WO2014183712A1 - 信令拥塞的处理方法、装置、基站、系统及存储介质 - Google Patents

信令拥塞的处理方法、装置、基站、系统及存储介质 Download PDF

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Publication number
WO2014183712A1
WO2014183712A1 PCT/CN2014/078992 CN2014078992W WO2014183712A1 WO 2014183712 A1 WO2014183712 A1 WO 2014183712A1 CN 2014078992 W CN2014078992 W CN 2014078992W WO 2014183712 A1 WO2014183712 A1 WO 2014183712A1
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WO
WIPO (PCT)
Prior art keywords
base station
data transmission
rrc connection
signaling
physical resources
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PCT/CN2014/078992
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English (en)
French (fr)
Inventor
章正权
景晓玺
Original Assignee
中兴通讯股份有限公司
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Publication of WO2014183712A1 publication Critical patent/WO2014183712A1/zh

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Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/30—Connection release
    • H04W76/34—Selective release of ongoing connections
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W28/00—Network traffic management; Network resource management
    • H04W28/02—Traffic management, e.g. flow control or congestion control
    • H04W28/0289—Congestion control

Definitions

  • the present invention relates to a processing technique for signaling congestion in a communication system, and more particularly to a method, a device, a base station, a system, and a computer storage medium for processing signaling congestion. Background technique
  • the base station detects that the UE sends a UE context release request message to the mobility management entity (MME, Mobility Management Entity) to request release if there is no service within a certain period of time.
  • MME Mobility Management Entity
  • the RRC (Radio Resource Control) connection is carried, and the reason for carrying is "user inactivity" to save resources.
  • OTT Over The Top
  • the embodiments of the present invention provide a method, a device, a base station, a system, and a computer storage medium for processing signaling congestion, which can effectively solve the signaling storm caused by frequent intermittent small data services.
  • the resulting signaling congestion is a method, a device, a base station, a system, and a computer storage medium for processing signaling congestion, which can effectively solve the signaling storm caused by frequent intermittent small data services. The resulting signaling congestion.
  • An embodiment of the present invention provides a method for processing signaling congestion, where the method includes: identifying a UE that may generate a signaling storm risk; detecting a data transmission situation of the UE; and when the UE has no data transmission but its physical resource is not When stripped, the UE is instructed to strip physical resources.
  • the indicating that the UE strips the physical resource includes: constructing and sending an RRC connection weight And the RRC connection reconfiguration message includes an indication that the corresponding physical resource is released.
  • the method further comprises: re-allocating the physical resource when the UE has data transmission but its physical resource has been stripped.
  • the re-allocating the physical resource to the UE includes: determining a physical resource that is re-allocated for the UE; constructing and transmitting an RRC connection re-configuration message, where the RRC connection re-configuration message carries the information allocated to the UE Physical resource configuration parameters.
  • the identifying a UE that may generate a signaling storm risk includes: identifying a UE that may generate a signaling storm risk according to a UE establishment cause and/or a service type.
  • the method further includes: receiving an establishment cause of the UE and/or detecting the UE service data transmission type.
  • the identifying, by the establishment cause and/or service type of the UE, a UE that may generate a signaling storm risk includes:
  • the UE When the received establishment cause is within the pre-stored establishment cause, the UE is marked as a UE that may generate a signaling storm risk; or
  • the UE When the received establishment cause is within the pre-stored establishment cause and the service data transmission type of the UE is detected to be within the pre-stored service type range, the UE is marked as a UE that may generate a signaling storm risk.
  • the establishment cause is an establishment cause carried by the RRC connection message sent by the UE, or an RRC connection establishment cause of the UE sent by the source base station on the source base station side during handover.
  • the embodiment of the present invention further provides a processing device for signaling congestion, where the device includes: an identification module, a detection module, and a processing module;
  • the identification module is configured to identify a UE that may generate a signaling storm risk
  • the detecting module is configured to detect the possible signaling generated by the identifying module The data transmission situation of the storm-risk UE, and sending the detected data transmission information to the processing module;
  • the processing module is configured to, according to the data transmission information sent by the detecting module, determine that the UE has no data transmission but the physical resource is not stripped, and instruct the UE to strip physical resources.
  • the processing module is configured to construct and send an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes an indication to release the physical resource of the UE.
  • the processing module is further configured to re-allocate physical resources to the UE when the UE has data transmission but the physical resources have been stripped according to the data transmission information sent by the detection module.
  • the processing module is configured to determine a physical resource that is re-allocated for the UE; construct and send an RRC connection reconfiguration message, where the RRC connection reconfiguration message carries a physical resource configuration parameter allocated to the UE.
  • the identifying module is configured to identify UEs that may generate a signaling storm risk according to the establishment cause and/or service type of the UE.
  • the device further includes a receiving module, configured to receive an establishment cause carried by the RRC connection request message sent by the UE, or a RRC connection establishment cause of the UE sent by the source base station on the source base station side, and notify the identification module;
  • a receiving module configured to receive an establishment cause carried by the RRC connection request message sent by the UE, or a RRC connection establishment cause of the UE sent by the source base station on the source base station side, and notify the identification module;
  • the detecting module is further configured to detect a data transmission type of the UE, and notify the identification module; the identifying module is configured to: determine, when the UE establishes an RRC connection request message, the establishment cause, or the UE sent by the source base station When the RRC connection establishment cause of the source base station side is within the pre-stored establishment cause, and/or the data transmission type is within the pre-stored service type range, the UE is marked as a UE that may generate a signaling storm risk.
  • the embodiment of the present invention further provides a base station, where the base station includes a processing device for signaling congestion according to the embodiment of the present invention.
  • An embodiment of the present invention further provides a processing system for signaling congestion, where the system includes: And UE, where,
  • the base station is configured to identify a user equipment UE that may generate a signaling storm risk; detect a data transmission situation of the UE; and when the UE has no data transmission but its physical resources are not stripped, the UE is instructed to be stripped Physical resources;
  • the UE is configured to release the physical resource allocated by the base station according to the indication information sent by the base station.
  • the base station is configured to construct and transmit a Radio Resource Control Protocol RRC Connection Reconfiguration message to the UE; the RRC Connection Reconfiguration message includes an indication to release the corresponding physical resource.
  • the base station is further configured to: when the UE has data transmission but the physical resource has been stripped, re-allocate the physical resource to the UE, and send the physical resource information to the UE;
  • the UE is further configured to reconfigure a physical channel configuration according to physical resource information sent by the base station.
  • the eNB is configured to determine a physical resource that is re-allocated for the UE; and constructs and sends an RRC connection reconfiguration message, where the RRC connection reconfiguration message carries a physical resource configuration parameter allocated for the UE.
  • the embodiment of the present invention further provides a computer storage medium, wherein the computer storage medium stores computer executable instructions, and the computer executable instructions are used to execute the processing method of signaling congestion according to the embodiment of the present invention.
  • the method, the device, the base station, the system, and the computer storage medium provided by the embodiments of the present invention, by identifying a user equipment UE that may generate a signaling storm risk; detecting a data transmission situation of the UE; when the UE has no data transmission but When the physical resources are not stripped, the physical resources of the UE are stripped; thus, the frequent establishment and release of the RRC connection are avoided, and the signaling storm caused by a large number of signaling interactions in the frequent intermittent small data service is mitigated. , alleviating the resulting network Impact, which improves the performance of the communication system.
  • FIG. 1 is a schematic flowchart of a method for processing signaling congestion according to an embodiment of the present invention
  • FIG. 2 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 1 of the present invention
  • FIG. 3 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 2 of the present invention
  • FIG. 4 is a schematic diagram of signaling congestion according to Embodiment 3 of the present invention
  • FIG. 5 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 4 of the present invention
  • FIG. 6 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 5 of the present invention
  • FIG. 8 is a schematic structural diagram of a processing device for signaling congestion according to an embodiment of the present invention.
  • the basic idea of the embodiment of the present invention is: identifying a UE that may generate a signaling storm risk; detecting a data transmission situation of a UE capable of generating a signaling storm risk, and indicating that the data transmission is not stripped when there is no data transmission but the physical resource is not stripped.
  • the UE strips the physical resource; when there is data transmission but its physical resource has been stripped, the UE is re-allocated with physical resources.
  • the physical resource refers to a resource such as a scheduling request (SR, Scheduling Request) resource, a channel quality indicator (CQI, Channel Quality Indicator) resource, and a sounding reference symbol (SRS) allocated to the UE.
  • SR scheduling request
  • CQI Channel Quality Indicator
  • SRS sounding reference symbol
  • the instructing the UE to strip the physical resource refers to the base station instructing the UE to release the physical resource allocated by the base station, and the method may include: configuring and sending an RRC connection reconfiguration message to the UE;
  • the matching message includes an indication that the corresponding physical resource is released, and specifically, may be implemented by setting the corresponding physical resource configuration parameter to be released;
  • the re-allocating the physical resource to the UE includes: determining a physical resource that is re-allocated for the UE; configuring and sending an RRC connection reconfiguration message to the UE, where the RRC connection is heavy
  • the configuration message carries physical resource configuration parameters allocated for the UE.
  • the UE after receiving the RRC connection reconfiguration message, releases the physical resource allocated by the base station or the physical resource configuration parameter carried by the RRC connection reconfiguration message according to the indication of the RRC connection reconfiguration message. Reconfigure the physical channel configuration and reply to the RRC Connection Reconfiguration Complete message.
  • FIG. 1 is a schematic flowchart of a method for processing signaling congestion according to an embodiment of the present invention. As shown in FIG. 1 , a method for processing signaling congestion according to an embodiment of the present invention includes:
  • Step 101 The base station identifies a UE that may generate a signaling storm risk.
  • Step 102 The base station detects a service data transmission situation of the UE that may generate a signaling storm risk, and obtains data transmission information of the UE.
  • Step 103 When the UE has no data transmission but its physical resources are not stripped, the UE is instructed to strip physical resources.
