A Physical Cell Identifier Allocation Scheme Utilizing Received Signal Strength in SON-based LTE Systems 


Vol. 34,  No. 12, pp. 962-970, Dec.  2009


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  Abstract

This paper proposes a self-organizing scheme which collects the information of neighboring cells, and then assigns a Physical Cell Identifier (PCI) for a newly deployed cell in LTE systems. The number of PCIs are limited, so the reuse of PCIs in different cells is unavoidable. In a dense urban environment where many small cells such as Pico/Femto cells are deployed under macro cells, it is expected that the number of PCIs becomes more limited. Therefore, the limited number of PCIs needs to be allocated very efficiently. We propose a PCI allocation scheme for a newly deployed cell that can autonomously select a PCI to increase PCI reuse efficiency by utilizing the levels of received signal strength from neighboring cells. To evaluate the performance of the proposed scheme, simulations have been developed and performed with two scenarios on the coverage types of newly deployed cells. When the proposed scheme is applied, the simulation results show that the number of PCIs required for the operation of the system can be saved so that PCIs can be efficiently reused.

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  Cite this article

[IEEE Style]

G. Lee, B. Shin, D. Hong, "A Physical Cell Identifier Allocation Scheme Utilizing Received Signal Strength in SON-based LTE Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 962-970, 2009. DOI: .

[ACM Style]

Gahee Lee, Bongjhin Shin, and Daehyoung Hong. 2009. A Physical Cell Identifier Allocation Scheme Utilizing Received Signal Strength in SON-based LTE Systems. The Journal of Korean Institute of Communications and Information Sciences, 34, 12, (2009), 962-970. DOI: .

[KICS Style]

Gahee Lee, Bongjhin Shin, Daehyoung Hong, "A Physical Cell Identifier Allocation Scheme Utilizing Received Signal Strength in SON-based LTE Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 34, no. 12, pp. 962-970, 12. 2009.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880