WO2009148173A1 - 移動体通信システム、ノード装置及び網間移行制御方法 - Google Patents
移動体通信システム、ノード装置及び網間移行制御方法 Download PDFInfo
- Publication number
- WO2009148173A1 WO2009148173A1 PCT/JP2009/060401 JP2009060401W WO2009148173A1 WO 2009148173 A1 WO2009148173 A1 WO 2009148173A1 JP 2009060401 W JP2009060401 W JP 2009060401W WO 2009148173 A1 WO2009148173 A1 WO 2009148173A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- network
- gateway node
- node
- call connection
- identification information
- Prior art date
Links
- 238000010295 mobile communication Methods 0.000 title claims abstract description 36
- 238000000034 method Methods 0.000 title claims description 23
- 238000013508 migration Methods 0.000 title claims description 17
- 230000005012 migration Effects 0.000 title claims description 17
- 230000007704 transition Effects 0.000 claims description 14
- 238000006243 chemical reaction Methods 0.000 claims description 7
- 230000007774 longterm Effects 0.000 claims description 3
- 230000000977 initiatory effect Effects 0.000 claims description 2
- 238000004891 communication Methods 0.000 description 18
- 238000012545 processing Methods 0.000 description 15
- 238000012546 transfer Methods 0.000 description 11
- 238000010586 diagram Methods 0.000 description 6
- 102000018059 CS domains Human genes 0.000 description 5
- 108050007176 CS domains Proteins 0.000 description 5
- 230000005540 biological transmission Effects 0.000 description 4
- 230000001413 cellular effect Effects 0.000 description 2
- 230000006866 deterioration Effects 0.000 description 2
- 240000007594 Oryza sativa Species 0.000 description 1
- 235000007164 Oryza sativa Nutrition 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
- 235000009566 rice Nutrition 0.000 description 1
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
- H04W36/0011—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]
-
- 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
- H04W36/00—Hand-off or reselection arrangements
- H04W36/13—Cell handover without a predetermined boundary, e.g. virtual cells
-
- 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
- H04W88/16—Gateway arrangements
-
- 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
- H04W76/00—Connection management
- H04W76/10—Connection setup
- H04W76/11—Allocation or use of connection identifiers
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W80/00—Wireless network protocols or protocol adaptations to wireless operation
- H04W80/04—Network layer protocols, e.g. mobile IP [Internet Protocol]
-
- 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]
-
- 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
- H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W92/00—Interfaces specially adapted for wireless communication networks
- H04W92/02—Inter-networking arrangements
Definitions
- the present invention relates to a mobile communication system, a node device, and an inter-network transition control method for performing mobile terminal transition control between a circuit switched network and a wireless broadband network.
- VCC Voice Call Continuity
- IMS Internet Protocol Multimedia Subsystem
- FIG. 1 is a diagram for explaining a general end-to-end call control scenario for transfer between access domains defined in Non-Patent Document 1 and the like.
- the mobile terminal B can access the cellular mobile network through the cellular radio ⁇ 3GPP_C S (Circuit Switched) ⁇ .
- the mobile terminal B can also access the IMS network via, for example, a home wireless LAN (Local Area Network).
- a home wireless LAN Local Area Network
- the mobile terminal B when the called mobile terminal B moves from the IMS domain to the CS domain, that is, performs a handover, the mobile terminal B starts call setup in the CS domain (step S 101 1 CS). . That is, the mobile terminal B transmits a SETUP message (call setup message in the CS telephone network) to an MS C (Mobile Services Switching Center) 100. In order to anchor this call control with VCC—AS 104, the call setup message is transferred to CSC F (Call Server Control Function) 103 via MGCF (Media Gateway Control Function) / MGW (Media Gateway) 101 ( Step SI 02, SI 03), and further transferred from the CSCF 103 to the VCC—AS 104 (step S104).
- CSC F Call Server Control Function
- MGW Media Gateway
- VCC—AS 104 sends a SIP UPD ATE (session update) message to initiate a call connection change or a Re—I NV I TE (re-session establishment request) message to CS CF 103 ( Step S 105).
- SIP UPDATE session update
- Re—I NV I TE re-session establishment request
- SDP Session Description Protocol
- SIP UPDATE message or Re—I NV I TE message is forwarded from CSCF 103 to CSCF 105 in the partner IMS domain (step S106), and finally forwarded to mobile terminal A, the communication partner (Step S107).
- Mobile terminal A changes the voice packet forwarding IP address to the IP address of MGW.
- the voice bucket transfer path (voice bearer) is switched end-to-end.
- the mobile terminal B moves from the CS domain to the IMS domain, that is, performs a handover, the mobile terminal B starts call setup in the IMS domain (step S 101—IMS). That is, the mobile terminal B transmits a SIPI NV I TE (session establishment request) message to the CS CF 103.
- the SIPI NV I TE message is transferred from CSCF 103 to VC C—AS 104 (step S 104).
