CN106612545A - Paging method, P-CSCF, S-GW and paging network system - Google Patents
Paging method, P-CSCF, S-GW and paging network system Download PDFInfo
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Abstract
本发明公开了一种寻呼方法、P-CSCF、S-GW以及寻呼网络系统，其寻呼方法包括：接收携带有第一呼叫业务类型的第一呼叫连接请求；根据预先设定的呼叫业务类型与分配/保留优先级ARP参数的对应关系，确定与第一呼叫连接请求对应的第一ARP参数；将第一呼叫连接请求以及对应的第一ARP参数发送至服务网关节点S-GW，以使S-GW根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。本发明通过预先设置同一承载下不同业务与ARP参数的对应关系，在被呼叫时，可根据不同业务配置不同的ARP参数，通过ARP参数标识不同业务的优先级，使得在同一承载下的不同业务有不同的优先级，进而实现在同一承载下不同的业务类型具有不同的呼叫策略。
The invention discloses a paging method, P-CSCF, S-GW and paging network system. The paging method includes: receiving a first call connection request carrying a first call service type; The corresponding relationship between the service type and the allocation/reservation priority ARP parameter, determine the first ARP parameter corresponding to the first call connection request; send the first call connection request and the corresponding first ARP parameter to the serving gateway node S-GW, So that the S-GW sets the call priority for the first call connection request according to the first ARP parameter. The present invention pre-sets the corresponding relationship between different services and ARP parameters under the same bearer. There are different priorities, so that different service types have different call policies under the same bearer.
Description
技术领域technical field
本发明涉及移动通信技术领域，尤其涉及一种寻呼方法、P-CSCF、S-GW以及寻呼网络系统。The invention relates to the technical field of mobile communication, in particular to a paging method, P-CSCF, S-GW and a paging network system.
背景技术Background technique
在现有的EPC网络中，用户处于空闲状态下，当服务网关节点(S-GW，Serving Gateway)收到下行数据包或者消息时，S-GW缓存数据包和消息，继而向网络控制节点(MME，Mobility Management Entity)发起下行数据包，触发MME发起寻呼过程。其中，S-GW接收到的上述消息中携带有分配/保留优先级(ARP，Allocation/Retention Priority)参数，MME根据该ARP确定寻呼策略，该ARP参数设置为：In the existing EPC network, when the user is in an idle state, when the serving gateway node (S-GW, Serving Gateway) receives a downlink data packet or message, the S-GW caches the data packet and message, and then sends the network control node ( MME, Mobility Management Entity) initiates a downlink data packet, triggering the MME to initiate a paging process. Wherein, the above message received by the S-GW carries an Allocation/Retention Priority (ARP, Allocation/Retention Priority) parameter, and the MME determines a paging strategy according to the ARP, and the ARP parameter is set to:
收到下行数据包的承载ARP参数，如果多个承载中都收到了该下行数据包，则该ARP参数具有最高优先级；The bearer ARP parameter of the downlink data packet is received. If the downlink data packet is received in multiple bearers, the ARP parameter has the highest priority;
收到的下行消息中携带有ARP参数，则将该ARP参数发送至MME；或者收到的下行消息中未携带ARP参数，则将S-GW上行文中保存的ARP参数发送至MME。If the received downlink message carries the ARP parameter, then send the ARP parameter to the MME; or if the received downlink message does not carry the ARP parameter, then send the ARP parameter saved in the S-GW uplink to the MME.
可以看出，目前MME的寻呼只根据收到的下行数据包的承载优先级来设置的，然而在一个承载上的不同业务，可能需要不同的寻呼优先级，比如对于IP多媒体子系统(IMS，IP Multimedia Subsystem)业务，服务质量等级标识(QCI，QoS Class Identifier)＝5，ARP参数设置为1，那么无论是什么业务，MME的寻呼策略是一样的，但是，运营商可能需要对话音业务希望有更高一点的寻呼优先级，而对基于IMS的短信希望有更低一点的寻呼优先级，而目前的技术无法区分在同一承载上不同业务的优先级。It can be seen that the current paging of the MME is only set according to the bearer priority of the received downlink data packet. However, different services on a bearer may require different paging priorities. For example, for the IP Multimedia Subsystem ( IMS, IP Multimedia Subsystem) service, quality of service class identifier (QCI, QoS Class Identifier) = 5, ARP parameter is set to 1, then no matter what the service is, the paging policy of the MME is the same, but the operator may need to talk Voice services require a higher paging priority, while IMS-based short messages require a lower paging priority, but the current technology cannot distinguish the priorities of different services on the same bearer.
