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WO2016119441A1 - Procédé et appareil de migration de service - Google Patents

Procédé et appareil de migration de service Download PDF

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Publication number
WO2016119441A1
WO2016119441A1 PCT/CN2015/087086 CN2015087086W WO2016119441A1 WO 2016119441 A1 WO2016119441 A1 WO 2016119441A1 CN 2015087086 W CN2015087086 W CN 2015087086W WO 2016119441 A1 WO2016119441 A1 WO 2016119441A1
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Prior art keywords
network
terminal
service
indication message
message
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PCT/CN2015/087086
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English (en)
Chinese (zh)
Inventor
贺美芳
黄河
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ZTE Corp
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ZTE Corp
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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/16—Performing reselection for specific purposes
    • H04W36/22—Performing reselection for specific purposes for handling the traffic

Definitions

  • the present invention relates to the field of communications, and in particular to a service migration method and apparatus.
  • LTE Long Term Evolution
  • LTE Advanced enhanced LTE
  • WLAN wireless local area network
  • IEEE 802.11 the Institute of Electrical and Electronics Engineers 802.11 standard
  • the technical specifications proposed by the Wi-Fi Alliance are the most widely used. Therefore, the WiFi network is often equated with the WLAN network based on the IEEE 802.11 standard. In the case of no confusion, the following WiFi module is also used. To describe the WLAN-enabled wireless transceiver and processing module in the network node.
  • the 3GPP SA2 adopts the Access Network Discovery and Selection Functions (ANDSF) scheme, and provides a mode for selecting a target access network for the terminal according to the operator policy.
  • ANDSF Access Network Discovery and Selection Functions
  • the 3GPP R10 defines the ANDSF standard.
  • the ANDSF acts as an access anchor to implement intelligent network selection. Through the interaction between the network and the terminal, the network access is effectively offloaded, which is in line with the future multi-network coordinated operation direction.
  • the ANDSF formulates policies based on information such as network load, terminal capabilities, and user subscriptions to help end users select the best access network standard and implement coordinated operation of multiple access modes.
  • ANDSF can be deployed separately or in combination with other network elements. At present, the mainstream view of the industry is that the ANDSF can be deployed on a Policy Control and Charging (PCC) device.
  • PCC Policy Control and Charging
  • ANDSF is a WLAN interworking scheme based on the core network, and does not consider the impact on the access network. In addition, because the ANDSF is a relatively static scheme, it can not adapt to the dynamic changes of network load and channel quality.
  • the 3GPP access network group also conducted a WLAN interworking discussion. In R12 WLAN/3GPP wireless interoperation, a mechanism for performing WLAN offloading rules and triggering is introduced.
  • the core network mechanism and the auxiliary information mechanism from the radio access network cannot provide the network side with real-time use of load and channel conditions to consolidate the use of radio resources.
  • data from the same bearer cannot be served on both 3GPP and WLAN links. Therefore, the need for WLAN integration with 3GPP networks was reintroduced at the RAN65 subliminal.
  • the WLAN of the Radio Access Network is integrated with the 3GPP network.
  • the WLAN and the 3GPP network are closely coupled, similar to carrier aggregation. And dual connectivity, providing better control and utilization of resources for the dual system for the overall system.
  • Tight integration and aggregation at the wireless layer allows more real-time joint scheduling of WLAN and radio resources of the 3GPP network, thus improving user quality of service (QoS) and overall system capacity.
  • QoS quality of service
  • each link scheduling decision can be made to the level of each packet.
  • the user plane is anchored to a reliable LTE network and can be improved by rolling back to the LTE network.
  • the WLAN and 3GPP network tightly coupled can be applied to the co-location scenario (the RAN layer integration operation is performed between the enb and the Access Point (AP) through the internal interface) and the non-same collaboration scenario (between the enb and the AP)
  • the RAN layer integration operation is completed through an external interface, which is essentially similar to 3gpp carrier aggregation and dual connectivity, respectively.
  • the same-ground cooperation method is applied to the WLAN and the 3GPP integrated base station site as shown in FIG. 1.
  • FIG. 1 is a schematic diagram of the same-cooperative cooperation of the WLAN and the 3GPP network in the related art, or the WLAN and the 3GPP network connected by the ideal loop. 2, FIG.
  • FIG. 2 is a schematic diagram of the co-local cooperation of the WLAN and the 3GPP network in the related art.
  • the non-co-location cooperation scheme is applied to the scenario of the independent WLAN AP layout in most cases, as shown in FIG. 3,
  • FIG. 3 is a schematic diagram of a non-co-located cooperation of a WLAN and a 3GPP network in a related art.
  • wlan offloading schemes There are four types of wlan offloading schemes that are closely coupled to the WLAN and the 3GPP network: the Packet Data Convergence Protocol (PDCP) layer splitting, the PDCP layer shunting of the dual connectivity architecture, and the radio link control (Radio Link Control). , referred to as RLC) layer shunting, media access control (Media Access Control, MAC for short) layer shunt.
