WO2015172088A1 - Methods and mobility management entity, mme, for re-directing a ue to a dedicated core network node - Google Patents

Methods and mobility management entity, mme, for re-directing a ue to a dedicated core network node Download PDF

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Publication number
WO2015172088A1
WO2015172088A1 PCT/US2015/029999 US2015029999W WO2015172088A1 WO 2015172088 A1 WO2015172088 A1 WO 2015172088A1 US 2015029999 W US2015029999 W US 2015029999W WO 2015172088 A1 WO2015172088 A1 WO 2015172088A1
Authority
WO
WIPO (PCT)
Prior art keywords
wtru
mme
dedicated
node
subscription information
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
PCT/US2015/029999
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English (en)
French (fr)
Inventor
Mahmoud Watfa
Guanzhou Wang
Behrouz Aghili
Amir HELMY
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
InterDigital Patent Holdings Inc
Original Assignee
InterDigital Patent Holdings Inc
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority to CN202010170507.7A priority Critical patent/CN111510980B/zh
Priority to JP2017511564A priority patent/JP6302138B2/ja
Priority to KR1020207016298A priority patent/KR102321203B1/ko
Priority to CN201580037053.3A priority patent/CN106664627B/zh
Priority to KR1020167034308A priority patent/KR102324580B1/ko
Priority to KR1020227020714A priority patent/KR102665147B1/ko
Priority to EP15725160.4A priority patent/EP3141039B1/en
Priority to CN202010170506.2A priority patent/CN111510979B/zh
Priority to RU2016147961A priority patent/RU2695809C2/ru
Priority to US15/309,574 priority patent/US9955393B2/en
Priority to KR1020217036105A priority patent/KR102412234B1/ko
Priority to CN202010170150.2A priority patent/CN111510978B/zh
Application filed by InterDigital Patent Holdings Inc filed Critical InterDigital Patent Holdings Inc
Publication of WO2015172088A1 publication Critical patent/WO2015172088A1/en
Anticipated expiration legal-status Critical
Priority to US15/959,701 priority patent/US10264498B2/en
Priority to US16/385,529 priority patent/US10757626B2/en
Priority to US17/002,246 priority patent/US11228956B2/en
Priority to US17/577,591 priority patent/US11716661B2/en
Ceased legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/12—Reselecting a serving backbone network switching or routing node
    • 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
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic

Definitions

  • the WTRUs 102a, 102b, 102c, 102d may be configured to transmit and/or receive wireless signals and may include user equipment (UE), a mobile station, a fixed or mobile subscriber unit, a pager, a cellular telephone, a personal digital assistant (PDA), a smartphone, a laptop, a netbook, a personal computer, a wireless sensor, consumer electronics, and the like.
  • UE user equipment
  • PDA personal digital assistant
  • smartphone a laptop
  • netbook a personal computer
  • a wireless sensor consumer electronics, and the like.
  • the base station 114a and the WTRUs are identical to the base station 114a and the WTRUs.
  • the MME 142 may be responsible for authenticating users of the WTRUs 102a, 102b, 102c, bearer activation/deactivation, selecting a particular serving gateway during an initial attach of the WTRUs 102a, 102b, 102c, and the like.
  • the MME 142 may also provide a control plane function for switching between the RAN 104 and other RANs (not shown) that employ other radio technologies, such as GSM or WCDMA.
  • the serving gateway 144 may be connected to each of the eNode
  • GUTI ⁇ GUMMEI> ⁇ M-TMSI>.
  • the eNB 420 may route the TAU Request 405 to the dedicated MME 440 based on the MMEGI.
  • the dedicated MME 440 may then perform an identification procedure 406 with the MME 430 to get context information from the MME 430.
  • the dedicated MME 440 may establish bearers 407 for communicating with the dedicated S/PGW 470.
  • the dedicated MME 440 may also contact the HSS 460 to perform ULR/ULA commands 408 to update the location information of the WTRU 410 in the HSS 460.
  • a WTRU may be switched back from a dedicated CN node to a non-dedicated CN node for a number of different reasons.
  • the dedicated CN node may be overloaded or malfunctioning due to hardware or software failure, or the WTRU may be scheduled to stay with a dedicated CN node for a configured period of time.
  • a mechanism may switch the WTRU from the dedicated CN node to a non-dedicated CN node.
  • a device may not necessarily be limited to a single type of traffic or data usage.
  • the device may support various types of activities and behaviors over its lifetime.
  • a device may be configured to run machine type applications, for example reporting automated measurements, at one point in time, while at another point in time the same device may be used with human interaction for a different type of service/application.
  • the device may be redirected from one dedicated CN node to another in order to meet the communication requirements/characteristics of the specific service the device is currently using.
  • a mechanism to support the relocation of a WTRU from one dedicated CN node to another may be needed.
  • the eNB may pass that information to the first MME. This way, if the MME already is a dedicated CN node, the MME may continue with the attach procedure and, if not, it may then request or command the eNB to reroute the attach message to another MME.
  • the Service Request procedure may be responded to by sending a GUTI reallocation command upon which the WTRU 710 may consider the procedure to have completed and stop the timer that guards the Service Request procedure.
  • the GUTI reallocation procedure may be initiated after the CN node triggered handover command.
  • an existing mechanism may be used to quickly redirect the WTRUs.
  • the MME may use a load balancing procedure, which may cause the Si and RRC connections to be released.
  • the RRC may include a release code set to "load balancing TAU required," which may force the WTRU to perform a TAU.
  • the MME may receive a Service Request message or an Extended Service Request message and the profile information of the WTRU, as provided by the HSS.
  • the profile information may indicate that the WTRU should be served by a dedicated CN node.
  • the MME may initiate a GUTI reallocation command procedure/message before or after the completion of the Service Request procedure. If the GUTI reallocation command is run before the completion of the Service Request procedure, the MME may optionally send a Service Reject with a cause code that may force the WTRU to re-attach to the system.
  • the WTRU 810 may omit the S-TMSI, which has the MME code of the dedicated MME 820, from the RRC Connection Request message.
  • the methods described above for including some indication in the RRC message to force the eNB to choose the dedicated CN node may also be used similarly to force the eNB to choose the normal MME for this new Attach Request.
  • a WTRU comprising a periodic timer.

