WO2013120506A1 - Appareil, procédé, système et produit de programme informatique destinés à la gestion de demande - Google Patents

Appareil, procédé, système et produit de programme informatique destinés à la gestion de demande Download PDF

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Publication number
WO2013120506A1
WO2013120506A1 PCT/EP2012/052381 EP2012052381W WO2013120506A1 WO 2013120506 A1 WO2013120506 A1 WO 2013120506A1 EP 2012052381 W EP2012052381 W EP 2012052381W WO 2013120506 A1 WO2013120506 A1 WO 2013120506A1
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WO
WIPO (PCT)
Prior art keywords
request
access network
address
mss
processor
Prior art date
Application number
PCT/EP2012/052381
Other languages
English (en)
Inventor
Laszlo Janosi
Original Assignee
Nokia Siemens Networks Oy
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
Application filed by Nokia Siemens Networks Oy filed Critical Nokia Siemens Networks Oy
Priority to PCT/EP2012/052381 priority Critical patent/WO2013120506A1/fr
Publication of WO2013120506A1 publication Critical patent/WO2013120506A1/fr

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Classifications

    • 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
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H04W76/15—Setup of multiple wireless link connections
    • H04W76/16—Involving different core network technologies, e.g. a packet-switched [PS] bearer in combination with a circuit-switched [CS] bearer