  • PDCP Packet Data Convergence Protocol
  • RLC Radio Link Control
  • media access control Media Access Control
  • the simplified architecture PDCP layer is offloaded, and the WLAN offload of the downlink data stream is completed in the PDCP layer of the 3GPP access network, and then transmitted to the PDCP adapter, which completes the conversion of the 3gpp PDCP protocol data unit to the WLAN MAC protocol data unit.
  • the wireless air interface of the WLAN is sent to the MAC layer of the WLAN of the terminal, and then the adapter of the PDCP is sent to the terminal, and the adapter of the terminal completes the WLAN.
  • the conversion of the protocol data unit of the MAC protocol data unit to the PDCP is then sent to the PDCP entity of the user equipment (User Equipment, UE for short).
  • the PDCP entity sends the service data unit of the PDCP to the corresponding application service.
  • the upstream data stream is a PDCP entity that is sent from the PDCP entity of the terminal to the 3GPP access network, similar to the downlink process, but with the opposite direction.
  • the so-called dual-connection architecture PDCP layer is offloaded, and the data is divided twice.
  • the PDCP layer of the 3GPP access network distributes the data stream to the radio link control layer of the small cell of the secondary base station, and then the second downlink data in the MAC of the small cell.
  • the traffic offloading that is, the WLAN offloading to the MAC adapter, the adapter completes the conversion of the protocol data unit of the 3gpp MAC to the MAC protocol data unit of the WLAN, and sends the wireless air interface of the WLAN to the MAC layer of the WLAN of the terminal, and then sends the MAC layer to the terminal.
  • the adapter of the MAC completes the conversion of the protocol data unit of the WLAN to the protocol data unit of the MAC, and then sends the MAC entity to the UE, and the user data unit is sent to the corresponding application service according to the 3GPP air interface protocol.
  • the upstream data flow is similar to the downstream process, but in the opposite direction.
  • the so-called RLC layer is offloaded, and the WLAN offload of the downlink data stream is completed at the RLC layer of the 3GPP access network, and then transmitted to the RLC adapter, which completes the conversion of the protocol data unit of the 3Gpp RLC protocol data unit to the WLAN MAC protocol data unit, through the WLAN.
  • the wireless air interface is sent to the MAC layer of the WLAN of the terminal, and then the adapter of the RLC sent to the terminal, the adapter of the terminal completes the conversion of the protocol data unit of the WLAN MAC protocol data unit to the RLC, and then sends the signal to the PDCP entity of the UE, and finally The PDCP entity sends the service data unit of the PDCP to the corresponding application service.
  • the upstream data stream is a PDCP entity that is sent from the PDCP entity of the terminal to the 3GPP access network, similar to the downlink process, but with the opposite direction.
  • the so-called MAC layer offloading the WLAN offload of the downlink data stream is completed at the MAC layer of the 3GPP access network, and then transmitted to the MAC adapter, which completes the conversion of the protocol data unit of the 3gpp MAC to the MAC protocol data unit of the WLAN, through the WLAN
  • the wireless air interface is sent to the MAC layer of the WLAN of the terminal, and then the adapter of the MAC sent to the terminal, the adapter of the terminal completes the conversion of the MAC protocol data unit of the WLAN to the protocol data unit of the MAC, and then transmits to the PDCP entity of the UE, and finally The PDCP entity sends the service data unit of the PDCP to the corresponding application service.
  • the upstream data stream is a PDCP entity that is sent from the PDCP entity of the terminal to the 3GPP access network, similar to the downlink process, but with the opposite direction.
  • the user can manually perform the WIFI switch, or the WIFI switch can be performed through the core network and the wireless network side mechanism and the policy intelligent manner.
  • the intelligent WIFI switch provides network discovery information (such as the WID SSID) near the current location according to the ANDSF, and starts to open the WIFI switch to complete related mechanisms and strategies. It will not waste power when there are no hot spots available nearby, and will not forget to manually open WIFI in the available WIFI hotspots and waste valuable traffic.
  • the core network ANDSF affects that when the user performs the tight coupling operation between the WLAN and the 3GPP network, the user will manually shut down the WIFI, or the policy of receiving the core network ANDSF requires the WLAN network to be closed. At this time, the 3GPP network should not split the data to the WLAN network.
  • the WLAN network data stream is unloaded, but the 3GPP network cannot know that the WIFI of the user side is turned off, and the data is further distributed to the WLAN network, causing delay and loss of data packets, and even affecting the user experience. Therefore, in the related art, there is a problem that the packet is delayed and lost due to the fact that the second network cannot know the usage of the first network in the user equipment.
  • the embodiment of the present invention provides a service migration method and device, so as to at least solve the problem that the data packet is delayed and lost due to the second network being unable to know the usage of the first network in the user equipment.
  • a service migration method including: determining that a service of a terminal in a first network needs to be migrated; and reporting an uninstallation indication message to a second network, where the uninstall indication message is used by And requesting to migrate part of services or all services of the terminal in the first network to the second network.
