WO2013086972A1 - 一种触发lte单卡双待多模终端进行联合注册的方法及终端 - Google Patents

一种触发lte单卡双待多模终端进行联合注册的方法及终端 Download PDF

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Publication number
WO2013086972A1
WO2013086972A1 PCT/CN2012/086389 CN2012086389W WO2013086972A1 WO 2013086972 A1 WO2013086972 A1 WO 2013086972A1 CN 2012086389 W CN2012086389 W CN 2012086389W WO 2013086972 A1 WO2013086972 A1 WO 2013086972A1
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Prior art keywords
network
terminal
lte
request message
attach request
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PCT/CN2012/086389
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English (en)
French (fr)
Inventor
张晓鹏
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华为终端有限公司
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Publication of WO2013086972A1 publication Critical patent/WO2013086972A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/005—Multiple registrations, e.g. multihoming
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
    • H04W52/02—Power saving arrangements
    • H04W52/0209—Power saving arrangements in terminal devices
    • H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
    • H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W60/00—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration
    • H04W60/04—Affiliation to network, e.g. registration; Terminating affiliation with the network, e.g. de-registration using triggered events
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W8/00—Network data management
    • H04W8/02—Processing of mobility data, e.g. registration information at HLR [Home Location Register] or VLR [Visitor Location Register]; Transfer of mobility data, e.g. between HLR, VLR or external networks
    • H04W8/04—Registration at HLR or HSS [Home Subscriber Server]
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W88/00—Devices specially adapted for wireless communication networks, e.g. terminals, base stations or access point devices
    • H04W88/02—Terminal devices
    • H04W88/06—Terminal devices adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W92/00—Interfaces specially adapted for wireless communication networks
    • H04W92/02—Inter-networking arrangements
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
    • Y02D30/00—Reducing energy consumption in communication networks
    • Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks

Definitions

  • the present invention relates to the field of communications technologies, and in particular, to a method and a terminal for triggering joint registration of an LTE single-card dual-standby multi-mode terminal.
  • a single card dual standby multimode terminal refers to a terminal that resides in two communication subsystems at the same time, and the two communication subsystems are respectively an LTE communication subsystem and 2G. /3G communication subsystem.
  • the CS domain (Circuit Switch) of the terminal resides in the 2G/3G network for voice services; the PS Switch (Packet Switch) resides in the LTE network for data services.
  • LTE single-card dual-standby multi-mode terminal Because it resides in two communication systems at the same time, it can guarantee the quality of voice service and data service at the same time, especially the voice service quality and the voice of 2G/3G terminal.
  • the service quality is consistent, which effectively avoids the problem of unstable call quality when using voice services in LTE single-card single-standby multimode terminals.
  • the registration process of the LTE single-card dual-standby multi-mode terminal is: the terminal performs CS domain registration on the 2G/3G network, and performs PS domain registration on the LTE network, and the two registration processes are independent of each other.
  • the problem in the registration process is as follows: The network registration process is required twice, and the number of network signaling interactions is increased, which causes waste of air interface resources, and also increases the power consumption of the terminal, which is not conducive to the maintenance of the terminal standby time.
  • CSFB CS Fallback
  • the single-card single-standby multi-mode terminal adopts a joint registration method when performing network registration, that is, the wireless signaling of the LTE network simultaneously registers in the CS domain of the LTE network and the 2G/3G network.
  • a problem in the joint registration of the single-card single-standby multi-mode terminal is that the registered 2G/3G network is determined by the LTE network, and the network determined by the LTE is not necessarily the optimal network, which is not conducive to user experience.
  • Summary of the invention Embodiments of the present invention provide a method for triggering joint registration of an LTE single-card dual-standby multi-mode terminal and an LTE single-card dual-standby multi-mode terminal.
  • the method for triggering the joint registration of the LTE single-card dual-standby multi-mode terminal is:
  • the terminal determines the location area number identifier of the 2G/3G network to be registered; the terminal sends an attach request message to the mobility management entity of the LTE network, where the attach request message includes the location area number identifier to trigger the terminal and the
  • the mobility management entity of the LTE network jointly performs joint registration of the LTE network and the 2G/3G network.
