NDLI: Self-organised dynamic resource allocation scheme using enhanced fractional frequency reuse in long term evolution-advanced relay-based networks

Content Provider	IET Digital Library
Author	Mohamed, Ahmed S. Elnaby, Mohammed Abd Dolil, Sami A. El
Abstract	Inter-cell interference (ICI) from neighbouring cells is a major challenge that severely degrade the performance of cellular mobile communication systems, particularly for cell-edge users. An efficient technique to mitigate ICI is interference coordination. The most common ICI coordination technique is fractional frequency reuse (FFR). Furthermore in order to effectively improve cell-edge performance in terms of coverage extension and throughput, the third generation partnership project introduced the use of relays in long term evolution-advanced (LTE-A) networks. This paper presents a self-organized dynamic resource allocation scheme using enhanced FFR (SODRA-EFFR) which dynamically allocates resources to cell inner and outer regions in LTE-A relay-based networks. In this scheme, the downlink power and frequency resources allocation for cell inner and outer regions and the outer regions frequency resources allocation between evolved nodeBs (eNBs) and relay stations in each cell are dynamically allocated based on coordination between neighbouring eNBs and relay stations through LTE-X2 interfaces. The performance of the proposed scheme without and with relays is evaluated using MATLAB simulations and compared with different reference resource allocation schemes. Simulation results show that the proposed scheme improves cell-edge performance and achieves high degree of fairness among users’ equipment (UEs) compared with reference resource allocation schemes.
Starting Page	1163
Ending Page	1174
Page Count	12
ISSN	17518628
Volume Number	10
e-ISSN	17518636
Issue Number	Issue 10, Jul (2016)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/10/10
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2015.0859
Journal	IET Communications
Publisher Date	2016-07-01
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Cellular Mobile Communication System Cellular Radio Downlink Power Allocation EFFR ENB Enhanced Fractional Frequency Reuse Evolved NodeB Frequency Allocation ICI Coordination Technique ICI Mitigation Intercell Interference Mitigation Legislation, Frequency Allocation And Spectrum Pollution Long Term Evolution Long Term Evolution-advanced Relay-based Network LTE-X2 Interface MATLAB Simulation Message Passing Message Passing Approach Mobile Radio System Orthogonal Frequency Division Multiple Access Relay Network Relay-based LTE-A Network Resource Allocation Self-backhauling Radio Signal Self-organised Dynamic Resource Allocation Scheme Telecommunication User Equipment
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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