  • the base station acquires physical resource maintenance information of the UE, and performs physical resource stripping of the UE or re-allocating the UE according to the data transmission information and the obtained physical resource maintenance information of the UE. Processing of physical resources, or not processing. Specifically, when the UE has no data transmission but the physical resource is not stripped, the base station strips the physical resource of the UE; when there is data transmission but the physical resource has been stripped, the base station re-establishes The UE allocates physical resources. If the UE has no data transmission and the physical resource has been stripped, or the UE has data transmission and has allocated physical resources, no processing is performed.
  • the instructing the UE to strip the physical resource includes: constructing and transmitting a radio resource control protocol RRC connection reconfiguration message, where the RRC connection reconfiguration message includes an indication that the corresponding physical resource is released.
  • the re-allocating the physical resource to the UE by the base station includes: determining a physical resource that is re-allocated for the UE; constructing and transmitting an RRC connection reconfiguration message, where the RRC connection reconfiguration message carries the UE Physical resource configuration parameters.
  • the UE that may generate the risk of the signaling storm may be identified according to the establishment cause and/or the service type of the UE. Specifically, when the received establishment cause is within the pre-stored establishment cause, the UE is marked. For UEs that may be at risk of signaling storms; or,
  • the UE When the received establishment cause is within the pre-stored establishment cause and the service data transmission type of the UE is detected to be within the pre-stored service type range, the UE is marked as a UE that may generate a signaling storm risk.
  • the method further includes: receiving a reason for establishing the UE and/or detecting a type of the UE service data transmission.
  • the reason for the establishment of the UE may be the establishment cause of the RRC connection request message sent by the UE, or may be the RRC of the UE at the source base station side carried by the handover request message sent by the source base station during handover in the system.
  • the reason for the connection establishment may be the establishment cause of the RRC connection request message sent by the UE, or may be the RRC of the UE at the source base station side carried by the handover request message sent by the source base station during handover in the system. The reason for the connection establishment.
  • the physical resource maintenance information of the UE includes: a record that the base station allocates and releases the physical resource to the UE; wherein the obtaining, by the RRC sublayer of the base station, the information belongs to the prior art in the prior art, and details are not described herein again.
  • the specific implementation manner of stripping the physical resources of the UE and re-allocating the physical resources of the UE is as described above, and details are not described herein again.
  • FIG. 2 is a schematic flowchart diagram of a method for processing signaling congestion according to Embodiment 1 of the present invention.
  • the UE that may generate the signaling storm risk in this embodiment is identified according to the establishment cause of the RRC connection request message carried by the UE.
  • the processing method for signaling congestion in this embodiment includes the following steps:
  • Step 201 The base station pre-stores the establishment cause of the UE that may generate a signaling storm risk.
  • Step 202 When the RRC connection setup initiation condition is met, the UE sends the RRC sublayer to the base station. And sending an RRC connection request message; where the RRC connection request message carries an RRC connection establishment cause.
  • Step 203 The RRC sub-layer receives the RRC connection request message, and determines whether the RRC connection establishment cause carried in the RRC connection request message is within the pre-stored establishment cause. If the result of the determination is yes, marking the UE is possible. The UE that generates the risk of signaling storms is notified to the user plane of the base station; when the result of the determination is no, the current processing flow is ended.
  • the RRC message is a packet that receives the uplink control channel of the base station through the user plane of the base station, and then delivers the message to the RRC sublayer. After decoding by ASN.1, a specific RRC message is obtained, and the RRC connection request message is obtained. The same is true, the same below, will not be repeated.
  • Step 204 The base station user plane detects a service data transmission situation of the UE that may generate a signaling storm risk, and reports the detected data transmission information of the UE to the base station RRC sublayer.
  • Step 205 The base station RRC sublayer acquires the physical resource maintenance information of the UE, and performs stripping the physical resource of the UE according to the received data transmission information of the UE and the obtained physical resource maintenance information of the UE. The process of allocating physical resources to the UE is not performed, or processing is not performed.
  • the base station RRC sublayer strips the physical resources of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes The indication of physical resource release, and then performing step 206; when the UE has data transmission but the physical resource has been stripped, the base station RRC sublayer determines the physical resource re-allocated for the UE, and constructs an RRC connection reconfiguration message.
  • the RRC connection reconfiguration message carries a physical resource configuration parameter allocated to the UE, and then performs step 206; if the UE has no data transmission and the physical resource has been stripped, or the UE has data transmission and is allocated The physical resource is not processed, and the current process is ended.
  • Step 206 The base station RRC sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 207 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station or carried by using the message according to the indication of the RRC connection reconfiguration message.
  • the physical resource configuration parameter reconfigures the physical channel configuration, and returns an RRC connection reconfiguration complete message to the base station RRC sublayer.
  • FIG. 3 is a schematic flowchart diagram of a method for processing signaling congestion according to Embodiment 2 of the present invention.
  • the UE that may generate a signaling storm risk in this embodiment is identified according to the service type of the UE.
  • the processing method for signaling congestion in this embodiment includes the following steps:
  • Step 301 The base station pre-stores a service type of the UE that may generate a signaling storm risk.
  • Step 302 The base station user plane detects a service data transmission type of the UE, and notifies the base station of the RRC sublayer.
  • the method for detecting the service data type of the UE may be used to extract the service data type of the UE by using information such as the service data volume and the service data time interval of the UE, or the protocol for parsing the service data of the UE. Type to achieve. The same below, will not repeat them.
  • Step 303 The RRC sub-layer of the base station determines, according to the service data transmission type and the pre-stored service type of the UE, whether it is a UE that may generate a signaling storm risk: if the service data transmission type of the UE is within the range of the pre-stored service type, marking the UE as The UE may be in danger of signaling storms, and notify the base station user plane; if the service data transmission type of the UE is not in the range of the pre-stored service type, the current processing flow is ended.
  • Step 304 The base station user plane detects a service data transmission situation of the UE that may generate a signaling storm risk, and reports the data transmission information of the detected UE to the base station RRC sublayer.
  • Step 305 The base station RRC sublayer acquires physical resource maintenance information of the UE, and performs physical resource stripping of the UE according to the received data transmission information of the UE and the acquired physical resource maintenance information of the UE. Or re-allocating the physical resource processing to the UE, or not processing.
  • the base station RRC sublayer strips the physical resources of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes An indication of physical resource release, and then performing step 306; when the UE has data transmission but the physical resource has been stripped, the base station RRC sublayer determines to re-report the The RRC connection reconfiguration message is configured by the UE, and the RRC connection reconfiguration message carries the physical resource configuration parameter allocated to the UE, and then step 306 is performed; if the UE has no data transmission and the physical resource has been If the UE has data transmission and physical resources are allocated, the processing is not performed, and the current process is ended.
  • Step 306 The base station RRC sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 307 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station or the physical resource configuration parameter carried by using the RRC connection reconfiguration message according to the indication of the RRC connection reconfiguration message.
  • the physical channel configuration is reconfigured, and the RRC connection reconfiguration complete message is returned to the RRC sublayer of the base station.
  • the method for processing signaling congestion in this embodiment includes the following steps:
  • Step 401 The base station pre-stores the establishment cause and service type of the UE that may generate a signaling storm risk.
  • Step 402 When the RRC connection setup initiation condition is met, the UE sends an RRC connection request message to the base station RRC sublayer.
  • the RRC connection request message carries the establishment cause.
  • Step 403 The RRC sub-layer receives the RRC connection request message, and determines whether the RRC connection establishment cause carried in the RRC connection request message is within the pre-store establishment cause. If the result of the determination is yes, the UE is marked as The UE may generate a signaling storm risk, and notify the base station user plane to jump to step 406. When the result of the determination is no, the base station user plane is notified to perform further detection, and the process proceeds to step 404.
  • Step 404 The base station user plane detects the service data transmission type of the UE, and notifies the base station of the RRC sublayer.
  • Step 405 The base station RRC sublayer determines, according to the service data transmission type and the pre-stored service type of the UE, whether the UE is a UE that may generate a signaling storm risk: if the UE is If the service data transmission type is in the range of the pre-stored service type, the UE is marked as a UE that may generate a signaling storm risk, and the base station user plane is notified, and the process proceeds to step 406; if the service data transmission type of the UE is not in the pre-stored service Within the scope of the type, the current processing flow ends.
  • Step 406 The base station user plane detects a data transmission situation of the UE that may generate a signaling storm risk, and reports the detected data transmission information of the UE to the base station RRC sublayer.
  • Step 407 The base station RRC sublayer acquires the physical resource maintenance information of the UE, and performs physical resource stripping of the UE according to the received data transmission information of the UE and the acquired physical resource maintenance information of the UE. Or re-allocating the physical resource processing to the UE, or not processing.
  • the base station RRC sublayer strips the physical resource of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes Instructing to release the corresponding physical resource, and then performing step 408; when the UE has data transmission but the physical resource has been stripped, the base station RRC sublayer determines to re-allocate the physical resource allocated to the UE, and constructs an RRC connection weight And the RRC connection reconfiguration message carries the physical resource configuration parameter allocated to the UE, and then performs step 408; if the UE has no data transmission and the physical resource has been stripped, or the UE has data transmission and If a physical resource has been allocated, no processing is performed and the current process is ended.
  • Step 408 The base station RRC sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 409 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the RRC connection reconfiguration message or reconfigures the physical resource configuration parameter carried by using the RRC connection reconfiguration message.
  • the physical channel is configured, and the RRC connection reconfiguration complete message is returned to the base station RRC sublayer.
  • FIG. 5 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 4 of the present invention.
  • the UE that may generate the signaling storm risk in this embodiment is identified according to the establishment cause and service type carried in the RRC connection request message sent by the UE.
  • the method for processing signaling congestion in this embodiment includes the following steps: Step 501: The base station pre-stores the establishment cause and service type of the UE that may generate the signaling storm risk.
  • Step 502 When the RRC connection setup initiation condition is met, the UE sends an RRC connection request message to the RRC sublayer of the base station.
  • the RRC connection request message carries the establishment cause.
  • Step 503 The base station RRC sublayer receives the RRC connection request message, and determines whether the establishment cause carried in the RRC connection request message is within the pre-stored establishment cause. When the result of the determination is yes, the base station user is notified to further Detection, go to step 504; when the result of the judgment is no, the current flow is ended.