  • the LTE single card dual standby multimode terminal includes:
  • a registration network determining unit configured to determine a location area number identifier of the registered 2G/3G network
  • the attach request message sending unit is configured to send an attach request message to the mobility management entity of the LTE network, where the attach request message includes the location area code identifier.
  • the joint registration of the 2G/3G network and the LTE network can be realized through a network registration process, which saves the number of network signaling interactions, saves power consumption of the terminal, and facilitates the terminal to extend the standby time. And increase the user experience.
  • the 2G/3G network registered in the joint registration is determined by the terminal side, which increases user autonomy and further increases the user experience.
  • Figure 1 is a flow chart of Embodiment 1 of the present invention.
  • Figure 2 is a flow chart of Embodiment 2 of the present invention.
  • Figure 3 is a structural view of Embodiment 3 of the present invention.
  • FIG. 4 is a block diagram showing another structure of Embodiment 3 of the present invention.
  • Example 1 Embodiment 1 of the present invention provides a method for triggering LTE single-card dual-standby multi-mode terminal to perform joint registration of a 2G/3G network and an LTE network.
  • 1 is a flowchart of Embodiment 1 of the present invention. The method of Embodiment 1 of the present invention will be described in detail below with reference to FIG. 1.
  • Step 101 After the terminal device is powered on, the 2G/3G and LTE RF systems are started, and the network is searched.
  • the terminal determines a 2G/3G network to be registered and its location by comparing the available network list determined in the network search result of the 2G/3G network and the public land mobile network (PLMN) network selection information in the SM card.
  • PLMN public land mobile network
  • Step 102 The terminal sends an attach request message to the mobile management entity (MME) of the LTE network, where the attach request message includes the LAI of the 2G/3G network determined in step 1 to trigger the terminal and
  • MME mobile management entity
  • the attach request message includes the LAI of the 2G/3G network determined in step 1 to trigger the terminal and
  • the mobility management entity jointly performs joint registration of the LTE network and the 2G/3G network.
  • the attach request message may further include an access type, where the access type is specified to perform joint registration.
  • the joint registration can be performed by default according to the protocol.
  • the method for triggering the LTE single-card dual-standby multi-mode terminal to jointly register the 2G/3G network and the LTE network may further include:
  • determining whether to perform the joint network according to the remaining battery power of the terminal is specifically:
  • the terminal sends the attach request message to the MME if the remaining battery power is greater than the power threshold.
  • the joint registration of the LTE network and the 2G/3G network according to the LTE single-card dual-standby multi-mode terminal can be implemented to reduce the LTE single-card dual-standby multi-mode terminal in the 2G/3G network and the LTE network respectively. Air interface signaling consumption caused by registration.
  • the registration standby network of the LTE single-card dual-standby multi-mode terminal can be determined according to the remaining battery power, and the problem of adopting a unified registration policy without considering the battery power in the prior art is solved. To reduce the power consumption of the terminal and extend the standby time of the terminal.
  • Embodiment 2 of the present invention provides a method for jointly registering a 2G/3G network and an LTE network of an LTE single-card dual-standby multi-mode terminal according to the triggering method provided in Embodiment 1.
  • 2 is a flowchart of Embodiment 2 of the present invention. The method of Embodiment 2 of the present invention will be described in detail below with reference to FIG.
  • the terminal device After the terminal device sends an attach request message including the LAI to the mobility management entity of the LTE network, the terminal device cooperates with the visitor location register (VLR) of the ⁇ E and 2G/3G networks according to the The attach request message performs joint registration of the LTE network and the 2G/3G network.
  • the joint registration specifically includes: Step 201: The terminal and the MME perform a process of authentication, authentication, encryption, location registration, user data download, session establishment, and the like of the LTE network according to the attach request message. The process is implemented in accordance with the 3GPP protocol specification and will not be described again.
