Optimization of assigned power and bandwidth in Macro-Femto cellular system using geometric programming

Fjolla Ademaj, Bujar Krasniqi

Research output: Conference proceeding/Chapter in Book/Report/Conference Paperpeer-review

Abstract

Femtocells are used to increase indoor coverage and network capacity of traditional macro BS deployments. Interference is key performance limiting factor in such heterogeneous mobile networks. In order to minimize the interference between macro- and femto base stations, we use a constrained optimization technique to optimally allocate bandwidth and power to macrocell and femtocell UEs. Matlab's CVX library is used to solve the optimization problem. Depending on the UEs' position from their serving base station (macro or femto) and their demand for higher data rates than minimum requirement data rate, the optimal power and bandwidth is assigned to each base station.
Original languageEnglish
Title of host publication2014 International Conference on Connected Vehicles and Expo (ICCVE)
PublisherIEEE Computer Society
Pages641-646
Number of pages6
ISBN (Print)978-1-4799-6728-5
DOIs
Publication statusPublished - 7 Nov 2014
Externally publishedYes
Event2014 International Conference on Connected Vehicles and Expo (ICCVE) - Vienna, Austria
Duration: 3 Nov 20147 Nov 2014

Publication series

Name2014 International Conference on Connected Vehicles and Expo (ICCVE)

Conference

Conference2014 International Conference on Connected Vehicles and Expo (ICCVE)
Period3/11/147/11/14

Keywords

  • Bandwidth
  • Interference
  • Optimization
  • Base stations
  • Mathematical model
  • Antennas
  • Attenuation

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