KR20110045103A - 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 - Google Patents
패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 Download PDFInfo
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- KR20110045103A KR20110045103A KR1020117008471A KR20117008471A KR20110045103A KR 20110045103 A KR20110045103 A KR 20110045103A KR 1020117008471 A KR1020117008471 A KR 1020117008471A KR 20117008471 A KR20117008471 A KR 20117008471A KR 20110045103 A KR20110045103 A KR 20110045103A
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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
- H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
- H04W36/00224—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB]
- H04W36/00226—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between packet switched [PS] and circuit switched [CS] network technologies, e.g. circuit switched fallback [CSFB] wherein the core network technologies comprise IP multimedia system [IMS], e.g. single radio voice call continuity [SRVCC]
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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
- H04W36/0033—Control or signalling for completing the hand-off for data sessions of end-to-end connection with transfer of context information
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
- H04W88/02—Terminal devices
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/08—Upper layer protocols
- H04W80/10—Upper layer protocols adapted for application session management, e.g. SIP [Session Initiation Protocol]
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
- Telephonic Communication Services (AREA)
Abstract
Description
도 1은 예시적인 연결 프로그램을 나타낸 도.
도 2는 CS 폴백을 수행하도록 구성된 예시적인 WTRU와 e-노드 B(eNB)를 도시한 도.
도 3은 유휴 모드(Idle mode)에서 예시적인 MO(Mobile Originating) 호의 신호 흐름도(300).
도 4는 계속 진행중인 패킷 세션을 가진 활성 모드에서의 예시적인 MO 호 설정의 신호 흐름도.
도 5는 유휴 모드에서의 MT 호 설정을 포함하는 MT(Mobile Terminating) 호에 대한 예시적인 호 설정 방법의 신호 흐름도.
도 6은 계속 진행중인 패킷 세션을 가진 활성 모드에서의 MT 호 설정을 위한 예시적인 방법의 신호 흐름도.
도 7은 음성 클라이언트 선택을 처리하기 위한 예시적인 방법의 흐름도.
도 8은 유휴 모드에서의 예시적인 MO 호 설정의 신호 흐름도.
Claims (11)
- 무선 송수신 유닛(WTRU; wireless transmit/receive unit)에 있어서,
프로세서를 포함하고,
상기 프로세서는 NAS(Non-Access Stratum) 및 AS(Access Stratum)를 포함하고,
상기 NAS는, 인터넷 프로토콜(IP; Internet Protocol) 멀티미디어 서브시스템(IMS; IP Multimedia Subsystem) 등록 상태에 기초하여 회선 교환(CS; Circuit Switched) 폴백(fallback)을 수행할지 여부를 결정하고, WTRU가 CS 도메인에 연결(attached)되어 있는 경우에 회선 교환(CS) 폴백을 수행하라는 요청을 표시하는 서비스 요청을 전송하도록 구성되며,
상기 AS는, 상기 NAS로부터 상기 CS 서비스 요청을 수신하고, 상기 CS 서비스 요청의 표시를 E-UTRAN(Evolved UMTS(Universal Mobile Telecommunications System) Terrestrial Radio Access Network)에 CS 서비스 정보를 포함하는 무선 자원 제어(RRC; Radio Resource Control) 메시지로 전송하고, 상기 CS 서비스 요청에 응답하여 핸드오버 커맨드를 수신하도록 구성되는 것인, 무선 송수신 유닛. - 제1항에 있어서,
상기 AS는 또한 상기 CS 폴백의 표시를 상기 NAS에 전송하도록 구성된 것인 무선 송수신 유닛. - 제1항에 있어서,
상기 AS는,
레거시 AS; 및
