Efficient IP paging methodologies based on dormant registration and mobile agent position = 유휴 등록과 이동 에이전트의 위치에 기반한 효율적인 IP 페이징 기법

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When a dormant mobile node passes through a paging area, search time for the mobile node depends on the position of the mobile node. When the dormant mobile node is far from the location that it has reported before, the paging cost has a higher value. The search time for the dormant mobile node can be decreased by making the mobile node report the current position to tracking agent. The reporting period of the mobile node is decided by the threshold value of the mobile node. We adopted average signaling cost and average paging delay as performance measures. We compared the proposed scheme with the conventional one in various environments, and showed the superiority over the conventional one. The average signaling cost is composed of registration cost and paging cost. Network systems decide which cost is more important. We inspected how the average signaling cost varies according to threshold value of the mobile node when the weight factor varies. When the threshold value is inappropriate, the average signaling cost increases and the total system efficiency decreases. Dormant monitoring agent, tracking agent, and paging agent are needed for IP paging. We define three agents as mobile agents. The cost varies according to how the mobile agents are arranged. As a performance measure, we used the sum of the following two values: the number of signaling messages among mobile agents and the number of signaling messages between mobile agents and the corresponding mobile node. We proposed three configuration methods: 1) when dormant monitoring agent and tracking agent are located above paging agent, 2) when dormant monitoring agent and tracking agent are located at foreign agent, 3) when dormant monitoring agent and tracking agent are located at paging agent. We evaluated the performance of each configuration and showed that third configuration produces the best result. We can insist that the signaling cost for mobility management can be reduced, if the mobile agents ar...
Advisors
Cho, Dong-Horesearcher조동호researcher
Description
한국과학기술원 : 전기및전자공학전공,
Publisher
한국과학기술원
Issue Date
2004
Identifier
240702/325007  / 000965304
Language
eng
Description

학위논문(박사) - 한국과학기술원 : 전기및전자공학전공, 2004.8, [ vii, 63 p. ]

Keywords

IP PAGINGTRAPEZOIDAL BACK EMF; MOBILE IP PROTOCOL; WIRELESS COMMUNICATION; 무선통신; 사다리꼴 역기전력; 최대토크; IP 페이징로직; 이동 IP 프로토콜

URI
http://hdl.handle.net/10203/35230
Link
http://library.kaist.ac.kr/search/detail/view.do?bibCtrlNo=240702&flag=dissertation
Appears in Collection
EE-Theses_Ph.D.(박사논문)
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