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WO2010012228A1 - Procédé et dispositif servant à la commutation - Google Patents

Procédé et dispositif servant à la commutation Download PDF

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Publication number
WO2010012228A1
WO2010012228A1 PCT/CN2009/072986 CN2009072986W WO2010012228A1 WO 2010012228 A1 WO2010012228 A1 WO 2010012228A1 CN 2009072986 W CN2009072986 W CN 2009072986W WO 2010012228 A1 WO2010012228 A1 WO 2010012228A1
Authority
WO
WIPO (PCT)
Prior art keywords
handover
capability information
mobile terminal
information
target system
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/CN2009/072986
Other languages
English (en)
Chinese (zh)
Inventor
沈志超
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 WO2010012228A1 publication Critical patent/WO2010012228A1/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
    • 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
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network

Definitions

  • the present invention relates to the field of mobile communication technologies, and in particular, to a handover method and apparatus for switching to a system supporting multiple input multiple output functions.
  • the 3G system With the continuous development of mobile communication and the Internet, in the 3G (3rd Generation, 3rd Generation Mobile Communication) system, the functions performed by the RNC (Radio Network Controller) are no longer like 2G (2nd Generation, 2nd generation). Mobile communication)
  • the BSC Base Station Controller
  • the 3G system also involves high-speed network call admission control algorithms related to QoS (Quality of Service). Negotiation of network resources between the user and the core network; completion of monitoring of switching of the lu interface, and the like.
  • the 3G system can provide services for more high-speed users on the same radio carrier frequency through HSPA (High Speed Packet Access). HSPA is divided into HSDPA (High Speed Downlink Packet Access) and HSUPA (High Speed Uplink Packet Access).
  • the base station console BSC sends a RELOCATION REQUIRED message to the CN (Core Network).
  • the message carries the information about the target cell and the UE; the CN then sends the RELOCATION REQUEST to the RNC; the RNC determines whether the UE can be based on the information about the UE carried in the RELOCATION REQUEST message and its own situation. Access; When the RNC can send a UE message to the CN, the UE is switched from the 2G system to the 3G system.
  • the inventors have found that at least the following problems exist in the prior art: When a mobile terminal supporting MIMO function is switched into a 3G system supporting MIMO function, the 3G system can only establish the mobile terminal at the physical layer.
  • the HSDPA transmission bearer cannot fully utilize the MIMO function supporting the MIMO system.
  • Embodiments of the present invention provide a handover method and apparatus.
  • the embodiment of the present invention uses the following technical solutions:
  • an embodiment of the present invention provides a handover method, where the method includes:
  • the multi-input and multi-output parameters are carried A different system switch command message for information.
  • an embodiment of the present invention provides a switching apparatus, including:
  • An information acquiring unit configured to acquire UE capability information of the mobile terminal and target system capability information of the handover;
  • the capability judging unit is configured to determine, according to the UE terminal capability information acquired by the information acquiring unit and the target system capability information of the handover, whether the UE and the target system to be switched support the multi-input and multi-output function;
  • the information sending unit is configured to: if the capability determining unit determines that the mobile terminal UE and the switched target system support the multiple input multiple output function, send a different system switching command message carrying the multiple input multiple output parameter information.
  • the method and device for switching to support a multiple input multiple output function system provided by the embodiment of the present invention, according to the obtained mobile terminal UE capability information and the target system capability information of the handover, the mobile terminal and the target system cut by the different system are determined. Whether the multi-input and multi-output functions are supported, if both the mobile terminal and the target system can support the multi-input and multi-output functions, the inter-system handover command message carrying the MIMO parameters information of the multi-input and multi-output parameters is sent, between the target system and the mobile terminal.
  • the MIMO function is enabled, so that when the mobile user needs to communicate with the target system, the air interface spectrum utilization rate of the system and the number of downlink peaks are increased, thereby increasing the target system capacity and increasing the data transmission rate.
  • FIG. 1 is a flowchart of a method for switching to a system supporting multiple input multiple output according to an embodiment of the present invention
  • FIG. 2 is a flowchart of another method for switching to a system supporting multiple input multiple output according to an embodiment of the present invention
  • FIG. 3 is a schematic structural diagram of a device for switching to a system supporting multiple input multiple output according to an embodiment of the present invention
  • FIG. 4 is a schematic structural diagram of another apparatus for switching to a system supporting multiple input multiple output according to an embodiment of the present disclosure
  • FIG. 5 is a flowchart of a method for switching to a system supporting multiple input multiple output functions according to an embodiment of the present invention.
  • a method for switching to a multi-input and multi-output function system is provided in the embodiment of the present invention.
  • the method includes:
  • Obtaining UE capability information of the mobile terminal and target system capability information of the handover may be acquired by a controller of the target system;
  • the multiple input multiple output parameter information may be parameter information required to perform a multiple input multiple output function, and may be carried in a multiple input multiple output of the different system switching command message
  • the multiple input multiple output parameter information mentioned in the embodiment is applicable to all embodiments of the present invention, and details are not described herein.
  • the method includes:
  • the radio network controller RNC acquires the UE capability information of the mobile terminal and the target system capability information of the handover;
  • the mobile terminal service is established on a high speed downlink packet access HSDPA transmission bearer according to the mobile terminal UE capability information and the target system capability information of the handover, according to the mobile terminal UE capability information and the handover thereof
  • the target system capability information determines whether the mobile terminal UE and its switched target system support multiple input and multiple output functions. Of course, it may also first determine whether multiple input multiple output functions are supported, and then determine whether to establish high speed downlink packet access. HSDPA transport bearers, or they can be performed simultaneously. The embodiment of the present invention does not limit the above implementation order.