  • the method further includes: receiving a network connection reconfiguration message returned by the second network according to the uninstall indication message; reconfiguring according to the network connection The message releases resources between the terminal and the first network.
  • the uninstallation indication message includes at least one of the following information: a reason for the uninstallation, a radio bearer identifier RB ID corresponding to the service to be migrated, and/or a logical channel identifier LCHID, and a service corresponding to the service to be migrated.
  • a service set identifier SSID and/or a basic service set identifier BSSID of the point a measurement result of the terminal to the first network, and/or a measurement result of the second network, a terminal identifier of the terminal, and media intervention control Information, association ID AID.
  • the end user selection changes; the end user turns off the usage function of the first network; the first network is congested; and the access network discovery and selection function ANDSF configuration changes.
  • the method further includes: stopping sending the service on the first network when one of the following conditions is met: sending the uninstall indication message before sending the uninstall indication message, sending the uninstall indication message After receiving the network connection reconfiguration message sent by the second network.
  • the method further includes: releasing the resource applied on the first network when one of the following conditions is met: sending the uninstall indication message, after sending the uninstall indication message, receiving the After the second network sends a network connection reconfiguration message.
  • the first network comprises a wireless local area network WLAN
  • the second network comprises a third generation mobile communication partner plan 3GPP network.
  • a service migration method including: an uninstallation indication message reported by a receiving terminal after determining that the service of the terminal in the first network needs to be migrated, where the uninstall indication is The message is used to request that part of the service or all services of the terminal in the first network be migrated to the second network.
  • the method further includes: sending, according to the uninstall indication message, a network connection reconfiguration message to the terminal, where the network connection reconfiguration message is used to indicate The terminal releases resources between the terminal and the first network.
  • the uninstallation indication message includes at least one of the following information: a reason for the uninstallation, a radio bearer identifier RB ID corresponding to the service to be migrated, and/or a logical channel identifier LCHID, and a service corresponding to the service to be migrated.
  • a service set identifier SSID and/or a basic service set identifier BSSID of the point a measurement result of the terminal to the first network, and/or a measurement result of the second network, a terminal identifier of the terminal, and media intervention control Information, association ID AID.
  • the method further includes: sending, to the first network, an unloading release for releasing resources between the second network and the first network Indicating; and/or releasing resources between the terminal.
  • releasing resources with the terminal when at least one of the following conditions is met: after sending the network connection reconfiguration message to the terminal, after sending the network connection reconfiguration message to the terminal, After receiving the unloading release indication sent by the first network for releasing resources between the second network and the terminal, receiving the first network unloading release complete message, to the first Sending, by the network, an unload release indication for releasing a resource between the second network and the first network, and sending the first network to release the second network and the first network After the unloading of the resource is released.
  • the first network comprises a wireless local area network WLAN
  • the second network comprises a third generation mobile communication partner plan 3GPP network.
  • a service migration apparatus including: a determining module, configured to determine that a service of the terminal in the first network needs to be migrated; and a reporting module configured to report the uninstallation indication message to the first And a second network, where the uninstall indication message is used to request to migrate part or all services of the terminal in the first network to the second network.
  • the device further includes: a first receiving module, configured to receive a network connection reconfiguration message returned by the second network according to the uninstall indication message; and a first release module configured to be heavy according to the network connection The configuration message releases resources between the terminal and the first network.
  • a first receiving module configured to receive a network connection reconfiguration message returned by the second network according to the uninstall indication message
  • a first release module configured to be heavy according to the network connection The configuration message releases resources between the terminal and the first network.
  • the device further includes: a stopping module, configured to stop sending the service on the first network when one of the following conditions is met: before sending the uninstall indication message, when sending the uninstall indication message, sending After the uninstall indication message, after receiving the network connection reconfiguration message sent by the second network.
  • a stopping module configured to stop sending the service on the first network when one of the following conditions is met: before sending the uninstall indication message, when sending the uninstall indication message, sending After the uninstall indication message, after receiving the network connection reconfiguration message sent by the second network.
  • the device further includes: a second release module, configured to release the resource applied on the first network when one of the following conditions is met: when the uninstall indication message is sent, send the uninstall indication After the message, after receiving the network connection reconfiguration message sent by the second network.
  • a second release module configured to release the resource applied on the first network when one of the following conditions is met: when the uninstall indication message is sent, send the uninstall indication After the message, after receiving the network connection reconfiguration message sent by the second network.
  • a service migration apparatus including: a second receiving module, configured to receive, by the receiving terminal, the first reported after the terminal determines that the service in the first network needs to be migrated. An offload indication message of the network, where the offload indication message is used to request to migrate part of services or all services of the terminal in the first network to a second network.
  • the device further includes: a first sending module, configured to send a network connection reconfiguration message to the terminal according to the uninstall indication message, where the network connection reconfiguration message is used to indicate that the terminal is released a resource between the terminal and the first network.
  • a first sending module configured to send a network connection reconfiguration message to the terminal according to the uninstall indication message, where the network connection reconfiguration message is used to indicate that the terminal is released a resource between the terminal and the first network.
