CN106488497A - A kind of changing method, base station server - Google Patents
A kind of changing method, base station server Download PDFInfo
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- CN106488497A CN106488497A CN201510543131.9A CN201510543131A CN106488497A CN 106488497 A CN106488497 A CN 106488497A CN 201510543131 A CN201510543131 A CN 201510543131A CN 106488497 A CN106488497 A CN 106488497A
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- 238000000034 method Methods 0.000 title claims abstract description 157
- 238000005259 measurement Methods 0.000 claims abstract description 224
- 230000004044 response Effects 0.000 claims description 54
- 238000002360 preparation method Methods 0.000 claims description 13
- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000002093 peripheral effect Effects 0.000 abstract description 3
- 238000007726 management method Methods 0.000 description 43
- 238000010586 diagram Methods 0.000 description 24
- 230000011664 signaling Effects 0.000 description 22
- 230000006870 function Effects 0.000 description 16
- 238000002955 isolation Methods 0.000 description 10
- 230000003993 interaction Effects 0.000 description 9
- 238000004590 computer program Methods 0.000 description 7
- 230000008569 process Effects 0.000 description 6
- 238000005516 engineering process Methods 0.000 description 5
- 238000012544 monitoring process Methods 0.000 description 5
- 238000012545 processing Methods 0.000 description 5
- 238000003860 storage Methods 0.000 description 4
- 238000010295 mobile communication Methods 0.000 description 3
- 230000005856 abnormality Effects 0.000 description 2
- 238000013500 data storage Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
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- 238000013468 resource allocation Methods 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/10—Scheduling measurement reports ; Arrangements for measurement reports
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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
- H04W36/0061—Transmission or use of information for re-establishing the radio link of neighbour cell information
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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
- H04W36/0072—Transmission or use of information for re-establishing the radio link of resource information of target access point
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Abstract
The embodiment of the invention discloses a kind of changing method, base station server, including：The measurement report that receive user equipment sends, the measurement report carry the metrical information of the user equipment peripheral base station；Determine that the user equipment carries out the switching between different virtual base stations in same entity base station according to the measurement report, and determine destination virtual base station.
Description
Technical Field
The present invention relates to a wireless mobile communication virtualization technology, and in particular, to a handover method, a base station, and a server.
Background
The virtualization technology is a resource management technology, and various entity resources are presented after being abstracted and converted, so that the barrier that the entity structures cannot be cut is broken, and a user can use the resources more flexibly. The virtual portion of these resources is not limited by the existing installation, region or physical configuration. In an actual production environment, the virtualization technology can be used for solving the problems of high-performance physical hardware capacity surplus and low old hardware capacity recombination reuse, and transparentizing bottom-layer physical hardware, so that physical resources are utilized to the maximum extent.
The introduction of virtualization in the field of wireless mobile communications not only improves the utilization of physical resources, but also provides an adaptive solution to the rapidly growing demand for communication capacity. However, the existing virtualization technology in wireless mobile communication, for example, the implementation scheme established by the virtualized base station, utilizes the centralized controller to control and manage the entire network, which is difficult to implement, and does not fully utilize the resources of the existing mobile wireless network.
Disclosure of Invention
In order to solve the above technical problems, embodiments of the present invention provide a handover method, a base station, and a server, which can fully utilize resources of an existing mobile wireless network.
The technical scheme of the invention is realized as follows:
the embodiment of the invention provides a switching method, which comprises the following steps:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
and determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, and determining a target virtual base station.
Further, the determining, according to the measurement report, that the ue performs handover between different virtual bss in the same physical base station, and determining a target virtual bs includes:
and determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, determining the target virtual base station according to the resource utilization condition, applying for resource admission to a virtual control management system corresponding to the target virtual base station, and allocating resources for the user equipment by the target virtual base station.
Further, after the determining, according to the measurement report, that the ue performs handover between different virtual base stations in the same physical base station, and determining a target virtual base station, the handover method further includes:
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to switch and update the configuration of a transmission control protocol;
and receiving a configuration completion message sent by the user equipment, wherein the configuration completion message is used for indicating that the user equipment is successfully switched.
Further, after the receiving a configuration completion message sent by the ue, where the configuration completion message is used to indicate that the ue is successfully handed over, the handover method further includes:
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending update information to a source virtual operator server, wherein the update information is used for indicating the source virtual operator server to update virtual network list information;
and receiving an update success message sent by the virtual operator server.
The embodiment of the invention also provides a switching method, which comprises the following steps:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
determining that the user equipment performs switching of different virtual base stations between different entity base stations according to the measurement report;
and sending a request message, wherein the request message is used for indicating that the target virtual base station is determined.
Further, the sending a request message, where the request message is used to instruct determining a target virtual base station, includes:
sending a first handover request to a first target entity base station, wherein the first handover request is used for indicating the first target entity base station to determine a first target virtual base station.
Further, the sending a request message, where the request message is used to instruct determining a target virtual base station, includes:
sending a switching preparation request to a first Mobility Management Entity (MME), sending a second switching request to a second target entity base station by the first MME, and determining a second target virtual base station by the second target entity base station.
Further, after the sending the first handover request to the first target entity base station, the handover method further includes:
receiving a switching response message sent by the first target entity base station;
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to carry out switching and protocol configuration;
receiving a first handover completion message sent by the first target entity base station;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending first updating information to a source virtual operator server, wherein the first updating information indicates that the source virtual operator server updates virtual network list information;
and receiving a first update success message sent by the source virtual operator server.
Further, after the sending the handover preparation request to the first MME, sending, by the first MME, a second handover request to the second target physical base station, and determining, by the second target physical base station, a second target virtual base station, the method further includes:
receiving a second handover completion message sent by the first MME, wherein the second handover completion message is used for indicating that the handover of the second target entity base station is completed;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending second update information to a source virtual operator server, the second update information indicating that the source virtual operator server updates virtual network list information;
and receiving a second update success message sent by the source virtual operator server.
The embodiment of the invention also provides a switching method, which comprises the following steps:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
determining that the user equipment performs switching of different virtual base stations among different entity base stations in the same virtual network according to the measurement report;
and sending the measurement report to a virtual operator server, wherein the measurement report is used for indicating the virtual operator server to determine a target virtual base station, and the target virtual base station is one virtual base station in target entity base stations.
Further, after the sending the measurement report to a virtual operator server, the handover method further comprises:
receiving the information of the target entity base station sent by the virtual operator server;
sending a switching request to the target entity base station, wherein the switching request is used for indicating the target entity base station to apply for resource admission to a target virtual base station;
receiving a switching response message sent by the target entity base station;
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to carry out switching and protocol configuration;
receiving a first switching completion message sent by the target entity base station;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending first updating information to a virtual operator server, wherein the first updating information is used for indicating the virtual operator server to update virtual network list information;
and receiving a first update success message sent by the virtual operator server.
Further, after the sending the measurement report to a virtual operator server, the handover method further comprises:
receiving a second handover completion message sent by an MME, wherein the second handover completion message is used for indicating that the target entity base station is completed in handover;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending second update information to a virtual operator server, wherein the second update information is used for indicating the virtual operator server to update virtual network list information;
and receiving a second update success message sent by the virtual operator server.
The embodiment of the invention also provides a switching method, which comprises the following steps:
and receiving a switching request and determining a target virtual base station.
Further, the receiving a handover request and determining a target virtual base station includes:
receiving a first switching request sent by a first source entity base station;
and determining a first target virtual base station, applying for resource admission to the first target virtual base station, and allocating resources for the user equipment by the first target virtual base station after the application is successful.
Further, the receiving a handover request and determining a target virtual base station includes:
receiving a second switching request sent by a second MME;
and determining a second target virtual base station, applying for resource admission to the second target virtual base station, and allocating resources for user equipment by the second target virtual base station after the application is successful.
Further, the receiving a handover request and determining a target virtual base station includes:
and receiving a third switching request sent by a second source entity base station, wherein the third switching request carries information of a third target virtual base station, applying for resource admission to the third target virtual base station, and allocating resources for the user equipment by the third target virtual base station after the application is successful.
Further, the receiving a handover request and determining a target virtual base station includes:
and receiving a fourth switching request sent by a fourth MME, wherein the fourth switching request carries information of a fourth target virtual base station, and applies for resource admission to the fourth target virtual base station, and the fourth target virtual base station allocates resources for the user equipment after the application is successful.
Further, after determining a first target virtual base station and applying for resource admission to the first target virtual base station, and after the first target virtual base station allocates resources to the user equipment after the application is successful, the handover method further includes:
sending a first handover response message to the first source entity base station;
receiving a first configuration completion message sent by the user equipment, wherein the first configuration completion message is used for indicating that switching configuration is completed;
sending a first update data channel node address request to a first MME, wherein the first update data channel node address request is used for indicating the first MME to update a data channel node address;
receiving a first successful update data channel node address message sent by the first MME;
updating control forwarding entity list information;
sending first updating information to a first target virtual operator server, wherein the first updating information is used for indicating the first target virtual operator server to update virtual network list information;
receiving a first update success message sent by the first target virtual operator server;
and sending a first switching completion message to the first source entity base station.
Further, after the determining a second target virtual base station, applying for resource admission to the second target virtual base station, and after the resource is allocated to the user equipment by the second target virtual base station after the application is successful, the handover method further includes:
sending a second handover response message to the second MME;
receiving a second configuration completion message sent by the user equipment, wherein the second configuration completion message is used for indicating that switching configuration is completed;
sending a second update data channel node address request to the second MME, the second update data channel node address request being used to instruct the second MME to update a data channel node address;
receiving a second success update data channel node address message sent by the second MME;
updating control forwarding entity list information;
sending second update information to a second target virtual operator server, wherein the second update information is used for indicating the second target virtual operator server to update the virtual network list information;
receiving a second update success message sent by the second target virtual operator server;
and sending a second switching completion message to the second MME.
Further, after the receiving a third handover request sent by a second source entity base station, where the third handover request carries information of a third target virtual base station, and applies for resource admission to the third target virtual base station, and after the third target virtual base station allocates resources to the user equipment after the application is successful, the handover method further includes:
sending a third handover response message to the second source entity base station;
receiving a third configuration completion message sent by the user equipment;
sending a third update data channel node address request to a third MME, the third update data channel node address request being used to instruct the third MME to update a data channel node address;
receiving a third successful update data channel node address message sent by the third MME;
updating control forwarding entity list information;
and sending a third switching completion message to the second source entity base station.
Further, after the receiving a fourth handover request sent by a fourth MME, where the fourth handover request carries information of a fourth target virtual base station, and applies for resource admission to the fourth target virtual base station, and after the fourth target virtual base station allocates resources to the user equipment after the application is successful, the handover method further includes:
sending a fourth handover response message to the fourth MME;
receiving a fourth configuration completion message sent by the user equipment;
sending a fourth update data channel node address request to the fourth MME, the fourth update data channel node address request being used to instruct the fourth MME to update a data channel node address;
receiving a fourth successful update data channel node address message sent by the fourth MME;
updating control forwarding entity list information;
and sending a fourth switching completion message to the fourth MME.
The embodiment of the invention also provides a switching method, which comprises the following steps:
and receiving a measurement report sent by a source entity base station, and determining a target virtual base station according to the measurement report.
Further, the determining a target virtual base station according to the measurement report includes:
and selecting the virtual base station occupying the lowest frequency band resource utilization rate in a virtual network information list as a target virtual base station according to the measurement report, and taking a host base station of the target virtual base station as a target entity base station.
Further, the handover method further includes:
receiving the updating information sent by the source entity base station, and updating the virtual network list information;
and sending an updating success message to the source entity base station.
An embodiment of the present invention further provides a base station, where the base station includes: a first receiving unit and a first determining unit; wherein,
the first receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the first determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual bss in the same physical bs, and further determine a target virtual bs.