发明内容Contents of the invention
为了解决上述技术问题，本发明提供了一种寻呼方法、P-CSCF、S-GW以及寻呼网络系统，解决了现有技术中区分在同一承载上不同业务的优先级，导致同一承载上不同业务之间寻呼策略一样的问题。In order to solve the above technical problems, the present invention provides a paging method, P-CSCF, S-GW and paging network system, which solves the problem of distinguishing the priorities of different services on the same bearer in the prior art, resulting in The problem of the same paging strategy among different services.
依据本发明的一个方面，提供了一种寻呼方法，包括：According to one aspect of the present invention, a paging method is provided, including:
接收携带有第一呼叫业务类型的第一呼叫连接请求；receiving a first call connection request carrying a first call service type;
根据预先设定的呼叫业务类型与分配/保留优先级ARP参数的对应关系，确定与第一呼叫连接请求对应的第一ARP参数；其中，ARP参数用于标识业务寻呼优先级；Determine the first ARP parameter corresponding to the first call connection request according to the preset correspondence between the call service type and the allocation/reservation priority ARP parameter; wherein, the ARP parameter is used to identify the service paging priority;
将第一呼叫连接请求以及对应的第一ARP参数发送至服务网关节点S-GW，以使S-GW根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。Sending the first call connection request and the corresponding first ARP parameter to the serving gateway node S-GW, so that the S-GW sets the call priority for the first call connection request according to the first ARP parameter.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的服务质量等级标识QCI参数。Wherein, the first call connection request further includes a QCI parameter of the first call service type.
依据本发明的再一个方面，还提供了一种寻呼方法，包括：According to still another aspect of the present invention, a paging method is also provided, including:
接收代理呼叫会话控制节点P-CSCF发送的第一呼叫连接请求以及对应的第一ARP参数；其中，第一呼叫连接请求中携带有第一呼叫业务类型，第一ARP参数是P-CSCF根据第一呼叫连接请求，以及预先设定的呼叫业务类型与ARP参数的对应关系确定的；Receive the first call connection request sent by the proxy call session control node P-CSCF and the corresponding first ARP parameter; wherein, the first call connection request carries the first call service type, and the first ARP parameter is the P-CSCF according to the first ARP parameter A call connection request, determined by the correspondence between the preset call service type and the ARP parameter;
根据第一ARP参数为第一呼叫连接请求设置呼叫优先级；Setting call priority for the first call connection request according to the first ARP parameter;
向网络控制节点MME发送第一呼叫连接请求的呼叫优先级，以使MME根据呼叫优先级响应第一呼叫连接请求。Send the call priority of the first call connection request to the network control node MME, so that the MME responds to the first call connection request according to the call priority.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的QCI参数，寻呼方法还包括：Wherein, the QCI parameter of the first call service type is also included in the first call connection request, and the paging method also includes:
根据预先设定的OCI参数与业务寻呼优先级的对应关系，确定第一呼叫连接请求的候选呼叫优先级；According to the corresponding relationship between the preset OCI parameter and the service paging priority, determine the candidate call priority of the first call connection request;
根据第一ARP参数，调整该候选优先级；adjusting the candidate priority according to the first ARP parameter;
将调整后的候选优先级确定为第一呼叫连接请求的呼叫优先级。The adjusted candidate priority is determined as the call priority of the first call connection request.
