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TIIS (Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ)
TIIS (Çѱ¹ÀÎÅͳÝÁ¤º¸ÇÐȸ)
Current Result Document :
1
/ 2
´ÙÀ½°Ç
ÇѱÛÁ¦¸ñ(Korean Title)
Resource Reservation to Support Service Continuity in OFDMA Systems
¿µ¹®Á¦¸ñ(English Title)
Resource Reservation to Support Service Continuity in OFDMA Systems
ÀúÀÚ(Author)
Jongchan Lee
Moonho Lee
¿ø¹®¼ö·Ïó(Citation)
VOL 08 NO. 12 PP. 4356 ~ 4371 (2014. 12)
Çѱ۳»¿ë
(Korean Abstract)
¿µ¹®³»¿ë
(English Abstract)
When the load in a multi-cell orthogonal frequency division multiple access (OFDMA) system is allowed to excessively increase in face of frequent handover, the cell area becomes smaller than the designed size, and thus continuity of quality of service (QoS) for handover requests cannot be guaranteed. To efficiently support the mobility of a mobile terminal (MT), we should adaptively cope with the resource demand of handover calls. This paper proposes a twofold resource-reservation scheme for OFDMA systems to guarantee continuity of QoS for various mobile multimedia services during MT handover from lightly to heavily loaded cells. Our twofold scheme attempts to guarantee service continuity for handover and to maximize resource allocation efficiency. We performed a simulation to evaluate our scheme in terms of outage probability, handover failure rate, total throughput, and blocking rate.
Å°¿öµå(Keyword)
OFDMA
Resource Reservation
Handover
QoS
Accommodation Capacity
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