CN101035308A - Radio communication system and mobility management method - Google Patents

Radio communication system and mobility management method Download PDF

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CN101035308A
CN101035308A CN 200610059298 CN200610059298A CN101035308A CN 101035308 A CN101035308 A CN 101035308A CN 200610059298 CN200610059298 CN 200610059298 CN 200610059298 A CN200610059298 A CN 200610059298A CN 101035308 A CN101035308 A CN 101035308A
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network
wireless network
support node
mobile terminal
wireless
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CN 200610059298
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邓永锋
胡伟华
郭均祥
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华为技术有限公司
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Abstract

The invention discloses a wireless communication system and a mobile management method. And the wireless communication system comprises first wireless network and second wireless network, where the location area marks broadcasted by the first and second wireless networks are the same, and received by mobile terminal so as to make the mobile terminal in idle mode not initiate any location updating flow when roaming between the first and second wireless networks; and the configuration information of at least one support node of the core networks of the first and second wireless networks is set with information of expressing preferred network.

Description

无线通信系统和移动性管理方法 The wireless communication system and method of mobility management

技术领域 FIELD

本发明涉及无线移动通信领域,尤其涉及无线通信系统和移动性管理方法。 The present invention relates to a wireless mobile communication field, and particularly to a wireless communication system and method of mobility management.

背景技术 Background technique

通用移动通信系统(Universal Mobile TelecommunicationsSystem,UMTS)是采用宽带码分多址接入(Wideband Code DivisionMultiple Access,WCDMA)空中接口技术的第三代移动通信系统(3G),通常也把UMTS称为WCDMA通信系统。 Universal Mobile Telecommunications System (Universal Mobile TelecommunicationsSystem, UMTS) employing Wideband Code Division Multiple Access (Wideband Code DivisionMultiple Access, WCDMA) air interface technology of the third generation mobile communication system (3G), also commonly referred to as the UMTS WCDMA communication system. 如图1所示,UMTS采用了与第二代移动通信系统(2G)类似的结构,包括无线接入网络(Radio Access Network,RAN)20和核心网络(CoreNetwork,CN)30。 1, UMTS uses a similar structure as the second generation mobile communication system (2G), comprising a radio access network (Radio Access Network, RAN) 20 and a core network (CoreNetwork, CN) 30. 其中无线接入网络20用于处理所有与无线有关的功能,而核心网络30处理UMTS内所有的话音呼叫和数据连接,并实现与外部网络40的交换和路由功能。 20 wherein the radio access network handles all, while the inner core UMTS network 30 processes all the voice calls and data connections to a wireless related functions, and to achieve switching and routing functions with external networks 40. 核心网络从逻辑上分为电路交换域(Circuit Switched Domain,CS)32和分组交换域(PacketSwitched Domain,PS)34。 The core network is divided into the circuit switched domain (Circuit Switched Domain, CS) 32 and the packet-switched domain (PacketSwitched Domain, PS) 34 logically. UMTS陆地无线接入网(UMTS TerritorialRadio Access Network,UTRAN)20、核心网络30、与用户设备(UserEquipment,UE)10一起构成了整个UMTS。 UMTS Terrestrial Radio Access Network (UMTS TerritorialRadio Access Network, UTRAN) 20, a core network 30, with user equipment (UserEquipment, UE) 10 together constitute the entire UMTS.

如图2所示,UTRAN包含一个或几个无线网络子系统(RadioNetwork Subsystem,RNS)22。 2, UTRAN comprises one or several radio network subsystems (RadioNetwork Subsystem, RNS) 22. 一个无线网络子系统22由一个无线网络控制器(Radio Network Controller,RNC)24和一个或多个基站(NodeB)26组成。 A radio network subsystem 22 consists of a radio network controller (Radio Network Controller, RNC) 26 and 24 consisting of one or more base stations (NodeB). 无线网络控制器24与核心网络30之间的接口是Iu接口,NodeB 26与无线网络控制器24通过Iub接口连接。 An interface 30 between the radio network controller 24 is an Iu interface with the core network, NodeB 26 and RNC 24 via interface Iub. 在UTRAN内部,无线网络控制器24之间通过Iur接口互联,Iur接口可以通过无线网络控制器24之间的直接物理连接或通过传输网连接。 Within the UTRAN, a radio network controller 24 via the Iur interface between the interconnection, or the Iur interface may be connected via transport network 24 via a direct physical connection between the radio network controller. 无线网络控制器24用来分配和控制与之相连或相关的NodeB 26的无线资源(Radio Resource)。 The radio network controller 24 connected thereto to distribute and control the radio resource or the NodeB 26 (Radio Resource). NodeB 26则完成Iub接口与Uu接口之间的数据流的转换,同时也参与一部分无线资源管理。 NodeB 26 is completed converted data flow between the Iub interface and the Uu interface, and also take part in the radio resource management.

NodeB 26是WCDMA系统的基站,包括无线收发信机和基带处理部件。 NodeB 26 is the base station of the WCDMA system, comprising a wireless transceiver and a baseband processing section. 通过标准的Iub接口与无线网络控制器24互连,主要完成Uu接口物理层协议的处理。 By standard Iub interface with a radio network controller 24 are interconnected, the main processing is completed Uu interface physical layer protocol. 它的主要功能是扩频、调制、信道编码以及解扩、解调、信道解码,还包括基带信号和射频信号的相互转换等功能。 Its main function is to spread spectrum, modulation, channel coding and despreading, demodulation, channel decoding, further comprising a mutual conversion baseband signal and RF signal functions.

无线网络控制器24用于控制UTRAN的无线资源,主要完成连接建立和断开、切换、宏分集合并、无线资源管理控制等功能。 The radio network controller 24 for the UTRAN RRC, connection establishment is completed and the main disconnect switch, macro diversity combining, radio resource management control functions.

以上的网络架构是基于3GPP Rel6以前版本的架构,目前3GPP(3rd Generation Partnership Project)正在研究一种全新的演进网络架构,以满足未来十年甚至更长时间内移动网络的应用需求。 More than one network architecture is based on 3GPP Rel6 previous version of the framework, the current 3GPP (3rd Generation Partnership Project) is studying the evolution of a new network architecture to meet within the next decade or more mobile applications network. 由于是一种全新的网络架构,因此现有架构的所有节点、功能、和流程都将发生实质性的变化。 Because it is a new network architecture, all nodes, functions, and processes of the existing structure will change substantially.

3GPP考虑到未来网络的竞争能力,目前正在积极研究一种演进的3GPP网络系统,目前有很多种演进方案在3GPP展开了讨论,网络演进的目的是希望提供一种低时延、高数据速率、高系统容量和覆盖、低成本、完全基于IP的网络。 3GPP taking into account the future competitiveness of the network, currently actively studying the evolution of the 3GPP network system, there are many programs in the evolution of 3GPP launched a discussion of the purpose of network evolution is desirable to provide a low-latency, high data rate, high system capacity and coverage, low-cost, all-IP network.

其中,网络演进的目标之一就是实现演进的UMTS陆地无线接入网(Evolved UMTS Territorial Radio Access Network,E-UTRAN)和UTRAN、GSM/EDGE无线接入网(GSM/EDGE Radio AccessNetwork,GERAN)之间的移动性管理,目前提出了一种解决所述3GPP接入系统间移动性管理的方案,该方案基于如图3所示的网络架构。 Among them, one of the goals is to realize network evolution UMTS terrestrial radio access network evolution (Evolved UMTS Territorial Radio Access Network, E-UTRAN) and UTRAN, GSM / EDGE radio access network (GSM / EDGE Radio AccessNetwork, GERAN) of mobility management among currently proposed inter 3GPP access system mobility management solutions, the solutions based on the network architecture shown in FIG. 3.

