WO2017121281A1 - 一种实现数据传输方式切换的方法、装置和系统 - Google Patents

一种实现数据传输方式切换的方法、装置和系统 Download PDF

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Publication number
WO2017121281A1
WO2017121281A1 PCT/CN2017/070295 CN2017070295W WO2017121281A1 WO 2017121281 A1 WO2017121281 A1 WO 2017121281A1 CN 2017070295 W CN2017070295 W CN 2017070295W WO 2017121281 A1 WO2017121281 A1 WO 2017121281A1
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WIPO (PCT)
Prior art keywords
data transmission
mme
base station
transmission mode
information indicating
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PCT/CN2017/070295
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English (en)
French (fr)
Inventor
黄梅青
戴谦
陆婷
余媛芳
高音
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中兴通讯股份有限公司
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Publication of WO2017121281A1 publication Critical patent/WO2017121281A1/zh

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    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04LTRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L1/00Arrangements for detecting or preventing errors in the information received
    • H04L1/0001Systems modifying transmission characteristics according to link quality, e.g. power backoff
    • H04L1/0006Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the transmission format
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W4/00Services specially adapted for wireless communication networks; Facilities therefor
    • H04W4/70Services for machine-to-machine communication [M2M] or machine type communication [MTC]
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W72/00Local resource management
    • H04W72/04Wireless resource allocation

Definitions

  • Embodiments of the present invention relate to a Machine Type Communication (MTC) technology, and more particularly, to a method, apparatus, and system for implementing data transmission mode switching.
  • MTC Machine Type Communication
  • MTC massive machine type communication
  • MTC's main application areas include smart grid, intelligent transportation, smart home, remote measurement, wireless sensor network and so on. It is an important part of the emerging Internet of Things.
  • MTC User Equipment User Equipment
  • the business of fire alarm equipment is as follows:
  • the keepalive information is periodically reported, and the delay requirement is low, and the amount of data is as small as tens of bits (Byte) or less;
  • the delay requirement is relatively high, the data volume may be as small as several tens of Bytes, but it may be as large as several megabytes (M), which may be due to the fact that video information may need to be reported in some cases;
  • M megabytes
  • the software version is updated, the delay requirement is relatively low, the data volume is relatively large, and there may be several M.
  • the MTC UE supports a variety of services, including periodic service reporting, abnormal event reporting, network command delivery, and software version update.
  • the quality of service (QoS, Quality of Service) required by different services varies from network to service.
  • the MTC UE may transmit high-speed data. For example, in portable applications, smart glasses may need to be transmitted. Video data; smart watches may need to make calls, and such services require high QoS.
  • the number of MTC UEs may also be massive.
  • the access of a large number of MTC UEs may bring a large amount of signaling overhead to the network.
  • 3GPP 3rd Generation Partnership Project proposes a method for implementing data transmission, and the method generally includes:
  • the MTC UE sends an attach request to the MME, where the Attach request includes a data transmission mode supported by the MTC UE; the MME selects a data transmission mode in the Attach request, and saves information related to the selected data transmission mode, and The MTC UE sends an Attach response, where the Attach response includes the selected data transmission mode; the MTC UE saves information related to the data transmission mode selected in the Attach response; when the MTC UE or the MME needs to transmit data, the selected data transmission mode is adopted. transfer data.
  • the data transmission mode includes a control plane mode or a user plane mode.
  • the control plane mode means that the data packet is packaged into a Non-Access Stratum (NAS) protocol data unit (PDU), which is included in the control plane signaling.
  • NAS Non-Access Stratum
  • the advantage of the control plane mode is to save signaling, network overhead and power consumption of the MTC UE; the disadvantage is that the security performance is slightly poor, because the data plane bearer (DRB, Data Radio Bearer) is not established in the control plane mode, and accordingly, the MME Both the UE and the UE do not have an access layer (AS, Access Stratum) security context. Therefore, it is impossible to perform AS layer encryption on the data packet; it is not suitable for transmitting relatively large data. This is because the length of the NAS PDU is limited, for relatively large data packets.
  • DRB Data Radio Bearer
  • the network signal of the MTC UE is generally not good, and it is easy to cause packet loss, which makes it difficult for the receiver to receive the complete data packet, and the control plane mode uses the control plane signaling to transmit data. Too many small packets will bring too much control plane signaling transmission, occupying too many resources; low priority data services occupy too high scheduling resources, which is due to the priority of periodically reporting data sent by the MTC UE. It is relatively low, but since the data is transmitted in the air interface layer 3 signaling, the conventional radio resource control protocol (RRC, Radio Resource Control) is obtained.
  • RRC Radio Resource Control
  • the scheduling of the same signaling is prioritized, which will occupy the scheduling priority of the actual RRC signaling, which may result in higher air interface access failure; when the MTC UE supports data usage control at the same time
  • DRB data radio bearer
  • SRBs Signaling Radio Bearers
  • the user plane mode refers to the use of the DRB to transmit data.
  • the MTC UE and the MME respectively store the bearer information context, the access layer (AS, Access Stratum) security context, etc., and when the data is subsequently transmitted again, the MTC UE and the MME Resume the use of DRB bearers by suspending—activating the process.
  • the advantage of the user plane mode is that the encryption performance is better. This is because the MTC UE and the MME save the AS security context. The MTC UE and the MME can perform AS layer encryption on the data; and can transmit data or big data with high rate requirements.
  • the disadvantage is that the signaling optimization effect is poor. This is because the bearer information context needs to be replied first, and then the data is transmitted.
  • the bearer information context maintenance overhead is relatively large, and there is a risk that the bearer information context saved between the MTC UE and the MME is different. This is due to the MTC.
  • the UE is generally used for a long time, and the MME is in the same state of change; when the MTC UE changes the access cell, the bearer information context and the AS security context need to be migrated, and the overhead is large.
  • the embodiment of the invention provides a method, device and system for implementing data transmission mode switching, so as to at least improve the flexibility of data transmission.
  • a method for implementing data transmission mode switching including:
  • the mobility management unit MME determines that the user equipment UE needs to switch the data transmission mode, and sends information indicating that the data transmission mode is switched to the UE;
  • the MME and the UE perform switching of data transmission modes.
  • the MME determines that the UE needs to switch the data transmission manner, including one of the following:
  • the MME determines, according to any one or more of the following, and the current data transmission manner, that the UE needs to switch the data transmission mode: the service type of sending data, the load of the current network, and the received radio resource control from the UE.
  • the information that the MME sends to the UE indicating that the data transmission mode is switched includes one of the following:
  • the MME sends the information indicating the handover data transmission mode to the base station, and the base station sends the information indicating the handover data transmission mode to the UE.
  • the MME sends the information indicating a handover data transmission manner to the base station by using an S1 interface message, where the base station sends the information indicating a handover data transmission manner to the UE by using an air interface message.
  • the S1 interface message is a UE text release message or an S1 interface paging message.
  • the air interface message is an air interface paging message or an air interface RRC downlink message.
  • the information indicating the switching data transmission mode is information indicating whether to perform switching of the data transmission mode, or information indicating switching to the user plane mode or the control plane mode.
  • the switching between the MME and the UE for data transmission mode includes:
  • the user equipment UE receives the information indicating the handover data transmission mode from the MME, and performs switching of the data transmission mode with the MME.
  • the information that the UE receives from the MME indicating a handover data transmission manner includes one of the following:
  • the UE receives information indicating a handover data transmission manner sent by the MME through the base station.
  • the information indicating the switching data transmission mode is information indicating whether to perform switching of the data transmission mode, or information indicating switching to the user plane mode or the control plane mode.
  • the switching between the data transmission mode and the MME includes:
  • the UE receives an Attach response sent by the MME through the base station, and stores information related to the switched data transmission manner in the Attach response.
  • a mobility management unit MME including at least:
  • the determining module is configured to determine that the user equipment UE needs to switch the data transmission manner, and send a first notification message to the processing module;
  • the first processing module is configured to receive the first notification message, send information indicating a handover data transmission manner to the base station or the UE, and perform handover of the data transmission manner with the UE.
