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Increasing Throughput and QoS Using Bandwidth and Region Division with Frequency Overlay over Multicell Environments
Taegeun OH
Sanghoon LEE
Gye-Tae GIL
Publication
IEICE TRANSACTIONS on Communications Vol.E92-B No.1 pp.85-92
Publication Date: 2009/01/01
Online ISSN: 1745-1345
Print ISSN: 0916-8516
Type of Manuscript: Special Section PAPER (Special Section on Networking Technologies for Dependable Networks)
Category:
Keyword:
sectorization,
reuse partitioning,
frequency overlay,
interference avoidance,
outage probability,
Full Text: PDF(481.3KB)
Summary:
A cell planning and resource allocation scheme called EBRD (Enhanced Bandwidth and Region Division) is presented for improving channel capacity and for maintaining a proper QoS (Quality of Service) over the downlink OFDMA (Orthogonal Frequency Division Multiple Access) system. Through an optimal combination of sectorization and frequency overlay, the EBRD scheme improves both channel capacity and outage probability. In order to analyze the performance of the proposed algorithm, the outage probability is obtained as a closed numerical form. In the simulation, the EBRD scheme outperforms 3-sectorization in terms of throughput and outage probability.
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