  • Step 504 The base station user plane detects the service data transmission type of the UE, and notifies the base station of the RRC sublayer.
  • Step 505 The base station RRC sub-layer determines, according to the service data transmission type and the pre-stored service type of the UE, whether the UE is a UE that may generate a signaling storm risk: if the service data transmission type of the UE is within the pre-stored service type range, The UE is marked as a UE that may generate a signaling storm risk, and the base station user plane is notified, and the process proceeds to step 506. If the service data transmission type of the UE is not in the pre-stored service type range, the current processing flow is ended.
  • Step 506 The base station user plane detects a data transmission situation of the UE that may generate a signaling storm risk, and reports the detected data transmission information of the UE to the base station RRC sublayer.
  • Step 507 The base station RRC sublayer acquires the physical resource maintenance information of the UE, and performs physical resource stripping or re-removing the UE according to the received data transmission information of the UE and the acquired physical resource maintenance information of the UE.
  • the physical resource processing is allocated to the UE or not processed.
  • the base station RRC sublayer strips the physical resource of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message is The corresponding physical resource configuration parameter is marked as released, and then step 508 is performed; when the UE has data transmission but the physical resource has been stripped, the base station RRC sublayer determines to re-allocate the physical resource allocated to the UE, and constructs an RRC connection.
  • Step 508 The base station RRC sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 509 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the RRC connection reconfiguration message or reconfigures the physical resource configuration parameter carried by using the RRC connection reconfiguration message. Physical channel configuration, and reply to the RRC sublayer of the base station
  • the fifth embodiment and the sixth embodiment are processing methods for performing signaling congestion in the embodiment of the present invention in a corresponding handover scenario.
  • FIG. 6 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 5 of the present invention. A method for processing congestion of a target base station during S1 handover in the system is shown. As shown in FIG. 6, the method includes the following steps:
  • Step 601 The target base station pre-stores the establishment cause of the UE that may generate the signaling storm risk, or pre-stores the establishment cause and service type of the UE that may generate the signaling storm risk.
  • Step 602 The source base station sends a handover request message to the MME when the S1 handover is initiated.
  • the handover request message carries the RRC connection establishment cause of the UE on the source base station side.
  • Step 603 The MME sends the handover request message to the target base station RRC sublayer.
  • Step 604 After obtaining the handover request message, the RRC sublayer of the target base station determines whether the establishment cause carried in the handover request message is within a pre-stored establishment cause, and when the result of the determination is yes, marking the UE For the UE that may generate the risk of signaling storm, and notify the target base station user plane after the handover is completed, the process goes to step 605; when the result of the determination is no, the current process ends; or, after the handover is completed, the target base station user is notified.
  • the target base station user plane detects the service data transmission type of the UE, and notifies the detected data transmission information of the UE to the target base station RRC sublayer; the target base station RRC sublayer according to the UE service data transmission type and
  • the pre-stored service type determines whether the UE is likely to generate a signaling storm risk The UE, if the service data transmission type of the UE is in the range of the pre-stored service type, marking the UE as a UE that may generate a signaling storm risk, and notifying the target base station user plane, jumping to step 605; if the UE's service data transmission type Not in the range of pre-stored business types, the current processing flow is ended.
  • Step 605 The target base station user plane detects a data transmission situation of the UE that may generate a signaling storm risk, and reports the detected data transmission information of the UE to the target base station RRC sublayer.
  • Step 606 The RRC sub-layer of the target base station acquires physical resource maintenance information of the UE, and performs physical stripping of the UE according to the received data transmission information of the UE and the acquired physical resource maintenance information of the UE.
  • the resource either re-allocates physical resources to the UE or does not process it.
  • the target RRC sublayer strips the physical resources of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes Corresponding physical resource release indication, and then performing step 607;
  • the target base station RRC sublayer determines to re-allocate the physical resource allocated to the UE, and constructs an RRC connection weight
  • the RRC connection reconfiguration message carries the physical resource configuration parameter allocated to the UE, and then performs step 607; if the UE has no data transmission and the physical resource has been stripped, or the UE has data transmission and allocated physical resources , then no processing, end the current process.
  • Step 607 The target eNB sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 608 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the RRC connection reconfiguration message or reconfigures the physical resource configuration parameter carried by using the RRC connection reconfiguration message.
  • the physical channel is configured, and the RRC connection reconfiguration complete message is returned to the base station RRC sublayer.
  • FIG. 7 is a schematic flowchart of a method for processing signaling congestion according to Embodiment 6 of the present invention.
  • a method for processing signal congestion of a target base station during X2 handover in the system is shown, which includes the following steps:
  • Step 701 The target base station pre-stores a reason for establishing a UE that may generate a signaling storm risk, or Pre-storing may establish the cause of the establishment of the signaling storm risk UE and the type of service.
  • Step 702 The source base station sends a handover request message to the target base station when the X2 handover is initiated.
  • the handover request message carries the RRC connection establishment cause of the UE on the source base station side.
  • Step 703 After obtaining the handover request message, the target RRC sub-layer determines whether the RRC connection establishment cause of the UE carried in the handover request message is within the pre-stored establishment cause of the pre-stored cause, and the result of the determination is yes.
  • the target base station user plane is notified for further detection, and the target base station user plane detects the service data transmission type of the UE, and determines whether the UE may generate a message according to the detected UE service data transmission type and the pre-stored service type.
  • the UE is marked as a UE that may generate a signaling storm risk, and the target base station user plane is notified, and the process proceeds to step 704;
  • the data transfer type is not in the range of pre-stored service types, and the current process flow is ended.
  • Step 704 The target base station user plane detects a data transmission situation of the UE that may generate a signaling storm risk, and reports the detected data transmission information of the UE to the target base station RRC sublayer.
  • Step 705 The RRC sub-layer of the target base station acquires physical resource maintenance information of the UE, and performs physical stripping of the UE according to the received data transmission information of the UE and the acquired physical resource maintenance information of the UE.
  • the resource either re-allocates physical resources to the UE or does not process it.
  • the target RRC sublayer when the UE has no data transmission but the physical resource is not stripped, the target RRC sublayer locally strips the physical resource of the UE, and constructs an RRC connection reconfiguration message, where the RRC connection reconfiguration message includes An indication of the corresponding physical resource release, and then performing step 706; when the UE has data transmission but the physical resource has been stripped, the base station RRC sublayer determines to re-allocate the physical resource allocated to the UE, and constructs an RRC connection reconfiguration.
  • the RRC connection reconfiguration message carries a physical resource configuration parameter allocated to the UE, and then step 706 is performed; If the UE has no data transmission and the physical resource has been stripped, or the UE has data transmission and physical resources have been allocated, no processing is performed, and the current process is ended.
  • Step 706 The target eNB sublayer sends an RRC connection reconfiguration message to the UE.
  • Step 707 After receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the RRC connection reconfiguration message or reconfigures the physical resource configuration parameter carried by using the RRC connection reconfiguration message.
  • the physical channel is configured, and the RRC connection reconfiguration complete message is returned to the base station RRC sublayer.
  • FIG. 8 is a schematic structural diagram of a processing apparatus for signaling congestion according to an embodiment of the present invention.
  • the processing device includes: an identification module 81, a detection module 82, and a processing module 83; the identification module 81 is configured to identify a UE that may generate a signaling storm risk;
  • the detecting module 82 is configured to detect the data transmission situation of the UE that may be generated by the identification module 81 and may generate a signaling storm risk, and send the detected data transmission information to the processing module 83;
  • the processing module 83 is configured to, according to the data transmission information sent by the detection module 82, determine that the UE has no data transmission but the physical resource is not stripped, and instruct the UE to strip the physical resource.
  • the indicating that the UE strips the physical resource refers to the base station instructing the UE to release the physical resource allocated by the base station, and the method may include: configuring and sending an RRC connection reconfiguration message to the UE, where the RRC connection reconfiguration message
  • the indication that the corresponding physical resource is released may be specifically implemented by setting a corresponding physical resource configuration parameter to be released.
  • the processing module 83 is configured to construct and send an RRC connection reconfiguration message; the RRC connection reconfiguration message includes an indication to release the physical resource of the UE.
  • the processing module 83 is further configured to re-allocate the physical resource to the UE when the UE has data transmission but the physical resource has been stripped according to the data transmission information sent by the detection module 82.
  • the re-allocating the physical resource to the UE includes: determining a physical resource that is re-allocated to the UE; and configuring, and sending, to the UE, an RRC connection reconfiguration message, where the RRC connection reconfiguration message carries a physical resource configuration parameter allocated to the UE .
  • the processing module 83 is configured to determine a physical resource that is re-allocated for the UE.
  • the RRC connection reconfiguration message is configured and sent, and the RRC connection reconfiguration message carries a physical resource configuration parameter allocated to the UE.
  • the UE after receiving the RRC connection reconfiguration message, releases the physical resource allocated by the base station according to the indication of the message or reconfigures the physical channel configuration by using the physical resource configuration parameter carried in the message, and returns the RRC.
  • the connection reconfiguration complete message after receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the message or reconfigures the physical channel configuration by using the physical resource configuration parameter carried in the message, and returns the RRC.
  • the connection reconfiguration complete message after receiving the RRC connection reconfiguration message, the UE releases the physical resource allocated by the base station according to the indication of the message or reconfigures the physical channel configuration by using the physical resource configuration parameter carried in the message, and returns the RRC.
  • the physical resource maintenance information of the UE includes a record that the base station allocates and releases the physical resource to the UE, and the processing module 83 obtains the physical resource maintenance information of the UE, which belongs to the prior art in the prior art, and details are not described herein.
  • the identifying module 81 is configured to identify a UE that may generate a signaling storm risk according to a UE establishment cause and/or a service type.
  • the apparatus may further include a receiving module, configured to receive an RRC connection establishment cause sent by the UE, or a RRC connection establishment cause of the UE sent by the source base station on the source base station side.
