WO2019095144A1 - Procédé et dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage - Google Patents

Procédé et dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage Download PDF

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Publication number
WO2019095144A1
WO2019095144A1 PCT/CN2017/111113 CN2017111113W WO2019095144A1 WO 2019095144 A1 WO2019095144 A1 WO 2019095144A1 CN 2017111113 W CN2017111113 W CN 2017111113W WO 2019095144 A1 WO2019095144 A1 WO 2019095144A1
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WO
WIPO (PCT)
Prior art keywords
core network
base station
handover
request message
station identifier
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PCT/CN2017/111113
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English (en)
Chinese (zh)
Inventor
刘建华
Original Assignee
Oppo广东移动通信有限公司
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Oppo广东移动通信有限公司 filed Critical Oppo广东移动通信有限公司
Priority to PCT/CN2017/111113 priority Critical patent/WO2019095144A1/fr
Priority to CN201880037422.2A priority patent/CN110731101B/zh
Priority to CN202110012553.9A priority patent/CN112822737B/zh
Priority to PCT/CN2018/073235 priority patent/WO2019095553A1/fr
Publication of WO2019095144A1 publication Critical patent/WO2019095144A1/fr

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0055—Transmission or use of information for re-establishing the radio link
    • H04W36/0066—Transmission or use of information for re-establishing the radio link of control information between different types of networks in order to establish a new radio link in the target network
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04W—WIRELESS COMMUNICATION NETWORKS
    • H04W36/00—Hand-off or reselection arrangements
    • H04W36/0005—Control or signalling for completing the hand-off
    • H04W36/0011—Control or signalling for completing the hand-off for data sessions of end-to-end connection
    • H04W36/0022—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies
    • H04W36/00222—Control or signalling for completing the hand-off for data sessions of end-to-end connection for transferring data sessions between adjacent core network technologies between different packet switched [PS] network technologies, e.g. transferring data sessions between LTE and WLAN or LTE and 5G

Definitions

  • the present invention relates to mobile network technologies, and in particular, to a method, device and storage medium for implementing handover of a mobile network system.
  • the Next Generation Radio Access Network may include scenarios in which the gNB and the eNB access the fifth generation mobile communication core network (5GC) simultaneously or separately.
  • 5GC fifth generation mobile communication core network
  • the UE when the user equipment (UE) accesses the 5GC through the enterprise long-term evolution (eLTE) eNB, the UE needs to switch from the eLTE base station to the LTE base station for some reason, but these two The base stations are physically the same base station, that is, the source base station and the target base station are the same base station.
  • eLTE enterprise long-term evolution
  • the handover performed is a handover in which the physical location of the base station is unchanged and the core network changes, for example, switching from the 5G core network 5GC to the 4G core network evolution packet core network (EPC).
  • EPC packet core network
  • FIG. 1 is a schematic diagram of an existing normal handover procedure.
  • the NG-RAN sends a Handover Require message to the Access Management Function Device (AMF), which carries the target base station identity (Target ID), ie, the eNB ID of the base station itself. Etc. Because the Target ID is the same as the source ID, the AMF considers this to be a failure scenario, which prevents the handover from proceeding smoothly.
  • AMF Access Management Function Device
  • the present invention provides a method, device, and storage medium for implementing handover of a mobile network system.
  • a method for implementing handover of a mobile network system comprising:
  • the RAN When it is determined that the UE needs to perform the physical location of the base station and the core network changes from the first core network to the second core network, the RAN sends a handover request message to the management device, where the handover request message carries the handover indication information, so that The management device completes the handover according to the handover indication information.
  • a method for implementing handover of a mobile network system comprising:
  • the RAN When it is determined that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, the RAN sends a handover request message to the management device, where the handover request message carries the target base station identifier, so that After the management device determines that the target base station identifier is consistent with the source base station identifier, the handover is completed.
  • a method for implementing handover of a mobile network system comprising:
  • the RAN When it is determined that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, the RAN notifies the UE to release the connection with the base station;
  • the RAN selects the non-access stratum NAS connection mode access corresponding to the second core network for the UE.
  • a method for implementing handover of a mobile network system comprising:
  • the RAN sends a handover request message to the management device, where the handover request message carries the target base station identifier, so that The management device completes the handover according to the target base station identifier, where the target base station identifier is another base station identifier corresponding to the mapped source base station identifier.
