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IEICE TRANSACTIONS on Fundamentals

Asymmetric Traffic Accommodation Using Adaptive Cell Sizing Technique for CDMA/FDD Cellular Packet Communications

Kazuo MORI, Katsuhiro NAITO, Hideo KOBAYASHI, Hamid AGHVAMI

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Summary :

The traffic with asymmetry between uplink and downlink has recently been getting remarkable on mobile communication systems providing multimedia communication services. In the future mobile communications, the accommodation of asymmetric traffic is essential to realize efficient multimedia mobile communication systems. This paper discusses asymmetric traffic accommodation in CDMA/FDD cellular packet communication systems and proposes its efficient scheme using an adaptive cell sizing technique. In the proposed scheme, each base station autonomously controls its coverage area so that almost the same communication quality can be achieved across the service area under the asymmetric traffic conditions. We present some numerical examples to demonstrate the effectiveness of the proposed scheme by using computer simulation. The simulation results show that, under asymmetric traffic conditions, the proposed scheme can provide fair communication quality across the service area in both links and can improve total transmission capacity in the uplink.

Publication
IEICE TRANSACTIONS on Fundamentals Vol.E90-A No.7 pp.1271-1279
Publication Date
2007/07/01
Publicized
Online ISSN
1745-1337
DOI
10.1093/ietfec/e90-a.7.1271
Type of Manuscript
Special Section PAPER (Special Section on Multi-dimensional Mobile Information Networks)
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