CN101370260B - Method of AAA Realizing MS Positioning Capability Negotiation - Google Patents
Method of AAA Realizing MS Positioning Capability Negotiation Download PDFInfo
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Abstract
一种移动台MS与home AAA进行定位能力协商的方法,包括步骤:获得下行信道,进行MAC层同步,并获得上行信道参数;执行初始测距和物理层调整;执行MS与BS之间认证策略的协商和MS与ASN之间的认证;执行MS与home AAA的端到端的EAP认证,把MS的位置能力信息传送到home AAA;执行密钥管理协议PKM第二版v2的消息处理;执行MS向ASN的注册;建立连接并建立数据面通路。对于非开机和MS的定位能力没有发生改变的其他所有与LBS不相关的信令过程,均不涉及MS定位能力的协商与转移。因此解决了MS定位能力不断转移的问题,为MS和系统设备在提供LBS方面的研究开发提供了很大的方便,并可以作为WiMAX Forum正在制定的LBS规范的一部分。
A method for negotiating positioning capabilities between a mobile station MS and a home AAA, comprising the steps of: obtaining a downlink channel, performing MAC layer synchronization, and obtaining uplink channel parameters; performing initial ranging and physical layer adjustment; implementing an authentication strategy between the MS and the BS Negotiation and authentication between MS and ASN; Execute end-to-end EAP authentication between MS and home AAA, and transmit MS location capability information to home AAA; Execute message processing of the second version v2 of key management protocol PKM; Execute MS Registration with the ASN; connection establishment and data plane access. For all other signaling processes not related to LBS that are not powered on and the positioning capability of the MS does not change, the negotiation and transfer of the positioning capability of the MS are not involved. Therefore, it solves the problem of continuous transfer of MS positioning capabilities, and provides great convenience for the research and development of MS and system equipment in providing LBS, and can be used as a part of the LBS specification being formulated by WiMAX Forum.
Description
技术领域 technical field
本发明涉及无线通信系统中,当MS定位能力保存在归属地(以下简称为Home)认证/授权/计费(以下简称为AAA)的情况下,实现MS定位能力协商的一种方法。The present invention relates to a method for realizing MS positioning capability negotiation in a wireless communication system when the MS positioning capability is stored in the home (hereinafter referred to as Home) authentication/authorization/accounting (hereinafter referred to as AAA).
背景技术 Background technique
目前,WiMAX论坛(以下简称为WiMAX forum)网络组(以下简称为NGW)正在制定WiMAX定位业务(以下简称为LBS)第二阶段(也称为Stage-2)规范,其规范草稿中所规定的WiMAX LBS网络参考模型如图1所示。首先,对现有的WiMAX的网络结构做一下说明,从大的功能区分来看,WiMAX包括三个部分:移动台(以下简称为MS)、接入业务网络(以下简称为ASN)、连接业务网络(以下简称为CSN)。其中,ASN包括基站(以下简称为BS)与接入业务网络网关(以下简称为ASN GW)。Currently, the WiMAX Forum (hereinafter referred to as WiMAX forum) Network Group (hereinafter referred to as NGW) is developing the WiMAX Location Service (hereinafter referred to as LBS) Phase 2 (also referred to as Stage-2) specification, which stipulates in the draft specification The WiMAX LBS network reference model is shown in Figure 1. First, let’s explain the existing WiMAX network structure. From the point of view of major functional distinctions, WiMAX includes three parts: mobile station (hereinafter referred to as MS), access service network (hereinafter referred to as ASN), connection service Network (hereinafter referred to as CSN). Wherein, the ASN includes a base station (hereinafter referred to as BS) and an access service network gateway (hereinafter referred to as ASN GW).
ASN是一套网络功能的集合,为WiMAX用户提供无线接入。主要功能为网络发现和选择功能、互联网协议(以下简称为IP)地址分配、无线资源管理等等。一个ASN可以被一个或者多个CSN共享。CSN被定义为一套网络功能的组合,为WiMAX用户提供IP连接。CSN功能包括为用户建立会话连接,给终端分配IP地址、因特网(以下简称为Internet)接入、ASN和CSN之间的隧道建立以及管理、ASN之间的移动性管理等等。ASN is a collection of network functions, providing wireless access for WiMAX users. The main functions are network discovery and selection, Internet Protocol (hereinafter referred to as IP) address allocation, wireless resource management and so on. An ASN can be shared by one or more CSNs. A CSN is defined as a set of network functions that provide IP connectivity to WiMAX users. CSN functions include establishing session connections for users, assigning IP addresses to terminals, Internet (hereinafter referred to as Internet) access, establishment and management of tunnels between ASNs and CSNs, mobility management between ASNs, and so on.
在图1所示的非漫游状态下WiMAX LBS网络参考模型中,与LBS相关的模块包括:In the WiMAX LBS network reference model in the non-roaming state shown in Figure 1, the modules related to LBS include:
(1)定位服务器(Location Server,以下简称LS)(1) Location Server (Location Server, hereinafter referred to as LS)
LS是位于CSN上的一个功能实体,与外部的定位客户端之间的关系为“客户端<—>服务器”的关系,并为外部的客户端和请求定位信息的移动台提供授权检查的功能。另外,LS也可以具有定位计算的功能。LS is a functional entity located on the CSN, and the relationship with the external positioning client is "client <—> server", and provides authorization checking functions for the external client and the mobile station requesting positioning information . In addition, the LS may also have the function of positioning calculation.
(2)定位控制器(Location Controller,以下简称为LC)(2) Location Controller (Location Controller, hereinafter referred to as LC)
LC负责确定和汇报移动台的位置信息和定位参数,LC可以提供这些位置信息和定位参数给LS、MS或者其他ASN内部的实体,如无线资源管理(以下简称为RRM)模块和移动性管理(以下简称为MM)模块。一旦收到来自MS、LS或者ASN内部模块的请求,LC将触发定位相关的测量,收集定位计算所需要的参数并进行定位计算。LC一般位于ASN网络内,若对于分解的ASN,则位于ASN GW上。The LC is responsible for determining and reporting the location information and positioning parameters of the mobile station. The LC can provide these location information and positioning parameters to the LS, MS or other entities within the ASN, such as the radio resource management (hereinafter referred to as RRM) module and the mobility management ( Hereinafter referred to as MM) module. Once receiving the request from the internal module of MS, LS or ASN, LC will trigger the measurement related to positioning, collect the parameters needed for positioning calculation and perform positioning calculation. LC is generally located in the ASN network, and if it is a decomposed ASN, it is located on the ASN GW.
(3)定位代理(Location Agent,以下简称为LA)(3) Location Agent (Location Agent, hereinafter referred to as LA)
LA的主要功能为执行定位相关的测量,可选的也可以收集和汇报定位相关的参数给LC。LA的功能可以位于BS、MS或者两者都有。如果MS上具有LA的功能,相应的BS也具有LA的功能。The main function of the LA is to perform location-related measurements, and optionally collect and report location-related parameters to the LC. The function of LA can be located in BS, MS or both. If the MS has the LA function, the corresponding BS also has the LA function.
LC与BS上的LA之间的接口为ASN内部的接口,即R6接口,LC与LS之间的接口为R3接口,ASN与ASN之间的接口为R4接口,BS与BS之间的接口为R8接口。The interface between the LC and the LA on the BS is the interface inside the ASN, that is, the R6 interface, the interface between the LC and the LS is the R3 interface, the interface between the ASN and the ASN is the R4 interface, and the interface between the BS and the BS is R8 interface.
