NDLI: Performance Analysis of a Reuse Partitioning Technique for OFDM Based Evolved UTRA

Content Provider	IEEE Xplore Digital Library
Author	Fodor, G.
Copyright Year	2006
Description	Author affiliation: Ericsson Res. (Fodor, G.)
Abstract	The current 3GPP working assumption on the evolved universal terrestrial radio access (E-UTRA) physical layer is that it will be based on single carrier frequency division multiple access (SC-FDMA) for the uplink and orthogonal frequency division multiple access (OFDMA) for the downlink. According to the concept specification, inter-cell interference mitigation techniques applicable to SC-FDMA and OFDMA systems are expected to be the key radio resource management techniques for E-UTRA. In this paper we propose and analyze a simple reuse partitioning technique (assuming coordinated sub-carrier allocation in the cells) that is able to minimize inter-cell interference. We propose a model that is able to take into account that sessions dynamically enter and leave the system. Rigid sessions require a class-specific fixed number of sub-carriers, while elastic sessions can enter the system if a minimum number of sub-carriers is allocated to them. In this rather general setting we analyze the system performance in terms of the expected number of sub-carrier collisions, the session blocking probabilities and the signal-to-noise-and-interference ratio performance. We present numerical results on the various trade-offs between these measures that provide insight into the behavior of OFDM based cellular systems and help dimension the parameters of a reuse partitioned system
Starting Page	112
Ending Page	120
File Size	321359
Page Count	9
File Format	PDF
ISBN	1424404762
ISSN	1548615X
DOI	10.1109/IWQOS.2006.250457
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2006-06-19
Publisher Place	USA
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Performance analysis OFDM Interference Resource management Frequency conversion Signal analysis Multiaccess communication Traffic control Road accidents Probability
Content Type	Text
Resource Type	Article

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