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WO2010028600A1 - Procédé de transmission de données de plan d'utilisateur et système de réseau associé - Google Patents

Procédé de transmission de données de plan d'utilisateur et système de réseau associé Download PDF

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Publication number
WO2010028600A1
WO2010028600A1 PCT/CN2009/073855 CN2009073855W WO2010028600A1 WO 2010028600 A1 WO2010028600 A1 WO 2010028600A1 CN 2009073855 W CN2009073855 W CN 2009073855W WO 2010028600 A1 WO2010028600 A1 WO 2010028600A1
Authority
WO
WIPO (PCT)
Prior art keywords
base station
media gateway
address
connection
switching center
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/CN2009/073855
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English (en)
Chinese (zh)
Inventor
李国宏
朱星
罗少华
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.)
Huawei Technologies Co Ltd
Original Assignee
Huawei Technologies Co Ltd
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 Huawei Technologies Co Ltd filed Critical Huawei Technologies Co Ltd
Publication of WO2010028600A1 publication Critical patent/WO2010028600A1/fr
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a method for user plane data transmission, a base station control device, a media gateway, a base station, a base station system, and a network system.
  • Background technique
  • Mobile communication systems such as the Global System for Mobile communication (GSM), include a Mobile Switching Center (MSC), a Base Station Subsystem (BSS), and a Mobile Station (MS).
  • the BSS includes a base station and a base station control device.
  • the BSS includes a Base Transceiver Station (BTS) and a Base Station Controller (BSC).
  • BTS Base Transceiver Station
  • BSC Base Station Controller
  • the interface between the MSC and the BSS is the A interface
  • the interface between the BTS and the BSC is the Abis interface.
  • the Circuit Switching (CS) domain implements call control and bearer separation, separating the MSC into an MSC server (MSS) responsible for call control and a media gateway for media stream bearer/conversion (Media GateWay).
  • MGW media gateway for media stream bearer/conversion
  • MSS and MGW are both connected to the BSS through the A interface.
  • an IP connection is established for the A interface and the Abis interface to transmit user plane data.
  • the present invention provides a method for user plane data transmission, a base station control device, a media gateway, a base station, a base station system, and a network system.
  • an embodiment of the present invention provides a method for user plane data transmission, including: establishing a direct IP connection between a media gateway and a base station;
  • a first sending module configured to send the media gateway address to a base station
  • a second sending module configured to send the base station address to the media gateway by using the mobile switching center server.
  • the embodiment of the invention provides a media gateway, including:
  • a third sending module configured to allocate a media gateway address to the media gateway according to the request for adding the user plane IP connection endpoint sent by the mobile switching center server, and send the media gateway address to the base station by using the mobile switching center server and the base station control device;
  • An embodiment of the present invention provides a base station, including:
  • An embodiment of the present invention provides a base station system, including:
  • Base station control device and base station
  • the base station control device is configured to receive a media gateway address sent by the media gateway through the mobile switching center server, and receive a base station address sent by the base station, and send the media gateway address to the base station, and send the base station address Sending to the media gateway through a mobile switching center server;
  • the base station is configured to establish a direct IP connection with the media gateway according to the media gateway address and the base station address, and transmit user plane data through the IP connection.
  • the embodiment of the invention provides a network system, including:
  • a base station control device a base station, a mobile switching center server, and a media gateway;
  • the base station control device is configured to receive a media gateway address sent by the media gateway by using the mobile switching center, and forward the media gateway address to the base station;
  • the base station control device is further configured to receive a base station address sent by the base station, and forward the base station address to the media gateway by using the mobile switching center server;
  • the base station and the media gateway are configured to establish a direct IP connection according to the media gateway address and the base station, and transmit user plane data through the IP connection.
  • Embodiment 2 is a schematic flowchart of Embodiment 2 of a method for transmitting user plane data according to the present invention
  • FIG. 3 is a schematic flowchart of a BTS handover in a method for transmitting user plane data according to the present invention