- the VCC—AS 104 sends a SIP UPDATE (session update) message or a Re—I NV I TE (re-session establishment request) message to the CSCF 103 to initiate a call connection change (step S 105).
- SIP UPDATE session update
- Re—I NV I TE re-session establishment request
- the IP address of mobile terminal B indicating the end point of the new call connection path and the new SDP information are transmitted to CSCF 103.
- the SIP UPD ATE message or Re—I NV I TE message is transferred from CSCF 103 to CSCF 105 in the partner IMS domain (step S 106), and finally forwarded to mobile terminal A, which is the communication partner.
- Mobile terminal A changes the voice bucket transfer destination IP address to partner mobile terminal B.
- the voice bucket transfer path (voice bearer) can be switched in the end-to-end mode.
- the above is the standard for voice service continuity associated with mobile terminal migration between IMS domain and CS domain.
- CS domain and predetermined wireless broadband ⁇ For example, LTE (Long Term Evolution) access is N on-3GPP access ⁇
- LTE Long Term Evolution
- Non-Patent Document 1 3GPP TS 23.206 V7. 5. 0 "Voice Call Continuity (VCC) be twe en Circuit Sw itched (CS) and IP Multi media dia Su bsyst em (IMS)" Summary of the Invention
- the communication processing between CSCF and VCC— AS is, for example, the call setup message transfer processing from CS CF to VCC— AS, and the session update message from V CC— AS to C SCF. Re-session establishment request message transfer processing, etc. That is, a lot of time is spent on the transfer processing of these messages. In addition, a lot of time is spent in VCC—AS internal processing. In other words, when VCC-AS is used, there is a problem that the handover processing time increases.
- the present invention intends to provide a mobile communication system capable of realizing a handover between different access networks without deploying a VC C-AS and capable of reducing a handover processing time. .
- the present invention also contemplates providing a node device suitable for the mobile communication system.
- the present invention further contemplates providing an inter-network transition control method suitable for the mobile communication system.
- a mobile unit including at least one mobile terminal capable of accessing a circuit switching network and a wireless broadband network, and a node device A communication system.
- the node device passes through the IP network through a first gateway node that interconnects the circuit-switched network and the IP network, a core network that accommodates the wireless broadband network, and an external bucket data network.
- the second gateway node that is interconnected is integrated as one physical node.
- the first gateway node and the first The destination gateway node of the two gateway nodes uses the endpoint identification information of the call connection path managed by the source gateway node as the endpoint identification information of the new call connection path of the destination gateway node. Assign as.
- a node apparatus provided in a mobile communication system including at least one mobile terminal capable of accessing a circuit switching network and a wireless broadband network.
- the node device includes a first gateway node that interconnects the circuit switching network and the IP network, a core network that accommodates the wireless broadband network, and an external bucket data network via the IP network.
- the second gateway node to be connected is integrated as one physical node.
- the first gateway node and the first The destination gateway node of the two gateway nodes assigns the end point identification information of the call connection path managed by the source gateway node as the end point identification information of the new call connection path of the destination gateway node.
- an inter-network transition control method in a mobile communication system including at least one mobile terminal capable of accessing a circuit switching network and a wireless broadband network.
- a first gateway node that interconnects the circuit-switched network and the IP network, a core network that accommodates the wireless broadband network, and an external bucket data network.
- the second gateway node interconnected via the IP is integrated as one physical node.
- the moving end When the terminal moves from one of the migration source network of the circuit switching network and the wireless broadband network to the other migration destination network, the migration of the first gateway node and the second gateway node
- the destination gateway node assigns the end point identification information of the call connection path managed by the source gateway node as the end point identification information of the new call connection path of the destination gateway node.
- handover can be realized between different access networks without deploying V CC -AS, and the handover processing time can be shortened.
- Fig. 1 is a diagram for explaining a general end-to-end call control scenario for transfer between access domains.
- FIG. 2 is a block diagram showing the configuration of the mobile communication system according to the embodiment of the present invention.
- Figure 3 shows the C_P 1 ane and U_P lane path settings for 3G-CS voice calls in the mobile communication system shown in Figure 2, and the C_P 1 ane and U_P lane paths for LTE voice calls. It is a figure for demonstrating each of a path setting.
- FIG. 4 is a sequence diagram for explaining the operation when handing over from 3G-CS to LTE in the mobile communication system shown in FIG.
- FIG. 5 is a sequence diagram for explaining an operation when handing over from LTE to 3G-CS in the mobile communication system shown in FIG. BEST MODE FOR CARRYING OUT THE INVENTION
- FIG. 2 is a block diagram showing the configuration of the mobile communication system 10 according to the embodiment of the present invention.
- the mobile communication system 10 includes at least one UE (User Equipment) (mobile device) as a so-called dual terminal equipped with a function to access a circuit switched (CS) network and a function to access a wireless broadband network. Terminal) Including 20.
- the mobile communication system 10 is also an example of a CS network. It includes a G (3rd Generation) CS network 30 and an EPC (Evolved Packet Core) network 40 as an example of a wireless broadband network.