Definitions

  • the present invention relates to requests handling. More specifically, the present invention relates to methods, apparatuses, system and computer program product for handling request.
  • GSM Global System for Mobile Communications
  • UMTS Universal Mobile Terrestrial System
  • HLR home location register
  • VLR visitor location register
  • the HLR may store subscriber parameters permanently and the current location of a UE
  • the VLR may store all relevant data concerning a subscriber when a UE (user equipment) used by the subscriber is within the area controlled by that visitor location register.
  • Evolved Packet System the successor of GPRS (General Packet Radio System), comprises Evolved Packet Core network (EPC) and Universal Terrestrial Radio Access Network (Evolved UTRAN or E-UTRAN). It provides radio interface and packet core network functions for broadband wireless data access.
  • EPC Evolved Packet Core network
  • E-UTRAN Universal Terrestrial Radio Access Network
  • the functional entities within the scope of EPC are, for example, the Mobility Management Entity (MME), Packet Data Network Gateway (PDN-GW) and Serving Gateway (S-GW).
  • MME Mobility Management Entity
  • PDN-GW Packet Data Network Gateway
  • S-GW Serving Gateway
  • MME Mobility Management Entity
  • a UE 100 is available for service under both EPS and 2G/3G. It may be camped on either E-UTRAN 102 or UTRAN/GERAN (GSM/EDGE Radio Access
  • Network 101 but not on two access networks simultaneously.
  • the UE is camped on E-UTRAN, it is not reachable over UTRAN or GERAN.
  • Being camped on a radio access network means a UE is fully attached to the access network. It may listen to all the channel of the radio access network (paging, broadcast, etc).
  • CSFB Circuit Switched Fallback
  • SMS Short Message Service
  • USSD Unstructured Supplementary Service Data
  • CSFB feature enables a UE to change its radio access technology from, e.g. LTE (Long term Evolution)/EPS, to a 2G/3G technology (e.g. UTRAN/GERAN) that supports circuit-switched services.
  • SGs is the interface between MME 121 and MSC (Mobile Switching Center)/MSS (Mobile Switching Server) 11 1/1 13.
  • a UE 100 When a UE 100 registers in EPS, it may indicate its CSFB capability to MME 121. If EPS supports CSFB, the MME 121 may perform a location update procedure via SGs interface towards a MSC/MSS 11 1 on behalf of the UE. The MSS 1 11 may download CS subscription data from a HLR 112 with normal location update procedure. After that, the UE 100 may be registered in the MSS, too.
  • Mobile terminated CS events e.g. call, SMS, mobile-terminated location request
  • MME 121 may send a Paging Request to MME 121 over SGs interface to indicate the incoming CS event and MME 121 may search for the UE 100.
  • any request that activates procedures only executable under 2G/3G may trigger a Paging Request (for the purpose of paging a UE) to be send to a MME via SGs interface.
  • Paging Request for the purpose of paging a UE
  • These request may be, for example, MAP (Mobile Application Part) Provide Subscriber Information request (MAP PSI), MAP Provide Location Information request (MAP PLI) and Network Initiated Supplementary Service request (Nl SS).
  • MAP PSI Mobile Application Part
  • MAP PLI MAP Provide Location Information request
  • Nl SS Network Initiated Supplementary Service
  • the paging procedure may force the UE 100 to fall back to CS access network (e.g. UTRAN/GERAN) 101 with CS Fallback procedure as shown in Fig.1.
  • CS access network e.g. UTRAN/GERAN
  • CS Fallback procedure as shown in Fig.1.
  • the UE may return to EPS.
  • a Tracking Area may be controlled one or more MME.
  • a Location Area may be controlled by a MSS. However, Tracking Area and Location Area are not aligned.
  • the UE 100 falls back to 2G/3G access network, it may fall back to a LA which is not controlled by the MSS 1 11 that has initiated the paging request via SGs interface. Such situation may cause the paging procedure fail and eventually makes the original procedure/request that triggered the paging procedure fail as well.
  • a method for a first apparatus comprising receiving a first request executable to a UE when operating in a first access network, wherein said UE being attached to a second access network and operable in either of the first and the second access network; sending a second request to a first node controlling said UE in the second access network in order to locate said UE; receiving an indication indicating said UE being under control of a second apparatus in the first access network; obtaining an address of said second apparatus; and forwarding said first request to said second apparatus.
  • obtaining the address of said second apparatus comprises sending a third request to a second node to request said address, and receiving the requested address.
  • said method further comprises receiving a fourth request comprising a temporary identity of said UE and sending another identity of said UE in response to the fourth request.
  • obtaining the address of said second apparatus comprises receiving a fifth request comprising said address from said second apparatus.