상기 NAS로부터 상기 서비스 요청을 수신하고, 상기 CS 서비스 요청의 표시를 상기 RRC 메시지로 상기 E-UTRAN에 전송하고, 상기 핸드오버 커맨드를 수신하도록 구성된 LTE(Long Term Evolution) AS
를 포함하는 것인 무선 송수신 유닛. - 제3항에 있어서,
상기 레거시 AS는 상기 레거시 AS가 상기 LTE AS로부터 핸드오버 파라미터를 수신하는 경우에 상기 CS 폴백의 표시를 상기 NAS에 전송하도록 구성된 것인 무선 송수신 유닛. - 제1항에 있어서,
상기 NAS는 EMM(EPS(Evolved Packet System) Mobility Management)에게 CS 호를 통지하도록 구성된 MM(Mobility Management) 유닛을 포함하고, 상기 EMM은 상기 서비스 요청의 통지를 상기 AS에 전송하고 WTRU가 CS 도메인에서 동작하고 있다는 표시를 상기 MM에게 전송하도록 구성된 것인 무선 송수신 유닛. - 제1항에 있어서,
상기 AS는 상기 RRC 메시지 중의 확립 원인을 발신 CS 서비스를 표시하는 값으로 설정하도록 구성된 것인 무선 송수신 유닛. - 제1항에 있어서,
상기 AS는 확립 원인에 상기 CS 서비스의 세부 사항을 제공하도록 구성된 것인 무선 송수신 유닛. - 제1항에 있어서,
IMS 등록 상태에 기초하여 CS로 폴백할 것인지 여부를 결정하도록 구성된 MN(Mobile Node)를 더 포함하는 무선 송수신 유닛. - 무선 송수신 유닛(WTRU)이 수행하는 회선 교환(CS) 폴백 방법에 있어서,
IMS 등록 상태에 기초하여 CS 폴백을 수행할지 여부를 결정하고;
상기 WTRU가 CS 도메인에 연결되어 있는 경우에 CS 폴백을 수행하라는 요청을 표시하는 CS 서비스 요청을 상기 WTRU의 NAS로부터 수신하고;
상기 CS 서비스 요청의 표시를 E-UTRAN에 CS 서비스 정보를 포함하는 무선 자원 제어(RRC) 메시지로 전송하고;
상기 CS 서비스 요청에 응답하여 핸드오버 커맨드를 수신하는 것을 포함하는 회선 교환 폴백 방법. - 제9항에 있어서,
상기 CS 폴백의 표시를 상기 NAS에 전송하는 것을 더 포함하는 회선 교환 폴백 방법. - 제9항에 있어서,
EMM(EPS(Evolved Packet System) Mobility Management)에 CS 호를 통지하고;
상기 WTRU의 AS(Access Stratum)에 상기 서비스 요청의 통지를 전송하고;
상기 WTRU가 CS 도메인에서 동작하고 있다는 표시를 MM(Mobility Mangement) 유닛에 전송하는 것을 더 포함하는 회선 교환 폴백 방법.
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US3870108P | 2008-03-21 | 2008-03-21 | |
US61/038,701 | 2008-03-21 | ||
PCT/US2009/037685 WO2009117588A1 (en) | 2008-03-21 | 2009-03-19 | Method and apparatus to enable fallback to circuit switched domain from packet switched domain |
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KR1020107023483A Division KR101167434B1 (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
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KR1020147007283A Division KR20140046076A (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
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KR1020147007283A Ceased KR20140046076A (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
KR1020107023483A Active KR101167434B1 (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
KR1020147033933A Ceased KR20140144314A (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
KR1020117008471A Ceased KR20110045103A (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
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KR1020107023483A Active KR101167434B1 (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
KR1020147033933A Ceased KR20140144314A (ko) | 2008-03-21 | 2009-03-19 | 패킷 교환 도메인으로부터 회선 교환 도메인으로의 폴백 방법 및 장치 |
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US (2) | US8599791B2 (ko) |
EP (3) | EP2272278B1 (ko) |
JP (4) | JP5021844B2 (ko) |
KR (4) | KR20140046076A (ko) |
CN (3) | CN103648135B (ko) |
AR (1) | AR071032A1 (ko) |
HK (1) | HK1154450A1 (ko) |
IL (1) | IL208311A (ko) |
MY (1) | MY154256A (ko) |
TW (3) | TWI499322B (ko) |
WO (1) | WO2009117588A1 (ko) |
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