WO2018176427A1 - 针对SRB的QoS管理及装置 - Google Patents

针对SRB的QoS管理及装置 Download PDF

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Publication number
WO2018176427A1
WO2018176427A1 PCT/CN2017/079136 CN2017079136W WO2018176427A1 WO 2018176427 A1 WO2018176427 A1 WO 2018176427A1 CN 2017079136 W CN2017079136 W CN 2017079136W WO 2018176427 A1 WO2018176427 A1 WO 2018176427A1
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WO
WIPO (PCT)
Prior art keywords
user equipment
identifier
base station
priority identifier
priority
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PCT/CN2017/079136
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English (en)
French (fr)
Inventor
马志斌
赵其勇
王斌
季莉
Original Assignee
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 PCT/CN2017/079136 priority Critical patent/WO2018176427A1/zh
Publication of WO2018176427A1 publication Critical patent/WO2018176427A1/zh

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W76/00—Connection management
    • H04W76/10—Connection setup
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W74/00—Wireless channel access
    • H04W74/08—Non-scheduled access, e.g. ALOHA
    • H04W74/0833—Random access procedures, e.g. with 4-step access

Definitions

  • the present disclosure relates to the field of communications technologies, and in particular, to a QoS management method and apparatus for SRB.
  • the Internet of Things refers to a technology that connects various objects to the network for information exchange and communication to realize intelligent identification, location, tracking, monitoring and management.
  • Low Power Wide Area (LPWA) business With the continuous development of the Internet of Things technology, Low Power Wide Area (LPWA) business has emerged.
  • the LPWA business mainly includes various low-rate services such as sensors, meter reading, tracking, logistics, intelligent parking, smart trash, etc.
  • Most LPWA services have low requirements on the transmission delay of application data, but some services have certain delays in application data transmission delay. Requirements, such as tracking business, smart parking business.
  • the user equipment establishes a Radio Resource Control (RRC) connection with the base station, and is used to carry signaling that is transmitted between the user equipment and the base station.
  • the base station sends an initial direct transmission message to the mobility management entity (MME), where the initial direct transmission message includes a service request, and the service request carries the user equipment identifier, and the MME sends a Home Subscriber Server (HSS) to the Home Subscriber Server (HSS).
  • HSS Home Subscriber Server
  • the user subscription information request is sent, and the user subscription information request also carries the user equipment identifier, and the HSS queries the QoS parameter of the user equipment according to the user equipment identifier, and returns the QoS parameter to the MME.
  • the MME carries the QoS parameter in the context setup response sent to the base station, and the base station can store the QoS parameter and establish a Data Radio Bearer (DRB) with the user equipment.
  • DRB Data Radio Bearer
  • the base station may perform scheduling processing on the application data message according to the QoS parameter of the user equipment.
  • the scheduling process is that the base station determines the priority according to the QoS parameters corresponding to each application data message for the received multiple application data messages, so that the scheduling process can be performed according to the priority of the multiple application data messages. In order to prioritize application data messages that require higher latency, the latency of these application data messages is reduced.
  • QoS quality of service
  • the embodiments of the present disclosure provide a QoS management method and apparatus for SRB.
  • the technical solution is as follows:
  • a QoS management method for SRB is provided, which is applied to a base station, where the method includes:
  • the first initial direct transmission message is sent to the mobility management entity MME, where the first initial direct transmission message includes an attach request, and the attach request carries the user equipment identifier, so that the MME sends a first user subscription information request to the home subscription subscriber server HSS, where the first user subscription information request carries the user equipment identifier, and the HSS sends the priority identifier corresponding to the user equipment identifier to the MME.
  • the priority identifier is used to indicate a priority of the user equipment;
  • the MME Receiving a first context request sent by the MME, where the first context request includes a user equipment identifier and a priority identifier of the user equipment;
  • the first context request includes a system architecture evolved temporary mobile station identifier S-TMSI, where the priority identifier is located in a designated bit in the S-TMSI; the RRC reconfiguration message includes the S -TMSI.
  • S-TMSI system architecture evolved temporary mobile station identifier
  • the priority identifier is located in a specified bit in the S-TMSI, including:
  • the S-TMSI includes a mobility management entity temporary mobile station identifier M-TMSI, the priority identifier being located at a designated bit in the M-TMSI.
  • the message when receiving the message that is sent by the user equipment by using the SRB, the message is performed according to the priority identifier, and includes:
  • the message when receiving the message that is sent by the user equipment by using the SRB, the message is performed according to the priority identifier, and includes:
  • the method further includes:
  • the method further includes:
  • a QoS management method for SRB is provided, which is applied to a user equipment, where the method includes:
  • the RRC reconfiguration message sent by the base station is received, where the RRC reconfiguration message includes a priority identifier of the user equipment, and the base station receives the MME sent by the mobility management entity.
  • the first context request includes the user equipment identifier and the priority identifier sent by the home subscription subscriber server HSS to the MME, where the priority identifier is used to indicate the priority of the user equipment. ;
  • Adding the priority identifier to the message to be sent to the base station and sending, by using the signaling radio bearer SRB, the message obtained by adding the priority identifier to the base station, so that the base station receives the carrying When the message is identified by the priority, the message is scheduled according to the priority identifier.
  • the RRC reconfiguration message includes a system architecture evolved temporary mobile station identifier S-TMSI, and the priority identifier is located in a designated bit in the S-TMSI.
  • S-TMSI system architecture evolved temporary mobile station identifier
  • the priority identifier is located in a specified bit in the S-TMSI, including:
  • the S-TMSI includes a mobility management entity temporary mobile station identifier M-TMSI, the priority identifier being located at a designated bit in the M-TMSI.
  • the priority identifier is added to a message to be sent to the base station, and the message obtained by adding the priority identifier is sent to the base station by using a signaling radio bearer SRB.
  • SRB signaling radio bearer
  • the priority identifier is added to the random access request to be sent to the base station;
  • the priority identifier is added to a message to be sent to the base station, and the message obtained by adding the priority identifier is sent to the base station by using a signaling radio bearer SRB.
  • SRB signaling radio bearer
  • the method further includes:
  • the DRB Sending, by the DRB, an application data message to the base station, where the application data message carries the user equipment identifier, so that the base station performs scheduling processing on the application data message according to a quality of service QoS parameter, where the base station
  • the second initial direct transmission message is sent to the MME, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier.
  • the MME sends a second user subscription information request to the home subscriber network (HSS), and the HSS sends the QoS parameter corresponding to the user equipment identifier to the MME; or
  • the third aspect provides a QoS management method for the SRB, which is applied to the mobility management entity MME, where the method includes:
  • the base station Sending a first context request to the base station, where the first context request includes the user equipment identifier and the priority identifier, so that the base station sends, to the user equipment, radio resource control that carries the priority identifier
  • the RRC reconfiguration message the user equipment stores the priority identifier
  • the base station is further configured to: according to the priority identifier, when receiving the message that is sent by the user equipment by using the SRB and carrying the priority identifier The message is scheduled.
  • the method further includes:
  • the base station Receiving, by the base station, a second initial direct transmission message, where the second initial direct transmission message includes a service request, where the service request carries the user equipment identifier;
  • the base station Sending a second context request to the base station, where the second context request includes the user equipment identifier and the QoS parameter, so that the base station stores the QoS parameter, when receiving the message sent by the user equipment And scheduling the message according to the QoS parameter.
  • the fourth aspect provides a QoS management method for the SRB, which is applied to the home subscriber server HSS, and the method includes:
  • the first user subscription information request receives, by the MME, a first initial direct transmission sent by the base station
  • the first initial direct transmission message includes an attach request
  • the attach request carries the user equipment identifier
  • the MME is configured to send the priority identifier to the user equipment by using the base station, so that the user equipment stores the priority identifier, and the base station receives
  • the user equipment sends the message carrying the priority identifier through the SRB, the user equipment performs scheduling processing according to the priority identifier.
  • the method further includes:
  • the MME Receiving, by the MME, a second user subscription information request, where the second user subscription information request carries the user equipment identifier, and the second user subscription information request is received by the MME by the second initial Direct pass
  • the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier
  • the MME is configured to send the QoS parameter to the base station, so that the base station stores the QoS parameter, and establish a data radio bearer DRB with the user equipment, when passing When receiving the application data message sent by the user, the DRB performs scheduling processing on the application data message according to the QoS parameter.
  • a base station where the base station includes:
  • connection module configured to establish a radio resource control RRC connection with the user equipment
  • a sending module configured to send a first initial direct transmission message to the mobility management entity MME, where the first initial direct transmission message includes an attach request, and the attach request carries a user equipment identifier, so that the MME sends the MME to the home subscriber server.
  • the HSS sends a first user subscription information request, the first user subscription information request carries the user equipment identifier, and the HSS sends a priority identifier corresponding to the user equipment identifier to the MME, where the priority identifier is used by the HSS. Indicating a priority of the user equipment;
  • a receiving module configured to receive a first context request sent by the MME, where the first context request includes a user equipment identifier and a priority identifier of the user equipment;
  • the sending module is further configured to send an RRC reconfiguration message to the user equipment, where the RRC reconfiguration message includes the priority identifier, so that the user equipment stores the priority identifier;
  • the processing module is configured to perform scheduling processing on the message according to the priority identifier when receiving the message that is sent by the user equipment and sent by the SRB to carry the priority identifier.
  • the first context request includes a system architecture evolved temporary mobile station identifier S-TMSI, where the priority identifier is located in a designated bit in the S-TMSI; the RRC reconfiguration message includes the S -TMSI.
  • S-TMSI system architecture evolved temporary mobile station identifier
  • the processing module includes:
  • a receiving unit configured to receive a random access request sent by the user equipment, where the random access request carries the priority identifier
  • a processing unit configured to perform scheduling processing on the random access request according to the priority identifier
  • a sending unit configured to send a random access response to the user equipment when the random access request scheduling process is completed.
  • the processing module includes:
  • a receiving unit configured to receive an RRC connection request sent by the user equipment after the connection module releases the RRC connection, where the RRC connection request carries the priority identifier;
  • a processing unit configured to perform scheduling processing on the RRC connection request according to the priority identifier
  • a sending unit configured to send an RRC connection response to the user equipment when the RRC connection request scheduling process is completed.
  • the base station further includes:
  • the connection module is configured to establish the RRC connection with the user equipment again;
  • the sending module is configured to send a second initial direct transmission message to the MME, where the second initial direct transmission message includes a service request, where the service request carries the user equipment identifier, so that the MME sends the
  • the HSS sends a second user subscription information request, and the HSS sends the QoS parameter corresponding to the user equipment identifier to the MME;
  • the receiving module is configured to receive a second context request sent by the MME;
  • a storage module configured to store the QoS parameter
  • the connection module is configured to establish a data radio bearer DRB with the user equipment.
  • the processing module is further configured to receive, by using the DRB, an application data message sent by the user equipment, where the application data message carries the user equipment identifier, according to the QoS parameter. Scheduling the application data message; or
  • the processing module is further configured to receive, by using the DRB, an application data message sent by the user equipment, where the application data message carries the user equipment identifier and the priority identifier, according to the priority identifier, The application data message performs scheduling processing.
  • a user equipment where the user equipment includes:
  • connection module configured to establish a radio resource control RRC connection with the base station
  • a receiving module configured to receive an RRC reconfiguration message sent by the base station, where the RRC reconfiguration message includes a priority identifier of the user equipment, after the base station receives the first context request sent by the mobility management entity MME Sending, the first context request includes a user equipment identifier and the priority identifier sent by the home subscription subscriber server HSS to the MME, where the priority identifier is used to indicate a priority of the user equipment;
  • a storage module configured to store the priority identifier
  • Adding a module configured to add the priority identifier to a message to be sent to the base station
  • a sending module configured to send, by using a signaling radio bearer SRB, a message obtained by adding the priority identifier to the base station, so that when the base station receives the message carrying the priority identifier, according to the priority identifier The message is scheduled.
  • the RRC reconfiguration message includes a system architecture evolved temporary mobile station identifier S-TMSI, and the priority identifier is located in a designated bit in the S-TMSI.