Further, the first determining unit is configured to determine, according to the measurement report, that the user equipment performs switching between different virtual base stations in the same entity base station, determine the target virtual base station according to a resource utilization condition, apply resource admission to a virtual control management system corresponding to the target virtual base station, and allocate resources to the user equipment by the target virtual base station.
Further, the base station further includes:
a first sending unit, configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and update tcp configuration;
the first receiving unit is configured to receive a configuration completion message sent by the ue, where the configuration completion message is used to indicate that the ue is successfully switched.
Further, the base station further includes:
a first updating unit, configured to update information of a control forwarding entity list, and release resources occupied by the user equipment in a source virtual base station;
the first sending unit is used for sending update information to a source virtual operator server, wherein the update information is used for indicating the source virtual operator server to update virtual network list information;
the first receiving unit is configured to receive an update success message sent by the virtual operator server.
An embodiment of the present invention further provides a base station, where the base station includes: the device comprises a second receiving unit, a second determining unit and a second sending unit; wherein,
the second receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the second determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual bss between different physical bss;
the second sending unit is configured to send a request message, where the request message is used to instruct to determine a target virtual base station.
Further, the second sending unit is configured to send a first handover request to a first target entity base station, where the first handover request is used to instruct the first target entity base station to determine a first target virtual base station.
Further, the second sending unit is configured to send a handover preparation request to the first MME, send a second handover request to the second target physical base station by the first MME, and determine the second target virtual base station by the second target physical base station.
Further, the base station further includes: the second updating unit is used for updating the first updating unit,
the second receiving unit is configured to receive a handover response message sent by the first target entity base station; the first target entity base station is also used for receiving a first switching completion message sent by the first target entity base station; the source virtual operator server is also used for receiving a first update success message sent by the source virtual operator server;
the second sending unit is configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and protocol configuration; the network management server is further used for sending first updating information to a source virtual operator server, wherein the first updating information indicates that the source virtual operator server updates virtual network list information;
and the second updating unit is used for updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station.
Further, the base station further includes: the second updating unit is used for updating the first updating unit,
the second receiving unit is configured to receive a second handover completion message sent by the first MME, where the second handover completion message is used to indicate that the handover of the second target entity base station is completed; the source virtual operator server is also used for receiving a second update success message sent by the source virtual operator server;
the second updating unit is configured to update the list information of the control forwarding entity and release resources occupied by the user equipment in the source virtual base station;
the second sending unit is configured to send second update information to a source virtual operator server, where the second update information indicates that the source virtual operator server updates virtual network list information.
An embodiment of the present invention further provides a base station, where the base station includes: a third receiving unit, a third determining unit and a third sending unit; wherein,
the third receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the third determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in the same virtual network;
the third sending unit is configured to send the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one of target entity base stations.
Further, the base station further includes: a third updating unit for updating the data in the first memory unit,
the third receiving unit is configured to receive the information of the target entity base station sent by the virtual operator server; the base station is also used for receiving a switching response message sent by the target entity base station; the base station is also used for receiving a first switching completion message sent by the target entity base station; the first update success message is also used for receiving the first update success message sent by the virtual operator server;
the third sending unit is configured to send a handover request to the target entity base station, where the first handover request is used to instruct the target entity base station to apply for resource admission to a target virtual base station; the first switching instruction is used for indicating the user equipment to carry out switching and protocol configuration; the first updating information is used for indicating the virtual operator server to update the virtual network list information;
and the third updating unit is configured to update the list information of the control forwarding entity and release the resource occupied by the user equipment in the source virtual base station.
Further, the base station further includes: a third updating unit for updating the data in the first memory unit,
the third receiving unit is configured to receive a second handover completion message sent by the MME, where the second handover completion message is used to indicate that the target entity base station is completed in handover; the virtual operator server is also used for receiving a second update success message sent by the virtual operator server;
the third updating unit is configured to update the list information of the control forwarding entity and release the resource occupied by the user equipment in the source virtual base station;
the third sending unit is configured to send second update information to the virtual operator server, where the second update information is used to instruct the virtual operator server to update the virtual network list information.
An embodiment of the present invention further provides a base station, where the base station includes: a fourth receiving unit and a fourth determining unit; wherein,
the fourth receiving unit is configured to receive a handover request;
the fourth determining unit is configured to determine a target virtual base station.
Further, the fourth receiving unit is configured to receive a first handover request sent by a first source entity base station; the fourth determining unit is configured to determine a first target virtual base station, apply resource admission to the first target virtual base station, and allocate resources to the user equipment by the first target virtual base station after the resource admission is successfully applied.
Further, the fourth receiving unit is configured to receive a second handover request sent by a second MME;
and the fourth determining unit is configured to determine a second target virtual base station, apply resource admission to the second target virtual base station, and allocate resources to the user equipment by the second target virtual base station after the application is successful.
Further, the fourth receiving unit is configured to receive a third handover request sent by a second source entity base station, where the third handover request carries information of a third target virtual base station;
and the fourth determining unit is configured to apply for resource admission to the third target virtual base station, and allocate resources to the user equipment by the third target virtual base station after the application is successful.
Further, the fourth receiving unit is configured to receive a fourth handover request sent by a fourth MME, where the fourth handover request carries information of a fourth target virtual base station;
the fourth determining unit is configured to apply for resource admission to the fourth target virtual base station, and allocate resources to the user equipment by the fourth target virtual base station after the application is successful.
Further, the base station further includes: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a first handover response message to the first source entity base station; the first MME is also used for sending a first updating data channel node address request to the first MME, wherein the first updating data channel node address request is used for indicating the first MME to update the data channel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; the first source entity base station is also used for sending a first switching completion message to the first source entity base station;
the fourth receiving unit is configured to receive a first configuration completion message sent by the ue, where the first configuration completion message is used to indicate that a handover configuration is completed; the first MME is also used for receiving a first successful update data channel node address message sent by the first MME; the first target virtual operator server is also used for receiving a first update success message sent by the first target virtual operator server;
and the fourth updating unit is used for updating the control forwarding entity list information.
Further, the base station further includes: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a second handover response message to the second MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update the data tunnel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; further configured to send a second handover complete message to the second MME;
the fourth receiving unit is configured to receive a second configuration completion message sent by the ue, where the second configuration completion message is used to indicate that a handover configuration is completed; the second MME is also used for receiving a second success update data channel node address message sent by the second MME; the second target virtual operator server is also used for receiving a second update success message sent by the second target virtual operator server;
and the fourth updating unit is used for updating the control forwarding entity list information.
Further, the base station further includes: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a third handover response message to the second source entity base station; further configured to send a third update data tunnel node address request to a third MME, the third update data tunnel node address request being used to instruct the third MME to update a data tunnel node address; a third handover complete message is also sent to the second source entity base station;
the fourth receiving unit is configured to receive a third configuration completion message sent by the user equipment; the third MME is also used for receiving a third successful update data channel node address message sent by the third MME;
and the fourth updating unit is used for updating the control forwarding entity list information.
Further, the base station further includes: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a fourth handover response message to the fourth MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update a data tunnel node address; further configured to send a fourth handover complete message to the fourth MME;
the fourth receiving unit is configured to receive a fourth configuration completion message sent by the user equipment; the fourth MME is also used for receiving a fourth successful update data channel node address message sent by the fourth MME;
and the fourth updating unit is used for updating the control forwarding entity list information.
An embodiment of the present invention further provides a server, where the server includes: a receiving unit and a determining unit; wherein,
the receiving unit is configured to receive a measurement report sent by a source entity base station;
the determining unit is used for determining the target virtual base station according to the measurement report.
Further, the determining unit is configured to select a virtual base station occupying the lowest frequency band resource utilization rate from a virtual network information list according to the measurement report as a target virtual base station, and use a host base station of the target virtual base station as a target entity base station.
Further, the server further comprises a sending unit,
the receiving unit is configured to receive update information sent by the source entity base station, and update virtual network list information;
the sending unit is configured to send an update success message to the source entity base station.
The embodiment of the invention provides a switching method, a base station and a server, which are used for receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment; and determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, and determining a target virtual base station. The switching method, the base station and the server provided by the embodiment of the invention virtualize the entity base station into a plurality of virtual base stations, and control the virtual base stations through the entity base station, so that the switching between the virtual base stations can be realized, and the resources of the existing mobile wireless network can be fully utilized.
Drawings
Fig. 1 is a schematic structural diagram of a base station supporting virtualization according to an embodiment of the present invention;
fig. 2 is a schematic diagram of a topology between a plurality of base stations supporting virtualization and a plurality of virtual operators according to an embodiment of the present invention;
fig. 3 is a schematic diagram of information interaction between network elements of a multi-layer virtual network system according to an embodiment of the present invention;
fig. 4 is a first flowchart of a handover method according to an embodiment of the present invention;
fig. 5 is a flowchart of a handover method according to an embodiment of the present invention;
fig. 6 is a first signaling flow chart of a handover method according to an embodiment of the present invention;
fig. 7 is a flow chart of a handover method according to a third embodiment of the present invention;
fig. 8 is a fourth flowchart of a handover method according to an embodiment of the present invention;
fig. 9 is a signaling flowchart of a handover method according to an embodiment of the present invention;
fig. 10 is a fifth flowchart of a handover method according to an embodiment of the present invention;
fig. 11 is a signaling flow diagram of a handover method according to a third embodiment of the present invention;
fig. 12 is a sixth flowchart of a handover method according to an embodiment of the present invention;
fig. 13 is a seventh flowchart of a handover method according to an embodiment of the present invention;
fig. 14 is a signaling flowchart of a handover method according to a fourth embodiment of the present invention;
fig. 15 is a flowchart eight of a handover method according to an embodiment of the present invention;
fig. 16 is a signaling flowchart of a handover method according to a fifth embodiment of the present invention;
fig. 17 is a flowchart nine of a handover method according to an embodiment of the present invention;
fig. 18 is a signaling flowchart of a handover method according to a fifth embodiment of the present invention;
fig. 19 is a flowchart ten of a handover method according to an embodiment of the present invention;
fig. 20 is a signaling flowchart of a handover method according to a sixth embodiment of the present invention;
fig. 21 is an eleventh flowchart of a handover method according to an embodiment of the present invention;
fig. 22 is a signaling flowchart of a handover method according to a seventh embodiment of the present invention;
fig. 23 is a flow chart of a handover method according to a twelfth embodiment of the present invention;
fig. 24 is a signaling flowchart eight of a handover method according to an embodiment of the present invention;
fig. 25 is a thirteenth flowchart of a handover method according to an embodiment of the present invention;
fig. 26 is a first schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 27 is a second schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 28 is a third schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 29 is a schematic structural diagram of a base station according to a fourth embodiment of the present invention;
fig. 30 is a schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 31 is a sixth schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 32 is a seventh schematic structural diagram of a base station according to an embodiment of the present invention;
fig. 33 is a schematic structural diagram eight of a base station according to an embodiment of the present invention;
fig. 34 is a first schematic structural diagram of a server according to an embodiment of the present invention;
fig. 35 is a schematic structural diagram of a server according to an embodiment of the present invention.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
The execution main body of the switching method provided by the embodiment of the invention can be a base station supporting virtualization, the base station supporting virtualization can be virtualized into a plurality of virtual base stations with isolation, and each virtual base station can simultaneously and independently serve a plurality of virtual operators. The virtual base stations with the isolation degree have two meanings: on one hand, isolation among subsystems of each virtual base station is referred, for example, isolation among virtual control management systems; another aspect refers to allocation resource isolation of each virtual base station, e.g., band resource isolation of each virtual base station.
Further, as shown in fig. 1, the base station supporting virtualization may include: basic node physical resources, a control management system and a control forwarding entity.
Wherein the basic node physical resources may include: frequency band resources, a baseband system, a radio frequency system, a clock system, a power environment monitoring system, an antenna feeder system and the like. The basic node physical resources include, but are not limited to, all physical resources of a base station in an LTE system.
