WO2017000107A1 - 寻呼消息的流控方法、装置和系统 - Google Patents

寻呼消息的流控方法、装置和系统 Download PDF

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Publication number
WO2017000107A1
WO2017000107A1 PCT/CN2015/082622 CN2015082622W WO2017000107A1 WO 2017000107 A1 WO2017000107 A1 WO 2017000107A1 CN 2015082622 W CN2015082622 W CN 2015082622W WO 2017000107 A1 WO2017000107 A1 WO 2017000107A1
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Prior art keywords
paging message
operator
network element
flow control
ran network
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PCT/CN2015/082622
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English (en)
French (fr)
Inventor
陈俊青
徐东兴
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华为技术有限公司
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Application filed by 华为技术有限公司 filed Critical 华为技术有限公司
Priority to CN201580042124.9A priority Critical patent/CN106576080B/zh
Priority to PCT/CN2015/082622 priority patent/WO2017000107A1/zh
Publication of WO2017000107A1 publication Critical patent/WO2017000107A1/zh

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  • the embodiments of the present invention relate to communication technologies, and in particular, to a flow control method, apparatus, and system for paging messages.
  • a paging message sent by a core network (CN) network element to a radio access network (RAN) network element is a start message of a terminal network access process, and triggers a subsequent series of signaling. Process. If a large number of terminals are triggered to access the network at the same time, it will bring a lot of overhead to the entire system. With the popularization and development of wireless communication, the probability of occurrence of signaling surface storm scenarios is increasing, and the flow control mechanism for paging messages is crucial to system reliability.
  • the current paging message flow control mechanism is in the scenario where the system signaling plane is overloaded. By controlling the flow of the paging message, the system load is controlled to ensure the services of the networked terminal, thereby improving the reliability of the system.
  • this mechanism is applied to the multi-operator core network (MOCN) networking scenario, the fairness of each operator's service cannot be guaranteed.
  • MOCN multi-operator core network
  • the embodiment of the invention provides a flow control method, device and system for paging messages, so as to improve the fairness of each operator's service under the MOCN networking.
  • an embodiment of the present invention provides a flow control method for a paging message, which is applied to a carrier core network (MOCN) system, where the MOCN system includes a radio access network (RAN) network element and multiple operators. a core network (CN) network element, where the CN network elements of the plurality of operators share the RAN network element, where the RAN network element stores a proportion of resources shared by the plurality of operators between the RAN network elements,
  • the methods include:
  • the RAN network element When the RAN network element is overloaded, the RAN network element performs flow control on the received paging message according to the resource ratio.
  • the ratio of resources indicates a ratio of resources occupied by each operator to the RAN network element, or a ratio of terminals that are broadcast by each operator. example.
  • the RAN network element overload includes a paging message overload; the paging message threshold is less than or equal to the number of paging messages that the RAN network element can process in a predetermined period.
  • the received paging message is flow-control according to the resource ratio, including:
  • the first operator is targeted to the first operator's paging message target value Flow control of paging messages, including:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the paging message of the RAN network element is overloaded If the overload occurs, the paging message of the first operator is continued to be discarded in a stepwise manner, and if not overloaded, the flow control of the paging message is stopped; or
  • the flow control of the received paging message is performed according to the resource ratio, including:
  • the flow control of the paging message is performed on the first carrier by using the difference as the flow control threshold.
  • the flow control of the paging message is performed on the first carrier by using the difference as the flow control threshold, including:
  • the RAN network element overload includes a processor overload.
  • the received paging message is flow-control according to the resource ratio, including:
  • the method before the flow control of the received paging message according to the resource ratio, the method further includes: determining Whether the paging message of the RAN network element is overloaded;
  • the received paging message is flow-controlled according to the resource ratio.
  • the first operator is configured to perform flow control of the paging message, include:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the processor of the RAN network element is overloaded, If the overload occurs, the paging message of the first operator is continued to be discarded in a stepwise manner, and if not overloaded, the flow control of the paging message is stopped.
  • the flow control of the received paging message according to the resource ratio includes:
  • an embodiment of the present invention provides a flow control device for paging messages, which is applied to a carrier core network (MOCN) system, where the MOCN system includes a radio access network (RAN) network element and multiple operators. a core network (CN) network element, where the CN network elements of the plurality of operators share the RAN network element, the device is located in the RAN network element, and the device includes:
  • a storage unit configured to store a proportion of resources of a shared radio access network RAN network element between multiple operators
  • a receiving unit configured to receive a paging message sent by a CN network element of the multiple operators
  • a flow control unit configured to: when the RAN network element is overloaded, perform flow control on the received paging message according to the resource ratio.
  • the resource ratio indicates a ratio of resources occupied by the RAN network element by each operator, or a proportion of terminals that are advertised by each operator.
  • the RAN network element overload includes a paging message overload; the paging message threshold is less than or equal to the number of maximum paging messages that the RAN network element can process in a predetermined period.
  • the method further includes:
  • a determining unit configured to determine, according to the paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, where the method further determines that the number of received paging messages exceeds a paging message.
  • the first operator of the target value configured to determine, according to the paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, where the method further determines that the number of received paging messages exceeds a paging message. The first operator of the target value;
  • the flow control unit is configured to perform flow control of the paging message to the first operator by using a target value of the paging message of the first operator.
  • the flow control unit is configured to:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the paging message of the RAN network element is overloaded If overloaded, continue to discard the paging message of the first operator in a stepwise manner, such as If it is not overloaded, stop the flow control of the paging message; or,
  • the method further includes:
  • a determining unit configured to determine, according to a paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, and determine that the number of paging messages exceeds a first target value of the corresponding paging message.
  • the second carrier that the number of operators and paging messages does not exceed the corresponding paging message target value, and is also used to determine the difference between the paging message threshold of the RAN network element and the paging message of the second operator.
  • the flow control unit is configured to perform flow control of the paging message to the first operator by using the difference as a flow control threshold.
  • the flow control unit is configured to:
  • each first operator flow control target value Determining, according to the flow control threshold and the resource ratio, each first operator flow control target value, and each first operator is more than its flow control target value, when the first operator has multiple The paging message is discarded.
  • the RAN network element overload includes a processor overload.
  • the method further includes:
  • a determining unit configured to determine, according to a paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, and further configured to determine that the number of received paging messages exceeds a paging message target The first operator of the value;
  • the flow control unit is configured to perform flow control of a paging message to the first operator.
  • the method further includes:
  • An overload determining unit configured to determine whether a paging message of the RAN network element is overloaded
  • the flow control unit is configured to: when the overload determining unit determines that the paging message is not overloaded and the processor is overloaded, perform flow control on the received paging message according to the resource ratio.
  • the flow control unit is configured to:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the processor of the RAN network element is overloaded, If the overload occurs, the paging message of the first operator is continued to be discarded in a stepwise manner, and if not overloaded, the flow control of the paging message is stopped.
  • the flow control unit is configured to:
  • an embodiment of the present invention provides a flow control system for paging messages, including: a radio access network RAN network element and a core network CN network element of multiple operators, where the CN network elements of the multiple operators share The RAN network element, the RAN network element includes the flow control device of any one of the possible paging messages of the eleventh aspect of the second aspect, the second aspect to the second aspect.
  • a flow control method, device, and system for paging messages provided by an embodiment of the present invention, by setting a proportion of resources between operators sharing the RAN network element at a RAN network element, and searching for each operator according to the proportion of the resources
  • the call message is separately flow-controlled, so that the flow control of the paging message conforms to the proportion of resources between the operators, thereby improving the fairness of the service.
  • FIG. 1 is a schematic structural diagram of an MOCN system according to an embodiment of the present invention.
  • Embodiment 1 of a flow control method for paging messages according to the present invention
  • Embodiment 3 is a schematic flowchart of Embodiment 2 of a flow control method for paging messages according to the present invention
  • Embodiment 4 is a schematic flowchart of Embodiment 3 of a flow control method for paging messages according to the present invention
  • Embodiment 4 is a schematic flowchart of Embodiment 4 of a flow control method for paging messages according to the present invention
  • Embodiment 5 is a schematic flowchart of Embodiment 5 of a flow control method for paging messages according to the present invention
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a flow control apparatus for paging messages according to the present invention.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a flow control apparatus for paging messages according to the present invention.
  • FIG. 9 is a schematic structural diagram of Embodiment 3 of a flow control apparatus for paging messages according to the present invention.
  • Embodiment 4 is a schematic structural diagram of Embodiment 4 of a flow control apparatus for paging messages according to the present invention.
  • FIG. 11 is a schematic structural diagram of a RAN network element according to an embodiment of the present invention.
  • the MOCN networking is a mechanism in which a multi-operator CN shares a RAN, that is, a RAN can connect to a CN network element of multiple operators.
  • a RAN can be co-established by multiple operators, or one of the operators.
  • the RAN is built separately, while other operators rent the RAN of the operator.
  • FIG. 1 is a schematic structural diagram of an MOCN system according to an embodiment of the present invention.
  • the MOCN system includes CN network elements 12 of at least two operators, which share the RAN network element 11.
  • CN network elements 12 of at least two operators which share the RAN network element 11.
  • two operators A and B are taken as examples, and the scenario of more operators is similar.
  • the RAN network elements shared by multiple operators will uniformly control the flow of paging messages to all operators to control. System load.
  • service asymmetry may occur between multiple operators.
  • the interests of one or some operators may be damaged, and the fairness of services under the MOCN network cannot be guaranteed.
  • the CN of the operator A and the carrier B shown in FIG. 1 share the resources of the RAN.
  • the number of paging messages of the A and B operators is often different, if the paging message is overloaded or completely Most of them are contributed by A.
  • the RAN network element 11 uniformly discards the paging message discarding penalty for the operator A and the operator B, which inevitably damages the interests of the operator B and cannot guarantee the fairness of the service.
  • the present application fully considers the above problem, and sets a proportion of resources between operators sharing the RAN network element at the RAN network element, and respectively performs flow control on the paging messages of each operator according to the proportion of the resources, so that the paging message is obtained.
  • the flow control conforms to the proportion of resources between operators, thereby improving the fairness of the business.
  • the proportion of the above resources is the proportion of resources agreed by each operator, which indicates the proportion of resources that each operator can occupy the RAN network element, or the proportion of terminals that each operator can page.
  • the above flow control method is performed when the RAN network element is overloaded, where the overload may include the processor overload of the RAN network element, and may also include the paging message overload.
  • FIG. 2 is a schematic flowchart diagram of Embodiment 1 of a flow control method for paging messages according to the present invention.
  • the method is applied to a MOCN system, where the MOCN system includes a RAN network element and CN network elements of multiple operators, and the CN network elements of the multiple operators share the RAN network element, and the method is performed by the RAN network element, and The RAN network element stores a proportion of resources shared by the plurality of operators between the RAN network elements.
  • the method in this embodiment may include:
  • Step 201 The RAN network element receives a paging message sent by a CN network element of multiple operators.
  • Step 202 The RAN network element counts the number of received paging messages, where the number of paging messages is the sum of the number of paging messages of each operator.
  • the RAN network element collects the number of all received paging messages.