  • S-TMSI system architecture evolved temporary mobile station identifier
  • the adding module is further configured to: after the connection module releases the RRC connection, add the priority identifier to a random access request to be sent to the base station;
  • the sending module is further configured to send, to the base station, a random access request obtained by adding the priority identifier, so that the base station performs scheduling processing on the random access request according to the priority identifier, Returning a random access response when the random access request scheduling process is completed;
  • the receiving module is further configured to receive the random access response.
  • the sending module is further configured to: after the connection module releases the RRC connection, send a random access request to the base station;
  • the receiving module is further configured to receive a random access response sent by the base station;
  • the adding module is further configured to add the priority identifier in an RRC connection request to be sent to the base station;
  • the sending module is further configured to send, to the base station, an RRC connection request obtained by adding the priority identifier, so that the base station performs scheduling processing on the RRC connection request according to the priority identifier, where Returning an RRC connection response when the RRC connection request scheduling process is completed;
  • the receiving module is further configured to receive the RRC connection response
  • the connection module is further configured to establish the RRC connection with the base station again.
  • connection module is further configured to establish a data radio bearer DRB with the base station;
  • the sending module is further configured to send, by using the DRB, an application data message to the base station, where the application data is Carrying the user equipment identifier, so that the base station performs scheduling processing on the application data message according to the quality of service QoS parameter, where the base station is configured to establish the RRC connection with the user equipment again, and then
  • the MME sends a second initial direct transmission message, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier, so that the MME sends the second user subscription information to the home subscription subscriber server HSS. Sending, by the HSS, the QoS parameter corresponding to the user equipment identifier to the MME; or
  • the sending module is further configured to send, by using the DRB, an application data message to the base station, where the application data message carries the user equipment identifier and the priority identifier, so that the base station identifies according to the priority And scheduling the application data message.
  • a mobility management entity MME is provided, where the MME includes:
  • a receiving module configured to receive a first initial direct transmission message sent by the base station, where the first initial direct transmission message includes an attach request, where the attach request carries a user equipment identifier;
  • a sending module configured to send a first user subscription information request to the home subscription user server HSS, where the first user subscription information request carries the user equipment identifier, so that the HSS returns a priority identifier corresponding to the user equipment identifier
  • the priority identifier is used to indicate a priority of the user equipment
  • the receiving module is further configured to receive the priority identifier sent by the HSS;
  • the sending module is further configured to send a first context request to the base station, where the first context request includes the user equipment identifier and the priority identifier, so that the base station sends a bearer to the user equipment.
  • the receiving module is further configured to receive a second initial direct transmission message sent by the base station, where the second initial direct transmission message includes a service request, and the service request carries the user Equipment Identity;
  • the sending module is further configured to send a second user subscription information request to the HSS, where the second user subscription information request carries the user equipment identifier, so that the HSS returns a service quality corresponding to the user equipment identifier.
  • QoS parameters
  • the receiving module is further configured to receive the QoS parameter sent by the HSS;
  • the sending module is further configured to send a second context request to the base station, where the second context request includes the user equipment identifier and the QoS parameter, so that the base station stores the QoS parameter, when received When the user equipment sends a message, the message is scheduled according to the QoS parameter.
  • a home subscriber network server HSS includes:
  • a receiving module configured to receive a first user subscription information request sent by the mobility management entity MME, where the first user subscription information request includes a user equipment identifier, and the first user subscription information request is sent by the MME to the base station
  • the first initial direct transmission message includes an attach request, and the attach request carries the user equipment identifier
  • An obtaining module configured to obtain a priority identifier corresponding to the user equipment identifier, where the priority identifier is used to indicate a priority of the corresponding user equipment;
  • a sending module configured to send the priority identifier to the MME, where the MME is used to send the The user equipment sends the priority identifier, so that the user equipment stores the priority identifier, and the base station receives the message carrying the priority identifier sent by the user equipment through the SRB, according to the priority Identification, scheduling the message.
  • the receiving module is further configured to receive a second user subscription information request sent by the MME, where the second user subscription information request carries the user equipment identifier, and the second user The subscription information request is sent by the MME when the second initial direct transmission message sent by the base station is received, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier;
  • the obtaining module is further configured to obtain a quality of service QoS parameter corresponding to the user equipment identifier
  • the sending module is further configured to send the QoS parameter to the MME, where the MME is configured to send the QoS parameter to the base station, so that the base station stores the QoS parameter, and the user equipment is used. Establishing a data radio bearer DRB, and when receiving the application data message sent by the user by using the DRB, scheduling the application data message according to the QoS parameter.
  • the first initial direct transmission message is sent to the MME, and the MME sends a first user subscription information request to the HSS, and the HSS returns the priority identifier of the user equipment, and the base station sends an RRC reconfiguration message to the user equipment.
  • the RRC reconfiguration message includes a priority identifier, and the user equipment stores the priority identifier, and carries the priority identifier in the message sent to the base station, and the base station can perform scheduling processing according to the priority identifier.
  • the present embodiment provides a QoS management mechanism based on the priority identifier, which can provide a priority identifier for the user equipment after the user equipment completes the initial access, so that the data message sent by the base station to the SRB can be performed according to the priority identifier.
  • the scheduling process implements differentiated scheduling for SRB and improves service adaptability. For the user equipment with high requirements on the immediacy, priority processing can be performed according to the priority identifier to reduce the processing delay.
  • FIG. 1 is a schematic structural diagram of a communication system according to an embodiment of the present disclosure
  • FIG. 2 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure
  • FIG. 3 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure
  • FIG. 4 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 7 is a schematic structural diagram of an MME according to an embodiment of the present disclosure.
  • FIG. 8 is a schematic structural diagram of an HSS according to an embodiment of the present disclosure.
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • FIG. 11 is a schematic structural diagram of an MME according to an embodiment of the present disclosure.
  • FIG. 12 is a schematic structural diagram of an HSS according to an embodiment of the present disclosure.
  • the communication system includes: a user equipment 101, a base station 102, an MME 103, and an HSS 104.
  • the HSS 104 stores each user equipment.
  • the user equipment identifier and the corresponding user subscription information, the user subscription information includes a priority identifier, and may also include a QoS parameter.
  • the user equipment 101 establishes an RRC connection with the base station 102, and the RRC connection is a Signaling Radio Bearer (SRB).
  • SRB Signaling Radio Bearer
  • the priority identifier of the user equipment is set in the HSS, and the user equipment is provided with the priority identifier after the user equipment completes the initial access attachment, so that the user equipment can pass the SRB according to the priority identifier even if the DRB has not been established yet.
  • the sent message is scheduled for processing.
  • This embodiment can be applied to the LPWA service of the Narrow Band Internet of Things (NB-IOT).
  • the LPWA service uses the priority identifier as a "simple QoS parameter" to establish a QoS management mechanism specifically for SRB.
  • the differentiated scheduling in the SRB establishment and related signaling transmission process further enhances the service adaptability of the NB-IOT.
  • the QoS management mechanism for the SRB can coexist with the conventional QoS management mechanism for the DRB, further enhancing the QoS management capability of the LPWA service.
  • the communication system may further include a gateway, such as a Serving GateWay (SGW) or a Packet Data Network Gateway (PGW), and the user equipment may establish a connection with the gateway through the base station and the MME, thereby enabling the gateway to pass through the gateway. Access to the WAN.
  • a gateway such as a Serving GateWay (SGW) or a Packet Data Network Gateway (PGW)
  • SGW Serving GateWay
  • PGW Packet Data Network Gateway
  • FIG. 2 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure. As shown in FIG. 2, the method includes the following steps:
  • the user equipment is attached to the base station, and sends a random access request to the base station, where the random access request carries the user equipment identifier.
  • the user equipment identifier is used to uniquely determine the corresponding user equipment, and may be the mobile phone number, the device number, and the like of the user equipment, which is not limited in this embodiment.
  • the base station receives the random access request, and sends a random access response to the user equipment.
  • the user equipment receives the random access response, and sends an RRC connection request to the base station, where the RRC connection request includes an attach request, where the attach request carries the user equipment identifier.
  • the attach request is a Network Attached Storage (NAS) attach request.
  • NAS Network Attached Storage
  • the base station receives the attach request, and sends an RRC connection response to the user equipment.
  • the user equipment receives an RRC connection response, establishes an RRC connection with the base station, and sends an RRC connection complete message to the base station.
  • the base station sends a first initial direct transmission message to the MME, where the first initial direct transmission message includes the attach request.
  • the MME receives the first initial direct transmission message, and sends a first user subscription information request to the HSS, where the first user subscription information request carries the user equipment identifier.
  • the HSS receives the first user subscription information request, and obtains the priority identifier corresponding to the user equipment identifier, and sends the priority identifier to the MME.
  • the HSS is used to store the user subscription information of the user equipment, and the user subscription information includes at least the priority identifier of the user equipment, and may also include the QoS parameter of the user equipment.
  • the priority identifier is used to indicate the priority of the user equipment, and the priority of the user equipment for the immediacy can be determined according to the priority.
  • the base station determines the priority of each user equipment according to the priority identifier of each user equipment, thereby determining the processing sequence of each user equipment, and performing scheduling processing according to the determined processing sequence. .
  • the priority identifier may represent different priorities with a plurality of different identifiers.
  • the priority identifier includes the first identifier and the second identifier, and the message sent by the user equipment whose priority identifier is the first identifier is prior to the message sent by the user equipment whose priority identifier is the second identifier.
  • the message sent by multiple user equipments will preferentially process the message sent by the user equipment whose priority is identified as the first identifier.
  • the priority identifier includes multiple identifiers arranged in sequence, and the message sent by the base station to the multiple user equipments determines the order of the multiple user equipments according to the priority identifier of each user equipment, and sequentially processes the messages according to the sequence. A message sent by each user device.
  • the service type of each user equipment may include one or more types. For example, a user equipment may explicitly determine that only one LPWA service is used, and according to the service type of the user equipment, It is determined that the user equipment has high and low requirements for the immediacy. For the user equipment with high immediacy requirements, the priority identifier with the highest order can be set. For the user equipment with lower immediacy requirements, the rearrangement order can be set. The priority is identified so that the priority identifier set for each user device can be stored in the HSS. For example, for a user equipment with a higher requirement for the immediacy, the priority identifier may be set to the first identifier, and the user identifier may be set to the second identifier. The second identifier may be 0.
  • the priority identifier may be stored separately in the HSS, or may be stored as one of the QoS parameters in the QoS parameter.
  • the user equipment of the LPWA service is uniformly managed on the HSS, and the immediate requirement of the user equipment for the LPWA service is defined as a priority identifier, and the priority identifier can be regarded as a “simple QoS parameter”.
  • the priority identifier simulates the function of the QoS parameter, and the differentiated scheduling can be implemented according to the priority identifier.
  • the MME receives the priority identifier, and sends a first context request to the base station, where the first context request includes a user equipment identifier and a priority identifier.
  • the first context request includes a System Architecture Evolution-Temporary Mobile Subscriber Identity (S-TMSI), and the priority identifier is located in a designated bit in the S-TMSI, and the designation The bit can be any free bit in the S-TMSI.
  • S-TMSI System Architecture Evolution-Temporary Mobile Subscriber Identity
  • the first context request includes an S-TMSI
  • the S-TMSI includes a Mobile Management Entity-Temporary Mobile Subscriber Identity (M-TMSI)
  • M-TMSI Mobile Management Entity-Temporary Mobile Subscriber Identity
  • Bit which can be any one or more idle bits in the M-TMSI.
  • the MME allocates the S-TMSI to the user equipment, it takes only one bit in the M-TMSI to carry the priority identifier, and the change to the established protocol can be minimized.
  • the MME updates the S-TMSI for the user equipment, the priority identifier is also carried in the S-TMSI in the above manner.
  • the base station receives the first context request, and sends an RRC reconfiguration message to the user equipment, where the RRC reconfiguration message carries the priority identifier.
  • the RRC reconfiguration message may include an S-TMSI, and the priority identifier is located on a designated bit of the S-TMSI.
  • the user equipment receives the RRC reconfiguration message, and stores the priority identifier, and sends an RRC reconfiguration complete to the base station. Message.
  • the RRC reconfiguration message includes the S-TMSI, and the priority identifier is located on the designated bit of the S-TMSI, and the user equipment extracts the specified bit from the middle S-TMSI of the RRC reconfiguration message. The priority is identified and the priority identifier is stored.
  • the priority identifier may be stored in a state such as Idle or Power Saving Mode (PSM).
