KR20090019920A - 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 - Google Patents
무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 Download PDFInfo
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- KR20090019920A KR20090019920A KR1020097001711A KR20097001711A KR20090019920A KR 20090019920 A KR20090019920 A KR 20090019920A KR 1020097001711 A KR1020097001711 A KR 1020097001711A KR 20097001711 A KR20097001711 A KR 20097001711A KR 20090019920 A KR20090019920 A KR 20090019920A
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- 241000760358 Enodes Species 0.000 claims abstract description 260
- 238000000034 method Methods 0.000 claims abstract description 113
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- 238000004891 communication Methods 0.000 description 35
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- 230000001960 triggered effect Effects 0.000 description 2
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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
Claims (20)
- 핸드오버를 수행하기 위한 방법으로,무선 송수신 장치(WTRU)가 측정을 수행하는 것과,상기 WTRU가 측정 리포트를 소스 e노드 B에 송신하는 것과,상기 WTRU가 상기 소스 e노드 B로부터 핸드오버 명령을 수신하는 것 - 상기 핸드오버 명령은 재구성 정보, 상기 소스 e노드 B와 목표 e노드 B 사이의 상대 타이밍 차이인 타이밍 조정에 관한 정보, 상기 목표 e노드 B에서 초기 무선 자원 스케쥴링 절차에 관한 정보, 상기 목표 e노드 B에 대한 측정 정보 중 적어도 하나를 포함한다 -과,상기 WTRU가 상기 핸드오버 명령에 포함된 정보를 이용하여 상기 목표 e노드 B에 대한 핸드오버를 수행하는 것을 포함하는 방법.
- 제1항에 있어서, 상기 핸드오버 명령은 상기 목표 e노드 B가 랜덤 엑세스 채널(RACH) 엑세스 절차에 기초해서 상기 WTRU를 위한 자원을 스케쥴링하는 것인 방법.
- 제1항에 있어서, 상기 핸드오버 명령은 상기 목표 e노드 B 상기 WTRU로부터 명시적 자원 할당 요청을 수신하지 않고 상기 WTRU를 위한 자원을 스케쥴링함을 나 타내는 것인 방법.
- 제1항에 있어서, 상기 WTRU가 상기 목표 e노드 B로 타이밍 조정을 수행하는 것을 더 포함하는 것인 방법.
- 제4항에 있어서, 상기 WTRU는 타이밍 조정을 위해 RACH 엑세스 절차를 이용하는 것인 방법.
- 제5항에 있어서, 상이한 직교성과 상이한 우선순위를 가진 복수 개의 RACH 프리앰블 시그너처가 이용되며, 상기 복수 개의 RACH 프리앰블 시그너처 중에서 상위의 직교성, 상위의 우선순위, 및 상위의 전력을 가진 RACH 프리앰블 시그너처가 핸드오버 목적을 위해 이용되는 것인 방법.
- 제6항에 있어서, 특정의 RACH 프리앰블 시그너처가 핸드오버 목적을 위해 리저브드되는 것인 방법.
- 제7항에 있어서, 상기 리저브드 RACH 프리앰블 시그너처는 상기 핸드오버 명령에서 표시되는 것인 방법.
- 제1항에 있어서, 상기 WTRU가 핸드오버 명령을 수신한 후 RLC 및 HARQ를 리 셋하는 것을 더 포함하는 것인 방법.
- 제9항에 있어서, 상기 WTRU가 핸드오버 완료 메시지를 상기 목표 e노드 B에 송신하는 것을 더 포함하며, 상기 핸드오버 완료 메시지는 송신될 업링크 패킷 데이터 컨버전스 프로토콜(PDCP) 시퀀스 번호(SN)를 포함하는 것인 방법.
- 제10항에 있어서, 상기 WTRU는 성공적으로 송신된 서비스 데이터 유닛(SDU)과 SDU 갭을 나타내도록 핸드오버 완료 메시지를 송신한 후 RLC 제어 메시지를 상기 목표 e노드 B에 송신하는 것을 더 포함하는 것인 방법.