  • FIG. 4 is a schematic diagram of bearer establishment when a BTS is switched in the embodiment shown in FIG. 3;
  • FIG. 5 is a schematic diagram of an A-interface user plane protocol stack in a method for transmitting user plane data according to the present invention
  • Embodiment 1 of a base station control device is a schematic structural diagram of Embodiment 1 of a base station control device according to the present invention.
  • Embodiment 7 is a schematic structural diagram of Embodiment 2 of a base station control device according to the present invention.
  • Embodiment 8 is a schematic structural diagram of Embodiment 1 of a media gateway according to the present invention.
  • Embodiment 9 is a schematic structural diagram of Embodiment 2 of a media gateway according to the present invention.
  • FIG. 10 is a schematic structural diagram of an embodiment of a base station according to the present invention.
  • FIG. 11 is a schematic structural diagram of an embodiment of a network system according to the present invention. detailed description
  • the base station and the base station control device are respectively exemplified by the BTS and the BSC in the GSM, but it is not difficult to understand that the application of the embodiment of the present invention is not limited to the GSM system.
  • the embodiments of the present invention can also be applied to other communication systems, such as a General Packet Radio Service (GPRS) system and a Wideband Code Division Multiple Access (WCDMA) system.
  • GPRS General Packet Radio Service
  • WCDMA Wideband Code Division Multiple Access
  • FIG. 1 is a flowchart of Embodiment 1 of a method for data transmission of a user plane according to the present invention.
  • the embodiment includes: Step 11: A direct IP connection is established between the MGW and the BTS.
  • Step 12 The MGW and the BTS transmit user plane data between the MGW and the BTS through the direct IP connection.
  • the MGW and the BTS in this embodiment are directly IP-connected, and the MGW and the When the BTS performs user plane data transmission, the BSC is not required to be forwarded, and the transmission delay can be reduced; and the BSC has no user plane data forwarding capability, which can simplify the structure of the BSC.
  • Embodiment 2 For the specific process of establishing a direct IP connection between the MGW and the BTS, refer to Embodiment 2 below.
  • Embodiment 2 is a schematic flowchart of Embodiment 2 of a method for data transmission of a user plane according to the present invention, where the embodiment includes:
  • Step 201 The MSS sends a request for adding a user plane IP connection endpoint to the MGW, and the add request may further carry a voice version list Codec_list.
  • the following process description is taken as an example of carrying a voice version list in the add request.
  • Step 202 After the MGW is successfully added, the MGW is assigned a local address, that is, an MGW address (IP address + UDP port number), and the MGW address IP-tran_Layer-Addr-MGW is carried in the Add Response Add Rsp and sent to the MSS. .
  • MGW address IP address + UDP port number
  • Step 203 The MSS sends an assignment request ASSIGNMENT REQ to the BSC, where the assignment request carries the MGW address, and further carries a voice version list.
  • Step 206 The BTS allocates the local address, that is, the BTS address (IP address + UDP port number), to the BTS for the voice service, and carries the BTS address IP-tran_Layer-Addr-BTS in the channel activation response Channel Activate Ack. Sent to the BSC.
  • the BTS address IP address + UDP port number
  • Steps 207-208 The BSC sends an assignment command message Assignment Command to the MS through the BTS, where the assignment command message carries the selected voice version.
  • Step 212 The MSS sends a notification request Mod_Req to the MGW, carries the BTS address, and carries the selected voice version.
  • Step 213 The MGW returns a corresponding response Mod_Rsp to the MSS.
  • Step 214 Establish a direct IP connection between the MGW and the BTS according to the MGW address and the BTS address. Further, the voice can also be transmitted according to the selected voice version, so that the user plane data between the MGW and the BTS can be transmitted through the direct IP connection.
  • Step 215 Establish an air interface connection between the MS and the BTS, and transmit data between the MS and the BTS. This step is the same as the prior art and will not be described in detail herein. After step 215 is completed, a complete voice service establishment process is implemented.
  • This embodiment describes an example in which the voice version list is carried in the addition request of step 201.
  • the voice request list may not be carried in the add request in step 201.
  • the direct IP connection between the MGW and the BTS may be established by using the foregoing process in which the MGW address and the BTS address interact with each other.
  • the corresponding voice version may be notified to the MS, the BTS, and the MGW by using another message, so that the voice version may also be transmitted through the direct IP connection according to the voice version.