另外,WiMAX LBS Stage-2规范草稿中所规定的WiMAX网络中端到端的消息流程如图2所示。其步骤包括:In addition, the end-to-end message flow in the WiMAX network stipulated in the WiMAX LBS Stage-2 specification draft is shown in Figure 2. Its steps include:
201 MS或者LBS客户端发起定位业务,可以由定位客户端或者MS向定位服务器LS发送定位请求消息,定位客户端和定位服务器之间的消息不在规范中定义;201 MS or LBS client initiates a positioning service, and the positioning client or MS can send a positioning request message to the positioning server LS, and the message between the positioning client and the positioning server is not defined in the specification;
202 LS与认证/授权/计费(以下简称为AAA)交互,进行认证与授权检查。202 LS interacts with Authentication/Authorization/Accounting (hereinafter referred to as AAA) to check authentication and authorization.
203 由于CSN同时连接多个ASN网络,LS需要找个被定位的MS(以下简称为目标MS)所在的服务ASN,并交由位于服务ASN GW的LC进行处理;203 Since the CSN is connected to multiple ASN networks at the same time, the LS needs to find a serving ASN where the located MS (hereinafter referred to as the target MS) is located, and hand it over to the LC located in the serving ASN GW for processing;
204 找到目标MS的服务LC后,LS向服务LS发送定位报告请求;204 After finding the serving LC of the target MS, the LS sends a location report request to the serving LS;
205 执行ASN内部的位置确定过程;205 Execute the location determination process inside the ASN;
206 成功执行完成后,可以获得目标MS的位置信息,LC向LS报告此定位信息;206 After successful execution, the location information of the target MS can be obtained, and the LC reports the location information to the LS;
207 LS向定位请求方(MS或者定位客户端)发送定位响应消息,返回目标MS的实际位置信息;207 LS sends a location response message to the location requester (MS or location client), and returns the actual location information of the target MS;
208 LS向计费服务器发送计费数据更新,从请求者的帐户中扣除此次LBS业务所需要的费用,此过程为一可选过程,对于一些特殊请求,如紧急服务、合法监听等,不需要付费,因而也不需要执行此步骤。208 LS sends billing data updates to the billing server, and deducts the fee required for this LBS service from the account of the requester. This process is an optional process. For some special requests, such as emergency services, lawful interception, etc., no There is a fee, so this step is not required.
WiMAX LBS Stage-2规范草稿中所规定的WiMAX网络中端到端的消息流程中的步骤202为认证和授权检查。当LS收到来自LBS客户端或者MS的定位请求后,LS向AAA发送认证请求,在AAA执行对LBS业务认证和授权检查。在AAA中保存用户的信息(协议中称为user profile),其中包括如下信息:Step 202 in the end-to-end message flow in the WiMAX network specified in the WiMAX LBS Stage-2 specification draft is an authentication and authorization check. When the LS receives the location request from the LBS client or the MS, the LS sends an authentication request to the AAA, and the AAA performs authentication and authorization checks on the LBS service. Save user information in AAA (called user profile in the protocol), including the following information:
●每个移动台设备是否具有GPS接收机;Whether each mobile station equipment has a GPS receiver;
●每个移动台设备是否支持增强的WiMAX定位能力(如到达时间差(以下简称为TDOA),到达时间(以下简称为RTD)等;Whether each mobile station device supports enhanced WiMAX positioning capabilities (such as time difference of arrival (hereinafter referred to as TDOA), time of arrival (hereinafter referred to as RTD), etc.;
●对于定位业务的签约信息(如签约级别/类型等)。●Subscription information for positioning services (such as subscription level/type, etc.).
移动台(以下简称为MS)需要通过认证以保证正确的签约,另外,外部的客户端也需要被认证以保证WiMAX网络和用户的安全。A mobile station (hereinafter referred to as MS) needs to be authenticated to ensure correct subscription. In addition, external clients also need to be authenticated to ensure the security of the WiMAX network and users.
从这里仅看出AAA与定位信息的签约信息一起保存MS的定位能力,并没有说明如何在AAA中协商并保存MS的定位能力。定位信息的签约信息是在用户签约LBS业务时,一般是由运营商的操作员人工在AAA预先保存的。仅从这里来看,MS的定位能力是与其签约信息签约信息一起保存的。如果移动终端设备和用户识别卡是可分离的话(目前三星的WiMAX终端就是移动终端设备和用户识别卡是可分离的),一旦用户更换了带有其他定位能力的移动终端设备时,都需要人工更新MS的定位能力,这样就非常的不方便。It can only be seen that the AAA and the subscription information of the positioning information save the positioning capability of the MS, but it does not explain how to negotiate and save the positioning capability of the MS in the AAA. The subscription information of the positioning information is generally pre-saved in the AAA manually by the operator of the operator when the user subscribes to the LBS service. From this point of view only, the location capability of the MS is stored together with its subscription information. If the mobile terminal equipment and the subscriber identification card are detachable (currently, Samsung's WiMAX terminal means that the mobile terminal equipment and the subscriber identification card are detachable), once the user replaces a mobile terminal equipment with other positioning capabilities, manual work is required. It is very inconvenient to update the positioning capability of MS.
另外,当移动终端通过篮牙(bluetooth)或者其他外接设备外接了GPS接收模块时,MS的定位能力即发生了改变,如何在AAA中重新协商并更新MS的定位能力在规范中并没有说明。更没有考虑到MS处于不同状态下,如MS处于空闲(以下简称为IDLE)和活动(以下简称为ACTIVE)状态下,采用什么样的信令过程在AAA中协商、保存并更新MS的定位能力。由于进行定位算法的选择需要根据MS的定位能力信息来进行,所以只有解决了上述问题,才能为在WiMAX网络中进行定位算法的选择提供必要的依据。In addition, when the mobile terminal connects to the GPS receiving module through bluetooth or other external devices, the positioning capability of the MS changes. How to renegotiate and update the positioning capability of the MS in AAA is not described in the specification. Not to mention what signaling process is used to negotiate, save and update the positioning capability of the MS in AAA when the MS is in different states, such as when the MS is in idle (hereinafter referred to as IDLE) and active (hereinafter referred to as ACTIVE) states . Since the selection of the positioning algorithm needs to be performed according to the positioning capability information of the MS, only by solving the above problems can a necessary basis be provided for the selection of the positioning algorithm in the WiMAX network.