  • the multiple carries multiple inputs A different system switching command message that outputs parameter information.
  • the heterogeneous system handover command message HANDOVER TO UTRAN COMMAND carrying the MIMO parameters information of the multiple input and multiple output parameters may be assembled into the RELOCATION REQUEST ACKNOWLEDGE message. Send it.
  • Table 1 it is a list of cells included in the HANDOVER TO UTRAN COMMAND message, where the MIMO parameters information is a newly added optional cell, and includes multiple input and multiple output parameter information; wherein, MP represents that the cell is Mandatory, it should always appear in the signaling; OP means that the cell is optional, ie it may or may not appear in the signaling, regardless of the existence or value of other cells in the same signaling. ; Information Need Multi Type and Semantics Version
  • the mobile terminal UE and the system supporting the MIMO function start the MIMO function.
  • an apparatus for switching to a multi-input and multi-output function system is provided in the embodiment of the present invention.
  • the device includes:
  • the information acquiring unit 301 is configured to acquire mobile terminal UE capability information and target system capability information of the handover;
  • the capability determining unit 302 is configured to determine, according to the mobile terminal UE capability information acquired by the information acquiring unit and the target system capability information of the handover, whether the UE and the target system that it switches support the multiple input multiple output function;
  • the information sending unit 303 is configured to: if the capability determining unit determines that the mobile terminal UE and the target system of the switching thereof support the multiple input multiple output function, send a different system switching command message carrying the multiple input multiple output parameter information.
  • the apparatus includes:
  • the information acquiring unit 401 is configured to acquire mobile terminal UE capability information and target system capability information of the handover;
  • the bearer determining unit 402 is configured to determine, according to the mobile terminal UE capability information and the target system capability information of the handover, whether the mobile terminal service is established on a high speed downlink packet access HSDPA transport bearer, if the mobile station is determined to be The terminal service is established on the high speed downlink packet access HSDPA transmission bearer, and the capability determining unit is notified;
  • the capability determining unit 403 is configured to determine, according to the mobile terminal UE capability information acquired by the information acquiring unit and the target system capability information of the handover, whether the UE and the target system that it switches support the multiple input multiple output function; When receiving the notification that the mobile terminal service sent by the bearer determining unit is established on the high speed downlink packet access HSDPA transmission bearer, it is determined whether the UE and its switched target system support the multiple input multiple output function.
  • the information sending unit 404 is configured to: if the mobile terminal UE and the target system of the handover support the multi-input multi-output function, send a different system handover command message carrying the MIMO parameters information.
  • the function starting unit 405 is configured to start the multiple input multiple output function by the mobile terminal UE and the target system supporting the multiple input multiple output function according to the different system switching command message.
  • the function activation unit is optional.
  • FIG. 5 a flowchart of a method for switching to a multi-input and multi-output function system is provided in the embodiment of the present invention; the specific steps are as follows:
  • the base station console BSC sends a RELOCATION REQUIRED message to the CN (Core Network).
  • the BSC sends a RELOCATION REQUIRED message to the core network to send a relocation request.
  • the message carries the information about the target cell and the UE. ;
  • the CN After receiving the RELOCATION REQUIRED message, the CN forwards the BSC request to the RNC through the RELOCATION REQUEST message according to the information about the target RNC carried by the CN.
  • the RNC determines, according to the information about the UE carried in the RELOCATION REQUEST message, whether the UE and the UE itself can support the MIMO function. And the UE supports the MIMO function, and the HANDOVER TO UTRAN COMMAND carrying the MIMO parameters information is assembled to the RELOCATION REQUEST ACKNOWLEDGE (migration request acknowledgement) message and sent to the CN;
  • the CN After receiving the RELOCATION REQUEST ACKNOWLEDGE message, the CN extracts the HANDOVER TO UTRAN COMMAND message sent by the RNC and carries the MIMO parameters information, and assembles the message into the RELOCATION COMMAND message, and then sets the RELOCATION COMMAND message. The message is sent to the BSC;
  • the BSC After receiving the RELOCATION COMMAND, the BSC obtains a HANDOVER TO UTRAN COMMAND message carrying the MIMO parameters of the cell, and sends the message to the UE.
  • the UE After receiving the HANDOVER TO UTRAN COMMAND message carrying the MIMO parameter information, the UE performs corresponding configuration according to the content in the HANDOVER TO UTRAN COMMAND message.
  • the corresponding configuration includes: the UE switches from the 2G system to the 3G, and starts. MIMO function; the UE informs the RNC that the configuration is completed by sending a HANDOVER TO UTRAN COMPLETE message (completed to the terrestrial radio access network of the universal mobile communication system);
  • the RNC After the RNC receives the HANDOVER TO UTRAN COMPLETE message, the RNC notifies the CN through the RELOCATION COMPLETE message, and the UE completes the handover.
  • the handover method and device for supporting the multiple input multiple output function system described above are not limited to the UE migration from the 2G network system to the 3G network system embodiment, and are also applicable to the UE migration into the 3G network under other network systems.
  • the system for example: LTE (Long Term Evolution), the UE under the network system migrates into the 3G network system.
  • the handover method and device for supporting the multiple input multiple output function system provided by the embodiment of the present invention, the mobile terminal UE capability information acquired by the present invention and the target system capability information of the handover thereof are used to determine the target system of the mobile terminal and its different system cut-in Whether multi-input and multi-output functions are supported. If both the mobile terminal and the target system can support multiple input and multiple output functions, the MIMO is carried.
  • the different system switching command message of the parameter information starts the MIMO function between the target system and the mobile terminal, so that when the mobile user needs to communicate with the target system, the air interface spectrum utilization rate of the system and the number of downlink peaks are increased, thereby making the target system Increased capacity and increased data transfer rate.

