Journal of Information Processing Systems

Korea Information Processing Society (한국정보처리학회)
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Femtocell Subband Selection Method for Managing Cross- and Co-tier Interference in a Femtocell Overlaid Cellular Network

  • Kwon, Young Min (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Choo, Hyunseung (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Lee, Tae-Jin (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Chung, Min Young (College of Information and Communication Engineering, Sungkyunkwan University) ;
  • Kim, Mihui (Department of Computer & Web Information Engineering, Computer System Institute, Hankyong National University)
  • Received : 2013.08.26
  • Accepted : 2013.12.11
  • Published : 2014.09.30
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Abstract

The femtocell overlaid cellular network (FOCN) has been used to enhance the capacity of existing cellular systems. To obtain the desired system performance, both cross-tier interference and co-tier interference in an FOCN need to be managed. This paper proposes an interference management scheme that adaptively constructs a femtocell cluster, which is a group of femtocell base stations that share the same frequency band. The performance evaluation shows that the proposed scheme can enhance the performance of the macrocell-tier and maintain a greater signal to interference-plus-noise ratio than the outage level can for about 99% of femtocell users.

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References

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