依据本发明的再一个方面，还提供了一种代理呼叫会话控制节点P-CSCF，包括：According to still another aspect of the present invention, a proxy call session control node P-CSCF is also provided, including:
第一接收模块，用于接收携带有第一呼叫业务类型的第一呼叫连接请求；A first receiving module, configured to receive a first call connection request carrying a first call service type;
第一匹配模块，用于根据预先设定的呼叫业务类型与分配/保留优先级ARP参数的对应关系，确定与第一呼叫连接请求对应的第一ARP参数；其中，ARP参数用于标识业务寻呼优先级；The first matching module is used to determine the first ARP parameter corresponding to the first call connection request according to the preset correspondence between the call service type and the allocation/reservation priority ARP parameter; wherein, the ARP parameter is used to identify the service search call priority;
第一发送模块，用于将第一呼叫连接请求以及对应的第一ARP参数发送至服务网关节点S-GW，以使S-GW根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。The first sending module is configured to send the first call connection request and the corresponding first ARP parameter to the serving gateway node S-GW, so that the S-GW sets the call priority for the first call connection request according to the first ARP parameter.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的服务质量等级标识QCI参数。Wherein, the first call connection request further includes a QCI parameter of the first call service type.
依据本发明的再一个方面，还提供了一种服务网关节点S-GW，包括：According to another aspect of the present invention, a serving gateway node S-GW is also provided, including:
第二接收模块，用于接收代理呼叫会话控制节点P-CSCF发送的第一呼叫连接请求以及对应的第一ARP参数；其中，第一呼叫连接请求中携带有第一呼叫业务类型，第一ARP参数是P-CSCF根据第一呼叫连接请求，以及预先设定的呼叫业务类型与ARP参数的对应关系确定的；The second receiving module is configured to receive the first call connection request sent by the proxy call session control node P-CSCF and the corresponding first ARP parameter; wherein, the first call connection request carries the first call service type, the first ARP The parameter is determined by the P-CSCF according to the first call connection request and the preset correspondence between the call service type and the ARP parameter;
配置模块，用于根据第一ARP参数为第一呼叫连接请求设置呼叫优先级；A configuration module, configured to set call priority for the first call connection request according to the first ARP parameter;
第二发送模块，用于向网络控制节点MME发送第一呼叫连接请求的呼叫优先级，以使MME根据呼叫优先级响应第一呼叫连接请求。The second sending module is configured to send the call priority of the first call connection request to the network control node MME, so that the MME responds to the first call connection request according to the call priority.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的QCI参数，服务网关节点还包括：Wherein, the QCI parameter of the first call service type is also included in the first call connection request, and the serving gateway node also includes:
第二匹配模块，用于根据预先设定的OCI参数与业务寻呼优先级的对应关系，确定第一呼叫连接请求的候选呼叫优先级；The second matching module is used to determine the candidate call priority of the first call connection request according to the corresponding relationship between the preset OCI parameter and the service paging priority;
调整模块，用于根据第一ARP参数，调整候选优先级；An adjustment module, configured to adjust the candidate priority according to the first ARP parameter;
确定模块，用于将调整后的候选优先级确定为第一呼叫连接请求的呼叫优先级。A determining module, configured to determine the adjusted candidate priority as the call priority of the first call connection request.
依据本发明的再一个方面，还提供了一种寻呼网络系统，该寻呼网络系统包括：如上所述的代理呼叫会话控制节点P-CSCF和服务网关节点S-GW。According to still another aspect of the present invention, a paging network system is also provided, and the paging network system includes: the P-CSCF and the serving gateway node S-GW as described above.
本发明的实施例的有益效果是：The beneficial effects of the embodiments of the present invention are:
通过预先设置同一承载下不同业务与ARP参数的对应关系，在被呼叫时，可根据不同业务配置不同的ARP参数，通过ARP参数标识不同业务的优先级，使得在同一承载下的不同业务有不同的优先级，进而实现在同一承载下不同的业务类型具有不同的呼叫策略。By pre-setting the corresponding relationship between different services and ARP parameters under the same bearer, when called, different ARP parameters can be configured according to different services, and the priorities of different services can be identified through ARP parameters, so that different services under the same bearer have different Priority, so as to realize that different service types have different call policies under the same bearer.