  • the RAN network element may The total number of paging messages sent by the CN network elements of all operators is directly counted, and the paging messages sent by the CN network elements of each operator are also counted first, and then all received according to the paging messages of the operators are calculated.
  • the sum of the paging messages is not limited by the present invention for specific statistical methods.
  • a period may be set, and the statistics of the paging message are performed within the predetermined period.
  • Step 203 When the received paging message exceeds the paging message threshold of the RAN network element, the RAN network element determines that the paging message is overloaded, and starts flow control on the paging message.
  • the paging message threshold is determined according to the processing capability of the RAN network element for the paging message.
  • the paging message threshold may be equal to the number of maximum paging messages that the RAN network element can process in a predetermined period, or may be smaller than the maximum number of paging messages that the RAN network element can process in a predetermined period.
  • the maximum number of paging messages that the RAN network element can process in a predetermined period is related to the model or related parameters of the RAN network element, wherein the predetermined period may be set according to actual conditions or experience, for example, may be 1s or the like, for the reservation. The specific value of the period is not limited in this embodiment of the present invention.
  • Step 204 The RAN network element performs flow control on the received paging message according to the proportion of the foregoing resources.
  • the operator when the RAN network element determines that the number of received paging messages does not exceed the paging message threshold, the operator can share the paging capability of the RAN network element, so the RAN network element can directly according to each operator.
  • the paging message is used to page the terminal without performing flow control on the paging message.
  • the RAN network element determines that the number of received paging messages exceeds the paging message threshold, it indicates that the paging message overload phenomenon has occurred. At this time, the RAN network element determines the paging message to be discarded according to the preset resource ratio of the RAN network element shared by each operator and the number of paging messages sent by the CN network element of each operator, so as to reach the flow.
  • the proportion of the resources is the proportion of resources agreed by each operator, which indicates the proportion of the resources occupied by the RAN network elements, or the proportion of the terminals that each operator pages, and stores the proportion of the resources in the RAN network element.
  • the overload flow control is performed according to the proportion of the resource to ensure the fairness of the service.
  • the foregoing step 204 that is, the RAN network element performs flow control on the received paging message according to the proportion of the foregoing resources, and may include the following step:
  • Step 2041 Determine a paging message target value of each operator according to a paging message threshold of the RAN network element and a ratio of the foregoing resources.
  • the RAN network element may determine the paging message target value of each operator according to the set resource sharing ratio of each RAN network element and the paging message threshold of the RAN network element. For example, assume that there are two operators A and B in the MOCN network, where the ratio of the resources of the RAN network element shared by the operator A and the operator B is x%: (1-x%), the RAN network element The number of paging messages that can be processed in a predetermined period is P. For convenience of description, in the present invention, P is used as the paging message threshold of the RAN network element, and for the operator A, the paging message target value is P*. x%, for operator B, the target value of the paging message is P*(1-x%). When two or more operators are included in the MOCN network, the method for determining the target value of each operator's paging message is similar to the method for including two carriers, and is not described here.
  • Step 2042 Determine the first operator that the number of received paging messages exceeds the target value of the paging message, where the first carrier may be one or more.
  • Step 2043 Perform flow control of the paging message to the first operator by using the target value of the paging message of the first operator as the target.
  • the flow control in the above step 2043 can be implemented in various ways:
  • the number of paging messages discarded each time may be a set value and remains unchanged; After each discarding, the discarding value is re-adjusted, for example, the number of paging messages discarded for the first time is relatively large, and then the number of discarded paging messages is adjusted according to the overload condition of the paging message, for example, the first discarding Then, the paging message overload of the RAN network element is reduced, and the gap with the paging message threshold is reduced. At this time, the number of paging messages discarded in the next flow control can be reduced, and the flow control of the paging message can be
  • This step-by-step paging message flow control method can maximize the utilization of the resources of the RAN network element. For example, when there are multiple paging messages of the first operator exceeding their paging message target values, and the sum of the paging messages whose exceeding the target value may be greater than the number of overloaded paging messages of the RAN network element, at this time, If the paging message of each first operator exceeding the paging message target value is directly deleted, the resources of the RAN network element will not be maximized, so that some paging messages that can be processed are deleted.
  • the paging message of the first operator's paging message exceeding the paging value of the first operator's paging message is directly discarded.
  • the RAN network element determines whether the number of paging messages of each operator exceeds the corresponding paging message target value. If the number of paging messages of all the operators exceeds the target value of the paging message corresponding to each operator, the RAN network element processes the paging messages of each operator separately, and the paging messages of the operators are respectively The paging message exceeding the number of corresponding paging message target values is discarded, thereby ensuring the fairness of the service in the MOCN networking.
  • the target value of the paging message of the operator A is P*x%
  • the target value of the paging message of the operator B is P*(1-x%)
  • the RAN network element actually receives the carrier.
  • the paging message of A is PA
  • the paging message of carrier B is PB
  • the RAN network element determines PA>P*x%, and PB>P*(1-x%), at this time, the RAN network element discards the P*x% number of paging messages of the operator A.
  • the manner of determining the paging messages of each operator that needs to be discarded is similar to the method of determining only two carriers, and details are not described herein again.
  • the above-mentioned identification of the paging messages of the operators can be identified by the transmission route, and can also be identified by the identification information, which is not limited in the embodiment of the present invention.
  • the transport channel sends the RAN network element to the RAN network element through a different CN, for example, a Mobility Management Entity (MME) in a Long Term Evolution (LTE) network.
  • MME Mobility Management Entity
  • LTE Long Term Evolution
  • the RAN network element can identify the operator corresponding to the paging message according to the CN transmission channel.
  • the RAN network element can also be based on the public land mobile network (PLMN) carried in the paging message.
  • PLMN public land mobile network
  • the operator corresponding to the paging message is identified.
  • the RAN network element can also identify the operator corresponding to the paging message according to other manners. The specific manner for the RAN network element to identify the paging message corresponding to the operator, this embodiment is here. No restrictions.
  • the flow control method of the paging message provided by the embodiment of the present invention, by counting the number of received paging messages, when the number of paging messages is greater than the paging message threshold, the RAN network element shares the RAN according to the preset carriers.
  • the resource ratio of the network element is used to control the flow of the paging message.
  • FIG. 4 is a schematic flowchart of a third embodiment of a flow control method for a paging message according to the present invention.
  • the method is applied to an MOCN system, where the MOCN system includes a RAN network element and CN network elements of multiple operators, and the multiple operators
  • the CN network element shares the RAN network element, and the method is performed by the RAN network element, and the RAN network element stores a resource ratio of the RAN network element shared by multiple operators.
  • the method in this embodiment may include:
  • Step 401 The RAN network element receives a paging message sent by a CN network element of multiple operators.
  • Step 402 The RAN network element counts the number of received paging messages, and the number of the paging messages is the sum of the number of paging messages of each operator.
  • Step 403 When the received paging message exceeds the paging message threshold of the RAN network element, the RAN network element determines that the paging message is overloaded, and starts flow control on the paging message.
  • Step 401 - Step 403 is similar to Step 201 - Step 203, and details are not described herein again.
  • Step 404 The RAN network element performs flow control on the received paging message according to the proportion of the foregoing resources.
  • step 404 that is, the RAN network element performs flow control on the received paging message according to the foregoing resource ratio, and may include the following: step:
  • Step 4041 The RAN network element determines a paging message target value of each operator according to a paging message threshold and a resource ratio of the RAN network element.
  • Step 4041 is similar to step 2041, and details are not described herein again.
  • Step 4042 Determine that the number of paging messages exceeds the first operator of the corresponding paging message target value, and the number of paging messages does not exceed the second operator of the corresponding paging message target value.
  • the RAN network element may identify the operator corresponding to the received paging message when receiving each paging message; or may uniformly identify the operator corresponding to the received paging message after the scheduled time arrives, thereby counting each The number of paging messages of the operator to determine the first carrier and the second carrier.
  • the number of the first operators may be one or more, and the number of the second operators may be one or more. Since different operators send paging messages to the RAN network element through different CN transmission channels, the RAN network element can identify the operator corresponding to the paging message according to the CN transmission channel; in addition, the RAN network element can also be based on the paging.
  • the PLMN carried in the message identifies the operator corresponding to the paging message.
  • the RAN network element can also identify the operator corresponding to the paging message according to other manners, and the specific manner for the RAN network element to identify the paging message corresponding to the operator, The embodiment is not limited herein.
  • the number of paging messages sent by each operator can be determined.
  • the RAN network element can count the number of all the paging messages, and determine that the received paging message is greater than the paging message threshold, and determine the operator corresponding to each paging message in the foregoing manner, thereby determining each operation.
  • the number of quotient paging messages can be determined.
  • the RAN network element can directly identify the operator corresponding to the paging message when receiving each paging message, thereby determining the number of paging messages of each operator, and then according to the paging of each operator. The number of messages, counting the number of all received paging messages.
  • Step 4043 Determine a difference between a paging message threshold of the RAN network element and a paging message of the second operator.
  • the paging message of the second carrier is all the second transport.
  • the sum of the paging messages of the business Taking two second operators B1 and B2 as an example, the number of paging messages received by the RAN network element is PB1 and PB2, respectively, and the paging message threshold P of the RAN network element and the paging of the second operator The difference of the message is: P-(PB1+PB2).
  • Step 4044 Perform flow control of the paging message to the first operator by using the difference as the flow control threshold.
  • the RAN network element determines that the number of paging messages it receives is greater than the paging message threshold, and determines that the number of paging messages of at least one operator is not greater than the corresponding one of the operators.
  • the RAN network element first determines that the paging message is not greater than the second operator of the paging message target value, and calculates the RAN network element paging message threshold and the number of the second operator's paging message. Difference.
  • the RAN network element performs paging message flow control according to the calculated difference.
  • the above difference value is directly used as the target value of the first carrier flow control, and the paging message exceeding the above difference among the first operators is discarded.
  • operators A and B share resources of RAN network elements, and the ratio of resources between them is x%: (1-x%).
  • the target value of the paging message of the operator A is P*x%
  • the target value of the paging message of the operator B is P*(1-x%), where P is the paging message threshold of the RAN network element, that is, The number of paging messages that can be processed during a predetermined period.
  • the RAN network element actually receives the paging message of the operator A as PA, the paging message of the operator B is PB, and PA ⁇ P*x%, PB>P*(1-x%).
  • the RAN network element determines that the number of paging messages of the operator A is not greater than the target value of the paging message of the operator A, that is, the PA is determined to be PA ⁇ P*x%, and the RAN network element calculates the paging threshold of the RAN network element.
  • the difference P-PA between the number of paging messages with operator A.
  • the number PB of the paging message of the operator B is greater than the P-PA, and the P-PA is used as the new flow control threshold, and the paging message of the operator B exceeding the P-PA number is used. throw away. If the number of paging messages of the operator B is not greater than the target value of the paging message of the operator B, and the number of paging messages of the operator A is greater than the target value of the paging message of the operator A, the RAN network element determines that the discarded The manner in which the carrier A's paging message is similar to the above.
  • the above difference is used as the target value of the first carrier flow control, and the paging message exceeding the above difference among the first operators is discarded.