  • the voice service is used as an example in this embodiment. It can be understood that other services, such as video services, can still be implemented by using the foregoing method, and only need to use corresponding service information, for example, a video codec list, instead of the foregoing.
  • the voice version list is fine.
  • the BSC needs to establish an IP connection with the BTS and the MGW respectively, and the user plane data between the BTS and the MGW needs to be forwarded by the BSC.
  • a direct IP connection between the BTS and the MGW is established, so that the BSC is not required to forward the user.
  • the face data can reduce the transmission delay; in addition, the BSC does not need to have the user plane data forwarding capability, which can simplify the structure of the BSC.
  • . 3 is a schematic flowchart of a BTS handover in a method for transmitting user plane data according to the present invention. As shown in FIG. 3, the method provided in this embodiment includes:
  • Step 301 The original BTS (first BTS) that performs user plane data transmission with the MGW sends a handover indication Handover Indication to the BSC to perform inter-BTS handover.
  • Step 302 The BSC determines another BTS (second BTS), and sends a channel activation request to the second BTS.
  • Step 303 The second BTS allocates the local address, that is, the second BTS address (IP address + UDP port number), and sends the second BTS address IP_tran_Layer-Addr-BTS2 to the BSC.
  • the second BTS address IP address + UDP port number
  • Step 305 The MSS sends an add request to the MGW, where the add request carries the second BTS address.
  • Step 306 The MGW allocates a new MGW address of the local end, that is, a second MGW address (IP address + UDP port number), and carries the second MGW address IP-tran_Layer-Addr-MGW2 in the add response to the MSS.
  • a second MGW address IP address + UDP port number
  • Step 308 The BSC carries the second MGW address in the channel activation request and sends the message to the second BTS.
  • Step 309 The second BTS returns a corresponding channel activation response to the BSC.
  • Step 314 The BSC completes the BTS handover, notifies the first BTS to release the IP connection, and sends a handover response Handover performed to the MSS to notify the MSS that the handover execution is complete.
  • Step 315 The MSS sends a notification request Sub Request to the MGW, and notifies the MGW to delete the IP connection with the first BTS.
  • Step 316 The MGW returns a corresponding response Sub Response to the MSS.
  • Step 317 Establish a direct new IP connection between the second BTS and the MGW, and transmit user plane data through a new IP connection between the MGW and the second BTS.
  • the MGW sends user plane data, such as a voice packet, to the first BTS and the second BTS, but only receives the voice packet sent by the first BTS.
  • the connection between the MGW and the first BTS is deleted.
  • the MGW since the connection between the MGW and the first BTS has been deleted, and the connection established between the second BTS and the MGW transmits data, The MGW receives both the user plane data sent by the second BTS and the user plane data to the second BTS.
  • FIG. 5 is a schematic diagram of an A-interface user plane protocol stack in a method for transmitting user plane data according to the present invention.
  • a real-time transmission protocol can be adopted.
  • RTP Realtime Transport Protocol
  • RTP Resource Transport Protocol
  • RTP User Data
  • AMR Adaptive Multi-Rate
  • RRC Request For Comments
  • the method includes the steps of the foregoing method embodiments; and the foregoing storage medium includes: a medium that can store program codes, such as a ROM, a RAM, a magnetic disk, or an optical disk.
  • FIG. 6 is a schematic structural diagram of Embodiment 1 of a base station control device according to the present invention.
  • the base station control device of this embodiment includes a first receiving module 61, a first transmitting module 62, a second receiving module 63, and a second transmitting module 64.
  • the first receiving module 61 is configured to receive the MGW address sent by the MSS, where the MGW address of the MGW address that is sent by the MSS is received by the MSS.
  • the first sending module 62 is configured to send the MGW address to the BTS.
  • the second receiving module 63 is configured to receive the BTS address sent by the BTS, such as receiving a channel activation response that carries the BTS address sent by the BTS; and the second sending module 64 is configured to use the BTS address.
  • the address is sent to the MGW through the MSS. Specifically, the BTS address is carried in the assignment response and sent to the MGW through the MSS.
  • the present embodiment notifies the MGW of the BTS address and notifies the BTS of the MGW address, and can implement a direct IP connection between the MGW and the BTS, so that when the MGW and the BTS perform user plane data transmission, the BSC is not required to be forwarded. , can reduce the transmission delay; In addition, there is no need to require the BSC to have user plane data forwarding capability, which can simplify the structure of the BSC.