  • the determining module is specifically configured to:
  • the first processing module is specifically configured to:
  • Receiving a de-attached Dettach request from the base station transmitting a Dettach response to the base station, and deleting information related to a current data transmission mode; receiving an Attach request from the base station, and selecting a data transmission mode after the handover Sending an Attach response to the base station and storing data related to the switched data transmission mode.
  • the first processing module is specifically configured to:
  • Receiving the first notification message sending, by using an S1 interface message, information indicating a handover data transmission manner to the base station or sending the information indicating a handover data transmission manner to the UE by using a non-access stratum NAS downlink message, and The UE performs switching of the data transmission mode.
  • a user equipment UE including at least:
  • An acquiring module configured to receive information indicating a switching data transmission manner from the MME, and send a second notification message to the second processing module;
  • the second processing module is configured to receive the second notification message, and perform switching of the data transmission mode with the MME.
  • the acquiring module is specifically configured to:
  • the second processing module is specifically configured to:
  • Receiving the second notification message sending, by the base station, a de-attached Dettach request to the MME; receiving a Dettach response sent by the MME from the MME, and sending, by the base station, an attach Attach request to the MME;
  • the base station sends the Dettach request to the MME, or receives a Dettach response sent by the MME by the base station, deleting the saved information related to the current data transmission mode; receiving the base station from the MME
  • the transmitted Attach response saves information related to the switched data transmission mode in the Attach response.
  • a system for implementing data transmission mode switching is further provided, and at least includes:
  • the mobility management unit MME is configured to determine that the user equipment UE needs to switch the data transmission mode, and send information indicating the handover data transmission mode to the UE; and perform handover of the data transmission mode with the UE;
  • the UE is configured to receive information indicating a handover data transmission mode from the MME, and perform handover of the data transmission mode with the MME.
  • the MME is specifically configured to:
  • the MME is specifically configured to:
  • the UE needs to switch the data transmission mode, and the information indicating the handover data transmission mode is sent to the UE through the non-access stratum NAS downlink message; and the data transmission mode is switched with the UE.
  • the MME is specifically configured to:
  • Determining that the UE needs to switch a data transmission mode and transmitting information indicating a handover data transmission manner to the base station; and performing a data transmission mode switching with the UE;
  • the base station is configured to receive information indicating a handover data transmission manner from the MME, and send the information indicating the handover data transmission manner to the UE.
  • the MME is specifically configured to:
  • Determining that the UE needs to switch the data transmission mode and sending, by using the S1 interface message, information indicating that the data transmission mode is switched to the base station; and switching the data transmission mode with the UE;
  • the base station is specifically configured to:
  • the MME is specifically configured to:
  • Determining that the UE needs to switch a data transmission mode sending information indicating a handover data transmission manner to the UE; receiving a de-attached Dettach request from the base station, transmitting a Dettach response to the base station, and deleting the current data transmission manner Corresponding information; receiving an Attach request from the base station, selecting a data transmission mode after the handover, sending an Attach response to the base station, and storing data related to the switched data transmission mode;
  • a base station configured to receive a Dettach request from the UE, send a Dettach request to the MME, receive a Dettach response from the MME, send a Dettach response to the UE, and receive an Attach request from the UE, Sending an Attach request to the MME; receiving an Attach response from the MME, and sending an Attach response to the UE;
  • the UE is specifically configured as:
  • Receiving information indicating a handover data transmission manner from the MME transmitting a Dettach request to the base station; receiving a Dettach response from the base station, and transmitting an Attach request to the base station; wherein, by the base station When the MME sends the Dettach request, or receives a Dettach response sent by the MME through the base station, deleting the saved information related to the current data transmission mode; receiving an Attach response from the base station, Information related to the switched data transmission mode in the Attach response is saved.
  • a storage medium configured to store program code for performing the above-described method of implementing data transfer mode switching.
  • the technical solution of the embodiment of the present invention includes: the MME determines that the UE needs to switch the data transmission mode, and sends information indicating that the data transmission mode is switched to the UE; and the MME and the UE perform the data transmission mode switching.
  • the MME when determining that the UE needs to switch the data transmission mode, the MME sends information indicating that the data transmission mode is switched to the UE to implement the switching of the data transmission mode, thereby improving the flexibility of data transmission.
  • FIG. 1 is a flowchart of a method for implementing data transmission mode switching according to the present invention
  • FIG. 2 is a flowchart of a method for implementing data transmission mode switching according to a first embodiment of the present invention
  • FIG. 3 is a flowchart of a method for implementing data transmission mode switching according to a second embodiment of the present invention.
  • FIG. 4 is a flowchart of a method for implementing data transmission mode switching according to a third embodiment of the present invention.
  • FIG. 5 is a schematic structural diagram of an MME according to the present invention.
  • FIG. 6 is a schematic structural diagram of an MTC UE according to the present invention.
  • FIG. 7 is a schematic structural diagram of a system for implementing data transmission mode switching according to the present invention.
  • an embodiment of the present invention provides a method for implementing data transmission mode switching, including:
  • Step 100 The MME determines that the UE needs to switch the data transmission mode, and sends information indicating that the data transmission mode is switched to the UE.
  • the MME determines that the UE needs to switch the data transmission mode to include one of the following:
  • the MME determines, according to any one or more of the following, and the current data transmission mode, that the UE needs to switch the data transmission mode: the service type of the data to be sent, the current network load, the received RRC access reason from the UE, and the MME. Data information, received indication information from the base station, and the like.
  • the service type of sending data may be a service type sent by the UE or the MME or the base station.
  • the data information sent by the MME may be the amount of data sent by the MME, or the type of data sent by the MME.
  • the indication information may be load information or the like.
  • the UE generally includes an RRC access cause in sending an RRC access request to the MME.
  • the MME can determine which data transmission mode is used to transmit data in various different manners. For example, when the MME determines that the service type of the data transmitted by the UE is a big data service, or a service with high encryption requirements, or a heavy load on the current network, or a large amount of data sent by the MME, and the current data transmission mode is In the control plane mode, it is determined that the UE needs to switch the data transmission mode.
  • the MME determines that the service type of the data transmitted by the UE is a high-priority service, or a traditional LTE service transmission mode, or the received RRC access reason is an emergency access, or the amount of data sent by the MME is small.
  • the current data transmission mode is the user plane mode, it is determined that the UE needs to switch the data transmission mode.
  • the information that the MME sends to the UE indicating that the data transmission mode is switched includes one of the following:
  • the MME sends, by using the NAS downlink message, information indicating a handover data transmission manner to the UE;
  • the MME transmits information indicating a handover data transmission mode to the base station, and the base station transmits information indicating the handover data transmission mode to the UE.
  • the NAS downlink message is generally sent in the S1 downlink NAS transmission message.
  • the MME sends information indicating a handover data transmission manner to the base station by using an S1 interface message, and the base station sends the information indicating the handover data transmission manner to the UE by using an air interface message.
  • the S1 interface message is a UE text release message or an S1 interface paging message.
  • the air interface message is an air interface paging message or an RRC (Radio Resource Control) downlink message.
  • RRC Radio Resource Control
  • the RRC downlink message may be an RRC Connection Release (RRC Connection Release) message, or an RRC Suspend message, or an RRC Connection Reconfiguration Complete message, or an RRC Connection Setup (RRC Connection Setup). Complete) and so on.
  • RRC Connection Release RRC Connection Release
  • RRC Suspend RRC Suspend message
  • RRC Connection Reconfiguration Complete RRC Connection Setup
  • RRC Connection Setup RRC Connection Setup
  • the information indicating that the data transmission mode is switched is information indicating whether to perform the switching of the data transmission mode, or information indicating that the user plane mode or the control plane mode or the legacy long term evolution (LTE) service transmission mode is switched. .
  • LTE long term evolution
  • the information indicating whether to perform the switching of the data transmission mode or the information indicating the switching to the user plane mode or the control plane mode or the traditional LTE service transmission mode may be used. For example, 0 indicates information for switching the data transmission method, 1 indicates information for not switching the data transmission method, and 1 indicates information for switching to the user plane mode, and 2 indicates information for switching to the control plane method.