  • said fifth request comprises a temporary identity of said UE and said fifth request requesting another identity of the UE.
  • said method further comprises sending another identity of said UE in response to the fifth request.
  • said method further comprises receiving a response to the first request from said second apparatus and sending the response to a network element that initiated the first request.
  • said indication indicating said UE being under control of the second apparatus in the first access network further comprises either a MAP cancel location message or a MAP send identification message.
  • a first apparatus comprising a processor, a memory unit, a receiver and a transmitter.
  • Said receiver is configured to receive a first request executable to a UE when operating in a first access network, wherein said UE being attached to a second access network and operable in either of the first and the second access network.
  • said processor is configured to send a second request to a first node controlling said UE in the second access network in order to locate said UE.
  • Said receiver is configured to receive an indication indicating said UE being under control of a second apparatus in the first access network.
  • Said processor is configured to obtain an address of said second apparatus, and to forward said first request to said second apparatus via said transmitter.
  • said processor is further configured to send a third request to a second node to request said address, and to receive the requested address.
  • said processor is further configured to receive a fourth request comprising a temporary identity of said UE and to send another identity of said UE in response to the fourth request.
  • said processor in order to obtain the address of said second apparatus, said processor is further configured to receive a fifth request comprising said address from said second apparatus.
  • said fifth request comprises a temporary identity of said UE and said fifth request requesting another identity of the UE .
  • said processor is further configured to send another identity of said UE in response to the fifth request.
  • said processor is further configured to receive a response to the first request from said second apparatus and to send the response to a network element initiated the first request.
  • said indication indicating said UE being under control of the second apparatus in the first access network comprises either a MAP cancel location message or a MAP send identification message.
  • a computer program product for a first apparatus comprising.
  • Said computer program product comprises means for receiving a first request executable to a UE when operating in a first access network, wherein said UE being attached to a second access network and operable in either of the first and the second access network; means for sending a second request to a first node controlling said UE in the second access network in order to locate said UE; means for receiving an indication indicating said UE being under control of a second apparatus in the first access network; means for obtaining an address of said second apparatus; and means for forwarding said first request to said second apparatus.
  • Figure 1 is an exemplary example illustrating a network architecture under which a UE may be operating.
  • Figure 2 illustrates a situation where a request is rejected.
  • Figure 3 illustrates other situations where requests are rejected.
  • Figure 4 shows a solution according to one aspect of the invention.
  • Figure 5 shows another solution according to another aspect of the invention.
  • Figure 6 shows a solution according to a further aspect of the invention.
  • Figure 7 depicts a schematic block diagram illustrating an apparatus according to one embodiment of the invention.
  • FIG. 2 illustrates a situation where a request is rejected due to the unavailability of a UE.
  • a UE 100 is registered in both EPS and 2G/3G GERAN/UTRAN 101 and available for the service from either of the access networks (i.e. E-UTRAN and GERAN/UTRAN) as shown in step 203. Both the EPS and the UE 100 support CSFB.
  • the UE 100 is camped on EPS via E-UTRAN 102 access network.
  • a Gateway Mobile Location Center (GMLC) may request celljd, geographical information about the UE 100 by sending a message MAP PLI Request 204, which is a mobile terminated event (MT), to a first MSS 11 1.
  • MAP PLI Request 204 which is a mobile terminated event (MT)
  • the first MSS may initiate a paging request to a MME 121 via SGs interface.
  • the MME 121 may receive SGsAP-PAGING-REQUEST 205 from the first MSS 11 1. If the UE 100 is in EMM-IDLE mode, the MME 121 may start a paging procedure 206 in E-UTRAN in order to locate the UE. If the UE 100 is in EMM-CONNECTED mode, the MME 121 already has a direct connection to the UE 100. Then there is no need to page the UE. The MME 121 may use the existing connection to send a notification 206 to the UE 100 about the incoming MT Event.
  • the MME 121 may sends SGsAP-SERVICE- REQUEST 207 back to the first MSS 11 1 , indicating that the UE 100 has been located in E-UTRAN access network and has been notified about the incoming MT event.
