Journal of the Institute of Electronics Engineers of Korea TC (대한전자공학회논문지TC)

The Institute of Electronics and Information Engineers (대한전자공학회)
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Forward Handover According to COS Reservation in Wireless ATM

무선 ATM에서 COS 예약에 의한 순방향 핸드오버

  • No, Seung-Hwan (Dept.of Infromation and Communication Engineering , Kongju University) ;
  • Gi, Jang-Geun (Dept.of Infromation and Communication Engineering , Kongju University) ;
  • Park, Seong-Gyun (Dept.of Infromation and Communication Engineering , Kongju University) ;
  • Choe, Gwan-Su (Dept.of Infromation and Communication Engineering , Kongju University)
  • 노승환 (공주대학교 정보통신공학과) ;
  • 기장근 (공주대학교 정보통신공학과) ;
  • 박성균 (공주대학교 정보통신공학과) ;
  • 최관수 (공주대학교 정보통신공학과)
  • Published : 2000.04.01
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Abstract

Wireless ATM is the next-generation technology which can provide broadband services for mobile multimedia terminals. Proposed in this paper is a method of enabling fast handover by forming one cell group with the cell having the mobile terminal (MT) at present and six adjacent cells and storing information on COS which is to perform re-routing between new cell to which MT is moved when handover occurs and adjacent cells to which the MT can be handed over in new cells in advance. And the order of data cells is guaranteed by using the in-band marking cell during handover. Also the handover delay is analyzed and compared to the conventional handover method without COS reservation.

무선 ATM은 이동 멀티미디어 단말기에 광대역 서비스를 제공할 수 있는 차세대 기술이다. 본 논문에서는 핸드오버 발생시 다시 새로운 셀에서 인접하는 셀로 핸드오버가 발생하는 경우를 대비하여 새로운 셀 내에 경로 재설정 COS에 관한 정보를 보관시켜 실제 핸드오버 발생시 COS를 찾는 시간을 감소시킴으로써 핸드오버 지연시간을 감소시키는 고속의 순방향 핸드오버 방식을 제안하였다. 또한 제안된 핸드오버 절차는 in-band 시그널링에 의해 셀의 순서를 보장한다. 제안된 알고리즘에 따라 핸드오버 지연시간이 시뮬레이션에 의해 분석되었으며, COS를 예약하지 않는 기존의 방식에 의한 핸드오버 지연시간과 비교하였다.

Keywords

References

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