  • Step 101 The UE receives the information indicating the handover data transmission mode from the MME, and performs switching of the data transmission mode with the MME.
  • the switching between the MME and the UE in the data transmission mode includes:
  • the UE sends a de-attached Dettach request to the MME through the base station; the MME receives the Dettach request sent by the UE through the base station, sends a Dettach response to the UE through the base station, and deletes information related to the current data transmission mode; the UE receives the MME from the MME.
  • Base station The sent Dettach response is sent by the base station to the MME to send an Attach request; wherein, when the UE sends a Dettach request to the MME through the base station, or when the UE receives the Dettach response sent by the MME from the MME, the deleted data is deleted related to the current data transmission mode.
  • the MME receives the attached Attach request sent by the UE through the base station, selects the data transmission mode after the handover, sends an Attach response to the UE through the base station, and saves data related to the data transmission mode after the handover; the UE receives The Attach response from the MME transmitted by the base station stores information related to the data transmission mode after the handover in the Attach response.
  • the information related to the current data transmission mode includes NAS encryption information, and the like; when the current data transmission mode is the user plane mode, information related to the current data transmission mode. It includes S1 bearer information, Data Radio Bearer (DRB) bearer information, AS encryption information, and so on.
  • DRB Data Radio Bearer
  • the Attach request includes the data transmission mode supported by the UE, including the user plane mode and the control plane mode.
  • the Attach response includes the data transmission mode after the handover.
  • the UE After receiving the Attach response from the MME, the UE sends the uplink data to the MME by using the switched data transmission mode in the Attach response.
  • the foregoing UEs may be, but are not limited to, machine type communication (MTC) UEs.
  • MTC machine type communication
  • the MME when determining that the UE needs to switch the data transmission mode, the MME sends information indicating that the data transmission mode is switched to the UE to implement the switching of the data transmission mode, thereby improving the flexibility of data transmission.
  • the Fire MTC device supports the following four services:
  • the keepalive information is reported periodically, and there is no requirement for delay.
  • the data size is 0 to 20 bytes, and the reporting period is 10 minutes.
  • the fire alarm reports that the delay is less than or equal to 10 seconds (s), and the reported video information is 5M.
  • the fire alarm control room issues an order to the fire alarm MTC device, and the required delay is less than or equal to 10s, and the data size is 0-20 bytes.
  • the method includes:
  • Step 200 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • the Attach request includes the data transmission mode (including the user plane mode and the control plane mode) supported by the fire alarm MTC device.
  • Step 201 The MME selects a control plane mode, and sends an Attach response to the fire alarm MTC device by the base station.
  • the Attach response includes the control plane mode.
  • Step 202 The fire alarm MTC device receives the Attach response, and interacts with the MME to save information related to the control plane mode in the Attach response.
  • Step 203 The MME receives the RRC access request from the fire alarm MTC device, determines that the RRC access cause in the RRC access request is to transmit big data, and sends information indicating the switching data transmission mode to the MTC UE by using the NAS downlink message.
  • Step 204 The fire alarm MTC device sends a Dettach request to the MME through the base station.
  • Step 205 The MME sends a Dettach response to the fire alarm MTC device through the base station, and deletes information related to the control plane mode.
  • Step 206 The fire alarm MTC device receives the corresponding Dettach and deletes the information related to the control plane mode.
  • Step 207 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • Step 208 The MME selects a user plane mode, and sends an Attach response to the fire alarm MTC device by using the base station.
  • Step 209 The fire alarm MTC device receives the Attach response, and interacts with the MME to store information related to the user plane mode in the Attach response.
  • the method includes:
  • Step 300 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • the Attach request includes the data transmission mode (including the user plane mode and the control plane mode) supported by the fire alarm MTC device.
  • Step 301 The MME selects a user plane mode, and sends an Attach response to the fire alarm MTC device by using the base station.
  • the Attach response includes the user plane mode.
  • Step 302 The fire alarm MTC device receives the Attach response, and interacts with the MME to save information related to the user plane mode in the Attach response.
  • Step 303 The MME receives the RRC access request from the fire alarm MTC device, determines that the RRC access cause in the RRC access request is emergency access, and sends information indicating the handover data transmission mode to the base station through the S1 interface message, and the base station passes the The air interface message transmits information indicating a handover data transmission mode to the MTC UE.
  • Step 304 The fire alarm MTC device sends a Dettach request to the MME through the base station, and deletes information related to the user plane mode.
  • Step 305 The MME deletes information related to the control plane mode, and sends a Dettach response to the fire alarm MTC device through the base station.
  • Step 306 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • Step 307 The MME selects a control plane mode, and sends an Attach response to the fire alarm MTC device by the base station.
  • Step 308 The fire alarm MTC device receives the Attach response, and interacts with the MME to save information related to the control plane mode in the Attach response.
  • the method includes:
  • Step 400 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • the Attach request includes the data transmission mode (including the user plane mode and the control plane mode) supported by the fire alarm MTC device.
  • Step 401 The MME selects a control plane mode, and sends an Attach response to the fire alarm MTC device by using the base station.
  • the Attach response includes the control plane mode.
  • Step 402 The fire alarm MTC device receives the Attach response, and interacts with the MME to save information related to the control plane mode in the Attach response.
  • Step 403 The MME needs to send the latest software version to the fire alarm MTC device, and determine that the service type of the data to be transmitted is a big data service, and send information indicating a handover data transmission manner to the base station by using the paging message, and the base station sends the information to the MTC UE by using the paging message. Indicates the information for switching the data transmission method.
  • Step 404 The fire alarm MTC device sends a Dettach request to the MME through the base station.
  • Step 405 The MME sends a Dettach response to the fire alarm MTC device through the base station, and deletes information related to the control plane mode.
  • Step 406 The fire alarm MTC device receives the Dettach response sent by the MME through the base station, and deletes information related to the control plane mode.
  • Step 407 The fire alarm MTC device sends an Attach request to the MME through the base station.
  • Step 408 The MME selects a user plane mode, and sends an Attach response to the fire alarm MTC device by using the base station.
  • Step 409 The fire alarm MTC device receives the Attach response, and interacts with the MME to save information related to the user plane mode in the Attach response.
  • an embodiment of the present invention provides an MME, including at least:
  • the determining module is configured to determine that the user equipment UE needs to switch the data transmission manner, and send a first notification message to the processing module;
  • the first processing module is configured to receive the first notification message, send information indicating a handover data transmission manner to the base station or the UE, and perform handover of the data transmission manner with the UE.
  • the determining module is specifically configured to:
  • the transmitted data information, the received indication information from the base station, and the first notification message are sent to the processing module.
  • the first processing module is specifically configured to:
  • the first processing module is specifically configured to:
  • the first notification message is received, and the information indicating the switching data transmission mode is sent to the base station through the S1 interface message or the information indicating the switching data transmission mode is sent to the UE through the NAS downlink message, and the data transmission mode is switched with the UE.
  • an embodiment of the present invention further provides a UE, including at least:
  • An acquiring module configured to receive information indicating a switching data transmission manner from the MME, and send a second notification message to the second processing module;
  • the second processing module is configured to receive the second notification message, and perform switching of the data transmission mode with the MME.
  • the acquiring module is specifically configured as:
  • the second processing module is specifically configured to:
  • Receiving a second notification message sending, by the base station, a detaching Dettach request to the MME; receiving a Dettach response sent by the MME from the eNB, and transmitting, by the base station, an attaching Attach request to the MME; wherein, when the base station sends a Dettach request to the MME, or receives When the Dettach response sent by the MME from the base station is deleted, the saved information related to the current data transmission mode is deleted; the Attach response received by the MME from the base station is received, and the information related to the switched data transmission mode in the Attach response is saved. .
  • an embodiment of the present invention further provides a system for implementing data transmission mode switching, which at least includes:
  • the MME is configured to determine that the user equipment UE needs to switch the data transmission mode, and send information indicating that the data transmission mode is switched to the UE; and switch the data transmission mode with the UE;
  • the UE is configured to receive information indicating a handover data transmission mode from the MME, and perform handover of the data transmission mode with the MME.