  • operators A, B1, and B2 share resources of the RAN network element, and the ratio of resources between them is x1%: x2%: (1-x1%-x2%).
  • the target value of the paging message of the operator A is P*x1%
  • the target value of the paging message of the operator B1 is P*x2%
  • the target value of the paging message of the operator B2 is P*(1-x1%-x2) %)
  • P is the paging message threshold of the RAN network element, ie the number of paging messages that can be processed within a predetermined period. It is assumed that the RAN network element actually receives the paging message of the operator A as the PA, and the paging message of the operator B1.
  • the paging message of the operator B2 is PB2; and PA ⁇ P*x1%, PB1>P*x2%, PB2>P*(1-x1%-x2%).
  • the RAN network element determines that the number of paging messages of the operator A is not greater than the target value of the paging message of the operator A, that is, the PA is determined to be PA ⁇ P*x%, and the RAN network element calculates the paging message of the RAN network element.
  • the difference P-PA between the threshold and the number of paging messages of operator A.
  • the flow control mode for the operators B1 and B2 is the same as the first embodiment, except that the flow control threshold is no longer P, but P-PA.
  • the RAN network element can always keep the number of paging messages of all operators actually processed and the RAN network element can process the search within a predetermined period.
  • the number of call messages is equal to avoid waste of resources and improve resource utilization.
  • the flow control method of the paging message provided by the embodiment of the present invention, by counting the number of received paging messages, when the number of paging messages is greater than the paging message threshold of the RAN network element, the RAN network element is preset according to each The operator shares the resource ratio of the RAN network element and the number of paging messages of each operator, and determines the paging message that needs to be discarded.
  • the RAN network element performs flow control on the paging messages of the operators according to the ratio of the resources of the RAN network elements shared by the operators, and solves the problem of unified flow control of the paging messages of the operators.
  • the problem of sharing the interests of certain operators is impaired, thus ensuring the fairness of the business under the MOCN network.
  • the RAN network element determines the number of paging messages that each operator needs to discard by comparing the target value of the paging message of each operator with the number of paging messages of each operator, and ensures the services of multiple carriers.
  • FIG. 6 is a schematic flowchart of Embodiment 5 of a flow control method for paging messages according to the present invention. The difference between this embodiment and the above embodiment is that the flow control of the paging message is used to control the processor overload of the RAN network element.
  • the method in this embodiment may include:
  • Step 601 The RAN network element determines whether the processor is overloaded.
  • the processor is the RAN network element
  • the processor that acts as the total control.
  • the RAN network element may include a plurality of processing components, and the cooperation of these components may be implemented by the processor as a general control function, for example, may be a central processing unit (CPU) of the RAN network element.
  • the monitoring of the overload of the processor can be implemented by monitoring the utilization of the processor. For example, when the CPU usage exceeds 80%, the CPU can be considered overloaded.
  • the threshold ratio of the CPU usage is only an example, and may be set according to actual needs, which is not limited in the embodiment of the present invention. If the processor is overloaded, the RAN network element may preferentially step down the operator that has a paging message processing capability ratio higher than its agreed resource ratio. After the congestion is restored, the paging message processing capability is released to the paging message processing specification.
  • the flow control threshold of the RAN network element may be reduced as a whole, that is, the paging message threshold of the RAN network element is adjusted to reduce the threshold, and the channel flow control threshold is obtained, and the new flow control threshold is provided according to the above embodiment.
  • the flow control method performs flow control on the paging message.
  • the first way includes the following steps:
  • Step 602 Determine, according to a paging message threshold of the RAN network element and a ratio of the foregoing resources, a paging message target value of each operator.
  • Step 603 Determine a first operator that the number of received paging messages exceeds a target value of the paging message.
  • Step 604 Perform flow control of the paging message to the first operator.
  • the flow control process preferably adopts step-by-step flow control, which is the same as the description of the step-by-step flow control in the above embodiment.
  • the difference is that after each step flow control discards the paging message, it is determined whether the processor is still overloaded, and if The processor is not overloaded, and the flow control is stopped; if the processor is still overloaded, the flow control is continued until the paging message of the first operator is less than or equal to the target value of the paging message.
  • the processor is still overloaded at this time, the paging message flow control can be continued, and the flow control can be started with the operator closest to the target value of the paging message, or flow control of other signaling or messages.
  • the invention does not impose restrictions on this.
  • the second way includes the following steps:
  • Step 605 The RAN network element adjusts the paging message threshold, and the adjustment is to lower the paging message threshold, that is, the processing capability of the paging message is reduced, and the reduced paging message threshold is used as the flow control threshold. .
  • the RAN network element determines that the processor is in an overload state, the RAN network element adjusts the paging message threshold to solve the phenomenon of processor overload. After the processor overload phenomenon is removed, the RAN network element can adjust the paging message threshold to the original value. In addition, the RAN network element When the paging message threshold is adjusted, if the adjustment is too fast, the maximum capacity of the system will be affected. If the adjustment is too slow, the system pressure may not be relieved in time. Therefore, in this embodiment, the step adjustment can be performed.
  • the mode is adjusted, for example, assuming that the paging message threshold is the number of paging messages that can be processed in a predetermined period, and if the downwardly adjusted step is set to process 400 paging messages per second, the step size of the upward adjustment is set to 75 times per second, if the RAN network element can process paging messages in a predetermined period of 1000 times per second, after 400 times of demodulation, the RAN network element can process 600 paging messages per second.
  • the RAN network element will adjust the paging message threshold when the processor is overloaded.
  • the number of paging messages that the RAN network element can process in a predetermined period is P
  • the step size of the stepwise adjustment is set to P1 when the RAN network element determines the actually received paging message.
  • the RAN network element can adjust the paging message threshold to P-P1, that is, the number of paging messages that the RAN network element can process in a predetermined period is P-P1. To alleviate the overload of the processor.
  • the RAN network element will continue to determine whether the number of received paging messages is greater than the preset number P-P1 after the adjustment. If it is greater, the RAN network element according to the agreed resource ratio and the paging message of each operator. The number of pages that determine the paging message that needs to be discarded. After the RAN network element finds that the overload phenomenon is eliminated, the paging message threshold can be re-adjusted to P.
  • Step 606 Perform flow control on the received paging message according to the flow control threshold and the resource ratio.
  • the paging message threshold is adjusted, and the adjusted paging message threshold is used as a new flow control threshold, according to the flow control method provided by the above embodiment, according to the new flow control threshold and the convention.
  • the proportion of resources is flow-controlled for the received paging message.
  • the flow control method of the paging message provided by the embodiment of the present invention, when the processor is overloaded, the RAN network element performs flow control on the paging message according to the ratio of the resources of the RAN network element shared by each operator, thereby avoiding the phenomenon of network congestion and improving The reliability of the system.
  • FIG. 7 is a schematic structural diagram of Embodiment 1 of a flow control apparatus for paging messages according to the present invention.
  • the flow control apparatus 10 of the paging message is applied to an MOCN system, where the MOCN system includes a RAN network element and multiple carriers.
  • the CN network element, the CN network element of the multiple operators shares the RAN network element, and the device 10 is located at the RAN network element side, and may be set in the RAN network element, or may be separately set independently of the RAN network element, as shown in FIG. 7.
  • the apparatus 10 can include a storage unit 11, a receiving unit 12, and a flow control unit 13.
  • the storage unit 11 is configured to store resources for sharing the RAN network element between multiple operators. proportion;
  • the receiving unit 12 is configured to receive a paging message sent by the CN network element of the multiple operators;
  • the flow control unit 13 is configured to flow control the received paging message according to the resource ratio when the RAN network element is overloaded.
  • the device in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 2, and the implementation principle and technical effects are similar, and details are not described herein again.
  • the proportion of the above resources is a ratio of resources agreed by each operator, which indicates the proportion of resources that each operator can occupy the RAN network element, or indicates the proportion of terminals that each operator can page.
  • the RAN network element overload includes a paging message overload; the paging message threshold is less than or equal to the The number of maximum paging messages that the RAN network element can process in a predetermined period.
  • FIG. 8 is a schematic structural diagram of Embodiment 2 of a flow control apparatus for paging messages according to the present invention.
  • the apparatus 10 of the embodiment of the present invention further includes:
  • the determining unit 14 is configured to determine, according to the paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, and is further configured to determine that the number of received paging messages exceeds a paging message.
  • the flow control unit 13 is configured to perform flow control of the paging message to the first operator by using a target value of the paging message of the first operator.
  • the first operator may be one or more.
  • the flow control unit 13 is configured to:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the paging message of the RAN network element is overloaded If the overload occurs, the paging message of the first operator is continued to be discarded in a stepwise manner, and if not overloaded, the flow control of the paging message is stopped; or
  • the flow control of the paging message can be implemented in multiple manners.
  • the first step is: the paging message of the first operator is discarded in a stepwise manner, and the RAN network element is determined after each discarding. Whether the paging message is overloaded, if overloaded, continue to discard the paging message of the first operator in a stepwise manner, if not overloaded, stop the flow control of the paging message; it should be noted that each time the packet is discarded
  • the number of paging messages may be a set value and remains unchanged; after each discarding, the discard value may be re-adjusted, for example, the number of paging messages discarded for the first time is relatively large, and then overloaded according to the paging message.
  • the paging message overload of the RAN network element is alleviated, and the gap with the paging message threshold is reduced. At this time, the next flow can be reduced.
  • the number of paging messages discarded in the control continues to flow control of the paging message.
  • the paging message of the first operator's paging message exceeding the paging value of the first operator's paging message is directly discarded. For example, when the RAN network element determines that the number of paging messages it receives is greater than the paging message threshold, the RAN network element determines whether the number of paging messages of each operator exceeds the corresponding paging message target value.
  • the RAN network element processes the paging messages of each operator separately, and the paging messages of the operators are respectively The paging message exceeding the number of corresponding paging message target values is discarded, thereby ensuring the fairness of the service in the MOCN networking.
  • the flow control device of the paging message in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 to FIG. 3, and the implementation principle and the technical effect are similar, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of Embodiment 3 of a flow control apparatus for paging messages according to the present invention.
  • the apparatus 10 of the embodiment of the present invention further includes:
  • the determining unit 15 is configured to determine, according to the paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, and determine that the number of paging messages exceeds a first target value of the corresponding paging message.
  • the second carrier that the number of operators and paging messages does not exceed the corresponding paging message target value, and is also used to determine the difference between the paging message threshold of the RAN network element and the paging message of the second operator. ;
  • the flow control unit 13 is configured to perform flow control of the paging message to the first operator by using the difference as a flow control threshold.
  • the flow control unit 13 is configured to:
  • each first operator flow control target value Determining, according to the flow control threshold and the resource ratio, each first operator flow control target value, and each first operator is more than its flow control target value, when the first operator has multiple The paging message is discarded.
  • the flow control device of the paging message in this embodiment may be used to implement the method shown in FIG. 1 to FIG. 5.
  • the technical solution of the example has similar implementation principles and technical effects, and will not be further described herein.
  • Embodiment 4 is a schematic structural diagram of Embodiment 4 of a flow control apparatus for paging messages according to the present invention.
  • the RAN network element overload includes a processor overload, as shown in FIG.