附图说明Description of drawings
图1表示本发明的寻呼方法P-CSCF侧的流程示意图；Fig. 1 shows the schematic flow chart of the P-CSCF side of the paging method of the present invention;
图2表示本发明的寻呼方法S-GW侧的流程示意图；FIG. 2 shows a schematic flow diagram of the S-GW side of the paging method of the present invention;
图3表示本发明P-CSCF的模块示意图；Fig. 3 shows the module schematic diagram of P-CSCF of the present invention;
图4表示本发明的S-GW的模块示意图；FIG. 4 shows a schematic diagram of modules of the S-GW of the present invention;
图5表示本发明寻呼网络系统的网络架构示意图。FIG. 5 shows a schematic diagram of the network architecture of the paging network system of the present invention.
具体实施方式detailed description
下面将参照附图更详细地描述本发明的示例性实施例。虽然附图中显示了本发明的示例性实施例，然而应当理解，可以以各种形式实现本发明而不应被这里阐述的实施例所限制。相反，提供这些实施例是为了能够更透彻地理解本发明，并且能够将本发明的范围完整的传达给本领域的技术人员。Exemplary embodiments of the present invention will be described in more detail below with reference to the accompanying drawings. Although exemplary embodiments of the present invention are shown in the drawings, it should be understood that the invention may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided for more thorough understanding of the present invention and to fully convey the scope of the present invention to those skilled in the art.
实施例一Embodiment one
本发明实施例应用于分组核心网(EPC，Evolved Packet Core)网络中，用户处于空闲状态时，即用户处于被叫状态的场景下。其中，EPC网络系统中包括：演进型基站(eNodeB，Evolved Node B)、网络控制节点(MME)、服务网关节点(S-GW)、网关节点(P-GW，PDN GateWay)和代理呼叫会话控制节点P-CSCF。如图1所示，本发明的实施例提供了一种寻呼方法，应用于P-CSCF节点上，具体包括以下步骤：The embodiment of the present invention is applied in a packet core network (EPC, Evolved Packet Core) network, when the user is in an idle state, that is, the user is in a called state. Among them, the EPC network system includes: evolved base station (eNodeB, Evolved Node B), network control node (MME), serving gateway node (S-GW), gateway node (P-GW, PDN GateWay) and proxy call session control Node P-CSCF. As shown in Figure 1, the embodiment of the present invention provides a kind of paging method, is applied on the P-CSCF node, specifically comprises the following steps:
步骤10：接收携带有第一呼叫业务类型的第一呼叫连接请求。Step 10: Receive a first call connection request carrying a first call service type.
其中，第一呼叫连接请求是由主叫方用户发送的；第一呼叫连接请求中携带有对应的呼叫业务类型，例如：主叫方对被叫方发起QQ语音呼叫或微信语音呼叫。Wherein, the first call connection request is sent by the calling party user; the first call connection request carries the corresponding call service type, for example: the calling party initiates a QQ voice call or a WeChat voice call to the called party.
步骤20：根据预先设定的呼叫业务类型与分配/保留优先级ARP参数的对应关系，确定与第一呼叫连接请求对应的第一ARP参数。Step 20: Determine the first ARP parameter corresponding to the first call connection request according to the preset correspondence between the call service type and the allocation/reservation priority ARP parameter.
这里指的是，ARP参数用于标识业务寻呼优先级。在P-CSCF节点中预先配置不同的呼叫业务类型与ARP参数之间的对应关系，例如：QQ语音呼叫业务对应的ARP参数为1，微信语音呼叫业务对应的ARP参数为0，这样，在同一承载下的不同业务将具有不同的ARP参数，根据预设的呼叫业务类型与ARP参数的对应关系，可确定第一呼叫连接请求中第一呼叫业务类型所对应的第一ARP参数。值得指出的是，不同的呼叫业务类型与ARP参数之间的对应关系可根据实际业务需求设置。It means here that the ARP parameter is used to identify the service paging priority. The corresponding relationship between different call service types and ARP parameters is pre-configured in the P-CSCF node. For example, the ARP parameter corresponding to the QQ voice call service is 1, and the ARP parameter corresponding to the WeChat voice call service is 0. In this way, in the same Different services under the bearer will have different ARP parameters, and the first ARP parameter corresponding to the first call service type in the first call connection request can be determined according to the preset correspondence between call service types and ARP parameters. It is worth pointing out that the corresponding relationship between different call service types and ARP parameters can be set according to actual service requirements.