  • the MME is specifically configured to:
  • the transmitted data information and the received indication information from the base station transmit information indicating the manner in which the data transmission is switched to the UE.
  • the MME is specifically configured to:
  • the UE needs to switch the data transmission mode, and the information indicating the handover data transmission mode is sent to the UE through the non-access stratum NAS downlink message; and the data transmission mode is switched with the UE.
  • the MME is specifically configured to:
  • the base station is configured to receive information indicating a handover data transmission mode from the MME, and transmit information indicating a handover data transmission mode to the UE.
  • the MME is specifically configured to:
  • Determining that the UE needs to switch the data transmission mode and transmitting, by using the S1 interface message, information indicating that the data transmission mode is switched to the base station; and switching the data transmission mode with the UE;
  • the base station is specifically set to:
  • the information indicating the handover data transmission mode from the MME is received, and the information indicating the handover data transmission mode is transmitted to the UE through the air interface message.
  • the MME is specifically configured to:
  • Determining that the UE needs to switch the data transmission mode sending information indicating the handover data transmission mode to the UE; receiving the de-attached Dettach request from the base station, transmitting the Dettach response to the base station, and deleting the information related to the current data transmission mode; Attaching an Attach request from the base station, selecting a data transmission mode after the handover, transmitting an Attach response to the base station, and storing data related to the switched data transmission mode;
  • the base station is configured to receive a Dettach request from the UE, send a Dettach request to the MME, receive a Dettach response from the MME, send a Dettach response to the UE, receive an Attach request from the UE, send an Attach request to the MME, and receive the MME from the MME.
  • the Attach response sending an Attach response to the UE;
  • the UE is specifically set to:
  • Receiving information indicating a handover data transmission manner from the MME transmitting a Dettach request to the base station, receiving a Dettach response from the base station, and transmitting an Attach request to the base station; wherein, when the base station sends a Dettach request to the MME, or receives a request from the MME
  • the Dettach response sent by the base station is deleted, the saved information related to the current data transmission mode is deleted; the Attach response from the base station is received, and information related to the switched data transmission mode in the Attach response is saved.
  • the foregoing UEs may be, but are not limited to, machine type communication (MTC) UEs.
  • MTC machine type communication
  • the method according to the above embodiment can be implemented by means of software plus a necessary general hardware platform, and of course, by hardware, but in many cases, the former is A better implementation.
  • the technical solution of the present invention which is essential or contributes to the prior art, may be embodied in the form of a software product stored in a storage medium (such as ROM/RAM, disk,
  • the optical disc includes a number of instructions for causing a terminal device (which may be a cell phone, a computer, a server, or a network device, etc.) to perform the methods described in various embodiments of the present invention.
  • Embodiments of the present invention also provide a storage medium.
  • the storage medium may be configured to store program code for performing the steps of the method for implementing the data transfer mode switching described above.
  • the foregoing storage medium may include, but not limited to, a USB flash drive, a Read-Only Memory (ROM), a Random Access Memory (RAM), a mobile hard disk, and a magnetic memory.
  • ROM Read-Only Memory
  • RAM Random Access Memory
  • a mobile hard disk e.g., a hard disk
  • magnetic memory e.g., a hard disk
  • modules or steps of the present invention described above can be implemented by a general-purpose computing device that can be centralized on a single computing device or distributed across a network of multiple computing devices. Alternatively, they may be implemented by program code executable by the computing device such that they may be stored in the storage device by the computing device and, in some cases, may be different from the order herein.