  • Step 202 The MME acquires a value of a visitor location register (VLR) corresponding to the LAI value according to the LAI-VLR comparison table according to the LAI value included in the attach request message.
  • VLR visitor location register
  • Step 203 The MME sends a location update request to the VLR, where the location update request includes the LAI of the determined 2G/3G network, the International Mobile Subscriber Identity (IMSI) of the user, and the ⁇ E. The name.
  • IMSI International Mobile Subscriber Identity
  • Step 204 The VLR creates an association relationship between the VLR and the MME according to the location update request, where the association relationship between the VLR and the MME is specifically: the VLR stores the name of the MME, and associates it with the MSI data.
  • Step 205 The VLR performs a CS domain registration process of the 2G/3G network of the terminal according to the association relationship, where the registration process specifically includes user location update and download user data, and the implementation process of the user location update and download user data is The same technology, no longer repeat.
  • Step 206 The VLR allocates a Temporate Mobile Station Identity (TMSI) to the terminal according to the downloaded user data.
  • TMSI Temporate Mobile Station Identity
  • Step 207 The VLR sends a location update request accept message to the MME, where the location update request accept message includes the allocated TMSI code.
  • Step 208 The MME, the terminal, and the base station eNodeB of the LTE network complete the PS domain access of the LTE network, and the access process is implemented according to the 3GPP protocol specification, and details are not described herein.
  • Step 209 The MME sends an attach request accept message to the terminal, where the attach request accept message includes a TMSI code allocated by the VLR for the terminal, and the terminal confirms that the CS domain registration is successful according to the TMSI code.
  • the joint registration of the LTE network and the 2G/3G network can be implemented according to the LAI value determined by the terminal, so as to reduce the registration of the LTE single-card dual-standby multi-mode terminal in the 2G/3G network and the LTE network respectively.
  • Air interface signaling consumes and facilitates network roaming and user selection.
  • Embodiment 3 is a structural diagram of Embodiment 3 of the present invention.
  • Embodiment 3 of the present invention provides an LTE single card dual standby multimode terminal that can perform joint registration, including:
  • the registration network determining unit 301 is configured to determine, by comparing the available network list determined in the network search result of the 2G/3G network and the public land mobile network (PLMN) network selection information in the SM card.
  • PLMN public land mobile network
  • LAI Location Area Identify
  • the registration network determining unit 301 specifically includes:
  • the network search result receiving unit 3011 is configured to receive a network search result of the 2G/3G radio frequency system of the terminal;
  • the public land mobile network selection network information reading unit 3012 is configured to read the public land mobile network selection network information in the SM card inserted into the terminal by the user.
  • the comparison determining unit 3013 is configured to compare the network search result received by the network search result receiving unit with the public land mobile network network selection information read by the public land mobile network network selection information reading unit, and determine to register The location area code of the 2G/3G network.
  • the attach request message sending unit 302 is configured to send an attach request message to the MME, where the attach request message includes the determined LAI value.
  • the attach request message may further include an access type, where the access type is specified to perform joint registration.
  • the LTE single-card dual-standby multi-mode terminal may further include: a remaining power detecting unit 303, configured to detect a current battery remaining power of the terminal.
  • the power comparison unit 304 is configured to compare the size of the remaining power and the power threshold. And if the remaining power is greater than the power threshold, sending an execution instruction to the attach request message sending unit, triggering the attach request message sending unit to send an attach request message to a mobility management entity of the LTE network.
  • the program may be stored in a computer readable storage medium, which may be a read only memory, a flash memory, a magnetic disk, a compact disk, or a hard disk.
  • a computer readable storage medium which may be a read only memory, a flash memory, a magnetic disk, a compact disk, or a hard disk.
  • the terminal determines the location area number identifier of the 2G/3G network to be registered
  • the terminal sends an attach request message to the mobility management entity of the LTE network, where the attach request message includes the location area number identifier, to trigger the terminal and the mobility management entity of the LTE network to jointly perform LTE network and 2G/3G Joint registration of the network.