  • the receiving module after receiving the RRC connection request message that is sent by the UE and carrying the RRC connection establishment cause, the receiving module receives the handover request message that is sent by the source base station and carries the RRC connection establishment cause of the UE on the source base station side. Or the detecting module 82 notifies the identification module 81 after detecting the data transmission type of the UE;
  • the identifying module 81 identifies, according to the received RRC connection establishment cause or the detected data transmission type of the UE, that there is a UE that may generate a signaling storm risk, and marks the UE and notifies the detecting module 82; When the RRC connection establishment cause and/or the data transmission type are respectively within the pre-stored establishment cause and/or data type range, marking the UE as a UE that may generate a signaling storm risk; The detecting module 82 detects the data transmission situation of the UE marked as likely to generate a signaling storm risk, and reports the detected data transmission information of the UE to the processing module 83;
  • the processing module 83 performs the process of stripping the physical resources of the UE or re-allocating physical resources to the UE according to the data transmission information of the UE, or does not perform processing. Specifically, when the UE has no data transmission but its physical resources are not stripped, the physical resources of the UE are stripped; when the UE has data transmission but its physical resources have been stripped, The UE allocates physical resources; if the UE has no data transmission and the physical resources have been stripped, or the UE has data transmission and has allocated physical resources, no processing is performed.
  • the detecting module 82 is implemented in a base station user plane, and the receiving module, the identifying module 81, and the processing module 83 are implemented in a base station RRC sublayer.
  • processing units in the signaling congestion processing apparatus of the embodiment of the present invention can be understood by referring to the related description of the foregoing processing method of signaling congestion, and the processing of signaling congestion in the embodiment of the present invention.
  • the processing units in the device may be implemented by an analog circuit that implements the functions described in the embodiments of the present invention, or may be implemented by running software running the functions described in the embodiments of the present invention on the smart terminal.
  • the processing device for signaling congestion in the embodiment may be implemented by a base station in an actual application; the identification module 81 and the detection module 82 in the processing device for signaling congestion may be used by the device in practical applications.
  • Central CPU Central Processing Unit
  • DSP Digital Signal Processor
  • FPGA programmable gate array
  • processing module 83 in the device the transmitter in the device may be implemented in combination with a CPU, or a DSP, or an FPGA; the receiving module in the device may be implemented by a receiver in the device in practical applications.
  • the embodiment of the present invention further provides a base station; the base station includes a processing device for signaling congestion as shown in FIG. 8; each processing unit in the base station is as described in the foregoing signaling congestion processing device, and is no longer Narration.
  • the embodiment of the present invention further provides a processing system for signaling congestion.
  • the system provided by the present invention includes: a base station and a UE, where
  • the base station is configured to identify a user equipment UE that may generate a signaling storm risk; detect a data transmission situation of the UE; and when the UE has no data transmission but its physical resources are not stripped, the UE is instructed to be stripped Physical resources;
  • the UE is configured to release the physical resource allocated by the base station according to the indication information sent by the base station.
  • the base station is configured to construct and transmit a Radio Resource Control Protocol RRC Connection Reconfiguration message to the UE; the RRC Connection Reconfiguration message includes an indication to release the corresponding physical resource.
  • the base station is further configured to: when the UE has data transmission but the physical resource has been stripped, re-allocate the physical resource to the UE, and send the physical resource information to the UE;
  • the UE is further configured to reconfigure a physical channel configuration according to physical resource information sent by the base station.
  • the base station is configured to determine a physical resource that is re-allocated for the UE; and constructs and sends an RRC connection reconfiguration message, where the RRC connection reconfiguration message carries a physical resource configuration parameter allocated for the UE.
  • composition of the base station includes the processing device shown in FIG. 8.
