WO2011044832A1 - Procédé, dispositif et système de commutation - Google Patents

Procédé, dispositif et système de commutation Download PDF

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Publication number
WO2011044832A1
WO2011044832A1 PCT/CN2010/077664 CN2010077664W WO2011044832A1 WO 2011044832 A1 WO2011044832 A1 WO 2011044832A1 CN 2010077664 W CN2010077664 W CN 2010077664W WO 2011044832 A1 WO2011044832 A1 WO 2011044832A1
Authority
WO
WIPO (PCT)
Prior art keywords
network
base station
handover
bss
user equipment
Prior art date
Application number
PCT/CN2010/077664
Other languages
English (en)
Chinese (zh)
Inventor
刘建军
马新友
王自强
Original Assignee
华为技术有限公司
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 华为技术有限公司 filed Critical 华为技术有限公司
Publication of WO2011044832A1 publication Critical patent/WO2011044832A1/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
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0064—Transmission or use of information for re-establishing the radio link of control information between different access points

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a handover technology between user equipments and base station subsystems.
  • GSM Global System for Mobile Communications
  • WCDMA Wideband Code Division Multiple Access
  • 3G CS Circuit Switched Domain
  • the wireless network subsystem directly interacts with the Iur-g interface in the access network.
  • BSS Base Station Subsystem
  • RNS Radio Network Subsystem
  • the wireless network subsystem directly interacts with the Iur-g interface in the access network.
  • the user equipment switches from the 3G network to the 2G network and uses the Iur-g interface to perform the connection hold, if the user equipment re-crosses the BSS between the 2G networks, the RNS needs to complete the handover process across the BSS.
  • the specific process is as follows:
  • the Iur-g connection is maintained.
  • the source base station subsystem S-BSS determines that the user equipment needs to be handed over to the target base station subsystem T-BSS, and then sends an enhanced Relocation Required message to the RNS, where the message carries the target cell CGI (Common Gateway Interface, public) Gateway interface), switch reason, etc.
  • the RNS and the T-BSS have an Iur-g interface, the RNS sends an Enhanced Relocation Request message through the Iur-g interface to notify the T-BSS to perform handover resource allocation.
  • the T-BSS After completing the handover resource allocation, the T-BSS returns an enhanced Regency Response (Enhanced Relocation Response) message to the RNS. 105. RNS sends an enhanced migration command to S-BSS (Enhanced Relocation)
  • the S-BSS sends a Handover Command message to the user equipment.
  • the user equipment sends a Handover Access message to the T-BSS.
  • the T-BSS sends an enhanced Enhanced Relocation Detect message to the RNC. After receiving the message, the RNC switches the user plane to the T-BSS.
  • the user equipment reports a Handover Complete message to the T-BSS.
  • the T-BSS sends an Enhanced Migration Complete (Enhanced Relocation Complete) message to the RNC to notify the RNS that it has switched to the T-BSS.
  • Enhanced Migration Complete Enhanced Relocation Complete
  • the RNC sends an Iur-g Release Command message to the S-BSS.
  • the S-BSS After receiving the Iur-g Release Command message, the S-BSS releases the Iur-g signaling and the user plane connection, and returns an Iur-g Release complete message.
  • the inventors have found that at least the following problems exist in the prior art: In the prior art, when the user equipment is switched from the 3G network to the 2G network and the Iur-g interface is used for connection maintenance, if the user equipment is If the inter-BSS handover occurs again in the 2G network, the RNS needs to complete the handover across the BSS, so that the signaling process between the RNS and the S-BSS and the T-BSS is complicated and the handover time is long. Summary of the invention
  • the embodiment of the invention provides a handover method, device and system, so as to achieve the purpose of optimizing the re-switching process and shortening the re-switching time.
  • an embodiment of the present invention provides a method for switching a user equipment between base station subsystems, including: when the user equipment is in a connection hold state after being switched from a first network to a second network, by using the second An interface between the network internal source base station subsystem BSS and the target base station subsystem BSS receives the handover request sent by the source base station subsystem; and switches the user equipment according to the handover request.
  • an embodiment of the present invention provides a switching apparatus, including:
  • a handover request receiving unit configured to receive, by the interface between the endogenous base station subsystem and the target base station subsystem of the second network, when the user equipment is in a connection hold state after switching from the first network to the second network Decoding a handover request sent by the source base station subsystem;
  • a switching unit configured to switch the user equipment according to the handover request.
  • an embodiment of the present invention further provides a communication system, including the switching device as described above, and a source base station subsystem in communication with the switching device.
  • the handover method, device, and system provided by the embodiment of the present invention, when the user equipment is in the connection hold state after switching from the first network to the second network, through the second network internal source base station subsystem BSS and the target An interface between the base station subsystems BSS, the target base station subsystem receives a handover request sent by the source base station subsystem, and switches the user settings according to the handover request Preparing, thereby completing the handover process of the user equipment.