  • the steps shown or described are performed, or they are separately fabricated into individual integrated circuit modules, or a plurality of modules or steps thereof are fabricated as a single integrated circuit module.
  • the invention is not limited to any specific combination of hardware and software.
  • the method, device, and system for implementing the data transmission mode switching provided by the embodiment of the present invention have the following beneficial effects: when the MME determines that the UE needs to switch the data transmission mode, The UE sends information indicating that the data transmission mode is switched, so as to implement switching of the data transmission mode, thereby improving the flexibility of data transmission.

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Abstract

本发明实施例公开了一种实现数据传输方式切换的方法、装置和系统,包括:移动性管理单元MME判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;MME与UE进行数据传输方式的切换。通过本发明实施例的方案,MME在判断出UE需要切换数据传输方式时,向UE发送表示切换数据传输方式的信息,以实现数据传输方式的切换,从而提高数据传输的灵活性。

Description

一种实现数据传输方式切换的方法、装置和系统 技术领域
本发明实施例涉及机器类通信(MTC,Machine Type Communication)技术,尤指一种实现数据传输方式切换的方法、装置和系统。
背景技术
随着无线通信技术的迅猛发展和人们通信需求的日益增加,5G时代即将来临。5G的一个重要作用就是MTC,MTC拥有大规模的潜在应用前景,使其赢得大量移动网络运营商、设备制造商、研究机构的广泛关注。MTC主要应用领域包括智能电网、智能交通、智能家居、远程测量、无线传感器网络等。是新兴物联网的重要组成部分。
MTC用户设备(UE,User Equipment)支持的业务是多样的。大多数MTC UE要求低成本和低功耗,比如用于环境监测或者农业的大量传感器等。MTC UE支持的业务一般是低速率的,但也可能有需要传输大数据的情况。MTC UE支持的业务一般对时延要求不高,但也可能有紧急事件需要快速传输的情况。
例如,火警报警设备的业务有如下几种:
周期性上报保活信息,对时延要求低,数据量小到几十比特(Byte)或者更小;
上报火警信息,对时延要求比较高,数据量可能小到几十Byte,但也可能大到数兆(M),这是由于某些情况下可能需要上报视频信息;
软件版本更新,对时延要求比较低,数据量比较大,可能有数M。
由此可见,MTC UE支持的业务是多样的,包括周期性业务上报、异常事件上报、网络命令下发、软件版本更新等多种业务。不同业务对网络要求的服务质量(QoS,Quality of Service)也各不相同。另外,MTC UE可能会传输高速率的数据,例如便携式应用中,智能眼镜可能需要传输实 时视频数据;智能手表可能需要打电话,这种业务需要很高的QoS。
MTC UE的数量也可能是海量的,大量的MTC UE的接入可能给网络带来大量的信令开销。为了有效降低MTC UE的成本,也为了节省MME的信令开销,第三代合作伙伴计划(3GPP,3rd Generation Partnership Project)提出了实现数据传输的方法,该方法大致包括:
MTC UE向MME发送附着(Attach)请求;其中,Attach请求中包括MTC UE支持的数据传输方式;MME选择Attach请求中的一种数据传输方式,保存与选择的数据传输方式相关的信息,并向MTC UE发送Attach响应;其中,Attach响应中包括选择的数据传输方式;MTC UE保存与Attach响应中选择的数据传输方式相关的信息;当MTC UE或MME需要传输数据时,采用选择的数据传输方式传输数据。
其中,数据传输方式包括控制面方式或用户面方式。
其中,控制面方式是指将数据包打包成非接入层(NAS,Non-Access Stratum)协议数据单元(PDU,Protocol Data Unit)包含在控制面信令中传输。控制面方式的优势是节省信令、网络开销和MTC UE的耗电;劣势是安全性能稍差,这是由于控制面方式中没有建立数据无线承载(DRB,Data Radio Bearer),相应地,MME和UE均没有接入层(AS,Access Stratum)安全上下文,因此,无法对数据包进行AS层加密;不适合传输比较大的数据,这是由于NAS PDU的长度有限,对于比较大的数据包,需要分成多个小的数据包进行传输,而MTC UE的网络信号一般不好,容易产生丢包的现象,导致接收方难以接收完整的数据包,并且控制面方式采用控制面信令传输数据,过多的小包将带来过多的控制面信令的传输,占用过多的资源;低优先级数据业务占用过高的调度资源,这是由于MTC UE发送的周期性上报数据的优先级比较低,但是由于该数据在附着在空口层3信令中发送,从而获得了和常规无线资源控制协议(RRC,Radio Resource Control)信令一样的调度优先处理,从而会挤占真正的RRC信令的调度优先级,可能导致更高的空口接入失败;当MTC UE同时支持数据使用控 制面优化方式和使用数据无线承载(DRB,Data Radio Bearer)传输时,由于信令无线承载(SRB,Signaling Radio Bearers)的调度优先级总数比DRB高,因此,这些低优先级数据总是可以获得比DRB更高的调度优先处理,可能导致使用DRB传输的高优先级业务的调度得不到保障。
其中,用户面方式是指使用DRB传输数据,数据传输完毕后,MTC UE和MME分别保存承载信息上下文,接入层(AS,Access Stratum)安全上下文等,后续再次发送数据时,MTC UE和MME通过挂起—激活流程来恢复DRB承载的使用。用户面方式的优势是加密性能比较好,这是由于MTC UE和MME保存了AS安全上下文,MTC UE和MME可以对数据进行AS层加密;能够传输对速率要求高的数据或者大数据。劣势是信令优化效果差,这是由于需要先回复承载信息上下文,再传输数据;承载信息上下文维护开销比较大,存在MTC UE和MME之间保存的承载信息上下文不同的风险,这是由于MTC UE一般使用时间比较长,而MME一致处于变化中;MTC UE变更接入小区时需要迁移承载信息上下文和AS安全上下文等,开销较大。
目前的实现数据传输的方法中,当确定一种数据传输方式后便不再改变,而MTC UE需要传输的数据的要求各不相同,因此,数据传输的灵活性较低。
发明内容
本发明实施例提出了一种实现数据传输方式切换的方法、装置和系统,以至少能够提高数据传输的灵活性。
根据本发明的一个实施例,提出了一种实现数据传输方式切换的方法,包括:
移动性管理单元MME判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;
MME与UE进行数据传输方式的切换。
可选地,所述MME判断出UE需要切换数据传输方式包括以下之一:
所述MME根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息。
可选地,所述MME向UE发送表示切换数据传输方式的信息包括以下之一:
所述MME通过非接入层NAS下行消息向所述UE发送所述表示切换数据传输方式的信息;
或者,所述MME向基站发送所述表示切换数据传输方式的信息,所述基站向所述UE发送所述表示切换数据传输方式的信息。
可选地,所述MME通过S1接口消息向所述基站发送所述表示切换数据传输方式的信息,所述基站通过空口消息向所述UE发送所述表示切换数据传输方式的信息。
可选地,所述S1接口消息为UE文本释放消息、或S1接口寻呼消息。
可选地,所述空口消息为空口寻呼消息、或空口RRC下行消息。
可选地,所述表示切换数据传输方式的信息为表示是否进行数据传输方式的切换的信息,或表示切换为用户面方式或控制面方式的信息。
可选地,所述MME与UE进行数据传输方式的切换包括:
所述MME接收到来自所述UE通过所述基站发送的去附着Dettach请求,通过基站向所述UE发送Dettach响应,并删除与当前的数据传输方式相关的信息;
所述MME接收到来自所述UE通过所述基站发送的附着Attach请求,选择切换后的数据传输方式,通过所述基站向所述UE发送Attach响应,并保存与所述切换后的数据传输方式相关的数据。
根据本发明的一个实施例,还提出了一种实现数据传输方式切换的方 法,包括:
用户设备UE接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
可选地,所述UE接收到来自MME的表示切换数据传输方式的信息包括以下之一:
所述UE接收到来自所述MME的通过非接入层NAS下行消息发送的表示切换数据传输方式的信息;
或所述UE接收到来自所述MME通过基站发送的表示切换数据传输方式的信息。
可选地,所述表示切换数据传输方式的信息为表示是否进行数据传输方式的切换的信息、或表示切换为用户面方式或控制面方式的信息。
可选地,所述与MME进行数据传输方式的切换包括:
所述UE通过基站向所述MME发送去附着Dettach请求;
所述UE接收到来自所述MME通过基站发送的Dettach响应,通过基站向所述MME发送附着Attach请求;其中,所述UE通过所述基站向所述MME发送所述Dettach请求时,或所述UE接收到来自所述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;
所述UE接收到来自所述MME通过基站发送的Attach响应,保存与所述Attach响应中的切换后的数据传输方式相关的信息。
根据本发明的另一实施例,还提出了一种移动性管理单元MME,至少包括:
判断模块,设置为判断出用户设备UE需要切换数据传输方式,向处理模块发送第一通知消息;
第一处理模块,设置为接收到第一通知消息,向基站或所述UE发送表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
可选地,所述判断模块具体设置为:
根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息,向所述处理模块发送所述第一通知消息。