另外,华为公司也在2007年6月份在西班牙举行的WiMAX全会上向NWG的LBS子组提交的文稿中也提出了一种MS定位能力协商的方法。华为的方法是:当MS向网络进行注册时通过层2或者层3消息进行MS定位能力的协商,当MS处于ACTIVE状态时,MS定位能力保存在LC中;当MS处于IDLE状态中,MS定位能力保存在锚寻呼控制器(以下简称为APC)或者位置寄存器(以下简称为LR)中。当MS切换到新的服务ASN网络时,MS的定位能力将被转移到新的LC中,当MS改变它的定位能力时,在注册到网络的过程中把这些信息更新到LC中。In addition, Huawei also proposed a method for MS positioning capability negotiation in a document submitted to the LBS subgroup of the NWG at the WiMAX plenary meeting held in Spain in June 2007. Huawei's method is: when the MS registers with the network, it negotiates the MS positioning capability through layer 2 or
华为的方法一个最大的问题是即使是在MS的定位能力没有改变的情况下,MS定位能力信息也要随着MS的移动而不停的转移。另外,当MS在ACTIVE状态从一个LC移动到另外一个LC或者在IDLE状态从一个PC/LR移动到另外一个PC/LR时,MS定位能力信息也需要转移到新的实体中。而且当MS从IDLE转移到ACTIVE这种状态下,MS的能力信息也需要从PC/LR转移到服务LC。从ACTIVE转移到IDLE时,也需要从服务LC转移到PC/LR,这样就即使用户没有启动LBS业务,也需要其他的信令过程中不停地转移MS的位置能力信息,这无疑给网络带来一定的负担。所以,华为的这种方法也不是一个简便快捷的方法,不符合WiMAX网络简便实用的原则。One of the biggest problems with Huawei's method is that even if the MS's positioning capability does not change, the MS's positioning capability information will continue to transfer as the MS moves. In addition, when the MS moves from one LC to another LC in the ACTIVE state or from one PC/LR to another PC/LR in the IDLE state, the MS positioning capability information also needs to be transferred to the new entity. And when the MS is transferred from IDLE to ACTIVE, the capability information of the MS also needs to be transferred from the PC/LR to the serving LC. When transferring from ACTIVE to IDLE, it is also necessary to transfer from the serving LC to the PC/LR. In this way, even if the user does not start the LBS service, it is necessary to continuously transfer the location capability information of the MS in other signaling processes, which undoubtedly brings new problems to the network. To a certain burden. Therefore, Huawei's method is not a simple and quick method, and does not conform to the simple and practical principle of WiMAX networks.
发明内容 Contents of the invention
为解决上述问题,根据本发明的一方面,提出了一种移动台MS与home AAA进行定位能力协商的方法,包括步骤:In order to solve the above problems, according to one aspect of the present invention, a method for negotiating location capabilities between a mobile station MS and a home AAA is proposed, including steps:
(1a)获得下行信道,进行MAC层同步,并获得上行信道参数;(1a) Obtain a downlink channel, perform MAC layer synchronization, and obtain uplink channel parameters;
(2a)执行初始测距和物理层调整;(2a) Perform initial ranging and physical layer adjustment;
(3a)执行MS与BS之间认证策略的协商和MS与ASN之间的认证;(3a) Perform negotiation of authentication policy between MS and BS and authentication between MS and ASN;
(4a)执行MS与home AAA的端到端的EAP认证,把MS的位置能力信息传送到home AAA;(4a) Perform end-to-end EAP authentication between the MS and the home AAA, and transmit the location capability information of the MS to the home AAA;
(5a)执行密钥管理协议PKM第二版v2的消息处理;(5a) Execute the message processing of the second version v2 of the key management protocol PKM;
(6a)执行MS向ASN的注册;(6a) Perform registration of the MS with the ASN;
(7a)建立连接并建立数据面通路。(7a) Establish a connection and establish a data plane path.
根据本发明的另一方面,提出了一种移动台MS与home AAA进行定位能力协商的方法,包括步骤:According to another aspect of the present invention, a method for negotiating location capabilities between a mobile station MS and a home AAA is proposed, including steps:
(1b)当MS的定位能力改变时,如果MS处于IDLE状态,则MS重新接入网络,在MS侧,由于LBS定位能力的改变,触发重认证处理;(1b) When the positioning capability of the MS changes, if the MS is in the IDLE state, the MS re-accesses the network. On the MS side, due to the change of the LBS positioning capability, re-authentication processing is triggered;
(2b)执行MS与home AAA的端到端的EAP认证,把MS的位置能力信息传送到home AAA;(2b) Perform end-to-end EAP authentication between the MS and the home AAA, and transmit the location capability information of the MS to the home AAA;
(3b)执行PKMv2协议处理;(3b) Execute PKMv2 protocol processing;
(4b)重认证处理结束。(4b) The re-authentication process ends.
根据本发明的另一方面,提出了一种移动台MS与home AAA进行定位能力协商的方法,包括步骤:According to another aspect of the present invention, a method for negotiating location capabilities between a mobile station MS and a home AAA is proposed, including steps:
(1c)当MS的定位能力改变时,如果MS处于ACTIVE状态,则MS侧,由于LBS定位能力的改变,触发重认证处理;(1c) When the positioning capability of the MS changes, if the MS is in the ACTIVE state, the MS side triggers re-authentication processing due to the change of the LBS positioning capability;
(2c)执行MS与home AAA的端到端的EAP认证;(2c) Perform end-to-end EAP authentication between MS and home AAA;
(3c)执行PKMv2协议处理;(3c) Execute PKMv2 protocol processing;
(4c)重认证处理结束。(4c) The re-authentication process ends.
根据本发明的另一方面,提出了一种移动台MS与home AAA进行定位能力协商的方法,包括步骤:According to another aspect of the present invention, a method for negotiating location capabilities between a mobile station MS and a home AAA is proposed, including steps:
(1d)当MS的定位能力改变时,如果MS处于IDLE状态,则由于LBS定位能力的改变,触发位置更新处理;(1d) When the positioning capability of the MS changes, if the MS is in the IDLE state, the location update process is triggered due to the change of the LBS positioning capability;
(2d)服务BS使锚认证实体通过R3接口消息向Home AAA发送MS的定位能力信息;(2d) The serving BS makes the anchor authentication entity send the location capability information of the MS to the Home AAA through the R3 interface message;
(3d)Home AAA返回锚认证实体响应消息,并使服务BS返回MS测距响应;(3d) Home AAA returns the anchor authentication entity response message, and makes the serving BS return the MS ranging response;
(4d)服务BS向服务ASN-GW返回位置更新响应;(4d) The serving BS returns a location update response to the serving ASN-GW;
(5d)服务ASN-GW向锚寻呼控制器返回位置更新响应。(5d) The serving ASN-GW returns a location update response to the anchor paging controller.
根据本发明的另一方面,一种对计费事件通知进行MS定位能力协商的方法,包括步骤:According to another aspect of the present invention, a method for negotiating MS location capabilities for charging event notifications includes the steps of:
(1e)当MS的定位能力改变时,如果MS处于ACTIVE状态,则由于LBS定位能力的改变,MS向服务BS发送计费启动触发信息;(1e) When the positioning capability of the MS changes, if the MS is in the ACTIVE state, the MS sends charging start trigger information to the serving BS due to the change of the positioning capability of the LBS;
(2e)服务BS到锚认证实体发送计费请求消息,其中携带MS定位能力信息;(2e) The serving BS sends a charging request message to the anchor authentication entity, which carries MS positioning capability information;
(3e)锚认证实体利用R3接口消息向Home AAA发送MS的定位能力信息;(3e) The anchor authentication entity uses the R3 interface message to send the location capability information of the MS to the Home AAA;
(4e)Home AAA返回锚认证实体响应消息;(4e) Home AAA returns the anchor authentication entity response message;
(5e)锚认证实体向服务BS发送计费响应。(5e) The anchor authentication entity sends a charging response to the serving BS.