- G 3rd Generation
- EPC Evolved Packet Core
- the 3G—CS network 30 includes an MSC (Mobile Services Switching Center) 32, an RNC (Radio Network Controller) 34, and an NB (Node B) (radio base station) 36.
- MSC 32 is a core network node that handles circuit-switched calls (mainly voice calls).
- RNC 34 is an access network node that controls the radio base station.
- the NB 36 is a radio base station apparatus that communicates with the UE 20.
- the EPC network 40 accommodates, for example, LTE (Long Term Evolution) access.
- the EPC network 40 includes a P-GW (Packet Data Network Gateway) 42, an S-GW (Serving Gateway) 44, an MME (Mobility Management Entity) 46, and an eNB (evolved Node B) as second gateway nodes. And 48.
- the P-GW 42 as the second gateway node has a function of interconnecting the EPC network 40 and an external P DN (Packet Data Network).
- the endpoint identification information (IP address) of the call connection path is set for each UE 20 individually.
- P—GW 42 assigns and manages IP addresses to UE 20.
- the S-GW 44 is a node that accommodates 3G-PS and LTE U-p 1 ane.
- U—p 1 a n e means a function (or protocol) for transferring “user information” that is the main information of communication.
- the MME 46 is a node that performs LTE mobility management.
- the eNB 48 is a radio base station apparatus that communicates with the UE 20.
- IMS IP Multimedia Subsystem
- IMS 50 is a system that provides IP-based multimedia services to mobile terminals without depending on the access network.
- the IMS 50 includes an MGW (Media Gateway) 52, an MG C F (Media Gateway Control Function) 54, and a C S C F (Call Server Control Function) 56 as first gateway nodes.
- MGW 52 is installed on U—p 1 a n e, and media conversion (for example, conversion of voice information by C o de c method) and Q
- MGCF 54 uses C—p 1 a n e in SIP (Session Initiation Protocol) and I SUP (ISDN User Part:
- C 1 p 1 ane refers to a function (or protocol) that transfers “control information” for connection (call connection) to or disconnection from a mobile terminal line.
- the CSCF 56 is a node that performs call control (user registration and session setting) using the SIP protocol in the IMS 50.
- P STN Public Switched Telephone Network
- V o IP Voice over Internet Protocol
- the UE 20 does not have an individual IP address. Therefore, the endpoint identification information (IP address) of the call connection path seen from the communication partner (the partner UE connected via the P STN / Vo IP network 60) is the MGCF 54 and MGW 52 that accommodates the UE 20. IP address to be used. At least one of the MGCF 54 and the MGW 52 manages this IP address. In the following description, it is assumed that MGCF 54 manages this IP address.
- the node device 70 integrates the MGW 52 / MGC F 54 as the first gateway node and the P-GW 42 as the second gateway node, which had not been linked at all before, into one physical node.
- “integrating into one physical node” means incorporating the first gateway node (MGW 52 and MGCF 54) and the second gateway node (P—GW42) into the same device. means. By integrating MGW52 and MGCF54 and P-GW42 into one physical node, it becomes possible to share information that was previously managed separately by both parties.
- the MGCF 54 can acquire end point identification information of the call connection path in the EPC network 40 (for example, the IP address of the UE 20), which is information managed by the P-GW 42.
- the P-GW 42 is information managed by the MGCF 54 and can acquire end point identification information (for example, IP addresses used by the MGW 52 and the MGCF 54) of the call connection path in the 3G-CS network 30. it can.
- P—GW 42 is the IP address used by MGW 52 and MGC F 54 when UE 20 is in the 3G—CS network 30 and is used when UE 20 is in the EPC network 40 Assign as an IP address.
- the MGCF 54 uses the IP address used by the MGW 52 and the MGCF 54 when the UE 20 is located in the EPC network 40. Assign as.
- Figure 3 shows the path settings for each p 1 ane when voice communication is performed using 3 G-CS in the mobile communication system 10 shown in Figure 2, and the paths for each p 1. ane when voice calls are performed using LTE. It is a figure which shows each of a setting.
- the path for C-p 1 a ne e is indicated by a broken line
- the path for U-p 1 a n e is indicated by a solid line.
- UE 20 located in 3 G—C S is described as UE (3 G_C S) 20
- UE 20 located in LTE is described as UE (LTE) 20.
- 3 G Explains how to make a voice call using CS.
- UE (3 G-C S) 20 communicates with MS C 32 by CC (Call Control) protocol, and MS C 32 communicates with MGCF 54 by I SUP protocol.
- MGCF 54 performs protocol conversion between I S UP and SIP.
- Communication between the MGC F 54 and the CSCF 56 and between the C S C F 56 and the PSTN / V o I P network 60 is performed by the SIP protocol.
- a CS bearer is set between U E (3 G-C S) 20 and MGW 52 in accordance with the transmission path.
- Communication between the MGW 52 and the PSTN / Vo IP network 60 is performed by RTP (Real-time Transport Protocol) / IP.