  • the RNS can directly perform information exchange through the interface between the BSSs to complete the handover process, thereby optimizing the re-switching process and shortening the re-switching time.
  • FIG. 1 is a flowchart of a method for switching user equipment between base station subsystems in the prior art
  • FIG. 2 is a flowchart of a handover method according to an embodiment of the present invention
  • Figure 3 is a schematic diagram of a reference architecture of the Iur-g interface
  • FIG. 4 is a flowchart of a handover method according to an embodiment of the present invention.
  • FIG. 5 is a flowchart of a handover method according to an embodiment of the present invention.
  • FIG. 6 is a schematic structural diagram of a switching apparatus according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of a communication system according to an embodiment of the present invention. detailed description
  • a handover method is provided according to an embodiment of the present invention.
  • the method includes: 201: When a user equipment is in a connection hold state after being switched from a first network to a second network, the second network internal source base station is used. An interface between the subsystem BSS and the target base station subsystem BSS, receiving a handover request sent by the source base station subsystem;
  • the reference architecture of the Iur-g interface includes: a radio network subsystem RNS, a first base station subsystem BSS1, a second base station subsystem BSS2, and user equipment; wherein, the RNS is 3G.
  • Network equipment, BSS1 and BSS2 are 2G network devices;
  • RNS and 3G core network can be connected through Iu interface.
  • BSS1 and BSS2 in 2G core network can be connected to 2G core network through A interface respectively.
  • RNS and BSS1 can pass Iur- The g interfaces are connected, and the user equipment and the base station subsystem can be connected through the air interface Um. In this way, when the user equipment switches from the RNS of the 3G network to the BSS1 of the 2G network, the Iur-g interface connection is maintained.
  • a switching method comprising:
  • the target base station subsystem T-BSS receives through the Iur-g interface between the source base station subsystem and the target base station subsystem of the second network.
  • the first network is a 3G network
  • the second network is a 2G network. After the user equipment of the Iur-g interface between the 3G network device and the 2G network device switches from the 3G network to the 2G network, the connection is maintained.
  • the handover request may be an enhanced migration request message; the message may include parameters such as a target cell identifier, a user equipment identifier, a voice version, and a user equipment capability.
  • the T-BSS allocates a radio resource and a corresponding channel to the user equipment according to the received handover request; and, the T-BSS establishes an A-interface connection with the core network CN, and sends a handover complete message to the core network.
  • the core network completes the call migration and the core network instructs the wireless network subsystem to release the Iu resource, thereby completing the handover of the user equipment from the S-BSS to the T-BSS.
  • the second network is The Iur-g interface between the end-point base station subsystem and the target base station subsystem, the target base station subsystem receives the handover request sent by the source base station subsystem, and switches the user equipment according to the handover request, thereby completing the handover process of the user equipment.
  • the embodiment of the present invention can directly perform information exchange through the Iur-g interface between the BSSs, and complete the handover process, thereby optimizing the re-switching process and shortening the re-switching process. Switch time.
  • the S-BSS determines, according to the measurement report sent by the user equipment, that the user equipment needs to perform handover between the BSSs in the 2G network, that is, the S-BSS To switch to T-BSS, and the Iur-g interface exists between S-BSS and T-BSS, perform the following steps:
  • the T-BSS receives the Enhanced Relocation sent by the S-BSS through the Iur-g interface.
  • the T-BSS allocates a radio resource and a corresponding channel to the user equipment, so as to prepare the user equipment to switch to the T-BSS.
  • T-BSS After the T-BSS completes resource configuration for the user equipment, send an Enhanced Relocation Response message to the S-BSS through the Iur-g interface, to notify the S-BSS that the switch can be performed.
  • the S-BSS receives the Enhanced Relocation Response message from the T-BSS, and sends a Handover Command message to the user equipment to notify the user equipment to perform switching between the BSSs.
  • the user equipment sends a Handover Complete message to the T-BSS, and the T-BSS handover is notified.
  • the T-BSS After receiving the Handover Complete message of the user equipment, the T-BSS sends an Enhanced Handover Complete message to the CN, where the message is used by the T-BSS to request the core network to perform call migration and the A interface between the CN and the T-BSS.
  • the enhanced handover complete message may include a connection identifier, a current voice version, a transport layer address, a QOS, and the like. 507.
  • the Enhanced Handover Complete Ack message is replied to the T-BSS, and the T-BSS migration is notified.
  • the enhanced handover complete confirmation message may include a connection identifier, a transport layer address, a QOS, and the like.
  • the CN initiates an Iu release message to the RNS.
  • the T-BSS initiates an Iur-g release message to the S-BSS.
  • the source base station subsystem determines that the user equipment is in the Iur-g connection hold state after switching from the 3G network to the 2G network, and the Iur- exists between the current source base station subsystem and the handover target base station subsystem.
