[특허]Method for performing handover in broadband wireless access system

[미국특허] Method for performing handover in broadband wireless access system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04W-036/00
출원번호	US-0123403 (2005-05-06)
등록번호	US7986949 (2011-07-12)
우선권정보	KR-2004-0-2004-0076085(2004-09-22)
발명자 / 주소	Ryu, Ki Seon Kwak, Yong Won Kim, Beum Joon Kim, Yong Ho Cho, Ki Hyoung
출원인 / 주소	LG Electronics Inc.
대리인 / 주소	Lee, Hong, Degerman, Kang & Waimey
인용정보	피인용 횟수 : 10 인용 특허 : 13

초록 ▼

A method of entering sleep mode in a mobile subscriber station in performing handover from a first base station (BS) to a second BS is disclosed. More specifically, the method includes entering sleep mode in the first base station and transmitting from the first base station sleep mode information in the first base station during handover, while receiving from a second base station sleep mode entry information in the second base station. The method further includes entering sleep mode based on the information the sleep mode entry information received from the second base station.

대표청구항 ▼

What is claimed is: 1. A method of maintaining a sleep mode by a mobile subscriber station (MSS) while performing a handover from a first base station (BS) to a second BS, the method comprising:the MSS entering the sleep mode while communicating with the first BS;the MSS transmitting a handover indication message to the first BS to indicate that the MSS is about to perform the handover;the MSS transmitting a ranging request message to the second BS when the MSS is attempting to perform the handover, wherein the ranging request message comprises power saving class parameters for informing the second BS of a preference of the MSS to continue in the sleep mode after the handover;receiving an unsolicited sleep response message from the second BS when the MSS has transmitted the ranging request message including the power saving class parameters to the second BS, wherein the unsolicited sleep response message includes the power saving class parameters; andthe MSS entering the sleep mode based on the power saving class parameters in the unsolicited sleep response message received from the second BS,wherein the power saving class parameters include information used for operating the sleep mode, andwherein the unsolicited sleep response message is received without a sleep request message.

이 특허에 인용된 특허 (13) 인용/피인용 타임라인 분석

Maenpaa, Henri; Kallio, Janne, Apparatus, and associated method, for facilitating communication handover in packet radio communication system.
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Khalil,Mohamed; Akhtar,Haseeb; Pillai,Krishnakumar; Qaddoura,Emad A., Assisted power-up and hand-off system and method.
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Kolze, Thomas J., Flexible upstream PHY burst profile parameters to improve performance of short bursts in impulse noise.
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Chambert William R. G. (Uppsala SEX), Handoff method wherein stored measured information is transferred between base stations.
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Averbuch Rod (874 Shambliss La. Buffalo Grove IL 60089) Cimet Israel A. (891 Silver Rock La. Buffalo Grove IL 60089) Lev Valy (1548 Rachel La. Buffalo Grove IL 60089), Method and apparatus for performing handoff in a packet data communication system.
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Immonen,Jukka; Ala Laurila,Juha; S철derlund,Tom; Mikkonen,Jouni, Method and system for supporting the quality of service in wireless networks.
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Persson Bengt,SEX ; Turcotte Joseph Eric,CAX, Method for communicating in a wireless communication system.
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Trethewey,James R.; Agnihotri,Manoj, Method for configuration of notebook computer based on location.
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Leung,Kent K., Methods and apparatus for implementing a proxy mobile node in a wireless local area network.
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Ahmed, Walid; Doshi, Bharat Tarachand; Jiang, Hong; Monogioudis, Pantelis; Rege, Kiran M., Mobility management techniques for use in an internet protocol-based multimedia mobile network.
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Lim, Byung Keun, Packet data service network in a mobile radio communication network and method of operating a packet data service using the packet data service network.
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Ala-Laurila, Juha; Flykt, Patrik; Asokan, Nadarajah, SIM based authentication mechanism for DHCPv4/v6 messages.
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Hada, Masanori; Kido, Masahiro; Hayashi, Yasuhiro, Topology information automatic configuration method and its topology information automatic configuration system.
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이 특허를 인용한 특허 (10) 인용/피인용 타임라인 분석

Futaki, Hisashi; Lee, Jinsock, Inter base station handover method, radio communication method, DRX control method, base station, and communication terminal.
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Futaki, Hisashi; Lee, Jinsock, Inter base station handover method, radio communication system, DRX control method, base station, and communication terminal.
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Futaki, Hisashi; Lee, Jinsock, Inter base station handover method, radio communication system, DRX control method, base station, and communication terminal.
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Futaki, Hisashi; Lee, Jinsock, Inter base station handover method, radio communication system, DRX control method, base station, and communication terminal.
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Futaki, Hisashi; Lee, Jinsock, Inter base station handover method, radio communication system, DRX control method, base station, and communication terminal.
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Kone, Mamadou; Tao, Ming-Hung; Hsiao, Ying-Chuan, Method and apparatus for a device power savings class.
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Frenger, Pål; Magnusson, Per; Parkvall, Stefan; Wiberg, Niclas, Method and arrangement for reducing power consumption in a mobile communication network.
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Kim, Beom Joon; Ryu, Ki Seon; Lee, Chang Jae; Kim, Yong Ho, Method of supporting operation of sleep mode in a wideband radio access system.
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Singh, Harkirat; Qin, Xiangping; Ngo, Chiu, System and method for establishing a direct link on the high throughput channel of a multi-rate channel wireless communications network.
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Singh, Harkirat; Hsu, Julan; Ngo, Chiu, System and method for wireless multi-band networks association and maintenance.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] Method for performing handover in broadband wireless access system 원문보기