NDLI: Improving the performance of cell edge users with fractional coordinated fair scheduling

Content Provider	IET Digital Library
Author	Abiri, Majid Mehrjoo, Mehri
Abstract	In this study, the authors propose a fractional coordinated fair scheduling (FCFS) scheme for improving the performance of cell edge users in long term evolution (LTE-advanced) networks. To enhance the network spectral efficiency and reduce co-channel interference, they extend the inter-cell interference coordination technique for multi-sector cells. The sectors are coordinated in the sense that they are allowed to transmit simultaneously, if the neighbouring sectors co-channel interference is less than a threshold value. Accordingly, a coordinated scheduling scheme is proposed to transmit to a fraction of users, located in cell edges, with good channel conditions. The proposed scheme maintains fairness among the users using alpha-fair criterion. Furthermore, to reduce the computational complexity of the scheduling scheme, they propose a heuristic algorithm based on choosing an appropriate subset of users for scheduling computations. Performance evaluation of FCFS shows that the cell edge users’ throughput improves because of the spectral efficiency enhancement and interference reduction. Moreover, FCFS achieves a higher fairness index with respect to a non-coordinated fair scheme.
Starting Page	2315
Ending Page	2321
Page Count	7
ISSN	17518628
Volume Number	8
e-ISSN	17518636
Issue Number	Issue 13, Sep (2014)
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/iet-com/8/13
Alternate Webpage(s)	https://digital-library.theiet.org/content/journals/10.1049/iet-com.2014.0019
Journal	IET Communications
Publisher Date	2014-07-21
Access Restriction	Open
Rights Holder	© The Institution of Engineering and Technology
Subject Keyword	Alpha-fair Criterion Cell Edge User Cell Edges Cellular Radio Channel Condition Cochannel Interference Cochannel Interference Reduction Computational Complexity Reduction Electromagnetic Compatibility Fairness Index FCFS Scheme Fractional Coordinated Fair Scheduling Scheme Heuristic Algorithm Intercell Interference Coordination Technique Interference Interference Suppression Long Term Evolution LTE-advanced Network Mobile Radio System Multisector Cell Network Spectral Efficiency Performance Improvement Spectral Efficiency Enhancement Threshold Value
Content Type	Text
Resource Type	Article
Subject	Electrical and Electronic Engineering Computer Science Applications

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