KR20140126414A - 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 - Google Patents
무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 Download PDFInfo
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0079—Transmission or use of information for re-establishing the radio link in case of hand-off failure or rejection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
- H04W36/0058—Transmission of hand-off measurement information, e.g. measurement reports
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0083—Determination of parameters used for hand-off, e.g. generation or modification of neighbour cell lists
- H04W36/0085—Hand-off measurements
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/24—Reselection being triggered by specific parameters
- H04W36/30—Reselection being triggered by specific parameters by measured or perceived connection quality data
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W56/00—Synchronisation arrangements
- H04W56/001—Synchronization between nodes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/16—Interfaces between hierarchically similar devices
- H04W92/20—Interfaces between hierarchically similar devices between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
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Abstract
Description
도 2는 본 발명에 따른 인트라 LTE 핸드오버 프로세스의 신호도이다.
Claims (14)
- 핸드오버를 수행하도록 구성되고, 제어기를 포함하는 무선 송수신 장치(WTRU, wireless transmit/receive unit)에 있어서, 상기 제어기는,
소스 셀에 연관된 제1 eNode-B(evolved Node-B)로부터 핸드오버 명령 - 상기 핸드오버 명령은 상기 WTRU에게 상기 소스 셀로부터 제2 eNode-B에 연관된 목표 셀로의 핸드오버를 수행하도록 지시함 - 을 수신하고;
상기 목표 셀에 연관된 상기 제2 eNode-B로 핸드오버 완료 메시지를 송신 - 상기 WTRU는 유실된(missing) 서비스 데이터 유닛(SDU, service data unit)들에 관한 메시지를 상기 목표 셀에 연관된 상기 제2 eNode-B에게 전송하고, 상기 메시지는 전송이 성공적이었던 적어도 하나의 SDU와 전송이 성공적이지 않았던 적어도 하나의 SDU를 표시하는 PDCP(packet data convergence protocol, 패킷 데이터 컨버전스 프로토콜) SN(sequence number, 시퀀스 번호)을 적어도 포함함 - 하도록
구성되는 것인, 무선 송수신 유닛(WTRU). - 제1항에 있어서, 상기 핸드오버 명령은 상기 목표 셀에서 적용될 재구성 정보를 포함하고, 상기 재구성 정보는 무선 자원 제어(RRC, radio resource control) 구성 정보, 무선 링크 제어(RLC, radio link control) 구성 정보, 매체 엑세스 제어(MAC, medium access control) 구성 정보, 또는 물리층(PHY, physical layer) 구성 정보 중 하나 이상을 포함하는 것인, 무선 송수신 유닛(WTRU).
- 제1항에 있어서, 상기 메시지는 SDU 갭에 대응하는 복수의 SDU들의 성공적이지 않은 전송을 표시하는 것인, 무선 송수신 유닛(WTRU).
- 제3항에 있어서, 상기 메시지는 무선 링크 제어(RLC) 제어 메시지에 대응하는 것인, 무선 송수신 유닛(WTRU).
- 제1항에 있어서,
상기 핸드오버 명령은 타이밍 조정(adjustment)에 관한 정보를 포함하고, 상기 타이밍 조정에 관한 정보는 상기 목표 셀에서의 타이밍 조정을 수행하기 위한 RACH(random access channel, 랜덤 액세스 채널) 정보를 포함하는 것인, 무선 송수신 유닛(WTRU). - 제5항에 있어서, 상기 타이밍 조정은 비동기 RACH 절차를 사용하여 수행되는 것인, 무선 송수신 유닛(WTRU).
- 제1항에 있어서, 상기 핸드오버 명령은 상기 목표 셀에서 적용될 측정 구성을 포함하는 것인, 무선 송수신 유닛(WTRU).
