Dynamic PCI assignment in two-tier networks based on cell activity prediction

Physical cell identity (PCI) is used to identify each cell. However, with the introduction of femtocells, 8 bytes allocation for PCI cannot accommodate a large number of femtocells. The current solution in 3GPP Release 9 is to use cell global identity associated with PCI to resolve this problem. How...

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Bibliographic Details
Published in:Electronics letters 2013-11, Vol.49 (24), p.1570-1572
Main Authors: Zhang, X, Liu, E.J, Xiao, Z, Zhang, J
Format: Article
Language:English
Subjects:
3G mobile communication
3GPP Release 9
Allocations
Applied sciences
cell activity level prediction
cell global identity
Exact sciences and technology
femtocells
femtocellular radio
inbound handover failure
Information, signal and communications theory
Mathematical methods
system level simulation
Telecommunications and information theory
Wireless communications
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Summary:Physical cell identity (PCI) is used to identify each cell. However, with the introduction of femtocells, 8 bytes allocation for PCI cannot accommodate a large number of femtocells. The current solution in 3GPP Release 9 is to use cell global identity associated with PCI to resolve this problem. However, this solution may incur higher inbound handover failure. A dynamic PCI assignment based on cell activity level prediction is proposed. The system level simulation showed that the approach outperforms the existing approaches.
ISSN:0013-5194
1350-911X
1350-911X
DOI:10.1049/el.2013.2134