[특허]Method and apparatus for supporting mobile communications in asynchronous transfer mode based networks

[미국특허] Method and apparatus for supporting mobile communications in asynchronous transfer mode based networks 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04L-012/56 H04L-012/66 H04B-007/26
출원번호	US-0206443 (1994-03-04)
발명자 / 주소	Acampora Anthony S. (Freehold NJ) Naghshineh Mahmoud (Fishkill NY)
출원인 / 주소	The Trustees of Columbia University in the City of New York (NY 02)
인용정보	피인용 횟수 : 69 인용 특허 : 0

초록 ▼

Distributed call setup and rerouting are realized in a mobile-communications network. A connection tree is set up within the network, e.g., upon a mobile user accessing a base station. The connection tree comprises communication routes from a fixed point in the network, the root of the tree, to each base station within a vicinity of the base station accessed by the mobile user. When the mobile user moves from one cell to another within the connection tree, the call is rerouted to another route within the connection tree.

대표청구항 ▼

A mobile-communications connection-and-routing method comprising the steps of: detecting an attempted mobile communication in the vicinity of a first base station in a network comprising a plurality of switches, communication links and base stations, each base station corresponding to a geographical cell; setting up a connection tree within the network, the connection tree comprising a plurality of communication routes, each route extending from a first switch within the network through at least one other switch and at least two communication links to a base station, each base station situated within a predetermined distance of the first base station, so that a route is defined from each of the base stations within the predetermined distance to the first switch; setting up a fixed route within the network which extends from the first switch to a location within the network and outside of the connection tree; providing the first switch with first routing information from the first switch to the connection tree and with second routing information from the first switch to the location within the network and outside of the connection tree; admitting the communication to the connection tree; and routing the communication through a first route between the first base station and the first switch, the first route being one of the plurality of communication routes within the connection tree, and between the first switch and the location outside of the connection tree through the fixed route, whereby the mobile user can communicate back and forth along a complete communication route with the location outside of the connection tree; further comprising, at the first switch and upon a communication from the connection tree to the location within the network and outside of the connection tree, the steps of: storing a virtual channel identifier, identifying a current base station, determining whether the identified current base station differs from a previously identified base station, and, in case of difference, replacing the first routing information with new first routing information from the first switch to the connection tree.

이 특허를 인용한 특허 (69) 인용/피인용 타임라인 분석

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Tamura, Motoshi; Miki, Mutsumaru; Okamoto, Akiko; Kusunose, Kenya; Uchikoshi, Akihiro; Igarashi, Daisuke; Yamagata, Katsuhiko; Sato, Takaaki; Hagiwara, Junichiro; Watanabe, Yasuyuki; Hamajima, Takuya; Hata, Masafumi; Ishikawa, Nobutaka; Yasuda, Yoshiyuki; Yunoki, Kazufumi; Uchiyama, Nobuhide, Method and system for mobile communications.
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Tamura, Motoshi; Miki, Mutsumaru; Okamoto, Akiko; Kusunose, Kenya; Uchikoshi, Akihiro; Igarashi, Daisuke; Yamagata, Katsuhiko; Sato, Takaaki; Hagiwara, Junichiro; Watanabe, Yasuyuki; Hamajima, Takuya; Hata, Masafumi; Ishikawa, Nobutaka; Yasuda, Yoshiyuki; Yunoki, Kazufumi; Uchiyama, Nobuhide, Method and system for mobile communications.
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Tamura, Motoshi; Miki, Mutsumaru; Okamoto, Akiko; Kusunose, Kenya; Uchikoshi, Akihiro; Igarashi, Daisuke; Yamagata, Katsuhiko; Sato, Takaaki; Hagiwara, Junichiro; Watanabe, Yasuyuki; Hamajima, Takuya; Hata, Masafumi; Ishikawa, Nobutaka; Yasuda, Yoshiyuki; Yunoki, Kazufumi; Uchiyama, Nobuhide, Method and system for mobile communications.
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Tamura, Motoshi; Miki, Mutsumaru; Okamoto, Akiko; Kusunose, Kenya; Uchikoshi, Akihiro; Igarashi, Daisuke; Yamagata, Katsuhiko; Sato, Takaaki; Hagiwara, Junichiro; Watanabe, Yasuyuki; Hamajima, Takuya; Hata, Masafumi; Ishikawa, Nobutaka; Yasuda, Yoshiyuki; Yunoki, Kazufumi; Uchiyama, Nobuhide, Method and system for mobile communications.
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Tamura, Motoshi; Miki, Mutsumaru; Okamoto, Akiko; Kusunose, Kenya; Uchikoshi, Akihiro; Igarashi, Daisuke; Yamagata, Katsuhiko; Sato, Takaaki; Hagiwara, Junichiro; Watanabe, Yasuyuki; Hamajima, Takuya; Hata, Masafumi; Ishikawa, Nobutaka; Yasuda, Yoshiyuki; Yunoki, Kazufumi; Uchiyama, Nobuhide, Method and system for mobile communications.
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[미국특허] Method and apparatus for supporting mobile communications in asynchronous transfer mode based networks 원문보기

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[미국특허] Method and apparatus for supporting mobile communications in asynchronous transfer mode based networks 원문보기

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