  • the device further includes: a second sending module, configured to send, to the first network, an unloading release indication for releasing resources between the second network and the first network; and/ Or a third release module configured to release resources between the terminal and the terminal.
  • a second sending module configured to send, to the first network, an unloading release indication for releasing resources between the second network and the first network
  • a third release module configured to release resources between the terminal and the terminal.
  • the embodiment of the present invention is used to determine that the service of the terminal in the first network needs to be migrated; the uninstallation indication message is reported to the second network, where the uninstall indication message is used to request the terminal to be in the first network.
  • the part or the whole of the service is migrated to the second network, and the problem that the data packet is delayed and lost due to the second network being unable to know the usage of the first network in the user equipment is solved, and the problem is reached. Reduce the packet loss rate and time delay of the packet.
  • FIG. 1 is a schematic diagram 1 of co-local cooperation of a WLAN and a 3GPP network in a related art
  • FIG. 2 is a schematic diagram 2 of co-local cooperation of a WLAN and a 3GPP network in a related art
  • FIG. 3 is a schematic diagram of a non-co-located cooperation of a WLAN and a 3GPP network in a related art
  • FIG. 4 is a flowchart of a first service migration method according to an embodiment of the present invention.
  • FIG. 5 is a second service migration method according to an embodiment of the present invention.
  • FIG. 6 is a structural block diagram of a first service migration apparatus according to an embodiment of the present invention.
  • FIG. 7 is a first preferred structural block diagram of a first service migration apparatus according to an embodiment of the present invention.
  • FIG. 8 is a second preferred structural block diagram of a first service migration apparatus according to an embodiment of the present invention.
  • FIG. 9 is a third preferred structural block diagram of a first type of service migration apparatus according to an embodiment of the present invention.
  • FIG. 10 is a structural block diagram of a second service mobility apparatus according to an embodiment of the present invention.
  • FIG. 11 is a block diagram of a first preferred structure of a second type of service migration apparatus according to an embodiment of the present invention.
  • FIG. 12 is a second preferred structural block diagram of a second service mobility apparatus according to an embodiment of the present invention.
  • FIG. 16 is a flowchart of an unloading report between access technologies in an internet according to Embodiment 4 of the present invention.
  • FIG. 4 is a flowchart of a first service migration method according to an embodiment of the present invention. As shown in FIG. 4, the process includes the following steps:
  • Step S402 determining that the service of the terminal in the first network needs to be migrated
  • Step S404 the uninstallation indication message is reported to the second network, where the uninstallation indication message is used to request to migrate part of the service or all services of the terminal in the first network to the second network.
  • the uninstallation indication message is sent to the second network, so that the second network can be informed of the uninstallation situation, and the service is not offloaded to the first network, thereby effectively solving the problem.
  • the problem of delaying and losing data packets caused by the second network being unable to know the usage of the first network in the user equipment exists in the related art, thereby reducing the packet loss rate and time delay of the data packet. effect.
  • the network connection reconfiguration message returned by the second network according to the uninstallation indication message may also be received, and then the resource between the terminal and the first network may be released according to the network connection reconfiguration message. , thereby migrating traffic between the terminal and the first network to other networks.
  • the offloading indication message for requesting to migrate part of the service or the entire service of the terminal in the first network to the second network may include multiple types of information.
  • the uninstall indication message may include At least one of the following information: the reason for the uninstallation, the radio bearer identifier RB ID and/or the logical channel identifier LCHID corresponding to the service to be migrated, the service set identifier SSID and/or the basic service of the access point corresponding to the service to be migrated.
  • the determining may be performed according to a predetermined condition.
  • determining the service of the terminal in the first network when at least one of the following conditions is met
  • the migration needs to be performed: the link quality of the first network is deteriorated; the service attribute of the service of the terminal is changed to not allow the use of the first network; the terminal user selection is changed; the terminal user turns off the use function of the first network; and the first network is congested;
  • the access network discovery and selection function ANDSF configuration changes. According to any one or more of the foregoing conditions, it may be determined that some or all of the services of the terminal in the first network need to be migrated, thereby performing a migration operation of the service.
  • the sending of the service on the first network is stopped: before sending the uninstall indication message, when sending the uninstall indication message, after sending the uninstall indication message, and receiving the second network sending After the network connection reconfiguration message.
  • the sending and unloading indication message mentioned here reports the uninstallation indication message to the second network as described above.
  • the resources applied on the first network may be released when one of the following conditions is met: when the uninstall indication message is sent, after the uninstall indication message is sent, and the network connection sent by the second network is received. After configuring the message.
  • the first network may include a wireless local area network WLAN
  • the second network may include a third generation mobile communication partner plan 3GPP network.
  • FIG. 5 is a second service migration method according to an embodiment of the present invention. As shown in FIG. 5, the method includes the following steps:
  • Step S502 The receiving terminal reports an uninstall indication message that is reported after the terminal needs to perform the migration in the first network, where the uninstall indication message is used to request to migrate part or all services of the terminal in the first network to Second network.