Wherein the control management system may include: host control and Management systems (HCMS, Hostcontrol & Management System) and virtual control and Management systems (VCMS, virtual control & Management System). Specifically, one HCMS may simultaneously maintain a plurality of VCMSs, which are reflected on the base station entity, that is, it may be understood that one entity base station may simultaneously maintain a plurality of virtual base stations.
The host control management system at least has the functions of measurement monitoring, data storage, core management and the like.
The measurement monitoring function is to periodically measure various indexes related to the state of the base station, for example, monitor the working state of the base station, and if an abnormality such as overload occurs, the measurement monitoring module is used to send an abnormality request to the core management module to maintain the normal operation of the base station.
The data storage function is storage of base station and virtual base station data, user data, signaling data, and the like. Wherein the virtual base station data at least comprises: an Identification (ID) of the virtual base station, a frequency band resource occupied by the virtual base station, a Signal to interference plus Noise Ratio (SINR) of a user served by the virtual base station, and the like.
The core management function is the core of the implementation of the base station function, and includes but is not limited to the following aspects: configuration functions, authentication functions, resource allocation, mobility management, band management, etc.
Further, the virtual control management system is implemented by a function that a core management module in the host control management system is used as a network element with a control management function in a virtual network. The virtual base station is a logic entity capable of running a base station (eNodeB) protocol stack to implement a base station function, and the VCMS calls a management function template of a core management module of the HCMS through an Application Programming Interface (API) to implement a specific control management function of the virtual base station.
Furthermore, a control forwarding entity based on load is integrated in each entity base station, the control forwarding entity is used for maintaining different virtual network load lists served by the entity base stations, the control forwarding entity directly interacts with a virtual operator server, and loads belonging to different virtual networks are isolated, so that the isolation between different virtual networks is ensured. Wherein, the bearer list information may at least include: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
As shown in fig. 2, a topology between a plurality of base stations supporting virtualization and a plurality of virtual operators is provided, in one aspect, at the base station supporting virtualization, each base station distributively and autonomously controls and manages virtual base stations belonging to different virtual networks; on the other hand, at the virtual operator side, the virtual operator server centrally controls and manages the entire virtual network of the virtual operator. In the presence of multiple base stations and multiple virtual operators, there is a topology structure diagram as shown in fig. 2, and this control management mode combines distributed and centralized modes, and does not fail to work while managing effectively.
As shown in fig. 3, the schematic diagram of information interaction between network elements of a multi-layer virtual network system includes three aspects of information interaction, where there is information interaction between a base station and a virtual operator server; information interaction exists between the base station and the core network; and information interaction is carried out between the virtual operator server and the core network.
It should be noted that, the base station supporting virtualization and the physical base station described in the embodiment of the present invention have the same meaning, and it can be understood that the physical base station supports virtualization, the physical base station can be virtualized into a plurality of virtual base stations with isolation, and each virtual base station can simultaneously and independently serve a plurality of virtual operators.
Example one
An embodiment of the present invention provides a handover method, as shown in fig. 4, where the handover method includes:
step 101, receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment.
It should be noted that an execution subject of the handover method provided in the embodiment of the present invention is a source entity base station, that is, a current base station of the user equipment, and the source entity base station supports virtualization, that is, a base station supporting virtualization, as shown in fig. 1, the base station supporting virtualization may include: basic node physical resources, HCMS, VCMS and control forwarding entity. One HCMS may simultaneously maintain multiple VCMSs, which are reflected on the base station entity, that is, it may be understood that one physical base station may simultaneously maintain multiple virtual base stations.
Specifically, a source entity base station obtains a measurement report sent by a user equipment, the measurement report carries measurement information such as Reference Signal Received Power (RSRP) of a base station around the user equipment, the measurement report may further include a measurement identifier, and a measurement configuration stored by the measurement identifier network can obtain a frequency point corresponding to the current report, a measurement event threshold triggered by an event, a period trigger purpose and the like; the serving cell measurement quantity comprises Reference Signal Received Power (RSRP) and Reference Signal Received Quality (RSRQ); the measured neighbor cell list includes a physical cell identifier, a value of a measurement quantity corresponding to the cell, a cell identifier, a tracking area code, and a Public Land Mobile Network (PLMN) list.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
And step 102, determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, and determining a target virtual base station.
Specifically, a source entity base station determines that the user equipment performs switching between different virtual base stations in the same entity base station according to measurement information such as Reference Signal Received Power (RSRP) of base stations around the user equipment, the source entity base station determines a target virtual base station according to the utilization condition of resources, applies for resource admission to a virtual control management system corresponding to the target virtual base station, and after the application is successful, the target virtual base station allocates resources for the user equipment. And the source entity base station sends a switching instruction to the user equipment, and the user equipment performs switching and updates the configuration of the transmission control protocol after receiving the switching instruction. And the user equipment receives the switching instruction, performs switching and updating transmission control protocol configuration, and sends a configuration completion message to the source entity base station after the updating transmission control protocol configuration is completed. And the source entity base station receives a configuration completion message sent by the user equipment, wherein the configuration completion message indicates that the user equipment is successfully switched. And the source entity base station updates the list information of the control forwarding entity and releases the resources occupied by the user equipment in the source virtual base station. And the control forwarding entity of the source entity base station sends the updating information to the source virtual operator server, and the virtual operator server updates the virtual network list information after receiving the updating information.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example two
An embodiment of the present invention provides a handover method, as shown in fig. 5, where the handover method includes:
step 201, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that an execution subject of the handover method provided in the embodiment of the present invention may be a source entity base station, that is, a current base station of the user equipment, where the source entity base station supports virtualization, that is, a base station supporting virtualization, as shown in fig. 1, the base station supporting virtualization can be virtualized into multiple virtual base stations with isolation, and each virtual base station can simultaneously and independently serve multiple virtual operators.
Specifically, as shown in fig. 6, the source physical base station obtains a measurement report sent by the user equipment, where the measurement report may carry at least measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 202, determining that the user equipment performs switching between different virtual base stations in the same entity base station according to the measurement report, determining the target virtual base station according to resource utilization conditions, applying for resource admission to a virtual control management system corresponding to the target virtual base station, and allocating resources for the user equipment by the target virtual base station.
Specifically, as shown in fig. 6, a source physical base station determines, according to measurement information such as RSRP of a cell peripheral base station in which the user equipment is located, that the user equipment performs switching between different virtual base stations in the same physical base station, and applies for resource admission to a virtual control management system corresponding to a target virtual base station in the same physical base station, and after the application is successful, the target virtual base station allocates resources to the user equipment.
Step 203, sending a switching instruction to the ue, where the switching instruction is used to instruct the ue to perform switching and update a tcp configuration.
Specifically, as shown in fig. 6, the source entity base station sends a switching instruction to the user equipment, and the user equipment performs switching and updates the configuration of the transmission control protocol after receiving the switching instruction. And the user equipment receives the switching instruction, performs switching and updating transmission control protocol configuration, and sends a configuration completion message to the source entity base station after the updating transmission control protocol configuration is completed.
And 204, receiving a configuration completion message sent by the user equipment, wherein the configuration completion message is used for indicating that the user equipment is successfully switched.
Specifically, as shown in fig. 6, the source entity base station receives a configuration completion message sent by the user equipment, where the configuration completion message indicates that the user equipment is successfully switched.
And step 205, updating the list information of the control forwarding entity, and releasing the resources occupied by the user equipment in the source virtual base station.
Specifically, as shown in fig. 6, the source entity base station updates the list information of the control forwarding entity, and the source entity base station releases the resource occupied by the user equipment in the source virtual base station. Wherein, a bearer-based control forwarding entity is integrated in each entity base station, and the control forwarding entity is configured to maintain different virtual network bearer lists served by the entity base station, where the bearer list information at least includes: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
Step 206, sending update information to the source virtual operator server, where the update information is used to instruct the source virtual operator server to update the virtual network list information.
Specifically, as shown in fig. 6, the control forwarding entity of the source entity base station sends the update information to the source virtual operator server, and the virtual operator server updates the virtual network list information after receiving the update information. Maintaining a virtual base station information list in the virtual operator server, wherein the virtual base station information list comprises: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
And step 207, receiving an update success message sent by the virtual operator server.
Specifically, as shown in fig. 6, after the virtual operator server updates the virtual network list information, the virtual operator server sends an update success message to the entity base station, and the entity base station receives the update success message sent by the virtual operator server.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE III
An embodiment of the present invention provides a handover method, as shown in fig. 7, where the handover method includes:
step 301, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that an execution subject of the handover method provided in the embodiment of the present invention is a source entity base station, that is, a current base station of the user equipment, and the source entity base station supports virtualization, that is, a base station supporting virtualization, as shown in fig. 1, the base station supporting virtualization can be virtualized into multiple virtual base stations with isolation, and each virtual base station can simultaneously and independently serve multiple virtual operators.
Specifically, a source entity base station acquires a measurement report sent by user equipment, where the measurement report carries measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 302, determining that the user equipment performs handover of different virtual base stations between different entity base stations according to the measurement report.
Specifically, the source physical base station determines that the user equipment performs switching of different virtual base stations between different physical base stations according to measurement information such as RSRP of a cell surrounding the cell where the user equipment is located.
Step 303, sending a request message, where the request message is used to instruct to determine the target virtual base station.
In one possible implementation manner, a source entity base station sends a first handover request to a first target entity base station, and the first target entity base station determines a first target virtual base station.
Another possible implementation manner is that a source Entity base station sends a handover preparation request to a first Mobility Management Entity (MME), the first MME sends a second handover request to a second target Entity base station, and the second target Entity base station determines a second target virtual base station.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example four
An embodiment of the present invention provides a handover method, as shown in fig. 8, where the handover method includes:
step 401, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is the source physical base station, that is, the current base station of the user equipment, and the source physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 9, the source physical base station obtains a measurement report sent by the user equipment, where the measurement report may carry measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 402, determining that the user equipment performs switching of different virtual base stations between different entity base stations according to the measurement report.
Specifically, as shown in fig. 9, the source physical base station determines, according to measurement information such as RSRP of a base station around a cell where the user equipment is located, that the user equipment performs handover between different physical base stations.
Step 403, sending a first handover request to a first target entity base station, where the first handover request is used to instruct the first target entity base station to determine a first target virtual base station.
Specifically, as shown in fig. 9, the source entity base station sends a first handover request to the first target entity base station, the first target entity base station receives the first handover request, determines the first target virtual base station according to the resource utilization condition, and applies for resource admission to the first target virtual base station, and after the application is successful, the first target virtual base station allocates resources to the user equipment. Then, the first target entity base station sends a switching response message to the source entity base station.
Step 404, receiving a handover response message sent by the first target entity base station.
Specifically, as shown in fig. 9, a source entity base station receives a handover response message sent by the first target entity base station, where the handover response message indicates that the first target virtual base station has allocated resources for the user equipment.
Step 405, sending a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and protocol configuration.
Specifically, as shown in fig. 9, the source entity base station sends a handover instruction to the user equipment, the user equipment receives the handover instruction, completes handover and protocol configuration, and sends a handover and configuration completion message to the first target entity base station after completing the handover and protocol configuration. The first target entity base station sends a request for updating the data channel node address to the MME, the MME updates the data channel node address after receiving the request, and the MME successfully updates the data channel node address and sends a success message to the first target entity base station.
The first target entity base station updates the list information of the control forwarding entity, the control forwarding entity of the target base station sends update information to a first virtual operator B server of the first target virtual base station, and the first virtual operator B server updates the list information of the virtual network after receiving the update information and sends a successful update message to the first target entity base station. And after receiving the update success message sent by the first target virtual operator B server, the first target entity base station sends a first switching completion message to the source entity base station.
And step 406, receiving a first handover complete message sent by the first target entity base station.
Specifically, as shown in fig. 9, the source physical base station receives a first handover complete message sent by the first target physical base station.
