[특허]Method and system for transmitting data in mobile communications system

Method and system for transmitting data in mobile communications system 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	H04W-004/00
출원번호	US-0691205 (2007-03-26)
등록번호	US8077671 (2011-11-29)
우선권정보	JP-2006-006-086724(2006-03-27)
발명자 / 주소	Lee, Jinsock Hamabe, Kojiro
출원인 / 주소	NEC Corporation
대리인 / 주소	Dickstein Shapiro LLP
인용정보	피인용 횟수 : 5 인용 특허 : 12

초록 ▼

A new data transmission method and system that can enhance the speed of data transfer between base stations are provided. Unsent data stored at a base station is transmitted through a plurality of routes. The base station stores unsent packets destined for a mobile station or a gateway. The base station transmits some of the unsent packets to the mobile station or the gateway and transfers the other remaining packets to a handover-target base station. The handover-target base station transmits the received other packets to the mobile station or the gateway.

대표청구항 ▼

The invention claimed is: 1. A method for transmitting data in a mobile communications system, comprising:at a mobile station,when a base station is transmitting data to the mobile station, notifying the base station of a switch request that a connection of the mobile station switches from the base station to another base station;at the base station,when it is determined that the connection of the mobile station switches to the other base station, transmitting one part of unsent data destined for the mobile station to the mobile station and the other part of unsent data to the other base station, the one part of the unsent data starting from a smallest sequence number in ascending order of a sequence of the unsent data, and the other part of the unsent data starting from a largest sequence number in descending order of the sequence of the unsent data; andat the other base station,when it becomes possible to transmit data to the mobile station, transmitting the other part of the unsent data to the mobile station.

이 특허에 인용된 특허 (12)

Kakani, Naveen Kumar; Purnadi, Rene; Saifullah, Yousuf, Apparatus, and associated method, for transferring data between a first target entity and a second target entity of a mobile radio communication system.
상세보기
Sato, Hiroyuki, High speed switching of communications links without interrupting ATM cell traffic.
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Rasanen Juha,FIX, High-speed data transmission in mobile communication networks.
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Mitts H.ang.kan,FIX ; Immonen Jukka,FIX ; Hansen Harri,FIX, Maintaining the composition of transferred data during handover.
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Mitts H.ang.kan,FIX ; Immonen Jukka,FIX ; Hansen Harri,FIX, Method for executing handover in a radio extension of an ATM network.
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Lee,Sung Won; Kim,Young Ky; Park,Dong Soo; Lee,Dong Jun; Kim,Sang Soo; Cho,Jin Sung, Method for performing a handoff in a mobile communication system.
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Niemela,Tuomas; Kauranen,Kari P.; Huomo,Miikka, Method for performing packet switched handover in a mobile communication system.
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Rauhala, Kristian, Method of avoiding packet loss at a handover in a packet-based telecommunications network and handover method.
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Pedersen,Klaus Ingemann, Method, system and device for improving performance during cell change.
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Vasudevan,Damondaran; Western,Gary E.; Gao,Zhou; Marcell,Patrick R., Methods for managing data transmissions between a mobile station and a serving station.
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Chao,Yi Ju; Terry,Stephen E., Node B and RNC actions during a serving HSDPA cell change.
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Chao, Yi-Ju; Terry, Stephen E., System for efficient recovery of node B buffered data following serving high speed downlink shared channel cell change.
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이 특허를 인용한 특허 (5)

Takizawa, Eiichiro; Arakawa, Taketoshi; Sakurai, Masaki, Communication apparatus and handover control method.
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Lee, Ok-Seon; Lee, Sang-Min; Kim, Ju-Yeop; Moon, Jung-Min; Cho, Dong-Ho, Data forwarding apparatus and method for reducing handover interruption time in a wireless communication system.
상세보기
Hapsari, Wuri Andarmawanti; Ishii, Minami; Suzuki, Keisuke; Tooyama, Hiroto; Morihiro, Yoshifumi, Mobile communication method, radio access apparatus, and gateway apparatus.
상세보기
Hapsari, Wuri Andarmawanti; Ishii, Minami; Suzuki, Keisuke; Tooyama, Hiroto; Morihiro, Yoshifumi, Mobile communication method, radio access apparatus, and gateway apparatus.
상세보기
Izawa, Yasunari; Ohno, Masashi, Mobile communication system, base station, and handover execution method.
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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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Method and system for transmitting data in mobile communications system 원문보기