现有的不同无线接入类型(Radio Access Type,RAT)间的移动性管理方案对于位置区的规划采用的是基于不同的接入技术的方案。 Mobility management scheme existing between different radio access types (Radio Access Type, RAT) position of the planning area are employed based on different access technologies solutions. 如图3所示,长期演进(Long Term Evolution,LTE)路由区(Routing Area,RA)52为演进的E-UTRAN小区,2G/3G路由区50为传统网络中的UMTS或GPRS小区。 3, the long term evolution (Long Term Evolution, LTE) routing area (Routing Area, RA) 52 is evolved E-UTRAN cell, 2G / 3G routing area 50 of a conventional GPRS network or a UMTS cell. 当作为移动终端的用户设备10在演进的系统架构演进(System Architecture Evolution,SAE)网络和传统的2G/3G网络间漫游时,用户设备10为了接收网络提供的业务,需要向网络侧发起路由区更新过程。 When a user equipment of the mobile terminal 10 in a System Architecture Evolution Evolved (System Architecture Evolution, SAE) when the inter-network and conventional 2G / 3G roaming, the user equipment 10 to receive network services provided, needs to initiate a routing area to the network side the update process. 在这种网络架构下,用户设备发起的路由区更新流程如下:1)当用户设备10从2G/3G网络覆盖下进入演进的SAE网络覆盖下,用户设备10通过监听广播信道获得其所在的演进网络路由区标识(identify)信息。 In such a network architecture, the user equipment initiates a routing area update process is as follows: 1) When the user equipment 10 enters evolved from the 2G / 3G network coverage SAE network coverage, the user device 10 obtained it in an evolved by monitoring a broadcast channel network routing area identity (identify) information. 发现与原有的2G/3G网络路由区标识不匹配,则用户设备10向网络侧发起路由区更新流程。 Found that does not match the original 2G / 3G network routing area identifier, the user equipment 10 initiates a routing area update procedure to a network side.

2)用户设备10发送一个路由区更新请求到MME/UPE(Mobility Management Entity,移动性管理实体;User Plane Entity,用户平面实体)82,消息包括原来的注册信息(如临时身份等,如果没有临时身份就用永久身份)。 2) The user equipment 10 sends a routing area update request to the MME / UPE (Mobility Management Entity, mobility management entity; User Plane Entity, User Plane Entity) 82, a message including the original registration information (e.g. temporary identity, etc., if no temporary identity on the permanent status). 路由区更新请求还可以包括缺省IP接入承载(Access Bearer)信息(如用户优选的IP地址和APN)。 Routing area update request may further include a default IP access bearer (Access Bearer) information (e.g. user preferred IP address and APN).

3)MME/UPE 82将接收到的原注册信息发送给原来的MME/UPE 25以获取用户的信息。 3) MME / UPE 82 stores the received registration information to the original old MME / UPE 25 to obtain information of the user.

4)原来的MME/UPE 25发送用户信息(如永久用户身份)给新MME/UPE 82。 4) The original MME / UPE 25 transmits user information (such as the permanent user identity) to the new MME / UPE 82.

5)用户设备通过新的MME/UPE 82进行鉴权。 5) authenticating a user equipment by a new MME / UPE 82.

6)新MME/UPE 82将自身注册成用户设备10的服务节点。 6) the new MME / UPE 82 will register itself as a service node 10 of the user equipment.

7)在原MME/UPE 25中用户设备10的信息将被删除,或者用户设备10被标志为不在本服务区。 7) The MME / UPE 25 in the information of the user device 10 will be deleted, or the flag to the user equipment 10 is not present service area.

8)归属用户服务器(Home Subscriber Server,HSS)60确认MME/UPE 82注册成功,授权使用缺省IP接入承载的用户签约信息转移给MME/UPE 82,计费策略信息也随之转移到MME/UPE 82。 8) home subscriber server (Home Subscriber Server, HSS) 60 confirmed MME / UPE 82 registered, authorized to use the default IP access bearer user subscription transfer information to the MME / UPE 82, charging policy information can also be transferred to the MME / UPE 82.

9)选择Inter AS Anchor 70。 9) Select the Inter AS Anchor 70.

10)Inter AS Anchor 70配置IP层。 10) Inter AS Anchor 70 configure the IP layer. 用户平面在UPE-Inter ASAnchor之间建立起来,并且使用缺省的计费和策略。 The user plane is established between UPE-Inter ASAnchor, and the default policy and charging.

11)MME/UPE 82将缺省IP接入承载的服务质量(Quality ofService,QOS)配置信息提供给演化的无线接入网络。 11) MME / UPE 82 quality of service (Quality ofService, QOS) the default IP access bearer configuration information to a radio access network evolution. MME/UPE 82接受用户设备10的位置更新请求,并为用户设备10分配一个临时标识。 MME / UPE 82 accepts the user equipment 10 is a location update request, and the user device is assigned a temporary identity 10.

12)MME/UPE 82确认用户设备路由区更新成功。 12) MME / UPE 82 confirm the successful routing area update user equipment.

从上面的流程可以看出,现有的不同无线接入类型间的空闲模式(LTE_IDLE)下的移动性管理方案存在如下的缺点:在空闲模式下,用户设备从2G/3G移动到SAE/LTE接入系统时,将发生位置更新的一系列过程,包括MME/UPE之间用户设备上下文(UEContext)的转移,MME向HSS注册,UPE向Inter AS Anchor做路由更新等,因此将导致一系列的空闲模式下的位置管理信令流量。 Can be seen from the above process, there is the disadvantage mobility management scheme different from the conventional idle mode (LTE_IDLE) between the wireless access type: in idle mode, the user equipment from the 2G / 3G mobile to SAE / LTE when the access system, a series of location update process will occur, including the transfer of a user device context (UE cONTEXT) between MME / UPE, MME registered with the HSS, UPE updates to routing the Inter AS Anchor and the like, thus leading to a series of location management in idle mode signaling traffic. 而由于演进网络建网初期E-UTRAN小区覆盖范围较小,随着用户设备的漫游,其在E-UTRAN和UTRAN、GERAN之间频繁移动,从而导致系统频繁进行位置更新的流程,极大地增加了空闲模式下的信令流量负荷。 Since the early evolution of networks and network construction E-UTRAN cell covering a small area, with the roaming user equipment, which move frequently between E-UTRAN and UTRAN, GERAN, causing the system to perform frequent location update process, greatly increased the signaling traffic load in idle mode.

发明内容 SUMMARY

本发明的主要目的在于提供一种移动性管理方法及无线通信系统,用于克服由于现有技术的局限和缺陷而造成的在不同无线接入类型的接入网络之间频繁移动导致的系统频繁进行位置更新的问题。 The main object of the present invention is to provide a mobility management method and a wireless communication system, the system for overcoming frequently due to limitations and disadvantages of the prior art caused between different wireless access types of access networks due to the frequent movement of conduct problems updates.