- 핸드오버를 수행하는 e노드 B로서,무선 송수신 장치(WTRU)에 데이터를 송신하고 상기 WTRU로부터 데이터를 수신하는 송수신기와,상기 WTRU를 위한 채널에서 측정을 수행하는 측정 유닛과,측정에 기초해서 핸드오버를 결정하고 핸드오버 명령을 상기 WTRU에 송신하도록 구성된 핸드오버 제어기를 포함하며,상기 핸드오버 명령은 재구성 정보, 소스 e노드 B와 목표 e노드 B 사이의 상대 타이밍 차이인 타이밍 조정에 관한 정보, 상기 목표 e노드 B에서 초기 무선 자원 스케쥴링 절차에 관한 정보, 및 상기 목표 e노드 B에 대한 측정 중 적어도 하나 를 포함하는 것인 e노드 B.
- 핸드오버를 수행하는 무선 송수신 장치(WTRU)로서,e 노드 B에 데이터를 송신하고 e 노드 B로부터 데이터를 수신하는 송수신기와,측정을 수행하는 측정 유닛과,소스 e노드 B에서 목표 e노드 B로의 핸드오버를 상기 소스 e노드 B로부터 수신된 핸드오버 명령에 포함된 정보를 이용하여 수행하는 제어기를 포함하며,상기 핸드오버 명령은 재구성 정보, 상기 소스 e노드 B와 상기 목표 e노드 B 사이의 상대 타이밍 차이인 타이밍 조정에 관한 정보, 상기 목표 e노드 B에서 초기 무선 자원 스케쥴링 절차에 관한 정보, 상기 목표 e노드 B에 대한 측정 정보 중 적어도 하나를 포함하는 것인 WTRU.
- 제13항에 있어서, 상기 제어기는 상기 WTRU가 핸드오버 명령을 수신하자마자 상기 소스 e노드 B로의 데이터 송신을 중단하도록 상기 송수신기를 제어하는 것인 WTRU.
- 제13항에 있어서, 상기 제어기는 상기 목표 e노드 B로 타이밍 조정을 수행하도록 구성되는 것인 WTRU.
- 제15항에 있어서, 상이한 직교성과 상이한 우선순위를 가진 복수 개의 프리앰블 시그너처가 이용되며, 상기 복수 개의 프리앰블 시그너처 중에서 상위의 직교성, 상위의 우선순위 및 상위의 전력을 가진 RACH 프리앰블이 핸드오버 목적을 위해 이용되는 것인 WTRU.
- 제16항에 있어서, 핸드오버 목적을 위해 특정 RACH 프리앰블 시그너처가 리저브드되는 것인 WTRU.
- 제17항에 있어서, 리저브드 RACH 프리앰블 시그너처는 핸드오버 명령에서 표시되는 것인 WTRU.
- 제13항에 있어서, 상기 제어기는 업링크 자원 스케쥴링을 위해 자원 할당 요청을 상기 목표 e노드 B에 송신하는 것인 WTRU.
- 제19항에 있어서, 상기 자원 할당 요청은 랜덤 엑세스 채널(RACH)을 통해 송신되는 것인 WTRU.
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US81502306P | 2006-06-20 | 2006-06-20 | |
US60/815,023 | 2006-06-20 |
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KR1020097000825A Division KR101206557B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및시스템 |
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KR1020127015374A Division KR101289952B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
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KR20090019920A true KR20090019920A (ko) | 2009-02-25 |
KR101392445B1 KR101392445B1 (ko) | 2014-05-08 |
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KR1020147028227A Expired - Fee Related KR101596188B1 (ko) | 2006-06-20 | 2007-06-19 | 무선 통신 시스템에서의 핸드오버를 수행하기 위한 방법 및 시스템 |
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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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 |
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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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US (6) | US8131295B2 (ko) |
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) |
MY (2) | MY157712A (ko) |
PL (2) | PL2667660T3 (ko) |
RU (1) | RU2407228C2 (ko) |
TW (4) | TWI491283B (ko) |
WO (1) | WO2007149509A2 (ko) |
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US10945168B2 (en) | 2016-04-20 | 2021-03-09 | Electronics And Telecommunications Research Institute | Handover method |
US10912000B2 (en) | 2016-12-21 | 2021-02-02 | Telefonaktiebolaget Lm Ericsson (Publ) | Link switch in a wireless communication system |
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