  • the UE 100 may thus fall back to 2G/3G and connect to a second MSS 1 13, being different from the first MSS 1 11 , controlling a LA where the UE 100 is located after the fallback as depicted in step 208.
  • the UE 100 may fall back to a LA that is not under the control of the first MSS 11 1 which initiated the paging procedure. If that happens, the UE 100 may initiate a Location Update Request 209 towards the second MSS 113 that controls the LA where the UE 100 is currently located. After a standard location update procedure 210 between a HLR 1 12 and the second MSS 1 13, the HLR 1 12 may inform the first MSS 11 1 that the UE 100 is under the control of another MSS (e.g. the second MSS 1 13) by sending a MAP Cancel Location message 21 1 to the first MSS 11 1. As the paging procedure 205 initiated by the first MSS 1 11 is not successful due to the unavailability of the UE 100, the first MSS 11 1 may send MAP PLI Reject message 212 to GMLC. The initial request 204 thus fails.
  • Figure 3 illustrates another situation where requests can be rejected.
  • requests such as MAP PSI and Nl SS as shown in step 304, which may be sent by a HLR 1 12 for instance, could also trigger a paging procedure. Similar to what has been described in Fig.2, due to the fact that the UE 100 may fall back to a LA that is not controlled by the first MSS 1 11 which initiated the Paging procedure, the request may fail for the same reason as explained above.
  • a request such as MAP Provide Location Information 404, may trigger a first MSS 11 1 to page a UE 100 just as described in Fig.2.
  • the steps 401 to 410 in Fig. 4 are identical to steps 201 to 210 in Fig.2.
  • the UE 100 may identify itself by an identifier associated with a subscriber, e.g. an IMSI (International Mobile Subscriber Identity), when sending the Location Update Request towards a second MSS 1 13 which controls a LA where the UE 100 is located after the fallback.
  • the second MSS 113 may initiate a location update procedure 410 together with a HLR 112.
  • the HLR 1 12 may inform the first MSS 1 11 that the UE 100 is now registered in another MSS (e.g. the second MSS 113) by sending a message, e.g. MAP Cancel Location 41 1.
  • the first MSS 111 may determine that the paging request sent over SGs interface to a MME 121 may not be answered because the UE 100 has fallen back to a LA not under its control. It may send a MAP Send Info for LCS (Location Service) message 412 towards the HLR 1 12 in order to obtain the address of the second MSS 1 13 that controls the UE 100 at the moment.
  • Said message may comprise an identity of the UE, e.g. a MSISDN (Mobile Subscriber ISDN
  • the HLR 1 12 may provide an address of the second MSS 113 to the first MSS 1 11 by sending e.g. MAP Send Info for LCS
  • the address of the second MSS 113 may be an E.164 address, for instance.
  • E.164 is an ITU-T (International Telecommunication Union- Telecommunication Standardization Sector) recommendation that defines the international public telecommunication numbering plan used in the PSTN (Public Switched Telephone Network) and some other data networks. It also defines the format of telephone numbers.
  • the first MSS 1 11 may forward the initial request (i.e. MAP Provide Location Information) 405 that triggered the paging procedure to the second MSS step 415.
  • the second MSS 1 13 may start a location update procedure 416 towards the UE 100. It may keep the signalling connection with the UE 100 for certain period of time after the procedure ends.
  • the second MSS 113 may use the existing signalling connection with the UE 100. No new paging is needed. If the request from the first MSS 11 1 arrives after the connection is released, the second MSS 1 13 may need to page the UE 100 again over A/lu interface. The second MSS 113 may obtain the requested information from the paging procedure or via the existing connection with the UE 100 and forward them to the first MSS 1 11 by e.g. sending a MAP Provide Location Information Response message 417. At step 418, the first MSS 1 11 may send the received information to the network element originated the initial request 404.
  • the request 404 which may trigger the paging procedure may also be MAP PSI or Nl SS as described in Fig.3.
  • the solution described above may also be applicable to these situations.
  • Figure 5 describes a solution according to another aspect of the invention.
  • steps 501 to 509 are identical to steps 401 to 409 in Fig.4.
  • the UE 100 may optionally identify itself with another identifier associated with a subscriber, e.g. a Temporary Mobile Subscriber Identity (TMSI).
  • TMSI Temporary Mobile Subscriber Identity
  • a TMSI sometimes may be used instead of an IMSI.
  • the Location Update Request may comprise the information relating to the previous LA where the UE 100 was located before the fallback.
  • the TMSI may comprise a Network Resource Identifier (NRI) that may be used to identify a MSS (i.e. the first MSS 11 1) of which the UE was under control before the fallback.
  • NRI Network Resource Identifier
  • every MSS may be aware of the MSSes which control its neighbouring LA. So, based on the received information relating to the LA, the second
  • MSS 113 may identify the identity of the first MSS 1 11 from its own database.