为了实现上述目的,根据本发明的第一方面,本发明提供了一种无线通信系统。 To achieve the above object, according to a first aspect of the present invention, the present invention provides a wireless communication system. 该无线通信系统包括第一无线网络和第二无线网络。 The wireless communication system includes a first wireless network and a second wireless network. 当处于空闲模式下的移动终端所接收到的位置区标识发生变化时,其发起位置更新流程。 When the mobile terminal identification changes in the idle mode the received location area, it initiates a location update procedure. 第一无线网络和第二无线网络播发的位置区标识相同,使得处于空闲模式下的移动终端在第一无线网络与第二无线网络之间漫游时,不发起位置更新流程。 Identifying the same first wireless network and a second wireless network broadcast location area, such that the mobile terminal is in the idle mode between a first wireless network and a second wireless network roaming, does not initiate the location update procedure.

在该无线通信系统中,第一无线网络与第二无线网络的覆盖范围可以部分重叠。 In this radio communication system, radio coverage of the first network and the second wireless network may partially overlap. 第一无线网络和第二无线网络中的一种可以是另一种的演进网络。 A first wireless network and one second wireless network may be another network evolution. 第一无线网络和第二无线网络中的一种可以包括2G、2.5G、和3G网络中的至少一种。 A first wireless network and a second wireless network may comprise 2G, at least one of 2.5G, and 3G networks. 位置区标识可以为路由区标识或跟踪区标识。 Location area identifier may identify a tracking area or routing area identification.

为了实现上述目的,根据本发明的第二方面,本发明提供了一种移动性管理方法。 To achieve the above object, according to a second aspect of the present invention, the present invention provides a method for mobility management. 为多网络覆盖区域设置相同的位置区标识。 The coverage area of ​​the same set of multiple network location area identifier. 位置区标识由移动终端接收,从而使处于空闲模式下的移动终端在多网络间漫游时,不发起位置更新流程。 When the location area identity received by the mobile terminal, so that the mobile terminal is in idle mode roam among multiple networks, do not initiate a location update procedure.

多网络可以包括第一无线网络和第二无线网络。 Multi-network may include a first wireless network and a second wireless network. 第一无线网络与第二无线网络的覆盖范围可以部分重叠。 Coverage of the first wireless network and second wireless network may partially overlap. 第一无线网络和第二无线网络中的一种可以是另一种的演进网络。 A first wireless network and one second wireless network may be another network evolution. 第一无线网络和第二无线网络中的一种可以包括2G、2.5G、和3G网络中的至少一种。 A first wireless network and a second wireless network may comprise 2G, at least one of 2.5G, and 3G networks.

位置区标识可以为路由区标识或跟踪区标识。 Location area identifier may identify a tracking area or routing area identification. 第一无线网络的位置区标识可以为该网络覆盖区域的路由区标识,第二无线网络的位置区标识被直接设置为第一无线网络的路由区标识。 Location area identity of the first wireless network may cover areas routing area identifier for the network, location area identification of the second wireless network is set directly to a first radio network routing area identification.

为了实现上述目的,根据本发明的第三方面,本发明提供了一种移动性管理方法。 To achieve the above object, according to a third aspect of the present invention, the present invention provides a method for mobility management. 在第一无线网络的核心网中的支持节点和第二无线网络的核心网中的支持节点中的至少一个支持节点的配置信息中设置用于表示优选网络的信息。 Support node in the core network core network in a first wireless network and a second support node of a wireless network supporting at least one of the configuration information in the node information is provided for indicating a preferred network.

第一无线网络与第二无线网络的覆盖范围可以部分重叠。 Coverage of the first wireless network and second wireless network may partially overlap. 第一无线网络和第二无线网络中的一种可以是另一种的演进网络。 A first wireless network and one second wireless network may be another network evolution.

用于表示优选网络的信息可以选自包括以下内容的组:不优选网络;优选第一无线网络,移动终端的上下文保留在第一无线网络的核心网中;以及优选第二无线网络,移动终端的上下文保留在第二无线网络的核心网中。 Information indicating a preferred network may be selected from the group comprising: non-preferred network; preferably a first wireless network, the context of the mobile terminal remains in the core network of the first wireless network; and preferably a second wireless network, the mobile terminal context retained in the core network of the second wireless network.

设置用于表示优选网络的信息的步骤可以是通过在支持节点中的配置信息中增加一个字段,字段可以为3比特,其值对应于移动终端的上下文的优选保存网络位置。 Step preferred network information is provided for indicating a field may be increased by the support node configuration information, the field can be 3 bits, which is preferably stored value corresponding to a network location of the mobile terminal context.

如果第二无线网络为优选网络,则当移动终端从第三无线网络漫游至第一无线网络时,通过比较由广播信道下发的位置区标识与其保存的位置区标识,判决发起位置区更新流程,包括以下信令流程:1)移动终端发送包括原注册信息的注册请求到第一无线网络的核心网中的第一支持节点; If the second wireless network is a preferred network, when the mobile terminal to a third wireless network roams from a first wireless network, by comparing the location area broadcast channel issued the location area identifier stored in its identification, location area update procedure initiation decision comprising the signaling process: 1) the mobile terminal transmitting a registration request to the first support node of the core network of the first wireless network, the original registration information;

2)第一支持节点将接收到的原注册信息发送给第三无线网络的核心网中的原支持节点,以获取用户信息;3)原支持节点发送用户信息给第一支持节点;4)移动终端通过第一支持节点进行鉴权;5)第一支持节点检查其内配置的优选网络信息以及移动终端的接入能力,判决移动终端应驻留在第二无线网络侧,第一支持节点选择第二无线网络的核心网中的一个新支持节点,并向其发送用户上下文配置请求消息,请求该新支持节点为移动终端生成移动性管理上下文;6)新支持节点将自身注册成移动终端的服务节点;7)在原支持节点中移动终端上下文将被删除,或者移动终端被标志为不在其服务区;8)归属用户服务器确认新支持节点注册成功,用户签约信息转移给新支持节点,计费策略信息也随之转移到新支持节点;9)新支持节点接受移动终端的网络附着,并且分 2) a first support node stores the received registration information to the original primary node of the core network to support third wireless network to obtain user information; 3) support node send the original user information to the first support node; 4) move authenticating the terminal by a first support node; 5) a first check preferred network support node and the access capability information of the mobile terminal disposed therein, judgment should reside in the mobile terminal side of the second wireless network, the first support node selection a core network of a new support node in the second wireless network, and transmits user context configuration request message requesting that the new support node generates a mobility management context for the mobile terminal; 6) to register the new support node to the mobile terminal itself service node; 7) the mobile terminal context will be deleted in the original support node or the mobile terminal is marked as not in its service area; 8) Home Subscriber server, confirm that the new support node registration is successful, the user subscription information transferred to the new support node, billing policy information would be transferred to the new support node; 9) attached to the new support node to accept a mobile terminal network, and points 配一个临时身份给移动终端,并向第一支持节点确认用户上下文配置完成;以及10)第一支持节点收到用户上下文配置响应消息后,向移动终端确认注册完成。 With a temporary identity to the mobile terminal, and a first support node to confirm user context configuration; and a rear 10) support node receives a first user context configuration response message, registration completion confirmation to the mobile terminal.

第三无线网络的类型可与第一无线网络和第二无线网络中的一种的类型相同。 The third type of wireless networks may be the same with one of the first wireless network and a second wireless network type.