步骤30：将第一呼叫连接请求以及对应的第一ARP参数发送至服务网关节点S-GW。Step 30: Send the first call connection request and the corresponding first ARP parameter to the serving gateway node S-GW.
这里是指在发送第一呼叫连接请求时，也会向S-GW节点发送与该第一呼叫连接请求对应的第一ARP参数，以使S-GW根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。Here it means that when the first call connection request is sent, the first ARP parameter corresponding to the first call connection request will also be sent to the S-GW node, so that the S-GW sends the first call connection request according to the first ARP parameter. Set call priority.
其中，值得指出的是第一呼叫连接请求中还包括第一呼叫业务类型的服务质量等级标识QCI参数。这里，QCI参数应用于业务承载上，用于指定访问节点内定义的控制承载级分组转发方式，现有标准中定义了不同QCI参数值对应的不同优先级。Wherein, it is worth noting that the first call connection request also includes a QCI parameter of the first call service type. Here, the QCI parameter is applied to the service bearer, and is used to specify the control bearer-level packet forwarding mode defined in the access node. Different priorities corresponding to different QCI parameter values are defined in existing standards.
通过预先设置同一承载下不同业务与ARP参数的对应关系，在被呼叫时，可根据不同业务配置不同的ARP参数，通过ARP参数标识不同业务的优先级，使得在同一承载下的不同业务有不同的优先级，进而实现在同一承载下不同的业务类型具有不同的呼叫策略。By pre-setting the corresponding relationship between different services and ARP parameters under the same bearer, when called, different ARP parameters can be configured according to different services, and the priorities of different services can be identified through ARP parameters, so that different services under the same bearer have different Priority, so as to realize that different service types have different call policies under the same bearer.
依据本发明实施例一的再一个方面，还提供了一种代理呼叫会话控制节点P-CSCF，如图2所示，该P-CSCF节点具体包括：According to yet another aspect of Embodiment 1 of the present invention, a proxy call session control node P-CSCF is also provided. As shown in FIG. 2 , the P-CSCF node specifically includes:
第一接收模块101，用于接收携带有第一呼叫业务类型的第一呼叫连接请求；The first receiving module 101 is configured to receive a first call connection request carrying a first call service type;
第一匹配模块201，用于根据预先设定的呼叫业务类型与分配/保留优先级ARP参数的对应关系，确定与第一呼叫连接请求对应的第一ARP参数；其中，ARP参数用于标识业务寻呼优先级；The first matching module 201 is configured to determine the first ARP parameter corresponding to the first call connection request according to the preset correspondence between the call service type and the allocation/reservation priority ARP parameter; wherein, the ARP parameter is used to identify the service paging priority;
第一发送模块301，用于将第一呼叫连接请求以及对应的第一ARP参数发送至服务网关节点S-GW，以使S-GW根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。The first sending module 301 is configured to send the first call connection request and the corresponding first ARP parameter to the serving gateway node S-GW, so that the S-GW sets the call priority for the first call connection request according to the first ARP parameter .
其中，第一呼叫连接请求中还包括第一呼叫业务类型的服务质量等级标识QCI参数。Wherein, the first call connection request further includes a QCI parameter of the first call service type.
需要说明的是，该P-CSCF节点是与上述寻呼方法对应，上述寻呼方法实施例中所有实现方式均适用于该P-CSCF节点的实施例中，也能达到相同的技术效果。It should be noted that the P-CSCF node corresponds to the above-mentioned paging method, and all implementation modes in the above-mentioned paging method embodiment are applicable to the embodiment of the P-CSCF node, and can also achieve the same technical effect.
实施例二Embodiment two
以上从P-CSCF节点介绍了被叫方的寻呼方法的具体实现方式，下面将结合图3从S-GW节点介绍该寻呼方法，具体包括：The specific implementation of the paging method of the called party is introduced above from the P-CSCF node, and the paging method will be introduced from the S-GW node in conjunction with Figure 3 below, specifically including:
步骤11：接收代理呼叫会话控制节点P-CSCF发送的第一呼叫连接请求以及对应的第一ARP参数。Step 11: Receive the first call connection request and the corresponding first ARP parameter sent by the proxy call session control node P-CSCF.