Abstract

本发明实施例涉及一种一种触发LTE单卡双待多模终端进行联合注册的方法及终端，以解决现有技术中分别进行LTE网络和2G/3G网络注册，网络信令交互次数增加，空口资源的浪费，终端耗电量的增加的技术问题，实现LTE网络和2G/3G网络的联合注册，减少空口信令消耗，降低终端功耗，延长终端的待机时间。所述联合注册方法包括：终端确定待注册的2G/3G网络的位置区号标识；所述终端向LTE网络的移动管理实体发送附着请求消息，所述附着请求消息中包含所述位置区号标识，以触发所述终端和所述LTE网络的移动管理实体共同进行LTE网络和2G/3G网络的联合注册。

Description

一种触发 LTE单卡双待多模终端进行联合注册的方法及终端 本申请要求于 2011年 12月 13日提交中国专利局、 申请号为 CN201110415114. 9、 发明名称为 "一种触发 LTE单卡双待多模终端进行联合注册的方法及终端"的中国专利 申请的优先权， 其全部内容通过引用结合在本申请中。 技术领域 本发明实施例涉及通信技术领域， 特别是一种触发 LTE单卡双待多模终端进行联合 注册的方法及终端。 背景技术 LTE ( Long Term Evolution, 3GPP长期演进网络） 单卡双待多模终端是指同时在两 个通信子系统中驻留的终端，所述两个通信子系统分别为 LTE通信子系统和 2G/3G通信子 系统。 所述终端的 CS域 （Circuit Switch, 电路交换） 驻留在 2G/3G网络中， 用于语音 业务； PS域 （Packet Switch, 包交换） 驻留在 LTE网络中， 用于数据业务。 LTE单卡双 待多模终端最大的优势在于： 由于其同时在两个通信系统里面驻留， 可以同时保证其语 音业务质量及数据业务质量，特别是其语音业务质量与 2G/3G终端的语音业务质量一致， 有效的避免了 LTE单卡单待多模终端中使用语音业务时通话质量不稳定的问题。 现在已 经有一些运营商， 如中国移动， 在部署 LTE网络时考虑采用这种终端方案了。
现有技术中， LTE单卡双待多模终端的注册过程为： 所述终端在 2G/3G网络进行 CS域 注册， 在 LTE网络进行 PS域注册， 这两个注册过程是相互独立的。 所述注册过程中存在 的问题是： 需要两次网络注册过程， 网络信令交互次数增加， 造成空口资源的浪费， 也 造成终端耗电量的增加， 不利于终端待机时间的维持。
另外， 现有技术中还存在单卡单待多模终端的联合注册方法， 即 3GPP协议 （TS 23. 272 ) 中提供的 CS回退 （CS Fal lback, CSFB) 方案来实现 LTE网络的语音功能， 单卡 单待多模终端为了支持 CSFB, 在进行网络注册时采用的是联合注册方法， 即通过 LTE网 络的无线信令同时在 LTE网络和 2G/3G网络的 CS域进行注册。所述单卡单待多模终端的联 合注册中存在的问题是， 注册的 2G/3G网络由 LTE网络确定， LTE确定的网络不一定是最 优网络， 不利于用户体验。 发明内容 本发明的实施例提供一种触发 LTE单卡双待多模终端进行联合注册的方法及 LTE单 卡双待多模终端。
所述触发 LTE单卡双待多模终端进行联合注册的方法为：
终端确定待注册的 2G/3G网络的位置区号标识； 所述终端向 LTE网络的移动管理实体 发送附着请求消息， 所述附着请求消息中包含所述位置区号标识， 以触发所述终端和所 述 LTE网络的移动管理实体共同进行 LTE网络和 2G/3G网络的联合注册。
所述 LTE单卡双待多模终端包括：
注册网络确定单元， 用于确定注册的 2G/3G网络的位置区号标识；
附着请求消息发送单元， 用于向 LTE网络的移动管理实体发送附着请求消息， 所述 附着请求消息中包含所述位置区号标识。