  • the apparatus 10 of the embodiment of the present invention includes:
  • the determining unit 21 is configured to determine, according to the paging message threshold of the RAN network element and the resource ratio, a paging message target value of each operator, and is further configured to determine that the number of received paging messages exceeds a paging message target.
  • the flow control unit 13 is configured to perform flow control of a paging message to the first operator.
  • the RAN network element may preferentially step down the operator that has a paging message processing capability ratio higher than its agreed resource ratio. After the congestion is restored, the paging message processing capability is released to the paging message processing specification.
  • the device 10 further includes:
  • the overload determining unit 22 is configured to determine whether the paging message of the RAN network element is overloaded
  • the flow control unit 13 is configured to flow control the received paging message according to the resource ratio when the overload determining unit 22 determines that the paging message is not overloaded and the processor is overloaded.
  • the flow control device of the paging message in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 to FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the flow control unit 13 is configured to:
  • Discarding the paging message of the first operator in a stepwise manner, and the number of paging messages discarded each time is the same or sequentially changed, and after each discarding, determining whether the processor of the RAN network element is overloaded, If the overload occurs, the paging message of the first operator is continued to be discarded in a stepwise manner, and if not overloaded, the flow control of the paging message is stopped.
  • the flow control device of the paging message in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 to FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the flow control unit 13 is configured to:
  • the flow control threshold of the RAN network element may be reduced overall, that is, the paging message threshold of the RAN network element is adjusted to lower the threshold, and the channel flow control threshold is obtained, and the new flow control is performed. Threshold, and according to the flow control method provided by the foregoing embodiment, the paging message is flow-controlled.
  • the flow control device of the paging message in this embodiment may be used to implement the technical solution of the method embodiment shown in FIG. 1 to FIG. 6.
  • the implementation principle and technical effects are similar, and details are not described herein again.
  • the present invention further provides a flow control system for paging messages, including a RAN network element and CN network elements of a plurality of operators, the CN network elements of the plurality of operators sharing the RAN network element, wherein the RAN network
  • the element includes a flow control device for paging messages as described in any of the above embodiments.
  • An embodiment of the present invention further provides an optional implementation manner, that is, a RAN network element, including the flow control device of the paging message shown in FIG. 7 to FIG. 10, where the structure and technical effects of the RAN network element are the same Before, it will not be repeated here.
  • a RAN network element including the flow control device of the paging message shown in FIG. 7 to FIG. 10, where the structure and technical effects of the RAN network element are the same Before, it will not be repeated here.
  • the receiving unit 12 may be an interface circuit of the RAN network element, configured to implement a connection with the CN network element to receive data sent by the CN network element.
  • the flow control unit 13 may be a separately set processor, or may be integrated in a processor of the RAN network element, or may be stored in the memory of the RAN network element in the form of program code, by a certain RAN network element.
  • a processor invokes and performs the functions of the above flow control unit 13.
  • the processor described herein may be a CPU or an Application Specific Interlated Circuit (ASIC) or configured to implement the embodiments of the present invention. One or more integrated circuits.
  • the implementation of the above determining unit 14 is similar to that of the flow control unit 13, and may be integrated with the fluidics unit 13, or may be implemented separately.
  • the implementation of the determination unit 21 is similar to that of the flow control unit 13, and may be integrated with the flow control unit 13, or may be implemented separately.
  • the implementation of the determining unit 21 and the overload determining unit 22 is similar to that of the fluidic control unit 13, and may be integrated with the fluidic control unit 13, or may be implemented separately, and the determining unit 21 and the overload determining unit 22 may be implemented independently or integrated in together.
  • FIG. 11 is a schematic structural diagram of a RAN network element according to an embodiment of the present invention.
  • the RAN network element includes a processor 1101 and an interface circuit 1102.
  • the memory 1103 and the bus 1104 are also shown.
  • the processor 1101, the interface circuit 1102, and the memory 1103 are connected by a bus 1104 and complete each other. Communication.
  • the memory 1103 is configured to store a proportion of resources shared by the plurality of operators between the RAN network elements, and receive, by the interface circuit 1102, a paging message sent by the CN network element of the core network of the multiple operators, when the RAN When the network element is overloaded, the processor 1101 performs flow control according to the proportion of resources stored in the memory 1103 and the paging message received through the interface circuit 1102.
  • the processor 1101 herein may be one processor or multiple locations.
  • the collective name of the components may be a CPU, an ASIC, or one or more integrated circuits configured to implement the embodiments of the present invention, such as one or more microprocessors (DSPs). Or, one or more Field Programmable Gate Arrays (FPGAs).
  • DSPs microprocessors