  • the source base station subsystem can directly perform the handover request with the target base station subsystem by using the Iur-g interface between the source base station subsystem and the handover target base station subsystem, thereby completing the handover process of the user equipment, and the prior art Compared with the RNS to complete the handover between the BSSs, the embodiment of the present invention can directly perform information exchange through the Iur-g interface between the BSSs, thereby completing the handover process, thereby optimizing the re-switching process and shortening the process. Switch the time again.
  • the method for switching the user equipment between the base station subsystems in the embodiment of the present invention may also directly send the enhanced handover complete request message through the T-BSS to complete the call migration of the user equipment in the core network, and the core network and the T-BSS.
  • the A interface is established between.
  • a handover apparatus is provided in the embodiment of the present invention.
  • the apparatus includes: a handover request receiving unit 601, configured to: when a user equipment is in a connection hold state after being switched from a first network to a second network, The interface between the source base station subsystem and the target base station subsystem of the second network receives the handover request sent by the source base station subsystem.
  • the switching unit 602 is configured to switch the user equipment according to the handover request received by the handover request receiving unit 601.
  • the first network is a 3G network
  • the second network is a 2G network.
  • the connection hold state is an Iur-g interface connection hold state after the user equipment switches from the 3G network to the 2G network, and correspondingly, the handover request receiving unit 601 is used. : After the user equipment switches from the 3G network to the 2G network When the Iur-g interface connection is maintained, the handover request sent by the source BSS is received through the lur-g interface between the source BSS and the target BSS of the 2G network.
  • the switching unit 602 may further include:
  • a resource allocation subunit configured to allocate a radio resource and a corresponding channel to the user equipment according to the handover request received by the handover request receiving unit 601;
  • a response subunit configured to send a handover response to the source base station subsystem by using the lur-g interface, so that the source base station subsystem notifies the user equipment to perform system handover;
  • the message receiving subunit is configured to receive a handover complete message sent by the user equipment.
  • the apparatus may further include: a message sending unit, configured to send a handover complete message to the core network, so that the core network completes the call migration, and the core network indicates the wireless network subsystem. Release Iu resources;
  • the message receiving unit is configured to receive a handover completion acknowledgement message sent by the core network.
  • the apparatus may further include: a resource release message sending unit, configured to send a release lur-g resource message to the source base station subsystem.
  • a communication system includes: a switching device 701 as described above, and a source base station subsystem 702 in communication with the switching device; wherein the source base station in communication with the switching device Subsystem 702 includes:
  • a judging unit configured to determine a lur-g interface connection holding state that is in a user equipment after being switched from a 3G network to a 2G network;
  • a handover request sending unit configured to send a handover request to a target base station subsystem T-BSS through a lur-g interface between the source base station subsystem S-BSS and the target base station subsystem T-BSS of the 2G network; and switch the response receiving unit, For receiving a target base station subsystem through the above lur-g interface
  • a switching unit configured to switch the user equipment to the target base station subsystem T-BSS according to the received handover response.
  • the source base station subsystem 702 may also To include:
  • the handover command sending unit is configured to send a handover command to the user equipment.
  • the source base station subsystem 702 may further include:
  • the message receiving unit is configured to receive a release lur-g resource message sent by the target base station subsystem.
  • the source base station subsystem S-BSS determines that the user equipment is in the lur-g interface connection hold state after switching from the 3G network to the 2G network, and the current source base station subsystem S- There is a lur-g interface between the BSS and the handover target base station subsystem T-BSS. Then, the source base station subsystem has a lur-g interface and a target base station through the source base station subsystem S-BSS and the handover target base station subsystem T-BSS.
  • the system T-BSS directly performs the handover request, thereby completing the handover process of the user equipment.
  • the embodiment of the present invention can pass the lur between the BSSs.
  • the g interface directly performs information exchange and completes the switching process, thereby optimizing the re-switching process and shortening the re-switching time.
  • the method for switching the user equipment between the base station subsystems in the embodiment of the present invention can also directly send the enhanced handover complete request message through the T-BSS to complete the call migration of the user equipment in the core network and between the core network and the T-BSS.
  • the A interface is established.