  • a method for implementing handover of a mobile network system comprising:
  • the management device acquires the RAN to determine that the UE needs to perform the physical location of the base station unchanged while the core network
  • the handover request message sent by the first core network to the handover of the second core network, where the handover request message carries the handover indication information
  • the management device completes the handover according to the handover indication information.
  • a method for implementing handover of a mobile network system comprising:
  • the management device acquires a handover request message that is sent by the RAN when the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, where the handover request message carries the target base station identifier;
  • the management device determines that the target base station identifier is consistent with the source base station identifier, and completes the handover.
  • a method for implementing handover of a mobile network system comprising:
  • the management device acquires a handover request message that is sent by the RAN when the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, where the handover request message carries the target base station identifier.
  • the target base station identifier is another base station identifier corresponding to the mapped source base station identifier;
  • the management device completes the handover according to the target base station identifier.
  • a method for implementing handover of a mobile network system comprising:
  • the UE releases the connection with the base station according to the notification of the RAN;
  • the UE re-initiates the connection, so that the RAN selects the NAS connection mode access corresponding to the second core network for the UE.
  • a next generation radio access network device comprising: a first sending unit;
  • the first sending unit is configured to send a handover request message to the management device when determining that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, the handover request message Carrying switching indication information for the management device The switching is completed according to the switching indication information.
  • a next generation radio access network device comprising: a second sending unit;
  • the second sending unit is configured to send a handover request message to the management device when determining that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, the handover request message
  • the target base station identifier is carried in, so that the management device determines that the target base station identifier is consistent with the source base station identifier, and completes the handover.
  • a next generation radio access network device comprising: a third sending unit;
  • the third sending unit is configured to send a handover request message to the management device when determining that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network, the handover request message
  • the target base station identifier is carried in, so that the management device completes the handover according to the target base station identifier, where the target base station identifier is another base station identifier corresponding to the mapped source base station identifier.
  • a next generation radio access network device comprising: a notification unit and an access unit;
  • the notifying unit is configured to notify the UE to release the connection with the base station when determining that the UE needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network;
  • the access unit is configured to select, when the UE re-initiates a connection, access the NAS connection mode corresponding to the second core network.
  • a management device includes: a first acquiring unit and a first switching unit;
  • the first acquiring unit is configured to acquire a handover request message that is sent by the RAN when the eNB determines that the physical location of the base station is unchanged and the core network changes from the first core network to the second core network, where the handover request message is sent.
  • Carrying handover indication information
  • the first switching unit is configured to complete the handover according to the handover indication information.
  • a management device includes: a second acquiring unit and a second switching unit;
  • the second acquiring unit is configured to acquire a handover request message that is sent by the RAN when the eNB determines that the physical location of the base station is unchanged and the core network changes from the first core network to the second core network, where the handover request message is sent. Carrying the target base station identifier;
  • the second switching unit is configured to complete the handover after determining that the target base station identifier is consistent with the source base station identifier.
  • a management device includes: a third obtaining unit and a third switching unit;
  • the third acquiring unit is configured to acquire a handover request message that is sent by the RAN when the eNB determines that the physical location of the base station is unchanged and the core network changes from the first core network to the second core network, where the handover request message is sent.
  • the third switching unit is configured to complete the handover according to the target base station identifier.
  • a user equipment comprising: a release unit and a connection unit;
  • the releasing unit is configured to release the connection between the user equipment and the base station according to the notification of the RAN when the user equipment needs to perform the physical location change of the base station and the core network changes from the first core network to the second core network. ;
  • the connecting unit is configured to re-initiate the connection, so that the RAN selects a NAS connection mode corresponding to the second core network for the user equipment to access.
  • a computer apparatus comprising a memory, a processor, and a computer program stored on the memory and operative on the processor, the processor implementing the method as described above.
  • a computer readable storage medium having stored thereon a computer program that, when executed by a processor, implements a method as described above.
  • the handover indication information is carried in the handover request message or the UE is re-accessed to other core networks, thereby ensuring that the UE needs to perform the physical location of the base station unchanged.
  • the handover proceeds smoothly.
  • FIG. 1 is a schematic diagram of an existing normal handover procedure.
  • FIG. 2 is a schematic diagram of each base station identifier and corresponding network entity according to the present invention.
  • FIG. 3 is a schematic structural diagram of a first embodiment of a next-generation radio access network device according to the present invention.