- RTP Real-time Transport Protocol
- IP address when a voice call is made using 3G_Cs is terminated at MGC F 54-no-MGW 52, and this IP address is hereinafter referred to as I PA (3 G-C S).
- UE (LTE) 20 is set in UE (LTE) 20's access switching process to LTE (D efau 1 t bearer (U—p 1 ane path for SIP message transmission / reception))
- LTE LTE
- D efau 1 t bearer U—p 1 ane path for SIP message transmission / reception
- P-GW42 communicates with P-GW42 using SIP protocol.
- Communication between P-GW42 and CSCF 56 and between C SCF 56 and PS TN / Vo IP network 60 is performed by SIP protocol.
- a 11 e RTP / IP communication is performed between the UE (LTE) 20 and the P STNZVo IP network 60.
- IPA LTE
- FIG. 4 shows a sequence for explaining the operation of the mobile communication system 10 when performing handover from 3 G_C S to LTE.
- the user information is the UE (3G-CS) 20 and MGW52.
- the MGW 52 and the PST N / Vo IP network 60 via the IP bearer step S1
- UE 20 moves from 3G—CS to LTE (step S2).
- UE (LTE) 20 executes access switching processing to LTE with P—GW 42 (step S 3).
- the P-GW 42 assigns an IP address to the UE (LTE) 20.
- IP addresses are described below.
- the node device 70 integrates the MGW 52, the MG CF 54, and the P—GW 42 into one physical node.
- P-GW42 can obtain the IP address I PA (3G-CS) that MGW 52 / MGCF 54 uses for U-p 1 ane / C-p 1 ane communication within IMS 50. it can.
- the P—GW 42 allocates the acquired IP address I PA (3G one CS) as the IP address I PA (L TE) used by the UE (LTE) 20 on the LTE side.
- the P-GW 42 sets a Defau 1 t bearer that is a U-plane path for SIP message transmission / reception between the UE (LTE) 20 and the P-GW 42.
- UE (LTE) 20 is P—GW42
- a SIPI NV I TE (session establishment request) message is sent to CSCF 56 using the IP address I PA (LTE) assigned by the user (step S5).
- the CSCF 56 transmits a SIPI NV I TE message to the P STN / Vo IP network 60 where the other party to call exists (step S 6).
- CSCF 56 After negotiating voice codec and QoS using the SIP protocol between the UE (LTE) 20 and the other party, CSCF 56 sends a SIP 200 OK message from the P ST N / V o IP network 60. Is received (step S7).
- a SIP 200 ⁇ K message transmission from CSCF 56 to UE (LTE) 20 (step S8) sets a voice path (Dedicated Bearer) between UE (LTE) 20 and ⁇ —GW42. (Step S9).
- an IP bearer is established between the UE (LTE) 20 and the PSTN / VoIP network 60, and the handover procedure is completed (step S10).
- voice service continues between 3G-CS and LTE.
- FIG. 5 shows a sequence for explaining the operation of the mobile communication system 10 at the time of handover from LTE to 3 G—C S.
- the UE (LTE) 20 makes a voice call with the communication partner (the partner UE connected via the P STN-no-Vo IP network 60), the user information is stored in the UE (LTE) 20 It communicates with 60 by IP bearer (step S 21).
- UE 20 moves from LTE to 3 G—C S due to factors such as deterioration of radio conditions (step S 22).
- UE (3 G-C S) 20 the UE 20 that has shifted from LTE to 3 G—C S is referred to as UE (3 G-C S) 20.
- the UE (3 G-C S) 20 executes access switching processing to 3 G—C S with the MSC 32 (step S 23). Since this access switching process is publicly known, the description thereof is omitted.
- the UE (3G—CS) 20 transmits a CC SETUP (call setup) message to the MS C 32 to set a voice path (step S 24).
- MS C 32 transmits ISUPI AM (Initial Address Message) to MGCF 54 (step S 25).
- I SUP I AM includes information such as numeric information on the dial.
- the node device 70 integrates the MGW 52 and the MGCF 54 and the P—GW 42 into one physical node. By integrating MGW 52 and MGCF 54 and P-GW42 into one physical node, it becomes possible to share IP address information that was previously managed separately by both parties. Therefore, the MGCF 54 can acquire the IP address I PA (LTE) used by the UE (LTE) 20 when it is in the LTE area.
- LTE IP address I PA
- the MGCF 54 assigns this IP address I PA (LTE) as the IP address I PA (3G—CS) that the MGW52 / MGCF 54 uses for U-plane / Cplane communication at the MS 50 ⁇ (Ste S 26).
- the MGCF 54 uses this assigned IP address I PA (3G-CS) and sends a SIPI NV I TE (session establishment request) message to the CS CF 56 (step S 27).
- CSCF 56 is connected to the P STN / Vo I P network 60 where the other party is calling S I P
- CSCF 56 sends a SIP 200 OK message from PS TN / Vo IP network 60.
- Receive step S29.
- CSCF 56 is compared to MGCF 54
- a 200 OK message is transmitted (step S30).
