KR100759606B1 - 무선 통신용 주파수간 측정 및 핸드오버 - Google Patents
무선 통신용 주파수간 측정 및 핸드오버 Download PDFInfo
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- KR100759606B1 KR100759606B1 KR1020027003407A KR20027003407A KR100759606B1 KR 100759606 B1 KR100759606 B1 KR 100759606B1 KR 1020027003407 A KR1020027003407 A KR 1020027003407A KR 20027003407 A KR20027003407 A KR 20027003407A KR 100759606 B1 KR100759606 B1 KR 100759606B1
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- H—ELECTRICITY
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- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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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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- 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
- H04W36/06—Reselecting a communication resource in the serving access point
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/16—Performing reselection for specific purposes
- H04W36/18—Performing reselection for specific purposes for allowing seamless reselection, e.g. soft reselection
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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
- H04W36/302—Reselection being triggered by specific parameters by measured or perceived connection quality data due to low signal strength
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Abstract
Description
본 발명의 분야는 무선 통신이다. 본 발명은 주파수간 핸드오버 및 주파수간 측정 보고에 관한 것이다.
Claims (61)
- 전기통신 시스템 내의 사용자 장치 유닛(UE)에서의 방법에 있어서,제 1 주파수상에서의 기지국의 셀 또는 현재 동작 세트 중 하나를 사용하는 단계,제 2 주파수상에서의 기지국의 가상 동작 세트를 유지하는 단계,사용자 장치 유닛에서 행해진 주파수 측정이 인가될 때 기지국의 가상 동작 세트로 스위칭하는 단계를 포함하는 것을 특징으로 하는 전기통신 시스템 내의 사용자 장치 유닛에서의 방법.
- 제 1 항에 있어서,상기 사용자 장치 유닛(UE)에서 행해진 주파수 측정은 주기적으로, 즉시, 또는 소정의 이벤트에 응답하여 트리거되는 것을 특징으로 하는 전기통신 시스템 내의 사용자 장치 유닛에서의 방법.
- 제 1 항에 있어서,측정 트리거 기준에 응답하여, 상기 사용자 장치 유닛(UE)은 상기 제 2 주파수에 대한 주파수간 측정을 실행하여 보고하는 것을 특징으로 하는 전기통신 시스템 내의 사용자 장치 유닛에서의 방법.
- 제 1 항에 있어서,상기 사용자 장치 유닛(UE)이 상기 제 2 주파수에 대한 주파수간 측정을 실행하여 보고하도록 하는 측정 트리거 기준은 상기 사용자 장치 유닛(UE)이 상기 제 1 주파수에 대한 주파수내 측정을 실행하여 보고하도록 하는데 사용되는 동일한 기준인 것을 특징으로 하는 전기통신 시스템 내의 사용자 장치 유닛에서의 방법.
- 제 1 항에 있어서,상기 사용자 장치 유닛(UE)은 실제 주파수간 핸드오버 이전에 상기 제 2 주파수상에서의 기지국의 가상 동작 세트를 유지하는 것을 특징으로 하는 전기통신 시스템 내의 사용자 장치 유닛에서의 방법.