  • FIG. 4 is a schematic structural diagram of a second embodiment of a next-generation radio access network device according to the present invention.
  • FIG. 5 is a schematic structural diagram of a third embodiment of a next-generation radio access network device according to the present invention.
  • FIG. 6 is a schematic structural diagram of a fourth embodiment of a next-generation radio access network device according to the present invention.
  • FIG. 7 is a schematic structural diagram of a first embodiment of an access management function device according to the present invention.
  • FIG. 8 is a schematic structural diagram of a second embodiment of an access management function device according to the present invention.
  • FIG. 9 is a schematic structural diagram of a third embodiment of an access management function device according to the present invention.
  • FIG. 10 is a schematic structural diagram of a structure of an embodiment of a user equipment according to the present invention.
  • FIG. 11 shows a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
  • the present invention provides a method for implementing handover of a mobile network system, which can ensure that when the UE needs to perform the physical location change of the base station and the handover of the core network changes, the handover proceeds smoothly, and the core network change refers to changing from the first core network to Second core network.
  • Implementations may include, but are not limited to, one of the following:
  • the RAN sends a Handover Require message to the management device, where the Handover Require message carries the handover indication information, and the management device
  • the switching instruction information completes the switching.
  • the RAN sends a Handover Require message to the management device, where the Handover Require message carries the target base station identifier, and the management device determines After the target base station identifier is consistent with the source base station identifier, the handover is completed.
  • the RAN sends a Handover Require message to the management device, where the Handover Require message carries the target base station identifier, and the management device is configured according to the The target base station identifier completes the handover, and the target base station identifier is another base station identifier corresponding to the mapped source base station identifier.
  • the RAN informs the UE to release the connection with the base station, and when the UE re-initiates the connection, the RAN selects the second for the UE.
  • the non-access stratum (NAS) connection mode corresponding to the core network is accessed.
  • the first core network may be a 5G core network
  • the second core network may be a 4G core network
  • the first core network may be a 4G core network
  • the second core network may be a 5G core network.
  • the management device when the first core network is a 5G core network, and the second core network is a 4G core network, the management device may be an AMF, the radio access network may be an NG-RAN, and the first core network is a 4G core network, and the second When the core network is a 5G core network, the management device may be a mobility management device (MME).
  • MME mobility management device
  • the NG-RAN when it is determined that the UE needs to perform the handover of the core network change, the NG-RAN sends a Handover Require message to the AMF, and the Handover Require message may carry the handover indication information, so that the AMF can perform the handover indication information according to the handover indication information. Complete the switch.
  • the NG-RAN needs to send a Handover Require message to the AMF.
  • the Handover Require message needs to carry information such as the target base station identifier, which is different from the prior art.
  • the message further needs to carry the handover indication information.
  • the specific format of the switching indication information and the like are not limited, and may be determined according to actual needs.
  • the handover indication information can be utilized to indicate handover to other core networks such as the 4G core network EPC and the like.
  • the AMF can determine that the UE is to perform the physical location change of the base station and the core network change according to the handover indication information, so that the UE can select a new mobile terminal for the UE.
  • the Handover Require message also needs to carry a Source to Target Transparent Container parameter, which is to be transmitted by the source base station to the target base station, because the target base station in this embodiment And the source base station is The same base station is the same as the base station, so the parameters cannot be transmitted to save network resources. Accordingly, the Source to Target Transparent Container parameter may not be carried in the Handover Require message.
  • the Handover Require message may also carry only the identifier corresponding to the Source to Target Transparent Container parameter, that is, the Source to Target Transparent Container parameter is not carried, and only the corresponding identifier is carried, because in actual applications, some state machines may need to be needed. This information can be used to enter the next state. Compared with the prior art, this method can also save network resources because it does not need to carry the Source to Target Transparent Container parameter.
  • the NG-RAN when it is determined that the UE needs to perform the handover of the core network change, the NG-RAN sends a Handover Require message to the AMF, where the Handover Require message carries the target base station identifier, so that the AMF determines the target base station identifier. After the identity of the source base station is consistent, the handover is completed.
  • the NG-RAN needs to send a Handover Require message to the AMF, and the Handover Require message may carry information such as the target base station identifier.
  • the AMF After receiving the Handover Require message, the AMF determines that the target base station identifier is consistent with the source base station identifier, that is, the two base stations are the same base station, and the cross-system handover is determined, and the subsequent handover procedure is normally performed for the UE.
