Improved frequency channel borrowing and locking algorithm in cellular mobile systems

  • Authors:
  • Do Huu Tri;Vu Duy Loi;Ha Manh Dao

  • Affiliations:
  • Post and Telecommunication Institute of Technology, Viet Nam;Centre of Information Technology;Institute of Information Technology, Vietnam

  • Venue:
  • ICACT'09 Proceedings of the 11th international conference on Advanced Communication Technology - Volume 1
  • Year:
  • 2009

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Abstract

In this paper, an new algorithm for frequency channel allocation in cellular mobile systems is proposed and examined in comparison with a dynamic load balancing strategy for channel assignment using selective borrowing in cellular mobile environment [1] and a new adaptive channel assignment algorithm in cellular mobile system [2]. When making a borrowing decision, the states of the co-channel cells of a potential lender cell are also taken into account to prevent potential channel borrowing loop. The proposed algorithm provides a co-channel locking scheme that efficient to avoid the co-channel interference and reduce the number of locking co-channel cells. A simulation model was designed by C-Free languages to measure the performance of our algorithm. Results show that new algorithm provides the number of channel borrowing is highest and number of locking co-channel cell is lowest.