  • Each processing unit in the base station is as described in the foregoing signaling congestion processing device, and details are not described herein again.
  • the reason for the pre-stored in the embodiment of the present invention may be "Delay Tolerant Access” and "Small Data".
  • the pre-stored service type may be "OTT (Over The Top)", but is not limited to This method can be pre-stored by configuring the above-mentioned original configuration in the background network management system.
  • the cause and/or service type may be synchronized to the base station by the background network management, and may be written to the base station related module by configuration file configuration, fixed in the code, or the like; but is not limited thereto.
  • the acquisition of these pre-stored information by the RRC sublayer belongs to the prior art and will not be described again.
  • embodiments of the present invention can be provided as a method, apparatus, device, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or a combination of software and hardware. Moreover, the invention can be embodied in the form of a computer program product embodied on one or more computer-usable storage media (including but not limited to disk storage and optical storage, etc.) including computer usable program code.
  • the computer program instructions can also be stored in a computer readable memory that can direct a computer or other programmable data processing device to operate in a particular manner, such that the instructions stored in the computer readable memory produce an article of manufacture comprising the instruction device.
  • the apparatus implements the functions specified in one or more blocks of a flow or a flow and/or block diagram of the flowchart.
  • the embodiment of the present invention identifies a user equipment UE that may generate a signaling storm risk; detects a data transmission situation of the UE; and when the UE has no data transmission but its physical resources are not stripped, the physical of the UE is stripped. Therefore, the frequent establishment and release of the RRC connection are avoided, the signaling storm caused by a large number of signaling interactions in the frequent intermittent small data service is mitigated, and the resulting impact on the network is alleviated, thereby improving communication. System performance.

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Abstract

一种信令拥塞的处理方法，包括：识别可能产生信令风暴风险的UE;检测所述UE的数据传输情况；当所述UE无数据传输但其物理资源未被剥除时，指示所述UE剥除物理资源。还公开了信令拥塞的处理装置、基站、系统及计算机存储介质。该方法可以避免RRC连接频繁建立和释放，减轻了频发性的间歇小数据业务中大量信令交互引起的信令风暴。

Description

信令拥塞的处理方法、 装置、 基站、 系统及存储介质 技术领域
本发明涉及通信系统中信令拥塞的处理技术， 特别是一种信令拥塞的 处理方法、 装置、 基站、 系统及计算机存储介质。 背景技术
目前， 用户设备（ UE， User Equipment )接入网络后， 基站检测到该 UE如果在一定时间内没有业务， 就会向移动性管理实体（MME， Mobility Management Entity )发送 UE上下文释放请求消息请求释放无线资源控制 ( RRC, Radio Resource Control )连接， 携带原因为 "用户不活动"， 以节 省资源。 但是， 随着智能终端的普及， 业务应用发生了巨大的变化， 频发 性的间歇小数据业务日益兴起， 诸如基于互联网开发的微信等 OTT ( Over The Top )业务会导致 RRC连接反复建立和释放， 产生大量的信令， 引起信 令风暴， 导致严重的网络信令拥塞。 发明内容
为解决现有存在的技术问题， 本发明实施例提供一种信令拥塞的处理 方法、 装置、 基站、 系统及计算机存储介质， 能够有效地解决频发性的间 歇小数据业务引起的信令风暴导致的信令拥塞。
本发明实施例的技术方案是这样实现的：
本发明实施例提供一种信令拥塞的处理方法， 所述方法包括： 识别可 能产生信令风暴风险的 UE; 检测所述 UE的数据传输情况； 当所述 UE无 数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源。
优选地， 所述指示 UE剥除物理资源， 包括： 构造并发送 RRC连接重 配消息； 所述 RRC连接重配消息包含将相应的物理资源释放的指示。
优选地，所述方法还包括： 当所述 UE有数据传输但其物理资源已被剥 除时， 重新为其分配物理资源。
优选地， 所述重新为所述 UE 分配物理资源， 包括： 确定重新为所述 UE分配的物理资源； 构造并发送 RRC连接重配消息， 所述 RRC连接重配 消息携带为所述 UE分配的物理资源配置参数。
优选地， 所述识别可能产生信令风暴风险的 UE， 包括： 根据 UE的建 立原因和 /或业务类型来识别可能产生信令风暴风险的 UE。
优选地，在所述识别可能产生信令风暴风险的 UE之前，所述方法还包 括： 接收所述 UE的建立原因和 /或检测所述 UE业务数据传输类型。
优选地， 所述根据 UE的建立原因和 /或业务类型来识别可能产生信令 风暴风险的 UE， 包括：
当接收到的建立原因在预存的建立原因范围内时，标记所述 UE为可能 产生信令风暴风险的 UE; 或者，
当检测到所述 UE的业务数据传输类型在预存的业务类型范围内时，标 记所述 UE为可能产生信令风暴风险的 UE; 或者，
当接收到的建立原因在预存的建立原因范围内， 并且检测到所述 UE 的业务数据传输类型在预存的业务类型范围内时，标记所述 UE为可能产生 信令风暴风险的 UE。
优选地， 所述建立原因是所述 UE发送的 RRC连接消息携带的建立原 因， 或者是在切换时源基站发送的 UE在源基站侧的 RRC连接建立原因。
本发明实施例还提供一种信令拥塞的处理装置， 所述装置包括： 识别 模块、 检测模块和处理模块； 其中，
所述识别模块， 配置为识别可能产生信令风暴风险的 UE;
所述检测模块， 配置为检测所述识别模块识别出的所述可能产生信令 风暴风险的 UE的数据传输情况，并将检测到的数据传输信息发送给所述处 理模块；
所述处理模块， 配置为根据所述述检测模块发送的数据传输信息确定 所述 UE无数据传输但其物理资源未被剥除时，指示所述 UE剥除物理资源。
优选地， 所述处理模块， 配置为构造并发送 RRC连接重配消息， 所述 RRC连接重配消息包含将所述 UE的物理资源释放的指示。
所述处理模块， 还配置为根据所述检测模块发送的数据传输信息确定 所述 UE有数据传输但其物理资源已被剥除时，重新为所述 UE分配物理资 源。
优选地， 所述处理模块， 配置为确定重新为所述 UE分配的物理资源； 构造并发送 RRC连接重配消息， 所述 RRC连接重配消息携带为所述 UE 分配的物理资源配置参数。
优选地， 所述识别模块， 配置为才艮据 UE的建立原因和 /或业务类型来 识别可能产生信令风暴风险的 UE。
优选地， 所述装置还包括接收模块， 配置为接收所述 UE发送的 RRC 连接请求消息携带的建立原因， 或者源基站发送的 UE在源基站侧的 RRC 连接建立原因， 并通知识别模块；
所述检测模块， 还配置为检测 UE的数据传输类型， 并通知识别模块； 所述识别模块， 配置为当判断所述 UE发送的 RRC连接请求消息携带 的建立原因、 或者源基站发送的 UE在源基站侧的 RRC连接建立原因在预 存的建立原因范围内时， 和 /或所述数据传输类型在预存的业务类型范围内 时， 标记所述 UE为可能产生信令风暴风险的 UE。
本发明实施例还提供一种基站， 所述基站包括本发明实施例所述的信 令拥塞的处理装置。
本发明实施例还提供一种信令拥塞的处理系统， 所述系统包括： 基站 和 UE， 其中，
所述基站， 配置为识别可能产生信令风暴风险的用户设备 UE; 检测所 述 UE的数据传输情况； 当所述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源；
所述 UE， 配置为根据所述基站发送的指示信息， 释放所述基站为其分 配的物理资源。
优选地，所述基站， 配置为构造并向所述 UE发送无线资源控制协议 RRC连接重配消息；所述 RRC连接重配消息包含将相应的物理资源释放 的指示。
优选地，所述基站，还配置为当所述 UE有数据传输但其物理资源已 被剥除时，重新为所述 UE分配物理资源，将所述物理资源信息发送至所 述 UE;
所述 UE，还配置为根据所述基站发送的物理资源信息重配物理信道 配置。
优选地， 所述基站， 配置为确定重新为所述 UE分配的物理资源； 构造 并发送 RRC连接重配消息，所述 RRC连接重配消息携带为所述 UE分配的 物理资源配置参数。
本发明实施例还提供了一种计算机存储介质， 所述计算机存储介质中 存储有计算机可执行指令， 所述计算机可执行指令用于执行本发明实施例 所述的信令拥塞的处理方法。