通过上述本发明实施例提供的技术方案， 可以通过一次网络注册过程即可实现 2G/3G网络和 LTE网络的联合注册， 节省网络信令交互次数， 节省终端耗电量， 有利于终 端延长待机时间并增加用户体验。 同时， 所述联合注册中注册的 2G/3G网络由终端侧决 定， 增加用户自主权， 并进一步增加用户体验。 附图说明 为了更清楚地说明本发明实施例的技术方案， 下面将对实施例描述中所需要使用的 附图作简单地介绍， 显而易见地， 下面描述中的附图仅仅是本发明的一些实施例， 对于 本领域普通技术人员来讲， 在不付出创造性劳动的前提下， 还可以根据这些附图获得其 他的附图。
图 1 本发明实施例 1的流程图；
图 2 本发明实施例 2的流程图；
图 3 本发明实施例 3的一种结构图。
图 4 本发明实施例 3的另一种结构图。 具体实施方式 为使本发明的目的、 技术方案和优点更加清楚， 下面结合附图对本发明具体实施例 做进一步的详细描述。 实施例 1 本发明实施例 1提供了一种触发 LTE单卡双待多模终端进行 2G/3G网络和 LTE网络联 合注册的方法。 图 1为本发明实施例 1的流程图， 下面将结合图 1对本发明实施例 1的方法 进行详细说明。
步骤 101 : 终端设备开机后， 2G/3G和 LTE射频系统启动， 开始搜索网络。 终端通过 比对 2G/3G网络的搜网结果中确定的可用网络列表和 SM卡中的公共陆地移动网络 (Public Land Mobile Network, PLMN) 选网信息确定一个准备注册的 2G/3G网络及其 位置区号标识 (Location Area Identify, LAI ) 。
步骤 102: 终端向 LTE网络的移动管理实体 （Mobile Management Entity, MME) 发 送附着请求消息， 所述附着请求消息中包含所述步骤 1中确定的 2G/3G网络的 LAI， 以触 发所述终端和所述移动管理实体共同进行 LTE网络和 2G/3G网络的联合注册。 可选的， 所 述附着请求消息中还可以包含接入类型， 所述接入类型中指定进行联合注册。 当附着请 求消息中没有携带接入类型时， 可以根据协议默认为进行联合注册。
可选的， 所述触发 LTE单卡双待多模终端进行 2G/3G网络和 LTE网络联合注册的方法 还可以包括：
在终端向 MME发送附着请求消息之前， 根据终端电池剩余电量确定是否进行联合网 络， 具体为：
检测终端电池的剩余电量；
如果电池剩余电量大于所述电量阈值， 所述终端向 MME发送所述附着请求消息。 通过本发明实施例 1，可以实现根据触发 LTE单卡双待多模终端进行 LTE网络和 2G/3G 网络的联合注册， 以减少 LTE单卡双待多模终端在 2G/3G网络和 LTE网络分别注册带来的 空口信令消耗。 同时， 通过本发明实施例 1中的可选方案， 可以实现根据电池剩余电量 确定 LTE单卡双待多模终端的注册待机网络， 解决现有技术中不考虑电池电量采用统一 的注册策略的问题， 以降低终端功耗， 延长终端的待机时间。 实施例 2
本发明实施例 2提供了一种根据实施例 1提供的触发方法进行 LTE单卡双待多模终端 的 2G/3G网络和 LTE网络联合注册的方法。 图 2为本发明实施例 2的流程图， 下面将结合图 2对本发明实施例 2的方法进行详细说明。
在终端设备向 LTE网络的移动管理实体发送包含 LAI的附着请求消息后， 终端设备与 所述匪 E和 2G/3G网络的访问位置寄存器 （Visitor Location Register, VLR) 共同根据 所述附着请求消息进行 LTE网络和 2G/3G网络的联合注册。 所述联合注册具体包括： 步骤 201 : 终端和 MME根据所述附着请求消息进行 LTE网络的认证、 鉴权、 加密、 位 置登记、用户数据下载、会话建立等过程。所述过程遵照 3GPP协议规范实现， 不再赘述。