Step 407, updating the control forwarding entity list information, and releasing the resources occupied by the user equipment in the source virtual base station.
Specifically, as shown in fig. 9, the source entity base station updates the list information of the control forwarding entity, and releases the resource occupied by the user equipment in the source virtual base station. Wherein, a bearer-based control forwarding entity is integrated in each entity base station, and the control forwarding entity is configured to maintain different virtual network bearer lists served by the entity base station, where the bearer list information at least includes: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
Step 408, sending first update information to the source virtual operator server, where the first update information indicates that the source virtual operator server updates the virtual network list information.
Specifically, as shown in fig. 9, the source entity base station controls the forwarding entity to send first update information to the source virtual operator a server of the source virtual base station, and the source virtual operator a server updates the virtual network list information after receiving the first update information. Wherein, maintain a virtual base station information list in the virtual operator server, the virtual base station information list includes: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
And step 409, receiving a first update success message sent by the source virtual operator server.
Specifically, as shown in fig. 9, the source entity base station receives the update success information fed back by the source virtual operator a server, that is, the first update success message.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE five
An embodiment of the present invention provides a handover method, as shown in fig. 10, where the handover method includes:
step 501, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is the source physical base station, that is, the current base station of the user equipment, and the source physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 11, the source physical base station obtains a measurement report sent by the user equipment, where the measurement report may carry measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 502, determining that the user equipment performs switching of different virtual base stations between different entity base stations according to the measurement report.
Specifically, the source physical base station determines, according to RSRP of a base station around a cell where the user equipment is located, that the user equipment performs switching of different virtual base stations between different physical base stations.
Step 503, sending a handover preparation request to a first mobility management entity MME, sending a second handover request to a second target entity base station by the first MME, and determining a second target virtual base station by the second target entity base station.
Specifically, as shown in fig. 11, a source entity base station sends a handover preparation request to a first MME, the first MME sends a second handover request to a second target entity base station after receiving the handover preparation request, the second target entity base station determines a second target virtual base station according to a resource utilization condition after receiving the second handover request, and applies for resource admission to the second target virtual base station, and after the application is successful, the second virtual base station allocates resources to the user equipment.
And the second target entity base station feeds back a switching response message to the first MME, and the first MME sends a switching instruction to the user equipment to indicate the user equipment switching and protocol configuration after receiving the switching response message. And after the switching and the protocol configuration are completed, the user equipment sends a switching and configuration completion message to the first MME.
And the second target entity base station receives the configuration completion message and sends a request for updating the data channel node address to the first MME. And the first MME receives the request for updating the data channel node address, updates the data channel node address, and successfully updates the data channel node address and sends a success message to the second target base station.
And the second target entity base station updates the control forwarding entity list information, and then the second target entity base station controls the forwarding entity to send the update information to a second virtual operator B server of the second target virtual base station. And the second target virtual operator B server receives the updating information, updates the virtual network list information and sends an updating success message to the second target base station. And after receiving the update success message, the second target entity base station sends switching completion feedback to the first MME. And after receiving the switching completion feedback, the first MME sends a second switching completion message to the source entity base station.
Step 504, receiving a second handover complete message sent by the first MME, where the second handover complete message is used to indicate that the handover of the second target entity base station is complete.
Specifically, as shown in fig. 11, the source entity base station receives a second handover complete message sent by the first MME, indicates that the handover of the second target entity base station is complete, and requests the source entity base station to release the resource occupied by the user equipment in the source virtual base station.
And 505, updating the control forwarding entity list information, and releasing the resources occupied by the user equipment in the source virtual base station.
Specifically, as shown in fig. 11, the source entity base station updates the list information of the control forwarding entity, and releases the resource occupied by the user equipment in the source virtual base station. Wherein, a bearer-based control forwarding entity is integrated in each entity base station, and the control forwarding entity is configured to maintain different virtual network bearer lists served by the entity base station, where the bearer list information at least includes: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
Step 506, sending second update information to the source virtual operator server, where the second update information indicates that the source virtual operator server updates the virtual network list information.
Specifically, as shown in fig. 11, the source entity base station controls the forwarding entity to send the second update information to the virtual operator a server of the source virtual base station, and the source virtual operator a server updates the virtual network list information after receiving the second update information. Wherein, maintain a virtual base station information list in the virtual operator server, the virtual base station information list includes: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
And 507, receiving a second update success message sent by the source virtual operator server.
Specifically, as shown in fig. 11, the source entity base station receives the update success information fed back by the source virtual operator a server, that is, the second update success message.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE six
An embodiment of the present invention provides a handover method, as shown in fig. 12, where the handover method includes:
step 601, receiving a measurement report sent by user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is the source physical base station, that is, the current base station of the user equipment, and the source physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, the source entity base station obtains a measurement report sent by the user equipment, where the measurement report may carry measurement information such as reference signal received power, RSRP, of base stations around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 602, determining that the user equipment performs handover of different virtual base stations between different entity base stations in the same virtual network according to the measurement report.
Specifically, the source physical base station determines, according to measurement information such as RSRP of a cell peripheral base station in which the user equipment is located, that the user equipment performs switching of different virtual base stations between different physical base stations in the same virtual network.
Step 603, sending the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one of the target entity base stations.
Specifically, the source entity base station sends the measurement report to a virtual operator server, and the virtual operator server takes the virtual base station with the lowest frequency band resource utilization rate occupied by the measurement report as a target virtual base station and takes the host base station thereof as a target base station, namely the target entity base station.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE seven
An embodiment of the present invention provides a handover method, as shown in fig. 13, where the handover method includes:
step 701, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is the source physical base station, that is, the current base station of the user equipment, and the source physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 14, the source physical base station obtains a measurement report sent by the user equipment, where the measurement report may carry measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 702, determining that the user equipment performs switching of different virtual base stations between different entity base stations in the same virtual network according to the measurement report.
Specifically, as shown in fig. 14, a source physical base station determines, according to RSRP of a base station around a cell where the user equipment is located, that the user equipment performs handover between different physical base stations in the same virtual network.
And 703, sending the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one of target entity base stations.
Specifically, as shown in fig. 14, the source physical base station sends the measurement report to the virtual operator server, and the virtual operator server selects the virtual base station occupying the lowest frequency band resource utilization rate in the virtual network information list according to the measurement report as the target virtual base station and uses the host base station as the target base station, that is, the target physical base station. And the virtual operator server sends the information of the target entity base station to the source entity base station.
Step 704, receiving the information of the target entity base station sent by the virtual operator server.
Specifically, as shown in fig. 14, the source physical base station receives the information of the target physical base station sent by the virtual operator server, where the information of the target physical base station may include an ID of the target physical base station, and the like.
Step 705, sending a handover request to the target entity base station, where the handover request is used to instruct the target entity base station to apply for resource admission to a target virtual base station.
Specifically, as shown in fig. 14, the source entity base station sends a handover request to the target entity base station, the target entity base station receives the handover request, applies for resource admission to the target virtual base station, and after the application is successful, the target virtual base station allocates resources to the user equipment.
Step 706, receiving the handover response message sent by the target entity base station.
Specifically, as shown in fig. 14, the source entity base station receives a handover response message sent by the target entity base station, where the handover response message indicates that the target virtual base station has allocated resources for the user equipment.
Step 707, sending a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and protocol configuration.
Specifically, as shown in fig. 14, the source enb sends a handover instruction to the ue, where the handover instruction instructs the ue to perform handover and protocol configuration, the ue sends handover and configuration completion feedback to the target enb, the target enb sends a data channel node address update request to the MME after receiving the handover and configuration completion feedback, the MME updates the data channel node address after receiving the data channel node address update request, and then the MME successfully updates the data channel node address and sends a successful feedback to the target enb.
Step 708, receiving a first handover complete message sent by the target entity base station.
Specifically, as shown in fig. 14, after the target entity base station updates the control forwarding entity list information, a first handover complete message is sent to the source entity base station, and the source entity base station receives the first handover complete message.
Step 709, updating the control forwarding entity list information, and releasing the resources occupied by the user equipment in the source virtual base station.
Specifically, as shown in fig. 14, the source entity base station updates the list information of the control forwarding entity, and releases the resource occupied by the user equipment in the source virtual base station.
Step 710, sending first update information to a virtual operator server, where the first update information is used to instruct the virtual operator server to update virtual network list information.
Specifically, as shown in fig. 14, the source entity base station controls the forwarding entity to send the first update information to the virtual operator server of the source virtual base station, and the virtual operator server updates the virtual network list information after receiving the first update information. Wherein, maintain a virtual base station information list in the virtual operator server, the virtual base station information list includes: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
And 711, receiving a first update success message sent by the virtual operator server.
Specifically, as shown in fig. 14, the source entity base station receives the update success information fed back by the virtual operator server, that is, the first update success message.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example eight
An embodiment of the present invention provides a handover method, as shown in fig. 15, where the handover method includes:
step 801, receiving a measurement report sent by a user equipment, where the measurement report carries measurement information of a base station around the user equipment.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is the source physical base station, that is, the current base station of the user equipment, and the source physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 16, the source physical base station obtains a measurement report sent by the user equipment, where the measurement report may carry measurement information such as reference signal received power RSRP of a base station around the user equipment.
Further, before the receiving the measurement report sent by the user equipment, the handover method further includes:
and sending a measurement control signaling to the user equipment, and receiving a measurement configuration completion message sent by the user equipment.
Step 802, determining that the user equipment performs switching of different virtual base stations between different entity base stations in the same virtual network according to the measurement report.
Specifically, as shown in fig. 16, the source physical base station determines, according to measurement information such as RSRP of a base station around a cell where the user equipment is located, that the user equipment performs handover between different physical base stations in the same virtual network.
Step 803, sending the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one virtual base station in target entity base stations.
Specifically, as shown in fig. 16, the source physical base station sends the measurement report to the virtual operator server, and the virtual operator server selects the virtual base station occupying the lowest frequency band resource utilization rate in the virtual network information list according to the measurement report as the target virtual base station, and uses the host base station of the target virtual base station as the target base station, that is, the target physical base station. The virtual operator server informs the MME about the target entity base station information.
Specifically, after receiving information about a target entity base station, an MME sends a handover request to the target entity base station; after receiving the switching request, the target entity base station applies for resource admission to the target virtual base station, after the application is successful, the target virtual base station allocates resources for the user equipment, and then the target entity base station feeds back a switching response message to the MME; after receiving the switching response message, the MME sends a switching signaling to the user equipment to indicate the user equipment switching and protocol configuration; and after the user equipment receives the switching signaling, switching and protocol configuration are carried out, and after the protocol configuration is finished, a switching and configuration finishing message is sent to the target entity base station. After receiving the configuration completion message, the target entity base station sends a request for updating the data channel node address to the MME, and the MME updates the data channel node address; and the MME successfully updates the data channel node address and sends a success message to the target entity base station.
Step 804, receiving a second handover complete message sent by the MME, where the second handover complete message is used to indicate that the target entity base station is completed in handover.
Specifically, as shown in fig. 16, after the target entity base station updates the control forwarding entity list information, a second handover completion message is sent to the MME, and the source entity base station receives the second handover completion message sent by the MME and requests to release the resource occupied by the user equipment in the source virtual base station.
Step 805, updating the control forwarding entity list information, and releasing the resources occupied by the user equipment in the source virtual base station.
Specifically, as shown in fig. 16, the source entity base station updates the list information of the control forwarding entity, and releases the resource occupied by the user equipment in the source virtual base station. Wherein, a bearer-based control forwarding entity is integrated in each entity base station, and the control forwarding entity is configured to maintain different virtual network bearer lists served by the entity base station, where the bearer list information at least includes: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
Step 806, sending second update information to the virtual operator server, where the second update information is used to instruct the virtual operator server to update the virtual network list information.