  • PSM Power Saving Mode
  • the SRB sends any message to the base station
  • the priority identifier can be carried, so that the base station can receive the message sent by the user equipment through the SRB, and perform scheduling processing on the message according to the priority identifier carried in the message.
  • the base station does not need to save the priority identifier of the user equipment, and does not need to change the saved context information as the state of the user equipment changes, and does not need to save the context information of the massive user equipment, thereby saving storage space.
  • the base station sends a first context response to the MME.
  • the base station receives the random access request, and sends a random access response to the user equipment.
  • the RRC connection is released.
  • the random access request is retriggered to re-access the base station.
  • the user equipment receives the random access response, adds a priority identifier to the RRC connection request to be sent, and sends an RRC connection request obtained by adding the priority identifier to the base station.
  • the process of establishing the RRC connection again can apply the priority identifier for scheduling processing. That is, the user equipment does not directly send an RRC connection request, but first adds a priority identifier to the RRC connection request, and then sends an RRC connection request obtained by adding the priority identifier.
  • the base station receives the RRC connection request, obtains the priority identifier from the RRC connection request, and performs scheduling processing on the RRC connection request according to the priority identifier. When the scheduling process is complete, the base station sends an RRC connection response to the user equipment.
  • the user equipment receives the RRC connection response, establishes an RRC connection with the base station, and sends an RRC connection setup complete message to the base station.
  • the base station may obtain the priority identifier from the RRC connection request, so as to determine the priority of the user equipment according to the priority identifier, that is, the priority of the RRC connection request. At this time, the base station may perform scheduling according to the priority of each of the plurality of messages currently to be processed, sequentially determine the processing order of each message, and sequentially perform processing according to the determined processing order.
  • the base station processes the RRC connection request, and when the processing is completed, sends an RRC connection response to the base station, thereby ensuring that the user equipment establishes an RRC connection with the base station again.
  • the base station performs a QoS management mechanism according to the priority identifier of the user equipment, and performs differential scheduling on subsequent establishment of the SRB, signaling, and data transmission, and satisfies the requirements of different user equipments for immediacy.
  • the RRC connection request sent by the user equipment carries the priority identifier as an example.
  • the QoS management mechanism for the SRB is provided for the user equipment by using the SRB. Any message may carry the priority identifier, and the base station performs scheduling processing according to the priority identifier.
  • the method provided in this embodiment sends a first initial direct transmission to the MME after the eNB establishes an RRC connection with the user equipment.
  • the MME sends the first user subscription information request to the HSS, and the HSS returns the priority identifier of the user equipment, the base station sends an RRC reconfiguration message to the user equipment, where the RRC reconfiguration message includes the priority identifier, and the user equipment stores the priority identifier. And carrying the priority identifier in the message sent to the base station, the base station can perform scheduling processing according to the priority identifier.
  • the present embodiment provides a QoS management mechanism based on the priority identifier, which can provide a priority identifier for the user equipment after the user equipment completes the initial access, so that the data message sent by the base station to the SRB can be performed according to the priority identifier.
  • the scheduling process implements differentiated scheduling for SRB and improves service adaptability. For the user equipment with high requirements on the immediacy, priority processing can be performed according to the priority identifier to reduce the processing delay.
  • the embodiment may further provide a conventional QoS management mechanism, and combine the foregoing QoS management mechanism for SRB with a conventional QoS management mechanism for DRB, and the base station may identify according to the priority.
  • At least one of the QoS parameters performs scheduling processing, and the specific process is described in the following embodiments.
  • FIG. 3 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure. As shown in FIG. 3, after step 217, the method may further include the following steps:
  • the base station sends a second initial direct transmission message to the MME, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier.
  • the MME receives the second initial direct transmission message, and sends a second user subscription information request to the HSS, where the second user subscription information request carries the user equipment identifier.
  • the HSS receives the second user subscription information request, and obtains the QoS parameter corresponding to the user equipment identifier, and sends the QoS parameter to the MME.
  • the QoS parameters may include parameters such as an Allocation and Retention Priority (ARP) and a QoS Class Identifier (QCI).
  • ARP Allocation and Retention Priority
  • QCI QoS Class Identifier
  • the MME receives the QoS parameter, and sends a second context request to the base station, where the second context request includes the user equipment identifier and the QoS parameter.
  • the base station receives the second context request, stores the QoS parameter, and establishes a DRB with the user equipment.
  • the user equipment sends an application data message to the base station by using the DRB, where the application data message carries the user equipment identifier.
  • the base station receives an application data message, and performs scheduling processing on the application data message according to the QoS parameter.
  • the user equipment sends an application data message to the base station by using the DRB, where the application data message carries the user equipment identifier and the priority identifier.
  • the base station performs scheduling processing on the application data message according to the priority identifier.
  • the method provided in this embodiment combines the conventional QoS management mechanism for DRB with the QoS management mechanism for SRB, implements differentiated scheduling for SRB and DRB, and solves the problem that the conventional QoS management mechanism only differentiates for DRB. Scheduling does not apply to SRB issues.
  • the RRC connection request is sent in step 215, and the base station can perform scheduling processing on the RRC connection request according to the priority identifier.
  • the priority identifier may be carried in any message sent by the user equipment after storing the priority identifier.
  • FIG. 4 is a flowchart of a QoS management method for SRB according to an embodiment of the present disclosure. As shown in FIG. 4, after step 212, before step 215, the method further includes:
  • the user equipment may add the priority identifier to the preamble sequence of the random access request, and the subsequent base station may obtain the priority identifier from the preamble sequence.
  • the process of accessing the base station again can apply the priority identifier for scheduling processing. That is, the user equipment does not directly send a random access request, but first adds a priority identifier to the random access request, and then sends a random access request obtained by adding the priority identifier.
  • the base station receives the random access request, performs scheduling processing on the random access request according to the priority identifier, and sends a random access response to the user equipment when the random access request scheduling process is completed.
  • the random access request sent by the user equipment does not carry the priority identifier, and when the base station receives the random access request, the base station can only process other messages received before the random access request.
  • the random access request is processed, and a random access response is returned to the user equipment. This process consumes a certain amount of time.
  • the random access request sent by the user equipment carries the priority identifier, and when the base station receives the random access request, the base station selects the priority identifier of the random access request and receives the random access request. After the priority identifiers of other messages are compared, the scheduling process is performed according to the priority identifier, so that the message with higher immediacy requirement can be preferentially processed.
  • FIG. 5 is a schematic structural diagram of a base station according to an embodiment of the present disclosure. As shown in FIG. 5, the base station includes:
  • the connection module 501 is configured to establish a radio resource control RRC connection with the user equipment.
  • the sending module 502 is configured to send a first initial direct transmission message to the mobility management entity MME, where the first initial direct transmission message includes an attach request, and the attach request carries the user equipment identifier, so that the MME sends the first user to the home subscription subscriber server HSS.
  • the subscription information request, the first user subscription information request carries the user equipment identifier, and the HSS sends the priority identifier corresponding to the user equipment identifier to the MME, where the priority identifier is used to indicate the priority of the user equipment;
  • the receiving module 503 is configured to receive a first context request sent by the MME, where the first context request includes a user equipment identifier and a priority identifier of the user equipment;
  • the sending module 502 is further configured to send an RRC reconfiguration message to the user equipment, where the RRC reconfiguration message includes a priority identifier, so that the user equipment stores the priority identifier.
  • the processing module 504 is configured to perform scheduling processing on the message according to the priority identifier when receiving the message carrying the priority identifier sent by the user equipment through the SRB.
  • the first context request includes a system architecture evolved temporary mobile station identifier S-TMSI
  • the priority identifier is located in a designated bit in the S-TMSI
  • the RRC reconfiguration message includes an S-TMSI.
  • processing module 504 includes:
  • a receiving unit configured to receive a random access request sent by the user equipment, where the random access request carries a priority identifier
  • a processing unit configured to perform scheduling processing on the random access request according to the priority identifier
  • a sending unit configured to send a random access response to the user equipment when the random access request scheduling process is completed.
  • processing module 504 includes:
  • a receiving unit configured to receive an RRC connection request sent by the user equipment after the connection module 501 releases the RRC connection, where the RRC connection request carries a priority identifier
  • a processing unit configured to perform scheduling processing on the RRC connection request according to the priority identifier
  • a sending unit configured to send an RRC connection response to the user equipment when the RRC connection request scheduling process is completed.
  • the base station further includes:
  • the connection module 501 is configured to establish an RRC connection with the user equipment again.
  • the sending module 502 is configured to send a second initial direct transmission message to the MME, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier, so that the MME sends a second user subscription information request to the HSS, and the HSS sends the MME to the MME. a quality of service QoS parameter corresponding to the user equipment identifier;
  • the receiving module 503 is configured to receive a second context request sent by the MME.
  • a storage module configured to store QoS parameters
  • the connection module 501 is configured to establish a data radio bearer DRB with the user equipment.
  • the processing module 504 is further configured to: receive, by using the DRB, an application data message sent by the user equipment, where the application data message carries the user equipment identifier, and then perform scheduling processing on the application data message according to the QoS parameter; or
  • the processing module 504 is further configured to receive, by using the DRB, an application data message sent by the user equipment, where the application data message carries the user equipment identifier and the priority identifier, and then performs scheduling processing on the application data message according to the priority identifier.
  • FIG. 6 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure. As shown in FIG. 6, the user equipment includes:
  • the connection module 601 is configured to establish a radio resource control RRC connection with the base station;
  • the receiving module 602 is configured to receive an RRC reconfiguration message sent by the base station, where the RRC reconfiguration message includes a priority identifier of the user equipment, and is sent by the base station after receiving the first context request sent by the mobility management entity MME, where the first context request includes The user equipment identifier and the priority identifier sent by the home subscriber server HSS to the MME, where the priority identifier is used to indicate the priority of the user equipment;
  • the adding module 604 is configured to add a priority identifier to the message to be sent to the base station.
  • the sending module 605 is configured to send, by using the SRB, a message obtained by adding a priority identifier to the base station, so that when the base station receives the message carrying the priority identifier, the base station performs scheduling processing according to the priority identifier.
  • the RRC reconfiguration message includes a system architecture evolved temporary mobile station identifier S-TMSI, and the priority identifier is located in a designated bit in the S-TMSI.
  • S-TMSI system architecture evolved temporary mobile station identifier
  • the adding module 604 is further configured to: after the connection module releases the RRC connection, add a priority identifier to the random access request to be sent to the base station;
  • the sending module 605 is further configured to send, to the base station, a random access request obtained by adding the priority identifier, so that the base station performs scheduling processing on the random access request according to the priority identifier, and returns a random when the random access request scheduling process is completed. Access response
  • the receiving module 602 is further configured to receive a random access response.
  • the sending module 605 is further configured to: after the connection module releases the RRC connection, send a random access request to the base station;
  • the receiving module 602 is further configured to receive a random access response sent by the base station;
  • the adding module 604 is further configured to add a priority identifier to the RRC connection request to be sent to the base station;
  • the sending module 605 is further configured to send, to the base station, an RRC connection request obtained by adding a priority identifier, so that the base station root And scheduling the RRC connection request according to the priority identifier, and returning the RRC connection response when the RRC connection request scheduling process is completed;
  • the receiving module 602 is further configured to receive an RRC connection response.
  • the connection module 601 is further configured to establish an RRC connection with the base station again.
  • connection module 601 is further configured to establish a data radio bearer DRB with the base station;
  • the sending module 605 is further configured to send, by using the DRB, an application data message to the base station, where the application data message carries the user equipment identifier, so that the base station performs scheduling processing on the application data message according to the quality of service QoS parameter, where the base station is used to establish the user equipment again.
  • the second initial direct transmission message is sent to the MME, where the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier, so that the MME sends the second user subscription information request to the home subscription user server HSS, and the HSS sends The MME sends the QoS parameter corresponding to the user equipment identifier; or
  • the sending module 605 is further configured to send, by using the DRB, an application data message to the base station, where the application data message carries the user equipment identifier and the priority identifier, so that the base station performs scheduling processing on the application data message according to the priority identifier.
