KR20040017440A - 이동통신 시스템의 핸드오버 처리방법 - Google Patents
이동통신 시스템의 핸드오버 처리방법 Download PDFInfo
- Publication number
- KR20040017440A KR20040017440A KR1020020049506A KR20020049506A KR20040017440A KR 20040017440 A KR20040017440 A KR 20040017440A KR 1020020049506 A KR1020020049506 A KR 1020020049506A KR 20020049506 A KR20020049506 A KR 20020049506A KR 20040017440 A KR20040017440 A KR 20040017440A
- Authority
- KR
- South Korea
- Prior art keywords
- radio link
- response signal
- timer
- setting
- rnc
- Prior art date
Links
- 238000000034 method Methods 0.000 title claims description 34
- 238000010295 mobile communication Methods 0.000 title claims description 25
- 238000012545 processing Methods 0.000 title abstract description 6
- 238000003672 processing method Methods 0.000 claims description 17
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000005259 measurement Methods 0.000 description 12
- 230000002159 abnormal effect Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 5
- 238000004891 communication Methods 0.000 description 4
- 238000012790 confirmation Methods 0.000 description 4
- 238000010586 diagram Methods 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004458 analytical method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/18—Automatic repetition systems, e.g. Van Duuren systems
- H04L1/1867—Arrangements specially adapted for the transmitter end
- H04L1/188—Time-out mechanisms
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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
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0023—Systems modifying transmission characteristics according to link quality, e.g. power backoff characterised by the signalling
- H04L1/0026—Transmission of channel quality indication
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/12—Arrangements for detecting or preventing errors in the information received by using return channel
- H04L1/16—Arrangements for detecting or preventing errors in the information received by using return channel in which the return channel carries supervisory signals, e.g. repetition request signals
- H04L1/1607—Details of the supervisory signal
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/08—Reselecting an access point
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims (10)
- 무선망 제어기(RNC)로 무선링크의 설정을 요청하는 과정과;무선링크의 설정이 승인되면, 현재 단말의 무선링크 설정을 백업한 다음 무선링크의 설정을 변경하는 과정과;RNC로 무선링크 설정완료 메시지를 전송하는 과정과;응답신호를 기다리는 과정과;소정 시간동안 RNC로부터 응답신호가 수신되지 않으면, 무선링크 설정을 백업된 이전의 무선링크의 설정으로 복귀시키는 과정으로 구성된 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제1항에 있어서, 상기 복귀과정은제1시간동안 응답신호가 수신되는지 체크하는 과정과;제1시간이 종료될 때까지 응답신호가 수신되지 않으면 무선링크 설정 완료 메시지를 소정 횟수 재 전송하는 과정과;제2시간동안 응답신호가 수신되는지 체크하는 과정과;제2시간이 종료될 때까지 응답신호가 수신되지 않으면 무선링크 설정을 백업된 이전의 무선링크의 설정으로 복귀시키는 과정으로 구성된 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제3항에 있어서, 상기 제2시간은제1시간과 재전송시간의 합과 같거나 크게 설정되는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 핸드오버 절차를 개시하는 과정과;핸드오버 절차가 개시되면 무선망 제어기(RNC)로 무선링크의 설정을 요청하는 과정과;무선링크의 설정이 승인되면 단말의 현재 무선링크 설정을 백업한 후 무선링크의 설정을 변경하는 과정과;제1타이머를 구동하는 과정과;RNC로 무선링크 설정완료 메시지를 전송하고, 응답신호를 기다리는 과정과;제1타이머가 종료될 때까지 응답신호가 수신되지 않으면, 변경된 무선링크 설정을 백업된 무선링크 설정으로 복귀시키는 과정과;핸드오버 절차를 종료하는 과정으로 구성된 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제4항에 있어서, 상기 제1타이머가 종료되기 전에 응답신호가 수신되면 바로핸드오버를 종료하는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제4항에 있어서, 상기 타이머는단말의 무선자원 제어계층(RRC)에서 구동되는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제4항에 있어서, 소정 시간동안 응답신호가 수신되지 않으면, 무선링크 설정 완료 메시지를 재 전송하는 과정을 추가로 포함하는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제7항에 있어서, 상기 재전송과정은무선링크 설정완료 메시지를 전송하고, 제2타이머를 구동하는 과정과;제2타이머의 구동시간동안 응답신호가 수신되는지 체크하는 과정과;제2타이머가 종료될 때까지 응답신호가 수신되지 않으면 무선링크 설정 완료 메시지를 재 전송하는 과정과;제1타이머의 구동시간동안 응답신호가 수신되는지 체크하는 과정으로 구성된 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제8항에 있어서, 상기 제2타이머는단말의 무선링크 제어(RLC)계층에서 구동되는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
- 제8항에 있어서, 상기 제1타이머의 구동시간은제2타이머의 구동시간 및 재전송시간의 합과 같거나 크게 설정되는 것을 특징으로 하는 이동통신 시스템의 핸드오버처리방법.
Priority Applications (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0049506A KR100459432B1 (ko) | 2002-08-21 | 2002-08-21 | 이동통신 시스템의 핸드오버 처리방법 |
CNB031543634A CN1241427C (zh) | 2002-08-21 | 2003-08-21 | 移动通信系统的切换处理方法 |
US10/644,996 US7315741B2 (en) | 2002-08-21 | 2003-08-21 | Handover processing method of mobile communication system |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR10-2002-0049506A KR100459432B1 (ko) | 2002-08-21 | 2002-08-21 | 이동통신 시스템의 핸드오버 처리방법 |
Publications (2)
Publication Number | Publication Date |
---|---|
KR20040017440A true KR20040017440A (ko) | 2004-02-27 |
KR100459432B1 KR100459432B1 (ko) | 2004-12-03 |
Family
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Family Applications (1)
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KR10-2002-0049506A KR100459432B1 (ko) | 2002-08-21 | 2002-08-21 | 이동통신 시스템의 핸드오버 처리방법 |
Country Status (3)
Country | Link |
---|---|
US (1) | US7315741B2 (ko) |
KR (1) | KR100459432B1 (ko) |
CN (1) | CN1241427C (ko) |
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AU4652797A (en) * | 1996-09-27 | 1998-04-17 | Board Of Trustees Of The University Of Illinois, The | Oxygen-binding heme proteins incorporating circularly-permuted globins |
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2002
- 2002-08-21 KR KR10-2002-0049506A patent/KR100459432B1/ko not_active IP Right Cessation
-
2003
- 2003-08-21 CN CNB031543634A patent/CN1241427C/zh not_active Expired - Fee Related
- 2003-08-21 US US10/644,996 patent/US7315741B2/en not_active Expired - Fee Related
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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US8249015B2 (en) | 2005-11-10 | 2012-08-21 | Interdigital Technology Corporation | Method and system for media independent handover using operation, administration and maintenance protocol |
Also Published As
Publication number | Publication date |
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US20040038681A1 (en) | 2004-02-26 |
US7315741B2 (en) | 2008-01-01 |
KR100459432B1 (ko) | 2004-12-03 |
CN1487754A (zh) | 2004-04-07 |
CN1241427C (zh) | 2006-02-08 |
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