Specifically, as shown in fig. 16, the source entity base station forwarding entity sends update information to the virtual operator server of the virtual base station; the virtual operator server updates the virtual network list information.
Step 807, receiving a second update success message sent by the virtual operator server.
Specifically, as shown in fig. 16, the source entity base station receives the update success information fed back by the virtual operator server, that is, the second update success message.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example nine
An embodiment of the present invention provides a handover method, as shown in fig. 17, where the handover method includes:
step 901, receiving a first handover request sent by a first source entity base station.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is a target physical base station, that is, a base station after the user equipment is handed over, and the target physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 18, after determining that the ue performs handover between different virtual base stations, the first source physical base station sends a first handover request to the target physical base station, and the target physical base station receives the first handover request.
Step 902, determining a first target virtual base station, applying for resource admission to the first target virtual base station, and allocating resources for the user equipment by the first target virtual base station after the application is successful.
Specifically, as shown in fig. 18, the target entity base station determines a first target virtual base station according to the resource utilization condition, applies for resource admission to the first target virtual base station, and allocates resources to the user equipment by the first target virtual base station after the application is successful.
Step 903, sending a first handover response message to the first source entity base station.
Specifically, as shown in fig. 18, the target entity base station sends a first handover response message to the first source entity base station, where the first handover response message indicates that the first target virtual base station has allocated resources for the user equipment.
Step 904, receiving a first configuration completion message sent by the user equipment, where the first configuration completion message is used to indicate that the handover configuration is completed.
Specifically, as shown in fig. 18, the first source entity base station sends a handover instruction to the user equipment, and instructs the user equipment to perform handover and protocol configuration. And after the user equipment switching and the protocol configuration are finished, sending a switching and configuration finishing message to the target entity base station, and receiving the switching and configuration finishing message, namely a first configuration finishing message by the target entity base station.
Step 905, sending a first update data channel node address request to the first MME, where the first update data channel node address request is used to instruct the first MME to update the data channel node address.
Specifically, as shown in fig. 18, the target entity base station sends a request for updating the data channel node address to the first MME, the first MME updates the data channel node address after receiving the request, and the first MME successfully updates the data channel node address and sends a success message to the target entity base station.
Step 906, receiving a first successful update data channel node address message sent by the first MME.
Specifically, as shown in fig. 18, the target entity base station receives the first successful update data channel node address message sent by the first MME.
Step 907, updating the control forwarding entity list information.
Specifically, as shown in fig. 18, the target entity base station updates control forwarding entity list information, where a bearer-based control forwarding entity is integrated in each entity base station, and the control forwarding entity is configured to maintain different virtual network bearer lists served by the entity base station, where the bearer list information at least includes: virtual network ID, virtual network priority, IP source address, destination address, protocol, etc.
Step 908, sending first update information to a first target virtual operator server, the first update information being used to instruct the first target virtual operator server to update virtual network list information.
Specifically, as shown in fig. 18, the target entity base station sends first update information to the first target virtual operator B server, where the first update information is used to instruct the first target virtual operator B server to update the virtual network list information. And maintaining a virtual base station information list in the virtual operator server, wherein each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the frequency band resource utilization condition occupied by the virtual base station.
And step 909, receiving a first update success message sent by the first target virtual operator server.
Specifically, as shown in fig. 18, the target entity base station receives the first update success message sent by the first target virtual operator B server.
Step 910, sending a first handover complete message to the first source physical base station.
Specifically, as shown in fig. 18, the target physical base station sends a first handover complete message to the first source physical base station.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example ten
An embodiment of the present invention provides a handover method, as shown in fig. 19, where the handover method includes:
step 1001, receiving a second handover request sent by the second MME.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is a target physical base station, that is, a base station after the user equipment is handed over, and the target physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 20, after determining that the ue performs handover between different virtual bss in different entity bss, the source entity bs sends a handover preparation request to the second MME, and after receiving the second handover preparation request, sends a second handover request, and the target entity bs receives the second handover request.
Step 1002, determining a second target virtual base station, applying for resource admission to the second target virtual base station, and allocating resources for the user equipment by the second target virtual base station after the application is successful.
Specifically, as shown in fig. 20, the target entity base station determines a second target virtual base station according to the resource utilization condition, applies for resource admission to the second target virtual base station, and allocates resources to the user equipment by the second target virtual base station after the application is successful.
Step 1003, sending a second handover response message to the second MME.
Specifically, as shown in fig. 20, the target entity base station sends a second handover response message to the second MME, and after receiving the second handover response message, the second MME sends a handover instruction to the user equipment to indicate user equipment handover and protocol configuration; and after receiving the switching instruction, the user equipment carries out switching and protocol configuration, and after completing the configuration, the user equipment sends a switching and configuration completion message to the target entity base station.
Step 1004, receiving a second configuration completion message sent by the ue, where the second configuration completion message is used to indicate that the handover configuration is completed.
Specifically, as shown in fig. 20, the target entity base station receives a second configuration completion message sent by the ue, and indicates that the ue completes the handover configuration.
Step 1005, sending a second update data tunnel node address request to the second MME, where the second update data tunnel node address request is used to instruct the second MME to update the data tunnel node address.
Specifically, as shown in fig. 20, after receiving the second configuration completion message, the target entity base station sends a second data channel node address updating request to the second MME, where the second MME updates the data channel node address and sends a second successful data channel node address updating message.
Step 1006, receiving a second successful update data channel node address message sent by the second MME.
Specifically, as shown in fig. 20, the target entity base station receives the second successful update data tunnel node address message sent by the second MME.
And step 1007, updating the control forwarding entity list information.
Specifically, as shown in fig. 20, the target entity base station updates the control forwarding entity list information.
Step 1008, sending second update information to a second target virtual operator server, the second update information being used to instruct the second target virtual operator server to update the virtual network list information.
Specifically, as shown in fig. 20, the target entity bs sends the second update information to the second target virtual operator B server, and the second target virtual operator B server receives the second update information, updates the virtual network list information, and sends the second update success message. Wherein, maintain a virtual base station information list in the virtual operator server, the virtual base station information list includes: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
And step 1009, receiving a second update success message sent by the second target virtual operator server.
Specifically, as shown in fig. 20, the target entity base station receives the second update success message sent by the second target virtual operator B server.
Step 1010, sending a second handover complete message to the second MME.
Specifically, as shown in fig. 20, the target enb sends a second handover complete message to the second MME.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE eleven
An embodiment of the present invention provides a handover method, as shown in fig. 21, where the handover method includes:
step 1101, receiving a third handover request sent by a second source entity base station, where the third handover request carries information of a third target virtual base station, and applying for resource admission to the third target virtual base station, and after the application is successful, allocating resources for the user equipment by the third target virtual base station.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is a target physical base station, that is, a base station after the user equipment is handed over, and the target physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 22, the second source physical base station determines, according to the measurement report, that the ue performs switching between different physical base stations in the same virtual network, and sends the measurement report to the virtual operator server, and the virtual operator server selects, according to the measurement report, a virtual base station occupying the lowest frequency band resource utilization rate in the virtual network information list as a target virtual base station and uses its host base station as a target base station; and informing a second source entity base station of entity information of the target base station, a third switching request sent by the second source entity base station, and receiving the third switching request by the target entity base station, wherein the third switching request carries the information of a third target virtual base station and applies for resource admission to the third target virtual base station, and after the application is successful, the third target virtual base station allocates resources for the user equipment.
Step 1102, sending a third handover response message to the second source entity base station.
Specifically, as shown in fig. 22, the target entity base station sends a third handover response message to the second source entity base station, where the third handover response message indicates that the third target virtual base station has allocated resources for the user equipment.
Step 1103, receiving a third configuration completion message sent by the user equipment.
Specifically, as shown in fig. 22, the second source entity base station sends a switching instruction to the user equipment, where the switching instruction instructs the user equipment to perform switching and protocol configuration, and after the user equipment switching and protocol configuration are completed, a third configuration completion message is sent, and the target entity base station receives the third configuration completion message sent by the user equipment.
Step 1104, sending a third update data tunnel node address request to a third MME, where the third update data tunnel node address request is used to instruct the third MME to update a data tunnel node address.
Specifically, as shown in fig. 22, the target entity base station sends a third update data channel node address request to the third MME; the third MME receives a third updating data channel node address request and updates the data channel node address; and the third MME successfully updates the data channel node address and sends a successful feedback to the target entity base station.
Step 1105, receiving a third successful update data channel node address message sent by the third MME.
Specifically, as shown in fig. 22, the target entity base station receives the third successful update data channel node address message sent by the third MME.
And step 1106, updating the control forwarding entity list information.
Specifically, as shown in fig. 22, the target entity base station updates the control forwarding entity list information.
And step 1107, sending a third handover completion message to the second source entity base station.
Specifically, as shown in fig. 22, the third handover complete message sent by the target physical base station is sent to the second source physical base station.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example twelve
An embodiment of the present invention provides a handover method, as shown in fig. 23, where the handover method includes:
step 1201, receiving a fourth handover request sent by a fourth MME, where the fourth handover request carries information of a fourth target virtual base station, and applying for resource admission to the fourth target virtual base station, and after the application is successful, allocating resources for the user equipment by the fourth target virtual base station.
It should be noted that the main execution body of the handover method provided in the embodiment of the present invention is a target physical base station, that is, a base station after the user equipment is handed over, and the target physical base station supports virtualization, that is, a base station supporting virtualization.
Specifically, as shown in fig. 24, the measurement report of the source physical base station determines that the ue performs handover between different physical base stations in the same virtual network, and sends the measurement report to the virtual operator server, and the virtual operator server selects a virtual base station with the lowest occupied bandwidth resource utilization rate in the virtual network information list according to the measurement report sent by the source physical base station as a target virtual base station, and uses a host base station of the target virtual base station as a target base station, that is, a target physical base station. The virtual operator server informs a fourth MME about the information of the target entity base station, and the fourth MME sends a fourth switching request to the target entity base station after receiving the information about the target entity base station; and the target entity base station receives a fourth switching request sent by a fourth MME, wherein the fourth switching request carries information of a fourth target virtual base station and applies for resource admission to the fourth target virtual base station, and the fourth target virtual base station allocates resources for the user equipment after the application is successful.
Step 1202, sending a fourth handover response message to the fourth MME.
Specifically, as shown in fig. 24, the target entity base station feeds back a handover response message to the fourth MME, that is, sends the fourth handover response message to the fourth MME. After receiving the fourth switching response message, the fourth MME sends a switching instruction to the user equipment to indicate the user equipment switching and protocol configuration; and after receiving the switching instruction, the user equipment carries out switching and protocol configuration, and after completing the configuration, the user equipment sends a switching and configuration completion message to the target entity base station.
Step 1203, receiving a fourth configuration completion message sent by the user equipment.
Specifically, as shown in fig. 24, the target entity base station receives a fourth configuration completion message sent by the user equipment, where the fourth configuration completion message indicates that the user equipment completes the handover configuration.
Step 1204, sending a fourth update data channel node address request to the fourth MME, where the fourth update data channel node address request is used to instruct the fourth MME to update the data channel node address.
Specifically, as shown in fig. 24, after receiving the configuration completion message, the target entity base station sends a fourth data channel node address updating request to the fourth MME, where the fourth MME updates the data channel node address and sends a fourth successful data channel node address updating message.
Step 1205, receiving a fourth successful update data channel node address message sent by the fourth MME.
Specifically, as shown in fig. 24, the target entity base station receives a fourth successful update data channel node address message sent by the fourth MME.
Step 1206, updating the control forwarding entity list information.
Specifically, the target entity base station updates the list information of the control forwarding entity.
Step 1207, sending a fourth handover complete message to the fourth MME.
Specifically, as shown in fig. 24, the target enb sends a fourth handover complete message to the fourth MME, where the fourth handover complete message indicates that the handover is complete.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
EXAMPLE thirteen
An embodiment of the present invention provides a handover method, as shown in fig. 25, the method includes:
step 1301, receiving a measurement report sent by a source entity base station, and determining a target virtual base station according to the measurement report.