这样,本发明提供了一种在Home AAA中保存MS的定位能力信息的情况下实现MS定位能力协商的方法。本方法仅是需要在MS开机和MS的定位能力发生改变时,需要协商并把MS的定位能力保存在Home AAA中,其他不相关信令过程均不需要MS定位能力的协商与转移。仅需要在启动LBS业务的信令流程中从Home AAA中取到MS的定位能力,以便做定位方法的选择,这样对于非开机和MS的定位能力没有发生改变的其他所有的与LBS不相关的信令过程,如IDLE转移到ACTIVE、从ACTIVE转移到IDEL等,均不涉及MS定位能力的协商与转移。这样就为解决了MS定位能力不断转移的问题,为MS和系统设备在提供LBS方面的研究开发提供了很大的方便,并可以作为WiMAX Forum正在制定的LBS规范的一部分。因此弥补了目前WiMAX标准中相应的空白。In this way, the present invention provides a method for realizing MS location capability negotiation under the condition of saving MS location capability information in Home AAA. This method only needs to negotiate and save the positioning capability of the MS in the Home AAA when the MS is turned on and the positioning capability of the MS changes, and other unrelated signaling processes do not require negotiation and transfer of the MS positioning capability. It is only necessary to obtain the positioning capability of the MS from Home AAA in the signaling process of starting the LBS service, so as to select the positioning method, so that all other non-starting and MS positioning capabilities have not changed and are not related to LBS The signaling process, such as transfer from IDLE to ACTIVE, transfer from ACTIVE to IDEL, etc., does not involve negotiation and transfer of MS positioning capabilities. This solves the problem of continuous transfer of MS positioning capabilities, and provides great convenience for the research and development of MS and system equipment in providing LBS, and can be used as a part of the LBS specification being formulated by WiMAX Forum. Therefore, it fills up the corresponding gap in the current WiMAX standard.
附图说明 Description of drawings
图1非漫游状态下WiMAX LBS网络参考模型;Figure 1 WiMAX LBS network reference model in non-roaming state;
图2WiMAX网络中LBS端到端的消息流程;Figure 2 LBS end-to-end message flow in WiMAX network;
图3MS开机进行MS定位协商的信令过程;Fig. 3 The signaling process of MS starting up and performing MS positioning negotiation;
图4MS开机后处于IDLE状态时MS定位能力改变时利用重认证进行的MS定位协商的信令过程;Fig. 4 The signaling process of MS positioning negotiation using re-authentication when the MS is in the IDLE state after power-on and the MS positioning capability changes;
图5MS开机后处于ACTIVE状态时MS定位能力改变时的利用重认证进行MS定位协商的信令过程;Figure 5. The signaling process of MS positioning negotiation using re-authentication when the MS is in the ACTIVE state after power-on and the MS positioning capability changes;
图6MS开机后处于IDLE状态时MS定位能力改变时利用位置更新的MS定位协商的信令过程;Fig. 6 The signaling process of MS location negotiation using location update when the MS location capability changes when the MS is in the IDLE state after power-on;
图7MS开机后处于ACTIVE状态时MS定位能力改变时利用位置更新的MS定位协商的信令过程;Fig. 7 The signaling process of MS location negotiation using location update when the MS is in the ACTIVE state after power-on and the MS location capability changes;
图8MS开机后MS定位能力改变时利用重认证进行的MS定位协商的信令过程(修改EAP Payload);Fig. 8 Signaling process of MS positioning negotiation using re-authentication when MS positioning capability changes after MS is turned on (modified EAP Payload);
图9MS开机后MS定位能力改变时利用重认证进行的MS定位协商的信令过程(修改EAP NAI)。Figure 9 shows the signaling process of MS location negotiation using re-authentication when the MS location capability changes after the MS is turned on (modified EAP NAI).
具体实施方式 Detailed ways
本发明涉及无线通信系统中,当MS定位能力保存在Home AAA的情况下,实现MS定位能力协商的一种方法,在本发明的如下说明中,以全球互操作的微波接入(Worldwide Interoperability forMicrowave Access,如下简称为WiMAX)网络为例说明。The present invention relates to a method for realizing MS positioning capability negotiation in a wireless communication system when the MS positioning capability is stored in Home AAA. In the following description of the present invention, the Worldwide Interoperability for Microwave Access Access (hereinafter referred to as WiMAX) network as an example for description.
为实现上述目的,本发明提供一种AAA实现MS定位能力协商方法。包括如下5个信令过程:In order to achieve the above object, the present invention provides a method for negotiating MS location capability through AAA. Including the following 5 signaling processes:
1.MS开机时的MS定位能力协商的信令流程;1. The signaling process of MS positioning capability negotiation when the MS is turned on;
2.MS处于IDLE状态时启动重定位过程进行MS定位能力协商的信令流程;2. When the MS is in the IDLE state, start the relocation process to perform the signaling process of MS positioning capability negotiation;
3.MS处于ACTIVE状态时启动重定位过程进行MS定位能力协商的信令流程;3. When the MS is in the ACTIVE state, the relocation process is started to perform the signaling process of MS positioning capability negotiation;
4.MS处于IDLE状态时利用现有的位置更新过程进行MS定位能力协商的信令流程;4. When the MS is in the IDLE state, use the existing location update process to carry out the signaling process of MS positioning capability negotiation;
5.MS处于ACTIVE状态时启动计费时间通知进行MS定位能力协商的信令流程。5. When the MS is in the ACTIVE state, the charging time notification is started to perform the signaling process of MS positioning capability negotiation.
1.MS开机时的MS定位能力协商的信令流程1. Signaling process of MS positioning capability negotiation when MS is turned on
MS开机的MS定位能力协商的信令流程,包括如下步骤:The signaling process of MS positioning capability negotiation when the MS is turned on includes the following steps:
(1)下行信道的信道获得,MAC层同步,获得上行信道参数;(1) The channel of the downlink channel is obtained, the MAC layer is synchronized, and the parameters of the uplink channel are obtained;
(2)初始测距和物理层调整过程;(2) Initial ranging and physical layer adjustment process;
(3)MS与BS之间认证策略的协商和MS与ASN之间的认证;(3) Negotiation of authentication policy between MS and BS and authentication between MS and ASN;
(4)MS与home AAA的端到端的EAP认证过程,其中携带MS的定位能力信息;(4) The end-to-end EAP authentication process between MS and home AAA, which carries the positioning capability information of MS;
(5)密钥管理协议(以下简称为PKM)第二版(以下简称v2)的消息处理过程;(5) The message processing process of the second version of the key management protocol (hereinafter referred to as PKM) (hereinafter referred to as v2);
(6)MS向ASN的注册过程;(6) The registration process of MS to ASN;
(7)连接的建立与数据通路的建立(可选)(7) Connection establishment and data path establishment (optional)
2.MS处于IDLE状态时启动重认证过程进行MS定位能力协商的信令流程,包括如下步骤:2. When the MS is in the IDLE state, start the re-authentication process to carry out the signaling process of MS positioning capability negotiation, including the following steps:
(1)MS定位能力的改变;(1) Changes in MS positioning capabilities;
(2)MS重新接入网络;(2) MS re-connects to the network;
(3)MS侧,由于LBS定位能力的改变,触发重认证过程;(3) On the MS side, the re-authentication process is triggered due to the change of the LBS positioning capability;
(4)EAP认证过程,其中通过MS与Home AAA之间端到端的EAP过程传送MS的定位能力信息;(4) EAP authentication process, wherein the location capability information of the MS is transmitted through the end-to-end EAP process between the MS and the Home AAA;
(5)PKMv2协议处理过程;(5) PKMv2 protocol processing process;
(6)重认证结束过程。(6) The process of re-authentication ends.
3.MS处于ACTIVE状态时启动重认证过程进行MS定位能力协商的信令流程,包括如下步骤:3. When the MS is in the ACTIVE state, start the re-authentication process to carry out the signaling process of MS positioning capability negotiation, including the following steps:
(1)MS定位能力的改变;(1) Changes in MS positioning capabilities;
(2)MS侧,由于LBS定位能力的改变,触发重认证过程;(2) On the MS side, the re-authentication process is triggered due to the change of the LBS positioning capability;
(3)EAP认证过程,其中通过MS与Home AAA之间端到端的EAP过程传送MS的定位能力信息;(3) EAP authentication process, wherein the location capability information of the MS is transmitted through the end-to-end EAP process between the MS and the Home AAA;
(4)PKMv2协议处理过程;(4) PKMv2 protocol processing process;
(5)重认证结束过程。(5) The re-authentication process ends.