  • the second MSS 1 13 detects that the UE 100 is using a TMSI, it may send a message 510 comprising the TMSI to the first MSS 11 1 in order to inquiry the corresponding IMSI and authentication vectors.
  • Such request may also be an indication to the first MSS 11 1 that the UE 100 has fallen back to a LA that is controlled by another MSS, e.g. the second
  • the first MSS 1 11 may provide the requested IMSI to the second MSS by sending a MAP Send Identification Response message 51 1. Assuming that there are other network elements, e.g. Signal Transfer Point, placed between the first MSS 111 and the second MSS 113, the first MSS 11 1 may not be able extract the address of the second MSS 1 13 even though the messages are exchanged between them indirectly.
  • the second MSS 1 13 may initiate a location update procedure 512 together with a HLR 112.
  • the first MSS 11 1 may send a message (e.g. MAP Send Info for LCS) comprising an identity of the UE (e.g.
  • the HLR 1 12 may send an address (e.g. E.614 address) of the second MSS 1 13 to the first MSS 11 1 via a message, e.g. MAP Send Info for LCS 514.
  • the first MSS 1 11 may then forward the received request 504 to the second MSS 1 13 as shown in 516.
  • the rest of the procedures in Fig.5 i.e. 517 to 519) are similar to the corresponding procedure (i.e. 416 to 418) in Fig.4.
  • the request 504 which may trigger the paging procedure may also be MAP PSI or Nl SS as described in Fig.3.
  • the solution described above may also be applicable to these situations.
  • FIG. 6 describes a solution according to a further aspect of the invention.
  • Steps 601 to 609 in Fig.6 are identical to steps 501 to 509 in Fig.5.
  • the UE 100 identifies itself with a TMSI when sending Location Update request 609.
  • the first MSS 1 11 and the second MSS 1 13 may be connected to each other directly, without any intermediate network element in between.
  • the second MSS 113 requests the IMSI associated with the TMSI from the first MSS 1 11 by sending a message, e.g. MAP Send Identification 610
  • the first MSS 11 1 may also extract the address (e.g. E.164 address) of the second MSS 113.
  • Said message 610 may also indicate the first MSS 11 1 that the UE 100 has fallen back to a LA controlled by another MSS, e.g. the second MSS 113.
  • the first MSS 1 11 may provide the requested IMSI to the second MSS 113 by sending a response message, e.g. MAP Send Identification
  • the first MSS 11 1 may forward the original request 604 to the second MSS 113 as depicted in 614.
  • the remaining procedures i.e. 615 to 617) are identical to the procedures (i.e. 517 to 519) in Fig.5.
  • FIG. 7 shows a schematic block diagram illustrating an apparatus 700 according to one embodiment of the invention.
  • Said apparatus may comprise a processor (or a processing means) 701 , a memory unit 702, a transmitter (or a transmitting means) 703 and a receiver (or receiving means) 704. It may be noted that the receiver or transmitter may be an integral transceiver or separate functional entities.
  • Said memory unit may comprise a database (not shown in the figure).
  • Said apparatus 700 may be a first MSS 11 1.
  • Said receiver may receive a request 204/304/404/504/604 relating to mobile terminated event or a request that can activate procedures only executable under 2G/3G, such as MAP PSI, MAP PLI or Nl SS.
  • said processor 701 may be configured to send a paging request (e.g. 405/505/605) to a MME 121 via SGs interface. It may receive an indication 41 1/510/610 indicating that a UE 100 falls back to a LA that is controlled by another apparatus, e.g. a second MSS 1 13. Said processor 701 may request an address (e.g. E.164 address) of the second MSS 113 that is controlling the LA where the UE 100 is located. Through said receiver 704, said apparatus 700 may receive the requested address of the second MSS 1 13 as shown in 413/514 or extract the address from the received message 610 sent by the second MSS 113.
  • a paging request e.g. 405/505/605
  • Said processor 701 may request an address (e.g. E.164 address) of the second MSS 113 that is controlling the LA where the UE 100 is located.
  • said apparatus 700 may receive the requested address of the second MSS 1 13 as shown in 413/514
  • said processor 701 may forward the received request 204/304/404/504/604 to the second MSS 113 as depicted in 415/516/616 so that the request may be handled by the second MSS 113.
  • said apparatus 700 may receive information relating to the forwarded request from the second MSS 113 as shown in 417/518/616 and forward the received information to a network element originated the initial request 418/519/617.
  • - method steps and/or devices likely to be implemented as hardware components at one of the server entities are hardware independent and can be implemented using any known or future developed hardware technology or any hybrids of these, such as MOS, CMOS, BiCMOS, ECL, TTL, etc, using for example ASIC components or DSP components, as an example;
  • any method step is suitable to be implemented as software or by hardware without changing the idea of the present invention
  • - devices can be implemented as individual devices, but this does not exclude that they are implemented in a distributed fashion throughout the system, as long as the

