CN107105500B - A kind of communication means and device - Google Patents
A kind of communication means and device Download PDFInfo
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- CN107105500B CN107105500B CN201610094055.2A CN201610094055A CN107105500B CN 107105500 B CN107105500 B CN 107105500B CN 201610094055 A CN201610094055 A CN 201610094055A CN 107105500 B CN107105500 B CN 107105500B
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- terminal
- information
- control function
- management function
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W68/00—User notification, e.g. alerting and paging, for incoming communication, change of service or the like
- H04W68/02—Arrangements for increasing efficiency of notification or paging channel
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W76/00—Connection management
- H04W76/10—Connection setup
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The present invention provides a kind of communication means and devices, and wherein communication means includes: the information that control function obtains terminal from information management function；Control function is according to the information of terminal, connection establishment process or paging operation are triggered for terminal, reduce signaling overheads, such as when the terminal for the multiple networks slice being connected to simultaneously is after each network slice enters Idle state, can be sliced to avoid each network and page UE respectively.
Description
Technical field
The present invention relates to field of communication technology more particularly to a kind of communication means and device.
Background technique
Mobile communications network also needs while supporting traditional mobile broadband (Mobile Broadband, MBB) scene
Support new scene.New scene has different needs network, such as to charging, policy control, safety and mobility etc.
Function has different needs.Mobile broadband scene may require to using relevant charging and policy control, however other scenes
It may require simpler charging or strategy.
In order to preferably support different scenes, need to be isolated the business of different scenes.For example, a large amount of electronic sensor
Failure cannot influence MBB user.By network microtomy, single one physical network can be divided into multiple virtual networks, thus
Best support is provided for the different business that different user group uses.Network slice (Slice) is defined as follows: network is sliced by three
Layer composition: srvice instance layer, network are sliced instance layer and resource layer.As shown in Figure 1, being described below to above-mentioned three layers: (1),
What srvice instance layer represented is the business (end-user service or commercial occupation) supported.Each srvice instance represents an industry
Business.In general, business can be provided by network operator or third party.Therefore, srvice instance can represent Operator Specific Service or
The business that tripartite provides.(2), the network characterization needed for network slice example provides it to srvice instance.Network operator provides
Multiple srvice instance can share network slice example.Network slice example may include 0, one or more subnets reality
Example, these subnet examples may be sliced example by other networks and share.Subnet example is by one group of network functional group at these nets
Network function is run on physical/logical resource.(3), resource layer includes physical resource and logical resource.Wherein physical resource is
Computer stores and transmits the set of resource (including wireless access).Logical resource is the physics specially divided for network function
Resource, or the physical resource shared by one group of network function.Each network slice includes the set of logical network function, the set
Support the traffic demands of special scenes.Logic function can be location management function, switching control function, session management function
Energy is equal.The business provided according to network slice is different, and the specific logic function for including in network slice is different, such as supports movement
The slice of broadband services needs support above-mentioned three kinds of functions, and the slice of internet of things service is supported not need support position management function
Energy and switching control function.
Referring to fig. 2, paging in the prior art is shown in figure, the specific steps are as follows:
Step 201, SGW (gateway) receive the downlink data (Downlink from PDN GW (PDN Gateway)
Data), but SGW does not have the downlink user face connection of UE (terminal) (not have downlink user face in the context data of SGW
TEID), SGW caches downlink data packet；
Step 202a~202b, SGW send down link data notification message to MME (mobility management entity)
(Downlink Data Notification), MME return to the 4th confirmation message (Downlink Data of downlink data to SGW
Notification Ack)；
Each eNB (evolved base station) in the tracking area that step 203, MME are registered to UE sends paging message
(Paging)；
Step 204, eNB paging UE (Paging)；
Step 205, UE receive paging prompt, initiating business request process (Service Request Procedure).
After service request process terminates, data connection is successfully established, and the downlink data of caching is sent to UE by SGW
(Downlink Data E-UTRN)。
Referring to Fig. 3, service request process in the prior art is shown in figure, the specific steps are as follows:
Step 301, UE send business request information (Service Request) to MME, which is encapsulated in RRC
In (Radio Resource Control, wireless heterogeneous networks) message, and it is sent to eNB；
Business request information is encapsulated in initial UE message by step 302, eNB, is then sent to MME.