  • FPGAs Field Programmable Gate Arrays
  • the memory 1103 may be a storage device or a collective name of a plurality of storage elements, and is used to store executable program code or parameters, data, and the like required for the operation of the RAN network element. And the memory 1103 may include random access memory (RAM), and may also include non-volatile memory such as a magnetic disk memory, a flash memory, or the like.
  • RAM random access memory
  • the bus 1104 may be an Industry Standard Architecture (ISA) bus, a Peripheral Component (PCI) bus, or an Extended Industry Standard Architecture (EISA) bus. .
  • ISA Industry Standard Architecture
  • PCI Peripheral Component
  • EISA Extended Industry Standard Architecture
  • the bus 1104 can be divided into an address bus, a data bus, a control bus, and the like. For ease of representation, only one thick line is shown in Figure 11, but it does not mean that there is only one bus or one type of bus.
  • the disclosed system, apparatus, and method may be implemented in other manners.
  • the device embodiments described above are merely illustrative.
  • the division of the modules or units is only a logical function division.
  • there may be another division manner for example, multiple units or components may be used. Combinations can be integrated into another system, or some features can be ignored or not executed.
  • the mutual coupling or direct coupling or communication connection shown or discussed may be an indirect coupling or communication connection through some interface, device or unit, and may be in an electrical, mechanical or other form.
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present application may be integrated in one processing unit. It is also possible that each unit physically exists alone, or two or more units may be integrated in one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of a software functional unit.
  • the integrated unit if implemented in the form of a software functional unit and sold or used as a standalone product, may be stored in a computer readable storage medium.
  • a computer readable storage medium A number of instructions are included to cause a computer device (which may be a personal computer, server, or network device, etc.) or a processor to perform all or part of the steps of the methods described in various embodiments of the present application.
  • the foregoing storage medium includes: a U disk, a mobile hard disk, a read-only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk, and the like. .

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Abstract

本发明实施例涉及一种寻呼消息的流控方法、装置和系统，该方法包括：接收所述多个运营商的CN网元发送的寻呼消息，当所述RAN网元过载时，根据所述资源比例对所接收到的寻呼消息进行流控。本发明实施例提供的寻呼消息的流控方法、装置和系统提高了在MOCN组网下每个运营商业务的公平性。

Description

寻呼消息的流控方法、装置和系统 技术领域
本发明实施例涉及通信技术，特别涉及一种寻呼消息的流控方法、装置和系统。
背景技术
核心网(Core Network；简称CN)网元给无线接入网(Radio Access Network，简称RAN)网元发送的寻呼(paging)消息是终端入网流程的起始消息，会触发后续一系列信令流程。如果触发大量的终端同时入网，会为整个系统带来很大开销。随着无线通信的普及与发展，信令面风暴场景发生的概率不断增大，做好寻呼消息的流控机制对系统可靠性来说至关重要。
目前的寻呼消息流控机制是在出现系统信令面过载的场景，通过对寻呼消息的流控，来控制系统负载，保证已入网终端的业务，从而提高系统的可靠性。然而，这种机制应用于多运营商核心网络(Multi-operator core network；简称：MOCN)组网场景时，无法保证每个运营商业务的公平性。
发明内容
本发明实施例提供了一种寻呼消息的流控方法、装置和系统，以提高在MOCN组网下每个运营商业务的公平性。
第一方面，本发明实施例提供一种寻呼消息的流控方法，应用于运营商核心网络(MOCN)系统中，该MOCN系统包括无线接入网(RAN)网元和多个运营商的核心网(CN)网元，该多个运营商的CN网元共享所述RAN网元，所述RAN网元存储有所述多个运营商之间共享所述RAN网元的资源比例，所述方法包括：
所述RAN网元接收所述多个运营商的CN网元发送的寻呼消息；
当所述RAN网元过载时，所述RAN网元根据所述资源比例对所接收到的寻呼消息进行流控。
结合第一方面，在第一方面的第一种可能的实现方式中，所述资源比例表明各运营商占用RAN网元的资源的比例，或者各运营商寻呼的终端的比 例。
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第二种可能的实现方式中，当接收到的寻呼消息超过所述RAN网元的寻呼消息阈值时，所述RAN网元过载包括寻呼消息过载；所述寻呼消息阈值小于或等于所述RAN网元在预定周期内能够处理寻呼消息的个数。
结合第一方面的第二种可能的实现方式，在第一方面的第三种可能的实现方式中，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控。
结合第一方面的第三种可能的实现方式，在第一方面的第四种可能的实现方式中，以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控，包括：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；或者，
将所述第一运营商的寻呼消息中超过所述第一运营商的寻呼消息目标值的寻呼消息丢弃。
结合第一方面的第二种可能的实现方式，在第一方面的第五种可能的实现方式中，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商，和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商；
确定所述RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值；
以所述差值为流控阈值，对第一运营商进行寻呼消息的流控。
结合第一方面的第五种可能的实现方式，在第一方面的第六种可能的实 现方式中，以所述差值为流控阈值，对第一运营商进行寻呼消息的流控，包括：
当所述第一运营商为一个时，丢弃所述第一运营商的多于所述流控阈值的寻呼消息；或者，
当所述第一运营商为多个时，根据所述流控阈值和所述资源比例，确定各第一运营商流控目标值；将各第一运营商多于其流控目标值的寻呼消息丢弃。
结合第一方面或第一方面的第一种可能的实现方式，在第一方面的第七种可能的实现方式中，所述RAN网元过载包括处理器过载。
结合第一方面的第七种可能的实现方式，在第一方面的第八种可能的实现方式中，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
对所述第一运营商进行寻呼消息的流控。
结合第一方面的第八种可能的实现方式，在第一方面的第九种可能的实现方式中，在根据所述资源比例对所接收到的寻呼消息进行流控之前，还包括：确定所述RAN网元的寻呼消息是否过载；
且在所述寻呼消息不过载且处理器过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
结合第一方面的第八种或第一方面的第九种可能的实现方式，在第一方面的第十种可能的实现方式中，对所述第一运营商进行寻呼消息的流控，包括：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的处理器是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控。
结合第一方面的第七种可能的实现方式，在第一方面的第十一种可能的实现方式中，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
降低所述RAN网元的寻呼消息阈值，将降低后的寻呼消息阈值作为流控 阈值；
根据所述流控阈值和所述资源比例，对所接收到的寻呼消息进行流控。
第二方面，本发明实施例提供一种寻呼消息的流控装置，应用于运营商核心网络(MOCN)系统中，该MOCN系统包括无线接入网(RAN)网元和多个运营商的核心网(CN)网元，该多个运营商的CN网元共享所述RAN网元，该装置位于所述RAN网元，且该装置包括：
存储单元，用于存储多个运营商之间共享无线接入网RAN网元的资源比例；
接收单元，用于接收所述多个运营商的CN网元发送的寻呼消息；
流控单元，用于当所述RAN网元过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
结合第二方面，在第二方面的第一种可能的实现方式中，所述资源比例表明各运营商占用RAN网元的资源的比例，或者各运营商寻呼的终端的比例。
结合第二方面或第二方面的第一种可能的实现方式，在第二方面的第二种可能的实现方式中，当所述接收单元接收到的寻呼消息超过所述RAN网元的寻呼消息阈值时，所述RAN网元过载包括寻呼消息过载；所述寻呼消息阈值小于或等于所述RAN网元在预定周期内能够处理的最大寻呼消息的数量。
结合第二方面的第二种可能的实现方式，在第二方面的第三种可能的实现方式中，还包括：
确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，其还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
所述流控单元，用于以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控。
结合第二方面的第三种可能的实现方式，在第二方面的第四种可能的实现方式中，所述流控单元用于：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如 果不过载，停止寻呼消息的流控；或者，
将所述第一运营商的寻呼消息中超过所述第一运营商的寻呼消息目标值的寻呼消息丢弃。
结合第二方面的第二种可能的实现方式，在第二方面的第五种可能的实现方式中，还包括：
确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商，以及还用于确定所述RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值；
所述流控单元，用于以所述差值为流控阈值，对第一运营商进行寻呼消息的流控。
结合第二方面的第五种可能的实现方式，在第二方面的第六种可能的实现方式中，所述流控单元用于：
当所述第一运营商为一个时，丢弃所述第一运营商的多于所述流控阈值的寻呼消息；或者，
当所述第一运营商为多个时，根据所述流控阈值和所述资源比例，确定各第一运营商流控目标值，且将各第一运营商多于其流控目标值的寻呼消息丢弃。
结合第二方面、第二方面的第一种可能的实现方式，在第二方面的第七种可能的实现方式中，所述RAN网元过载包括处理器过载。
结合第二方面的第七种可能的实现方式，在第二方面的第八种可能的实现方式中，还包括：
确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
所述流控单元，用于对所述第一运营商进行寻呼消息的流控。
结合第二方面的第八种可能的实现方式，在第二方面的第九种可能的实现方式中，还包括：