其中，第一呼叫连接请求中携带有第一呼叫业务类型，第一ARP参数是P-CSCF根据第一呼叫连接请求，以及预先设定的呼叫业务类型与ARP参数的对应关系确定的。也就是说P-CSCF节点不会直接将第一呼叫连接请求发送至S-GW节点，而是根据第一呼叫连接请求中的第一呼叫业务类型配置第一ARP参数后，在发送第一呼叫连接请求的同时也发送了第一ARP参数。其中，ARP参数用于标识业务寻呼优先级。Wherein, the first call connection request carries the first call service type, and the first ARP parameter is determined by the P-CSCF according to the first call connection request and the preset correspondence between the call service type and the ARP parameter. That is to say, the P-CSCF node will not directly send the first call connection request to the S-GW node, but configures the first ARP parameter according to the first call service type in the first call connection request, and sends the first call The first ARP parameter is also sent with the connection request. Wherein, the ARP parameter is used to identify the service paging priority.
步骤21：根据第一ARP参数为第一呼叫连接请求设置呼叫优先级。Step 21: Set call priority for the first call connection request according to the first ARP parameter.
其中，在S-GW节点中预先设置好ARP参数与呼叫优先级之间的对应关系，可选取ARP参数值越高对应的呼叫优先级越高的规则，亦或其他对应规则。例如上述举例的：QQ语音呼叫业务对应的ARP参数为1，微信语音呼叫业务对应的ARP参数为0，对应规则为：ARP参数值越高对应的呼叫优先级越高，那就是说，当被叫用户同时有QQ语音呼叫业务接入和微信语音呼叫业务接入，由于QQ语音呼叫业务对应的ARP参数高，也就是说QQ语音呼叫业务的优先级高。Wherein, the corresponding relationship between the ARP parameter and the call priority is preset in the S-GW node, and a rule that a higher ARP parameter value corresponds to a higher call priority, or other corresponding rules can be selected. For example, in the above example: the ARP parameter corresponding to the QQ voice call service is 1, and the ARP parameter corresponding to the WeChat voice call service is 0. The corresponding rule is: the higher the ARP parameter value, the higher the corresponding call priority. Calling users have QQ voice call service access and WeChat voice call service access at the same time, because the ARP parameter corresponding to the QQ voice call service is high, that is to say, the priority of the QQ voice call service is high.
步骤31：向网络控制节点MME发送第一呼叫连接请求的呼叫优先级。Step 31: Send the call priority of the first call connection request to the network control node MME.
这里，向MME发送第一呼叫连接请求的呼叫优先级，以使MME根据呼叫优先级响应第一呼叫连接请求，进而建立与被叫方之间的呼叫连接。例如：当被叫用户同时有QQ语音呼叫业务接入和微信语音呼叫业务接入，由于QQ语音呼叫业务对应的ARP参数高，也就是说QQ语音呼叫业务的优先级高，这时MME会根据呼叫优先级的不同，优先建立QQ语音呼叫业务的呼叫连接。Here, the call priority of the first call connection request is sent to the MME, so that the MME responds to the first call connection request according to the call priority, and then establishes a call connection with the called party. For example: when the called user has QQ voice call service access and WeChat voice call service access at the same time, because the ARP parameter corresponding to the QQ voice call service is high, that is to say, the priority of the QQ voice call service is high. The call priority is different, and the call connection of the QQ voice call service is established first.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的QCI参数，寻呼方法还包括：Wherein, the QCI parameter of the first call service type is also included in the first call connection request, and the paging method also includes:
根据预先设定的OCI参数与业务寻呼优先级的对应关系，确定第一呼叫连接请求的候选呼叫优先级；According to the corresponding relationship between the preset OCI parameter and the service paging priority, determine the candidate call priority of the first call connection request;
根据第一ARP参数，调整该候选优先级；adjusting the candidate priority according to the first ARP parameter;
将调整后的候选优先级确定为第一呼叫连接请求的呼叫优先级。The adjusted candidate priority is determined as the call priority of the first call connection request.