  • the BTS and the MGW can establish a direct IP connection according to the address, reduce the user plane data transmission delay, and simplify the structure of the base station control device.
  • FIG. 8 is a schematic structural diagram of Embodiment 1 of a media gateway according to the present invention.
  • the media gateway in this embodiment includes a third sending module 81, a third receiving module 82, and a first establishing module 83.
  • the third sending module 81 is configured to allocate an MGW address according to the request for adding the user plane IP connection endpoint sent by the MSS, and send the MGW address to the BTS by using the MSS and the BSC.
  • the third receiving module 82 is configured to receive the BTS by using the BSC.
  • the BTS address sent by the MSS; the first establishing module 83 is configured to establish a direct IP connection with the BTS according to the MGW address and the BTS address, and transmit user plane data through the IP connection.
  • the third receiving module 82 is further configured to receive the voice version selected by the BSC.
  • the first establishing module 83 establishes the IP connection by using the MGW address and the BTS address, and according to the IP connection.
  • the selected voice version transmits the voice.
  • the MGW can establish a direct IP connection with the BTS according to the MGW and the BTS address, which can reduce the transmission delay and simplify the structure.
  • the voice version you can provide users with more suitable voice services, and enhance the user experience.
  • users can provide more suitable voice services and enhance the user experience.
  • FIG. 9 is a schematic structural diagram of Embodiment 2 of a media gateway according to the present invention.
  • the media gateway of this embodiment further includes a second establishing module 91 and a deleting module 92.
  • the third receiving module 82 is further configured to receive another BTS address sent by another BTS through the BSC and the MSS.
  • FIG. 10 is a schematic structural diagram of an embodiment of a base station according to the present invention.
  • the embodiment includes a fourth receiving module 101, a fourth sending module 102, and a third establishing module 103.
  • the fourth receiving module 101 is configured to receive the MGW address sent by the MGW through the MSS and the BSC; the fourth sending module 102 is configured to allocate a BTS address corresponding to the MGW address, and send the BTS address to the MGW through the BSC and the MSS.
  • the third establishing module 103 is configured to establish a direct IP connection with the MGW according to the MGW address and the BTS address, and transmit user plane data through the IP connection.
  • the BTS can establish a direct IP connection with the MGW according to the MGW and the BTS address, which can reduce the transmission delay and simplify the structure.
  • users can provide more suitable voice services and enhance the user experience.
  • the present invention can provide a base station system including the BSC shown in Fig. 6 or Fig. 7 and the BTS shown in Fig. 10.
  • the BSC is configured to receive the MGW address sent by the MGW through the MSS, and receive the BTS address sent by the BTS, and send the MGW address to the BTS, and send the BTS address to the MGW through the MSS; Establishing a direct IP connection with the MGW according to the MGW address and the BTS address, and transmitting user plane data through the IP connection.
  • FIG. 11 is a schematic structural diagram of an embodiment of a network system according to the present invention.
  • the embodiment includes a BTS 111, a BSC 112, an MGW 113, and an MSS 115.
  • the BTS 111 is directly IP-connected with the MGW 113.
  • the BTS 111 is the BTS shown in FIG. 6 or FIG. 7
  • the BSC 112 is the BSC shown in FIG. 8 or FIG. 9
  • the MGW 113 is the MGW shown in FIG.
  • the BSC 112 is configured to receive the media gateway address sent by the MGW 113 through the MSS 115, and forward the media gateway address to the BTS 111; the BSC 112 is further configured to receive the base transceiver station address sent by the BTS 111, and The base transceiver station address is forwarded to the MGW 113 via the MSS 115.
  • the interface between the BTS 111 and the BSC 112 is an Abis interface
  • the interface between the BSC 112 and the MSS 115 is an A interface
  • the MSS 115 and the MGW 113 The interface between them is the Mc interface.
  • the network system may also include an MS 114, and the interface between the MS 114 and the BTS 111 is a Um interface.
  • the above embodiment has been described by taking GSM as an example.
  • the present invention can be applied to other systems, such as a GPRS system, a WCDMA system, and the like.
  • the base station and the base station control device are the same as the GSM system, and the other ones are BTS and BSC, the terminal equipment is the MS, and the interface between the MS and the BTS is also the Um interface;
  • the WCDMA the base station and the base station control device are the eNodeB and the wireless, respectively.
  • the network controller Radio Network Controller, RNC
  • the terminal device is a user equipment (UE)
  • the interface between the UE and the eNodeB is a Uu interface.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