- MGCF 54 performs protocol conversion between SIP and I SUP, and I SUP ANM for MS C 32
- Step S31 (Answer Message) is transmitted (step S31).
- a CC CONNECT message from the MSC32 to the UE (3G-one CS) 20 (step S32)
- a voice path (CS bearer) is set up between the UE (3GC S) and the MGW52.
- CS bearer is established between UE (3G—CS) 20 and MGW 52
- an IP bearer is established between MGW 52 and PS TN / Vo IP network 60
- S 33 the handover procedure
- the node device 70 includes the M GW 52 and the MGCF 54 as the first gateway nodes that were not linked at all before, and the second gateway.
- P—GW42 as a node is integrated into one physical node. MGW52 and MGCF 54, P-GW By integrating 42 and 42 into a single physical node, it becomes possible to share IP addresses that were previously managed separately by both parties.
- the MGCF 54 is an IP address managed by the P-GW 42, and can acquire the IP address I PA (LTE) used by the UE (LTE) 20 when it is in the LTE area.
- P-GW42 is an IP address managed by MGC F 54, and IP used by MGW52 / MGC F 54 for U-p 1 ane / C-p 1 ane communication within IMS 50. Address I PA (3 G_C S) can be obtained.
- the P-GW 42 can assign the IP address I PA (3G-CS) to the UE 20 at the time of handover from 3 G-CS to LTE.
- the MGC F 54 can assign the IP address I PA (LTE) to the MGW 52 / MG CF 54. That is, the node device 70 realizes a function equivalent to the function required for the VCC-AS at the time of handover. Accordingly, the node device 70 can eliminate the need for VCC-AS. Therefore, C S CF required when using VCC- AS
- VCC—AS Communication processing between 56 and VCC—AS (for example, call setup message transfer processing from CS CF 56 to VCC—AS, session update message or re-session establishment request message from VCC—AS to CS CF 56) Transfer processing etc.) and VCC — AS itself can be omitted. Therefore, call traffic within the IMS 50 is reduced, and as a result, the handover processing time can be shortened. In addition, the VCC-AS itself is no longer necessary, which makes it possible to reduce the size and cost of IMS 50 equipment.
- the wireless broadband network is not limited to LTE access, and can include, for example, No-3GPP access.
- the non-3GPP access can be, for example, a WLAN (Wireless LAN) or WiMAX (Worldwide interoperability for Microwave Access) access.
- the CS network is not limited to the 3G-CS network 30 and can be a 2G (2nd Generation) CS network. JP2009 / 060401
Landscapes
- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Multimedia (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN2009801195199A CN102047648A (zh) | 2008-06-03 | 2009-06-01 | 移动通信系统、节点装置以及网间转移控制方法 |
EP09758440.3A EP2285080A4 (en) | 2008-06-03 | 2009-06-01 | MOBILE COMMUNICATION SYSTEM, N UD DEVICE, AND METHOD FOR MANAGING MIGRATION BETWEEN NETWORKS |
KR1020107029121A KR101246472B1 (ko) | 2008-06-03 | 2009-06-01 | 이동체 통신 시스템, 노드 장치 및 망간 이행 제어 방법 |
US12/992,636 US20110069679A1 (en) | 2008-06-03 | 2009-06-01 | Mobile communication system, node apparatus, and inter-network handover control method |
KR1020127010146A KR101286848B1 (ko) | 2008-06-03 | 2009-06-01 | 이동체 통신 시스템, 노드 장치 및 망간 이행 제어 방법 |
US13/754,442 US10375607B2 (en) | 2008-06-03 | 2013-01-30 | Mobile communication system, node apparatus, and inter-network handover control method |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008145211A JP2009296077A (ja) | 2008-06-03 | 2008-06-03 | 移動体通信システム、ノード装置および網間移行制御方法 |
JP2008-145211 | 2008-06-03 |
Related Child Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US12/992,636 A-371-Of-International US20110069679A1 (en) | 2008-06-03 | 2009-06-01 | Mobile communication system, node apparatus, and inter-network handover control method |