  • the Handover Require message also needs to carry the Source to Target Transparent Container parameter in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or Only carries the label corresponding to the Source to Target Transparent Container parameter. knowledge.
  • the NG-RAN may send a Handover Require message to the AMF, where the Handover Require message may carry the target base station identifier, so that the AMF is based on the target base station.
  • the identity completes the handover, and the target base station identifier is another base station identifier corresponding to the mapped source base station identifier.
  • the NG-RAN needs to send a Handover Require message to the AMF, and the Handover Require message may carry information such as the target base station identifier.
  • the target base station identifier may be consistent with the source base station identifier.
  • the target base station identifier may be another base station identifier corresponding to the mapped source base station identifier, that is, the target base station identifier, and the subsequent AMF may be based on the target base station. Identify to complete the switch.
  • the mapping is not limited, and may be determined according to actual needs.
  • the source base station identifier and the target base station identifier essentially correspond to the same base station.
  • the base station identifier corresponding to the UE may be a third base station identifier.
  • the third base station identifier may be one of a source base station identifier and a target base station identifier.
  • the eNB ID1 is the source base station identifier
  • the eNB ID2 is the target base station identifier
  • the eNB ID3 is the base station identifier of the corresponding UE, which may be equal to the eNB ID1 or the eNB ID2.
  • the source to target Transparent Container parameter is also carried in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or only the Source to Target Transparent Container parameter is carried. Corresponding identifier.
  • the NG-RAN may notify the UE to release the connection with the base station, so that when the UE re-initiates the connection, the NG-RAN may be the UE.
  • EPC-NAS Evolved Packet Core Network - Non-Access Stratum
  • the NG-RAN may send a radio resource control connection release (RRC Connection Release) message to the UE, notify the UE to release the connection with the base station, and may carry the indication information in the RRC Connection Release message, and use the indication information to instruct the UE to re Initiate a connection.
  • RRC Connection Release radio resource control connection release
  • the specific format of the indication information and the like are not limited, and may be determined according to actual needs.
  • the UE releases the connection and the reconnection corresponds to the same base station.
  • the difference is that the core network has changed after reconnection, and the purpose of the handover is achieved in this way.
  • Embodiment 1 to Embodiment 3 can be used for the UE to implement the handover of the physical location of the base station and the change of the core network, and any one of the foregoing manners can be adopted according to actual needs.
  • the AMF obtains a Handover Require message that is sent by the NG-RAN to determine that the UE needs to perform the handover of the physical location of the base station and the core network changes.
  • the Handover Require message carries the handover indication information, and can be completed according to the handover indication information. Switch.
  • the NG-RAN needs to send a Handover Require message to the AMF.
  • the Handover Require message needs to carry information such as the target base station identifier, which is different from the prior art.
  • the message further needs to carry the handover indication information.
  • the handover indication information can be utilized to indicate handover to other core networks such as EPC and the like.
  • the AMF After receiving the Handover Require message, the AMF can determine that the UE is to perform the physical location change of the base station and the core network change according to the handover indication information, so that the AMF can select a new MME for the UE. And complete the subsequent switching process accordingly.
  • the Handover Require message also needs to carry a Source to Target Transparent Container, and the parameters are to be transmitted by the source base station to the target base station, because the target base station and the source base station in this embodiment are the same base station, that is, To switch to the same base station, the parameters may not be transmitted to save network resources. Accordingly, the Source to Target Transparent Container parameter may not be carried in the Handover Require message.
  • the Handover Require message may also carry only the identifier corresponding to the Source to Target Transparent Container parameter, that is, the Source to Target Transparent Container parameter is not carried, and only the corresponding identifier is carried, because in actual applications, some state machines may need to be needed. This information can be used to enter the next state. Compared with the prior art, this method can also save network resources because it does not need to carry the Source to Target Transparent Container parameter.
  • the AMF may obtain a Handover Require message sent by the NG-RAN to determine that the UE needs to perform the handover of the physical location of the base station but the core network changes.
  • the Handover Require message carries the target base station identifier, and the AMF determines the target base station identifier and The source base station IDs are consistent and the handover is completed.
  • the NG-RAN needs to send a Handover Require message to the AMF, and the Handover Require message may carry information such as the target base station identifier.