可选地,所述第一处理模块具体设置为:
接收到所述第一通知消息,向所述基站或所述UE发送表示切换数据传输方式的信息;
接收到来自所述基站的去附着Dettach请求,向所述基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自所述基站的附着Attach请求,选择切换后的数据传输方式,向所述基站发送Attach响应,并保存与切换后的数据传输方式相关的数据。
可选地,所述第一处理模块具体设置为:
接收到所述第一通知消息,通过S1接口消息向所述基站发送表示切换数据传输方式的信息或通过非接入层NAS下行消息向所述UE发送所述表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
根据本发明的另一实施例,还提出了一种用户设备UE,至少包括:
获取模块,设置为接收到来自MME的表示切换数据传输方式的信息,向第二处理模块发送第二通知消息;
第二处理模块,设置为接收到第二通知消息,与MME进行数据传输方式的切换。
可选地,所述获取模块具体设置为:
接收到来自所述MME的通过非接入层NAS下行消息发送的表示切换数据传输方式的信息或接收到来自所述MME通过基站发送的表示切换数据传输方式的信息,向所述第二处理模块发送所述第二通知消息。
可选地,所述第二处理模块具体设置为:
接收到所述第二通知消息,通过基站向所述MME发送去附着Dettach请求;接收到来自所述MME通过基站发送的Dettach响应,通过基站向所述MME发送附着Attach请求;其中,通过所述基站向所述MME发送所述Dettach请求时,或接收到来自所述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自所述MME通过基站发送的Attach响应,保存与所述Attach响应中的切换后的数据传输方式相关的信息。
根据本发明的再一实施例,还提出了一种实现数据传输方式切换的系统,至少包括:
移动性管理单元MME,设置为判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
UE,设置为接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
可选地,所述MME具体设置为:
根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息,向UE发送表示切换数据传输方式的信息。
可选地,所述MME具体设置为:
判断出所述UE需要切换数据传输方式,通过非接入层NAS下行消息向所述UE发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换。
可选地,所述MME具体设置为:
判断出所述UE需要切换数据传输方式,向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
还包括:
基站,设置为接收到来自所述MME的表示切换数据传输方式的信息,向所述UE发送所述表示切换数据传输方式的信息。
可选地,所述MME具体设置为:
判断出所述UE需要切换数据传输方式,通过S1接口消息向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
所述基站具体设置为:
接收到来自所述MME的表示切换数据传输方式的信息,通过空口消息向所述UE发送所述表示切换数据传输方式的信息。
可选地,所述MME具体设置为:
判断出所述UE需要切换数据传输方式,向所述UE发送表示切换数据传输方式的信息;接收到来自基站的去附着Dettach请求,向所述基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自所述基站的附着Attach请求,选择切换后的数据传输方式,向所述基站发送Attach响应,并保存与所述切换后的数据传输方式相关的数据;
还包括:
基站,设置为接收到来自所述UE的Dettach请求,向所述MME发送Dettach请求;接收到来自所述MME的Dettach响应,向所述UE发送Dettach响应;接收到来自所述UE的Attach请求,向所述MME发送Attach请求;接收到来自所述MME的Attach响应,向所述UE发送Attach响应;
所述UE具体设置为:
接收到来自所述MME的表示切换数据传输方式的信息,向所述基站发送Dettach请求;接收到来自所述基站的Dettach响应,向所述基站发送Attach请求;其中,通过所述基站向所述MME发送所述Dettach请求时,或接收到来自所述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自所述基站的Attach响应, 保存与所述Attach响应中的切换后的数据传输方式相关的信息。
根据本发明的还一实施例,提供了一种存储介质,该存储介质设置为存储用于执行上述的实现数据传输方式切换的方法的程序代码。
与相关技术相比,本发明实施例的技术方案包括:MME判断出UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;MME与UE进行数据传输方式的切换。通过本发明实施例的方案,MME在判断出UE需要切换数据传输方式时,向UE发送表示切换数据传输方式的信息,以实现数据传输方式的切换,从而提高数据传输的灵活性。
附图说明
此处所说明的附图用来提供对本发明的进一步理解,构成本申请的一部分,本发明的示意性实施例及其说明用于解释本发明,并不构成对本发明的不当限定。在附图中:
图1为本发明实现数据传输方式切换的方法的流程图;
图2为本发明第一实施例实现数据传输方式切换的方法的流程图;
图3为本发明第二实施例实现数据传输方式切换的方法的流程图;
图4为本发明第三实施例实现数据传输方式切换的方法的流程图;
图5为本发明MME的结构组成示意图;
图6为本发明MTC UE的结构组成示意图;
图7为本发明实现数据传输方式切换的系统的结构组成示意图。
具体实施方式
下文中将参考附图并结合实施例来详细说明本发明。需要说明的是,在不冲突的情况下,本申请中的实施例及实施例中的特征可以相互组合。
需要说明的是,本发明的说明书和权利要求书及上述附图中的术语“第一”、“第二”等是用于区别类似的对象,而不必用于描述特定的顺序或先后次序。
参见图1,本发明实施例提出了一种实现数据传输方式切换的方法,包括:
步骤100、MME判断出UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息。
其中,MME判断出UE需要切换数据传输方式包括以下之一:
MME根据以下的任意一个或多个和当前的数据传输方式判断出UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自UE的RRC接入原因、MME下发的数据信息、接收到的来自基站的指示信息等。
其中,发送数据的业务类型可以是UE或MME或基站发送的业务类型。
其中,MME下发的数据信息可以是MME下发的数据量大小、或MME下发的数据类型等。
其中,指示信息可以是负荷信息等。
其中,UE一般在向MME发送RRC接入请求中包含RRC接入原因。
其中,MME可以采用各种不同的方式来确定采用哪种数据传输方式来传输数据。例如,当MME判断出UE发送数据的业务类型为大数据业务、或对加密要求高的业务、或当前网络的负荷较重、或MME下发的数据量较大,且当前的数据传输方式为控制面方式时,判断出UE需要切换数据传输方式。
又如,当MME判断出UE发送数据的业务类型为高优先级的业务、或传统LTE业务传输方式、或接收到的RRC接入原因为紧急接入、或MME下发的数据量较小,且当前的数据传输方式为用户面方式时,判断出UE需要切换数据传输方式。
其中,MME向UE发送表示切换数据传输方式的信息包括以下之一:
MME通过NAS下行消息向UE发送表示切换数据传输方式的信息;
或者,MME向基站发送表示切换数据传输方式的信息,基站向UE发送表示切换数据传输方式的信息。
其中,NAS下行消息一般承载于S1下行NAS传输消息中发送。
其中,MME通过S1接口消息向基站发送表示切换数据传输方式的信息,基站通过空口消息向UE发送所述表示切换数据传输方式的信息。
其中,S1接口消息为UE文本释放消息、或S1接口寻呼消息。
其中,空口消息为或空口寻呼消息、或空口无线资源控制(RRC,Radio Resource Control)下行消息。
其中,RRC下行消息可以是RRC连接释放(RRC Connection Release)消息、或RRC挂起(RRC Suspend)消息、或RRC连接重配置完成(RRC Connection Reconfiguration Complete)消息、或RRC连接建立完成(RRC Connection Setup Complete)等。
本步骤中,表示切换数据传输方式的信息为表示是否进行数据传输方式的切换的信息、或表示切换为用户面方式或控制面方式或传统长期演进(LTE,Long Term Evolved)业务传输方式的信息。
其中,可以用数值为字母表示是否进行数据传输方式的切换的信息或表示切换为用户面方式或控制面方式或传统LTE业务传输方式的信息。例如,采用0表示进行数据传输方式的切换的信息,采用1表示不进行数据传输方式的切换的信息等,采用1表示切换为用户面方式的信息,采用2表示切换为控制面方式的信息。
步骤101、UE接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
本步骤中,MME与UE进行数据传输方式的切换包括:
UE通过基站向MME发送去附着Dettach请求;MME接收到来自UE通过所述基站发送的Dettach请求,通过基站向UE发送Dettach响应,并删除与当前的数据传输方式相关的信息;UE接收到来自MME通过基站 发送的Dettach响应,通过基站向MME发送附着Attach请求;其中,UE通过基站向MME发送Dettach请求时,或UE接收到来自MME通过基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;MME接收到来自UE通过基站发送的附着Attach请求,选择切换后的数据传输方式,通过基站向所述UE发送Attach响应,并保存与切换后的数据传输方式相关的数据;UE接收到来自MME通过基站发送的Attach响应,保存与Attach响应中的切换后的数据传输方式相关的信息。
其中,当当前的数据传输方式为控制面方式时,与当前的数据传输方式相关的信息包括NAS加密信息等;当当前的数据传输方式为用户面方式时,与当前的数据传输方式相关的信息包括S1承载信息、数据无线承载(DRB,Data Radio Bearer)承载信息、AS加密信息等。
其中,Attach请求包括UE支持的数据传输方式,包括用户面方式和控制面方式。
其中,Attach响应包括切换后的数据传输方式。
其中,UE接收到来自MME的Attach响应后,采用Attach响应中的切换后的数据传输方式向MME发送上行数据。
作为一种可选的实现方式,上述UE均可以是但不限于机器类通信(MTC)UE。