US13/754,442 Continuation US10375607B2 (en) | 2008-06-03 | 2013-01-30 | Mobile communication system, node apparatus, and inter-network handover control method |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2009148173A1 true WO2009148173A1 (ja) | 2009-12-10 |
Family
ID=41398245
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2009/060401 WO2009148173A1 (ja) | 2008-06-03 | 2009-06-01 | 移動体通信システム、ノード装置及び網間移行制御方法 |
Country Status (7)
Country | Link |
---|---|
US (2) | US20110069679A1 (ja) |
EP (1) | EP2285080A4 (ja) |
JP (1) | JP2009296077A (ja) |
KR (2) | KR101286848B1 (ja) |
CN (2) | CN102047648A (ja) |
TW (1) | TW201014384A (ja) |
WO (1) | WO2009148173A1 (ja) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105474692A (zh) * | 2014-01-29 | 2016-04-06 | 华为技术有限公司 | 切换控制方法、装置及无线通信网络 |
WO2018205079A1 (zh) * | 2017-05-08 | 2018-11-15 | 华为技术有限公司 | 网络设备控制权转移方法与装置 |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101924751B (zh) | 2009-05-22 | 2013-11-06 | 中兴通讯股份有限公司 | 一种单模业务连续性实现方法及单模业务连续性系统 |
JPWO2011162349A1 (ja) * | 2010-06-24 | 2013-08-22 | 日本電気株式会社 | ゲートウェイ装置、モバイル回線交換ネットワーク、音声データの中継方法およびプログラム |
CN103716849B (zh) * | 2012-10-09 | 2017-08-11 | 中兴通讯股份有限公司 | 一种自动切换语音电话业务的方法、装置和系统 |
WO2014106987A1 (en) * | 2013-01-04 | 2014-07-10 | Samsung Electronics Co., Ltd. | A method and system for providing enhanced packet data services to a user equipment |
US9621735B2 (en) * | 2014-06-25 | 2017-04-11 | Textnow, Inc. | Mobile electronic communications combining voice-over-IP and mobile network services |
CN104486193B (zh) * | 2014-12-11 | 2017-11-24 | 华为技术有限公司 | 一种建立网络节点互联的方法及装置 |
US10609613B2 (en) * | 2016-08-19 | 2020-03-31 | Qualcomm Incorporated | UE network mobility during IMS |
CN109067761B (zh) * | 2018-08-29 | 2020-07-28 | 句容市凯特电力电器有限公司 | 一种基于sip的无线网络移动性管理方法 |
MA56735B1 (fr) * | 2019-10-10 | 2024-02-29 | Galactic Telecom Group Llc | Carte d'interface réseau à large bande sans fil mobile (mwbnic) et k-net |
Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004221676A (ja) * | 2003-01-09 | 2004-08-05 | Ntt Docomo Inc | ゲートウェイ装置、通信確立方法及び通信確立システム |
JP2006080693A (ja) * | 2004-09-07 | 2006-03-23 | Ntt Docomo Inc | 通信システム及び通信方法 |
JP2006186855A (ja) * | 2004-12-28 | 2006-07-13 | Nippon Telegr & Teleph Corp <Ntt> | Ip網における帯域確保および経路設定方法 |
JP2006197536A (ja) * | 2004-12-15 | 2006-07-27 | Matsushita Electric Ind Co Ltd | 無線網制御装置、無線lan中継装置、無線通信システム及び無線通信システムの通信方法 |
JP2006203641A (ja) * | 2005-01-21 | 2006-08-03 | Matsushita Electric Ind Co Ltd | パケット制御装置、認証サーバ及び無線通信システム |
JP2006246198A (ja) * | 2005-03-04 | 2006-09-14 | Matsushita Electric Ind Co Ltd | 識別アドレス設定装置およびこれを備えた移動網パケット中継装置 |
WO2006109462A1 (ja) * | 2005-04-05 | 2006-10-19 | Matsushita Electric Industrial Co., Ltd. | 無線通信システムおよび無線通信方法 |
JP2006526964A (ja) * | 2003-06-04 | 2006-11-24 | ノキア コーポレイション | パケット交換網から回路交換網へ通話をハングオーバーするためのシステムおよび方法 |
WO2008059570A1 (fr) * | 2006-11-15 | 2008-05-22 | Panasonic Corporation | Appareil de terminal de communication, système de communication, et procédé de transfert continu |
JP2008145211A (ja) | 2006-12-08 | 2008-06-26 | Kurita Water Ind Ltd | 計測用行き止まり管路の閉塞防止構造及びその閉塞防止方法 |
Family Cites Families (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE10359228A1 (de) * | 2003-12-17 | 2005-07-14 | Kneissl Tirol Gmbh | Schneegleitgerät, insbesondere Carvingski |
WO2005084128A2 (en) * | 2004-03-04 | 2005-09-15 | Outsmart Ltd. | Integration of packet and cellular telephone networks |
US7366514B2 (en) * | 2004-04-14 | 2008-04-29 | Lucent Technologies Inc. | Method of handing off a packet switched to a circuit switched call |
US7136651B2 (en) * | 2004-08-30 | 2006-11-14 | Tatara Systems, Inc. | Mobile services control platform providing a converged voice service |
WO2006074325A2 (en) * | 2005-01-03 | 2006-07-13 | Fellowes, Inc. | Portable laminator |
CN100450282C (zh) | 2005-04-05 | 2009-01-07 | 华为技术有限公司 | 一种电路交换呼叫连接的切换方法 |
KR100619385B1 (ko) | 2005-06-02 | 2006-09-06 | 에스케이 텔레콤주식회사 | 휴대 인터넷망과 이동통신망간 연동을 위한 네트워크 정보및 ip 정보 설정/전달방법 |