这里是说，在第一呼叫连接请求中已携带标识业务类型优先级的QCI参数，且同一承载下的QCI参数的设置值相同，例如：IMS业务的QCI参数的值为5，对应的优先级的值为1；话音业务的QCI参数的值为6，对应的优先级的值为6；这样可将不同业务承载根据QCI参数的值进行预排序，例如：第一呼叫连接请求为语音业务中的QQ语音呼叫业务，那么根据语音业务得到第一呼叫连接请求的候选优先级。但是在话音业务中包括QQ语音业务或微信语音业务等多种不同业务类型，这时需要根据ARP参数与这些子业务类型的对应关系，确定QQ语音呼叫业务的优先级，以实现对第一呼叫连接请求的呼叫优先级的最终调整，以使MME根据最终调整后的呼叫优先级响应第一呼叫连接请求，建立与被叫方之间的呼叫连接。This means that the first call connection request has carried the QCI parameter identifying the priority of the service type, and the setting value of the QCI parameter under the same bearer is the same, for example: the value of the QCI parameter of the IMS service is 5, and the corresponding priority value of 1; the QCI parameter value of the voice service is 6, and the corresponding priority value is 6; in this way, different service bearers can be pre-sorted according to the value of the QCI parameter, for example: the first call connection request is QQ voice call service, then the candidate priority of the first call connection request is obtained according to the voice service. However, the voice service includes QQ voice service or WeChat voice service and other different service types. At this time, it is necessary to determine the priority of the QQ voice call service according to the corresponding relationship between the ARP parameter and these sub-service types, so as to realize the priority of the first call. The final adjustment of the call priority of the connection request, so that the MME responds to the first call connection request according to the final adjusted call priority, and establishes a call connection with the called party.
通过预先设置同一承载下不同业务与ARP参数的对应关系，在被呼叫时，可根据不同业务配置不同的ARP参数，通过ARP参数标识不同业务的优先级，使得在同一承载下的不同业务有不同的优先级，进而实现在同一承载下不同的业务类型具有不同的呼叫策略。By pre-setting the corresponding relationship between different services and ARP parameters under the same bearer, when called, different ARP parameters can be configured according to different services, and the priorities of different services can be identified through ARP parameters, so that different services under the same bearer have different Priority, so as to realize that different service types have different call policies under the same bearer.
依据本发明实施例的再一个方面，还提供了一种服务网关节点S-GW，如图4所示，该S-GW节点具体包括：According to another aspect of the embodiments of the present invention, a serving gateway node S-GW is also provided. As shown in FIG. 4, the S-GW node specifically includes:
第二接收模块111，用于接收代理呼叫会话控制节点P-CSCF发送的第一呼叫连接请求以及对应的第一ARP参数；其中，第一呼叫连接请求中携带有第一呼叫业务类型，第一ARP参数是P-CSCF根据第一呼叫连接请求，以及预先设定的呼叫业务类型与ARP参数的对应关系确定的；The second receiving module 111 is configured to receive the first call connection request sent by the proxy call session control node P-CSCF and the corresponding first ARP parameter; wherein, the first call connection request carries the first call service type, the first The ARP parameter is determined by the P-CSCF according to the first call connection request and the preset correspondence between the call service type and the ARP parameter;
配置模块211，用于根据第一ARP参数为第一呼叫连接请求设置呼叫优先级；The configuration module 211 is configured to set the call priority for the first call connection request according to the first ARP parameter;
第二发送模块311，用于向网络控制节点MME发送第一呼叫连接请求的呼叫优先级，以使MME根据呼叫优先级响应第一呼叫连接请求。The second sending module 311 is configured to send the call priority of the first call connection request to the network control node MME, so that the MME responds to the first call connection request according to the call priority.