  • the AMF After receiving the Handover Require message, the AMF determines that the target base station identifier is consistent with the source base station identifier, that is, the two base stations are the same base station, and the cross-system handover is determined, and the subsequent handover procedure is normally performed for the UE.
  • the Source to Target Transparent Container parameter is also required to be carried in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or Only carries the identifier corresponding to the Source to Target Transparent Container parameter.
  • the AMF acquires a Handover Require message that is sent by the NG-RAN to determine that the UE needs to perform the handover of the physical location of the base station but the core network changes.
  • the Handover Require message carries the target base station identifier, and the target base station identifier is mapped.
  • the source base station identifier corresponds to another base station identifier, and then the AMF can complete the handover according to the target base station identifier.
  • the base station identifier corresponding to the UE may be a third base station identifier.
  • the third base station identifier may be one of a source base station identifier and a target base station identifier.
  • the source to target Transparent Container parameter is also carried in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or only the Source to Target Transparent Container parameter is carried. Corresponding identifier.
  • the UE may first release the connection with the base station according to the notification of the NG-RAN, and then the UE may re-initiate the connection, so that the NG-RAN is the UE. Select the EPC-NAS access mode to access.
  • the UE may receive an RRC Connection Release message from the NG-RAN, and release the connection with the base station according to the message.
  • the RRC Connection Release message may further carry indication information for instructing the UE to re-initiate the connection.
  • FIG. 3 is a schematic structural diagram of a first embodiment of a next-generation radio access network device according to the present invention. As shown in FIG. 3, the first sending unit 301 is included.
  • the first sending unit 301 is configured to send a Handover Require message to the AMF when the UE needs to perform the handover of the core network change, and the Handover Require message carries the handover indication information, so that the AMF completes according to the handover indication information. Switch.
  • the NG-RAN needs to send a Handover Require message to the AMF.
  • the Handover Require message needs to carry information such as a target base station identifier and a Source to Target Transparent Container parameter.
  • the handover indication information may be further carried in the Handover Require message, and the handover indication information may be used to indicate handover to another core network such as an EPC.
  • the target base station and the source base station in this embodiment are the same base station, because the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or only the identifier corresponding to the Source to Target Transparent Container parameter may be carried.
  • FIG. 4 is a schematic structural diagram of a second embodiment of a next-generation radio access network device according to the present invention. As shown in FIG. 4, the second transmitting unit 401 is included.
  • the second sending unit 401 is configured to send a Handover Require message to the AMF when the UE needs to perform the handover of the core network change, and the Handover Require message carries the target base station identifier, so that the AMF determines the target base station identifier. After the identity of the source base station is consistent, the handover is completed.
  • the NG-RAN needs to send a Handover Require message to the AMF, and the Handover Require message may carry information such as the target base station identifier.
  • the AMF After receiving the Handover Require message, the AMF determines that the target base station identifier is consistent with the source base station identifier, that is, the two base stations are the same base station, and the determining is a cross-system handover, and the subsequent handover procedure can be performed normally for the UE.
  • the source to target Transparent Container parameter is also carried in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or only the Source to Target Transparent Container parameter is carried. Corresponding identifier.
  • FIG. 5 is a schematic structural diagram of a third embodiment of a next-generation radio access network device according to the present invention. As shown in FIG. 5, the third transmitting unit 501 is included.
  • a third sending unit 501 configured to: when determining that the UE needs to perform physical location of the base station unchanged When the switching of the heart network is changed, the Handover Require message is sent to the AMF, and the Handover Require message carries the target base station identifier, so that the AMF completes the handover according to the target base station identifier, and the target base station identifier is another base station identifier corresponding to the mapped source base station identifier.
  • the base station identifier corresponding to the UE is the third base station identifier, and the third base station identifier may be one of the source base station identifier and the target base station identifier.
  • Handover Require message does not carry the Source to Target Transparent Container parameter, or the Handover Require message carries only the identifier corresponding to the Source to Target Transparent Container parameter.
  • FIG. 6 is a schematic structural diagram of a fourth embodiment of a next-generation radio access network device according to the present invention. As shown in FIG. 6, the notification unit 601 and the access unit 602 are included.
  • the notification unit 601 is configured to notify the UE to release the connection with the base station when determining that the UE needs to perform the handover of the core network change without changing the physical location of the base station.
  • the access unit 602 is configured to select an EPC-NAS access mode access for the UE when the UE re-initiates the connection.