  • FIG. 7 is a schematic structural diagram of an MME according to an embodiment of the present disclosure. As shown in FIG. 7, the MME includes:
  • the receiving module 701 is configured to receive a first initial direct transmission message sent by the base station, where the first initial direct transmission message includes an attach request, and the attach request carries the user equipment identifier;
  • the sending module 702 is configured to send a first user subscription information request to the home subscription subscriber server HSS, where the first user subscription information request carries the user equipment identifier, so that the HSS returns a priority identifier corresponding to the user equipment identifier, and the priority identifier is used to indicate User equipment priority;
  • the receiving module 701 is further configured to receive a priority identifier sent by the HSS.
  • the sending module 702 is further configured to send a first context request to the base station, where the first context request includes the user equipment identifier and the priority identifier, so that the base station sends the radio resource control RRC reconfiguration message carrying the priority identifier to the user equipment, where the user equipment The priority identifier is stored, and the base station is further configured to perform scheduling processing on the message according to the priority identifier when receiving the message carrying the priority identifier sent by the user equipment through the SRB.
  • the receiving module 701 is further configured to receive a second initial direct transmission message sent by the base station, where the second initial direct transmission message includes a service request, where the service request carries the user equipment identifier;
  • the sending module 702 is further configured to send a second user subscription information request to the HSS, where the second user subscription information request carries the user equipment identifier, so that the HSS returns the quality of service QoS parameter corresponding to the user equipment identifier;
  • the receiving module 701 is further configured to receive a QoS parameter sent by the HSS.
  • the sending module 702 is further configured to send a second context request to the base station, where the second context request includes the user equipment identifier and the QoS parameter, so that the base station stores the QoS parameter, and when receiving the message sent by the user equipment, the message is performed according to the QoS parameter. Scheduling processing.
  • FIG. 8 is a schematic structural diagram of an HSS according to an embodiment of the present disclosure. As shown in FIG. 8, the HSS includes:
  • the receiving module 801 is configured to receive a first user subscription information request sent by the mobility management entity MME, where the first user subscription information request includes a user equipment identifier, and the first user subscription information request is received by the MME to receive the first initial direct transmission sent by the base station.
  • the first initial direct transmission message includes an attach request, and the attach request carries the user equipment identifier;
  • the obtaining module 802 is configured to obtain a priority identifier corresponding to the user equipment identifier, where the priority identifier is used to indicate a priority of the corresponding user equipment.
  • the sending module 803 is configured to send a priority identifier to the MME, where the MME is configured to send the priority identifier to the user equipment by using the base station, so that the user equipment stores the priority identifier, and the base station receives the message carrying the priority identifier sent by the user equipment through the SRB. The message is scheduled according to the priority identifier.
  • the receiving module 801 is further configured to receive a second user subscription information request sent by the MME, where the second user subscription information request carries the user equipment identifier, and the second user subscription information request is sent by the MME to the base station.
  • the second initial direct transmission message includes a service request, and the service request carries the user equipment identifier;
  • the obtaining module 802 is further configured to obtain a quality of service QoS parameter corresponding to the user equipment identifier;
  • the sending module 803 is further configured to send a QoS parameter to the MME, where the MME is configured to send the QoS parameter to the base station, so that the base station stores the QoS parameter, and establish a data radio bearer DRB with the user equipment, and receive the application data message sent by the user by using the DRB.
  • the application data message is scheduled according to the QoS parameter.
  • the base station, the user equipment, the MME, and the HSS provided by the foregoing embodiments are only illustrated by the division of the foregoing functional modules. In actual applications, the foregoing functions may be allocated differently according to requirements.
  • the function module is completed, that is, the internal structure is divided into different functional modules to complete all or part of the functions described above.
  • the base station, the user equipment, the MME, and the HSS provided by the foregoing embodiments are in the same concept as the QoS management method embodiment for the SRB, and the specific implementation process is described in the method embodiment, and details are not described herein again.
  • FIG. 9 is a schematic structural diagram of a base station according to an embodiment of the present disclosure.
  • the user equipment includes: a receiver 901, a transmitter 902, a memory 903, and a processor 904.
  • the receiver 901, the transmitter 902, and The memory 903 is respectively connected to the processor 904.
  • the memory 903 stores program code
  • the processor 904 is configured to call the program code to perform an operation performed by the base station.
  • FIG. 10 is a schematic structural diagram of a user equipment according to an embodiment of the present disclosure.
  • the server includes: a receiver 1001, a transmitter 1002, a memory 1003, and a processor 1004.
  • the receiver 1001, the transmitter 1002, and The memory 1003 is respectively connected to the processor 1004.
  • the memory 1003 stores program code
  • the processor 1004 is configured to call the program code to execute an operation performed by the user equipment.
  • FIG. 11 is a schematic structural diagram of an MME according to an embodiment of the present disclosure.
  • the server includes: a receiver 1101, a transmitter 1102, a memory 1103, and a processor 1104.
  • the receiver 1101, the transmitter 1102, and the The memory 1103 is respectively connected to the processor 1104.
  • the memory 1103 stores program code, and the processor 1104 is configured to call the program code to perform an operation performed by the MME.
  • FIG. 12 is a schematic structural diagram of an HSS according to an embodiment of the present disclosure.