釆用本发明实施例提供的方法、 装置、 基站、 系统及计算机存储介质， 通过识别可能产生信令风暴风险的用户设备 UE; 检测所述 UE的数据传输 情况； 当所述 UE无数据传输但其物理资源未被剥除时， 剥除所述 UE的物 理资源； 如此， 避免了 RRC连接频繁建立和释放， 减轻了频发性的间歇小 数据业务中大量的信令交互引起的信令风暴， 緩解了由此产生的对网络的 冲击， 从而提升了通信系统的性能。 附图说明
图 1为本发明实施例的信令拥塞的处理方法的流程示意图；
图 2为本发明实施例一的信令拥塞的处理方法的流程示意图； 图 3为本发明实施例二的信令拥塞的处理方法的流程示意图； 图 4为本发明实施例三的信令拥塞的处理方法的流程示意图； 图 5为本发明实施例四的信令拥塞的处理方法的流程示意图； 图 6为本发明实施例五的信令拥塞的处理方法的流程示意图； 图 7为本发明实施例六的信令拥塞的处理方法的流程示意图； 图 8为本发明实施例的信令拥塞的处理装置的组成结构示意图。 具体实施方式
本发明实施例的基本思想是： 识别可能产生信令风暴风险的 UE; 检测 能够产生信令风暴风险的 UE的数据传输情况，当无数据传输但其物理资源 未被剥除时，指示所述 UE剥除物理资源； 当有数据传输但其物理资源已被 剥除时， 重新为所述 UE分配物理资源。 其中， 物理资源是指为所述 UE分 配的诸如调度请求（SR， Scheduling Request ) 资源、 信道质量指示（CQI， Channel Quality Indicator ) 资源、 探测参考符号 （ SRS， Sounding Reference Symbol ) 资源等。
其中，所述指示 UE剥除物理资源是指基站指示所述 UE释放所述基站 为其分配的物理资源， 具体可以包括： 构造并向所述 UE发送 RRC连接重 配消息； 所述 RRC连接重配消息包含将相应的物理资源释放的指示， 具体 的， 可通过置相应的物理资源配置参数标记为释放来实现；
其中， 所述重新为所述 UE分配物理资源， 具体包括： 确定重新为 UE 分配的物理资源； 构造并向 UE发送 RRC连接重配消息，所述 RRC连接重 配消息携带为 UE分配的物理资源配置参数。
相应的， 在 UE侧， UE接收到 RRC连接重配消息后， 根据所述 RRC 连接重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接 重配消息携带的物理资源配置参数重配物理信道配置， 并回复 RRC连接重 配完成消息。
图 1是本发明实施例的信令拥塞的处理方法的流程示意图， 如图 1所 示， 本发明实施例所述的信令拥塞的处理方法包括：
步骤 101 : 基站识别可能产生信令风暴风险的 UE。
步骤 102: 基站检测所述可能产生信令风暴风险的 UE的业务数据传输 情况， 得到所述 UE的数据传输信息。
步骤 103: 当所述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源。
这里， 所述基站获取所述 UE的物理资源维护信息， 并根据所述数据传 输信息和获取的所述 UE的物理资源维护信息，进行剥除所述 UE的物理资 源或者重新为所述 UE分配物理资源的处理， 或者不进行处理。 具体的， 当 所述 UE无数据传输但物理资源未被剥除时，所述基站剥除所述 UE的物理 资源； 当有数据传输但物理资源已被剥除时， 所述基站重新为所述 UE分配 物理资源。 如果所述 UE无数据传输且物理资源已被剥除， 或者所述 UE有 数据传输且已分配物理资源， 则不进行处理。
其中， 所述指示所述 UE剥除物理资源， 包括： 构造并发送无线资源控 制协议 RRC连接重配消息， 所述 RRC连接重配消息包含将相应的物理资 源释放的指示。
其中， 所述基站重新为所述 UE分配物理资源， 包括： 确定重新为所述 UE分配的物理资源； 构造并发送 RRC连接重配消息， 所述 RRC连接重配 消息携带为所述 UE分配的物理资源配置参数。 其中，所述可能产生信令风暴风险的 UE可以根据所述 UE的建立原因 和 /或业务类型来识别； 具体的， 当接收到的建立原因在预存的建立原因范 围内时， 标记所述 UE为可能产生信令风暴风险的 UE; 或者，
当检测到所述 UE的业务数据传输类型在预存的业务类型范围内时，标 记所述 UE为可能产生信令风暴风险的 UE; 或者，
当接收到的建立原因在预存的建立原因范围内， 并且检测到所述 UE 的业务数据传输类型在预存的业务类型范围内时，标记所述 UE为可能产生 信令风暴风险的 UE。
相应地， 在步骤 101之前， 所述方法还包括： 接收所述 UE的建立原因 和 /或检测所述 UE业务数据传输类型。
其中， 所述 UE的建立原因可以是所述 UE发送的 RRC连接请求消息 携带的建立原因， 也可以是在系统内切换时源基站发送的切换请求消息携 带的所述 UE在源基站侧的 RRC连接建立原因。
所述 UE的物理资源维护信息包括： 基站对所述 UE分配、 释放物理资 源的记录； 其中， 所述基站 RRC子层获取该信息属于本领域的现有技术， 此处不再赘述。剥除所述 UE的物理资源和重新为所述 UE分配物理资源的 具体实现方式如前所述， 不再赘述。
下面结合附图及具体实施例， 对本发明技术方案的实施作进一步的详 细描述。
图 2是本发明实施例一的信令拥塞的处理方法的流程示意图。 本实施 例中可能产生信令风暴风险的 UE是根据 UE发送的 RRC连接请求消息携 带的建立原因来识别的。 如图 2所示， 本实施例中信令拥塞的处理方法包 括以下步骤：
步骤 201 : 基站预存可能产生信令风暴风险 UE的建立原因。
步骤 202: 当满足 RRC连接建立发起条件时， UE向基站 RRC子层发 送 RRC连接请求消息； 其中， 所述 RRC连接请求消息携带 RRC连接建立 原因。
步骤 203: 基站 RRC子层接收 RRC连接请求消息， 判断所述 RRC连 接请求消息携带的 RRC连接建立原因是否在预存的建立原因范围内， 当判 断的结果为是时， 则标记所述 UE为可能产生信令风暴风险的 UE， 并通知 基站用户面； 当判断的结果为否时， 则结束当前处理流程。
其中， 本领域的技术人员应当知道 RRC消息是通过基站用户面收到基 站上行控制信道的报文， 然后投递给 RRC子层的， 通过 ASN.1解码后得到 具体的 RRC消息， RRC连接请求消息也是如此， 下同， 将不再赘述。
步骤 204: 基站用户面检测可能产生信令风暴风险的 UE的业务数据传 输情况， 并将检测到的所述 UE的数据传输信息报告给基站 RRC子层。
步骤 205: 基站 RRC子层获取所述 UE的物理资源维护信息， 并根据 接收到的所述 UE的数据传输信息和获取的所述 UE的物理资源维护信息， 进行剥除所述 UE物理资源或者重新为所述 UE分配物理资源的处理，或者 不进行处理。 具体的， 当所述 UE无数据传输但物理资源未被剥除时， 基站 RRC子层剥除所述 UE的物理资源， 并构造 RRC连接重配消息，所述 RRC 连接重配消息包括将相应的物理资源释放的指示， 然后执行步骤 206; 当所 述 UE有数据传输但物理资源已被剥除时， 基站 RRC子层确定重新为所述 UE分配的物理资源， 并构造 RRC连接重配消息， 所述 RRC连接重配消息 携带为所述 UE 分配的物理资源配置参数， 然后执行步骤 206; 如果所述 UE无数据传输且物理资源已被剥除， 或者所述 UE有数据传输且已分配物 理资源， 则不进行处理， 结束当前流程。
步骤 206: 基站 RRC子层向所述 UE发送 RRC连接重配消息。
步骤 207: 所述 UE接收到 RRC连接重配消息后， 根据所述 RRC连接 重配消息的指示释放所述基站为其分配的物理资源或者使用该消息携带的 物理资源配置参数重配物理信道配置， 并向基站 RRC子层回复 RRC连接 重配完成消息。
图 3是本发明实施例二的信令拥塞的处理方法的流程示意图。 本实施 例中可能产生信令风暴风险的 UE是根据所述 UE的业务类型来识别的。如 图 3所示， 本实施例中信令拥塞的处理方法包括以下步骤：
步骤 301 : 基站预存可能产生信令风暴风险 UE的业务类型。
步骤 302: 基站用户面检测所述 UE的业务数据传输类型， 并通知基站 RRC子层。
其中，检测所述 UE的业务数据传输类型可以通过统计所述 UE的业务 数据量、业务数据时间间隔等信息来提取所述 UE的业务数据类型，也可以 通过解析所述 UE的业务数据的协议类型来实现。 下同， 将不再赘述。
步骤 303: 基站 RRC子层根据 UE的业务数据传输类型和预存业务类 型判断是否为可能产生信令风暴风险的 UE: 如果 UE的业务数据传输类型 在预存业务类型范围内， 则标记所述 UE为可能产生信令风暴风险的 UE， 并通知基站用户面； 如果 UE 的业务数据传输类型不在预存业务类型范围 内， 则结束当前处理流程。
步骤 304: 基站用户面检测可能产生信令风暴风险的 UE的业务数据传 输情况， 并将检测到所述 UE的数据传输信息报告给基站 RRC子层。
步骤 305: 基站 RRC子层获取所述 UE的物理资源维护信息， 并根据 接收到的所述 UE的数据传输信息和获取的所述 UE的物理资源维护信息， 进行剥除所述 UE的物理资源或者重新为所述 UE分配物理资源处理，或者 不进行处理。 具体的， 当所述 UE无数据传输但物理资源未被剥除时， 基站 RRC子层剥除所述 UE的物理资源， 并构造 RRC连接重配消息，所述 RRC 连接重配消息包括将相应的物理资源释放的指示， 然后执行步骤 306; 当所 述 UE有数据传输但物理资源已被剥除时， 基站 RRC子层确定重新为所述 UE分配的物理资源， 并构造 RRC连接重配消息， 所述 RRC连接重配消息 携带为所述 UE 分配的物理资源配置参数， 然后执行步骤 306; 如果所述 UE无数据传输且物理资源已被剥除， 或者所述 UE有数据传输且已分配物 理资源， 则不进行处理， 结束当前流程。
步骤 306: 基站 RRC子层向所述 UE发送 RRC连接重配消息。
步骤 307： 所述 UE接收到所述 RRC连接重配消息后， 根据所述 RRC 连接重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接 重配消息携带的物理资源配置参数重配物理信道配置， 并向基站 RRC子层 回复 RRC连接重配完成消息。
图 4是本发明实施例三的信令拥塞的处理方法的流程示意图。 本实施 例中可能产生信令风暴风险的 UE是根据 UE发送的 RRC连接请求消息携 带的建立原因或业务类型来识别的。 如图 4所示， 本实施例中信令拥塞的 处理方法， 包括以下步骤：
步骤 401 :基站预存可能产生信令风暴风险 UE的建立原因和业务类型。 步骤 402: 当满足 RRC连接建立发起条件时， UE向基站 RRC子层发 送 RRC连接请求消息； 其中， 所述 RRC连接请求消息携带建立原因。
步骤 403:基站 RRC子层接收所述 RRC连接请求消息，判断所述 RRC 连接请求消息携带的 RRC连接建立原因是否在预存建立原因范围内， 当判 断的结果为是时， 则标记所述 UE为可能产生信令风暴风险的 UE， 并通知 基站用户面， 跳转至步骤 406; 当判断的结果为否时， 则通知基站用户面做 进一步检测， 跳转至步骤 404。
步骤 404: 基站用户面检测 UE的业务数据传输类型， 并通知基站 RRC 子层。
步骤 405: 基站 RRC子层根据所述 UE的业务数据传输类型和预存业 务类型判断所述 UE是否为可能产生信令风暴风险的 UE: 如果所述 UE的 业务数据传输类型在预存业务类型范围内，则标记所述 UE为可能产生信令 风暴风险的 UE， 并通知基站用户面， 跳转至步骤 406; 如果所述 UE的业 务数据传输类型不在预存业务类型范围内， 则结束当前处理流程。
步骤 406: 基站用户面检测可能产生信令风暴风险的 UE的数据传输情 况， 并将检测到的所述 UE的数据传输信息报告给基站 RRC子层。
步骤 407: 基站 RRC子层获取所述 UE的物理资源维护信息， 并根据 接收到的所述 UE的数据传输信息和获取的所述 UE的物理资源维护信息， 进行剥除所述 UE的物理资源或者重新为所述 UE分配物理资源处理，或者 不进行处理。 具体的， 当所述 UE无数据传输但物理资源未被剥除时， 所述 基站 RRC子层剥除所述 UE的物理资源，并构造 RRC连接重配消息，所述 RRC连接重配消息包括将相应的物理资源释放的指示， 然后执行步骤 408; 当所述 UE有数据传输但物理资源已被剥除时， 基站 RRC子层确定重新为 所述 UE分配的物理资源， 并构造 RRC连接重配消息， 所述 RRC连接重配 消息携带为所述 UE分配的物理资源配置参数， 然后执行步骤 408; 如果所 述 UE无数据传输且物理资源已被剥除，或者所述 UE有数据传输且已分配 物理资源， 则不进行处理， 结束当前流程。