4.MS处于IDLE状态时利用现有的位置更新过程进行MS定位能力协商的信令流程,包括如下步骤:4. When the MS is in the IDLE state, use the existing location update process to perform the signaling process for MS positioning capability negotiation, including the following steps:
(1)MS定位能力的改变;(1) Changes in MS positioning capabilities;
(2)由于LBS定位能力的改变,触发测距请求;(2) Due to the change of the LBS positioning capability, a ranging request is triggered;
(3)服务BS到锚寻呼控制器(Anchor PC)发送位置更新请求,其中携带MS定位能力信息;(3) The serving BS sends a location update request to the anchor paging controller (Anchor PC), which carries MS location capability information;
(4)锚寻呼控制器向锚认证实体发送上下文获取过程,其中携带MS的定位能力信息;(4) The anchor paging controller sends the context acquisition process to the anchor authentication entity, which carries the positioning capability information of the MS;
(5)锚认证实体利用R3接口消息向Home AAA发送MS的定位能力信息;(5) The anchor authentication entity uses the R3 interface message to send the location capability information of the MS to the Home AAA;
(6)Home AAA回锚认证实体响应消息;(6) Home AAA returns the anchor authentication entity response message;
(7)锚寻呼控制器回服务BS响应;(7) The anchor paging controller responds back to the serving BS;
(8)服务BS回MS测距响应;(8) The serving BS returns a ranging response to the MS;
(9)服务BS向服务ASN-GW回位置更新响应;(9) The serving BS returns a location update response to the serving ASN-GW;
(10)服务ASN-GW向锚寻呼控制器回位置更新响应。(10) The serving ASN-GW returns a location update response to the anchor paging controller.
5.MS处于ACTIVE状态时启动计费事件通知进行MS定位能力协商的信令流程;5. When the MS is in the ACTIVE state, the charging event notification is started to perform the signaling process of MS positioning capability negotiation;
(1)MS定位能力的改变;(1) Changes in MS positioning capabilities;
(2)由于LBS定位能力的改变,触发MS向服务BS发送计费启动触发;(2) Due to the change of the location capability of the LBS, trigger the MS to send a charging start trigger to the serving BS;
(3)服务BS到锚认证实体发送计费请求,其中携带MS定位能力信息;(3) The serving BS sends a charging request to the anchor authentication entity, which carries MS positioning capability information;
(4)锚认证实体利用现有的R3接口消息向Home AAA发送MS的定位能力信息;(4) The anchor authentication entity uses the existing R3 interface message to send the location capability information of the MS to the Home AAA;
(5)Home AAA回锚认证实体响应消息;(5) Home AAA returns the anchor authentication entity response message;
(6)锚认证实体向服务BS发送计费响应。(6) The anchor authentication entity sends a charging response to the serving BS.
本发明方法提供了当MS开机时在归属AAA中保存MS的定位能力与当开机后MS定位能力发生改变时实现MS定位能力协商的方法。本方法可以适用于任何的无线通信网络,如宽带码分多址(以下简称为WCDMA)、码分多址2000(以下简称为CDMA2000)、WiMAX网络、长期演进(以下简称为LTE)网络等。在本发明的实施例中,以WiMAX网络为例说明,其他网络按照WiMAX网络与本网络中功能实体的对应关系按照本发明的方法或者选取本发明中的若干信令过程或者一个信令过程的若干部分进行实施。The method of the invention provides a method for saving the location capability of the MS in the home AAA when the MS is turned on and realizing negotiation of the location capability of the MS when the location capability of the MS is changed after the startup. The method can be applied to any wireless communication network, such as Wideband Code Division Multiple Access (hereinafter referred to as WCDMA), Code Division Multiple Access 2000 (hereinafter referred to as CDMA2000), WiMAX network, Long Term Evolution (hereinafter referred to as LTE) network, etc. In the embodiment of the present invention, the WiMAX network is taken as an example for illustration. Other networks follow the corresponding relationship between the WiMAX network and the functional entities in the network according to the method of the present invention or select several signaling processes or one signaling process in the present invention. Several parts are implemented.
实现本发明的目的,可以很多的方法,为保证可用性和可被标准组织接纳性,应尽量减小对现有标准的修改,这主要考虑到现有的标准的成熟性和目前很多的厂家已经基于现有的标准开发出了产品,如果修改很大的话,这些厂家需要重新花费很大的人力物力等对产品做很大的修改,这对于他们是很难接受的。基于此,本发明中所做的发明为尽量重用现有标准中的信令过程和消息,而不是重新去设计若干全新的信令过程和消息。所以,本发明中所发明的方案为实用性和可接受性都比较大的方法。To achieve the purpose of the present invention, many methods can be used. In order to ensure usability and acceptance by standard organizations, the modification of existing standards should be minimized. This mainly takes into account the maturity of existing standards and the fact that many manufacturers have already Products are developed based on existing standards. If the modification is large, these manufacturers need to spend a lot of manpower and material resources to make major modifications to the product, which is difficult for them to accept. Based on this, the invention made in the present invention is to reuse the signaling procedures and messages in the existing standards as much as possible, instead of redesigning several brand new signaling procedures and messages. Therefore, the solution invented in the present invention is a method with greater practicability and acceptability.
实施本发明的AAA实现MS定位能力协商的方法的具体实施例如图3-图7所示。首先,对本发明中给出的下述具体实施例中的具体流程和消息做一个说明。尽管本发明为实现MS定位能力协商的方法推荐按照实施例中的消息发送接收顺序来进行实施,但是本发明并不严格固定消息的先后顺序,即,不固定AA实现MS定为能力协商的方法一定按照本实施例中的消息发送顺序,本领域的普通技术人员可以根据自己所开展的具体LBS业务情况和具体的网络情况有选择地实现某些流程或者某些流程中的某段流程,或者根据具体设备或者LBS运营情况适当得调整个别消息发送的先后顺序。另外,本实施例所列出的消息中所包含的具体参数仅为示例,本领域的普通技术人员可以有选择的采用,也可以设计其他全新的参数或者添加其他参数。The specific embodiments of the method for implementing the AAA of the present invention to realize MS positioning capability negotiation are shown in Fig. 3-Fig. 7 . Firstly, an explanation is made on the specific processes and messages in the following specific embodiments given in the present invention. Although the present invention recommends that the method for realizing MS positioning capability negotiation be implemented according to the order of message sending and receiving in the embodiment, the present invention does not strictly fix the sequence of messages, that is, the method of implementing MS capability negotiation without fixing AA Certainly according to the order of sending messages in this embodiment, those skilled in the art can selectively implement certain processes or a certain process in certain processes according to the specific LBS business conditions and specific network conditions carried out by themselves, or According to the specific equipment or LBS operating conditions, the sequence of sending individual messages should be adjusted appropriately. In addition, the specific parameters included in the messages listed in this embodiment are only examples, and those skilled in the art may selectively adopt, or design other completely new parameters or add other parameters.