其中，第一呼叫连接请求中还包括第一呼叫业务类型的QCI参数，服务网关节点还包括：Wherein, the QCI parameter of the first call service type is also included in the first call connection request, and the serving gateway node also includes:
第二匹配模块，用于根据预先设定的OCI参数与业务寻呼优先级的对应关系，确定第一呼叫连接请求的候选呼叫优先级；The second matching module is used to determine the candidate call priority of the first call connection request according to the corresponding relationship between the preset OCI parameter and the service paging priority;
调整模块，用于根据第一ARP参数，调整候选优先级；An adjustment module, configured to adjust the candidate priority according to the first ARP parameter;
确定模块，用于将调整后的候选优先级确定为第一呼叫连接请求的呼叫优先级。A determining module, configured to determine the adjusted candidate priority as the call priority of the first call connection request.
需要说明的是，该S-GW节点与上述寻呼方法对应，上述寻呼方法实施例中所有实现方式均适用于该S-GW节点的实施例中，也能达到相同的技术效果。It should be noted that the S-GW node corresponds to the above-mentioned paging method, and all implementation modes in the above-mentioned paging method embodiment are applicable to the embodiment of the S-GW node, and can also achieve the same technical effect.
实施例三Embodiment three
以上从P-CSCF节点和S-GW节点侧介绍了本发明实施例的寻呼方法，下面将结合图5从整个寻呼网络系统方面对该寻呼方法进行介绍。本发明实施例三提供了一种寻呼网络系统，该寻呼网络系统包括：如上所述的代理呼叫会话控制节点P-CSCF和服务网关节点S-GW。此外，该寻呼网络系统还包括：eNodeB、MME和P-GW。其中，The paging method of the embodiment of the present invention is introduced above from the side of the P-CSCF node and the S-GW node, and the paging method will be introduced from the perspective of the entire paging network system in conjunction with FIG. 5 below. Embodiment 3 of the present invention provides a paging network system, which includes: the proxy call session control node P-CSCF and the serving gateway node S-GW as described above. In addition, the paging network system also includes: eNodeB, MME and P-GW. in,
当P-CSCF接收到主叫方发送的第一呼叫连接请求后，根据预先设定的呼叫业务类型与ARP参数的对应关系，确定第一呼叫连接请求对应的第一ARP参数，进而将该第一ARP参数发送至P-GW。After receiving the first call connection request sent by the calling party, the P-CSCF determines the first ARP parameter corresponding to the first call connection request according to the preset correspondence between the call service type and the ARP parameter, and then the second An ARP parameter is sent to the P-GW.
P-GW接收到该第一ARP参数后，将该第一ARP参数转发至S-GW。After receiving the first ARP parameter, the P-GW forwards the first ARP parameter to the S-GW.
当S-GW接收到该第一ARP参数后，根据预先设定的ARP参数与呼叫优先级的对应关系，确定第一呼叫连接请求的呼叫优先级，并将该ARP对应呼叫优先级封装至第一呼叫连接请求对应的下行数据包中。继而将打包好的下行数据包发送至MME。After receiving the first ARP parameter, the S-GW determines the call priority of the first call connection request according to the preset correspondence between the ARP parameter and the call priority, and encapsulates the call priority corresponding to the ARP into the first In the downlink data packet corresponding to a call connection request. Then send the packaged downlink data packet to the MME.
MME接收到携带有呼叫优先级的下行数据包后，根据呼叫优先级，响应第一呼叫连接请求，通过eNodeB建立与被叫方的呼叫连接。After receiving the downlink data packet carrying the call priority, the MME responds to the first call connection request according to the call priority, and establishes a call connection with the called party through the eNodeB.
综上，本发明通过预先设置同一承载下不同业务与ARP参数的对应关系，在被呼叫时，可根据不同业务配置不同的ARP参数，通过ARP参数标识不同业务的优先级，使得在同一承载下的不同业务有不同的优先级，进而实现在同一承载下不同的业务类型具有不同的呼叫策略。To sum up, the present invention pre-sets the corresponding relationship between different services and ARP parameters under the same bearer. Different services have different priorities, so that different service types have different call policies under the same bearer.
以上所述的是本发明的优选实施方式，应当指出对于本技术领域的普通人员来说，在不脱离本发明所述的原理前提下还可以作出若干改进和润饰，这些改进和润饰也在本发明的保护范围内。What has been described above is a preferred embodiment of the present invention. It should be pointed out that for those skilled in the art, some improvements and modifications can also be made without departing from the principles described in the present invention. within the scope of protection of the invention.
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