步骤 408: 基站 RRC子层向 UE发送 RRC连接重配消息。
步骤 409: UE接收到所述 RRC连接重配消息后， 根据所述 RRC连接 重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接重配 消息携带的物理资源配置参数重配物理信道配置， 并向基站 RRC子层回复 RRC连接重配完成消息。
图 5是本发明实施例四的信令拥塞的处理方法的流程示意图。 本实施 例中可能产生信令风暴风险的 UE是根据 UE发送的 RRC连接请求消息携 带的建立原因和业务类型来识别的。 如图 5 所示， 本实施例中信令拥塞的 处理方法， 包括以下步骤： 步骤 501 :基站预存可能产生信令风暴风险 UE的建立原因和业务类型。 步骤 502: 满足 RRC连接建立发起条件时， UE向基站 RRC子层发送 RRC连接请求消息； 其中， 所述 RRC连接请求消息携带建立原因。
步骤 503:基站 RRC子层接收所述 RRC连接请求消息，判断所述 RRC 连接请求消息携带的建立原因是否在预存的建立原因范围内， 当判断的结 果为是时， 则通知基站用户面做进一步检测， 跳转至步骤 504; 当判断的结 果为否时， 则结束当前流程。
步骤 504: 基站用户面检测所述 UE的业务数据传输类型， 并通知基站 RRC子层。
步骤 505: 基站 RRC子层根据所述 UE的业务数据传输类型和预存业 务类型判断所述 UE是否为可能产生信令风暴风险的 UE: 如果 UE的业务 数据传输类型在预存业务类型范围内，则标记所述 UE为可能产生信令风暴 风险的 UE， 并通知基站用户面， 跳转至步骤 506; 如果 UE的业务数据传 输类型不在预存业务类型范围内， 则结束当前处理流程。
步骤 506: 基站用户面检测可能产生信令风暴风险的 UE的数据传输情 况， 并将检测到的所述 UE的数据传输信息报告给基站 RRC子层。
步骤 507: 基站 RRC子层获取所述 UE的物理资源维护信息， 并根据 接收到的所述 UE的数据传输信息和获取的 UE的物理资源维护信息，进行 剥除所述 UE的物理资源或者重新为所述 UE分配物理资源处理，或者不进 行处理。具体的， 当所述 UE无数据传输但物理资源未被剥除时，基站 RRC 子层剥除所述 UE的物理资源，并构造 RRC连接重配消息，在所述 RRC连 接重配消息中将相应的物理资源配置参数标记为释放， 然后执行步骤 508; 当所述 UE有数据传输但物理资源已被剥除时， 基站 RRC子层确定重新为 所述 UE分配的物理资源， 并构造 RRC连接重配消息， 携带为所述 UE分 配的物理资源配置参数， 然后执行步骤 508; 如果所述 UE无数据传输且物 理资源已被剥除，或者所述 UE有数据传输且已分配物理资源，则不进行处 理， 结束当前流程。
步骤 508: 基站 RRC子层向 UE发送 RRC连接重配消息。
步骤 509: UE接收到所述 RRC连接重配消息后， 根据所述 RRC连接 重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接重配 消息携带的物理资源配置参数重配物理信道配置， 并向基站 RRC子层回复
RRC连接重配完成消息。
实施例五和实施例六是在相应切换场景中执行本发明实施例的信令拥 塞的处理方法。
图 6是本发明实施例五的信令拥塞的处理方法的流程示意图。 示出了 系统内 S1切换时目标基站信令拥塞的处理方法， 如图 6所示， 所述方法包 括以下步骤：
步骤 601 : 目标基站预存可能产生信令风暴风险 UE的建立原因， 或者 预存可能产生信令风暴风险 UE的建立原因和业务类型。
步骤 602: 当发起 S1切换时， 源基站向 MME发送切换请求消息； 其 中， 所述切换请求消息携带 UE在源基站侧的 RRC连接建立原因。
步骤 603: MME向目标基站 RRC子层发送所述切换请求消息。
步骤 604: 所述目标基站 RRC子层获取到所述切换请求消息后， 判断 所述切换请求消息携带的建立原因是否在预存建立原因范围内， 当判断的 结果为是时， 则标记所述 UE为可能产生信令风暴风险的 UE， 并在切换完 成后通知目标基站用户面， 跳转至步骤 605; 当判断的结果为否时， 则结束 当前流程； 或者， 在切换完成后通知目标基站用户面做进一步检测， 目标 基站用户面检测 UE的业务数据传输类型，并将检测到的所述 UE的数据传 输信息通知目标基站 RRC子层；所述目标基站 RRC子层根据 UE业务数据 传输类型和预存业务类型判断所述 UE是否为可能产生信令风暴风险的 UE, 如果 UE 的业务数据传输类型在预存业务类型范围内， 标记所述 UE 为可能产生信令风暴风险的 UE，并通知目标基站用户面，跳转至步骤 605; 如果 UE 的业务数据传输类型不在预存业务类型范围内， 结束当前处理流 程。
步骤 605: 目标基站用户面检测可能产生信令风暴风险的 UE的数据传 输情况，并将检测到的所述 UE的数据传输信息报告给目标基站 RRC子层。
步骤 606: 目标基站 RRC子层获取所述 UE的物理资源维护信息， 并 根据接收到的所述 UE的数据传输信息和获取的所述 UE的物理资源维护信 息， 进行剥除所述 UE的物理资源或者重新为所述 UE分配物理资源处理， 或者不进行处理。 具体的， 当所述 UE无数据传输但物理资源未被剥除时， 目标基站 RRC子层剥除所述 UE的物理资源， 并构造 RRC连接重配消息， 所述 RRC连接重配消息包括将相应的物理资源释放的指示， 然后执行步骤 607; 当所述 UE有数据传输但物理资源已被剥除时， 目标基站 RRC子层确 定重新为所述 UE分配的物理资源， 并构造 RRC连接重配消息， 所述 RRC 连接重配消息携带为所述 UE分配的物理资源配置参数，然后执行步骤 607; 如果 UE无数据传输且物理资源已被剥除，或者 UE有数据传输且已分配物 理资源， 则不进行处理， 结束当前流程。
步骤 607: 目标基站 RRC子层向 UE发送 RRC连接重配消息。
步骤 608: UE接收到所述 RRC连接重配消息后， 根据所述 RRC连接 重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接重配 消息携带的物理资源配置参数重配物理信道配置， 并向基站 RRC子层回复 RRC连接重配完成消息。
图 7是本发明实施例六的信令拥塞的处理方法的流程示意图。 示出了 系统内 X2切换时目标基站信令拥塞的处理方法， 包括以下步骤：
步骤 701 : 目标基站预存可能产生信令风暴风险 UE的建立原因， 或者 预存可能产生信令风暴风险 UE的建立原因和业务类型。
步骤 702: 当发起 X2切换时， 源基站向目标基站发送切换请求消息； 其中， 所述切换请求消息携带 UE在源基站侧的 RRC连接建立原因。
步骤 703: 目标基站 RRC子层获取到所述切换请求消息后， 判断所述 切换请求消息携带的 UE在源基站侧的 RRC连接建立原因是否在预存的建 立原因范围内， 当判断的结果为是时， 则标记所述 UE为可能产生信令风暴 风险的 UE， 并在切换完成后通知目标基站用户面， 跳转至步骤 704; 当判 断的结果为否时， 则结束当前流程； 或者， 在切换完成后通知所述目标基 站用户面做进一步检测， 所述目标基站用户面检测 UE 的业务数据传输类 型，并根据检测到的 UE业务数据传输类型和预存业务类型判断所述 UE是 否可能产生信令风暴风险，如果 UE的业务数据传输类型在预存的业务类型 范围内， 标记所述 UE为可能产生信令风暴风险的 UE， 并通知目标基站用 户面， 跳转至步骤 704; 如果 UE的业务数据传输类型不在预存的业务类型 范围内， 结束当前处理流程。
步骤 704: 目标基站用户面检测可能产生信令风暴风险的 UE的数据传 输情况，并将检测到的所述 UE的数据传输信息报告给目标基站 RRC子层。
步骤 705: 目标基站 RRC子层获取所述 UE的物理资源维护信息， 并 根据接收到的所述 UE的数据传输信息和获取的所述 UE的物理资源维护信 息， 进行剥除所述 UE的物理资源或者重新为所述 UE分配物理资源处理， 或者不进行处理。 具体的， 当所述 UE无数据传输但物理资源未被剥除时， 目标基站 RRC子层本地剥除该 UE的物理资源，并构造 RRC连接重配消息， 所述 RRC连接重配消息包括将相应的物理资源释放的指示， 然后执行步骤 706; 当所述 UE有数据传输但物理资源已被剥除时，基站 RRC子层确定重 新为所述 UE分配的物理资源，并构造 RRC连接重配消息，所述 RRC连接 重配消息携带为所述 UE分配的物理资源配置参数， 然后执行步骤 706; 如 果所述 UE无数据传输且物理资源已被剥除，或者所述 UE有数据传输且已 分配物理资源， 则不进行处理， 结束当前流程。
步骤 706: 目标基站 RRC子层向 UE发送 RRC连接重配消息。
步骤 707: UE接收到所述 RRC连接重配消息后， 根据所述 RRC连接 重配消息的指示释放基站为其分配的物理资源或者使用所述 RRC连接重配 消息携带的物理资源配置参数重配物理信道配置， 并向基站 RRC子层回复 RRC连接重配完成消息。
图 8是本发明实施例的信令拥塞的处理装置的组成结构示意图。如图 8 所述， 所述处理装置包括： 识别模块 81、 检测模块 82和处理模块 83; 所述识别模块 81， 配置为识别可能产生信令风暴风险的 UE;
所述检测模块 82，配置为检测所述识别模块 81识别出的所述可能产生 信令风暴风险的 UE的数据传输情况，并将检测到的所述数据传输信息发送 给所述处理模块 83;
所述处理模块 83:配置为根据所述检测模块 82发送的数据传输信息确 定所述 UE无数据传输但其物理资源未被剥除时，指示所述 UE剥除物理资 源。
其中，所述指示所述 UE剥除物理资源是指基站指示 UE释放所述基站 为其分配的物理资源， 具体可以包括： 构造并向 UE发送 RRC连接重配消 息， 所述 RRC连接重配消息包含将相应的物理资源释放的指示， 具体的， 可以通过设置相应的物理资源配置参数标记为释放来实现。 相应地， 所述 处理模块 83， 配置为构造并发送 RRC连接重配消息； 所述 RRC连接重配 消息包含将所述 UE的物理资源释放的指示。
优选地， 所述处理模块 83，还配置为根据所述检测模块 82发送的数据 传输信息确定所述 UE有数据传输但其物理资源已被剥除时， 重新为所述 UE分配物理资源。 其中， 所述重新为 UE分配物理资源， 具体包括： 确定重新为 UE分配 的物理资源； 构造并向 UE发送 RRC连接重配消息，所述 RRC连接重配消 息携带为 UE分配的物理资源配置参数。 相应地， 所述处理模块 83， 配置 为确定重新为所述 UE分配的物理资源； 构造并发送 RRC连接重配消息， 所述 RRC连接重配消息携带为所述 UE分配的物理资源配置参数。
相应的， 在 UE侧， UE接收到 RRC连接重配消息后， 根据所述消息 的指示释放基站为其分配的物理资源或者使用该消息携带的物理资源配置 参数重配物理信道配置， 并回复 RRC连接重配完成消息。
其中， 所述 UE的物理资源维护信息包括基站对 UE分配、 释放物理资 源的记录， 所述处理模块 83获取所述 UE的物理资源维护信息属于本领域 的现有技术， 不再赘述。
优选地， 所述识别模块 81， 配置为根据 UE的建立原因和 /或业务类型 来识别可能产生信令风暴风险的 UE。
由此， 本实施例中， 所述装置还可以包括接收模块， 配置为接收 UE 发送的 RRC连接建立原因，或者源基站发送的 UE在源基站侧的 RRC连接 建立原因。
具体来说， 所述接收模块接收到 UE发送的携带 RRC连接建立原因的 RRC连接请求消息后，或接收到源基站发送的携带有 UE在源基站侧的 RRC 连接建立原因的切换请求消息后， 或者检测模块 82在检测所述 UE的数据 传输类型后， 通知所述识别模块 81 ;