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

Abstract

L'invention se rapporte au domaine des techniques de communication mobile et concerne, dans ses modes de réalisation, un procédé, un dispositif et un système de commutation. Le procédé de commutation selon les modes de réalisation de la présente invention comprend les étapes suivantes : lorsqu'un équipement d'utilisateur est à l'état d'attente de connexion après commutation d'un premier réseau vers un second réseau, recevoir, par le biais d'une interface entre un sous-système de stations de base (BSS) source et un sous-système de stations de base (BSS) cible dans le second réseau, une demande de commutation envoyée par le sous-système de stations de base source ; commuter l'équipement d'utilisateur en fonction de la demande de commutation. La présente invention permet d'optimiser le flux de re-commutation et de réduire le temps de re-commutation
PCT/CN2010/077664 2009-10-16 2010-10-12 Procédé, dispositif et système de commutation WO2011044832A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200910206827.7 2009-10-16
CN2009102068277A CN102045799B (zh) 2009-10-16 2009-10-16 一种切换方法、装置和系统

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WO2011044832A1 true WO2011044832A1 (fr) 2011-04-21

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CN103634929B (zh) * 2013-11-28 2017-03-08 中国联合网络通信集团有限公司 Mifi设备的网络切换方法及系统
CN111567084A (zh) 2018-01-16 2020-08-21 Oppo广东移动通信有限公司 一种切换方法及装置、计算机存储介质

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101203034A (zh) * 2006-12-12 2008-06-18 华为技术有限公司 下行双载/多载传输技术下分组交换的切换方法系统及设备
WO2009044222A1 (fr) * 2007-10-04 2009-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Transfert inter-système utilisant des porteuses à commutation de circuit pour servir des nœuds de support de service radio par paquets généraux
WO2009081265A1 (fr) * 2007-12-20 2009-07-02 Telefonaktiebolaget L M Ericsson (Publ) Allocation et transfert dans un réseau de radiocommunication

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100542325C (zh) * 2006-06-22 2009-09-16 华为技术有限公司 切换控制方法
CN101094502B (zh) * 2006-06-23 2010-06-16 大唐移动通信设备有限公司 一种网络体系结构及基于该网络体系结构的切换方法
CN101426202B (zh) * 2007-11-02 2012-04-18 华为技术有限公司 一种实现网络切换的方法、设备及系统

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101203034A (zh) * 2006-12-12 2008-06-18 华为技术有限公司 下行双载/多载传输技术下分组交换的切换方法系统及设备
WO2009044222A1 (fr) * 2007-10-04 2009-04-09 Telefonaktiebolaget Lm Ericsson (Publ) Transfert inter-système utilisant des porteuses à commutation de circuit pour servir des nœuds de support de service radio par paquets généraux
WO2009081265A1 (fr) * 2007-12-20 2009-07-02 Telefonaktiebolaget L M Ericsson (Publ) Allocation et transfert dans un réseau de radiocommunication

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CN102045799B (zh) 2013-10-09

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