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

Abstract

La présente invention concerne un procédé et un dispositif qui servent à la commutation et peuvent être utilisés dans le domaine technique de la communication mobile. Le procédé consiste à obtenir des informations de capacité de l’équipement utilisateur (UE) et des informations de capacité du système cible commuté (101) ; si on détermine que l’UE et le système cible commuté supportent la fonction entrée multiple sortie multiple (MIMO) en fonction des informations de capacité de l’UE obtenues et des informations obtenues de capacité du système cible commuté, transmettre un message différent de commande de commutation de système avec les informations de paramètre MIMO (102). L’invention peut être utilisée pour augmenter la capacité du système, et résoudre le problème actuel selon lequel lorsque le système différent est commuté vers le système 3G qui supporte la fonction MIMO, l’UE peut seulement être intégré sur la charge de transmission d’accès par paquets en liaison descendante haut débit (HSDPA) supportant la couche physique par le système 3G, et la fonction MIMO du système MIMO ne peut pas être suffisamment utilisée.
PCT/CN2009/072986 2008-07-30 2009-07-30 Procédé et dispositif servant à la commutation Ceased WO2010012228A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200810135116A CN101640915A (zh) 2008-07-30 2008-07-30 一种切换入支持多输入多输出技术系统的方法及装置
CN200810135116.0 2008-07-30

Publications (1)

Publication Number Publication Date
WO2010012228A1 true WO2010012228A1 (fr) 2010-02-04

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WO (1) WO2010012228A1 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102209356B (zh) * 2010-03-30 2016-07-06 中兴通讯股份有限公司 传输终端能力的方法、重定位、系统间切换方法及系统
CN102264159A (zh) * 2010-05-26 2011-11-30 中兴通讯股份有限公司 多输入多输出mimo模式的切换方法及系统
CN102420643B (zh) * 2010-09-28 2014-07-16 电信科学技术研究院 通知和启动多用户mimo的方法及装置
CN106686661B (zh) * 2015-11-09 2020-03-10 上海无线通信研究中心 一种异构网络的数据分流方法
KR102031189B1 (ko) * 2017-10-27 2019-10-11 에스케이 텔레콤주식회사 이종 네트워크 시스템에서 서비스를 제공하는 방법 및 그를 위한 장치

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070195688A1 (en) * 2006-02-21 2007-08-23 Qualcomm Incorporated Spatial pilot structure for multi-antenna wireless communication
CN101087166A (zh) * 2006-06-05 2007-12-12 中兴通讯股份有限公司 一种实现多天线系统切换的方法和装置

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20070195688A1 (en) * 2006-02-21 2007-08-23 Qualcomm Incorporated Spatial pilot structure for multi-antenna wireless communication
CN101087166A (zh) * 2006-06-05 2007-12-12 中兴通讯股份有限公司 一种实现多天线系统切换的方法和装置

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