  • the notification unit 601 may send an RRC Connection Release message to the UE, and notify the UE to release the connection with the base station, and may carry the indication information in the RRC Connection Release message, and use the indication information to instruct the UE to re-initiate the connection.
  • the UE releases the connection and the reconnection corresponds to the same base station.
  • the difference is that the core network has changed after reconnection, and the purpose of the handover is achieved in this way.
  • FIG. 7 is a schematic structural diagram of a first embodiment of an access management function device according to the present invention. As shown in FIG. 7, the first acquiring unit 701 and the first switching unit 702 are included.
  • the first acquiring unit 701 is configured to acquire a Handover Require message sent by the NG-RAN to determine that the UE needs to perform the handover of the physical location of the base station and the core network changes, and the Handover Require message carries the handover indication information.
  • the first switching unit 702 is configured to complete the handover according to the handover indication information.
  • the NG-RAN needs to send a Handover Require message to the AMF.
  • the Handover Require message needs to carry information such as a target base station identifier and a Source to Target Transparent Container parameter.
  • the handover indication information may be further carried in the Handover Require message.
  • the first handover unit 702 After the first handover unit 702 receives the Handover Require message, if the target base station identifier is consistent with the source base station identifier, according to the handover indication information, it may be determined that the UE is to perform the physical location change of the base station and the core network change is switched, so that the UE may be the UE. Select a new MME and complete the subsequent handover process accordingly.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or Only carries the identifier corresponding to the Source to Target Transparent Container parameter.
  • FIG. 8 is a schematic structural diagram of a second embodiment of an access management function device according to the present invention. As shown in FIG. 8, the second obtaining unit 801 and the second switching unit 802 are included.
  • the second obtaining unit 801 is configured to acquire a Handover Require message sent by the NG-RAN when the UE needs to perform the handover of the physical location of the base station but the core network changes.
  • the Handover Require message carries the target base station identifier.
  • the second switching unit 802 is configured to complete the handover after determining that the target base station identifier is consistent with the source base station identifier.
  • the NG-RAN needs to send a Handover Require message to the AMF, and the Handover Require message may carry information such as the target base station identifier.
  • the second switching unit 802 determines that the target base station identifier is consistent with the source base station identifier according to the Handover Require message, that is, the two base stations are the same base station, and the determination is that the handover is performed across the system, and the subsequent handover procedure is normally performed for the UE.
  • the source to target Transparent Container parameter is also carried in the Handover Require message.
  • the Source to Target Transparent Container parameter may not be carried in the Handover Require message, or only the Source to Target Transparent Container parameter is carried. Corresponding identifier.
  • FIG. 9 is a schematic structural diagram of a third embodiment of an access management function device according to the present invention. As shown in FIG. 9, the third acquisition unit 901 and the third switching unit 902 are included.
  • the third acquiring unit 901 is configured to acquire a Handover Require message that is sent by the NG-RAN when the UE needs to perform the handover of the physical location of the base station but the core network changes, and the Handover Require message carries the target base station identifier, and the target base station identifier is a mapping. Another base station identifier corresponding to the source base station identifier.
  • the third switching unit 902 is configured to complete the handover according to the target base station identifier.
  • the base station identifier corresponding to the UE is the third base station identifier, and the third base station identifier may be one of the source base station identifier and the target base station identifier.
  • the Container parameter or the Handover Require message, carries only the identifier corresponding to the Source to Target Transparent Container parameter.
  • FIG. 10 is a schematic structural diagram of a structure of an embodiment of a user equipment according to the present invention. As shown in FIG. 10, the present invention includes a release unit 1001 and a connection unit 1002.
  • the releasing unit 1001 is configured to release the connection between the UE and the base station according to the notification of the NG-RAN when the UE needs to perform the handover of the physical location of the base station and the change of the core network.
  • the connecting unit 1002 is configured to re-initiate the connection, so that the NG-RAN selects an EPC-NAS access mode access for the UE.
  • the releasing unit 1001 may receive an RRC Connection Release message from the NG-RAN, and release the connection with the base station according to the message.
  • the RRC Connection Release message may further carry indication information for instructing the UE to re-initiate the connection.
  • FIG. 11 shows a block diagram of an exemplary computer system/server 12 suitable for use in implementing embodiments of the present invention.
  • the computer system/server 12 shown in FIG. 11 is merely an example and should not impose any limitation on the function and scope of use of the embodiments of the present invention.