对于图3-图5的信令过程,都是使用EAP过程携带MS的能力信息,需要对现有的EAP消息进行扩充,比如说修改EAP消息中的网络接入标识符(如下简称为NAI)或EAP的净负荷(如下简称为EAP-Payload)字段,添加一个新的参数。即MS的定位能力信息,其中包括是否支持GPS接收,是否支持增强的定位算法(如TDOA、RTD等)和其他定位方面的信息。For the signaling process in Figure 3-Figure 5, the EAP process is used to carry the capability information of the MS, and the existing EAP message needs to be expanded, such as modifying the network access identifier (hereinafter referred to as NAI) in the EAP message or EAP payload (hereinafter referred to as EAP-Payload) field, add a new parameter. That is, the positioning capability information of the MS, including whether it supports GPS reception, whether it supports enhanced positioning algorithms (such as TDOA, RTD, etc.) and other positioning information.
对于在MS开机时MS的定位能力协商的信令流程,本发明中的方案尽量重用现有的开机时初始网络接入过程的信令过程。现有的WiMAX论坛网络结构规范(第三阶段:详细的协议和过程)中所规定的现有的MS开机时,需要启动MS初始网络接入过程(MS InitialEntry)过程。其中按照是单向认证还是双向认证,又可分为单个(协议中称为Single)扩展认证协议(以下简称为EAP)和双(协议中称为Double)EAP。如下的实施例中本发明以Single EAP为例来说明,对于采用Double EAP的网络,只需要在第一个EAP过程中携带MS的定位能力信息即可。对于后一个EAP过程,仍采用已有的EAP过程即可,后一个EAP过程不需要增强。For the signaling process of MS positioning capability negotiation when the MS is powered on, the solution in the present invention reuses the existing signaling process of the initial network access process when the MS is powered on as much as possible. When the existing MS specified in the existing WiMAX Forum network structure specification (the third phase: detailed protocol and process) starts up, it needs to start the MS initial network access process (MS InitialEntry) process. According to whether it is one-way authentication or two-way authentication, it can be further divided into single (referred to as Single in the protocol) Extended Authentication Protocol (hereinafter referred to as EAP) and double (referred to as Double in the protocol) EAP. In the following embodiments, the present invention is illustrated by taking Single EAP as an example. For a network using Double EAP, it is only necessary to carry the positioning capability information of the MS in the first EAP process. For the latter EAP process, the existing EAP process can still be used, and the latter EAP process does not need to be enhanced.
MS开机进行MS定位协商的信令过程如图3所示,包括步骤:The signaling process of MS power-on for MS location negotiation is shown in Figure 3, including steps:
301 MS开机,首先在空中接口获取上行信道、MAC层同步与下行信道参数的获得,具体可以参考美国电气电子工程师学会(以下简称为IEEE)802.16e规范;301 MS boots up, first obtains the uplink channel, MAC layer synchronization and downlink channel parameters on the air interface. For details, please refer to the Institute of Electrical and Electronics Engineers (hereinafter referred to as IEEE) 802.16e specification;
302 MS在空中接口执行初始测距与物理层的调整过程,具体可以IEEE 802.16e规范;302 MS performs the initial ranging and physical layer adjustment process on the air interface, which can be specified in the IEEE 802.16e specification;
303 首先,MS与服务ASN之间协商认证策略,完成后即按照协商好的认证策略进行MS与服务ASN之间的认证;303 First, the authentication strategy is negotiated between the MS and the serving ASN, and then the authentication between the MS and the serving ASN is performed according to the negotiated authentication strategy;
304 MS与Home AAA之间端到端EAP认证过程,其中在MS发送到Home AAA的EAP消息中携带MS的定位能力信息,Home AAA收到后,把此信息添加或者更新到数据库中,以便为发起的定位业务过程中可以从Home AAA查询到MS的定位能力信息;304 The end-to-end EAP authentication process between the MS and the Home AAA, wherein the EAP message sent by the MS to the Home AAA carries the location capability information of the MS. After the Home AAA receives this information, it adds or updates this information to the database for During the positioning service process initiated, the positioning capability information of the MS can be queried from the Home AAA;
305 MS与Home AAA之间端到端EAP认证过程完成后,MS与服务ASN之间执行后续的PKMv2协商过程,本过程与本发明关系不太,在此不一一赘述,详细信息请参见WiMAX论坛NWG 1.0版第三阶段(一般称为Stage-3)的规范;305 After the end-to-end EAP authentication process between the MS and the Home AAA is completed, the subsequent PKMv2 negotiation process is performed between the MS and the serving ASN. This process has little to do with the present invention and will not be described here. For details, please refer to WiMAX Specifications for the third stage (commonly referred to as Stage-3) of Forum NWG Version 1.0;
306 MS完成Home AAA与服务ASN之间的认证过程后,即向网络侧发起注册过程,把此MS的相关上下文信息保持或者更新在服务ASN中;306 After the MS completes the authentication process between the Home AAA and the service ASN, it initiates a registration process to the network side, and keeps or updates the relevant context information of the MS in the service ASN;
307 若有业务发起,则MS通过空中接口触发动态业务流的建立,BS与ASN GW之间建立数据面通道。307 If a service is initiated, the MS triggers the establishment of a dynamic service flow through the air interface, and a data plane channel is established between the BS and the ASN GW.
MS开机后处于IDLE状态下,若通过篮牙或者USB口或者其他方式外接了GPS接收模块或者其他定位模块时,MS的定位能力即发生了改变。在这种情况下,利用重认证进行的MS定位协商的信令过程如图4所示,包括步骤:MS is in IDLE state after starting up, if a GPS receiving module or other positioning modules are connected externally through Bluetooth or USB port or other methods, the positioning capability of MS will be changed. In this case, the signaling process of MS location negotiation using re-authentication is shown in Figure 4, including steps:
401 MS开机后处于IDLE状态,MS的定位能力发生了改变;401 The MS is in the IDLE state after booting up, and the positioning capability of the MS has changed;
402 由于MS的定位能力发生改变,MS触发网络重新接入过程;402 The MS triggers a network re-access process due to a change in the positioning capability of the MS;
403 MS触发重认证过程,并携带其原因值为MS定位能力的改变;403 The MS triggers the re-authentication process, and carries its cause value as a change in the MS's location capability;
404 MS与Home AAA之间端到端EAP认证过程,其中在MS发送到Home AAA的EAP消息中携带MS的定位能力信息。Home AAA收到后,把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从Home AAA获取MS的定位能力信息;404 The end-to-end EAP authentication process between the MS and the Home AAA, in which the location capability information of the MS is carried in the EAP message sent by the MS to the Home AAA. After the Home AAA receives it, add or update this information to the attribute or information list of the MS, so that the positioning capability information of the MS can be obtained from the Home AAA during the process of initiating the positioning service;
405 MS与Home AAA之间端到端EAP认证过程完成后,MS与服务ASN之间执行后续的PKMv2协商过程,本过程与本发明关系不太,在此不一一赘述,详细信息请参见WiMAX论坛NWG 1.0版第三阶段(一般称为Stage-3)的规范;405 After the end-to-end EAP authentication process between the MS and the Home AAA is completed, the subsequent PKMv2 negotiation process is performed between the MS and the serving ASN. This process has little to do with the present invention and will not be described here. For details, please refer to WiMAX Specifications for the third stage (commonly referred to as Stage-3) of Forum NWG Version 1.0;
406 重认证过程结束。406 The re-authentication process is over.