It should be noted that an execution subject of the handover method provided in the embodiment of the present invention is a virtual operator server, where the virtual operator server is used for authentication management, personality configuration, mobility management, security management, charging management, and the like of a virtual base station covered by a virtual network, and may also be used for customizing a data transmission protocol in the virtual network. Maintaining a virtual base station information list in the virtual operator server, wherein the virtual base station information list comprises: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
Specifically, the virtual operator server selects a virtual base station occupying the lowest frequency band resource utilization rate in a virtual network information list according to the measurement report as a target virtual base station, and uses a host base station of the target virtual base station as a target entity base station.
Step 1302, receiving the update information sent by the source entity base station, and updating the virtual network list information.
Specifically, the virtual operator server receives the update information sent by the source entity base station, and updates the virtual network list information.
And step 1303, sending an update success message to the source entity base station.
Specifically, the virtual operator server sends an update success message to the source entity base station.
The switching method provided by the embodiment of the invention virtualizes the entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, thereby realizing the switching between the virtual base stations and fully utilizing the resources of the existing mobile wireless network.
Example fourteen
An embodiment of the present invention provides a base station 1, as shown in fig. 26, where the base station 1 includes: a first receiving unit 10, a first determining unit 11; wherein,
the first receiving unit 10 is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the first determining unit 11 is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in the same physical base station, and further determine a target virtual base station.
Further, the first determining unit 11 is configured to determine, according to the measurement report, that the user equipment performs switching between different virtual base stations in the same entity base station, apply resource admission to a virtual control management system corresponding to the target virtual base station, and allocate resources to the user equipment by the target virtual base station.
Further, as shown in fig. 27, the base station further includes:
a first sending unit 12, configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and update a tcp configuration;
the first receiving unit 10 is configured to receive a configuration completion message sent by the ue, where the configuration completion message is used to indicate that the ue is successfully switched.
Further, as shown in fig. 27, the base station further includes:
a first updating unit 13, configured to update the list information of the control forwarding entity, and release the resource occupied by the user equipment in the source virtual base station;
the first sending unit 12 is configured to send update information to a source virtual operator server, where the update information is used to instruct the source virtual operator server to update virtual network list information;
the first receiving unit 10 is configured to receive an update success message sent by the virtual operator server.
Specifically, the base station provided in the embodiment of the present invention may be a base station supporting virtualization, and the working process and the working principle of each unit of the base station refer to the description in each method embodiment described above, which is not described herein again.
In practical applications, the first receiving unit 10, the first determining unit 11, the first sending unit 12, and the first updating unit 13 may be implemented by a Central Processing Unit (CPU), a Microprocessor (MPU), a Digital Signal Processor (DSP), a Field Programmable Gate Array (FPGA), or the like located on the base station.
The embodiment of the invention provides a base station, which virtualizes an entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, so that switching between the virtual base stations can be realized, and resources of the existing mobile wireless network can be fully utilized.
Example fifteen
An embodiment of the present invention provides a base station 2, and as shown in fig. 28, the base station 2 includes: a second receiving unit 20, a second determining unit 21, and a second transmitting unit 22; wherein,
the second receiving unit 20 is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the second determining unit 21 is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in different physical base stations;
the second sending unit 22 is configured to send a request message, where the request message is used to instruct to determine a target virtual base station.
Further, the second sending unit 22 is configured to send a first handover request to the first target physical base station, where the first handover request is used to instruct the first target physical base station to determine the first target virtual base station.
Further, the second sending unit 22 is configured to send a handover preparation request to the first MME, send a second handover request to the second target physical base station by the first MME, and determine the second target virtual base station by the second target physical base station.
Further, as shown in fig. 29, the base station further includes: the second updating unit 23 is provided for updating the first,
the second receiving unit 20 is configured to receive a handover response message sent by the first target entity base station; the first target entity base station is also used for receiving a first switching completion message sent by the first target entity base station; the source virtual operator server is also used for receiving a first update success message sent by the source virtual operator server;
the second sending unit 22 is configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and protocol configuration; the network management server is further used for sending first updating information to a source virtual operator server, wherein the first updating information indicates that the source virtual operator server updates virtual network list information;
the second updating unit 23 is configured to update the list information of the control forwarding entity, and release the resource occupied by the user equipment in the source virtual base station.
Further, as shown in fig. 29, the base station further includes: the second updating unit 23 is provided for updating the first,
the second receiving unit 20 is configured to receive a second handover completion message sent by the first MME, where the second handover completion message is used to indicate that the handover of the second target entity base station is completed; the source virtual operator server is also used for receiving a second update success message sent by the source virtual operator server;
the second updating unit 23 is configured to update the list information of the control forwarding entity, and release the resource occupied by the user equipment in the source virtual base station;
the second sending unit 22 is configured to send second update information to the source virtual operator server, where the second update information indicates that the source virtual operator server updates the virtual network list information.
Specifically, the base station provided in the embodiment of the present invention may be a base station supporting virtualization, and the working process and the working principle of each unit of the base station refer to the description in each method embodiment described above, which is not described herein again.
In practical applications, the second receiving unit 20, the second determining unit 21, the second sending unit 22, and the second updating unit 23 may be implemented by a CPU, an MPU, a DSP, or an FPGA located on the base station.
The embodiment of the invention provides a base station, which virtualizes an entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, so that switching between the virtual base stations can be realized, and resources of the existing mobile wireless network can be fully utilized.
Example sixteen
An embodiment of the present invention provides a base station 3, as shown in fig. 30, where the base station 3 includes: a third receiving unit 30, a third determining unit 31, and a third transmitting unit 32; wherein,
the third receiving unit 30 is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the third determining unit 31 is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in the same virtual network;
the third sending unit 32 is configured to send the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one of target physical base stations.
Further, as shown in fig. 31, the base station further includes: the third updating unit 33 is provided for updating the data,
the third receiving unit 30 is configured to receive the information of the target entity base station sent by the virtual operator server; the base station is also used for receiving a switching response message sent by the target entity base station; the base station is also used for receiving a first switching completion message sent by the target entity base station; the first update success message is also used for receiving the first update success message sent by the virtual operator server;
the third sending unit 32 is configured to send a handover request to the target entity base station, where the first handover request is used to instruct the target entity base station to apply for resource admission to a target virtual base station; the first switching instruction is used for indicating the user equipment to carry out switching and protocol configuration; the first updating information is used for indicating the virtual operator server to update the virtual network list information;
the third updating unit 33 is configured to update the list information of the control forwarding entity, and release the resource occupied by the user equipment in the source virtual base station.
Further, as shown in fig. 31, the base station further includes: the third updating unit 33 is provided for updating the data,
the third receiving unit 30 is configured to receive a second handover complete message sent by the MME, where the second handover complete message is used to indicate that the target entity base station is completed in handover; the virtual operator server is also used for receiving a second update success message sent by the virtual operator server;
the third updating unit 33 is configured to update the list information of the forwarding control entity, and release the resource occupied by the user equipment in the source virtual base station;
the third sending unit 32 is configured to send second update information to the virtual operator server, where the second update information is used to instruct the virtual operator server to update the virtual network list information.
Specifically, the base station provided in the embodiment of the present invention may be a base station supporting virtualization, and the working process and the working principle of each unit of the base station refer to the description in each method embodiment described above, which is not described herein again.
In practical applications, the third receiving unit 30, the third determining unit 31, the third sending unit 32, and the third updating unit 33 may be implemented by a CPU, an MPU, a DSP, or an FPGA located on the base station.
The embodiment of the invention provides a base station, which virtualizes an entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, so that switching between the virtual base stations can be realized, and resources of the existing mobile wireless network can be fully utilized.
Example seventeen
An embodiment of the present invention provides a base station 4, as shown in fig. 32, where the base station 4 includes: a fourth receiving unit 40, a fourth determining unit 41; wherein,
the fourth receiving unit 40 is configured to receive a handover request;
the fourth determining unit 41 is configured to determine a target virtual base station.
Optionally, the fourth receiving unit 40 is configured to receive a first handover request sent by a first source entity base station;
the fourth determining unit 41 is configured to determine a first target virtual base station, apply resource admission to the first target virtual base station, and allocate resources to the user equipment by the first target virtual base station after the resource admission is successfully applied.
Optionally, the fourth receiving unit 40 is configured to receive a second handover request sent by a second MME;
the fourth determining unit 41 is configured to determine a second target virtual base station, apply resource admission to the second target virtual base station, and allocate resources to the user equipment by the second target virtual base station after the application is successful.
Optionally, the fourth receiving unit 40 is configured to receive a third handover request sent by a second source entity base station, where the third handover request carries information of a third target virtual base station;
the fourth determining unit 41 is configured to apply for resource admission to the third target virtual base station, and allocate resources to the user equipment by the third target virtual base station after the application is successful.
Optionally, the fourth receiving unit 40 is configured to receive a fourth handover request sent by a fourth MME, where the fourth handover request carries information of a fourth target virtual base station;
the fourth determining unit 41 is configured to apply for resource admission to the fourth target virtual base station, and allocate resources to the user equipment by the fourth target virtual base station after the application is successful.
Further, as shown in fig. 33, the base station further includes: a fourth sending unit 42, a fourth updating unit 43,
the fourth sending unit 42 is configured to send a first handover response message to the first source entity base station; the first MME is also used for sending a first updating data channel node address request to the first MME, wherein the first updating data channel node address request is used for indicating the first MME to update the data channel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; the first source entity base station is also used for sending a first switching completion message to the first source entity base station;
the fourth receiving unit 40 is configured to receive a first configuration completion message sent by the ue, where the first configuration completion message is used to indicate that a handover configuration is completed; the first MME is also used for receiving a first successful update data channel node address message sent by the first MME; the first target virtual operator server is also used for receiving a first update success message sent by the first target virtual operator server;
the fourth updating unit 43 is configured to update the control forwarding entity list information.
Further, the base station further includes: a fourth sending unit 42, a fourth updating unit 43,
the fourth sending unit 42 is configured to send a second handover response message to the second MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update the data tunnel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; further configured to send a second handover complete message to the second MME;
the fourth receiving unit 40 is configured to receive a second configuration completion message sent by the ue, where the second configuration completion message is used to indicate that a handover configuration is completed; the second MME is also used for receiving a second success update data channel node address message sent by the second MME; the second target virtual operator server is also used for receiving a second update success message sent by the second target virtual operator server;
the fourth updating unit 43 is configured to update the control forwarding entity list information.
Further, the base station further includes: a fourth sending unit, a fourth updating unit,
the fourth sending unit 42 is configured to send a third handover response message to the second source entity base station; further configured to send a third update data tunnel node address request to a third MME, the third update data tunnel node address request being used to instruct the third MME to update a data tunnel node address; a third handover complete message is also sent to the second source entity base station;
the fourth receiving unit 40 is configured to receive a third configuration completion message sent by the user equipment; the third MME is also used for receiving a third successful update data channel node address message sent by the third MME;
the fourth updating unit 43 is configured to update the control forwarding entity list information.
Further, as shown in fig. 33, the base station further includes: a fourth sending unit 42, a fourth updating unit 43,
the fourth sending unit 42 is configured to send a fourth handover response message to the fourth MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update a data tunnel node address; further configured to send a fourth handover complete message to the fourth MME;
the fourth receiving unit 40 is configured to receive a fourth configuration completion message sent by the user equipment; the fourth MME is also used for receiving a fourth successful update data channel node address message sent by the fourth MME;
the fourth updating unit 43 is configured to update the control forwarding entity list information.
Specifically, the base station provided in the embodiment of the present invention may be a base station supporting virtualization, and the working process and the working principle of each unit of the base station refer to the description in each method embodiment described above, which is not described herein again.