  • the terminal side needs to perform the migration of the service by receiving the uninstallation indication information for requesting the partial or partial service of the terminal to be migrated to the second network in the first network, so that the traffic on the first network can be avoided.
  • the resulting packet loss and delay effectively solve the problem of delay and loss of the data packet caused by the second network being unable to know the usage of the first network in the user equipment in the related art, thereby reducing the loss of the data packet.
  • the effect of packet rate and time delay is a packet rate and time delay.
  • the terminal may perform reconfiguration of the network connection.
  • the terminal further includes: according to the uninstall indication message to the terminal And sending a network connection reconfiguration message, where the network connection reconfiguration message is used to instruct the terminal to release resources between the terminal and the first network.
  • the foregoing uninstallation indication message may include at least one of the following information: a reason for the uninstallation, a radio bearer identifier RB ID corresponding to the service to be migrated, and/or a logical channel identifier LCHID, and a migration required.
  • the service set identifier SSID and/or the basic service set identifier BSSID of the access point corresponding to the service, the measurement result of the terminal to the first network, and/or the measurement result of the second network, the terminal identifier of the terminal, the media intervention control information, and the association Identifies the AID.
  • the method further includes: sending, to the first network, an unloading release indication for releasing resources between the second network and the first network; and/or releasing the relationship with the terminal Resources. Thereby, the service of the terminal and the first network is migrated to the second network.
  • the resource between the terminal and the terminal may be released: when the network connection reconfiguration message is sent to the terminal, after the network connection reconfiguration message is sent to the terminal, and the first After the unloading release indication sent by the network for releasing the resource between the second network and the terminal, receiving the first network unloading release complete message, and sending the first network to release the second network and the first network After the unloading release indication of the resource, the unloading release indication for releasing the resource between the second network and the first network is sent to the first network.
  • the first network described above may include a wireless local area network WLAN, and the second network may include a third generation mobile communication partner plan 3GPP network.
  • a service migrating device is also provided, which is used to implement the foregoing embodiments and preferred embodiments, and is not described again.
  • the term “module” may implement a combination of software and/or hardware of a predetermined function.
  • the apparatus described in the following embodiments is preferably implemented in software, hardware, or a combination of software and hardware, is also possible and contemplated.
  • FIG. 6 is a structural block diagram of a first service migrating device according to an embodiment of the present invention. As shown in FIG. 6, the device includes a determining module 62 and a reporting module 64. The device will be described below.
  • the determining module 62 is configured to determine that the service of the terminal in the first network needs to be migrated; the reporting module 64, The foregoing determining module 62 is configured to report the uninstallation indication message to the second network, where the uninstallation indication message is used to request that part of the service or all services of the terminal in the first network be migrated to the second network.
  • FIG. 7 is a first preferred structural block diagram of a first service migration apparatus according to an embodiment of the present invention. As shown in FIG. 7, the apparatus includes a first receiving module 72 and all but the modules shown in FIG. The first release module 74, the device will be described below.
  • the first receiving module 72 is connected to the reporting module 64, and configured to receive a network connection reconfiguration message returned by the second network according to the uninstallation indication message.
  • the first release module 74 is connected to the first receiving module 72, and is configured to be according to the network.
  • the connection reconfiguration message releases the resources between the terminal and the first network.
  • FIG. 8 is a second preferred structural block diagram of a first service migration apparatus according to an embodiment of the present invention. As shown in FIG. 8, the apparatus includes a stop module 82, in addition to all the modules shown in FIG. The device will be described.
  • the stopping module 82 is configured to stop sending the service on the first network when one of the following conditions is met: before sending the uninstall indication message, when sending the uninstall indication message, after sending the uninstall indication message, and receiving the network connection sent by the second network After configuring the message.
  • FIG. 8 is a schematic diagram of an example of stopping transmission of a service on a first network when transmitting an offload indication.
  • FIG. 9 is a third preferred structural block diagram of a first type of service migration apparatus according to an embodiment of the present invention. As shown in FIG. 9, the apparatus includes a second release module 92 in addition to all the modules shown in FIG. The device will be described below.
  • the second release module 92 is configured to release the resources applied on the first network when one of the following conditions is sent: after sending the uninstall indication message, after sending the uninstall indication message, after receiving the network connection reconfiguration message sent by the second network .
  • FIG. 9 is a schematic diagram of an example of releasing a resource applied on a first network when an uninstall instruction is sent.
  • FIG. 10 is a structural block diagram of a second service migrating device according to an embodiment of the present invention. As shown in FIG. 10, the device includes a second receiving module 102, which will be described below.
  • the second receiving module 102 is configured to receive an offload indication message of the first network that is reported by the terminal after determining that the service of the terminal in the first network needs to be migrated, where the uninstall indication message is used to request that the terminal be in the first network. Part of the business or all of the business migrated to the second network.
  • FIG. 11 is a first preferred structural block diagram of a second type of service migrating apparatus according to an embodiment of the present invention. As shown in FIG. 11, the apparatus includes a first sending module 112 in addition to all the modules shown in FIG. The device will be described below.