  • the server includes: a receiver 1201, a transmitter 1202, a memory 1203, and a processor 1204.
  • the receiver 1201, the transmitter 1202, and the The memory 1203 is respectively connected to the processor 1204.
  • the memory 1203 stores program code, and the processor 1204 is configured to call the program code to perform the operations performed by the HSS.
  • a person skilled in the art may understand that all or part of the steps of implementing the above embodiments may be completed by hardware, or may be instructed by a program to execute related hardware, and the program may be stored in a computer readable storage medium.
  • the storage medium mentioned may be a read only memory, a magnetic disk or an optical disk or the like.

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Abstract

本公开提供了一种针对SRB的QoS管理方法及装置，属于通信技术领域。方法包括：与用户设备建立RRC连接后,向MME发送第一初始直传消息,MME向HSS发送第一用户签约信息请求，HSS返回用户设备标识对应的优先级标识，优先级标识指示用户设备的优先级，则基站针对用户设备通过SRB发送的携带优先级标识的消息，根据优先级标识进行调度处理。本公开提供了一种基于优先级标识的Qos管理机制，能够在用户设备完成初始接入附着后为用户设备提供优先级标识，使得基站后续针对通过SRB发送的数据消息可以根据优先级标识进行调度处理，实现了针对SRB的差异化调度，提升了业务适应能力。并且对于对即时性要求较高的用户设备，可以根据优先级标识进行优先处理，降低处理时延。

Description

针对SRB的QoS管理及装置 技术领域
本公开涉及通信技术领域，特别涉及一种针对SRB的QoS管理方法及装置。
背景技术
物联网是指将各种各样的物体接入网络，进行信息交换和通信，以实现智能化识别、定位、跟踪、监控和管理的一种技术。随着物联网技术的不断发展，低功耗广覆盖(Low Power Wide Area，LPWA)业务应运而生。LPWA业务主要包括传感器、抄表、跟踪、物流、智能停车、智能垃圾桶等多种低速率业务，多数LPWA业务对应用数据的发送时延要求低，但部分业务对应用数据发送时延有一定要求，如跟踪类业务、智能停车业务。
首先，用户设备与基站建立无线资源控制(Radio Resource Control，RRC)连接，用于承载用户设备与基站之间传输的信令。基站向移动性管理实体(Mobile Managenment Entity，MME)发送初始直传消息，该初始直传消息包括服务请求，该服务请求携带用户设备标识，由MME向归属签约用户服务器(Home Subscriber Server，HSS)发送用户签约信息请求，该用户签约信息请求也携带用户设备标识，则HSS根据该用户设备标识查询到该用户设备的QoS参数，返回给MME。MME在向基站发送的上下文建立响应中携带该QoS参数，基站即可存储该QoS参数，并与用户设备建立数据无线承载(Data Radio Bearer，DRB)。
之后，当用户设备通过DRB向基站发送应用数据消息时，基站可以根据该用户设备的QoS参数，对该应用数据消息进行调度处理。其中，该调度处理是指，基站针对接收到的的多个应用数据消息，会根据每个应用数据消息对应的QoS参数确定优先级，从而能够按照多个应用数据消息的优先级进行调度处理，以便优先处理对时延要求较高的应用数据消息，降低了这些应用数据消息的时延。
但是，上述服务质量(Quality of Service，QoS)管理机制仅能应用于用户设备通过DRB发送的应用数据中，而无法应用于移动通信网络通过其他途径发送的数据中，存在局限性。
发明内容
为了解决相关技术的问题，本公开实施例提供了一种针对SRB的QoS管理方法及装置。所述技术方案如下：
第一方面，提供了一种针对SRB的QoS管理方法，应用于基站中，所述方法包括：
与用户设备建立无线资源控制RRC连接后,向移动性管理实体MME发送第一初始直传消息,所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识，以使所述MME向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，所述HSS向所述MME发送所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
接收所述MME发送的第一上下文请求，所述第一上下文请求包括用户设备标识和所述用户设备的优先级标识；
向所述用户设备发送RRC重配消息，所述RRC重配消息包括所述优先级标识，以使所述用户设备存储所述优先级标识；
当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
在一种可能实现方式中，所述第一上下文请求包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位；所述RRC重配消息包括所述S-TMSI。
在另一种可能实现方式中，所述优先级标识位于S-TMSI中的指定位，包括：
所述S-TMSI包括移动性管理实体临时移动台标识M-TMSI，所述优先级标识位于所述M-TMSI中的指定位。
在另一种可能实现方式中，所述当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理，包括：
接收所述用户设备发送的随机接入请求，所述随机接入请求携带所述优先级标识；
根据所述优先级标识，对所述随机接入请求进行调度处理；
当所述随机接入请求调度处理完成时，向所述用户设备发送随机接入响应。
在另一种可能实现方式中，所述当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理，包括：
释放所述RRC连接后，接收所述用户设备发送的RRC连接请求，所述RRC连接请求携带所述优先级标识；
根据所述优先级标识，对所述RRC连接请求进行调度处理；
当所述RRC连接请求调度处理完成时，向所述用户设备发送RRC连接响应。
在另一种可能实现方式中，所述向所述用户设备发送RRC连接响应之后，所述方法还包括：
与所述用户设备再次建立所述RRC连接；
向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向所述HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的服务质量QoS参数；
接收所述MME发送的第二上下文请求，并存储所述QoS参数；
与所述用户设备建立数据无线承载DRB。
在另一种可能实现方式中，所述与所述用户设备建立数据无线承载DRB之后，所述方法还包括：
通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识，则根据所述QoS参数，对所述应用数据消息进行调度处理；或者，
通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，则根据所述优先级标识，对所述应用数据消息进行调度处理。
第二方面，提供了一种针对SRB的QoS管理方法，应用于用户设备中，所述方法包括：
与基站建立无线资源控制RRC连接后，接收所述基站发送的RRC重配消息，所述RRC重配消息包括所述用户设备的优先级标识，由所述基站接收到移动性管理实体MME发送的 第一上下文请求后发送，所述第一上下文请求包括用户设备标识和归属签约用户服务器HSS发送给所述MME的所述优先级标识，所述优先级标识用于指示所述用户设备的优先级；
存储所述优先级标识；
在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，以使所述基站接收到携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
在一种可能实现方式中，所述RRC重配消息包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位。
在另一种可能实现方式中，所述优先级标识位于S-TMSI中的指定位，包括：
所述S-TMSI包括移动性管理实体临时移动台标识M-TMSI，所述优先级标识位于M-TMSI中的指定位。
在另一种可能实现方式中，所述在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，包括：
释放所述RRC连接后，在待发送给所述基站的随机接入请求中添加所述优先级标识；
向所述基站发送添加所述优先级标识后得到的随机接入请求，以使所述基站根据所述优先级标识，对所述随机接入请求进行调度处理，当所述随机接入请求调度处理完成时返回随机接入响应；
接收所述随机接入响应。
在另一种可能实现方式中，所述在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，包括：
释放所述RRC连接后，向所述基站发送随机接入请求，并接收所述基站发送的随机接入响应；
在待发送给所述基站的RRC连接请求中添加所述优先级标识；
向所述基站发送添加所述优先级标识后得到的RRC连接请求，以使所述基站根据所述优先级标识，对所述RRC连接请求进行调度处理，当所述RRC连接请求调度处理完成时返回RRC连接响应；
接收所述RRC连接响应，与所述基站再次建立所述RRC连接。
在另一种可能实现方式中，所述与所述基站再次建立所述RRC连接之后，所述方法还包括：
与所述基站建立数据无线承载DRB；
通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识，以使所述基站根据服务质量QoS参数，对所述应用数据消息进行调度处理，其中所述基站用于与所述用户设备再次建立所述RRC连接后，向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向归属签约用户服务器HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的所述QoS参数；或者，
通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，以使所述基站根据所述优先级标识，对所述应用数据消息进行调度处理。
第三方面，提供了一种针对SRB的QoS管理方法，应用于移动性管理实体MME中，所述方法包括：
接收基站发送的第一初始直传消息，所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识；
向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
接收所述HSS发送的所述优先级标识；
向所述基站发送第一上下文请求，所述第一上下文请求包括所述用户设备标识和所述优先级标识，以使所述基站向所述用户设备发送携带所述优先级标识的无线资源控制RRC重配消息，所述用户设备存储所述优先级标识，且所述基站还用于当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
在一种可能实现方式中，所述方法还包括：
接收所述基站发送的第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
向所述HSS发送第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的服务质量QoS参数；
接收所述HSS发送的所述QoS参数；
向所述基站发送第二上下文请求，所述第二上下文请求包括所述用户设备标识和所述QoS参数，以使所述基站存储所述QoS参数，当接收到所述用户设备发送的消息时，根据所述QoS参数对所述消息进行调度处理。
第四方面，提供了一种针对SRB的QoS管理方法，应用于归属签约用户服务器HSS中，所述方法包括：
接收移动性管理实体MME发送的第一用户签约信息请求，所述第一用户签约信息请求包括用户设备标识，所述第一用户签约信息请求由所述MME接收到基站发送的第一初始直传消息时发送，所述第一初始直传消息包括附着请求，所述附着请求携带所述用户设备标识；
获取所述用户设备标识对应的优先级标识，所述优先级标识用于指示对应用户设备的优先级；
向所述MME发送所述优先级标识，所述MME用于通过所述基站向所述用户设备发送所述优先级标识，以使所述用户设备存储所述优先级标识，所述基站接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
在一种可能实现方式中，所述方法还包括：
接收所述MME发送的第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，所述第二用户签约信息请求由所述MME接收到所述基站发送的第二初始直传 消息时发送，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
获取所述用户设备标识对应的服务质量QoS参数；
向所述MME发送所述QoS参数，所述MME用于向所述基站发送所述QoS参数，以使所述基站存储所述QoS参数，并与所述用户设备建立数据无线承载DRB，当通过所述DRB接收到所述用户发送的应用数据消息时，根据所述QoS参数对所述应用数据消息进行调度处理。
第五方面，提供了一种基站，所述基站包括：
连接模块，用于与用户设备建立无线资源控制RRC连接；
发送模块，用于向移动性管理实体MME发送第一初始直传消息,所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识，以使所述MME向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，所述HSS向所述MME发送所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
接收模块，用于接收所述MME发送的第一上下文请求，所述第一上下文请求包括用户设备标识和所述用户设备的优先级标识；
所述发送模块，还用于向所述用户设备发送RRC重配消息，所述RRC重配消息包括所述优先级标识，以使所述用户设备存储所述优先级标识；
处理模块，用于当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
在一种可能实现方式中，所述第一上下文请求包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位；所述RRC重配消息包括所述S-TMSI。
在另一种可能实现方式中，所述处理模块包括：
接收单元，用于接收所述用户设备发送的随机接入请求，所述随机接入请求携带所述优先级标识；
处理单元，用于根据所述优先级标识，对所述随机接入请求进行调度处理；
发送单元，用于当所述随机接入请求调度处理完成时，向所述用户设备发送随机接入响应。
在另一种可能实现方式中，所述处理模块包括：
接收单元，用于所述连接模块释放所述RRC连接后，接收所述用户设备发送的RRC连接请求，所述RRC连接请求携带所述优先级标识；
处理单元，用于根据所述优先级标识，对所述RRC连接请求进行调度处理；
发送单元，用于当所述RRC连接请求调度处理完成时，向所述用户设备发送RRC连接响应。
在另一种可能实现方式中，所述基站还包括：
所述连接模块，用于与所述用户设备再次建立所述RRC连接；
所述发送模块，用于向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向所述HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的服务质量QoS参数；
所述接收模块，用于接收所述MME发送的第二上下文请求；
存储模块，用于存储所述QoS参数；
所述连接模块，用于与所述用户设备建立数据无线承载DRB。
