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학술대회 Resource Reservation and Allocation Based on Direction Prediction for Handoff in Mobile Multimedia Networks
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저자
이종찬, 김홍진, 김귀남
발행일
200306
출처
International Conference on Computational Science (ICCS) 2003 (LNCS 2660), v.2660, pp.555-565
DOI
https://dx.doi.org/10.1007/3-540-44864-0_58
협약과제
03MM1100, 4세대 이동통신 기술개발, 한기철
초록
Future mobile communication systems can support not only voice but also multimedia applications such as data, image and video. It requires greater resources than voice-oriented mobile system. If handoff events are occurred during the transmission of multimedia, the efficient resource allocation and handoff procedures are necessary to maintain the same QoS of transmitted multimedia traffic because the QoS may be defected by some delay and information loss. This paper proposes a resource reservation and allocation scheme to accommodate multimedia traffic based on the direction estimation in mobile multimedia networks. This scheme estimates the position of mobiles based on a two step estimation comprised of sector estimation, zone estimation. With the position information, the moving direction is determined. © Springer-Verlag Berlin Heidelberg 2003.
KSP 제안 키워드
Allocation scheme, Direction estimation, Direction prediction, Efficient resource allocation, Information Loss, Mobile Multimedia, Mobile system, Moving direction, Multimedia networks, Multimedia traffic, Position information