  • the first sending module 112 is connected to the second receiving module 102, and is configured to end to the uninstall indication message.
  • the terminal sends a network connection reconfiguration message, where the network connection reconfiguration message is used to instruct the terminal to release resources between the terminal and the first network.
  • FIG. 12 is a second preferred structural block diagram of a second type of service migrating apparatus according to an embodiment of the present invention. As shown in FIG. 12, the apparatus includes a second sending module 122 and, in addition to all the modules shown in FIG. / or a third release module 124, which will be described below.
  • the second sending module 122 is connected to the second receiving module 102, and configured to send an unloading release indication for releasing resources between the second network and the first network to the first network; and/or a third release module 124. Connect to the second receiving module 102, and set to release resources between the terminal and the terminal.
  • the present invention will be described below by taking the first network as a WLAN network and the second network as a 3GPP network as an example.
  • a method for unloading and reporting the inter-network between the access technologies is also provided, so as to solve the problem that the 3GPP network side cannot know that the user-side WIFI is shut down and continues to offload data to the WLAN network.
  • the method includes: the terminal reporting the WLAN network offloading indication of the terminal itself or the service to the 3GPP network by using the uplink air interface message, and after receiving the air interface message, the 3GPP network sends the radio resource control connection reconfiguration message to the terminal, and the terminal receives the Returning the RRC connection reconfiguration complete message, and then the terminal releases the tight coupling related resources (such as IP address and/or MAC address and/or association identifier AID bundle release) with the WLAN, and the tight coupling between the 3GPP release and the WLAN Related resources (such as IP and / or MAC address and / or AID bundle release).
  • the tight coupling related resources such as IP address and/or MAC address and/or association identifier AID bundle release
  • the offload indication may request the network side to migrate all or part of the services of the UE in the WLAN back to the 3GPP network.
  • the radio bearer identifier RB ID and/or the logical channel ID corresponding to the migrating service need to be carried.
  • the service set identifier (Service Set Identifier) of the AP corresponding to the migrated service is required. It is the SSID) and/or the Basic Service Set Identifier (abbreviated as BSSID).
  • the reason for the uninstallation needs to be carried in the uninstallation indication message.
  • the uninstallation indication sending process will be triggered by one or more of the following events:
  • the user selection changes for example, the user chooses to turn off the WLAN offload function
  • the WLAN network is seriously congested
  • the ANDSF configuration changes (for example, all or part of the current service of the UE is no longer allowed to use the WLAN after the change, or the UE is no longer allowed to use the currently used WLAN AP/AC after the change).
  • the offloading indication carries the measurement result of the UE for the WLAN network and/or the measurement result of the UE to the LTE network.
  • the UE will stop the service transmission on the WLAN at the same time as sending the offload indication or after sending the offload indication or before sending the offload indication.
  • the UE will release the resources applied for on the WLAN after transmitting the uninstallation indication or sending the uninstallation indication.
  • the UE After receiving the 3GPP network side reconfiguration message, the UE stops the service transmission on the WLAN.
  • the UE After receiving the 3GPP network side reconfiguration message, the UE will release the resources applied on the WLAN.
  • the WLAN side related tightly coupled resource release can have three triggers:
  • WLAN self-test for example, the information of the terminal cannot be obtained within a certain period of time
  • the 3GPP network side notifies the WLAN side by sending a unload release indication message
  • the UE If the UE is part of the service offload, the UE triggers the WLAN to release the tightly coupled resources related to the part of the service;
  • the 3GPP network side may release three resources related to the tight coupling of the terminal:
  • the WLAN side notifies the 3GPP network side by sending a unload release indication message
  • the invention will now be described in connection with specific embodiments.
  • the LTE system is closely coupled to the WLAN as an example.
  • the technical solutions provided in this embodiment of the Universal Mobile Telecommunications System (UMTS) system are the same.
  • the UE is in a WLAN/LTE integrated base station site, and the UE and the integrated base station site Both support LTE and WLAN tightly coupled WLAN offloading schemes. It is also used for scenarios where the WLAN and the 3GPP network are ideally connected and the dual-connected small cell is tightly coupled to the WLAN.
  • the PDCP layer offloading is simplified as an application scenario.
  • FIG. 13 is a flowchart of the unloading report reporting of the access technology network according to the first embodiment of the present invention. The process of reporting the unloading indication information of the 3GPP access network and the WLAN tightly coupled system in this embodiment is as shown in FIG.
  • Step 1301 The radio resource control layer (Radio Resource Control, RRC for short) of the terminal sends the uplink air interface message including its own unloading indication to the network side.
  • RRC Radio Resource Control
  • the unloading indication includes a combination of one or more of the following information: indication information, reason for unloading, SSID, BSSID, LCHID, RB ID, UE ID, MAC, AID, wherein the offload indication may request the network side to the UE All of the WLANs are migrated back to the 3GPP network.