Abstract

L'invention concerne un appareil, un procédé, un système et un produit de programme informatique permettant de gérer un mécanisme de demande pour un premier appareil. Ledit mécanisme comprend les étapes consistant à : recevoir une première demande exécutable pour un équipement d'utilisateur (UE) lors d'un fonctionnement dans un premier réseau d'accès, ledit UE étant attaché à un second réseau d'accès et utilisable dans l'un ou l'autre du premier et du second réseau d'accès; à envoyer une seconde demande à un premier nœud commandant ledit UE dans le second réseau d'accès afin de localiser ledit UE; à recevoir une indication indiquant que ledit UE est sous la commande d'un second appareil dans le premier réseau d'accès; à obtenir une adresse dudit second appareil; et à transmettre ladite première demande audit second appareil.
PCT/EP2012/052381 2012-02-13 2012-02-13 Appareil, procédé, système et produit de programme informatique destinés à la gestion de demande WO2013120506A1 (fr)

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PCT/EP2012/052381 WO2013120506A1 (fr) 2012-02-13 2012-02-13 Appareil, procédé, système et produit de programme informatique destinés à la gestion de demande

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PCT/EP2012/052381 WO2013120506A1 (fr) 2012-02-13 2012-02-13 Appareil, procédé, système et produit de programme informatique destinés à la gestion de demande

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015036308A1 (fr) * 2013-09-13 2015-03-19 Telefonaktiebolaget L M Ericsson (Publ) Systèmes et procédés permettant à un serveur de localisation d'obtenir efficacement des informations de localisation depuis une entité de gestion de localisation

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009095777A1 (fr) * 2008-01-31 2009-08-06 Telefonaktiebolaget L M Ericsson (Publ) Reprise par commutation de circuits pour appels entrant de téléphone mobile
WO2011102560A1 (fr) * 2010-02-22 2011-08-25 Nec Corporation Procédé de commande à terminaison mobile et dispositifs de réseaux associés
US20110317659A1 (en) * 2010-06-23 2011-12-29 Qualcomm Incorporated System, apparatus, and method for circuit switched fallback reliability in wireless communication systems
WO2012045377A1 (fr) * 2010-10-05 2012-04-12 Telefonaktiebolaget L M Ericsson (Publ) Technique de gestion de tentative de connexion dans une situation de repli sur circuit commuté

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009095777A1 (fr) * 2008-01-31 2009-08-06 Telefonaktiebolaget L M Ericsson (Publ) Reprise par commutation de circuits pour appels entrant de téléphone mobile
WO2011102560A1 (fr) * 2010-02-22 2011-08-25 Nec Corporation Procédé de commande à terminaison mobile et dispositifs de réseaux associés
US20110317659A1 (en) * 2010-06-23 2011-12-29 Qualcomm Incorporated System, apparatus, and method for circuit switched fallback reliability in wireless communication systems
WO2012045377A1 (fr) * 2010-10-05 2012-04-12 Telefonaktiebolaget L M Ericsson (Publ) Technique de gestion de tentative de connexion dans une situation de repli sur circuit commuté

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Basic call handling; Technical realization (Release 11)", 3GPP STANDARD; 3GPP TS 23.018, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. CT WG4, no. V11.1.0, 17 December 2011 (2011-12-17), pages 1 - 298, XP050554571 *
"3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Circuit Switched (CS) fallback in Evolved Packet System (EPS); Stage 2 (Release 10)", 3GPP STANDARD; 3GPP TS 23.272, 3RD GENERATION PARTNERSHIP PROJECT (3GPP), MOBILE COMPETENCE CENTRE ; 650, ROUTE DES LUCIOLES ; F-06921 SOPHIA-ANTIPOLIS CEDEX ; FRANCE, vol. SA WG2, no. V10.6.0, 14 December 2011 (2011-12-14), pages 1 - 81, XP050554514 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015036308A1 (fr) * 2013-09-13 2015-03-19 Telefonaktiebolaget L M Ericsson (Publ) Systèmes et procédés permettant à un serveur de localisation d'obtenir efficacement des informations de localisation depuis une entité de gestion de localisation
US9392569B2 (en) 2013-09-13 2016-07-12 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for a location server to efficiently obtain location information from a location management entity
US9801042B2 (en) 2013-09-13 2017-10-24 Telefonaktiebolaget Lm Ericsson (Publ) Systems and methods for a location server to efficiently obtain location information from a location management entity

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