NDLI: Graph colouring based fractional frequency reuse for enterprise femtocell networks

Content Provider	IET Digital Library
Author	Kim, Se Jin Cho, Il Kwon Sok, Chhorn Bae, Sang Hyun
Abstract	In this study, the authors propose a novel dynamic channel assignment scheme called graph colouring based fractional frequency reuse (GC-FFR) to improve system performance for the downlink of enterprise femtocell networks based on orthogonal frequency division multiple access with frequency division duplex. In order to mitigate co-tier interference from neighbour femtocell access points, the proposed GC-FFR scheme uses a heuristic method that consists of two steps: multiple femtocell user equipment (FUE) clustering step and dynamic subchannel assignment step. Simulation results show that the proposed GC-FFR scheme outperforms other schemes in terms of the mean FUE capacity and unsatisfied FUE probability.
Starting Page	1831
Ending Page	1837
Page Count	7
ISSN	17518628
Volume Number	11
e-ISSN	17518636
Issue Number	Issue 12, Aug (2017)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/11/12
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2016.0891
Journal	IET Communications
Publisher Date	2017-04-03
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Business Communication Channel Allocation Co-tier Interference Mitigation Combinatorial Mathematics Dynamic Channel Assignment Scheme Dynamic Subchannel Assignment Step Electromagnetic Compatibility Enterprise Femtocell Network Downlink Femtocellular Radio Frequency Allocation Frequency Division Duplex Frequency Division Multiple Access GC-FFR Scheme Graph Colouring Graph Colouring-based Fractional Frequency Reuse Heuristic Method Interference Interference Suppression Mean FUE Capacity Mobile Radio System Modulation And Coding Method Multiple Access Communication Multiple Femtocell User Equipment Clustering Step Multiple FUE Clustering Step Neighbour Femtocell Access Point OFDM Modulation Orthogonal Frequency Division Multiple Access Probability Statistics Unsatisfied FUE Probability
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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