  • the uninstallation indication sending process will be triggered by one or more of the following events:
  • the user selection changes for example, the user chooses to turn off the WLAN offload function
  • the WLAN network is seriously congested
  • the ANDSF configuration changes (for example, all or part of the current service of the UE is no longer allowed to use the WLAN after the change, or the UE is no longer allowed to use the currently used WLAN AP/AC after the change).
  • the offloading indication carries the measurement result of the UE for the WLAN network and/or the measurement result of the UE to the LTE network, and the uplink air interface message is an RRC connection establishment request or a newly established message.
  • Step S1302 The network side RRC sends a radio control resource reconfiguration message to the terminal.
  • Step S1303 The terminal receives the radio control resource reconfiguration message, performs resource reconfiguration, and then sends a radio control resource reconfiguration complete message to the network side.
  • step S1304 the terminal stops the service transmission on the WLAN, and releases some resources related to the WLAN, such as an IP address.
  • Step S1305 The 3GPP network side sends an unload release indication to the WLAN side.
  • the 3GPP network side After the 3GPP network side sends the unloading release indication or sends the unloading release indication, the 3GPP network side releases the resources related to the terminal tight coupling.
  • step S1306 the WLAN side releases some resources, such as an IP address, which are closely coupled with the terminal.
  • step S1307 the WLAN side returns the unloading release completion to the 3GPP network side.
  • the PDCP layer of the dual connectivity architecture is used as an application scenario.
  • FIG. 14 is a flowchart of unloading and reporting between access technologies in the network according to the second embodiment of the present invention, including:
  • step S1401 since the ANDSF policy requires the terminal to turn off the WLAN offload of the terminal or the WLAN offload of a certain service or multiple services of the terminal, the radio resource control layer (Radio Resource Control, RRC for short) of the terminal will include the unloading of the terminal.
  • the information or the service or the unloading report information of the terminal is sent to the network side.
  • the unloading information includes a combination of one or more of the following information: indication information, reason for unloading, SSID, BSSID, RB ID, UE ID, wherein the reason for unloading may be an ANDSF policy.
  • the uplink air interface message sent by the terminal to the network layer may carry unloading information for some or all of the multiple services, and may also specify a part or all of the services. Unloading information.
  • the unloading information of the multiple services may be partially the same.
  • the unloading information of multiple services has the same SSID address, but has different BSSIDs and the like.
  • the uplink air interface message is an RRC connection setup request or a newly established message.
  • Step S1402 The network side RRC sends a radio control resource reconfiguration message to the terminal.
  • the ANDSF policy is the unloading information of part of the service of the terminal, the corresponding part of the service reconfiguration resource in the radio control resource reconfiguration message.
  • Step S1403 The terminal receives the radio control resource reconfiguration message, performs resource reconfiguration, and then sends a radio control resource reconfiguration complete message to the network side.
  • Step S1404 The terminal initiates an access point release indication to the WLAN side.
  • the purpose of the access point release indication is that the terminal will stop the service transmission on the WLAN, and the terminal will release some resources, such as an IP address, which are tightly coupled with the WLAN.
  • the purpose of the access point release indication is that the terminal stops transmitting part of the service on the WLAN, and the terminal releases some resources between the corresponding service and the WLAN.
  • This release indication content contains a combination of one or more of the following information: unloading reason, SSID, BSSID, RB ID, UE ID.
  • step S1405 the WLAN side returns the access point release completion to the terminal side.
  • Step S1406 The 3GPP network side sends an unload release indication to the WLAN side.
  • the purpose of the unloading release indication is that the WLAN side releases some resources between the corresponding and tight coupling of the terminal, such as MAC address binding, buffer, and the like.
  • the purpose of the unloading release indication is that the WLAN side releases some resources between the corresponding service and the tight coupling of the terminal, such as IP address binding, buffer, and the like.
  • step S1407 the WLAN side returns the unloading release completion to the 3GPP network side.
  • the 3GPP network side releases resources closely related to the terminal.
  • the MAC layer offloading is used as an application scenario, and the WLAN radio quality degradation occurs at the same time.
  • FIG. 15 is a flowchart of the unloading report reporting between the access technology networks according to the third embodiment of the present invention
  • FIG. 15 is a flowchart of the unloading information reporting process of the 3GPP access network and the WLAN tightly coupled system.
  • step S1501 the quality of the WLAN radio link is deteriorated, and the radio resource control layer (Radio Resource Control, hereinafter referred to as RRC) of the terminal transmits the downlink air interface message including its own unloading indication to the network side.
  • RRC Radio Resource Control
  • the reason for the unloading here may be that the quality of the WLAN radio link is deteriorated.
  • the terminal detects that the WLAN signal is below a certain threshold within a certain period of time.
  • the offloading indication carries the measurement result of the UE for the WLAN network and/or the UE to the LTE network.
  • the measurement result wherein the UE will stop the service transmission on the WLAN after transmitting the offload indication or after transmitting the offload indication or before sending the offload indication.