通过上述技术方案,本发明实现了如下技术效果。 Through the above technical solution, the present invention achieves the following technical effects. 由于不同无线接入类型的网络采用相同的位置区标识,使得移动终端在不同无线接入类型的网络的覆盖区域间漫游时,不会发起位置更新的流程,避免了由于系统频繁进行位置更新流程而导致的空闲模式下的信令流量负荷的大量增加。 Because different types of radio access network with the same location area identification, when the mobile terminal between coverage areas of different types of radio access network roaming, does not initiate a location update process, the system avoids frequent location update procedure and a significant increase in the signaling traffic load due to the idle mode. 此外,保持移动终端的实际驻留网络和保留移动终端上下文的网络的一致性,有效的减小了移动终端上下文的迁移。 Further, actually resides holding the mobile terminal and the network of the mobile terminal context retention consistency network, effectively reduce the migration of the mobile terminal context.

附图说明 BRIEF DESCRIPTION

此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。 The drawings described herein to provide a further understanding of the present invention, constitute a part of this application, exemplary embodiments of the present invention are used to explain the present invention without unduly limiting the present invention. 在附图中:图1是UMTS系统结构图;图2是UTRAN网络结构图;图3示出3GPP SAE/LTE与2G/3G接入系统间的移动;图4是根据本发明的移动性管理方法的流程图;图5是根据本发明的无线通信系统的框图;图6是根据本发明的移动性管理方法的流程图;图7是根据本发明实施例的演进路由区规划示意图;图8是根据本发明实施例的演进路由区的结构示意图;以及图9示出根据本发明实施例的用户设备附着流程。 In the drawings: FIG. 1 is a configuration diagram of a UMTS system; FIG. 2 is a configuration diagram of a UTRAN network; FIG. 3 shows the movement between the 3GPP SAE / LTE and 2G / 3G access system; FIG. 4 is a mobility management according to the present invention flowchart of a method; FIG. 5 is a block diagram of a wireless communication system according to the invention; FIG. 6 is a flowchart showing a mobility management method of the present invention; FIG. 7 is a plan schematic view of a routing area evolution embodiment of the present invention; FIG. 8 Evolution is a schematic structural diagram of the routing area of ​​the embodiment of the present invention; and attachment procedure of the user equipment according to an embodiment of the present invention is shown in FIG. 9.

具体实施方式 detailed description

下面将参考附图详细说明本发明。 The present invention will be described in detail below with reference to the accompanying drawings.

本发明基于现有的演进网络架构,提出了一种新的不同无线接入类型间位置区的规划方案,并提出了基于此位置区规划方案的移动性管理方案,有效的解决了用户设备在E-UTRAN和UTRAN、GERAN之间频繁移动导致的系统频繁进行位置更新的问题。 The present invention is based on the existing network architecture evolution, proposes a new wireless access between different types of location area planning, and proposed based mobility management scheme of planning the position of this area, an effective solution to the user equipment system E-UTRAN and between UTRAN, GERAN frequent movement problem caused by frequent updates.

如图4所示,本发明所提供的无线通信系统包括:第一无线网络1;第二无线网络2。 As shown in FIG 4, the radio communication system of the present invention is provided comprising: a first wireless network; a second wireless network 2. 当处于空闲模式下的用户设备10所接收到的路由区或跟踪区标识发生变化时,其发起位置更新流程。 When the user equipment changes identified in idle mode 10 received tracking area or routing area, it initiates a location update procedure. 第一无线网络1和第二无线网络2播发的路由区或跟踪区标识相同,使得处于空闲模式下的用户设备10在第一无线网络1与第二无线网络2之间漫游时,不发起位置更新流程。 2 and a second wireless network broadcast routing area or tracking area identifier same as the first wireless network 1, such that the user equipment is in idle mode 10 of the first 1 and the second wireless network roaming between wireless network 2, does not initiate location update process.

在该无线通信系统中,第一无线网络1与第二无线网络2的覆盖范围可以部分重叠。 In this radio communication system, radio coverage of the first network and a second wireless network 2 may partially overlap. 第一无线网络1和第二无线网络2中的一种可以是另一种的演进网络。 A medium 2, a first wireless network and a second wireless network may be another network evolution. 第一无线网络1和第二无线网络2中的一种可以是2G、2.5G、或3G网络。 One kind of a first wireless network 2 and the second wireless network may be a 2G, 2.5G, or 3G network.

如图5所示,本发明所提供的移动性管理方法包括为多网络覆盖区域设置相同的位置区标识,当移动终端在多网络间漫游时,移动终端获取位置区标识,而不发起位置更新流程。 As illustrated, the mobility management method according to the present invention include 5 covers the same area location area identifier is provided a multi-network, when the mobile terminal roaming between multiple networks, the mobile terminal obtains the location area identifier, rather than initiating a location update Process. 多网络包括第一无线网络和第二无线网络。 Multi-network comprises a first wireless network and a second wireless network. 具体步骤如下:S100,使第一无线网络与第二无线网络播发相同的位置区标识;S102,当用户设备在处于空闲模式时,其接收无线网络所播发的位置区标识;以及S104,当用户设备在第一无线网络与第二无线网络之间漫游时,不发起位置更新流程。 The following steps: S100, the first wireless network and a second wireless network broadcast the same location area identifier; S102, when the user equipment in the idle mode, receives the location area identifier broadcast by the wireless network; and S104, when the user device between a first wireless network and a second wireless network while roaming, does not initiate a location update procedure.

第一无线网络与第二无线网络的覆盖范围可以部分重叠。 Coverage of the first wireless network and second wireless network may partially overlap. 第一无线网络和第二无线网络中的一种可以是另一种的演进网络。 A first wireless network and one second wireless network may be another network evolution. 第一无线网络和第二无线网络中的一种可以是2G、2.5G或3G网络。 A first wireless network and one second wireless network may be a 2G, 2.5G or 3G network. 位置区标识可以为路由区标识或跟踪区标识。 Location area identifier may identify a tracking area or routing area identification.

如图6所示,本发明所提供的另一种移动性管理方法包括以下步骤:S200,在第一无线网络的核心网和/或第二无线网络的核心网中的支持节点的配置信息中增加一个字段,该字段可以为3比特,其值对应于用户设备的上下文的优选保存网络位置;S202,使字段表示优选网络信息,例如,不优选;优选第一无线网络,用户设备的上下文保留在第一无线网络的核心网中;以及优选第二无线网络,用户设备的上下文保留在第二无线网络的核心网中。 6, a further mobility management method of the present invention is provided comprising the steps of: configuration information S200, the core network core network of a first wireless network and / or the second wireless network node supporting add a field, this field may be 3 bits, which is preferably stored value corresponding to the network location of the user device context; S202, that the preferred network information field indicates, for example, is not preferred; context preferably a first wireless network, the user equipment reservations in the core network a first wireless network; context and preferably a second wireless network, the user equipment remains in the core network of the second wireless network.

如果配置为优选第一无线网络时(S204),则当用户设备从第三无线网络漫游至第二无线网络时,发起位置更新流程(S206)。 If the configuration is preferably a first wireless network (S204), while the third wireless device when a user roams to a second network from a wireless network initiates a location update procedure (S206). 如果配置为优选第二无线网络时(S208),则当用户设备从第三无线网络漫游至第一无线网络时,发起位置更新流程(S210)。 If the second wireless network is preferably configured (S208), when the user equipment roams to the third wireless network from a first wireless network initiates a location update procedure (S210).