JP2008547289A (ja) * | 2005-06-15 | 2008-12-25 | アゼール ネットワークス, インコーポレイテッド | Ip−canとcsネットワークとの間のボイスコールコンティニュイティアプリケーションサーバー |
KR100909542B1 (ko) * | 2005-08-01 | 2009-07-27 | 삼성전자주식회사 | Csi 단말과 ims 단말 사이의 음성 및 멀티미디어 서비스 연동을 위한 방법 및 장치 |
US8811954B1 (en) * | 2005-10-31 | 2014-08-19 | Genband Us Llc | Network domain selection |
US20070224988A1 (en) * | 2006-03-24 | 2007-09-27 | Interdigital Technology Corporation | Method and apparatus for performing a handover procedure between a 3gpp lte network and an alternative wireless network |
US8023497B2 (en) * | 2006-04-19 | 2011-09-20 | Qualcomm Incorporated | Method and apparatus for dynamic anchoring of CS calls for CS-to-VoIP handoffs |
WO2007144736A2 (en) * | 2006-06-14 | 2007-12-21 | Nortel Networks Limited | Method for transitioning support of communication sessions for a user element between different types of subsystems of different generations |
JP2008028663A (ja) | 2006-07-20 | 2008-02-07 | Ntt Docomo Inc | 通信制御方法及び通信制御装置 |
JP5309430B2 (ja) * | 2006-07-31 | 2013-10-09 | 富士通株式会社 | 通信装置、通信システム、通信方法及び通信プログラム |
IES20070550A2 (en) * | 2006-08-03 | 2008-04-30 | Accuris Technologies Ltd | A roaming gateway |
US7760712B2 (en) * | 2006-08-11 | 2010-07-20 | Research In Motion Limited | System and method for managing call continuity in IMS network environment |
CN102067549A (zh) * | 2006-10-04 | 2011-05-18 | 北方电讯网络有限公司 | 电路交换和多媒体子系统语音连续性 |
EP2140648B1 (en) * | 2007-03-30 | 2011-10-26 | Telefonaktiebolaget L M Ericsson (publ) | System and method for indicating circuit switched access at ims registration |
US9706045B2 (en) * | 2007-04-30 | 2017-07-11 | Blackberry Limited | System and method for integrating an outgoing cellular call as an enterprise call in an IMS environment |
US20080276068A1 (en) * | 2007-05-03 | 2008-11-06 | Syed Reaz Ashraf | IMS network architecture with integrated network elements |
JP4988921B2 (ja) * | 2007-06-08 | 2012-08-01 | テレフオンアクチーボラゲット エル エム エリクソン(パブル) | 回線交換ドメインからパケット交換ドメイン上の回線交換サービスへのハンドオーバ |
US8681737B2 (en) * | 2007-09-21 | 2014-03-25 | Motorola Mobility Llc | Method and apparatus for inter-technology handoff between a packet data network and a circuit switched network |
US8483175B2 (en) * | 2007-09-14 | 2013-07-09 | Motorola Mobility Llc | Method and apparatus for inter-technology handoff of a user equipment |
US7885234B2 (en) * | 2007-10-01 | 2011-02-08 | Alcatel-Lucent Usa Inc. | Method and system for providing voice call continuity |
US8422405B2 (en) * | 2008-03-17 | 2013-04-16 | Apple Inc. | Mobile switching center platform having interfaces with functionalities defined by an architecture that provides packet-switched multimedia subscriber services |
-
2008
- 2008-06-03 JP JP2008145211A patent/JP2009296077A/ja active Pending
-
2009
- 2009-06-01 CN CN2009801195199A patent/CN102047648A/zh active Pending
- 2009-06-01 US US12/992,636 patent/US20110069679A1/en not_active Abandoned
- 2009-06-01 CN CN201310232875.XA patent/CN103384397B/zh not_active Expired - Fee Related
- 2009-06-01 WO PCT/JP2009/060401 patent/WO2009148173A1/ja active Application Filing
- 2009-06-01 KR KR1020127010146A patent/KR101286848B1/ko active IP Right Grant
- 2009-06-01 EP EP09758440.3A patent/EP2285080A4/en not_active Withdrawn
- 2009-06-01 KR KR1020107029121A patent/KR101246472B1/ko active IP Right Grant
- 2009-06-03 TW TW098118438A patent/TW201014384A/zh unknown
-
2013
- 2013-01-30 US US13/754,442 patent/US10375607B2/en active Active
Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2004221676A (ja) * | 2003-01-09 | 2004-08-05 | Ntt Docomo Inc | ゲートウェイ装置、通信確立方法及び通信確立システム |
JP2006526964A (ja) * | 2003-06-04 | 2006-11-24 | ノキア コーポレイション | パケット交換網から回路交換網へ通話をハングオーバーするためのシステムおよび方法 |
JP2006080693A (ja) * | 2004-09-07 | 2006-03-23 | Ntt Docomo Inc | 通信システム及び通信方法 |