过载确定单元，用于确定所述RAN网元的寻呼消息是否过载；
所述流控单元，用于在所述过载确定单元确定出所述寻呼消息不过载且处理器过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
结合第二方面的第八种或第二方面的第九种可能的实现方式，在第二方面的第十种可能的实现方式中，所述流控单元用于：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的处理器是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控。
结合第二方面的第七种可能的实现方式，在第二方面的第十一种可能的实现方式中，所述流控单元用于：
降低所述RAN网元的寻呼消息阈值，将降低后的寻呼消息阈值作为流控阈值；
根据所述流控阈值和所述资源比例，对所接收到的寻呼消息进行流控。
第三方面，本发明实施例提供一种寻呼消息的流控系统，包括：无线接入网RAN网元和多个运营商的核心网CN网元，该多个运营商的CN网元共享所述RAN网元，所述RAN网元包括如第二方面、第二方面的第一种至第二方面的第十一种任一种可能的寻呼消息的流控装置。
本发明实施例提供的寻呼消息的流控方法、装置和系统，通过在RAN网元处设定共享该RAN网元的运营商之间的资源比例，根据该资源比例对各运营商的寻呼消息分别进行流控，使得寻呼消息的流控符合运营商之间的资源比例,从而提高业务的公平性。
附图说明
为了更清楚地说明本发明实施例或现有技术中的技术方案，下面将对实施例或现有技术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为本发明实施例提供的一种MOCN系统的架构示意图；
图2为本发明寻呼消息的流控方法实施例一的流程示意图；
图3为本发明寻呼消息的流控方法实施例二的流程示意图；
图4为本发明寻呼消息的流控方法实施例三的流程示意图；
图5为本发明寻呼消息的流控方法实施例四的流程示意图；
图6为本发明寻呼消息的流控方法实施例五的流程示意图；
图7为本发明提供的寻呼消息的流控装置实施例一的结构示意图；
图8为本发明提供的寻呼消息的流控装置实施例二的结构示意图；
图9为本发明提供的寻呼消息的流控装置实施例三的结构示意图；
图10为本发明提供的寻呼消息的流控装置实施例四的结构示意图；
图11为本发明实施例提供的一种RAN网元的结构示意图。
具体实施方式
下面将结合本发明实施例中的附图，对本发明实施例中的技术方案进行清楚、完整地描述，显然，所描述的实施例仅仅是本发明一部分实施例，而不是全部的实施例。基于本发明中的实施例，本领域普通技术人员在没有做出创造性劳动前提下所获得的所有其他实施例，都属于本发明保护的范围。
MOCN组网是一种多运营商CN共享RAN的机制，即一个RAN可以连接到多个运营商的CN网元，例如，可以由多个运营商合作共建RAN，也可以是其中一个运营商单独建设RAN，而其他运营商租用该运营商的RAN。
请参考图1，其为本发明实施例提供的一种MOCN系统的架构示意图。如图1所示，该MOCN系统中包括至少两个运营商的CN网元12，它们共享RAN网元11。在此，为了说明简便，以两个运营商A和B为例，更多运营商的场景与之类似。
如背景技术中提及的，在MOCN组网下，如果出现系统信令面过载的现象，多个运营商共享的RAN网元会统一的对所有运营商进行寻呼消息的流控，以控制系统负载。但是，多个运营商之间可能会出现业务的不对称性，如果采用统一的流控机制，可能会损害某个或某些运营商的利益，无法保证MOCN组网下业务的公平性。举例来说，图1所示的运营商A和运营商B的CN共享RAN的资源，在实际应用中，A和B运营商的寻呼消息数量往往不同，如果寻呼消息过载现象全部或者绝大部分由A贡献，RAN网元11统一对运营商A和运营商B进行寻呼消息丢弃性惩罚，必然损害了运营商B的利益，无法保证业务的公平性。
本申请充分考虑到以上问题，在RAN网元处设定共享该RAN网元的运营商之间的资源比例，根据该资源比例对各运营商的寻呼消息分别进行流控，使得寻呼消息的流控符合运营商之间的资源比例,从而提高业务的公平性。
以上资源比例是各运营商约定好的资源比例，其表明各运营商可以占用RAN网元的资源的比例，或者表明各运营商可以寻呼的终端的比例。且以上流控方法在RAN网元发生过载时进行，这里的过载可以包括RAN网元的处理器过载，还可以包括寻呼消息过载。
以下结合几个实施例对以上过载情形下的流控过程进行详细描述：
图2为本发明寻呼消息的流控方法实施例一的流程示意图。该方法应用于MOCN系统中，该MOCN系统包括RAN网元和多个运营商的CN网元，该多个运营商的CN网元共享所述RAN网元，该方法由RAN网元执行，且该RAN网元存储有多个运营商之间共享该RAN网元的资源比例。
在上述图1所示系统架构的基础上，如图2所示，本实施例的方法可以包括：
步骤201、RAN网元接收多个运营商的CN网元发送的寻呼消息。
步骤202、RAN网元统计接收到的寻呼消息的数量，该寻呼消息的数量为各运营商的寻呼消息的数量的总和。
在本实施例中，各运营商的CN网元向RAN网元发送寻呼消息后，RAN网元将统计所有接收到的寻呼消息的个数，在具体的实现过程中，RAN网元可以直接统计所有运营商的CN网元发送的寻呼消息的总和，也可以先统计各个运营商的CN网元分别发送的寻呼消息，再根据各运营商的寻呼消息，计算出所有接收到的寻呼消息的总和，对于具体的统计方式，本发明对此不作限制。
此外，针对寻呼消息的流控，可以设置一个周期，该寻呼消息的统计即在该预定周期内进行。
步骤203、当接收到的寻呼消息超过RAN网元的寻呼消息阈值时，RAN网元确定寻呼消息过载，则启动对寻呼消息的流控。
该寻呼消息阈值是根据RAN网元对寻呼消息的处理能力确定的。例如，该寻呼消息阈值可以等于RAN网元在预定周期内能处理的最大寻呼消息的数量，也可以小于RAN网元在预定周期内能处理的最大寻呼消息的数量。另 外，RAN网元在预定周期内能够处理的最大寻呼消息的数量与RAN网元的型号或者相关参数有关，其中，预定周期可以根据实际情况或者经验进行设置，例如可以为1s等，对于预定周期的具体取值，本发明实施例对此不作限制。
步骤204、RAN网元根据以上资源比例，对接收到的寻呼消息进行流控。
在本实施例中，当RAN网元判断出接收到的寻呼消息的数量不超过寻呼消息阈值时，运营商可以共享RAN网元的寻呼能力，因此RAN网元可以直接根据各运营商的寻呼消息对终端进行寻呼，而不会对寻呼消息做流控处理。
当RAN网元判断出接收到的寻呼消息的数量超过寻呼消息阈值时，说明已发生寻呼消息过载现象。此时，RAN网元根据预设的各运营商共享RAN网元的资源比例以及接收到的各运营商的CN网元发送的寻呼消息的数量，确定需要丢弃的寻呼消息，以达到流控的目的。其中，以上资源比例为各个运营商约定的资源比例，其表明各运营商占用RAN网元的资源的比例，或者各运营商寻呼的终端的比例，将该资源比例存储于RAN网元，以在RAN网元发生寻呼消息过载时，依据该资源比例进行过载流控，以保证业务的公平性。
图3为本发明寻呼消息的流控方法实施例二的流程示意图，请参考图3，以上步骤204、即RAN网元根据以上资源比例对接收到的寻呼消息进行流控，可以包括如下步骤：
步骤2041、根据RAN网元的寻呼消息阈值和以上资源比例，确定各运营商的寻呼消息目标值。
在本实施例中，RAN网元可以根据设定的各运营商共享RAN网元的资源比例以及RAN网元的寻呼消息阈值，确定出每个运营商的寻呼消息目标值。举例来说，假设在MOCN组网中，有两个运营商A和B，其中，运营商A和运营商B共享RAN网元的资源比例为x％：(1-x％)，RAN网元在预定周期内能够处理寻呼消息的个数为P，为了便于说明，本发明中均以P作为RAN网元的寻呼消息阈值，则对于运营商A，其寻呼消息目标值为P*x％，对于运营商B，其寻呼消息的目标值则为P*(1-x％)。对于MOCN组网中包含两个以上的运营商时，确定每个运营商寻呼消息目标值的方式，与包含两个运营商时的方式类似，此处不再赘述。
步骤2042、确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商，其中，该第一运营商可以为一个也可以为多个。
步骤2043、以第一运营商的寻呼消息目标值为目标，对第一运营商进行寻呼消息的流控。
以上步骤2043的流控可以通过多种方式实现：
第一、步进式：即，以步进的方式丢弃第一运营商的寻呼消息，且每次丢弃之后，判断RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；需要说明的是，每次丢弃的寻呼消息的数量可以是一个设定值，且保持不变；也可以在每次丢弃之后，重新调整丢弃值，例如第一次丢弃的寻呼消息的数量比较大，而后根据寻呼消息过载的情况，调整丢弃的寻呼消息的数量，比如，在第一次丢弃之后，RAN网元的寻呼消息过载得以减轻，且与寻呼消息阈值的差距缩小，此时，可以减少下次流控中丢弃的寻呼消息的数量，继续进行寻呼消息的流控。因此，每次丢弃的寻呼消息的数量相同或依次变化。
这种步进式的寻呼消息流控方式，可以最大化的利用RAN网元的资源。例如，当存在多个第一运营商的寻呼消息超过其寻呼消息目标值时，且它们超过目标值的寻呼消息的总和可能大于RAN网元的过载的寻呼消息数量，此时，如果直接将每个第一运营商的超过寻呼消息目标值的寻呼消息都删除，将不能最大化利用RAN网元的资源，使得某些可以被处理的寻呼消息被删除。
第二、直接将第一运营商的寻呼消息中超过第一运营商的寻呼消息目标值的寻呼消息丢弃。
例如，当RAN网元判断出其接收到的寻呼消息的数量大于寻呼消息阈值时，RAN网元判断每个运营商的寻呼消息的数量是否都超过了各自对应的寻呼消息目标值，若所有运营商的寻呼消息的数量都超过了各运营商对应的寻呼消息目标值，则RAN网元对每个运营商的寻呼消息分别进行处理，将各运营商的寻呼消息中超过各自对应的寻呼消息目标值数量的寻呼消息丢弃，由此保证了MOCN组网中，业务的公平性。举例来说，若确定出运营商A的寻呼消息目标值为P*x％，运营商B的寻呼消息目标值为P*(1-x％)，假设RAN网元实际接收到运营商A的寻呼消息为PA个，运营商B的寻呼消息为 PB个，若RAN网元判断出PA>P*x％，且PB>P*(1-x％)，此时，RAN网元将运营商A的超过P*x％数量的寻呼消息丢弃，将运营商B的超过P*(1-x％)的寻呼消息丢弃。当有两个以上的运营商时，确定需要丢弃的各运营商的寻呼消息的方式，与只有两个运营商时的确定方式类似，此处不再赘述。
以上对各运营商寻呼消息的识别可以通过传播途径进行识别，也可以通过标识信息进行识别，本发明实施例不做任何限制。例如，由于不同的运营商通过不同的CN，例如，长期演进(Long Term Evolution；简称：LTE)网络中的移动性管理实体(Mobility Management Entity；简称：MME)，传输通道向RAN网元发送寻呼消息，因此，RAN网元可以根据CN传输通道识别寻呼消息所对应的运营商；另外，RAN网元也可以根据寻呼消息中携带的公共陆地移动网络(public land mobile network；简称：PLMN)识别寻呼消息所对应的运营商，当然，RAN网元也可以根据其他方式识别寻呼消息对应的运营商，对于RAN网元识别寻呼消息对应运营商的具体方式，本实施例在此不作限制。
本发明实施例提供的寻呼消息的流控方法，通过统计接收到的寻呼消息的数量，当寻呼消息的数量大于寻呼消息阈值时，RAN网元根据预设的各运营商共享RAN网元的资源比例进行寻呼消息的流控，解决了统一的对各运营商的寻呼消息进行流控时，会损害某些运营商共享利益的问题，从而保证了MOCN组网下业务的公平性。
图4为本发明寻呼消息的流控方法实施例三的流程示意图，该方法应用于MOCN系统中，该MOCN系统包括RAN网元和多个运营商的CN网元，该多个运营商的CN网元共享所述RAN网元，该方法由RAN网元执行，且该RAN网元存储有多个运营商之间共享该RAN网元的资源比例。
在上述图1所示系统架构的基础上，如图4所示，本实施例的方法可以包括：
步骤401、RAN网元接收多个运营商的CN网元发送的寻呼消息。
步骤402、RAN网元统计接收到的寻呼消息的数量，该寻呼消息的数量为各运营商的寻呼消息的数量的总和。
步骤403、当接收到的寻呼消息超过RAN网元的寻呼消息阈值时，RAN网元确定寻呼消息过载，则启动对寻呼消息的流控。
步骤401-步骤403与步骤201-步骤203类似，此处不再赘述。
步骤404、RAN网元根据以上资源比例，对接收到的寻呼消息进行流控。
图5为本发明寻呼消息的流控方法实施例四的流程示意图，请参考图5，以上步骤404、即RAN网元根据以上资源比例对接收到的寻呼消息进行流控，可以包括如下步骤：
步骤4041、根据RAN网元的寻呼消息阈值和资源比例，RAN网元确定各运营商的寻呼消息目标值。
步骤4041与步骤2041类似，此处不再赘述。
步骤4042、确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商，和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商。
RAN网元在接收到每个寻呼消息时可以识别接收到的寻呼消息所对应的运营商；也可以在预定时间到达后统一识别接收到的寻呼消息所对应的运营商，从而统计各个运营商的寻呼消息的数量，以确定第一运营商和第二运营商。其中，第一运营商的数量可以是一个也可以是多个；第二运营商的数量可以是一个也可以是多个。由于不同的运营商通过不同的CN传输通道向RAN网元发送寻呼消息，因此，RAN网元可以根据CN传输通道识别寻呼消息所对应的运营商；另外，RAN网元也可以根据寻呼消息中携带的PLMN识别寻呼消息所对应的运营商，当然，RAN网元也可以根据其他方式识别寻呼消息对应的运营商，对于RAN网元识别寻呼消息对应运营商的具体方式，本实施例在此不作限制。
RAN网元识别出每个寻呼消息所对应的运营商之后，即可确定出各个运营商发送的寻呼消息的数量。其中，RAN网元可以在统计出所有寻呼消息的数量，并在判断出接收到的寻呼消息大于寻呼消息阈值时，通过上述方式确定各个寻呼消息对应的运营商，从而确定各运营商的寻呼消息的数量。
值得说明的是，RAN网元可以在接收到每个寻呼消息时，直接识别寻呼消息对应的运营商，从而确定出各个运营商的寻呼消息的数量，继而根据各运营商的寻呼消息的数量，统计接收到的所有的寻呼消息的个数。
步骤4043、确定RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值。
当第二运营商为多个时，这里面第二运营商的寻呼消息就是所有第二运 营商的寻呼消息的总和。以两个第二运营商B1和B2为例，RAN网元接收到的它们的寻呼消息的数量分别为PB1和PB2，则RAN网元的寻呼消息阈值P与第二运营商的寻呼消息的差值为：P-(PB1+PB2)。
步骤4044、以该差值为流控阈值，对第一运营商进行寻呼消息的流控。