第一无线网络与第二无线网络的覆盖范围可以部分重叠。 Coverage of the first wireless network and second wireless network may partially overlap. 第一无线网络和第二无线网络中的一种是另一种的演进网络。 A first wireless network and the second wireless network is another network evolution. 第三无线网络的类型与第一无线网络和第二无线网络中的一种的类型相同。 The third type of wireless network to the first wireless network and a second wireless network in one of the same type.

第一无线网络和第二无线网络播发的位置区标识可以相同。 A first wireless network and a second wireless network broadcast the location area identifier may be the same. 无论第一无线网络和第二无线网络播发的位置区标识是否相同,在第一无线网络的核心网和/或第二无线网络的核心网中的支持节点的配置信息中都可以包括用于表示优选网络的信息,该用于表示优选网络的信息可以是增加的字段。 Whether a first wireless network and a second wireless network broadcast the location area identifier is the same, the core network of the first wireless network and / or core network configuration information in the second wireless network support node may comprise for indicating preferably the network information, the information indicating a preferred network may be added field.

如果第二无线网络被配置为优选网络,则当用户设备从第三无线网络漫游至第一无线网络时,通过比较由广播信道下发的位置区标识与其保存的位置区标识,判决发起位置区更新流程,包括以下信令流程:1)用户设备发送包括原注册信息的注册请求到第一无线网络的核心网中的第一支持节点;2)第一支持节点将接收到的原注册信息发送给第三无线网络的核心网中的原支持节点,以获取用户信息;3)原支持节点发送用户信息给第一支持节点;4)用户设备通过第一支持节点进行鉴权;5)第一支持节点检查其内配置的优选网络信息以及用户设备的接入能力,判决用户设备应驻留在第二无线网络侧,第一支持节点选择第二无线网络的核心网中的一个新支持节点,并向其发送用户上下文配置请求消息,请求该新支持节点为用户设备生成移动性管理上下文;6)新支 If the second wireless network as a preferred network is configured, when the user equipment roams to the third wireless network from a first radio network, by comparing the location area broadcast by the channel sent by the location area identifier stored in its identification, location area decision initiated update procedure signaling process comprising: 1) a user equipment transmits a registration request including the registration information to the original first support node of the core network of the first wireless network; 2) a first support node stores the received registration information transmitting original a core network support node to the original third wireless network to obtain user information; 3) support node send the original user information to the first support node; 4) by a first user device authentication support node; 5) a first support node checks preferred network information access capability and the user equipment arranged therein, decides that the user equipment should reside in a second wireless network, the first node selects a core network supporting a second wireless network in the new support node, and transmits user context configuration request message requesting that the new support node generates a mobility management context for a user equipment; 6) new branch 节点将自身注册成用户设备的服务节点;7)在原支持节点中用户设备上下文将被删除,或者用户设备被标志为不在其服务区;8)归属用户服务器确认新支持节点注册成功,用户签约信息转移给新支持节点,计费策略信息也随之转移到新支持节点;9)新支持节点接受用户设备的网络附着,并且分配一个临时身份给用户设备,并向第一支持节点确认用户上下文配置完成; Node will register itself as a service node user equipment; 7) the user device context will be deleted in the original support node, or user equipment is marked as not in its service area; 8) Home Subscriber Server, confirm that the new support node successfully registered user subscription information transferred to the new support node, charging policy information can be transferred to the new support node; 9) to accept the new support node user equipment network attachment and allocates a temporary identity to the user equipment to the user to confirm the first support node context configuration carry out;

10)第一支持节点收到用户上下文配置响应消息后,向用户设备确认注册完成。 After 10) support node receives a first user context configuration response message, registration completion confirmation to the user equipment.

[实施例一]在新的演进路由区(Evolved Routing Area,ERA)规划方案中,原有的2G/3G网络覆盖的区域仍保持原有的路由区规划,而演进网络覆盖的区域则采用和同地区的传统2G/3G网络联合规划的方式,形成演进路由区(演进路由区还可以自定义称为:统一(unified)路由区、联合(united)路由区、接合(joint)路由区、关联(associated)路由区、或组合(combined)路由区)。 [Example I] in a new routing area evolution (Evolved Routing Area, ERA) in the plan, the existing 2G / 3G network coverage area remains the original planning routing area, while the area covered by the evolved network is used and traditional 2G same area / 3G network joint planning of the way, a routing area evolution (evolution routing area can also customize known as: unified (unified) routing area, United (united) routing area, joining (joint) routing area, the association (Associated) routing area, or a combination of (Combined) routing area). 在本实施例中,可以将原有的2G/3G网络视为第一无线网络,演进网络视为第二无线网络。 In the present embodiment, the existing 2G / 3G wireless network can be considered a first network, a second wireless network as an evolved network.

图7所示的是演进路由区规划示意图。 Evolution is a schematic plan routing area 7 shown in FIG. 图中共有三种类型的网络覆盖:由无线网络控制器24管理的3G网络的UTRAN小区;由边界无线站(Edge Radio Station,ERS)84管理的演进网络的E-UTRAN网络小区;由基站控制器(Base Station Controller,BSC)28管理的2G网络的GERAN小区。 There are three types in FIG network coverage: 3G network 24 managed by the radio network controller UTRAN cell; E-UTRAN network cell boundary by the evolution of the network radio station (Edge Radio Station, ERS) management 84; by the base station controller GERAN cell (Base Station Controller, BSC) 2G network 28 managed. 其中由于BSC 28控制的GERAN小区为独立的传统2G/3G网络覆盖,则BSC 28下的小区按照现有的路由区规划方案,分解成多个路由区56。 Since BSC 28 wherein the cell is controlled by separate conventional GERAN 2G / 3G network coverage, the BSC 28 cells in accordance with the existing plan routing area, routing area 56 into a plurality. 而无线网络控制器24控制的UTRAN小区和ERS 84控制的E-UTRAN小区覆盖同一地区,因此将UTRAN小区和E-UTRAN小区进行统一规划,形成统一的演进路由区54。 The radio network controller 24 controls the UTRAN cell and ERS 84 Control E-UTRAN cell covering the same area, thus the unified planning cell UTRAN and E-UTRAN cell, uniform evolution routing area 54.

如图8所示,演进路由区由两部分组成:传统的3G网络覆盖下的UTRAN小区组成的路由区RA 56;演进网络覆盖的E-UTRAN小区组成的跟踪区TA1 58和TA2 59。 8, a routing area evolution consists of two parts: UTRAN cell in the conventional 3G network routing region consisting RA 56; evolved network coverage tracking E-UTRAN cell region consisting TA1 58 and TA2 59. 在演进路由区规划方案中,针对每一个演进路由区都定义一个路由区标识。 In the evolution of planning routing area, routing area for each evolution defines a routing area identification. 考虑到演进网络从现有的2G/3G网络中平滑演进的需求,可以采用将演进网络覆盖的E-UTRAN小区并入到传统网络的路由区的方式规划演进路由区。 Embodiment of the evolution of the network from the existing 2G / 3G network evolution requirements smoothly, can be used to cover the evolution of the network E-UTRAN cell is incorporated into a conventional routing area network evolution planning routing area. 即新增的E-UTRAN小区组成的跟踪区TA 58、59的标识直接采用原有的UTRAN小区组成的路由区RA 56的标识。 I.e. identifying new E-UTRAN cell tracking area TA 58,59 composition using a direct identification of the original UTRAN routing area RA 56 of the cell composition.