  • the UE will release the resources applied for on the WLAN after transmitting the uninstallation indication or sending the uninstallation indication.
  • Step S1502 The network side RRC sends a radio control resource reconfiguration message to the terminal.
  • Step S1503 The terminal receives the radio control resource reconfiguration message, performs resource reconfiguration, and then sends a radio control resource reconfiguration complete message to the network side.
  • step S1504 the WLAN side starts releasing the tightly coupled resources with the terminal.
  • the WLAN side starts the time point, and can perform self-detection and set a timer. If the UE does not receive the feedback information after a certain time threshold, the release is started.
  • step S1505 the WLAN side sends an unloading release indication to the 3GPP network side.
  • the 3GPP network side releases the resources closely related to the terminal.
  • Step S1506 The 3GPP network side returns the unload release completion to the WLAN side.
  • the RLC layer is offloaded into an application scenario, and the service attributes are changed.
  • FIG. 16 is a flowchart of the unloading report between the access technologies in the network according to the fourth embodiment of the present invention, including:
  • step S1601 the service attribute is changed, and the service is no longer allowed to use the WLAN after the change, and the radio resource control layer (Radio Resource Control, RRC for short) of the terminal will include the unloading information of the terminal or the corresponding unloading report of the service of the terminal.
  • the information is sent to the network side.
  • the unloading information may include a combination of one or more of the following information: indication information, reason for unloading, SSID, BSSID, RB ID, UE ID, MAC, AID.
  • the reason for the unloading may be a change in the business attribute.
  • the change of the service attribute may be manually set by the user or modified by the network side signaling configuration.
  • the UE will stop the service on the WLAN after sending the uninstallation indication or sending the uninstallation indication. give away.
  • the uplink air interface message is referred to in the first embodiment.
  • Step S1602 The network side RRC sends a radio control resource reconfiguration message to the terminal.
  • the 3GPP network side releases the resources closely related to the terminal.
  • Step S1603 The terminal receives the radio control resource reconfiguration message, performs resource reconfiguration, and then sends a radio control resource reconfiguration complete message to the network side.
  • Step S1604 The 3GPP network side sends an unload release indication to the WLAN side.
  • the WLAN side releases some resources between the corresponding service and tight coupling of the terminal, such as IP address binding, buffer, and the like.
  • step S1605 the WLAN side returns the unloading release completion to the 3GPP network side.
  • Step S1606 The WLAN side returns an access point release indication to the terminal side.
  • step S1607 the terminal side returns the access point release completion to the WLAN side.
  • the terminal will stop data transmission of a certain service and delete the tightly coupled resources related to the service.
  • the terminal feeds back to the 3GPP network corresponding terminal or the unloading indication of the service by using the uplink air interface message, and then the 3GPP network sends a radio resource reconfiguration message to the terminal by using the corresponding 3GPP network downlink air interface message, and the terminal confirms that the reconfiguration is completed.
  • the terminal and the 3gpp network side complete the release of tightly coupled data with the WLAN. It can be used to modify the WIFI configuration in the process of tight coupling between the 3GPP access network and the WLAN, and solves the problem that the 3GPP network cannot know that the user side WIFI is turned off and the data packet is delayed and lost.
  • 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. Further, they may be implemented by program code executable by the computing device such that they may be stored in the storage device for execution by the computing device and, in some cases, may be performed in a different order than herein.
  • the steps shown or described are either made separately into individual integrated circuit modules, or a plurality of modules or steps are fabricated as a single integrated circuit module. Thus, the invention is not limited to any specific combination of hardware and software.
  • the foregoing embodiments of the present invention can be applied to the field of communications, and solve the problem of delaying and losing data packets caused by the second network being unable to know the usage of the first network in the user equipment in the related art, thereby achieving data reduction.
  • the packet loss rate and time delay effect of the packet can be applied to the field of communications, and solve the problem of delaying and losing data packets caused by the second network being unable to know the usage of the first network in the user equipment in the related art, thereby achieving data reduction.
  • the packet loss rate and time delay effect of the packet can be applied to the field of communications, and solve the problem of delaying and losing data packets caused by the second network being unable to know the usage of the first network in the user equipment in the related art, thereby achieving data reduction.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Mobile Radio Communication Systems (AREA)

Abstract

La présente invention concerne un procédé et un appareil de migration de service, le procédé consistant à : déterminer qu'un service d'un terminal dans un premier réseau doit faire l'objet d'une migration ; envoyer un message d'instruction de désinstallation à un second réseau, le message d'instruction de désinstallation étant utilisé pour demander la migration d'une partie ou de la totalité du service du terminal dans le premier réseau vers un second réseau. La présente invention aborde les problèmes selon l'état de la technique liés à un retard et à la perte de paquets du fait qu'un second réseau ignore les circonstances d'utilisation d'un premier réseau d'un équipement d'utilisateur, ce qui permet de réduire le taux de perte et le retard de paquets.
PCT/CN2015/087086 2015-01-26 2015-08-14 Procédé et appareil de migration de service Ceased WO2016119441A1 (fr)

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