L'invention concerne un procédé de transmission de données de plan d'utilisateur et un système de réseau, un procédé de transmission de données de plan d'utilisateur, un équipement de contrôle de station de base, une passerelle média, une station de base, un système de station de base et un système de réseau, en particulier. Le procédé consiste en une connexion IP directe établie entre la passerelle média et la station de base; les données de plan utilisateur entre la passerelle média et la station de base est transmise par la connexion IP directe. Le retard de transmission du plan utilisateur peut être réduit et la structure peut être simplifiée grâce au mode de réalisation décrit dans cette invention.
PCT/CN2009/073855 2008-09-12 2009-09-10 Procédé de transmission de données de plan d'utilisateur et système de réseau associé Ceased WO2010028600A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810222266A CN101674664A (zh) 2008-09-12 2008-09-12 用户面数据传输的方法和网络系统
CN200810222266.5 2008-09-12

Publications (1)

Publication Number Publication Date
WO2010028600A1 true WO2010028600A1 (fr) 2010-03-18

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Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102333385B (zh) * 2010-07-12 2014-12-10 中兴通讯股份有限公司 一种建立承载的方法、系统和设备
CN101945420A (zh) * 2010-09-20 2011-01-12 中兴通讯股份有限公司 媒体面的建立方法和系统
CN102572980B (zh) * 2011-12-22 2014-12-03 华为技术有限公司 移动台切换方法、设备和系统
EP2869656B1 (fr) * 2012-07-23 2018-05-30 Huawei Technologies Co., Ltd. Procédé de déchargement de données, station de base macro et petit noeud

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CN101018198A (zh) * 2007-01-12 2007-08-15 华为技术有限公司 一种ip地址信息传递方法及移动交换中心
CN101237396A (zh) * 2007-01-30 2008-08-06 中兴通讯股份有限公司 一种移动通信系统中ip承载建立的实现方法

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Publication number Priority date Publication date Assignee Title
CN1753510A (zh) * 2004-09-23 2006-03-29 华为技术有限公司 无线网络构架及应用无线网络构架实现数据传输的方法
CN101018198A (zh) * 2007-01-12 2007-08-15 华为技术有限公司 一种ip地址信息传递方法及移动交换中心
CN101237396A (zh) * 2007-01-30 2008-08-06 中兴通讯股份有限公司 一种移动通信系统中ip承载建立的实现方法

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