当用户设备10在演进路由区中漫游时,无论是从传统的3G网络覆盖下的UTRAN小区漫游到演进网络覆盖的E-UTRAN小区,还是从演进网络覆盖的E-UTRAN小区漫游到传统的3G网络覆盖下的UTRAN小区,由于两种网络覆盖的位置区标识相同,用户设备10不会发起位置更新的流程,避免了由于演进网络建网初期E-UTRAN小区覆盖范围较小而导致的系统频繁进行位置更新流程和由此极大增加的空闲模式下的信令流量负荷。 When the user equipment 10 roams evolution routing area, whether it is roaming from a UTRAN cell in the conventional 3G network to an evolved network coverage of E-UTRAN cell, or a roamed from an evolved network coverage of E-UTRAN cell to a conventional 3G UTRAN cell under network coverage, identifying two kinds of network coverage is the same location area, the user device 10 does not initiate a location update process, the system is avoided due to the small initial network construction evolved network E-UTRAN cell coverage caused frequent location updating procedure and signaling traffic load in the idle mode thereby greatly increased.

[实施例二]本发明在演进路由区规划方案的基础上,提出了一种根据策略优选无线接入类型驻留的路由区更新方案。 [Second Embodiment] The present invention, in plan evolution on the routing area, routing area updating scheme proposed one kind resides preferred wireless access type in accordance with policy. 优选技术的实现方法如下:将控制同一演进路由区ERA的服务GPRS支持节点(ServingGPRS Support Node,SGSN)和演进系统SAE MME/UPE规划为一个资源池。 Implementation preferred technique is as follows: the control of the same serving GPRS support node routing area evolution of ERA (ServingGPRS Support Node, SGSN) and an evolved system SAE MME / UPE planning for a resource pool. 在SGSN或MME的配置信息中增加一个3bit的字段,用于保留运营商配置的优选网络信息,字段设置方式为:000表示不优选网络;001表示优选E-UTRAN网络,当用户设备驻扎在此演进路由区ERA时,其上下文由池内的SAE MME保留;010表示优选2G/3G网络,当用户设备驻扎在此演进路由区ERA时,其上下文由池内SGSN保留。 Increasing the SGSN or MME in the configuration information in a 3bit field for retaining the information carrier preferred network configuration, mode field is set to: 000 means no preferred network; represents preferably 001 E-UTRAN network, when the user equipment stationed there when the evolution of the ERA routing area, which is retained by the SAE MME context pool; preferably represents 010 2G / 3G network, when the user equipment camping in the ERA when this evolution routing area, which is retained by the context pool SGSN. 同时,可以对本方案进行灵活扩展,只需要对该字段增加新的定义即可。 At the same time, can be flexible extension of the program, only need to add a new definition of the field can be.

应用此种路由更新的方法,当优选E-UTRAN网络时,由于用户设备的上下文始终保存在演进网络侧,当用户设备处于E-UTRAN网络覆盖下时,可以便捷的获得演进网络的优质服务;而建网的初期则可以优选GSM网络,此时用户设备的上下文始终保存在SGSN中。 Application of this method for routing updates, when the E-UTRAN network is preferred, since the context is always saved in the user equipment evolved network side, when the user equipment is in the E-UTRAN network coverage, can easily obtain services network evolution; the initial network construction is preferably a GSM network can, at this time the user device context in the SGSN are always stored. 由于建网初期,E-UTRAN网络的建网范围有限,用户设备在绝大多数的情况下将处于现有的2G/3G覆盖下,保持用户设备的实际驻留网络和保留用户设备上下文的网络的一致性,有效的减小了用户设备上下文的迁移。 Since the initial stage of the network, network building a limited range of E-UTRAN network, the user equipment in most cases will be in the lower cover existing 2G / 3G, the user holding the device actually resides in the network and a user equipment context retention network consistency, effectively reducing the migration of a user device context.

类似实施例一,可以将原有的2G/3G网络视为第一无线网络,演进网络(E-UTRAN网络)视为第二无线网络。 Analogously to Example a, the original 2G / 3G network may be considered a first wireless network, an evolved network (E-UTRAN network) is regarded as a second wireless network. 那么第一无线网络的核心网中的支持节点为SGSN,第二无线网络的核心网中的支持节点为MME/UPE。 Then the core network of the first wireless network of support nodes SGSN, the core network of the second wireless network support node MME / UPE.

值得注意的是,本实施例的实现可以基于实施例一的实现,但是也可以在第一无线网络和第二无线网络播发的位置区标识不相同的情况下得以实现。 Notably, the location area is achieved according to the present embodiment can be implemented based on an implemented embodiment, it may be broadcast in a first wireless network and the second wireless network is not the same identifier.

图9示出E-UTRAN为优选网络的情况下用户设备路由区更新的完整消息流程。 Full message routing area update procedure in a user equipment of FIG. 9 shows a case where the E-UTRAN for the preferred network. 这是假设E-UTRAN网络被配置为优选网络,并且用户设备从另一E-UTRAN路由区漫游至该演进路由区的情况。 It is assumed that E-UTRAN network is configured as a preferred network, and the user equipment roams from a routing area to another E-UTRAN evolved to where the routing area. 根据实际情况,也可能是2G/3G网络被配置为优选网络。 According to the actual situation, it may be 2G / 3G network is configured as the preferred network. 另外,用户设备漫游前所处的第三无线网络也可能是2G/3G网络。 Further, before the user equipment roams in which the third wireless network may be 2G / 3G network. 该用户设备附着的流程描述如下:1)用户设备10漫游至演进路由区的UTRAN网络覆盖部分,通过比较广播信道下发的路由区标识与其保存的路由区标识,判决发起路由区更新流程。 The user device is attached to a flow is described as follows: 1) 10 roaming to an evolved routing area UTRAN network user equipment cover part, by sending a relatively broadcast channel routing area identifier stored therewith routing area identifier, the decision to initiate an update procedure routing area. 用户设备10发送一个注册请求到SGSN 28,消息包括原来的注册信息(如临时身份等,如果没有临时身份就用永久身份)。 The user equipment 10 transmits a registration request to the SGSN 28, the original message including registration information (e.g., like a temporary identity, if there is no temporary identity to the permanent identity).

2)SGSN 28将接收到的原注册信息发送给原来的MME/UPE82a,以获取用户的信息。 2) SGSN 28 stores the received registration information to the original old MME / UPE82a, to obtain information of the user.

3)原来的MME/UPE 82a发送用户信息(如永久用户身份)给SGSN 28。 3) old MME / UPE 82a transmits the user information (such as the permanent user identity) to the SGSN 28.

4)用户设备10通过SGSN 28进行鉴权。 4) the user device 1028 performs authentication by SGSN.

5)SGSN 28检查其内配置的优选网络信息以及用户设备10的接入能力(是否能够接入演进网络),判决用户设备10应驻留在演进网络侧。 5) SGSN 28 checks access capabilities within the preferred network configuration information and the user device 10 (whether access evolved network), decides that the user equipment 10 should reside in an evolved network. 由于MME/UPE与演进的基站(Evolved NodeB,ENB)间是多对多的连接关系,因此SGSN 28应根据负荷分担原则选择一MME/UPE 82b,并向其发送用户上下文配置请求消息,请求该MME/UPE 82b为用户设备10生成MM上下文。 Since the inter-MME / UPE and an evolved base station (Evolved NodeB, ENB) is connected to many relationship, therefore SGSN 28 should be selected in accordance with a load sharing principle MME / UPE 82b, and transmits user context that configuration request message, requesting the MME / UPE 82b generates an MM context for the user equipment 10. 该消息包括,用户永久标识,用户的位置信息,安全信息等。 The message includes a user permanent identifier, user location information, security information and the like.