所述识别模块 81根据接收到的所述 RRC连接建立原因或检测到的所 述 UE的数据传输类型识别存在可能产生信令风暴风险的 UE， 对所述 UE 进行标记并通知检测模块 82; 其中， 当 RRC连接建立原因和 /或数据传输 类型分别在预存的建立原因和 /或数据类型范围内时， 标记所述 UE为可能 产生信令风暴风险的 UE; 所述检测模块 82检测上述标记为可能产生信令风暴风险的 UE的数据 传输情况， 并将检测到的所述 UE的数据传输信息报告给处理模块 83;
本实施例中， 所述处理模块 83根据所述 UE的数据传输信息， 进行剥 除所述 UE的物理资源或者重新为所述 UE分配物理资源处理，或者不进行 处理。 具体的， 当所述 UE无数据传输但其物理资源未被剥除时， 剥除所述 UE的物理资源； 当所述 UE有数据传输但其物理资源已被剥除时， 重新为 所述 UE分配物理资源； 如果所述 UE无数据传输且物理资源已被剥除， 或 者 UE有数据传输且已分配物理资源， 则不进行处理。
本实施例中，所述检测模块 82是在基站用户面中实现，所述接收模块、 所述识别模块 81和所述处理模块 83在基站 RRC子层中实现。
本领域技术人员应当理解， 本发明实施例的信令拥塞的处理装置中各 处理单元的功能， 可参照前述信令拥塞的处理方法的相关描述而理解， 本 发明实施例的信令拥塞的处理装置中各处理单元， 可通过实现本发明实施 例所述的功能的模拟电路而实现， 也可以通过执行本发明实施例所述的功 能的软件在智能终端上的运行而实现。
其中， 本实施例所述的信令拥塞的处理装置， 在实际应用中， 可由基 站实现； 所述信令拥塞的处理装置中的识别模块 81和检测模块 82， 在实际 应用中可由所述装置中的中央处理器 （ CPU、 Central Processing Unit )、 或 数字信号处理器（DSP、 Digital Signal Processor ),或可编程门阵列（ FPGA、 Field-Programmable Gate Array ) 实现； 所述装置中的处理模块 83， 在实际 应用中， 可由所述装置中的发射机结合 CPU、 或 DSP、 或 FPGA实现； 所 述装置中的接收模块， 在实际应用中， 可由所述装置中的接收机实现。
本发明实施例还提供了一种基站； 所述基站包括如图 8 所示的信令拥 塞的处理装置； 所述基站中的各处理单元如上述信令拥塞的处理装置所述， 这里不再赘述。 本发明实施例还提供了一种信令拥塞的处理系统； 本发明提供的系统 包括： 基站和 UE， 其中，
所述基站， 配置为识别可能产生信令风暴风险的用户设备 UE; 检测所 述 UE的数据传输情况； 当所述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源；
所述 UE， 配置为根据所述基站发送的指示信息， 释放所述基站为其分 配的物理资源。
优选地，所述基站， 配置为构造并向所述 UE发送无线资源控制协议 RRC连接重配消息；所述 RRC连接重配消息包含将相应的物理资源释放 的指示。
优选地，所述基站，还配置为当所述 UE有数据传输但其物理资源已 被剥除时，重新为所述 UE分配物理资源，将所述物理资源信息发送至所 述 UE;
所述 UE，还配置为根据所述基站发送的物理资源信息重配物理信道 配置。
优选地， 所述基站， 配置为确定重新为所述 UE分配的物理资源； 构 造并发送 RRC连接重配消息， 所述 RRC连接重配消息携带为所述 UE 分配的物理资源配置参数。
本领域技术人员应当理解， 本发明实施例的基站的功能， 可参照前 述信令拥塞的处理方法的相关描述而理解。
本实施例中， 所述基站的组成结构包括图 8所示的处理装置， 所述基 站中的各处理单元如上述信令拥塞的处理装置所述， 这里不再赘述。
本发明实施例中预存的建立原因可以为 "延迟容忍接入（ Delay Tolerant Access )" , "小数据（SmallData )" ,预存的业务类型可以为 "OTT ( Over The Top )" , 但不局限于此； 预存的方式可以是通过在后台网管配置上述建立原 因和 /或业务类型， 再由后台网管同步到基站； 也可以通过配置文件配置、 在代码中固定等方式将上述建立原因和 /或业务类型写入基站相关模块； 但 不局限于此。 RRC子层获取这些预存的信息属于现有技术， 不再赘述。
本领域内的技术人员应明白， 本发明的实施例可提供为方法、 装置、 设备、 或计算机程序产品。 因此， 本发明可釆用硬件实施例、 软件实施例、 或结合软件和硬件方面的实施例的形式。 而且， 本发明可釆用在一个或多 个其中包含有计算机可用程序代码的计算机可用存储介质 (包括但不限于 磁盘存储器和光学存储器等 )上实施的计算机程序产品的形式。
本发明是参照根据本发明实施例的方法、 装置、 设备、 和计算机程序 产品的流程图和 /或方框图来描述的。 应理解可由计算机程序指令实现流程 图和 /或方框图中的每一流程和 /或方框、以及流程图和 /或方框图中的流程和 /或方框的结合。 可提供这些计算机程序指令到通用计算机、 专用计算机、 嵌入式处理机或其他可编程数据处理设备的处理器以产生一个机器， 使得 在流程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功 能的装置。
这些计算机程序指令也可存储在能引导计算机或其他可编程数据处理 设备以特定方式工作的计算机可读存储器中， 使得存储在该计算机可读存 储器中的指令产生包括指令装置的制造品， 该指令装置实现在流程图一个 流程或多个流程和 /或方框图一个方框或多个方框中指定的功能。
这些计算机程序指令也可装载到计算机或其他可编程数据处理设备 上， 使得在计算机或其他可编程设备上执行一系列操作步骤以产生计算机 实现的处理， 从而在计算机或其他可编程设备上执行的指令提供用于实现 在流程图一个流程或多个流程和 /或方框图一个方框或多个方框中指定的功 能的步骤。 以上所述， 仅为本发明的较佳实施例而已， 并非用于限定本发明的保 护范围。 工业实用性
本发明实施例通过识别可能产生信令风暴风险的用户设备 UE; 检测所 述 UE的数据传输情况； 当所述 UE无数据传输但其物理资源未被剥除时， 剥除所述 UE的物理资源； 如此， 避免了 RRC连接频繁建立和释放， 减轻 了频发性的间歇小数据业务中大量的信令交互引起的信令风暴， 緩解了由 此产生的对网络的冲击， 从而提升了通信系统的性能。

Claims

权利要求书
1、 一种信令拥塞的处理方法， 所述方法包括：
识别可能产生信令风暴风险的用户设备 UE; 检测所述 UE的数据传输 情况； 当所述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除 物理资源。
2、 根据权利要求 1所述的处理方法， 其中， 所述指示所述 UE剥除物 理资源， 包括： 构造并发送无线资源控制协议 RRC 连接重配消息； 所述 RRC连接重配消息包含将相应的物理资源释放的指示。
3、 根据权利要求 1所述的处理方法， 其中， 所述方法还包括： 当所述 UE有数据传输但其物理资源已被剥除时， 重新为所述 UE分配物理资源。
4、 根据权利要求 3所述的处理方法， 其中， 所述重新为所述 UE分配 物理资源， 包括：
确定重新为所述 UE分配的物理资源；构造并发送 RRC连接重配消息， 所述 RRC连接重配消息携带为所述 UE分配的物理资源配置参数。
5、 根据权利要求 1至 4任一项所述的处理方法， 其中， 所述识别可能 产生信令风暴风险的 UE， 包括： 根据 UE的建立原因和 /或业务类型来识别 可能产生信令风暴风险的 UE。
6、 根据权利要求 1至 4任一项所述的处理方法， 其中， 在所述识别可 能产生信令风暴风险的 UE之前， 所述方法还包括：
接收所述 UE的建立原因和 /或检测所述 UE业务数据传输类型。
7、 根据权利要求 5所述的处理方法， 其中， 所述根据 UE的建立原因 和 /或业务类型来识别可能产生信令风暴风险的 UE， 包括：
当接收到的建立原因在预存的建立原因范围内时，标记所述 UE为可能 产生信令风暴风险的 UE; 或者，
当检测到所述 UE的业务数据传输类型在预存的业务类型范围内时，标 记所述 UE为可能产生信令风暴风险的 UE; 或者，
当接收到的建立原因在预存的建立原因范围内， 并且检测到所述 UE 的业务数据传输类型在预存的业务类型范围内时，标记所述 UE为可能产生 信令风暴风险的 UE。
8、 根据权利要求 6所述的处理方法， 其中， 所述建立原因是所述 UE 发送的 RRC连接消息携带的建立原因， 或者是在切换时源基站发送的所述 UE在源基站侧的 RRC连接建立原因。
9、 一种信令拥塞的处理装置， 包括： 识别模块、检测模块和处理模块， 其中，
所述识别模块， 配置为识别可能产生信令风暴风险的 UE;
所述检测模块， 配置为检测所述识别模块识别出的所述可能产生信令 风暴风险的 UE的数据传输情况，并将检测到的数据传输信息发送给所述处 理模块；
所述处理模块， 配置为根据所述检测模块发送的数据传输信息确定所 述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源。
10、 根据权利要求 9所述的处理装置， 其中， 所述处理模块， 配置为 构造并发送 RRC连接重配消息； 所述 RRC连接重配消息包含将所述 UE 的物理资源释放的指示。
11、 根据权利要求 9 所述的处理装置， 其中， 所述处理模块， 还配置 为根据所述检测模块发送的数据传输信息确定所述 UE有数据传输但其物 理资源已被剥除时， 重新为所述 UE分配物理资源。
12、 根据权利要求 11所述的处理装置， 其中， 所述处理模块， 配置为 确定重新为所述 UE分配的物理资源； 构造并发送 RRC连接重配消息， 所 述 RRC连接重配消息携带为所述 UE分配的物理资源配置参数。
13、 根据权利要求 9至 12任一项所述的处理装置， 其中， 所述识别模 块， 配置为根据 UE的建立原因和 /或业务类型来识别可能产生信令风暴风 险的 UE。
14、 根据权利要求 9至 12任一项所述的处理装置， 其中， 所述装置还 包括接收模块， 配置为接收所述 UE发送的 RRC连接请求消息携带的建立 原因， 或者源基站发送的所述 UE在源基站侧的 RRC连接建立原因， 并通 知识别模块；
所述检测模块， 还配置为检测 UE的数据传输类型， 并通知识别模块； 所述识别模块， 配置为当判断所述 UE发送的 RRC连接请求消息携带 的建立原因、 或者源基站发送的所述 UE在源基站侧的 RRC连接建立原因 在预存的建立原因范围内时， 和 /或所述数据传输类型在预存的业务类型范 围内时， 标记所述 UE为可能产生信令风暴风险的 UE。
15、 一种基站， 所述基站包括权利要求 9至 14任一项所述的信令拥塞 的处理装置。
16、 一种信令拥塞的处理系统， 所述系统包括： 基站和 UE， 其中， 所述基站， 配置为识别可能产生信令风暴风险的用户设备 UE; 检测所 述 UE的数据传输情况； 当所述 UE无数据传输但其物理资源未被剥除时， 指示所述 UE剥除物理资源；
所述 UE， 配置为根据所述基站发送的指示信息， 释放所述基站为其 分配的物理资源。
17、 根据权利要求 16所述的系统， 其中， 所述基站， 配置为构造并 向所述 UE发送无线资源控制协议 RRC连接重配消息；所述 RRC连接重 配消息包含将相应的物理资源释放的指示。
18、 根据权利要求 16所述的系统， 其中， 所述基站， 还配置为当所 述 UE有数据传输但其物理资源已被剥除时，重新为所述 UE分配物理资 源， 将所述物理资源信息发送至所述 UE; 所述 UE，还配置为根据所述基站发送的物理资源信息重配物理信道 配置。
19、 根据权利要求 18所述的系统， 其中， 所述基站， 配置为确定重 新为所述 UE分配的物理资源；构造并发送 RRC连接重配消息，所述 RRC 连接重配消息携带为所述 UE分配的物理资源配置参数。
20、 一种计算机存储介质， 所述计算机存储介质中存储有计算机可 执行指令， 所述计算机可执行指令用于执行权利要求 1至 8任一项所述 的信令拥塞的处理方法。
PCT/CN2014/078992 2013-11-28 2014-05-30 信令拥塞的处理方法、装置、基站、系统及存储介质 WO2014183712A1 (zh)

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