NDLI: Soft frequency reuse in large networks with irregular cell pattern: How much gain to expect?

Content Provider	IEEE Xplore Digital Library
Author	Lei Chen Di Yuan
Copyright Year	2009
Description	Author affiliation: Department of Science and Technology, Linköping University, SE-601 74 Norrköping, Sweden (Lei Chen; Di Yuan)
Abstract	Soft frequency reuse (SFR) has been proposed for enhancing cell-edge performance in OFDMA networks. Previous studies of SFR have used simulations over rather small networks having hexagon-shaped cells. In this paper, we examine the expected performance gain of SFR for networks in realistic radio environments and with irregular cell patterns. We define a performance metric that allows for fast assessment of expected gain of SFR over the service area of large networks. An optimization algorithm is used to tackle the resulting frequency allocation problem. Our approach enables SFR to go beyond the conventional schemes in terms of the number of sub-bands and power setting. We provide a thorough numerical study of SFR in large scale networks and investigate the performance trade-off between cell-edge and cell-center zones to illustrate pros and cons of SFR.
Starting Page	1467
Ending Page	1471
File Size	372709
Page Count	5
File Format	PDF
ISBN	9781424451227
e-ISBN	9781424451234
DOI	10.1109/PIMRC.2009.5450096
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2009-09-13
Publisher Place	Japan
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Throughput Interference Performance gain Large-scale systems Radio propagation Measurement Electronic mail Radio spectrum management Frequency conversion Long Term Evolution
Content Type	Text
Resource Type	Article

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