通过本发明实施例的方案,MME在判断出UE需要切换数据传输方式时,向UE发送表示切换数据传输方式的信息,以实现数据传输方式的切换,从而提高数据传输的灵活性。
下面通过具体实施例,以上述UE是MTC UE为例,详细说明本发明实施例的方法。
例如,火警MTC设备支持如下四种业务:
1、周期性上报保活信息,对时延无要求,数据大小为0~20Byte,上报周期为10分钟。
2、火警上报信息,要求时延小于或等于10秒(s),上报的视频信息的大小为5M。
3、火警控制室下发命令给火警MTC设备,要求时延小于或等于10s,数据大小为0~20Byte。
4、软件版本更新,对时延无要求,数据大小为2000Byte。
第一实施例,参见图2,该方法包括:
步骤200、火警MTC设备通过基站向MME发送Attach请求。
本步骤中,Attach请求包括火警MTC设备支持的数据传输方式(包括用户面方式和控制面方式)。
步骤201、MME选择控制面方式,通过基站向火警MTC设备发送Attach响应。
本步骤中,Attach响应包括控制面方式。
步骤202、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的控制面方式相关的信息。
步骤203、MME接收到来自火警MTC设备的RRC接入请求,判断出RRC接入请求中的RRC接入原因为传输大数据,通过NAS下行消息向MTC UE发送表示切换数据传输方式的信息。
步骤204、火警MTC设备通过基站向MME发送Dettach请求。
步骤205、MME通过基站向火警MTC设备发送Dettach响应,并删除与控制面方式相关的信息。
步骤206、火警MTC设备接收到Dettach相应,删除与控制面方式相关的信息。
步骤207、火警MTC设备通过基站向MME发送Attach请求。
步骤208、MME选择用户面方式,通过基站向火警MTC设备发送Attach响应。
步骤209、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的用户面方式相关的信息。
第二实施例,参见图3,该方法包括:
步骤300、火警MTC设备通过基站向MME发送Attach请求。
本步骤中,Attach请求包括火警MTC设备支持的数据传输方式(包括用户面方式和控制面方式)。
步骤301、MME选择用户面方式,通过基站向火警MTC设备发送Attach响应。
本步骤中,Attach响应包括用户面方式。
步骤302、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的用户面方式相关的信息。
步骤303、MME接收到来自火警MTC设备的RRC接入请求,判断出RRC接入请求中的RRC接入原因为紧急接入,通过S1接口消息向基站发送表示切换数据传输方式的信息,基站通过空口消息向MTC UE发送表示切换数据传输方式的信息。
步骤304、火警MTC设备通过基站向MME发送Dettach请求,并删除与用户面方式相关的信息。
步骤305、MME删除与控制面方式相关的信息,并通过基站向火警MTC设备发送Dettach响应。
步骤306、火警MTC设备通过基站向MME发送Attach请求。
步骤307、MME选择控制面方式,通过基站向火警MTC设备发送Attach响应。
步骤308、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的控制面方式相关的信息。
第三实施例,参见图4,该方法包括:
步骤400、火警MTC设备通过基站向MME发送Attach请求。
本步骤中,Attach请求包括火警MTC设备支持的数据传输方式(包括用户面方式和控制面方式)。
步骤401、MME选择控制面方式,通过基站向火警MTC设备发送Attach响应。
本步骤中,Attach响应包括控制面方式。
步骤402、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的控制面方式相关的信息。
步骤403、MME需要向火警MTC设备发送最新软件版本,判断出发送数据的业务类型为大数据业务,通过寻呼消息向基站发送表示切换数据传输方式的信息,基站通过寻呼消息向MTC UE发送表示切换数据传输方式的信息。
步骤404、火警MTC设备通过基站向MME发送Dettach请求。
步骤405、MME通过基站向火警MTC设备发送Dettach响应,并删除与控制面方式相关的信息。
步骤406、火警MTC设备接收到来自MME通过基站发送的Dettach响应,删除与控制面方式相关的信息。
步骤407、火警MTC设备通过基站向MME发送Attach请求。
步骤408、MME选择用户面方式,通过基站向火警MTC设备发送Attach响应。
步骤409、火警MTC设备接收到Attach响应,与MME进行交互保存与Attach响应中的用户面方式相关的信息。
参见图5,本发明实施例提出了一种MME,至少包括:
判断模块,设置为判断出用户设备UE需要切换数据传输方式,向处理模块发送第一通知消息;
第一处理模块,设置为接收到第一通知消息,向基站或UE发送表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
本发明实施例的MME中,判断模块具体设置为:
根据以下的任意一个或多个和当前的数据传输方式判断出UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自UE的无线资源控制RRC接入原因、MME下发的数据信息、接收到的来自基站的指示信息,向处理模块发送第一通知消息。
本发明实施例的MME中,第一处理模块具体设置为:
接收到第一通知消息,向基站或UE发送表示切换数据传输方式的信息;
接收到来自基站的去附着Dettach请求,向基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自基站的附着Attach请求,选择切换后的数据传输方式,向基站发送Attach响应,并保存与切换后的数据传输方式相关的数据。
本发明实施例的MME中,第一处理模块具体设置为:
接收到第一通知消息,通过S1接口消息向基站发送表示切换数据传输方式的信息或通过NAS下行消息向UE发送表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
参见图6,本发明实施例还提出了一种UE,至少包括:
获取模块,设置为接收到来自MME的表示切换数据传输方式的信息,向第二处理模块发送第二通知消息;
第二处理模块,设置为接收到第二通知消息,与MME进行数据传输方式的切换。
本发明实施例的UE中,获取模块具体设置为:
接收到来自MME的通过NAS下行消息发送的表示切换数据传输方式的信息或接收到来自MME通过基站发送的表示切换数据传输方式的信息,向第二处理模块发送第二通知消息。
本发明实施例的UE中,第二处理模块具体设置为:
接收到第二通知消息,通过基站向MME发送去附着Dettach请求;接收到来自MME通过基站发送的Dettach响应,通过基站向MME发送附着Attach请求;其中,通过基站向MME发送Dettach请求时,或接收到来自MME通过基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自MME通过基站发送的Attach响应,保存与Attach响应中的切换后的数据传输方式相关的信息。
参见图7,本发明实施例还提出了一种实现数据传输方式切换的系统,至少包括:
MME,设置为判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
UE,设置为接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
本发明实施例的系统中,MME具体设置为:
根据以下的任意一个或多个和当前的数据传输方式判断出UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自UE的无线资源控制RRC接入原因、MME下发的数据信息、接收到的来自基站的指示信息,向UE发送表示切换数据传输方式的信息。
本发明实施例的系统中,MME具体设置为:
判断出UE需要切换数据传输方式,通过非接入层NAS下行消息向UE发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换。
本发明实施例的系统中,MME具体设置为:
判断出UE需要切换数据传输方式,向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
还包括:
基站,设置为接收到来自MME的表示切换数据传输方式的信息,向UE发送表示切换数据传输方式的信息。
本发明实施例的系统中,MME具体设置为:
判断出UE需要切换数据传输方式,通过S1接口消息向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
基站具体设置为:
接收到来自MME的表示切换数据传输方式的信息,通过空口消息向UE发送表示切换数据传输方式的信息。
本发明实施例的系统中,MME具体设置为:
判断出UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;接收到来自基站的去附着Dettach请求,向基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自基站的附着Attach请求,选择切换后的数据传输方式,向基站发送Attach响应,并保存与切换后的数据传输方式相关的数据;
还包括:
基站,设置为接收到来自UE的Dettach请求,向MME发送Dettach请求;接收到来自MME的Dettach响应,向UE发送Dettach响应;接收到来自UE的Attach请求,向MME发送Attach请求;接收到来自MME的Attach响应,向UE发送Attach响应;
UE具体设置为:
接收到来自MME的表示切换数据传输方式的信息,向基站发送Dettach请求;接收到来自基站的Dettach响应,向基站发送Attach请求;其中,通过基站向MME发送Dettach请求时,或接收到来自MME通过基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自基站的Attach响应,保存与Attach响应中的切换后的数据传输方式相关的信息。
作为一种可选的实现方式,上述UE均可以是但不限于机器类通信(MTC)UE。
通过以上的实施方式的描述,本领域的技术人员可以清楚地了解到根据上述实施例的方法可借助软件加必需的通用硬件平台的方式来实现,当然也可以通过硬件,但很多情况下前者是更佳的实施方式。基于这样的理解,本发明的技术方案本质上或者说对现有技术做出贡献的部分可以以软件产品的形式体现出来,该计算机软件产品存储在一个存储介质(如ROM/RAM、磁碟、光盘)中,包括若干指令用以使得一台终端设备(可以是手机,计算机,服务器,或者网络设备等)执行本发明各个实施例所述的方法。
本发明的实施例还提供了一种存储介质。可选地,在本实施例中,上述存储介质可以被设置为存储用于执行上述实现数据传输方式切换的方法的步骤的程序代码。
