World of Wireless, Mobile and Multimedia Networks (WoWMoM)10.1109/WoWMoM.2017.7974286(1-9)Online publication date: Jun-2017
  • (2015)Performance laws of large heterogeneous cellular networks2015 13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)10.1109/WIOPT.2015.7151124(597-604)Online publication date: May-2015
  • (2015)What frequency bandwidth to run cellular network in a given country? — A downlink dimensioning problem2015 13th International Symposium on Modeling and Optimization in Mobile, Ad Hoc, and Wireless Networks (WiOpt)10.1109/WIOPT.2015.7151119(560-567)Online publication date: May-2015

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