In practical applications, the fourth receiving unit 40, the fourth determining unit 41, the fourth sending unit 42, and the fourth updating unit 43 may be implemented by a CPU, an MPU, a DSP, an FPGA, or the like located on the base station.
The embodiment of the invention provides a base station, which virtualizes an entity base station into a plurality of virtual base stations, and controls the virtual base stations through the entity base station, so that switching between the virtual base stations can be realized, and resources of the existing mobile wireless network can be fully utilized.
EXAMPLE eighteen
An embodiment of the present invention provides a server 5, as shown in fig. 34, where the server 5 includes: a receiving unit 50, a determining unit 51; wherein,
the receiving unit 50 is configured to receive a measurement report sent by a source physical base station;
the determining unit 51 is configured to determine a target virtual base station according to the measurement report.
Further, the determining unit 51 is configured to select a virtual base station occupying the lowest frequency band resource utilization rate in a virtual network information list according to the measurement report as a target virtual base station, and use a host base station of the target virtual base station as a target entity base station.
Further, as shown in fig. 35, the server further includes a sending unit 52, an updating unit 53,
the receiving unit 50 is configured to receive the update information sent by the source physical base station;
an updating unit 53 for updating the virtual network list information;
the sending unit 52 is configured to send an update success message to the source enb.
Specifically, the server provided in the embodiment of the present invention may be a virtual operator server, where the virtual operator server is used to maintain and manage a corresponding virtual network, and is specifically used for authentication management, personality configuration, mobility management, security management, charging management, and the like of a virtual base station covered by the virtual network, and may also be used to customize a data transmission protocol in the virtual network. Maintaining a virtual base station information list in the virtual operator server, wherein the virtual base station information list comprises: and each virtual base station ID in the virtual network, the entity base station ID corresponding to the virtual base station and the utilization condition of the frequency band resources occupied by the virtual base station.
The signaling interaction between the virtual operation server and the MME obtains statistics about the load on the virtual network through monitoring the MME, so that the charging management of a virtual operator is facilitated; mobility management of the virtual network is facilitated by information interaction with the MME about the source cell and the target cell.
Specifically, the working process and the working principle of each unit of the server provided in the embodiment of the present invention refer to the description in each method embodiment, and are not described herein again.
In practical applications, the receiving unit 50, the determining unit 51, the sending unit 52, and the updating unit 53 may be implemented by a CPU, an MPU, a DSP, or an FPGA located on a server.
The embodiment of the invention provides a server, which can fully utilize the resources of the existing mobile wireless network through the signaling interaction with a base station.
As will be appreciated by one skilled in the art, embodiments of the present invention may be provided as a method, system, or computer program product. Accordingly, the present invention may take the form of a hardware embodiment, a software embodiment, or an embodiment combining software and hardware aspects. Furthermore, the present invention may take the form of a computer program product embodied on one or more computer-usable storage media (including, but not limited to, disk storage, optical storage, and the like) having computer-usable program code embodied therein.
The present invention is described with reference to flowchart illustrations and/or block diagrams of methods, apparatus (systems), and computer program products according to embodiments of the invention. It will be understood that each flow and/or block of the flow diagrams and/or block diagrams, and combinations of flows and/or blocks in the flow diagrams and/or block diagrams, can be implemented by computer program instructions. These computer program instructions may be provided to a processor of a general purpose computer, special purpose computer, embedded processor, or other programmable data processing apparatus to produce a machine, such that the instructions, which execute via the processor of the computer or other programmable data processing apparatus, create means for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be stored in a computer-readable memory that can direct a computer or other programmable data processing apparatus to function in a particular manner, such that the instructions stored in the computer-readable memory produce an article of manufacture including instruction means which implement the function specified in the flowchart flow or flows and/or block diagram block or blocks.
These computer program instructions may also be loaded onto a computer or other programmable data processing apparatus to cause a series of operational steps to be performed on the computer or other programmable apparatus to produce a computer implemented process such that the instructions which execute on the computer or other programmable apparatus provide steps for implementing the functions specified in the flowchart flow or flows and/or block diagram block or blocks.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the scope of the present invention.
Claims (48)
1. A handover method, the handover method comprising:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
and determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, and determining a target virtual base station.
2. The handover method according to claim 1, wherein the determining that the ue performs handover between different virtual bss within the same physical bs according to the measurement report and determining a target virtual bs comprises:
and determining that the user equipment performs switching among different virtual base stations in the same entity base station according to the measurement report, determining the target virtual base station according to the resource utilization condition, applying for resource admission to a virtual control management system corresponding to the target virtual base station, and allocating resources for the user equipment by the target virtual base station.
3. The handover method according to claim 1 or 2, wherein after determining that the ue performs handover between different virtual bss within the same physical bs according to the measurement report and determining a target virtual bs, the handover method further comprises:
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to switch and update the configuration of a transmission control protocol;
and receiving a configuration completion message sent by the user equipment, wherein the configuration completion message is used for indicating that the user equipment is successfully switched.
4. The handover method according to claim 3, wherein after the receiving a configuration complete message sent by the ue, the configuration complete message indicating that the ue is successfully handed over, the handover method further comprises:
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending update information to a source virtual operator server, wherein the update information is used for indicating the source virtual operator server to update virtual network list information;
and receiving an update success message sent by the virtual operator server.
5. A handover method, the handover method comprising:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
determining that the user equipment performs switching of different virtual base stations between different entity base stations according to the measurement report;
and sending a request message, wherein the request message is used for indicating that the target virtual base station is determined.
6. The handover method according to claim 5, wherein the sending a request message, the request message being used for instructing to determine a target virtual base station, comprises:
sending a first handover request to a first target entity base station, wherein the first handover request is used for indicating the first target entity base station to determine a first target virtual base station.
7. The handover method according to claim 5, wherein the sending a request message, the request message being used for instructing to determine a target virtual base station, comprises:
sending a switching preparation request to a first Mobility Management Entity (MME), sending a second switching request to a second target entity base station by the first MME, and determining a second target virtual base station by the second target entity base station.
8. The handover method according to claim 6, wherein after the sending the first handover request to the first target entity base station, the handover method further comprises:
receiving a switching response message sent by the first target entity base station;
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to carry out switching and protocol configuration;
receiving a first handover completion message sent by the first target entity base station;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending first updating information to a source virtual operator server, wherein the first updating information indicates that the source virtual operator server updates virtual network list information;
and receiving a first update success message sent by the source virtual operator server.
9. The handover method according to claim 7, wherein after the sending the handover preparation request to the first MME, sending a second handover request to a second target physical base station by the first MME, and determining a second target virtual base station by the second target physical base station, further comprising:
receiving a second handover completion message sent by the first MME, wherein the second handover completion message is used for indicating that the handover of the second target entity base station is completed;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending second update information to a source virtual operator server, the second update information indicating that the source virtual operator server updates virtual network list information;
and receiving a second update success message sent by the source virtual operator server.
10. A handover method, the handover method comprising:
receiving a measurement report sent by user equipment, wherein the measurement report carries measurement information of base stations around the user equipment;
determining that the user equipment performs switching of different virtual base stations among different entity base stations in the same virtual network according to the measurement report;
and sending the measurement report to a virtual operator server, wherein the measurement report is used for indicating the virtual operator server to determine a target virtual base station, and the target virtual base station is one virtual base station in target entity base stations.
11. The handover method according to claim 10, wherein after said sending the measurement report to a virtual operator server, the handover method further comprises:
receiving the information of the target entity base station sent by the virtual operator server;
sending a switching request to the target entity base station, wherein the switching request is used for indicating the target entity base station to apply for resource admission to a target virtual base station;
receiving a switching response message sent by the target entity base station;
sending a switching instruction to the user equipment, wherein the switching instruction is used for indicating the user equipment to carry out switching and protocol configuration;
receiving a first switching completion message sent by the target entity base station;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending first updating information to a virtual operator server, wherein the first updating information is used for indicating the virtual operator server to update virtual network list information;
and receiving a first update success message sent by the virtual operator server.
12. The handover method according to claim 10, wherein after said sending the measurement report to a virtual operator server, the handover method further comprises:
receiving a second handover completion message sent by an MME, wherein the second handover completion message is used for indicating that the target entity base station is completed in handover;
updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station;
sending second update information to a virtual operator server, wherein the second update information is used for indicating the virtual operator server to update virtual network list information;
and receiving a second update success message sent by the virtual operator server.
13. A handover method, the handover method comprising:
and receiving a switching request and determining a target virtual base station.
14. The handover method according to claim 13, wherein the receiving a handover request and determining a target virtual base station comprises:
receiving a first switching request sent by a first source entity base station;
and determining a first target virtual base station, applying for resource admission to the first target virtual base station, and allocating resources for the user equipment by the first target virtual base station after the application is successful.
15. The handover method according to claim 13, wherein the receiving a handover request and determining a target virtual base station comprises:
receiving a second switching request sent by a second MME;
and determining a second target virtual base station, applying for resource admission to the second target virtual base station, and allocating resources for user equipment by the second target virtual base station after the application is successful.
16. The handover method according to claim 13, wherein the receiving a handover request and determining a target virtual base station comprises:
and receiving a third switching request sent by a second source entity base station, wherein the third switching request carries information of a third target virtual base station, applying for resource admission to the third target virtual base station, and allocating resources for the user equipment by the third target virtual base station after the application is successful.
17. The handover method according to claim 13, wherein the receiving a handover request and determining a target virtual base station comprises:
and receiving a fourth switching request sent by a fourth MME, wherein the fourth switching request carries information of a fourth target virtual base station, and applies for resource admission to the fourth target virtual base station, and the fourth target virtual base station allocates resources for the user equipment after the application is successful.
18. The handover method according to claim 14, wherein the determining a first target virtual base station and applying for resource admission to the first target virtual base station, and after the first target virtual base station allocates resources to the user equipment after the applying is successful, the handover method further comprises:
sending a first handover response message to the first source entity base station;
receiving a first configuration completion message sent by the user equipment, wherein the first configuration completion message is used for indicating that switching configuration is completed;
sending a first update data channel node address request to a first MME, wherein the first update data channel node address request is used for indicating the first MME to update a data channel node address;
receiving a first successful update data channel node address message sent by the first MME;
updating control forwarding entity list information;
sending first updating information to a first target virtual operator server, wherein the first updating information is used for indicating the first target virtual operator server to update virtual network list information;
receiving a first update success message sent by the first target virtual operator server;
and sending a first switching completion message to the first source entity base station.
19. The handover method according to claim 15, wherein after the determining a second target virtual base station and applying for resource admission to the second target virtual base station and allocating resources to the user equipment by the second target virtual base station after successful application, the handover method further comprises:
sending a second handover response message to the second MME;
receiving a second configuration completion message sent by the user equipment, wherein the second configuration completion message is used for indicating that switching configuration is completed;
sending a second update data channel node address request to the second MME, the second update data channel node address request being used to instruct the second MME to update a data channel node address;
receiving a second success update data channel node address message sent by the second MME;
updating control forwarding entity list information;
sending second update information to a second target virtual operator server, wherein the second update information is used for indicating the second target virtual operator server to update the virtual network list information;
receiving a second update success message sent by the second target virtual operator server;
and sending a second switching completion message to the second MME.
20. The handover method according to claim 16, wherein after the receiving a third handover request sent by a second source entity base station, the third handover request carrying information of a third target virtual base station and applying for resource admission to the third target virtual base station, and after the applying is successful, allocating resources to the user equipment by the third target virtual base station, the handover method further comprises:
sending a third handover response message to the second source entity base station;
receiving a third configuration completion message sent by the user equipment;
sending a third update data channel node address request to a third MME, the third update data channel node address request being used to instruct the third MME to update a data channel node address;
receiving a third successful update data channel node address message sent by the third MME;
updating control forwarding entity list information;
and sending a third switching completion message to the second source entity base station.