在另一种可能实现方式中，所述处理模块，还用于通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识，则根据所述QoS参数，对所述应用数据消息进行调度处理；或者，
所述处理模块，还用于通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，则根据所述优先级标识，对所述应用数据消息进行调度处理。
第六方面，提供了一种用户设备，所述用户设备包括：
连接模块，用于与基站建立无线资源控制RRC连接；
接收模块，用于接收所述基站发送的RRC重配消息，所述RRC重配消息包括所述用户设备的优先级标识，由所述基站接收到移动性管理实体MME发送的第一上下文请求后发送，所述第一上下文请求包括用户设备标识和归属签约用户服务器HSS发送给所述MME的所述优先级标识，所述优先级标识用于指示所述用户设备的优先级；
存储模块，用于存储所述优先级标识；
添加模块，用于在待发送给所述基站的消息中添加所述优先级标识；
发送模块，用于通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，以使所述基站接收到携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
在一种可能实现方式中，所述RRC重配消息包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位。
在另一种可能实现方式中，所述添加模块，还用于在所述连接模块释放所述RRC连接后，在待发送给所述基站的随机接入请求中添加所述优先级标识；
所述发送模块，还用于向所述基站发送添加所述优先级标识后得到的随机接入请求，以使所述基站根据所述优先级标识，对所述随机接入请求进行调度处理，当所述随机接入请求调度处理完成时返回随机接入响应；
所述接收模块，还用于接收所述随机接入响应。
在另一种可能实现方式中，所述发送模块，还用于在所述连接模块释放所述RRC连接后，向所述基站发送随机接入请求；
所述接收模块，还用于接收所述基站发送的随机接入响应；
所述添加模块，还用于在待发送给所述基站的RRC连接请求中添加所述优先级标识；
所述发送模块，还用于向所述基站发送添加所述优先级标识后得到的RRC连接请求，以使所述基站根据所述优先级标识，对所述RRC连接请求进行调度处理，当所述RRC连接请求调度处理完成时返回RRC连接响应；
所述接收模块，还用于接收所述RRC连接响应；
所述连接模块，还用于与所述基站再次建立所述RRC连接。
在另一种可能实现方式中，所述连接模块，还用于与所述基站建立数据无线承载DRB；
所述发送模块，还用于通过所述DRB向所述基站发送应用数据消息，所述应用数据消 息携带所述用户设备标识，以使所述基站根据服务质量QoS参数，对所述应用数据消息进行调度处理，其中所述基站用于与所述用户设备再次建立所述RRC连接后，向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向归属签约用户服务器HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的所述QoS参数；或者，
所述发送模块，还用于通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，以使所述基站根据所述优先级标识，对所述应用数据消息进行调度处理。
第七方面，提供了一种移动性管理实体MME，所述MME包括：
接收模块，用于接收基站发送的第一初始直传消息，所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识；
发送模块，用于向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
所述接收模块，还用于接收所述HSS发送的所述优先级标识；
所述发送模块，还用于向所述基站发送第一上下文请求，所述第一上下文请求包括所述用户设备标识和所述优先级标识，以使所述基站向所述用户设备发送携带所述优先级标识的无线资源控制RRC重配消息，所述用户设备存储所述优先级标识，且所述基站还用于当接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
在另一种可能实现方式中，所述接收模块，还用于接收所述基站发送的第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
所述发送模块，还用于向所述HSS发送第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的服务质量QoS参数；
所述接收模块，还用于接收所述HSS发送的所述QoS参数；
所述发送模块，还用于向所述基站发送第二上下文请求，所述第二上下文请求包括所述用户设备标识和所述QoS参数，以使所述基站存储所述QoS参数，当接收到所述用户设备发送的消息时，根据所述QoS参数对所述消息进行调度处理。
第八方面，提供了一种归属签约用户服务器HSS，所述HSS包括：
接收模块，用于接收移动性管理实体MME发送的第一用户签约信息请求，所述第一用户签约信息请求包括用户设备标识，所述第一用户签约信息请求由所述MME接收到基站发送的第一初始直传消息时发送，所述第一初始直传消息包括附着请求，所述附着请求携带所述用户设备标识；
获取模块，用于获取所述用户设备标识对应的优先级标识，所述优先级标识用于指示对应用户设备的优先级；
发送模块，用于向所述MME发送所述优先级标识，所述MME用于通过所述基站向所述 用户设备发送所述优先级标识，以使所述用户设备存储所述优先级标识，所述基站接收到所述用户设备通过SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
在另一种可能实现方式中，所述接收模块，还用于接收所述MME发送的第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，所述第二用户签约信息请求由所述MME接收到所述基站发送的第二初始直传消息时发送，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
所述获取模块，还用于获取所述用户设备标识对应的服务质量QoS参数；
所述发送模块，还用于向所述MME发送所述QoS参数，所述MME用于向所述基站发送所述QoS参数，以使所述基站存储所述QoS参数，并与所述用户设备建立数据无线承载DRB，当通过所述DRB接收到所述用户发送的应用数据消息时，根据所述QoS参数对所述应用数据消息进行调度处理。
本公开实施例提供的技术方案带来的有益效果是：
通过基站与用户设备建立RRC连接后,向MME发送第一初始直传消息，MME向HSS发送第一用户签约信息请求，HSS返回用户设备的优先级标识，则基站向用户设备发送RRC重配消息，RRC重配消息包括优先级标识，用户设备存储该优先级标识，并在发送给基站的消息中携带该优先级标识，基站即可根据优先级标识进行调度处理。本实施例提供了一种基于优先级标识的Qos管理机制，能够在用户设备完成初始接入附着后为用户设备提供优先级标识，使得基站后续针对通过SRB发送的数据消息可以根据优先级标识进行调度处理，实现了针对SRB的差异化调度，提升了业务适应能力。并且对于对即时性要求较高的用户设备，可以根据优先级标识进行优先处理，降低处理时延。
附图说明
图1是本公开实施例提供的一种通信***的结构示意图；
图2是本公开实施例提供的一种针对SRB的QoS管理方法的流程图；
图3是本公开实施例提供的一种针对SRB的QoS管理方法的流程图；
图4是本公开实施例提供的一种针对SRB的QoS管理方法的流程图；
图5是本公开实施例提供的一种基站的结构示意图；
图6是本公开实施例提供的一种用户设备的结构示意图；
图7是本公开实施例提供的一种MME的结构示意图；
图8是本公开实施例提供的一种HSS的结构示意图；
图9是本公开实施例提供的一种基站的结构示意图；
图10是本公开实施例提供的一种用户设备的结构示意图；
图11是本公开实施例提供的一种MME的结构示意图；
图12是本公开实施例提供的一种HSS的结构示意图。
具体实施方式
为使本公开的目的、技术方案和优点更加清楚，下面将结合附图对本公开实施方式作进一步地详细描述。
图1是本公开实施例提供的一种通信***的结构示意图，如图1所示，该通信***包括：用户设备101、基站102、MME103、HSS104；其中，HSS104中存储有每个用户设备的用户设备标识和对应的用户签约信息，用户签约信息中包括优先级标识，还可以包括QoS参数。
用户设备101与基站102建立RRC连接，RRC连接即为一种信令无线承载(Signaling Radio Bearer，SRB)。本实施例在HSS中设置用户设备的优先级标识，在用户设备完成初始接入附着后为用户设备提供优先级标识，使得即使还未建立DRB时，也能够根据优先级标识对用户设备通过SRB发送的消息进行调度处理。
本实施例可以应用于窄带物联网(Narrow Band Internet of Things，NB-IOT)的LPWA业务，LPWA业务将优先级标识作为一种“简单的QoS参数”，建立专门针对SRB的QoS管理机制，实现了在SRB建立及相关信令传输过程中的差异化调度，进一步提升了NB-IOT的业务适应能力。当然，针对SRB的QoS管理机制也可以与常规的针对DRB的QoS管理机制并存，进一步加强了LPWA业务的QoS管理能力。
进一步地，该通信***还可以包括网关，如服务网关(Serving GateWay，SGW)或分组数据网关(Packet Data Network Gateway，PGW)，用户设备可以通过基站和MME，与网关建立连接，从而能够通过网关接入广域网。
图2是本公开实施例提供的一种针对SRB的QoS管理方法的流程图，如图2所示，包括以下步骤：
201、用户设备开机附着，向基站发送随机接入请求，该随机接入请求携带用户设备标识。
其中，用户设备标识用于唯一确定对应的用户设备，可以为用户设备的手机号码、设备编号等，本实施例对此不做限定。
202、基站接收该随机接入请求，向用户设备发送随机接入响应。
203、用户设备接收随机接入响应，向基站发送RRC连接请求，该RRC连接请求包括附着请求，该附着请求携带用户设备标识。
其中，该附着请求为网络附属存储(Network Attached Storage，NAS)附着请求。
204、基站接收该附着请求，向用户设备发送RRC连接响应。
205、用户设备接收RRC连接响应，与基站建立RRC连接，向基站发送RRC连接完成消息。
206、基站向MME发送第一初始直传消息，该第一初始直传消息包括该附着请求。
207、MME接收该第一初始直传消息，向HSS发送第一用户签约信息请求，第一用户签约信息请求携带用户设备标识。
208、HSS接收第一用户签约信息请求，获取该用户设备标识对应的优先级标识，发送给MME。
本实施例中，HSS用于存储用户设备的用户签约信息，该用户签约信息至少包括用户设备的优先级标识，还可以包括用户设备的QoS参数。
其中，优先级标识用于指示该用户设备的优先级，根据优先级可以确定用户设备对即时性的要求高低。基站接收到多个用户设备发送的消息时，会按照每个用户设备的优先级标识来确定每个用户设备的优先级，从而确定每个用户设备的处理顺序，按照确定的处理顺序进行调度处理。
关于该优先级标识的具体内容，优先级标识可以以多个不同的标识来表示不同的优先级。例如，优先级标识包括第一标识和第二标识两种，优先级标识为第一标识的用户设备所发送的消息要优先于优先级标识为第二标识的用户设备所发送的消息，基站针对多个用户设备发送的消息，会优先处理优先级标识为第一标识的用户设备发送的消息。
或者，优先级标识包括按照顺序排列的多个标识，则基站针对多个用户设备发送的消息，会按照每个用户设备的优先级标识确定多个用户设备的排列顺序，按照该排列顺序依次处理每个用户设备发送的消息。
关于该优先级标识的确定方式，每种用户设备的业务类型可以包括固定的一种或多种，例如一种用户设备可以明确确定仅使用一种LPWA业务，则根据用户设备的业务类型，可以确定用户设备对即时性的要求高低，对于对即时性要求较高的用户设备，可以设置排列顺序靠前的优先级标识，对于对即时性要求较低的用户设备，可以设置排列顺序靠后的优先级标识，从而可以将为每个用户设备设置的优先级标识存储于HSS中。例如，对即时性要求较高的用户设备，可以将优先级标识设置为第一标识，对即时性要求较低的用户设备，可以将优先级标识设置为第二标识，第一标识可以为1，第二标识可以为0。
关于优先级标识的存储方式，该优先级标识可以单独存储于HSS中，也可以作为QoS参数中的其中一项参数，存储于QoS参数中。
本实施例中，在HSS上对LPWA业务的用户设备实施统一管理，将用户设备对于LPWA业务的即时性要求定义为优先级标识，该优先级标识可以看做是“简单的QoS参数”，采用该优先级标识模拟了QoS参数的功能，根据该优先级标识可以实现差异化调度。
209、MME接收该优先级标识，向基站发送第一上下文请求，该第一上下文请求包括用户设备标识和优先级标识。
在一种可能实现方式中，该第一上下文请求包括***架构演进临时移动台标识(System Architecture Evolution-Temporary Mobile Subscriber Identity，S-TMSI)，优先级标识位于S-TMSI中的指定位，该指定位可以为S-TMSI中的任一空闲位。
进一步地，该第一上下文请求包括S-TMSI，S-TMSI包括移动性管理实体临时移动台标识(Mobile Managenment Entity-Temporary Mobile Subscriber Identity，M-TMSI)，优先级标识位于M-TMSI中的指定位，该指定位可以为M-TMSI中的任一个或多个空闲位。
实际上，MME在为用户设备分配S-TMSI时，取出M-TMSI中的1位来承载该优先级标识即可，可以做到对既定协议的变更最小化。后续当MME更新时，更新后的MME为用户设备重新分配S-TMSI时，也会采用上述方式将优先级标识承载于S-TMSI中。
210、基站接收该第一上下文请求，向用户设备发送RRC重配消息，该RRC重配消息中携带该优先级标识。
基于上述步骤209中的可能实现方式，该RRC重配消息中可以包括S-TMSI，优先级标识位于S-TMSI的指定位上。
211、用户设备接收该RRC重配消息，并存储该优先级标识，向基站发送RRC重配完成 消息。
基于上述步骤210的可能实现方式，RRC重配消息中包括S-TMSI，优先级标识位于S-TMSI的指定位上，则用户设备从RRC重配消息的中S-TMSI的指定位上提取该优先级标识，并存储该优先级标识。
本实施例中，用户设备获取到该优先级标识之后，无论出于Idle还是省电模式(Power Saving Mode，PSM)等状态下，均可存储该优先级标识。在后续通过SRB向基站发送任一消息时，均可携带该优先级标识，以使基站能够接收用户设备通过SRB发送的消息，并根据消息中携带的优先级标识对该消息进行调度处理。此时基站无需保存用户设备的优先级标识，无需随着用户设备的状态变化而更改保存的上下文信息，并且无需保存海量用户设备的上下文信息，节省了存储空间。
212、基站向MME发送第一上下文响应。
213、当用户设备释放与基站之间的RRC连接后，向基站发送随机接入请求，该随机接入请求携带用户设备标识。
214、基站接收该随机接入请求，向用户设备发送随机接入响应。
用户设备建立与基站之间的RRC连接之后，当用户设备没有消息发送时，满足转Id le(空闲)条件，则释放该RRC连接。
之后，当用户设备要向基站发送消息或者要接收基站发送的消息时，重新触发随机接入请求，以便重新接入基站。
215、用户设备接收随机接入响应，并在待发送的RRC连接请求中添加优先级标识，向基站发送添加优先级标识后所得到的RRC连接请求。
由于用户设备已经存储优先级标识，因此再次建立RRC连接的过程即可应用该优先级标识进行调度处理。即用户设备不会直接发送RRC连接请求，而是先在RRC连接请求中添加优先级标识，再发送添加优先级标识后所得到的RRC连接请求。
216、基站接收该RRC连接请求，从该RRC连接请求中获取该优先级标识，根据该优先级标识，对该RRC连接请求进行调度处理，调度处理完成时，基站向用户设备发送RRC连接响应。
217、用户设备接收RRC连接响应，与基站再次建立RRC连接，向基站发送RRC连接建立完成消息。
基站可以从该RRC连接请求中获取该优先级标识，从而根据该优先级标识确定该用户设备的优先级，也即是该RRC连接请求的优先级。此时，基站可以根据当前要处理的多个消息中每个消息的优先级进行调度，依次确定每个消息的处理顺序，并按照确定的处理顺序依次进行处理。当调度到该RRC连接请求时，基站对该RRC连接请求进行处理，并在处理完成时，向基站发送RRC连接响应，从而保证用户设备与基站再次建立RRC连接。
本实施例中，基站根据用户设备的优先级标识执行QoS管理机制，对后续SRB的建立、信令及数据的传输进行了差异化调度，满足了不同用户设备对即时性的要求。