MS开机后处于ACTIVE状态下,若通过篮牙或者USB口或者其他方式外接了GPS接收模块或者其他定位模块,MS的定位能力即发生了改变,在这种情况下,利用重认证进行的MS定位协商的信令过程如图5所示,包括步骤:When the MS is in the ACTIVE state after it is turned on, if a GPS receiving module or other positioning modules are connected externally through the Bluetooth or USB port or other methods, the positioning capability of the MS will change. In this case, MS positioning using re-authentication The signaling process of negotiation is shown in Figure 5, including steps:
501 MS开机后处于IDLE状态,MS的定位能力发生了改变;501 The MS is in the IDLE state after booting, and the positioning capability of the MS has changed;
502 MS触发重认证过程,并携带其原因值为MS定位能力的改变;502 The MS triggers the re-authentication process, and carries its cause value as a change in the MS's location capability;
503 MS与Home AAA之间端到端EAP认证过程,其中在MS发送到Home AAA的EAP消息中携带MS的定位能力信息,Home AAA收到后,把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从Home AAA获取MS的定位能力信息;503 The end-to-end EAP authentication process between MS and Home AAA, in which the EAP message sent by MS to Home AAA carries the location capability information of MS. After Home AAA receives this information, it adds or updates this information to the attributes of this MS or information list, so that the positioning capability information of the MS can be obtained from the Home AAA during the positioning service initiated;
504 MS与Home AAA之间端到端EAP认证过程完成后,MS与服务ASN之间执行后续的PKMv2协商过程,本过程与本发明关系不太,在此不一一赘述,详细信息请参见WiMAX论坛NWG 1.0版第三阶段(一般称为Stage-3)的规范;504 After the end-to-end EAP authentication process between the MS and the Home AAA is completed, the subsequent PKMv2 negotiation process is performed between the MS and the serving ASN. This process has little to do with the present invention and will not be described here. For details, please refer to WiMAX Specifications for the third stage (commonly referred to as Stage-3) of Forum NWG Version 1.0;
505 重认证过程结束。505 The re-authentication process is over.
MS开机后处于IDLE状态下,若通过篮牙或者USB口或者其他方式外接了GPS接收模块或者其他定位模块,MS的定位能力即发生了改变。在这种情况下,可以按照上述利用重认证来实现,其优点为只在EAP过程中携带MS的定位能力信息即可,并可利用MS在开机状态下为实现MS定位能力协商所做的修改即可,利用现有的过程,不需要其他额外的修改,但是缺点也是非常的明显。在这种情况下,需要单独仅为了MS定位能力的协商而单独启动一个复杂的重认证过程,所花费的代价也比较大。为解决这个问题,本发明还提出了另外的方法,以下将进行详细描述:MS is in IDLE state after starting up, if a GPS receiving module or other positioning modules are connected externally through Bluetooth or USB port or other methods, the positioning capability of MS will be changed. In this case, it can be realized by using re-authentication as described above, which has the advantage of only carrying the location capability information of the MS in the EAP process, and can use the modification made by the MS to realize the negotiation of the location capability of the MS in the power-on state That is, using the existing process, no other additional modifications are required, but the disadvantages are also very obvious. In this case, it is necessary to start a complex re-authentication process only for the negotiation of the MS's location capability, and the cost is relatively high. To solve this problem, the present invention also proposes another method, which will be described in detail below:
MS开机后处于IDLE状态时,MS定位能力改变时,利用位置更新的MS定位协商的信令过程进行的MS定位协商,如图6所示,包括步骤:When the MS is in the IDLE state after powering on, when the MS positioning capability changes, the MS positioning negotiation using the signaling process of the MS positioning negotiation for location update, as shown in Figure 6, includes steps:
601 MS开机后处于IDLE状态,MS的定位能力发生了改变;601 The MS is in the IDLE state after booting, and the positioning capability of the MS has changed;
602 由于MS的定位能力发生改变,MS通过空中接口向服务BS发送测距请求,其中更新的携带MS的定位能力信息;602 Due to the change of the positioning capability of the MS, the MS sends a ranging request to the serving BS through the air interface, and the updated one carries the positioning capability information of the MS;
603 服务BS向位于锚ASN的锚寻呼控制器发送位置更新请求,其中携带MS的定位能力信息;603 The serving BS sends a location update request to the anchor paging controller located at the anchor ASN, which carries the positioning capability information of the MS;
604 锚寻呼控制器与锚认证实体之间进行上下文的获取过程,其中携带MS的定位能力信息;604 The context acquisition process is performed between the anchor paging controller and the anchor authentication entity, which carries the positioning capability information of the MS;
605 锚认证实体获得MS的定位能力信息后,通过R3接口消息发送给Home AAA。605 After the anchor authentication entity obtains the location capability information of the MS, it sends a message to the Home AAA through the R3 interface.
为减少对现有规范的修改,本发明建议不为仅实现此功能而添加新的R3接口消息,而是利用现有的R3接口消息,可以利用现有的计费请求消息,在其中添加一个新的参数,即MS的定位能力信息,或者使用为LBS添加的消息,如定位请求或者其他消息。本领域的普通技术人员也可以选择其他现有的R3接口消息添加一个新的参数,即MS的定位能力信息,或者也可以使用新的R3接口消息;In order to reduce the modification of existing norms, the present invention proposes not to add a new R3 interface message only to realize this function, but to use the existing R3 interface message, which can use the existing charging request message to add a The new parameter is the positioning capability information of the MS, or the message added for the LBS, such as a positioning request or other messages. Those of ordinary skill in the art may also select other existing R3 interface messages to add a new parameter, that is, the location capability information of the MS, or may also use a new R3 interface message;
606 Home AAA收到后,若解析到其中包括MS的定位能力信息,则把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从Home AAA获取MS的定位能力信息,值得说明的是,若是采用计费请求消息来实现此功能,需要把只传送MS定位能力信息的消息与实际真正的计费请求消息区分开来,具体区分方法本发明中不限定,本领域的普通技术人员可以自行选择和设计,只要达到对AAA可以区分传送MS定位能力信息的计费请求消息并不进行计费即可。然后向锚认证实体发送相应的响应消息;606 After the Home AAA receives it, if it resolves to include the positioning capability information of the MS, add or update this information to the attribute or information list of the MS, so that the MS can be obtained from the Home AAA during the positioning service initiated Positioning capability information, it is worth noting that if the charging request message is used to realize this function, it is necessary to distinguish the message that only transmits the MS positioning capability information from the actual real charging request message. The specific distinguishing method is not limited in the present invention. , those skilled in the art can choose and design by themselves, as long as the AAA can distinguish and transmit the charging request message of the MS positioning capability information without charging. Then send a corresponding response message to the anchor authentication entity;
607 锚寻呼控制器向服务BS发送位置更新响应;607 The anchor paging controller sends a location update response to the serving BS;
608 服务BS向MS通过空中接口发送测距响应;608 The serving BS sends a ranging response to the MS through the air interface;
609 服务BS向ASN GW发送位置更新确认消息;609 The serving BS sends a location update confirmation message to the ASN GW;
610 ASN GW向锚寻呼控制器发送位置更新确认消息;610 ASN GW sends a location update confirmation message to the anchor paging controller;
MS开机后处于ACTIVE状态时MS定位能力改变时利用计费事件通知过程进行MS定位协商的信令过程如图7所示,包括步骤:Figure 7 shows the signaling process of MS positioning negotiation using the charging event notification process when the MS positioning capability changes when the MS is in the ACTIVE state after power-on, including steps:
701 MS开机后处于ACTIVE状态,MS的定位能力发生了改变;701 The MS is in the ACTIVE state after being turned on, and the positioning capability of the MS has changed;