- 제 1 항 내지 5 항 중 어느 한 항에 따른 방법을 수행하는 사용자 장치에 통신 서비스를 제공하는 전기통신 네트워크에서의 방법에 있어서,기지국의 가상 동작 세트로의 사용자 장치 유닛의 스위칭을 행하기 위하여 상기 사용자 장치 유닛에서 행해진 주파수 특정이 인가될 때 상기 사용자 장치 유닛(UE)으로 주파수간 핸드오버 명령을 발부하는 단계를 포함하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 네트워크는 측정 제어 메시지에서 제 2 주파수상에서의 기지국의 가상 동작 세트에 관한 정보를 제공하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 7 항에 있어서,상기 측정 제어 메시지는 DCCH 제어 채널에 포함되는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 7 항에 있어서,상기 측정 제어 메시지는 측정되어야 할 측정 파라미터 및 측정을 트리거하는 소정의 측정 이벤트 중 하나를 더 포함하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 네트워크는 가상 동작 세트 갱신 절차에서 상기 제 2 주파수상에서의 기지국의 적어도 하나의 일부분의 동작 세트를 제공하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 네트워크는 상기 사용자 장치 유닛(UE)에서 행해진 주파수 측정이 인가될 때 상기 사용자 장치 유닛(UE)이 기지국의 가상 동작 세트를 자체적으로 갱신하도록 하는 인증 메시지를 상기 사용자 장치 유닛(UE)에 전송하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 11 항에 있어서,상기 인증 메시지는 상기 사용자 장치 유닛(UE)이 먼저 네트워크에 측정 보고를 전송하지 않고 상기 기지국의 가상 동작 세트의 갱신을 트리거할 수 있는 이벤트 또는 파라미터 중 하나를 지정하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 제 2 주파수상에서의 기지국의 가상 동작 세트는 상기 제 1 주파수상에서의 기지국의 현재 동작 세트를 유지하는 제 1 오퍼레이터와는 상이한 제 2 오퍼레이터에 의해 유지되는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 제 2 주파수상에서의 기지국의 가상 동작 세트는 상기 제 1 주파수상에 제공되는 제 1 네트워크 시스템과는 상이한 제 2 네트워크를 포함하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 6 항에 있어서,상기 네트워크는 상기 사용자 장치 유닛(UE)에서 행해진 주파수 측정이 상기 기지국의 가상 동작 세트로의 스위칭을 인가할 때를 결정하기 위해 주파수 품질 추정치를 사용하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 15 항에 있어서,상기 주파수 품질 추정치는 두 개의 요인: (1) 반송파 무선 신호 강도 표시(RSSI) 및 (2) 기지국 송수신기 아이덴티티 코드/기지국 식별기 코드(BSIC)가 확인되었는지 아닌지에 기초하는 것을 특징으로 하는 통신 서비스를 제공하는 전기통신 네트워크에서의 방법.
- 제 15 항에 있어서,상기 네트워크는 상기 사용자 장치 유닛(UE)에서 행해진 주파수 측정이 상기 기지국의 가상 동작 세트로의 스위칭을 인가할 때를 결정하기 위해 주파수 품질 추정치를 적어도 하나의 임계값에 비교하는 것을 특징으로 하는 전기통신 네트워크.
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Applications Claiming Priority (8)
Application Number | Priority Date | Filing Date | Title |
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US15394799P | 1999-09-15 | 1999-09-15 | |
US15394699P | 1999-09-15 | 1999-09-15 | |
US60/153,947 | 1999-09-15 | ||
US60/153,946 | 1999-09-15 | ||
US15457799P | 1999-09-17 | 1999-09-17 | |
US60/154,577 | 1999-09-17 | ||
US09/545,872 US6845238B1 (en) | 1999-09-15 | 2000-04-06 | Inter-frequency measurement and handover for wireless communications |
US09/545,872 | 2000-04-06 |
Publications (2)
Publication Number | Publication Date |
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KR20020026388A KR20020026388A (ko) | 2002-04-09 |
KR100759606B1 true KR100759606B1 (ko) | 2007-09-17 |
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Application Number | Title | Priority Date | Filing Date |
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KR1020027003407A KR100759606B1 (ko) | 1999-09-15 | 2000-09-15 | 무선 통신용 주파수간 측정 및 핸드오버 |
Country Status (14)
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US (1) | US6845238B1 (ko) |
EP (1) | EP1212918B1 (ko) |
JP (2) | JP4837859B2 (ko) |
KR (1) | KR100759606B1 (ko) |
CN (1) | CN1197428C (ko) |
AR (1) | AR025865A1 (ko) |
AT (1) | ATE532366T1 (ko) |
AU (1) | AU779979B2 (ko) |
CZ (1) | CZ2002953A3 (ko) |
DK (1) | DK1212918T3 (ko) |
ES (1) | ES2375556T3 (ko) |
MY (1) | MY125531A (ko) |
TW (1) | TW554635B (ko) |
WO (1) | WO2001020942A1 (ko) |
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WO2001020942A1 (en) | 2001-03-22 |
KR20020026388A (ko) | 2002-04-09 |
DK1212918T3 (da) | 2012-02-27 |
CN1197428C (zh) | 2005-04-13 |
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EP1212918B1 (en) | 2011-11-02 |
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JP2003509982A (ja) | 2003-03-11 |
CN1399855A (zh) | 2003-02-26 |
TW554635B (en) | 2003-09-21 |
JP4837859B2 (ja) | 2011-12-14 |
JP2012039622A (ja) | 2012-02-23 |
US6845238B1 (en) | 2005-01-18 |
AU779979B2 (en) | 2005-02-24 |
MY125531A (en) | 2006-08-30 |
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