- 핸드오버를 수행하기 위해 무선 송수신 장치(WTRU, wireless transmit/receive unit)에 의해 수행되는 방법에 있어서,
상기 WTRU가, 소스 셀에 연관된 제1 eNode-B(evolved Node-B)로부터 핸드오버 명령 - 상기 핸드오버 명령은 상기 WTRU에게 상기 소스 셀로부터 제2 eNode-B에 연관된 목표 셀로의 핸드오버를 수행하도록 지시함 - 을 수신하는 단계;
상기 WTRU가, 상기 목표 셀에 연관된 상기 제2 eNode-B에 핸드오버 완료 메시지를 송신 - 제어기는 또한 유실된(missing) 서비스 데이터 유닛(SDU, service data unit)들에 관한 메시지를 상기 목표 셀에 연관된 상기 제2 eNode-B에게 전송하도록 구성되고, 상기 메시지는 전송이 성공적이었던 적어도 하나의 SDU와 전송이 성공적이지 않았던 적어도 하나의 SDU를 표시하는 PDCP(packet data convergence protocol, 패킷 데이터 컨버전스 프로토콜) SN(sequence number, 시퀀스 번호)을 적어도 포함함 - 하는 단계
를 포함하는, 핸드오버 수행 방법. - 제8항에 있어서, 상기 핸드오버 명령은 상기 목표 셀에서 적용될 재구성 정보를 포함하고, 상기 재구성 정보는 무선 자원 제어(RRC, radio resource control) 구성 정보, 무선 링크 제어(RLC, radio link control) 구성 정보, 매체 엑세스 제어(MAC, medium access control) 구성 정보, 또는 물리층(PHY, physical layer) 구성 정보 중 하나 이상을 포함하는 것인, 핸드오버 수행 방법.
- 제8항에 있어서, 상기 메시지는 SDU 갭에 대응하는 복수의 SDU들의 성공적이지 않은 전송을 표시하는 것인, 핸드오버 수행 방법.
- 제10항에 있어서, 상기 메시지는 무선 링크 제어(RLC) 제어 메시지에 대응하는 것인, 핸드오버 수행 방법.
- 제8항에 있어서, 상기 핸드오버 명령은 타이밍 조정(adjustment)에 관한 정보를 포함하고, 상기 타이밍 조정에 관한 정보는 상기 목표 셀에서의 타이밍 조정을 수행하기 위한 RACH(random access channel, 랜덤 액세스 채널) 정보를 포함하는 것인, 핸드오버 수행 방법.
- 제8항에 있어서, 상기 메시지는 상기 핸드오버 완료 메시지의 전송 후에 보내지는 것인, 핸드오버 수행 방법.
- 제8항에 있어서, 상기 핸드오버 명령은 상기 목표 셀에서 적용될 측정 구성을 포함하는 것인, 핸드오버 수행 방법.
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US81502306P | 2006-06-20 | 2006-06-20 | |
US60/815,023 | 2006-06-20 | ||
PCT/US2007/014423 WO2007149509A2 (en) | 2006-06-20 | 2007-06-19 | Handover in a long term evolution (lte) wireless communication system |
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KR1020137034440A Division KR101596109B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
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KR1020137034440A Active KR101596109B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
KR1020127031495A KR101326372B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
KR1020097000825A KR101206557B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 |
KR1020097001711A Active KR101392445B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 |
KR1020127015374A KR101289952B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
KR1020137017446A Expired - Fee Related KR101495107B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
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KR1020127031495A KR101326372B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
KR1020097000825A KR101206557B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 |
KR1020097001711A Active KR101392445B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 |
KR1020127015374A KR101289952B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
KR1020137017446A Expired - Fee Related KR101495107B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
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EP (6) | EP2667661B1 (ko) |
JP (5) | JP5023150B2 (ko) |
KR (7) | KR101596188B1 (ko) |
CN (2) | CN101473677B (ko) |
AR (1) | AR061532A1 (ko) |
AU (2) | AU2007261342B2 (ko) |
BR (1) | BRPI0712632B1 (ko) |
CA (2) | CA2813252C (ko) |
DK (2) | DK2667660T3 (ko) |
ES (3) | ES2634685T3 (ko) |
HK (3) | HK1161025A1 (ko) |
IL (1) | IL196054A (ko) |
MX (1) | MX2009000259A (ko) |
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KR20180111770A (ko) * | 2016-02-05 | 2018-10-11 | 광동 오포 모바일 텔레커뮤니케이션즈 코포레이션 리미티드 | 핸드오버를 위한 자원 구성 방법, 네트워크 액세스 포인트 및 이동국 |
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