6)新MME/UPE 82b将自身注册成用户设备10的服务节点。 6) the new MME / UPE 82b registers itself as a service node 10 of the user equipment.

7)在原MME/UPE 82a中用户设备10的信息将被删除,或者用户设备10被标志为不在本服务区。 7) in the original MME / UPE 82a in the user device information 10 is deleted, or the flag to the user equipment 10 is not present service area.

8)HSS 60确认MME/UPE 82b注册成功,用户签约信息转移给MME/UPE 82b,计费策略信息也随之转移到MME/UPE 82b。 8) HSS 60 confirmed MME / UPE 82b successful registration, the user subscription information transferred to the MME / UPE 82b, charging policy information also will be transferred to the MME / UPE 82b.

9)新的MME/UPE 82b接受用户设备10的网络附着,并且分配一个临时身份给用户设备10,并向SGSN 28确认用户上下文配置完成。 9) the new MME / UPE 82b accepts a user device 10 attached to the network, and allocates a temporary identity to the user equipment 10, and SGSN 28 confirming the user context configuration.

10)SGSN 28收到用户上下文配置响应消息后,向用户设备10确认注册完成。 After 10) SGSN 28 receives user context configuration response message, registration completion confirmation to the user equipment 10.

11)Inter AS Anchor 76配置IP层。 11) Inter AS Anchor 76 configure the IP layer. 用户平面在UPE-Inter ASAnchor之间建立起来,并且使用缺省的计费和策略。 The user plane is established between UPE-Inter ASAnchor, and the default policy and charging.

通过本发明的上述实施例,克服了现有的不同无线接入类型间的空闲模式下的移动性管理方案的如下缺点:在空闲模式下,用户设备从2G/3G移动到SAE/LTE接入系统时,将发生位置更新的一系列过程,包括MME/UPE之间用户设备上下文的转移,MME向HSS注册,UPE向Inter AS Anchor做路由更新等,因此将导致一系列的空闲模式下的位置管理信令流量。 By the above-described embodiments of the present invention overcome the disadvantage mobility management scheme in a conventional idle mode between different wireless access types: in idle mode, the user equipment 2G / 3G mobile from the SAE / LTE Access system, the location update procedure a series will occur, including a user device context transfer between MME / UPE, MME registered with the HSS, UPE updates to routing the Inter AS Anchor and the like, thus leading to a series of positions in the idle mode signaling traffic management. 而由于演进网络建网初期E-UTRAN小区覆盖范围较小,随着用户设备的漫游,其在E-UTRAN和UTRAN、GERAN之间频繁移动,从而导致系统频繁进行位置更新的流程,极大地增加了空闲模式下的信令流量负荷。 Since the early evolution of networks and network construction E-UTRAN cell covering a small area, with the roaming user equipment, which move frequently between E-UTRAN and UTRAN, GERAN, causing the system to perform frequent location update process, greatly increased the signaling traffic load in idle mode. 本发明提出的新的不同无线接入类型间位置区的规划方案,有效的解决了用户设备在E-UTRAN和UTRAN、GERAN之间频繁移动导致的系统频繁进行位置更新的问题。 The new plan among the different types of radio access location areas proposed by the present invention, an effective solution to the system user equipment between E-UTRAN and UTRAN, GERAN frequent movement problem caused by frequent updates. 此外,保持用户设备的实际驻留网络和保留用户设备上下文的网络的一致性,有效的减小了用户设备上下文的迁移。 Further, the user holding the device actually resides network and user equipment context retention consistency network, effectively reducing the migration of a user device context.

以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。 The above are only preferred embodiments of the present invention, it is not intended to limit the invention to those skilled in the art, the present invention may have various changes and variations. 凡在本发明的精神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。 Any modification within the spirit and principle of the present invention, made, equivalent substitutions, improvements, etc., should be included within the scope of the present invention.

Claims (21)