具体地，当预定周期到达时，RAN网元判断出其接收到的寻呼消息的数量大于寻呼消息阈值，且判断出至少有一个运营商的寻呼消息的数量不大于该运营商对应的寻呼消息目标值时，RAN网元首先确定出寻呼消息不大于寻呼消息目标值的第二运营商，计算出RAN网元寻呼消息阈值与第二运营商的寻呼消息的数量的差值。RAN网元根据计算得到的差值进行寻呼消息流控。
若只有一个第一运营商，则直接以以上差值作为第一运营商流控的目标值，丢弃第一运营商中超过以上差值的寻呼消息。举例来说，运营商A和B共享RAN网元的资源，且它们之间的资源比例x％：(1-x％)。则运营商A的寻呼消息目标值为P*x％，运营商B的寻呼消息目标值为P*(1-x％)，其中，P为RAN网元的寻呼消息阈值，即在预定周期内能够处理的寻呼消息的数量。假设RAN网元实际接收到运营商A的寻呼消息为PA个，运营商B的寻呼消息为PB个，且PA<P*x％，PB>P*(1-x％)。RAN网元确定出运营商A的寻呼消息的数量不大于运营商A的寻呼消息目标值，也即判断出PA<P*x％，则RAN网元计算出RAN网元的寻呼阈值与运营商A的寻呼消息的数量之间的差值P-PA。由于此时寻呼消息过载，则运营商B的寻呼消息的数量PB大于P-PA，则以P-PA作为新的流控阈值，将运营商B的超过P-PA数量的寻呼消息丢弃。若运营商B的寻呼消息的数量不大于运营商B的寻呼消息目标值，而运营商A的寻呼消息的数量大于运营商A的寻呼消息目标值时，RAN网元确定丢弃的运营商A的寻呼消息的方式，与上述方式类似。
若有多个第一运营商，则以以上差值作为第一运营商流控的目标值，丢弃第一运营商中超过以上差值的寻呼消息。举例来说，运营商A、B1和B2共享RAN网元的资源，且它们之间的资源比例x1％：x2％：(1-x1％-x2％)。则运营商A的寻呼消息目标值为P*x1％，运营商B1的寻呼消息目标值为P*x2％，运营商B2的寻呼消息目标值为P*(1-x1％-x2％)，其中，P为RAN网元的寻呼消息阈值，即在预定周期内能够处理的寻呼消息的数量。假设RAN网元实际接收到运营商A的寻呼消息为PA个，运营商B1的寻呼消息 为PB1个，运营商B2的寻呼消息为PB2个；且PA<P*x1％，PB1>P*x2％，PB2>P*(1-x1％-x2％)。RAN网元确定出运营商A的寻呼消息的数量不大于运营商A的寻呼消息目标值，也即判断出PA<P*x％，则RAN网元计算出RAN网元的寻呼消息阈值与运营商A的寻呼消息的数量之间的差值P-PA。由于此时寻呼消息过载，则运营商B1和B2的寻呼消息的数量之和必然大于P-PA，需要对其进行流控，则以P-PA作为新的流控阈值，将运营商B1和B2超过P-PA数量的寻呼消息丢弃。此时，对运营商B1和B2的流控方式同以上实施例一，区别在于流控阈值不再是P，而是P-PA。
需要进行说明的是，通过以上方法确定需要丢弃的寻呼消息的过程中，可以始终保持RAN网元在实际处理所有的运营商的寻呼消息的数量与RAN网元在预定周期内能够处理寻呼消息的个数相等，以避免资源的浪费，提高资源利用率。
本发明实施例提供的寻呼消息的流控方法，通过统计接收到的寻呼消息的数量，当寻呼消息的数量大于RAN网元的寻呼消息阈值时，RAN网元根据预设的各运营商共享RAN网元的资源比例和各运营商的寻呼消息的数量，确定需要丢弃的寻呼消息。由于RAN网元根据预先设定的资源各运营商共享RAN网元的资源比例对各运营商的寻呼消息进行流控，解决了统一的对各运营商的寻呼消息进行流控时，会损害某些运营商共享利益的问题，从而保证了MOCN组网下业务的公平性。另外，RAN网元通过比较各运营商的寻呼消息目标值和各运营商的寻呼消息的数量，确定出每个运营商需要丢弃的寻呼消息的数量，保证了在多个运营商业务不对称或者当多个运营商共享资源存在比例要求等场景下，寻呼流控对业务的公平性。
图6为本发明寻呼消息的流控方法实施例五的流程示意图。本实施例与以上实施例的区别在于，将寻呼消息的流控用于控制RAN网元的处理器过载。
在上述图1所示系统架构的基础上，如图6所示，本实施例的方法可以包括：
步骤601、RAN网元确定处理器是否过载。
在本实施例中，引起处理器过载的原因有很多种，例如：终端的切换、接入等过程中的信令和寻呼消息共同引起的过载。该处理器是对该RAN网元 起总的控制作用的处理器。通常RAN网元可以包括多个处理部件，这些部件的协作可以通过该起总的控制作用的处理器来实现，例如，可以是RAN网元的中央处理单元(Central Processing Unit，简称CPU)。对该处理器的过载的监控可以通过处理器的利用率的监控来实现，例如当CPU占用率超过80％时，可以认为该CPU过载。该CPU占用率的阈值比例仅为举例，具体可以根据实际需要进行设置，本发明实施例不做限制。若处理器过载，RAN网元可以优先对寻呼消息处理能力比例高于其约定的资源比例的运营商进行步进下调。拥塞恢复后，寻呼消息处理能力放开到寻呼消息处理规格。也可以整体降低RAN网元的流控阈值，即对RAN网元的寻呼消息阈值进行调整，以降低该阈值，得到信道流控阈值，以该新的流控阈值，并依据以上实施例提供的流控方法，对寻呼消息进行流控。
第一种方式，如图6所示，包括如下步骤：
步骤602、根据RAN网元的寻呼消息阈值和以上资源比例，确定各运营商的寻呼消息目标值。
步骤603、确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商。
步骤604、对第一运营商进行寻呼消息的流控。
该流控过程较佳的采用步进式流控，同以上实施例步进式流控的描述，区别在于，每次步进流控丢弃寻呼消息之后，判断处理器是否还过载，且如果处理器不过载，停止流控；如果处理器还过载，则继续进行流控，直到第一运营商的寻呼消息少于或等于其寻呼消息目标值。当然，如果此时处理器还过载，也可以继续进行寻呼消息流控，可以以最接近其寻呼消息目标值的运营商开始流控，或者，对其它信令或消息进行流控，本发明对此不做约束。
第二种方式，如图6所示，包括如下步骤：
步骤605、RAN网元将寻呼消息阈值进行调整，且该调整为降低该寻呼消息阈值，即降低处理器对寻呼消息的处理能力，并将降低后的寻呼消息阈值作为流控阈值。
在本实施例中，若RAN网元判断出处理器处于过载状态，则RAN网元将寻呼消息阈值进行调整，以解决处理器过载的现象。当处理器过载现象消除之后，RAN网元可以将寻呼消息阈值调整为原来的值。另外，RAN网元 在对寻呼消息阈值进行调整的时候，如果调整太快，会影响系统的最大容量，而如果调整太慢，则可能无法及时减轻系统压力，因此，本实施例中可以通过步进式调整的方式进行调节，例如：假设寻呼消息阈值为在预定周期内能够处理寻呼消息的数量，若将向下调整的步长设置为每秒处理400次寻呼消息，向上调整的步长设置为每秒75次，若RAN网元在预定周期内能够处理寻呼消息的能力为每秒处理1000次，则下调400次后，RAN网元每秒可以处理600次寻呼消息。
下面将举例说明在处理器过载时，RAN网元将如何调整寻呼消息阈值。在MOCN组网中，假设RAN网元在预定周期内能够处理寻呼消息的个数为P，设定步进式调整的步长为P1，当RAN网元确定出实际接收到的寻呼消息的个数不大于P，且处理器处于过载状态时，RAN网元将寻呼消息阈值可以调整为P-P1，即RAN网元在预定周期内能够处理寻呼消息的个数为P-P1，以缓解处理器的过载现象。此时，RAN网元将继续判断接收到的寻呼消息的个数是否大于调整之后的预设数量P-P1，如果大于，则RAN网元根据约定的资源比例和各运营商的寻呼消息的数量，确定出需要丢弃的寻呼消息。当RAN网元发现过载现象消除后，则可以将寻呼消息阈值重新调整为P。
步骤606、根据流控阈值和资源比例，对所接收到的寻呼消息进行流控。
在本实施例中，将寻呼消息阈值进行调整，并将调整后的寻呼消息阈值作为新的流控阈值，则将依据以上实施例提供的流控方法，根据新的流控阈值和约定的资源比例对接收到的寻呼消息进行流控。
本发明实施例提供的寻呼消息的流控方法，在处理器过载时，RAN网元根据各运营商共享RAN网元的资源比例对寻呼消息进行流控，从而避免网络拥塞的现象，提高了系统的可靠性。
图7为本发明提供的寻呼消息的流控装置实施例一的结构示意图，所述寻呼消息的流控装置10应用于MOCN系统中，该MOCN系统包括RAN网元和多个运营商的CN网元，该多个运营商的CN网元共享所述RAN网元，该装置10位于RAN网元侧，可以设置于RAN网元中，也可以独立于RAN网元单独设置，如图7所示，所述装置10可以包括：存储单元11、接收单元12和流控单元13。
其中，存储单元11用于存储多个运营商之间共享所述RAN网元的资源 比例；
接收单元12用于接收所述多个运营商的CN网元发送的寻呼消息；
流控单元13用于当所述RAN网元过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
本实施例的装置，可以用于执行图2所示方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
其中，以上资源比例是各运营商约定好的资源比例，其表明各运营商可以占用RAN网元的资源的比例，或者表明各运营商可以寻呼的终端的比例。
进一步地，当所述接收单元12接收到的寻呼消息超过所述RAN网元的寻呼消息阈值时，所述RAN网元过载包括寻呼消息过载；所述寻呼消息阈值小于或等于所述RAN网元在预定周期内能够处理的最大寻呼消息的数量。
图8为本发明提供的寻呼消息的流控装置实施例二的结构示意图，在图7所示装置的基础上，如图8所示，本发明实施例的装置10还包括：
确定单元14用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，且还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
所述流控单元13用于以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控。
其中，该第一运营商可以为一个也可以为多个。
可选地，所述流控单元13用于：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；或者，
将所述第一运营商的寻呼消息中超过所述第一运营商的寻呼消息目标值的寻呼消息丢弃。
对寻呼消息进行流控时，可以采用多种方式实现，第一、步进式：即，以步进的方式丢弃第一运营商的寻呼消息，且每次丢弃之后，判断RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；需要说明的是，每次丢弃的 寻呼消息的数量可以是一个设定值，且保持不变；也可以在每次丢弃之后，重新调整丢弃值，例如第一次丢弃的寻呼消息的数量比较大，而后根据寻呼消息过载的情况，调整丢弃的寻呼消息的数量，比如，在第一次丢弃之后，RAN网元的寻呼消息过载得以减轻，且与寻呼消息阈值的差距缩小，此时，可以减少下次流控中丢弃的寻呼消息的数量，继续进行寻呼消息的流控。
第二、直接将第一运营商的寻呼消息中超过第一运营商的寻呼消息目标值的寻呼消息丢弃。例如，当RAN网元判断出其接收到的寻呼消息的数量大于寻呼消息阈值时，RAN网元判断每个运营商的寻呼消息的数量是否都超过了各自对应的寻呼消息目标值，若所有运营商的寻呼消息的数量都超过了各运营商对应的寻呼消息目标值，则RAN网元对每个运营商的寻呼消息分别进行处理，将各运营商的寻呼消息中超过各自对应的寻呼消息目标值数量的寻呼消息丢弃，由此保证了MOCN组网中，业务的公平性。
本实施例的寻呼消息的流控装置，可以用于执行图1-图3所示方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
图9为本发明提供的寻呼消息的流控装置实施例三的结构示意图，在图7所示装置的基础上，如图9所示，本发明实施例的装置10还包括：
确定单元15用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商，以及还用于确定所述RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值；
所述流控单元13用于以所述差值为流控阈值，对第一运营商进行寻呼消息的流控。
可选地，所述流控单元13用于：
当所述第一运营商为一个时，丢弃所述第一运营商的多于所述流控阈值的寻呼消息；或者，
当所述第一运营商为多个时，根据所述流控阈值和所述资源比例，确定各第一运营商流控目标值，且将各第一运营商多于其流控目标值的寻呼消息丢弃。
本实施例的寻呼消息的流控装置，可以用于执行图1-图5所示方法实施 例的技术方案，其实现原理和技术效果类似，此处不再赘述。
图10为本发明提供的寻呼消息的流控装置实施例四的结构示意图，在图7所示装置的基础上，若所述RAN网元过载包括处理器过载时，如图10所示，本发明实施例的装置10包括：
确定单元21用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
所述流控单元13用于对所述第一运营商进行寻呼消息的流控。
若处理器过载，RAN网元可以优先对寻呼消息处理能力比例高于其约定的资源比例的运营商进行步进下调。拥塞恢复后，寻呼消息处理能力放开到寻呼消息处理规格。
可选地，所述装置10还包括：
过载确定单元22，用于确定所述RAN网元的寻呼消息是否过载；
所述流控单元13，用于在所述过载确定单元22确定出所述寻呼消息不过载且处理器过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
本实施例的寻呼消息的流控装置，可以用于执行图1-图6所示方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
可选地，所述流控单元13用于：
以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的处理器是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控。
本实施例的寻呼消息的流控装置，可以用于执行图1-图6所示方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
可选地，所述流控单元13用于：
降低所述RAN网元的寻呼消息阈值，将降低后的寻呼消息阈值作为流控阈值；
根据所述流控阈值和所述资源比例，对所接收到的寻呼消息进行流控。
若处理器过载，可以整体降低RAN网元的流控阈值，即对RAN网元的寻呼消息阈值进行调整，以降低该阈值，得到信道流控阈值，以该新的流控 阈值，并依据以上实施例提供的流控方法，对寻呼消息进行流控。
本实施例的寻呼消息的流控装置，可以用于执行图1-图6所示方法实施例的技术方案，其实现原理和技术效果类似，此处不再赘述。
本发明还提供一种寻呼消息的流控系统，包括RAN网元和多个运营商的CN网元，该多个运营商的CN网元共享所述RAN网元，其中，所述RAN网元包括上述任一实施例所述的寻呼消息的流控装置。
本发明实施例还提供一种可选的实施方式，即一种RAN网元，包括上述图7-图10所示的寻呼消息的流控装置，所述RAN网元的结构和技术效果同前，此处不再赘述。