需要说明的是，本实施例中仅以用户设备发送的RRC连接请求中携带优先级标识为例进行说明，实际上，本实施例提供了针对SRB的QoS管理机制，针对用户设备通过SRB发送的任一消息，均可携带该优先级标识，并由基站根据该优先级标识进行调度处理。
本实施例提供的方法，通过基站与用户设备建立RRC连接后,向MME发送第一初始直传 消息，MME向HSS发送第一用户签约信息请求，HSS返回用户设备的优先级标识，则基站向用户设备发送RRC重配消息，RRC重配消息包括优先级标识，用户设备存储该优先级标识，并在发送给基站的消息中携带该优先级标识，基站即可根据优先级标识进行调度处理。本实施例提供了一种基于优先级标识的Qos管理机制，能够在用户设备完成初始接入附着后为用户设备提供优先级标识，使得基站后续针对通过SRB发送的数据消息可以根据优先级标识进行调度处理，实现了针对SRB的差异化调度，提升了业务适应能力。并且对于对即时性要求较高的用户设备，可以根据优先级标识进行优先处理，降低处理时延。
在上述图2所示实施例的基础上，本实施例还可以提供常规的QoS管理机制，将上述针对SRB的QoS管理机制与常规的针对DRB的QoS管理机制结合，基站可以根据优先级标识和QoS参数中的至少一种进行调度处理，具体过程详见下述实施例。
图3是本公开实施例提供的一种针对SRB的QoS管理方法的流程图，如图3所示，在步骤217之后，方法还可以包括以下步骤：
218、基站向MME发送第二初始直传消息，第二初始直传消息包括服务请求，服务请求携带用户设备标识。
219、MME接收第二初始直传消息，向HSS发送第二用户签约信息请求，第二用户签约信息请求携带用户设备标识。
220、HSS接收第二用户签约信息请求，获取用户设备标识对应的QoS参数，发送给MME。
其中，QoS参数可以包括分配保留优先级(Allocation and Retention Priority，ARP)、QoS等级指示(QoS Class Identifier，QCI)等参数。
221、MME接收QoS参数，向基站发送第二上下文请求，第二上下文请求包括用户设备标识和QoS参数。
222、基站接收第二上下文请求，存储QoS参数，并与用户设备建立DRB。
223、用户设备通过DRB向基站发送应用数据消息，应用数据消息携带用户设备标识。
224、基站接收应用数据消息，根据QoS参数，对应用数据消息进行调度处理。
上述步骤223-224还可以由以下步骤225-226代替：
225、用户设备通过DRB向基站发送应用数据消息，应用数据消息携带用户设备标识和优先级标识。
226、基站根据优先级标识，对应用数据消息进行调度处理。
本实施例提供的方法，将常规的针对DRB的QoS管理机制与针对SRB的QoS管理机制相结合，实现了针对SRB和DRB的差异化调度，解决了常规的QoS管理机制仅针对DRB进行差异化调度而不适用于SRB的问题。
上述图2所示实施例中，用户设备存储优先级标识后，在步骤215发送RRC连接请求时携带优先级标识，基站即可根据该优先级标识对该RRC连接请求进行调度处理。实际上，用户设备存储优先级标识之后所发送的任一消息中均可携带该优先级标识。
图4是本公开实施例提供的一种针对SRB的QoS管理方法的流程图，如图4所示，在步骤212之后，步骤215之前，该方法还包括：
227、当用户设备释放与基站之间的RRC连接后，在待发送给基站的随机接入请求中添 加该优先级标识，向基站发送添加该优先级标识后得到的随机接入请求，则该随机接入请求携带用户设备标识和该优先级标识。
其中，用户设备可以在随机接入请求的前导序列中添加该优先级标识，后续基站可以从该前导序列中获取该优先级标识。
由于用户设备已经存储优先级标识，因此再次接入基站的过程即可应用该优先级标识进行调度处理。即用户设备不会直接发送随机接入请求，而是先在随机接入请求中添加优先级标识，再发送添加优先级标识后得到的随机接入请求。
228、基站接收随机接入请求，根据该优先级标识对随机接入请求进行调度处理，当随机接入请求调度处理完成时，向用户设备发送随机接入响应。
上述步骤213中，用户设备发送的随机接入请求未携带该优先级标识，基站接收到该随机接入请求时，只能在将在该随机接入请求之前接收的其他消息处理完成后，才能处理该随机接入请求，向用户设备返回随机接入响应，这个处理过程会消耗一定的时间。
而本步骤228中，用户设备发送的随机接入请求携带该优先级标识，基站接收到该随机接入请求时，将该随机接入请求的优先级标识与在该随机接入请求之前接收的其他消息的优先级标识进行对比后，根据优先级标识进行调度处理，从而能够优先处理对即时性要求较高的消息。
图5是本公开实施例提供的一种基站的结构示意图，如图5所示，该基站包括：
连接模块501，用于与用户设备建立无线资源控制RRC连接；
发送模块502，用于向移动性管理实体MME发送第一初始直传消息,第一初始直传消息包括附着请求，附着请求携带用户设备标识，以使MME向归属签约用户服务器HSS发送第一用户签约信息请求，第一用户签约信息请求携带用户设备标识，HSS向MME发送用户设备标识对应的优先级标识，优先级标识用于指示用户设备的优先级；
接收模块503，用于接收MME发送的第一上下文请求，第一上下文请求包括用户设备标识和用户设备的优先级标识；
发送模块502，还用于向用户设备发送RRC重配消息，RRC重配消息包括优先级标识，以使用户设备存储优先级标识；
处理模块504，用于当接收到用户设备通过SRB发送的携带优先级标识的消息时，根据优先级标识，对消息进行调度处理。
在一种可能实现方式中，第一上下文请求包括***架构演进临时移动台标识S-TMSI，优先级标识位于S-TMSI中的指定位；RRC重配消息包括S-TMSI。
在另一种可能实现方式中，处理模块504包括：
接收单元，用于接收用户设备发送的随机接入请求，随机接入请求携带优先级标识；
处理单元，用于根据优先级标识，对随机接入请求进行调度处理；
发送单元，用于当随机接入请求调度处理完成时，向用户设备发送随机接入响应。
在另一种可能实现方式中，处理模块504包括：
接收单元，用于连接模块501释放RRC连接后，接收用户设备发送的RRC连接请求，RRC连接请求携带优先级标识；
处理单元，用于根据优先级标识，对RRC连接请求进行调度处理；
发送单元，用于当RRC连接请求调度处理完成时，向用户设备发送RRC连接响应。
在另一种可能实现方式中，基站还包括：
连接模块501，用于与用户设备再次建立RRC连接；
发送模块502，用于向MME发送第二初始直传消息，第二初始直传消息包括服务请求，服务请求携带用户设备标识，以使MME向HSS发送第二用户签约信息请求，HSS向MME发送用户设备标识对应的服务质量QoS参数；
接收模块503，用于接收MME发送的第二上下文请求；
存储模块，用于存储QoS参数；
连接模块501，用于与用户设备建立数据无线承载DRB。
在另一种可能实现方式中，处理模块504，还用于通过DRB接收用户设备发送的应用数据消息，应用数据消息携带用户设备标识，则根据QoS参数，对应用数据消息进行调度处理；或者，
处理模块504，还用于通过DRB接收用户设备发送的应用数据消息，应用数据消息携带用户设备标识和优先级标识，则根据优先级标识，对应用数据消息进行调度处理。
图6是本公开实施例提供的一种用户设备的结构示意图，如图6所示，该用户设备包括：
连接模块601，用于与基站建立无线资源控制RRC连接；
接收模块602，用于接收基站发送的RRC重配消息，RRC重配消息包括用户设备的优先级标识，由基站接收到移动性管理实体MME发送的第一上下文请求后发送，第一上下文请求包括用户设备标识和归属签约用户服务器HSS发送给MME的优先级标识，优先级标识用于指示用户设备的优先级；
存储模块603，用于存储优先级标识；
添加模块604，用于在待发送给基站的消息中添加优先级标识；
发送模块605，用于通过SRB向基站发送添加优先级标识后得到的消息，以使基站接收到携带优先级标识的消息时，根据优先级标识对消息进行调度处理。
在一种可能实现方式中，RRC重配消息包括***架构演进临时移动台标识S-TMSI，优先级标识位于S-TMSI中的指定位。
在另一种可能实现方式中，添加模块604，还用于在连接模块释放RRC连接后，在待发送给基站的随机接入请求中添加优先级标识；
发送模块605，还用于向基站发送添加优先级标识后得到的随机接入请求，以使基站根据优先级标识，对随机接入请求进行调度处理，当随机接入请求调度处理完成时返回随机接入响应；
接收模块602，还用于接收随机接入响应。
在另一种可能实现方式中，发送模块605，还用于在连接模块释放RRC连接后，向基站发送随机接入请求；
接收模块602，还用于接收基站发送的随机接入响应；
添加模块604，还用于在待发送给基站的RRC连接请求中添加优先级标识；
发送模块605，还用于向基站发送添加优先级标识后得到的RRC连接请求，以使基站根 据优先级标识，对RRC连接请求进行调度处理，当RRC连接请求调度处理完成时返回RRC连接响应；
接收模块602，还用于接收RRC连接响应；
连接模块601，还用于与基站再次建立RRC连接。
在另一种可能实现方式中，连接模块601，还用于与基站建立数据无线承载DRB；
发送模块605，还用于通过DRB向基站发送应用数据消息，应用数据消息携带用户设备标识，以使基站根据服务质量QoS参数，对应用数据消息进行调度处理，其中基站用于与用户设备再次建立RRC连接后，向MME发送第二初始直传消息，第二初始直传消息包括服务请求，服务请求携带用户设备标识，以使MME向归属签约用户服务器HSS发送第二用户签约信息请求，HSS向MME发送用户设备标识对应的QoS参数；或者，
发送模块605，还用于通过DRB向基站发送应用数据消息，应用数据消息携带用户设备标识和优先级标识，以使基站根据优先级标识，对应用数据消息进行调度处理。
图7是本公开实施例提供的一种MME的结构示意图，如图7所示，该MME包括：
接收模块701，用于接收基站发送的第一初始直传消息，第一初始直传消息包括附着请求，附着请求携带用户设备标识；
发送模块702，用于向归属签约用户服务器HSS发送第一用户签约信息请求，第一用户签约信息请求携带用户设备标识，以使HSS返回用户设备标识对应的优先级标识，优先级标识用于指示用户设备的优先级；
接收模块701，还用于接收HSS发送的优先级标识；
发送模块702，还用于向基站发送第一上下文请求，第一上下文请求包括用户设备标识和优先级标识，以使基站向用户设备发送携带优先级标识的无线资源控制RRC重配消息，用户设备存储优先级标识，且基站还用于当接收到用户设备通过SRB发送的携带优先级标识的消息时，根据优先级标识对消息进行调度处理。
在另一种可能实现方式中，接收模块701，还用于接收基站发送的第二初始直传消息，第二初始直传消息包括服务请求，服务请求携带用户设备标识；
发送模块702，还用于向HSS发送第二用户签约信息请求，第二用户签约信息请求携带用户设备标识，以使HSS返回用户设备标识对应的服务质量QoS参数；
接收模块701，还用于接收HSS发送的QoS参数；
发送模块702，还用于向基站发送第二上下文请求，第二上下文请求包括用户设备标识和QoS参数，以使基站存储QoS参数，当接收到用户设备发送的消息时，根据QoS参数对消息进行调度处理。
图8是本公开实施例提供的一种HSS的结构示意图，如图8所示，该HSS包括：
接收模块801，用于接收移动性管理实体MME发送的第一用户签约信息请求，第一用户签约信息请求包括用户设备标识，第一用户签约信息请求由MME接收到基站发送的第一初始直传消息时发送，第一初始直传消息包括附着请求，附着请求携带用户设备标识；
获取模块802，用于获取用户设备标识对应的优先级标识，优先级标识用于指示对应用户设备的优先级；
发送模块803，用于向MME发送优先级标识，MME用于通过基站向用户设备发送优先级标识，以使用户设备存储优先级标识，基站接收到用户设备通过SRB发送的携带优先级标识的消息时，根据优先级标识，对消息进行调度处理。
在另一种可能实现方式中，接收模块801，还用于接收MME发送的第二用户签约信息请求，第二用户签约信息请求携带用户设备标识，第二用户签约信息请求由MME接收到基站发送的第二初始直传消息时发送，第二初始直传消息包括服务请求，服务请求携带用户设备标识；
获取模块802，还用于获取用户设备标识对应的服务质量QoS参数；
发送模块803，还用于向MME发送QoS参数，MME用于向基站发送QoS参数，以使基站存储QoS参数，并与用户设备建立数据无线承载DRB，当通过DRB接收到用户发送的应用数据消息时，根据QoS参数对应用数据消息进行调度处理。
上述所有可选技术方案，可以采用任意结合形成本公开的可选实施例，在此不再一一赘述。
需要说明的是：上述实施例提供的基站、用户设备、MME和HSS在执行上述步骤时，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。另外，上述实施例提供的基站、用户设备、MME和HSS与针对SRB的QoS管理方法实施例属于同一构思，其具体实现过程详见方法实施例，这里不再赘述。
图9是本公开实施例提供的一种基站的结构示意图，参见图9，该用户设备包括：接收器901、发射器902、存储器903和处理器904，该接收器901、该发射器902和该存储器903分别与该处理器904连接，该存储器903存储有程序代码，该处理器904用于调用该程序代码，执行上述基站所执行的操作。
图10是本公开实施例提供的一种用户设备的结构示意图，参见图10，该服务器包括：接收器1001、发射器1002、存储器1003和处理器1004，该接收器1001、该发射器1002和该存储器1003分别与该处理器1004连接，该存储器1003存储有程序代码，该处理器1004用于调用该程序代码，执行上述用户设备所执行的操作。
图11是本公开实施例提供的一种MME的结构示意图，参见图11，该服务器包括：接收器1101、发射器1102、存储器1103和处理器1104，该接收器1101、该发射器1102和该存储器1103分别与该处理器1104连接，该存储器1103存储有程序代码，该处理器1104用于调用该程序代码，执行上述MME所执行的操作。
图12是本公开实施例提供的一种HSS的结构示意图，参见图12，该服务器包括：接收器1201、发射器1202、存储器1203和处理器1204，该接收器1201、该发射器1202和该存储器1203分别与该处理器1204连接，该存储器1203存储有程序代码，该处理器1204用于调用该程序代码，执行上述HSS所执行的操作。
本领域普通技术人员可以理解实现上述实施例的全部或部分步骤可以通过硬件来完成，也可以通过程序来指令相关的硬件完成，所述的程序可以存储于一种计算机可读存储介质中，上述提到的存储介质可以是只读存储器，磁盘或光盘等。
以上所述仅为本公开的可选实施例，并不用以限制本公开，凡在本公开的精神和原则之内，所作的任何修改、等同替换、改进等，均应包含在本公开的保护范围之内。

Claims (30)

  1. 一种针对SRB的QoS管理方法，其特征在于，应用于基站中，所述方法包括：
    与用户设备建立无线资源控制RRC连接后,向移动性管理实体MME发送第一初始直传消息,所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识，以使所述MME向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，所述HSS向所述MME发送所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    接收所述MME发送的第一上下文请求，所述第一上下文请求包括用户设备标识和所述用户设备的优先级标识；
    向所述用户设备发送RRC重配消息，所述RRC重配消息包括所述优先级标识，以使所述用户设备存储所述优先级标识；
    当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
  2. 根据权利要求1所述的方法，其特征在于，所述第一上下文请求包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位；所述RRC重配消息包括所述S-TMSI。
  3. 根据权利要求1所述的方法，其特征在于，所述优先级标识位于S-TMSI中的指定位，包括：
    所述S-TMSI包括移动性管理实体临时移动台标识M-TMSI，所述优先级标识位于所述M-TMSI中的指定位。
  4. 根据权利要求1所述的方法，其特征在于，所述当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理，包括：
    接收所述用户设备发送的随机接入请求，所述随机接入请求携带所述优先级标识；
    根据所述优先级标识，对所述随机接入请求进行调度处理；
    当所述随机接入请求调度处理完成时，向所述用户设备发送随机接入响应。