  1. 1.一种无线通信系统,包括第一无线网络和第二无线网络,其特征在于,所述第一无线网络和第二无线网络播发的位置区标识相同。 1. A radio communication system comprising a first wireless network and a second wireless network, wherein the same as the first wireless network and second wireless network broadcast the location area identifier.
  2. 2.根据权利要求1所述的无线通信系统,其特征在于,所述第二无线网络是所述第一无线网络的演进网络。 2. The wireless communication system according to claim 1, wherein the second wireless network is an evolved network to the first wireless network.
  3. 3.根据权利要求1所述的无线通信系统,其特征在于,所述第一无线网络与所述第二无线网络的覆盖范围至少部分重叠。 3. The wireless communication system according to claim 1, characterized in that the coverage of the first wireless network and the second wireless network at least partially overlap.
  4. 4.根据权利要求3所述的无线通信系统,其特征在于,所述位置区标识为路由区标识或跟踪区标识。 4. The wireless communication system according to claim 3, wherein the location area identity of the routing area identifier or tracking area identifier.
  5. 5.根据权利要求1至4中任一项所述的无线通信系统,其特征在于,在所述第一无线网络的核心网中的支持节点和所述第二无线网络的核心网中的支持节点中的至少一个支持节点的配置信息中包括用于表示优选网络的信息。 The wireless communication system according to any 4-1 claim, characterized in that the supports support the core network node in the core network of the first wireless network and the second wireless network in at least one support node node configuration information includes information indicating a preferred network.
  6. 6.根据权利要求5所述的无线通信系统,其特征在于,所述用于表示优选网络的信息选自包括以下内容的组:不优选网络、优选第一无线网络、以及优选第二无线网络。 The wireless communication system according to claim 5, characterized in that, for indicating the network information is preferably selected from the group comprising the following: no preferred network, preferably a first wireless network, and preferably a second wireless network .
  7. 7.根据权利要求6所述的无线通信系统,其特征在于,所述系统还包括至少一个移动终端,当所述用于表示优选网络的信息为优选第一无线网络时,所述移动终端的上下文保留在所述第一无线网络的核心网中,当所述用于表示优选网络的信息为优选第二无线网络时,所述移动终端的上下文保留在所述第二无线网络的核心网中。 The wireless communication system according to claim 6, characterized in that the system further comprises at least one mobile terminal, when the information indicating the preferred network is preferably a first wireless network, the mobile terminal context retained in the core network of the first wireless network, when the context information is preferably used to indicate when the network is preferably a second wireless network, the mobile terminal remains in the core network of the second wireless network .
  8. 8.一种用于多网络间的移动性管理方法,其特征在于,包括以下步骤:为多网络覆盖区域设置相同的位置区标识;当移动终端在所述多网络间漫游时,所述移动终端获取所述位置区标识,而不发起位置更新流程。 A mobility management method among multiple networks, characterized in that it comprises the steps of: setting the coverage area of ​​the same location area identifier is a multi-network; when the mobile terminal roaming between the multiple networks, the mobile the terminal obtains the location area identifier instead initiates a location update procedure.
  9. 9.根据权利要求8所述的移动性管理方法,其特征在于,所述多网络包括第一无线网络和第二无线网络,所述第二无线网络为所述第一无线网络的演进网络。 9. Mobility management method according to claim 8, wherein said multi-network comprises a first wireless network and a second wireless network, the second wireless network is an evolved network to the first wireless network.
  10. 10.根据权利要求9所述的移动性管理方法,其特征在于,所述第一无线网络与所述第二无线网络的覆盖区域至少部分重叠。 10. The mobility management method according to claim 9, wherein a coverage area of ​​the first wireless network and the second wireless network at least partially overlap.
  11. 11.根据权利要求10所述的移动性管理方法,其特征在于,所述第一无线网络的位置区标识为该网络覆盖区域的路由区标识,所述第二无线网络的位置区标识被直接设置为所述第一无线网络的路由区标识。 11. Mobility management method according to claim 10, wherein the location area identity of the first wireless network coverage area for the routing area network identifier, the location area identification of the second wireless network is directly to set routing area identifier of the first wireless network.
  12. 12.根据权利要求9至11中任一项所述的移动性管理方法,其特征在于,所述方法还包括在所述多网络的核心网的支持节点中的至少一个支持节点的配置信息中设置用于表示优选网络的信息。 12. Mobility management method of one of claims 9 to 11 according to any of the preceding claims, characterized in that the method further comprises at least one support node configuration information of the core network support node in said plurality of network setting information for indicating a preferred network.
  13. 13.根据权利要求12所述的移动性管理方法,其特征在于,所述方法还包括,根据所述用于表示优选网络的信息,将移动终端的上下文保留在第一无线网络或第二无线网络中。 13. Mobility management method according to claim 12, wherein said method further comprises, according to the network information is preferably used to indicate the context of the mobile terminal remains in the first wireless network or the second wireless network.
  14. 14.一种用于多网络间的移动性管理方法,其特征在于,在第一无线网络的核心网中的支持节点和第二无线网络的核心网中的支持节点中的至少一个支持节点的配置信息中设置用于表示优选网络的信息。 14. A mobility management method among multiple networks, characterized in that at least one support node of the core network node in the core network to support a first wireless network and a second radio network node supporting configuration information setting information indicating a preferred network.
  15. 15.根据权利要求14所述的移动性管理方法,其特征在于,所述用于表示优选网络的信息选自包括以下内容的组:不优选网络;优选第一无线网络,所述移动终端的上下文保留在第一无线网络的核心网中;以及优选第二无线网络,所述移动终端的上下文保留在第二无线网络的核心网中。 15. Mobility management method according to claim 14, characterized in that, for indicating the network information is preferably selected from the group comprising the following: no preferred network; preferably a first wireless network, the mobile terminal context retained in the core network of the first wireless network; and preferably a second wireless network, the mobile terminal remains in the core network context of the second wireless network.
  16. 16.根据权利要求15所述的移动性管理方法,其特征在于,所述设置用于表示优选网络的信息的步骤是通过在所述支持节点中的配置信息中增加一个字段,该字段为3比特,其值对应于移动终端的上下文的优选保存的网络位置。 16. Mobility management method according to claim 15, wherein said step of setting information for indicating a preferred network configuration information is obtained by the support node to add a field that is 3 bits, which corresponds to the value stored in the mobile terminal context preferred network location.
  17. 17.根据权利要求15所述的移动性管理方法,其特征在于,如果所述第二无线网络为优选网络,则当移动终端从第三无线网络漫游至所述第一无线网络时,通过比较由广播信道下发的位置区标识与其保存的位置区标识,判决发起位置区更新流程,包括以下信令流程:1)所述移动终端发送包括原注册信息的注册请求到所述第一无线网络的核心网中的第一支持节点;2)所述第一支持节点将接收到的所述原注册信息发送给所述第三无线网络的核心网中的原支持节点,以获取用户信息;3)所述原支持节点发送用户信息给所述第一支持节点;4)所述移动终端通过第一支持节点进行鉴权;5)所述第一支持节点检查其内配置的所述优选网络信息以及所述移动终端的接入能力,判决所述移动终端应驻留在所述第二无线网络侧,所述第一支持节点选择所述第二无线网络的核 17. Mobility management method according to claim 15, wherein, if the second wireless network is a preferred network, when the mobile terminal roams from the third wireless network to the first radio network, by comparing the issued by the broadcast channel at the location area identifier stored in its location area identifier, location area update procedure initiation decision, the signaling process comprising: 1) the mobile terminal transmits a registration request including the original registration information to said first wireless network a first support node of the core network; 2) the support node of the first original received registration information is transmitted to a core network node of the original support of the third wireless network in order to obtain user information; 3 ) support node send the original user information to the first support node; 4) the mobile terminal performs authentication by a first support node; 5) support node of the first network preferably checks the information within the configuration and an access capability of the mobile terminal, the mobile terminal judgment should reside in the second wireless network side, the first support node selects the second wireless network core 网中的一个新支持节点,并向其发送用户上下文配置请求消息,请求该新支持节点为所述移动终端生成移动性管理上下文;6)所述新支持节点将自身注册成所述移动终端的服务节点;7)在所述原支持节点中所述移动终端上下文将被删除,或者所述移动终端被标志为不在其服务区;8)归属用户服务器确认所述新支持节点注册成功,用户签约信息转移给所述新支持节点,计费策略信息也随之转移到所述新支持节点;9)所述新支持节点接受所述移动终端的网络附着,并且分配一个临时身份给所述移动终端,并向所述第一支持节点确认用户上下文配置完成;以及10)所述第一支持节点收到用户上下文配置响应消息后,向所述移动终端确认注册完成。 A new support node network, and send the user a context configuration request message requesting that the new support node to the mobile terminal generates a mobility management context; 6) to the new support node to register the mobile terminal itself serving node; 7) in the mobile terminal of the original support node context is deleted, or the flag of the mobile terminal is not in its service area; 8) the HSS confirms that the new support node successful registration, the user signing transferring information to the new support node, charging policy information can be transferred to the new support node; 9) to accept the new support node the mobile terminal attached to the network, and allocates a temporary identity to the mobile terminal , to confirm that the user of the first support node context configuration; and 10) of the first support node receives the user context configuration response message, registration acknowledgment to the mobile terminal is completed.
  18. 18根据权利要求17所述的移动性管理方法,其特征在于,所述信令流程5)中所述的所述第一支持节点选择所述第二无线网络的核心网中的一个新支持节点的步骤,是在支持所述移动终端所在的路由区的支持节点中进行选择。 18 The mobile management method according to claim 17, wherein said signaling a new support node of the core network Scheme 5) in the first support node selects the second wireless network in step, is selected in the routing area supporting mobile terminal is located in the support node.
  19. 19.根据权利要求14至17中任一项所述的移动性管理方法,其特征在于,所述第二无线网络为所述第一无线网络的演进网络。 19. The mobility management method as claimed in claim 14 to 17 preceding claim, wherein the second wireless network is an evolved network to the first wireless network.
  20. 20.根据权利要求19所述的移动性管理方法,其特征在于,所述第一无线网络与所述第二无线网络的覆盖范围至少部分重叠。 20. Mobility management method according to claim 19, wherein the coverage of the first wireless network and the second wireless network at least partially overlap.
  21. 21.根据权利要求19所述的移动性管理方法,其特征在于,所述第三无线网络的类型与所述第一无线网络和所述第二无线网络中的一种的类型相同。 21. Mobility management method according to claim 19, wherein the same one type of the third wireless network and the first wireless network and the second wireless network type.
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