Landscapes

  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)
PCT/US2015/029999 2014-05-08 2015-05-08 Methods and mobility management entity, mme, for re-directing a ue to a dedicated core network node Ceased WO2015172088A1 (en)

Priority Applications (16)

Application Number Priority Date Filing Date Title
JP2017511564A JP6302138B2 (ja) 2014-05-08 2015-05-08 Ｕｅを専用コアネットワークノードにリダイレクトするための方法、およびモビリティ管理エンティティ、ｍｍｅ
KR1020207016298A KR102321203B1 (ko) 2014-05-08 2015-05-08 Ｕｅ를 전용 코어 네트워크 노드에 리디렉트하기 위한 방법들 및 이동성 관리 엔티티(ｍｍｅ)
CN201580037053.3A CN106664627B (zh) 2014-05-08 2015-05-08 用于将ue重定向到专用核心网络节点的方法以及移动性管理实体mme
KR1020167034308A KR102324580B1 (ko) 2014-05-08 2015-05-08 Ｕｅ를 전용 코어 네트워크 노드에 리디렉트하기 위한 방법들 및 이동성 관리 엔티티(ｍｍｅ)
KR1020227020714A KR102665147B1 (ko) 2014-05-08 2015-05-08 Ｕｅ를 전용 코어 네트워크 노드에 리디렉트하기 위한 방법들 및 이동성 관리 엔티티(ｍｍｅ)
EP15725160.4A EP3141039B1 (en) 2014-05-08 2015-05-08 Method and mobility management entity, mme, for re-directing a ue to a dedicated core network node
CN202010170506.2A CN111510979B (zh) 2014-05-08 2015-05-08 用于将ue重定向到专用核心网络节点的方法以及移动性管理实体mme
US15/309,574 US9955393B2 (en) 2014-05-08 2015-05-08 Methods and apparatus for selection of dedicated core network
RU2016147961A RU2695809C2 (ru) 2014-05-08 2015-05-08 Способы и объект управления мобильностью (мме) для перенаправления пользовательского оборудования (ue) на назначенный узел базовой сети
CN202010170507.7A CN111510980B (zh) 2014-05-08 2015-05-08 Ue到专用核心网络节点的重定向方法及无线发射接收单元
CN202010170150.2A CN111510978B (zh) 2014-05-08 2015-05-08 用于将ue重定向到专用核心网络节点的方法以及移动性管理实体mme
KR1020217036105A KR102412234B1 (ko) 2014-05-08 2015-05-08 Ｕｅ를 전용 코어 네트워크 노드에 리디렉트하기 위한 방법들 및 이동성 관리 엔티티(ｍｍｅ)
US15/959,701 US10264498B2 (en) 2014-05-08 2018-04-23 Methods and apparatus for selection of dedicated core network
US16/385,529 US10757626B2 (en) 2014-05-08 2019-04-16 Methods and apparatus for selection of dedicated core network
US17/002,246 US11228956B2 (en) 2014-05-08 2020-08-25 Methods and apparatus for selection of dedicated core network
US17/577,591 US11716661B2 (en) 2014-05-08 2022-01-18 Methods and apparatus for selection of dedicated core network

Applications Claiming Priority (6)

Application Number Priority Date Filing Date Title
US201461990543P 2014-05-08 2014-05-08
US61/990,543 2014-05-08
US201462014356P 2014-06-19 2014-06-19
US62/014,356 2014-06-19
US201462017628P 2014-06-26 2014-06-26
US62/017,628 2014-06-26

Related Child Applications (2)

Application Number Title Priority Date Filing Date
US15/309,574 A-371-Of-International US9955393B2 (en) 2014-05-08 2015-05-08 Methods and apparatus for selection of dedicated core network
US15/959,701 Continuation US10264498B2 (en) 2014-05-08 2018-04-23 Methods and apparatus for selection of dedicated core network

Publications (1)

Publication Number Publication Date
WO2015172088A1 true WO2015172088A1 (en) 2015-11-12

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Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US2015/029999 Ceased WO2015172088A1 (en) 2014-05-08 2015-05-08 Methods and mobility management entity, mme, for re-directing a ue to a dedicated core network node

Country Status (7)

Country Link
US (5) US9955393B2 (enExample)
EP (1) EP3141039B1 (enExample)
JP (1) JP6302138B2 (enExample)
KR (4) KR102321203B1 (enExample)
CN (4) CN111510979B (enExample)
RU (1) RU2695809C2 (enExample)
WO (1) WO2015172088A1 (enExample)

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