  5. 根据权利要求1所述的方法，其特征在于，所述当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理，包括：
    释放所述RRC连接后，接收所述用户设备发送的RRC连接请求，所述RRC连接请求携带所述优先级标识；
    根据所述优先级标识，对所述RRC连接请求进行调度处理；
    当所述RRC连接请求调度处理完成时，向所述用户设备发送RRC连接响应。
  6. 根据权利要求5所述的方法，其特征在于，所述向所述用户设备发送RRC连接响应之 后，所述方法还包括：
    与所述用户设备再次建立所述RRC连接；
    向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向所述HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的服务质量QoS参数；
    接收所述MME发送的第二上下文请求，并存储所述QoS参数；
    与所述用户设备建立数据无线承载DRB。
  7. 根据权利要求6所述的方法，其特征在于，所述与所述用户设备建立数据无线承载DRB之后，所述方法还包括：
    通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识，则根据所述QoS参数，对所述应用数据消息进行调度处理；或者，
    通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，则根据所述优先级标识，对所述应用数据消息进行调度处理。
  8. 一种针对SRB的QoS管理方法，其特征在于，应用于用户设备中，所述方法包括：
    与基站建立无线资源控制RRC连接后，接收所述基站发送的RRC重配消息，所述RRC重配消息包括所述用户设备的优先级标识，由所述基站接收到移动性管理实体MME发送的第一上下文请求后发送，所述第一上下文请求包括用户设备标识和归属签约用户服务器HSS发送给所述MME的所述优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    存储所述优先级标识；
    在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，以使所述基站接收到携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
  9. 根据权利要求8所述的方法，其特征在于，所述RRC重配消息包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位。
  10. 根据权利要求9所述的方法，其特征在于，所述优先级标识位于S-TMSI中的指定位，包括：
    所述S-TMSI包括移动性管理实体临时移动台标识M-TMSI，所述优先级标识位于M-TMSI中的指定位。
  11. 根据权利要求8所述的方法，其特征在于，所述在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，包括：
    释放所述RRC连接后，在待发送给所述基站的随机接入请求中添加所述优先级标识；
    向所述基站发送添加所述优先级标识后得到的随机接入请求，以使所述基站根据所述优先级标识，对所述随机接入请求进行调度处理，当所述随机接入请求调度处理完成时返回随 机接入响应；
    接收所述随机接入响应。
  12. 根据权利要求8所述的方法，其特征在于，所述在待发送给所述基站的消息中添加所述优先级标识，并通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，包括：
    释放所述RRC连接后，向所述基站发送随机接入请求，并接收所述基站发送的随机接入响应；
    在待发送给所述基站的RRC连接请求中添加所述优先级标识；
    向所述基站发送添加所述优先级标识后得到的RRC连接请求，以使所述基站根据所述优先级标识，对所述RRC连接请求进行调度处理，当所述RRC连接请求调度处理完成时返回RRC连接响应；
    接收所述RRC连接响应，与所述基站再次建立所述RRC连接。
  13. 根据权利要求12所述的方法，其特征在于，所述与所述基站再次建立所述RRC连接之后，所述方法还包括：
    与所述基站建立数据无线承载DRB；
    通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识，以使所述基站根据服务质量QoS参数，对所述应用数据消息进行调度处理，其中所述基站用于与所述用户设备再次建立所述RRC连接后，向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向归属签约用户服务器HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的所述QoS参数；或者，
    通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，以使所述基站根据所述优先级标识，对所述应用数据消息进行调度处理。
  14. 一种针对SRB的QoS管理方法，其特征在于，应用于移动性管理实体MME中，所述方法包括：
    接收基站发送的第一初始直传消息，所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识；
    向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    接收所述HSS发送的所述优先级标识；
    向所述基站发送第一上下文请求，所述第一上下文请求包括所述用户设备标识和所述优先级标识，以使所述基站向所述用户设备发送携带所述优先级标识的无线资源控制RRC重配消息，所述用户设备存储所述优先级标识，且所述基站还用于当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
  15. 根据权利要求14所述的方法，其特征在于，所述方法还包括：
    接收所述基站发送的第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
    向所述HSS发送第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的服务质量QoS参数；
    接收所述HSS发送的所述QoS参数；
    向所述基站发送第二上下文请求，所述第二上下文请求包括所述用户设备标识和所述QoS参数，以使所述基站存储所述QoS参数，当接收到所述用户设备发送的消息时，根据所述QoS参数对所述消息进行调度处理。
  16. 一种针对SRB的QoS管理方法，其特征在于，应用于归属签约用户服务器HSS中，所述方法包括：
    接收移动性管理实体MME发送的第一用户签约信息请求，所述第一用户签约信息请求包括用户设备标识，所述第一用户签约信息请求由所述MME接收到基站发送的第一初始直传消息时发送，所述第一初始直传消息包括附着请求，所述附着请求携带所述用户设备标识；
    获取所述用户设备标识对应的优先级标识，所述优先级标识用于指示对应用户设备的优先级；
    向所述MME发送所述优先级标识，所述MME用于通过所述基站向所述用户设备发送所述优先级标识，以使所述用户设备存储所述优先级标识，所述基站接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
  17. 根据权利要求16所述的方法，其特征在于，所述方法还包括：
    接收所述MME发送的第二用户签约信息请求，所述第二用户签约信息请求携带所述用户设备标识，所述第二用户签约信息请求由所述MME接收到所述基站发送的第二初始直传消息时发送，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识；
    获取所述用户设备标识对应的服务质量QoS参数；
    向所述MME发送所述QoS参数，所述MME用于向所述基站发送所述QoS参数，以使所述基站存储所述QoS参数，并与所述用户设备建立数据无线承载DRB，当通过所述DRB接收到所述用户发送的应用数据消息时，根据所述QoS参数对所述应用数据消息进行调度处理。
  18. 一种基站，其特征在于，所述基站包括：
    连接模块，用于与用户设备建立无线资源控制RRC连接；
    发送模块，用于向移动性管理实体MME发送第一初始直传消息,所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识，以使所述MME向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，所述HSS向所述MME发送所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    接收模块，用于接收所述MME发送的第一上下文请求，所述第一上下文请求包括用户设备标识和所述用户设备的优先级标识；
    所述发送模块，还用于向所述用户设备发送RRC重配消息，所述RRC重配消息包括所述优先级标识，以使所述用户设备存储所述优先级标识；
    处理模块，用于当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
  19. 根据权利要求18所述的基站，其特征在于，所述第一上下文请求包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位；所述RRC重配消息包括所述S-TMSI。
  20. 根据权利要求18所述的基站，其特征在于，所述处理模块包括：
    接收单元，用于接收所述用户设备发送的随机接入请求，所述随机接入请求携带所述优先级标识；
    处理单元，用于根据所述优先级标识，对所述随机接入请求进行调度处理；
    发送单元，用于当所述随机接入请求调度处理完成时，向所述用户设备发送随机接入响应。
  21. 根据权利要求18所述的基站，其特征在于，所述处理模块包括：
    接收单元，用于所述连接模块释放所述RRC连接后，接收所述用户设备发送的RRC连接请求，所述RRC连接请求携带所述优先级标识；
    处理单元，用于根据所述优先级标识，对所述RRC连接请求进行调度处理；
    发送单元，用于当所述RRC连接请求调度处理完成时，向所述用户设备发送RRC连接响应。
  22. 根据权利要求21所述的基站，其特征在于，所述基站还包括：
    所述连接模块，用于与所述用户设备再次建立所述RRC连接；
    所述发送模块，用于向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向所述HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的服务质量QoS参数；
    所述接收模块，用于接收所述MME发送的第二上下文请求；
    存储模块，用于存储所述QoS参数；
    所述连接模块，用于与所述用户设备建立数据无线承载DRB。
  23. 根据权利要求22所述的基站，其特征在于，
    所述处理模块，还用于通过所述DRB接收所述用户设备发送的应用数据消息，所述应用数据消息携带所述用户设备标识，则根据所述QoS参数，对所述应用数据消息进行调度处理；或者，
    所述处理模块，还用于通过所述DRB接收所述用户设备发送的应用数据消息，所述应用 数据消息携带所述用户设备标识和所述优先级标识，则根据所述优先级标识，对所述应用数据消息进行调度处理。
  24. 一种用户设备，其特征在于，所述用户设备包括：
    连接模块，用于与基站建立无线资源控制RRC连接；
    接收模块，用于接收所述基站发送的RRC重配消息，所述RRC重配消息包括所述用户设备的优先级标识，由所述基站接收到移动性管理实体MME发送的第一上下文请求后发送，所述第一上下文请求包括用户设备标识和归属签约用户服务器HSS发送给所述MME的所述优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    存储模块，用于存储所述优先级标识；
    添加模块，用于在待发送给所述基站的消息中添加所述优先级标识；
    发送模块，用于通过信令无线承载SRB向所述基站发送添加所述优先级标识后得到的消息，以使所述基站接收到携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
  25. 根据权利要求24所述的用户设备，其特征在于，所述RRC重配消息包括***架构演进临时移动台标识S-TMSI，所述优先级标识位于S-TMSI中的指定位。
  26. 根据权利要求24所述的用户设备，其特征在于，
    所述添加模块，还用于在所述连接模块释放所述RRC连接后，在待发送给所述基站的随机接入请求中添加所述优先级标识；
    所述发送模块，还用于向所述基站发送添加所述优先级标识后得到的随机接入请求，以使所述基站根据所述优先级标识，对所述随机接入请求进行调度处理，当所述随机接入请求调度处理完成时返回随机接入响应；
    所述接收模块，还用于接收所述随机接入响应。
  27. 根据权利要求24所述的用户设备，其特征在于，
    所述发送模块，还用于在所述连接模块释放所述RRC连接后，向所述基站发送随机接入请求；
    所述接收模块，还用于接收所述基站发送的随机接入响应；
    所述添加模块，还用于在待发送给所述基站的RRC连接请求中添加所述优先级标识；
    所述发送模块，还用于向所述基站发送添加所述优先级标识后得到的RRC连接请求，以使所述基站根据所述优先级标识，对所述RRC连接请求进行调度处理，当所述RRC连接请求调度处理完成时返回RRC连接响应；
    所述接收模块，还用于接收所述RRC连接响应；
    所述连接模块，还用于与所述基站再次建立所述RRC连接。
  28. 根据权利要求27所述的用户设备，其特征在于，
    所述连接模块，还用于与所述基站建立数据无线承载DRB；
    所述发送模块，还用于通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识，以使所述基站根据服务质量QoS参数，对所述应用数据消息进行调度处理，其中所述基站用于与所述用户设备再次建立所述RRC连接后，向所述MME发送第二初始直传消息，所述第二初始直传消息包括服务请求，所述服务请求携带所述用户设备标识，以使所述MME向归属签约用户服务器HSS发送第二用户签约信息请求，所述HSS向所述MME发送所述用户设备标识对应的所述QoS参数；或者，
    所述发送模块，还用于通过所述DRB向所述基站发送应用数据消息，所述应用数据消息携带所述用户设备标识和所述优先级标识，以使所述基站根据所述优先级标识，对所述应用数据消息进行调度处理。
  29. 一种移动性管理实体MME，其特征在于，所述MME包括：
    接收模块，用于接收基站发送的第一初始直传消息，所述第一初始直传消息包括附着请求，所述附着请求携带用户设备标识；
    发送模块，用于向归属签约用户服务器HSS发送第一用户签约信息请求，所述第一用户签约信息请求携带所述用户设备标识，以使所述HSS返回所述用户设备标识对应的优先级标识，所述优先级标识用于指示所述用户设备的优先级；
    所述接收模块，还用于接收所述HSS发送的所述优先级标识；
    所述发送模块，还用于向所述基站发送第一上下文请求，所述第一上下文请求包括所述用户设备标识和所述优先级标识，以使所述基站向所述用户设备发送携带所述优先级标识的无线资源控制RRC重配消息，所述用户设备存储所述优先级标识，且所述基站还用于当接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识对所述消息进行调度处理。
  30. 一种归属签约用户服务器HSS，其特征在于，所述HSS包括：
    接收模块，用于接收移动性管理实体MME发送的第一用户签约信息请求，所述第一用户签约信息请求包括用户设备标识，所述第一用户签约信息请求由所述MME接收到基站发送的第一初始直传消息时发送，所述第一初始直传消息包括附着请求，所述附着请求携带所述用户设备标识；
    获取模块，用于获取所述用户设备标识对应的优先级标识，所述优先级标识用于指示对应用户设备的优先级；
    发送模块，用于向所述MME发送所述优先级标识，所述MME用于通过所述基站向所述用户设备发送所述优先级标识，以使所述用户设备存储所述优先级标识，所述基站接收到所述用户设备通过信令无线承载SRB发送的携带所述优先级标识的消息时，根据所述优先级标识，对所述消息进行调度处理。
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