21. The handover method according to claim 17, wherein after the receiving a fourth handover request sent by a fourth MME, the fourth handover request carrying information of a fourth target virtual base station and applying for resource admission to the fourth target virtual base station, and after the fourth target virtual base station allocates resources to the user equipment after the applying is successful, the handover method further comprises:
sending a fourth handover response message to the fourth MME;
receiving a fourth configuration completion message sent by the user equipment;
sending a fourth update data channel node address request to the fourth MME, the fourth update data channel node address request being used to instruct the fourth MME to update a data channel node address;
receiving a fourth successful update data channel node address message sent by the fourth MME;
updating control forwarding entity list information;
and sending a fourth switching completion message to the fourth MME.
22. A handover method, the handover method comprising:
and receiving a measurement report sent by a source entity base station, and determining a target virtual base station according to the measurement report.
23. The handover method according to claim 22, wherein the determining a target virtual base station according to the measurement report comprises:
and selecting the virtual base station occupying the lowest frequency band resource utilization rate in a virtual network information list as a target virtual base station according to the measurement report, and taking a host base station of the target virtual base station as a target entity base station.
24. The handover method according to claim 22 or 23, further comprising:
receiving the updating information sent by the source entity base station, and updating the virtual network list information;
and sending an updating success message to the source entity base station.
25. A base station, characterized in that the base station comprises: a first receiving unit and a first determining unit; wherein,
the first receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the first determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual bss in the same physical bs, and further determine a target virtual bs.
26. The base station of claim 25, wherein the first determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in a same physical base station, determine the target virtual base station according to resource utilization, apply resource admission to a virtual control management system corresponding to the target virtual base station, and allocate resources to the ue by the target virtual base station.
27. The base station according to claim 25 or 26, characterized in that the base station further comprises:
a first sending unit, configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and update tcp configuration;
the first receiving unit is configured to receive a configuration completion message sent by the ue, where the configuration completion message is used to indicate that the ue is successfully switched.
28. The base station of claim 27, further comprising:
a first updating unit, configured to update information of a control forwarding entity list, and release resources occupied by the user equipment in a source virtual base station;
the first sending unit is used for sending update information to a source virtual operator server, wherein the update information is used for indicating the source virtual operator server to update virtual network list information;
the first receiving unit is configured to receive an update success message sent by the virtual operator server.
29. A base station, characterized in that the base station comprises: the device comprises a second receiving unit, a second determining unit and a second sending unit; wherein,
the second receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the second determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual bss between different physical bss;
the second sending unit is configured to send a request message, where the request message is used to instruct to determine a target virtual base station.
30. The base station of claim 29, wherein the second sending unit is configured to send a first handover request to a first target physical base station, and wherein the first handover request is used to instruct the first target physical base station to determine a first target virtual base station.
31. The base station of claim 29, wherein the second sending unit is configured to send a handover preparation request to a first MME, send a second handover request to a second target physical base station by the first MME, and determine a second target virtual base station by the second target physical base station.
32. The base station of claim 30, further comprising: the second updating unit is used for updating the first updating unit,
the second receiving unit is configured to receive a handover response message sent by the first target entity base station; the first target entity base station is also used for receiving a first switching completion message sent by the first target entity base station; the source virtual operator server is also used for receiving a first update success message sent by the source virtual operator server;
the second sending unit is configured to send a handover instruction to the ue, where the handover instruction is used to instruct the ue to perform handover and protocol configuration; the network management server is further used for sending first updating information to a source virtual operator server, wherein the first updating information indicates that the source virtual operator server updates virtual network list information;
and the second updating unit is used for updating the list information of the control forwarding entity and releasing the resources occupied by the user equipment in the source virtual base station.
33. The base station of claim 31, further comprising: the second updating unit is used for updating the first updating unit,
the second receiving unit is configured to receive a second handover completion message sent by the first MME, where the second handover completion message is used to indicate that the handover of the second target entity base station is completed; the source virtual operator server is also used for receiving a second update success message sent by the source virtual operator server;
the second updating unit is configured to update the list information of the control forwarding entity and release resources occupied by the user equipment in the source virtual base station;
the second sending unit is configured to send second update information to a source virtual operator server, where the second update information indicates that the source virtual operator server updates virtual network list information.
34. A base station, characterized in that the base station comprises: a third receiving unit, a third determining unit and a third sending unit; wherein,
the third receiving unit is configured to receive a measurement report sent by a user equipment, where the measurement report carries measurement information of base stations around the user equipment;
the third determining unit is configured to determine, according to the measurement report, that the ue performs handover between different virtual base stations in the same virtual network;
the third sending unit is configured to send the measurement report to a virtual operator server, where the measurement report is used to instruct the virtual operator server to determine a target virtual base station, and the target virtual base station is one of target entity base stations.
35. The base station of claim 34, further comprising: a third updating unit for updating the data in the first memory unit,
the third receiving unit is configured to receive the information of the target entity base station sent by the virtual operator server; the base station is also used for receiving a switching response message sent by the target entity base station; the base station is also used for receiving a first switching completion message sent by the target entity base station; the first update success message is also used for receiving the first update success message sent by the virtual operator server;
the third sending unit is configured to send a handover request to the target entity base station, where the first handover request is used to instruct the target entity base station to apply for resource admission to a target virtual base station; the first switching instruction is used for indicating the user equipment to carry out switching and protocol configuration; the first updating information is used for indicating the virtual operator server to update the virtual network list information;
and the third updating unit is configured to update the list information of the control forwarding entity and release the resource occupied by the user equipment in the source virtual base station.
36. The base station of claim 34, further comprising: a third updating unit for updating the data in the first memory unit,
the third receiving unit is configured to receive a second handover completion message sent by the MME, where the second handover completion message is used to indicate that the target entity base station is completed in handover; the virtual operator server is also used for receiving a second update success message sent by the virtual operator server;
the third updating unit is configured to update the list information of the control forwarding entity and release the resource occupied by the user equipment in the source virtual base station;
the third sending unit is configured to send second update information to the virtual operator server, where the second update information is used to instruct the virtual operator server to update the virtual network list information.
37. A base station, characterized in that the base station comprises: a fourth receiving unit and a fourth determining unit; wherein,
the fourth receiving unit is configured to receive a handover request;
the fourth determining unit is configured to determine a target virtual base station.
38. The base station of claim 37,
the fourth receiving unit is configured to receive a first handover request sent by a first source entity base station;
the fourth determining unit is configured to determine a first target virtual base station, apply resource admission to the first target virtual base station, and allocate resources to the user equipment by the first target virtual base station after the resource admission is successfully applied.
39. The base station of claim 37,
the fourth receiving unit is configured to receive a second handover request sent by a second MME;
and the fourth determining unit is configured to determine a second target virtual base station, apply resource admission to the second target virtual base station, and allocate resources to the user equipment by the second target virtual base station after the application is successful.
40. The base station of claim 37,
the fourth receiving unit is configured to receive a third handover request sent by a second source entity base station, where the third handover request carries information of a third target virtual base station;
and the fourth determining unit is configured to apply for resource admission to the third target virtual base station, and allocate resources to the user equipment by the third target virtual base station after the application is successful.
41. The base station of claim 37,
the fourth receiving unit is configured to receive a fourth handover request sent by a fourth MME, where the fourth handover request carries information of a fourth target virtual base station;
the fourth determining unit is configured to apply for resource admission to the fourth target virtual base station, and allocate resources to the user equipment by the fourth target virtual base station after the application is successful.
42. The base station of claim 38, further comprising: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a first handover response message to the first source entity base station; the first MME is also used for sending a first updating data channel node address request to the first MME, wherein the first updating data channel node address request is used for indicating the first MME to update the data channel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; the first source entity base station is also used for sending a first switching completion message to the first source entity base station;
the fourth receiving unit is configured to receive a first configuration completion message sent by the ue, where the first configuration completion message is used to indicate that a handover configuration is completed; the first MME is also used for receiving a first successful update data channel node address message sent by the first MME; the first target virtual operator server is also used for receiving a first update success message sent by the first target virtual operator server;
and the fourth updating unit is used for updating the control forwarding entity list information.
43. The base station of claim 39, further comprising: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a second handover response message to the second MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update the data tunnel node address; the first update information is used for indicating the first target virtual operator server to update the virtual network list information; further configured to send a second handover complete message to the second MME;
the fourth receiving unit is configured to receive a second configuration completion message sent by the ue, where the second configuration completion message is used to indicate that a handover configuration is completed; the second MME is also used for receiving a second success update data channel node address message sent by the second MME; the second target virtual operator server is also used for receiving a second update success message sent by the second target virtual operator server;
and the fourth updating unit is used for updating the control forwarding entity list information.
44. The base station of claim 40, further comprising: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a third handover response message to the second source entity base station; further configured to send a third update data tunnel node address request to a third MME, the third update data tunnel node address request being used to instruct the third MME to update a data tunnel node address; a third handover complete message is also sent to the second source entity base station;
the fourth receiving unit is configured to receive a third configuration completion message sent by the user equipment; the third MME is also used for receiving a third successful update data channel node address message sent by the third MME;
and the fourth updating unit is used for updating the control forwarding entity list information.
45. The base station of claim 41, further comprising: a fourth sending unit, a fourth updating unit,
the fourth sending unit is configured to send a fourth handover response message to the fourth MME; the first MME is further configured to send a first update data tunnel node address request to the first MME, the first update data tunnel node address request being used to instruct the first MME to update a data tunnel node address; further configured to send a fourth handover complete message to the fourth MME;
the fourth receiving unit is configured to receive a fourth configuration completion message sent by the user equipment; the fourth MME is also used for receiving a fourth successful update data channel node address message sent by the fourth MME;
and the fourth updating unit is used for updating the control forwarding entity list information.
46. A server, characterized in that the server comprises: a receiving unit and a determining unit; wherein,
the receiving unit is configured to receive a measurement report sent by a source entity base station;
the determining unit is used for determining the target virtual base station according to the measurement report.
47. The server according to claim 46, wherein the determining unit is configured to select a virtual base station with a lowest utilization rate of occupied band resources in a virtual network information list according to the measurement report as a target virtual base station, and use a host base station of the target virtual base station as a target physical base station.
48. The server according to claim 46 or 47, further comprising, a sending unit,
the receiving unit is configured to receive update information sent by the source entity base station, and update virtual network list information;
the sending unit is configured to send an update success message to the source entity base station.
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| CN201510543131.9A CN106488497A (en) | 2015-08-28 | 2015-08-28 | A kind of changing method, base station server |
| PCT/CN2016/096918 WO2017036358A1 (en) | 2015-08-28 | 2016-08-26 | Switching method, base station and server |
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| CN201510543131.9A CN106488497A (en) | 2015-08-28 | 2015-08-28 | A kind of changing method, base station server |
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| WO2022245489A1 (en) * | 2021-05-18 | 2022-11-24 | Microsoft Technology Licensing, Llc | Distributed fault-tolerant state store for virtualized radio access networks |
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| SE0302804D0 (en) * | 2003-10-20 | 2003-10-20 | Ericsson Telefon Ab L M | Positioning method using a local virtual network |
| CN102026320B (en) * | 2009-09-22 | 2013-10-09 | 华为终端有限公司 | Network switching method, system and device |
| CN104080136B (en) * | 2013-03-31 | 2017-12-08 | 上海贝尔股份有限公司 | A kind of method and apparatus for being used to realize the dynamic migration of virtual base station in BBU ponds |
| EP2843998B1 (en) * | 2013-08-30 | 2020-04-15 | Swisscom AG | Method for a cellular communication system and communication system with virtual base station |
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| WO2022245489A1 (en) * | 2021-05-18 | 2022-11-24 | Microsoft Technology Licensing, Llc | Distributed fault-tolerant state store for virtualized radio access networks |
| US12075256B2 (en) | 2021-05-18 | 2024-08-27 | Microsoft Technology Licensing, Llc | Distributed fault-tolerant state store for virtualized radio access networks |
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