  • computer system/server 12 is embodied in the form of a general purpose computing device.
  • the components of computer system/server 12 may include, but are not limited to, one or more processors (processing Unit 16, memory 28, bus 18 that connects different system components, including memory 28 and processor 16.
  • Bus 18 represents one or more of several types of bus structures, including a memory bus or memory controller, a peripheral bus, a graphics acceleration port, a processor, or a local bus using any of a variety of bus structures.
  • these architectures include, but are not limited to, an Industry Standard Architecture (ISA) bus, a Micro Channel Architecture (MAC) bus, an Enhanced ISA Bus, a Video Electronics Standards Association (VESA) local bus, and peripheral component interconnects ( PCI) bus.
  • ISA Industry Standard Architecture
  • MAC Micro Channel Architecture
  • VESA Video Electronics Standards Association
  • PCI peripheral component interconnects
  • Computer system/server 12 typically includes a variety of computer system readable media. These media can be any available media that can be accessed by computer system/server 12, including both volatile and non-volatile media, removable and non-removable media.
  • Memory 28 may include computer system readable media in the form of volatile memory, such as random access memory (RAM) 30 and/or cache memory 32.
  • Computer system/server 12 may further include other removable/non-removable, volatile/non-volatile computer system storage media.
  • storage system 34 may be used to read and write non-removable, non-volatile magnetic media (not shown in Figure 11, commonly referred to as "hard disk drives").
  • a disk drive for reading and writing to a removable non-volatile disk for example, a "floppy disk”
  • a removable non-volatile disk for example, a CD-ROM, a DVD-ROM
  • each drive can be coupled to bus 18 via one or more data medium interfaces.
  • Memory 28 can include at least one program product having a set (e.g., at least one) of program modules configured to perform the functions of various embodiments of the present invention.
  • a program/utility 40 having a set (at least one) of program modules 42 may be stored, for example, in memory 28, such program modules 42 including, but not limited to, an operating system, One or more applications, other program modules, and program data, each of which may include an implementation of a network environment.
  • Program module 42 typically performs the functions and/or methods of the described embodiments of the present invention.
  • Computer system/server 12 may also be in communication with one or more external devices 14 (e.g., a keyboard, pointing device, display 24, etc.), and may also be in communication with one or more devices that enable a user to interact with the computer system/server 12. And/or in communication with any device (e.g., network card, modem, etc.) that enables the computer system/server 12 to communicate with one or more other computing devices. This communication can take place via an input/output (I/O) interface 22. Also, computer system/server 12 may also communicate with one or more networks (e.g., a local area network (LAN), a wide area network (WAN), and/or a public network, such as the Internet) through network adapter 20. As shown in FIG.
  • LAN local area network
  • WAN wide area network
  • public network such as the Internet
  • network adapter 20 communicates with other modules of computer system/server 12 via bus 18. It should be understood that although not shown in the figures, other hardware and/or software modules may be utilized in conjunction with computer system/server 12, including but not limited to: microcode, device drivers, redundant processing units, external disk drive arrays, RAID systems, Tape drives and data backup storage systems.
  • the processor 16 executes various functions and data processing by executing a program stored in the memory 28, for example, implementing any of the first to eighth embodiments.
  • the present invention also discloses a computer readable storage medium having stored thereon a computer program, which when executed by the processor, implements any of the methods of the first embodiment to the eighth embodiment.
  • the computer readable medium can be a computer readable signal medium or a computer readable storage medium.
  • the computer readable storage medium can be, for example, but not limited to, an electronic, magnetic, optical, electromagnetic, infrared, or semiconductor system, apparatus, or device, or any combination of the above. More specific to computer readable storage media Examples (non-exhaustive list) include: electrical connections with one or more wires, portable computer disks, hard disks, random access memory (RAM), read only memory (ROM), erasable programmable read only memory (EPROM or flash memory), optical fiber, portable compact disk read only memory (CD-ROM), optical storage device, magnetic storage device, or any suitable combination of the foregoing.
  • a computer readable storage medium can be any tangible medium that can contain or store a program, which can be used by or in connection with an instruction execution system, apparatus or device.
  • a computer readable signal medium may include a data signal that is propagated in the baseband or as part of a carrier, carrying computer readable program code. Such propagated data signals can take a variety of forms including, but not limited to, electromagnetic signals, optical signals, or any suitable combination of the foregoing.