可选地,在本实施例中,上述存储介质可以包括但不限于:U盘、只读存储器(ROM,Read-Only Memory)、随机存取存储器(RAM,Random Access Memory)、移动硬盘、磁碟或者光盘等各种可以存储程序代码的介质。
可选地,本实施例中的具体示例可以参考上述实施例及可选实施方式中所描述的示例,本实施例在此不再赘述。
显然,本领域的技术人员应该明白,上述的本发明的各模块或各步骤可以用通用的计算装置来实现,它们可以集中在单个的计算装置上,或者分布在多个计算装置所组成的网络上,可选地,它们可以用计算装置可执行的程序代码来实现,从而,可以将它们存储在存储装置中由计算装置来执行,并且在某些情况下,可以以不同于此处的顺序执行所示出或描述的步骤,或者将它们分别制作成各个集成电路模块,或者将它们中的多个模块或步骤制作成单个集成电路模块来实现。这样,本发明不限制于任何特定的硬件和软件结合。
以上所述仅为本发明的优选实施例而已,并不用于限制本发明,对于本领域的技术人员来说,本发明可以有各种更改和变化。凡在本发明的精 神和原则之内,所作的任何修改、等同替换、改进等,均应包含在本发明的保护范围之内。
工业实用性
如上所述,本发明实施例提供的一种实现数据传输方式切换的方法、装置和系统,具有以下有益效果:通过本发明实施例的方案,MME在判断出UE需要切换数据传输方式时,向UE发送表示切换数据传输方式的信息,以实现数据传输方式的切换,从而提高数据传输的灵活性。

Claims (26)

  1. 一种实现数据传输方式切换的方法,包括:
    移动性管理单元MME判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;
    MME与UE进行数据传输方式的切换。
  2. 根据权利要求1所述的方法,其中,所述MME判断出UE需要切换数据传输方式包括以下之一:
    所述MME根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息。
  3. 根据权利要求1所述的方法,其中,所述MME向UE发送表示切换数据传输方式的信息包括以下之一:
    所述MME通过非接入层NAS下行消息向所述UE发送所述表示切换数据传输方式的信息;
    或者,所述MME向基站发送所述表示切换数据传输方式的信息,所述基站向所述UE发送所述表示切换数据传输方式的信息。
  4. 根据权利要求3所述的方法,其中,所述MME通过S1接口消息向所述基站发送所述表示切换数据传输方式的信息,所述基站通过空口消息向所述UE发送所述表示切换数据传输方式的信息。
  5. 根据权利要求4所述的方法,其中,所述S1接口消息为UE文本释放消息、或S1接口寻呼消息。
  6. 根据权利要求4所述的方法,其中,所述空口消息为空口寻呼消息、或空口RRC下行消息。
  7. 根据权利要求1所述的方法,其中,所述表示切换数据传输方式的信息为表示是否进行数据传输方式的切换的信息,或表示切换为用户面方式或控制面方式的信息。
  8. 根据权利要求1所述的方法,其中,所述MME与UE进行数据传输方式的切换包括:
    所述MME接收到来自所述UE通过基站发送的去附着Dettach请求,通过所述基站向所述UE发送Dettach响应,并删除与当前的数据传输方式相关的信息;
    所述MME接收到来自所述UE通过所述基站发送的附着Attach请求,选择切换后的数据传输方式,通过所述基站向所述UE发送Attach响应,并保存与所述切换后的数据传输方式相关的数据。
  9. 一种实现数据传输方式切换的方法,包括:
    用户设备UE接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
  10. 根据权利要求9所述的方法,其中,所述UE接收到来自MME的表示切换数据传输方式的信息包括以下之一:
    所述UE接收到来自所述MME的通过非接入层NAS下行消息发送的表示切换数据传输方式的信息;
    或所述UE接收到来自所述MME通过基站发送的表示切换数据传输方式的信息。
  11. 根据权利要求10所述的方法,其中,所述表示切换数据传输方式的信息为表示是否进行数据传输方式的切换的信息、或表示切换为用户面方式或控制面方式的信息。
  12. 根据权利要求10所述的方法,其中,所述与MME进行数据传输方式的切换包括:
    所述UE通过基站向所述MME发送去附着Dettach请求;
    所述UE接收到来自所述MME通过基站发送的Dettach响应,通过基站向所述MME发送附着Attach请求;其中,所述UE通过所述基站向所述MME发送所述Dettach请求时,或所述UE接收到来自所 述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;
    所述UE接收到来自所述MME通过基站发送的Attach响应,保存与所述Attach响应中的切换后的数据传输方式相关的信息。
  13. 一种移动性管理单元MME,至少包括:
    判断模块,设置为判断出用户设备UE需要切换数据传输方式,向处理模块发送第一通知消息;
    第一处理模块,设置为接收到第一通知消息,向基站或所述UE发送表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
  14. 根据权利要求13所述的MME,其中,所述判断模块具体设置为:
    根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息,向所述处理模块发送所述第一通知消息。
  15. 根据权利要求13所述的MME,其中,所述第一处理模块具体设置为:
    接收到所述第一通知消息,向所述基站或所述UE发送表示切换数据传输方式的信息;
    接收到来自所述基站的去附着Dettach请求,向所述基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自所述基站的附着Attach请求,选择切换后的数据传输方式,向所述基站发送Attach响应,并保存与切换后的数据传输方式相关的数据。
  16. 根据权利要求13所述的MME,其中,所述第一处理模块具体设置为:
    接收到所述第一通知消息,通过S1接口消息向所述基站发送表示切换数据传输方式的信息或通过非接入层NAS下行消息向所述UE发送所述表示切换数据传输方式的信息,与UE进行数据传输方式的切换。
  17. 一种用户设备UE,至少包括:
    获取模块,设置为接收到来自MME的表示切换数据传输方式的信息,向第二处理模块发送第二通知消息;
    第二处理模块,设置为接收到第二通知消息,与MME进行数据传输方式的切换。
  18. 根据权利要求17所述的UE,其中,所述获取模块具体设置为:
    接收到来自所述MME的通过非接入层NAS下行消息发送的表示切换数据传输方式的信息或接收到来自所述MME通过基站发送的表示切换数据传输方式的信息,向所述第二处理模块发送所述第二通知消息。
  19. 根据权利要求17所述的UE,其中,所述第二处理模块具体设置为:
    接收到所述第二通知消息,通过基站向所述MME发送去附着Dettach请求;接收到来自所述MME通过基站发送的Dettach响应,通过基站向所述MME发送附着Attach请求;其中,通过所述基站向所述MME发送所述Dettach请求时,或接收到来自所述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自所述MME通过基站发送的Attach响应,保存与所述Attach响应中的切换后的数据传输方式相关的信息。
  20. 一种实现数据传输方式切换的系统,至少包括:
    移动性管理单元MME,设置为判断出用户设备UE需要切换数据传输方式,向UE发送表示切换数据传输方式的信息;与UE进行数据 传输方式的切换;
    UE,设置为接收到来自MME的表示切换数据传输方式的信息,与MME进行数据传输方式的切换。
  21. 根据权利要求20所述的系统,其中,所述MME具体设置为:
    根据以下的任意一个或多个和当前的数据传输方式判断出所述UE需要切换数据传输方式:发送数据的业务类型、当前网络的负荷、接收到的来自所述UE的无线资源控制RRC接入原因、所述MME下发的数据信息、接收到的来自基站的指示信息,向UE发送表示切换数据传输方式的信息。
  22. 根据权利要求20所述的系统,其中,所述MME具体设置为:
    判断出所述UE需要切换数据传输方式,通过非接入层NAS下行消息向所述UE发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换。
  23. 根据权利要求20所述的系统,其中,所述MME具体设置为:
    判断出所述UE需要切换数据传输方式,向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
    还包括:
    基站,设置为接收到来自所述MME的表示切换数据传输方式的信息,向所述UE发送所述表示切换数据传输方式的信息。
  24. 根据权利要求23所述的系统,其中,所述MME具体设置为:
    判断出所述UE需要切换数据传输方式,通过S1接口消息向基站发送表示切换数据传输方式的信息;与UE进行数据传输方式的切换;
    所述基站具体设置为:
    接收到来自所述MME的表示切换数据传输方式的信息,通过空口消息向所述UE发送所述表示切换数据传输方式的信息。
  25. 根据权利要求20所述的系统,其中,所述MME具体设置为:
    判断出所述UE需要切换数据传输方式,向所述UE发送表示切换数据传输方式的信息;接收到来自基站的去附着Dettach请求,向所述基站发送Dettach响应,并删除与当前的数据传输方式相关的信息;接收到来自所述基站的附着Attach请求,选择切换后的数据传输方式,向所述基站发送Attach响应,并保存与所述切换后的数据传输方式相关的数据;
    还包括:
    基站,设置为接收到来自所述UE的Dettach请求,向所述MME发送Dettach请求;接收到来自所述MME的Dettach响应,向所述UE发送Dettach响应;接收到来自所述UE的Attach请求,向所述MME发送Attach请求;接收到来自所述MME的Attach响应,向所述UE发送Attach响应;
    所述UE具体设置为:
    接收到来自所述MME的表示切换数据传输方式的信息,向所述基站发送Dettach请求;接收到来自所述基站的Dettach响应,向所述基站发送Attach请求;其中,通过所述基站向所述MME发送所述Dettach请求时,或接收到来自所述MME通过所述基站发送的Dettach响应时,删除保存的与当前的数据传输方式相关的信息;接收到来自所述基站的Attach响应,保存与所述Attach响应中的切换后的数据传输方式相关的信息。
  26. 一种存储介质,设置为存储用于执行如权利要求1至12中任一项所述的实现数据传输方式切换的方法的计算机程序。
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