Femtocell Searching Technique Using Synchronization Signals for Next-Generation Mobile Communication Systems 


Vol. 38,  No. 1, pp. 44-57, Jan.  2013


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  Abstract

In this paper, we propose a femtocell searching technique which can prevent a macrocell UE(user equipment) from losing synchronism to its serving macrocell near closed access femtocells in co-channel deployment due to the leakage of femtocell signals by using a CS(Common Signal). The CS, commonly transmitted by femtocells in a macrocell at the same time, enables the macrocell UEs to be kept synchronized with their serving macrocells since the CINR(Carrier to Interference and Noise Ratio) of base stations in macrocell can be kept high even near closed access femtocells. Also, the CS is designed in such a way that a macrocell UE can recognize the existence of femtocell by using the metric CSCINR(Common Signal Carrier to Interference and Ratio) measured with CS. In addition, the proposed femtocell searching technique can reduce the frequency of femtocell searching trial by using the metric on mobility of a macrocell UE defined in this paper, and the reduction of the frequency of handover trial can be also expected as a byproduct.

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  Cite this article

[IEEE Style]

Y. J. Kim and Y. S. Cho, "Femtocell Searching Technique Using Synchronization Signals for Next-Generation Mobile Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 1, pp. 44-57, 2013. DOI: .

[ACM Style]

Yeong Jun Kim and Yong Soo Cho. 2013. Femtocell Searching Technique Using Synchronization Signals for Next-Generation Mobile Communication Systems. The Journal of Korean Institute of Communications and Information Sciences, 38, 1, (2013), 44-57. DOI: .

[KICS Style]

Yeong Jun Kim and Yong Soo Cho, "Femtocell Searching Technique Using Synchronization Signals for Next-Generation Mobile Communication Systems," The Journal of Korean Institute of Communications and Information Sciences, vol. 38, no. 1, pp. 44-57, 1. 2013.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880