702 由于MS的定位能力发生改变,MS通过空中接口向服务BS发送计费启动触发消息,其中携带更新的携带MS的定位能力信息;702 Due to the change of the positioning capability of the MS, the MS sends a charging start trigger message to the serving BS through the air interface, which carries the updated positioning capability information of the MS;
703 服务BS向位于锚ASN的锚寻认证实体或者是AAA客户端发送计费请求,其中携带更新的携带MS的定位能力信息;703 The serving BS sends a charging request to the anchor authentication entity located in the anchor ASN or the AAA client, which carries the updated positioning capability information of the MS;
704 锚认证实体获得MS的定位能力信息后,通过R3接口消息发送给Home AAA,为减少对现有规范的修改,本发明建议不为仅实现此功能而添加新的R3接口消息,而是利用现有的R3接口消息,可以利用现有的计费请求消息,在其中添加一个新的参数,即MS的定位能力信息,或者使用为LBS添加的消息,如定位请求或者其他消息。本领域的普通技术人员也可以选择其他现有的R3接口消息添加一个新的参数,即MS的定位能力信息,或者也可以使用新的R3接口消息;704 After the anchor authentication entity obtains the positioning capability information of the MS, it sends it to the Home AAA through the R3 interface message. In order to reduce the modification of the existing specifications, the present invention proposes not to add a new R3 interface message just to realize this function, but to use The existing R3 interface message can use the existing charging request message to add a new parameter, that is, the location capability information of the MS, or use a message added for LBS, such as a location request or other messages. Those of ordinary skill in the art may also select other existing R3 interface messages to add a new parameter, that is, the location capability information of the MS, or may also use a new R3 interface message;
705 Home AAA收到后,若解析到其中包括MS的定位能力信息,则把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从Home AAA获取MS的定位能力信息,值得说明的是,若是采用计费请求消息来实现此功能,需要把只传送MS定位信息的消息与实际真正的计费请求消息区分开来,具体区分方法本发明中不限定,本领域的普通技术人员可以自行选择和设计,只要达到对AAA可以区分传送MS定位信息的计费请求消息并不进行计费即可。然后向锚认证实体发送相应的响应消息;705 After the Home AAA receives it, if it resolves to include the positioning capability information of the MS, then add or update this information to the attribute or information list of the MS, so that the MS can be obtained from the Home AAA during the positioning service initiated Positioning capability information, it is worth noting that if the charging request message is used to implement this function, it is necessary to distinguish the message that only transmits the MS positioning information from the actual real charging request message. The specific method for distinguishing is not limited in the present invention. Those skilled in the art can choose and design by themselves, as long as the AAA can distinguish and send the charging request message of MS location information without charging. Then send a corresponding response message to the anchor authentication entity;
706 锚认证实体向服务BS发送计费响应。706 The anchor authentication entity sends a charging response to the serving BS.
MS开机后,若通过篮牙或者USB口或者其他方式外接了GPS接收模块或者其他定位模块,MS的定位能力即发生了改变,在这种情况下,利用重认证进行的MS定位协商的信令过程(通过添加MS的定位能力信息在EAP PAYLOAD)如图8所示,包括步骤:After the MS is turned on, if a GPS receiving module or other positioning modules are connected externally through the Bluetooth or USB port or other methods, the positioning capability of the MS will change. In this case, the MS positioning negotiation signaling using re-authentication The process (by adding the positioning capability information of the MS in the EAP PAYLOAD) is shown in Figure 8, including steps:
801 MS开机后,MS的定位能力发生了改变;801 After the MS is turned on, the positioning capability of the MS has changed;
802 MS触发重认证过程,并携带其原因值为MS定位能力的改变,在传送的消息中携带LBS能力改变标志指示重认证是由于MS定位能力的改变触发的;802 The MS triggers the re-authentication process, and carries its reason value as the change of the MS positioning capability, and carries the LBS capability change flag in the transmitted message to indicate that the re-authentication is triggered by the change of the MS positioning capability;
803 MS与Home AAA之间端到端EAP认证过程,其中在MS发送到Home AAA的EAPPAYLOAD消息中携带MS的定位能力信息(比如通过增加EAP-AKA,EAP-TTLS的属性值和AVP值,传送MS的定位能力信息)Home AAA收到后,把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从HomeAAA获取MS的定位能力信息,根据传送的消息中携带LBS能力改变标志确定跳过执行PKMv2协商过程;803 The end-to-end EAP authentication process between the MS and the Home AAA, wherein the EAPPAYLOAD message sent by the MS to the Home AAA carries the positioning capability information of the MS (for example, by adding the attribute value and AVP value of EAP-AKA, EAP-TTLS, and transmitting MS positioning capability information) After Home AAA receives this information, add or update this information to the attributes or information list of this MS, so that the positioning capability information of MS can be obtained from HomeAAA during the process of initiating positioning services, and according to the transmitted message carry the LBS capability change flag to determine to skip the execution of the PKMv2 negotiation process;
804 重认证过程结束。804 The re-authentication process is over.
MS开机后,若通过篮牙或者USB口或者其他方式外接了GPS接收模块或者其他定位模块,MS的定位能力即发生了改变,在这种情况下,利用重认证进行的MS定位协商的信令过程(通过添加MS的定位能力信息在EAP NAI)如图9所示,包括步骤:After the MS is turned on, if a GPS receiving module or other positioning modules are connected externally through the Bluetooth or USB port or other methods, the positioning capability of the MS will change. In this case, the MS positioning negotiation signaling using re-authentication The process (by adding the positioning capability information of the MS in the EAP NAI) is shown in Figure 9, including steps:
901 MS开机后,MS的定位能力发生了改变;901 After the MS is turned on, the positioning capability of the MS has changed;
902 MS触发重认证过程,并携带其原因值为MS定位能力的改变,在传送的消息中携带LBS能力改变标志指示重认证是由于MS定位能力的改变触发的;902 MS triggers the re-authentication process, and carries its cause value as the change of MS positioning capability, and carries the LBS capability change flag in the transmitted message to indicate that the re-authentication is triggered by the change of MS positioning capability;
903 MS与Home AAA之间端到端EAP认证过程,其中在MS发送到Home AAA的EAP NAI消息中携带MS的定位能力信息,比如修改NAI中WiMAX-decoration部分,例如添加{LBS=1...n}的字段,根据NAI中携带的信息,认证客户端封装MS的定位能力信息于认证消息中,Home AAA收到后,把此信息添加或者更新到此MS的属性或者信息列表中,以便为发起的定位业务过程中可以从Home AAA获取MS的定位能力信息,,根据传送的消息中携带LBS能力改变标志确定跳过执行PKMv2协商过程;903 The end-to-end EAP authentication process between MS and Home AAA, in which the EAP NAI message sent by MS to Home AAA carries the positioning capability information of MS, such as modifying the WiMAX-decoration part of NAI, such as adding {LBS=1.. .n} field, according to the information carried in the NAI, the authentication client encapsulates the location capability information of the MS in the authentication message. After Home AAA receives this information, it adds or updates this information to the attribute or information list of the MS, so that In the process of initiating the positioning service, the positioning capability information of the MS can be obtained from the Home AAA, and the PKMv2 negotiation process can be skipped according to the LBS capability change flag carried in the transmitted message;
904 重认证过程结束。904 The re-authentication process ends.
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CN1992659A (en) * | 2005-12-28 | 2007-07-04 | 华为技术有限公司 | Method of implementing data lossless transmission in the process of R3 re-anchoring |
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