需要说明的是，上述实施例中，接收单元12可以为RAN网元的接口电路，用于实现与CN网元之间连接，以接收CN网元发送的数据。流控单元13可以为单独设立的处理器，也可以集成在RAN网元的某一个处理器中实现，此外也可以以程序代码的形式存储于RAN网元的存储器中，由RAN网元的某一个处理器调用并执行以上流控单元13的功能，这里所述的处理器可以是一个CPU或者是特定集成电路(Application Specific Intergrated Circuit，简称：ASIC)或者是被配置成实施本发明实施例的一个或多个集成电路。以上确定单元14的实现与流控单元13类似，且可以与流控单元13集成在一起，也可以单独实现。确定单元21的实现与流控单元13类似，且可以与流控单元13集成在一起，也可以单独实现。确定单元21和过载确定单元22的实现与流控单元13类似，且可以与流控单元13集成在一起，也可以单独实现，且确定单元21和过载确定单元22可以独立实现，也可以集成在一起。
请参考图11，其为本发明实施例提供的一种RAN网元的结构示意图。如图11所示，该RAN网元包括处理器1101和接口电路1102，图中还示出了存储器1103和总线1104，该处理器1101、接口电路1102和存储器1103通过总线1104连接并完成相互间的通信。
其中，存储器1103用于存储多个运营商之间共享所述RAN网元的资源比例；通过接口电路1102接收所述多个运营商的核心网CN网元发送的寻呼消息，当所述RAN网元过载时，处理器1101根据存储器1103中存储的资源比例和通过接口电路1102接收到的寻呼消息进行流控。
需要说明的是，这里的处理器1101可以是一个处理器，也可以是多个处 理元件的统称。例如，该处理器可以是CPU，也可以是ASIC，或者是被配置成实施本发明实施例的一个或多个集成电路，例如：一个或多个微处理器(digital singnal processor，简称：DSP)，或，一个或者多个现场可编程门阵列(Field Programmable Gate Array，简称：FPGA)。
存储器1103可以是一个存储装置，也可以是多个存储元件的统称，且用于存储可执行程序代码或RAN网元运行所需要参数、数据等。且存储器1103可以包括随机存储器(RAM)，也可以包括非易失性存储器(non-volatile memory)，例如磁盘存储器，闪存(Flash)等。
总线1104可以是工业标准体系结构(Industry Standard Architecture，简称：ISA)总线、外部设备互连(Peripheral Component，简称：PCI)总线或扩展工业标准体系结构(Extended Industry Standard Architecture，简称：EISA)总线等。该总线1104可以分为地址总线、数据总线、控制总线等。为便于表示，图11中仅用一条粗线表示，但并不表示仅有一根总线或一种类型的总线。
所属领域的技术人员可以清楚地了解到，为描述的方便和简洁，仅以上述各功能模块的划分进行举例说明，实际应用中，可以根据需要而将上述功能分配由不同的功能模块完成，即将装置的内部结构划分成不同的功能模块，以完成以上描述的全部或者部分功能。上述描述的系统，装置和单元的具体工作过程，可以参考前述方法实施例中的对应过程，在此不再赘述。
在本申请所提供的几个实施例中，应该理解到，所揭露的系统，装置和方法，可以通过其它的方式实现。例如，以上所描述的装置实施例仅仅是示意性的，例如，所述模块或单元的划分，仅仅为一种逻辑功能划分，实际实现时可以有另外的划分方式，例如多个单元或组件可以结合或者可以集成到另一个系统，或一些特征可以忽略，或不执行。另一点，所显示或讨论的相互之间的耦合或直接耦合或通信连接可以是通过一些接口，装置或单元的间接耦合或通信连接，可以是电性，机械或其它的形式。
所述作为分离部件说明的单元可以是或者也可以不是物理上分开的，作为单元显示的部件可以是或者也可以不是物理单元，即可以位于一个地方，或者也可以分布到多个网络单元上。可以根据实际的需要选择其中的部分或者全部单元来实现本实施例方案的目的。
另外，在本申请各个实施例中的各功能单元可以集成在一个处理单元中， 也可以是各个单元单独物理存在，也可以两个或两个以上单元集成在一个单元中。上述集成的单元既可以采用硬件的形式实现，也可以采用软件功能单元的形式实现。
所述集成的单元如果以软件功能单元的形式实现并作为独立的产品销售或使用时，可以存储在一个计算机可读取存储介质中。基于这样的理解，本申请的技术方案本质上或者说对现有技术做出贡献的部分或者该技术方案的全部或部分可以以软件产品的形式体现出来，该计算机软件产品存储在一个存储介质中，包括若干指令用以使得一台计算机设备(可以是个人计算机，服务器，或者网络设备等)或处理器(processor)执行本申请各个实施例所述方法的全部或部分步骤。而前述的存储介质包括：U盘、移动硬盘、只读存储器(ROM，Read-Only Memory)、随机存取存储器(RAM，Random Access Memory)、磁碟或者光盘等各种可以存储程序代码的介质。
以上所述，以上实施例仅用以说明本申请的技术方案，而非对其限制；尽管参照前述实施例对本申请进行了详细的说明，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申请各实施例技术方案的精神和范围。

Claims (25)

  1. 一种寻呼消息的流控方法，应用于运营商核心网络MOCN系统中，该MOCN系统包括无线接入网RAN网元和多个运营商的核心网CN网元，该多个运营商的CN网元共享所述RAN网元，其特征在于，所述RAN网元存储有所述多个运营商之间共享所述RAN网元的资源比例，所述方法包括：
    所述RAN网元接收所述多个运营商的CN网元发送的寻呼消息；
    当所述RAN网元过载时，所述RAN网元根据所述资源比例对所接收到的寻呼消息进行流控。
  2. 根据权利要求1所述的方法，其特征在于，所述资源比例表明各运营商占用RAN网元的资源的比例，或者各运营商寻呼的终端的比例。
  3. 根据权利要求1或2所述的方法，其特征在于，当接收到的寻呼消息超过所述RAN网元的寻呼消息阈值时，所述RAN网元过载包括寻呼消息过载；所述寻呼消息阈值小于或等于所述RAN网元在预定周期内能够处理的最大寻呼消息的数量。
  4. 根据权利要求3所述的方法，其特征在于，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
    根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
    确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
    以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控。
  5. 根据权利要求4所述的方法，其特征在于，以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控，包括：
    以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；或者，
    将所述第一运营商的寻呼消息中超过所述第一运营商的寻呼消息目标值的寻呼消息丢弃。
  6. 根据权利要求3所述的方法，其特征在于，根据所述资源比例对所接 收到的寻呼消息进行流控，包括：
    根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
    确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商，和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商；
    确定所述RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值；
    以所述差值为流控阈值，对第一运营商进行寻呼消息的流控。
  7. 根据权利要求6所述的方法，其特征在于，以所述差值为流控阈值，对第一运营商进行寻呼消息的流控，包括：
    当所述第一运营商为一个时，丢弃所述第一运营商的多于所述流控阈值的寻呼消息；或者，
    当所述第一运营商为多个时，根据所述流控阈值和所述资源比例，确定各第一运营商流控目标值；将各第一运营商多于其流控目标值的寻呼消息丢弃。
  8. 根据权利要求1或2所述的方法，其特征在于，所述RAN网元过载包括处理器过载。
  9. 根据权利要求8所述的方法，其特征在于，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
    根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值；
    确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
    对所述第一运营商进行寻呼消息的流控。
  10. 根据权利要求9所述的方法，其特征在于，在根据所述资源比例对所接收到的寻呼消息进行流控之前，还包括：确定所述RAN网元的寻呼消息是否过载；
    且在所述寻呼消息不过载且处理器过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
  11. 根据权利要求9或10所述的方法，其特征在于，对所述第一运营商进行寻呼消息的流控，包括：
    以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息 的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的处理器是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控。
  12. 根据权利要求8所述的方法，其特征在于，根据所述资源比例对所接收到的寻呼消息进行流控，包括：
    降低所述RAN网元的寻呼消息阈值，将降低后的寻呼消息阈值作为流控阈值；
    根据所述流控阈值和所述资源比例，对所接收到的寻呼消息进行流控。
  13. 一种寻呼消息的流控装置，应用于运营商核心网络MOCN系统中，该MOCN系统包括无线接入网RAN网元和多个运营商的核心网CN网元，该多个运营商的CN网元共享所述RAN网元，其特征在于，该装置位于所述RAN网元，且该装置包括：
    存储单元，用于存储多个运营商之间共享所述RAN网元的资源比例；
    接收单元，用于接收所述多个运营商的CN网元发送的寻呼消息；
    流控单元，用于当所述RAN网元过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
  14. 根据权利要求13所述的装置，其特征在于，所述资源比例表明各运营商占用RAN网元的资源的比例，或者各运营商寻呼的终端的比例。
  15. 根据权利要求13或14所述的装置，其特征在于，当所述接收单元接收到的寻呼消息超过所述RAN网元的寻呼消息阈值时，所述RAN网元过载包括寻呼消息过载；所述寻呼消息阈值小于或等于所述RAN网元在预定周期内能够处理的最大寻呼消息的数量。
  16. 根据权利要求15所述的装置，其特征在于，还包括：
    确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，且还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
    所述流控单元，用于以所述第一运营商的寻呼消息目标值为目标，对所述第一运营商进行寻呼消息的流控。
  17. 根据权利要求16所述的装置，其特征在于，所述流控单元用于：
    以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息 的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的寻呼消息是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控；或者，
    将所述第一运营商的寻呼消息中超过所述第一运营商的寻呼消息目标值的寻呼消息丢弃。
  18. 根据权利要求15所述的装置，其特征在于，还包括：
    确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，确定寻呼消息的数量超过对应的寻呼消息目标值的第一运营商和寻呼消息的数量不超过对应的寻呼消息目标值的第二运营商，以及还用于确定所述RAN网元的寻呼消息阈值与第二运营商的寻呼消息的差值；
    所述流控单元，用于以所述差值为流控阈值，对第一运营商进行寻呼消息的流控。
  19. 根据权利要求18所述的装置，其特征在于，所述流控单元用于：
    当所述第一运营商为一个时，丢弃所述第一运营商的多于所述流控阈值的寻呼消息；或者，
    当所述第一运营商为多个时，根据所述流控阈值和所述资源比例，确定各第一运营商流控目标值，且将各第一运营商多于其流控目标值的寻呼消息丢弃。
  20. 根据权利要求13或14所述的装置，其特征在于，所述RAN网元过载包括处理器过载。
  21. 根据权利要求20所述的装置，其特征在于，还包括：
    确定单元，用于根据所述RAN网元的寻呼消息阈值和所述资源比例，确定各运营商的寻呼消息目标值，还用于确定接收到的寻呼消息的数量超过寻呼消息目标值的第一运营商；
    所述流控单元，用于对所述第一运营商进行寻呼消息的流控。
  22. 根据权利要求21所述的装置，其特征在于，还包括：
    过载确定单元，用于确定所述RAN网元的寻呼消息是否过载；
    所述流控单元，用于在所述过载确定单元确定出所述寻呼消息不过载且处理器过载时，根据所述资源比例对所接收到的寻呼消息进行流控。
  23. 根据权利要求21或22所述的装置，其特征在于，所述流控单元用于：
    以步进的方式丢弃所述第一运营商的寻呼消息，且每次丢弃的寻呼消息的数量相同或依次变化，且每次丢弃之后，判断所述RAN网元的处理器是否过载，如果过载，继续以步进的方式丢弃所述第一运营商的寻呼消息，如果不过载，停止寻呼消息的流控。
  24. 根据权利要求20所述的装置，其特征在于，所述流控单元用于：
    降低所述RAN网元的寻呼消息阈值，将降低后的寻呼消息阈值作为流控阈值；
    根据所述流控阈值和所述资源比例，对所接收到的寻呼消息进行流控。
  25. 一种寻呼消息的流控系统，其特征在于，包括：无线接入网RAN网元和多个运营商的核心网CN网元，该多个运营商的CN网元共享所述RAN网元，所述RAN网元包括如权利要求13-24任一项所述的寻呼消息的流控装置。
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