JP2006197536A (ja) * | 2004-12-15 | 2006-07-27 | Matsushita Electric Ind Co Ltd | 無線網制御装置、無線lan中継装置、無線通信システム及び無線通信システムの通信方法 |
JP2006186855A (ja) * | 2004-12-28 | 2006-07-13 | Nippon Telegr & Teleph Corp <Ntt> | Ip網における帯域確保および経路設定方法 |
JP2006203641A (ja) * | 2005-01-21 | 2006-08-03 | Matsushita Electric Ind Co Ltd | パケット制御装置、認証サーバ及び無線通信システム |
JP2006246198A (ja) * | 2005-03-04 | 2006-09-14 | Matsushita Electric Ind Co Ltd | 識別アドレス設定装置およびこれを備えた移動網パケット中継装置 |
WO2006109462A1 (ja) * | 2005-04-05 | 2006-10-19 | Matsushita Electric Industrial Co., Ltd. | 無線通信システムおよび無線通信方法 |
WO2008059570A1 (fr) * | 2006-11-15 | 2008-05-22 | Panasonic Corporation | Appareil de terminal de communication, système de communication, et procédé de transfert continu |
JP2008145211A (ja) | 2006-12-08 | 2008-06-26 | Kurita Water Ind Ltd | 計測用行き止まり管路の閉塞防止構造及びその閉塞防止方法 |
Non-Patent Citations (1)
Title |
---|
See also references of EP2285080A4 |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105474692A (zh) * | 2014-01-29 | 2016-04-06 | 华为技术有限公司 | 切换控制方法、装置及无线通信网络 |
CN105474692B (zh) * | 2014-01-29 | 2019-04-05 | 华为技术有限公司 | 切换控制方法、装置及无线通信网络 |
US10412640B2 (en) | 2014-01-29 | 2019-09-10 | Huawei Technologies Co., Ltd. | Switching control method, apparatus, and wireless communications network |
WO2018205079A1 (zh) * | 2017-05-08 | 2018-11-15 | 华为技术有限公司 | 网络设备控制权转移方法与装置 |
Also Published As
Publication number | Publication date |
---|---|
TW201014384A (en) | 2010-04-01 |
CN103384397B (zh) | 2016-10-26 |
US10375607B2 (en) | 2019-08-06 |
JP2009296077A (ja) | 2009-12-17 |
KR20120058615A (ko) | 2012-06-07 |
KR20110013521A (ko) | 2011-02-09 |
EP2285080A4 (en) | 2013-07-10 |
KR101286848B1 (ko) | 2013-07-17 |
CN103384397A (zh) | 2013-11-06 |
US20110069679A1 (en) | 2011-03-24 |
US20130148630A1 (en) | 2013-06-13 |
CN102047648A (zh) | 2011-05-04 |
KR101246472B1 (ko) | 2013-03-21 |
EP2285080A1 (en) | 2011-02-16 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2009148173A1 (ja) | 移動体通信システム、ノード装置及び網間移行制御方法 | |
JP4988338B2 (ja) | 会話型ベアラネゴシエーション | |
US9088917B1 (en) | Efficient handover of media communications in heterogeneous IP networks | |
JP4880041B2 (ja) | 異種無線通信ネットワークにおけるハンドオーバー装置及び方法 | |
EP1593250B1 (en) | Conversational bearer negotiation | |
KR101311588B1 (ko) | 인터넷 프로토콜 멀티미디어 서브시스템 기반 통신 시스템에서의 베어러 경로의 라우팅을 위한 방법 및 장치 | |
EP2130311B1 (en) | Handover apparatus and method in a heterogeneous wireless communication system | |
US20050195762A1 (en) | Communication system | |
WO2008034385A1 (fr) | Dispositif utilisateur, serveur d'application de continuité d'appel et procédé de commutation de réseau | |
JP2008547289A (ja) | Ip−canとcsネットワークとの間のボイスコールコンティニュイティアプリケーションサーバー | |
WO2008151481A1 (fr) | Procédé pour commander de manière centralisée le service d'implémentation d'appel de terminal dans un sous-système de réseau central multimédia ip | |
JP2002009839A (ja) | データネットワークのホストと移動体ネットワークの移動体端末との間のセッションを設定する方法およびそのような方法を実行するためのデバイス | |
US20100290432A1 (en) | Communication control device, communication system, communication control method and communication control program | |
JP5695175B2 (ja) | 移動体通信システム、ノード装置および網間移行制御方法 | |
JP2012257261A (ja) | 移動体通信システム、ノード装置および網間移行制御方法 | |
JP4912833B2 (ja) | 無線通信システムおよび移動端末 | |
WO2012019532A1 (zh) | 一种实现会话锚定的方法和系统 | |
JP2011244192A (ja) | 内線電話システムおよび内線電話方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
WWE | Wipo information: entry into national phase |
Ref document number: 200980119519.9 Country of ref document: CN |
|
121 | Ep: the epo has been informed by wipo that ep was designated in this application |
Ref document number: 09758440 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12992636 Country of ref document: US |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2009758440 Country of ref document: EP |
|
ENP | Entry into the national phase |
Ref document number: 20107029121 Country of ref document: KR Kind code of ref document: A |