  • the computer readable signal medium can also be any computer readable medium other than a computer readable storage medium, which can transmit, propagate, or transport a program for use by or in connection with the instruction execution system, apparatus, or device. .
  • Program code embodied on a computer readable medium can be transmitted by any suitable medium, including but not limited to wireless, wire, fiber optic cable, RF, etc., or any suitable combination of the foregoing.
  • Computer program code for performing the operations of the present invention may be written in one or more programming languages, or a combination thereof, including an object oriented programming language such as Java, Smalltalk, C++, and conventional A procedural programming language - such as the "C" language or a similar programming language.
  • the program code may execute entirely on the user's computer, partly on the user's computer, as a stand-alone software package, partly on the user's computer, partly on the remote computer, or entirely on the remote computer or server.
  • the remote computer can pass any kind of network - package Including a local area network (LAN) or a wide area network (WAN) - connected to a user's computer, or can be connected to an external computer (eg, using an Internet service provider to connect over the Internet).
  • LAN local area network
  • WAN wide area network
  • the units described as separate components may or may not be physically separated, and the components displayed as units may or may not be physical units, that is, may be located in one place, or may be distributed to multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of the embodiment.
  • each functional unit in each embodiment of the present invention may be integrated into one processing unit, or each unit may exist physically separately, or two or more units may be integrated into one unit.
  • the above integrated unit can be implemented in the form of hardware or in the form of hardware plus software functional units.
  • the above-described integrated unit implemented in the form of a software functional unit can be stored in a computer readable storage medium.
  • the above software functional unit is stored in a storage medium and includes instructions for causing a computer device (which may be a personal computer, a server, or a network device, etc.) or a processor to perform the methods of the various embodiments of the present invention. Part of the steps.
  • the foregoing storage medium includes various media that can store program codes, such as a USB flash drive, a removable hard disk, a read only memory (ROM), a random access memory (RAM), a magnetic disk, or an optical disk.

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  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
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Abstract

L'invention concerne un procédé et un dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage. Par exemple, lorsqu'il est déterminé qu'un UE doit effectuer un transfert intercellulaire d'un réseau central d'un premier réseau central à un second réseau central sans changer l'emplacement physique d'une station de base, un RAN peut envoyer un message de requête de transfert intercellulaire à un dispositif de gestion, le message de requête de transfert transportant des informations d'instruction de transfert intercellulaire, de telle sorte que le dispositif de gestion achève le transfert intercellulaire et similaire conformément aux informations d'instruction de transfert intercellulaire. L'application de la solution de la présente invention permet de s'assurer que, lorsqu'un UE doit effectuer un transfert intercellulaire d'un réseau central d'un premier réseau central vers un second réseau central sans changer l'emplacement physique d'une station de base, le transfert intercellulaire est effectué sans à-coups.
PCT/CN2017/111113 2017-11-15 2017-11-15 Procédé et dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage WO2019095144A1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
PCT/CN2017/111113 WO2019095144A1 (fr) 2017-11-15 2017-11-15 Procédé et dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage
CN201880037422.2A CN110731101B (zh) 2017-11-15 2018-01-18 实现移动网络系统切换的方法、设备及存储介质
CN202110012553.9A CN112822737B (zh) 2017-11-15 2018-01-18 实现移动网络系统切换的方法、设备及存储介质
PCT/CN2018/073235 WO2019095553A1 (fr) 2017-11-15 2018-01-18 Procédé et dispositif de mise en œuvre de transfert intercellulaire, et support de stockage

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PCT/CN2017/111113 WO2019095144A1 (fr) 2017-11-15 2017-11-15 Procédé et dispositif de mise en œuvre de transfert intercellulaire dans un système de réseau mobile, et support de stockage

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PCT/CN2018/073235 WO2019095553A1 (fr) 2017-11-15 2018-01-18 Procédé et dispositif de mise en œuvre de transfert intercellulaire, et support de stockage

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CN102843739A (zh) * 2011-06-24 2012-12-26 华为终端有限公司 在家庭基站之间进行切换的方法、装置及系统
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CN114466418A (zh) * 2022-02-09 2022-05-10 成都中科微信息技术研究院有限公司 一种提升nr系统xn切换执行效率的方法、切换方法及nr系统
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CN110731101B (zh) 2021-02-05
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CN110731101A (zh) 2020-01-24
CN112822737A (zh) 2021-05-18

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