步骤 202: MME根据所述附着请求消息中包含的 LAI值， 根据 LAI-VLR对照表获取与所 述 LAI值对应的访问位置寄存器 （VLR) 的值。
步骤 203: MME根据向所述 VLR发送位置更新请求， 所述位置更新请求中包含所述确 定的 2G/3G网络的 LAI、用户的国际移动用户识别码（ International Mobile Subscriber Identity, IMSI ) 和匪 E的名称。
步骤 204: 所述 VLR根据所述位置更新请求创建 VLR与 MME的关联关系， 所述创建 VLR 与 MME的关联关系具体为： VLR存储 MME的名称， 并将其与所述 MSI数据对应起来。
步骤 205: VLR根据所述关联关系执行终端的 2G/3G网络的 CS域注册过程， 所述注册 过程具体包括用户位置更新和下载用户数据，所述用户位置更新和下载用户数据的实现 过程与现有技术相同， 不再赘述。
步骤 206 : VLR根据所述下载的用户数据为终端分配一个临时移动台识别码 (Temperate Mobile Station Identity, TMSI ) 。
步骤 207: VLR向 MME发送位置更新请求接受消息， 所述位置更新请求接受消息中包 含所述分配的 TMSI码。
步骤 208: MME、 终端和 LTE网络的基站 eNodeB完成 LTE网络的 PS域接入， 所述接入过 程遵照 3GPP协议规范实现， 不再赘述。
步骤 209: MME向终端发送附着请求接受消息，所述附着请求接受消息中包含所述 VLR 为终端分配的 TMSI码， 终端根据所述 TMSI码确认 CS域注册成功。
通过本发明实施例 2，可以实现根据终端确定的 LAI值进行 LTE网络和 2G/3G网络的联 合注册， 以减少 LTE单卡双待多模终端在 2G/3G网络和 LTE网络分别注册带来的空口信令 消耗， 并有利于网络漫游和用户选择权。 实施例 3
图 3为本发明实施例 3的结构图，本发明实施例 3提供了一种可进行联合注册的 LTE单 卡双待多模终端， 包括：
注册网络确定单元 301，用于通过比对 2G/3G网络的搜网结果中确定的可用网络列表 和 SM卡中的公共陆地移动网络 （Public Land Mobile Network, PLMN) 选网信息确定 一个准备注册的 2G/3G网络及其位置区号标识 （Location Area Identify, LAI ) 。 如图 4所示， 所述注册网络确定单元 301具体包括：
搜网结果接收单元 3011， 用于接收终端的 2G/3G射频系统的搜网结果；
公共陆地移动网络选网信息读取单元 3012， 用于读取用户插入终端的 SM卡中的公 共陆地移动网络选网信息。
比对确定单元 3013，用于比对所述搜网结果接收单元接收到的搜网结果和所述公共 陆地移动网络选网信息读取单元读取的公共陆地移动网络选网信息， 确定要注册的 2G/3G网络的位置区号标识。
附着请求消息发送单元 302， 用于向 MME发送附着请求消息， 所述附着请求消息中包 含所述确定的 LAI值。 可选的， 所述附着请求消息中还可以包含接入类型， 所述接入类 型中指定进行联合注册。 可选的， 如图 4所示， 所述 LTE单卡双待多模终端还可以包括： 剩余电量检测单元 303， 用于检测终端当前的电池剩余电量。
