NDLI: Interference aware resource allocation for LTE uplink transmission

Content Provider	IEEE Xplore Digital Library
Author	Kai Yang Martin, S. Yahiya, T.A.
Copyright Year	2014
Description	Author affiliation: Lab. de Rech. en Inf., Univ. of Paris-Sud, Paris, France (Kai Yang; Martin, S.; Yahiya, T.A.)
Abstract	In this paper, we investigate a multi-cell Long Term Evolution (LTE) uplink resource allocation problem to mitigate the inter-cell interference based on interference graph, in which the vertices represent the user equipments (UEs) and the edges represent critical interference relations between the UEs. Besides, to avoid increasing the overhead of LTE system, we derive the interference graph based on the channel statistics of cellular links. Given that the uplink resource allocation is NP-hard, two heuristic algorithms are proposed to give solutions with reasonable complexity. The first one is centralized algorithm based on the global interference graph, and the other one is distributed algorithm based on local interference graph. Both the centralized and distributed algorithms can mitigate the inter-cell interference evidently. We show by simulations that the centralized algorithm outperforms the distributed one in terms of throughput and fairness at the cost of higher overhead and complexity. As well, simulation results show that the cell-edge throughput improvements of the algorithms are more than 100% compared with improved riding peaks algorithm and the fairness factors are greater than 0.88.
Starting Page	1
Ending Page	6
File Size	325118
Page Count	6
File Format	PDF
ISBN	9781479942770
DOI	10.1109/ISCC.2014.6912475
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2014-06-23
Publisher Place	Portugal
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Interference Resource management Heuristic algorithms Uplink Measurement Complexity theory Throughput interference graph LTE resource allocation inter-cell interference
Content Type	Text
Resource Type	Article

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3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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