电量比较单元 304， 用于比较所述剩余电量与电量阈值的大小。 如果所述剩余电量 大于所述电量阈值， 则向所述附着请求消息发送单元发送执行指令， 触发所述附着请求 消息发送单元向 LTE网络的移动管理实体发送附着请求消息。 以上实施例仅用以说明本发明的技术方案， 而非对其限制； 尽管参照前述实施例对 本发明进行了详细的说明， 本领域的普通技术人员应当理解： 其依然可以对前述各实施 例所记载的技术方案进行修改， 或者对其中部分技术特征进行等同替换； 而这些修改或 者替换， 并不使相应技术方案的本质脱离本发明各实施例技术方案的精神和范围。
需要说明的是， 本领域普通技术人员可以理解实现上述方法实施例中的全部或部 分步骤可以通过硬件来完成， 也可以通过程序来指令相关的硬件完成。 所述的程序可以 存储于一种计算机可读存储介质中， 所述存储介质可以是只读存储器、 闪存、 磁盘、 光 盘或硬盘等。 所述程序在执行时， 包括如下步骤：
终端确定待注册的 2G/3G网络的位置区号标识；
所述终端向 LTE网络的移动管理实体发送附着请求消息， 所述附着请求消息中包含 所述位置区号标识， 以触发所述终端和所述 LTE网络的移动管理实体共同进行 LTE网络和 2G/3G网络的联合注册。

Claims

权利要求
1、 一种触发 LTE单卡双待多模终端进行联合注册的方法， 其特征在于， 包括： 终端确定待注册的 2G/3G网络的位置区号标识；
所述终端向 LTE网络的移动管理实体发送附着请求消息， 所述附着请求消息中包含 所述位置区号标识， 以触发所述终端和所述移动管理实体共同进行 LTE网络和 2G/3G网络 的联合注册。
2、 如权利要求 1所述的触发 LTE单卡双待多模终端进行联合注册的方法， 其特征在 于， 所述终端确定注册的 2G/3G网络及其位置区号标识具体为：
所述终端通过比对其 2G/3G射频系统的搜网结果和 SIM卡中的公共陆地移动网络选 网信息确定所述待注册的 2G/3G网络的位置区号标识。
3、 如权利要求 1-2中任意一项所述的触发 LTE单卡双待多模终端进行联合注册的方 法， 其特征在于， 在所述终端向 LTE网络的移动管理实体发送附着请求消息之前， 还包 括：
终端检测其电池的剩余电量；
所述终端向 LTE网络的移动管理实体发送附着请求消息具体为：
如果所述剩余电量大于电量阈值， 所述终端向 LTE网络的移动管理实体发送附着请 求消息。
4、 如权利要求 3所述的触发 LTE单卡双待多模终端进行联合注册的方法， 其特征在 于， 所述电量阈值由终端设备预先设定。
5、 一种 LTE单卡双待多模终端， 其特征在于， 包括：
注册网络确定单元， 用于确定注册的 2G/3G网络的位置区号标识；
附着请求消息发送单元， 用于向 LTE网络的移动管理实体发送附着请求消息， 所述 附着请求消息中包含所述位置区号标识。
6、 如权利要求 5所述的 LTE单卡双待多模终端， 其特征在于， 所述注册网络确定单 元包括：
搜网结果接收单元， 用于接收终端的 2G/3G射频系统的搜网结果；
公共陆地移动网络选网信息读取单元， 用于读取用户插入终端的 SM卡中的公共陆 地移动网络选网信息；
比对确定单元，用于比对所述搜网结果接收单元接收到的搜网结果和所述公共陆地 移动网络选网信息读取单元读取的公共陆地移动网络选网信息， 确定要注册的 2G/3G网 络的位置区号标识。
7、 如权利要求 5-6中任意一项所述的 LTE单卡双待多模终端， 其特征在于， 所述终 端还包括：
剩余电量检测单元， 用于检测终端的剩余电量；
电量比较单元， 用于比较所述剩余电量与电量阈值的大小， 如果所述剩余电量大于 电量阈值， 向所述附着请求消息发送单元发送执行指令， 触发所述附着请求消息发送单 元向 LTE网络的移动管理实体发送附着请求消息。
8、 如权利要求 7所述的 LTE单卡双待多模终端， 其特征在于， 所述电量比较单元中 的电量阈值由终端设备预先设定。
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