Step 303, MME may initiate the process (Authentication/Security) of certification and safety；
Step 304, MME send initial context to eNB and establish request message；
Step 305, eNB execute radio bearer establishment process (Initial Context Setup Request)；
Upstream data (Uplink Data) can be sent to SGW by eNB by step 306, UE；
Step 307, eNB send initial context to MME and establish completion message (Initial Context Setup
Complete)；
Step 308, MME send modification bearing request message (Modify Bearer Request) to SGW；
If step 309, wireless access type, the position UE or time zone where UE change, SGW sends to PGW and modifies
Bearing request message (Modify Bearer Request), the information of above-mentioned change is notified to PGW；
If step 310 deploys dynamic PCC, PGW is interacted with PCRF obtains PCC rule (PCEF Initiated IP-
CAN Session Modification)；
Step 311, PGW send modification carrying to SGW and reply message (Modify Bearer Response)；
Step 312, SGW return to modification carrying to MME and reply message (Modify Bearer Response).
According to existing method, when network receives the data packet of Idle state UE, network by paging operation, triggering UE into
Enter connected state, then sends the data to UE.Since each network slice is that the business that terminal provides is different, each network
Slice is equivalent to an independent network.When terminal is connected to multiple networks slice, if terminal is in Idle state, each net
When network slice receives the downlink data of the terminal, paging operation will be executed respectively, will lead to the expense of a large amount of interface-free resources.
Summary of the invention
In view of above-mentioned technical problem, the present invention provides a kind of communication means and device, to reduce signaling overheads.
According to one aspect of the present invention, a kind of communication means is provided, comprising: control function is obtained from information management function
Take the information of terminal；The control function is grasped according to the information of the terminal for terminal triggering connection establishment process or paging
Make.
Optionally, the control function obtains the information of terminal from information management function, comprising: the control function is to institute
It states information management function and sends the first request message, the mark of terminal is carried in first request message；The control function
The information management function returns first can be received to reply message, described first reply message in carry the letter of the terminal
Breath, wherein the information of the terminal includes: status information and/or location information.
Optionally, the control function triggers paging operation according to the information of the terminal for terminal, comprising: when described
Terminal is Idle state, or when the location information of the terminal is tracking area list, and the control function is terminal touching
Send out paging operation.
Optionally, the control function connects establishment process according to the information of the terminal for terminal triggering, comprising: when
The terminal is connected state, or when the location information of the terminal is the information of the access device of terminal connection, the control
The access device that function processed is connected according to the location information in the information of the terminal to terminal sends connection and establishes request message.
Optionally, the communication means further include: the control function sends the second request to the information management function
Message sends third request message to the terminal from the information management function and triggers the terminal originating service request mistake
Journey, wherein the information of network slice where carrying the control function in the third request message.
Optionally, the communication means further include: the control function sends the first notice to the information management function
Message, wherein first notification message includes: the mark, status information and/or location information of terminal.
Optionally, the communication means further include: when the control function detects that the state of the terminal changes
When, the control function sends second notification message to the information management function, wherein if the terminal enters connection
State, the second notification message include: the mark, status information and/or location information of terminal；If the terminal enters the free time
State, the second notification message include: the mark and status information of terminal.
Optionally, the communication means further include: when the control function detects that the position of the terminal changes
When, the control function sends third notice message to the information management function, and the third notice message includes: terminal
Mark and location information.
Optionally, the communication means further include: the control function detects whether the oriented information management function hair
Send the permission of the information of the terminal.
According to another aspect of the invention, additionally provide a kind of communication means, comprising: information management function to control function
The information that terminal can be sent is terminal triggering connection establishment process according to the information of the terminal by the control function or is sought
Exhale operation；Or the information management function is according to the information of the terminal of storage, instruction terminal initiating business request process.
Optionally, information of the information management function according to the terminal of storage, instruction terminal initiating business request process,
Including: the information management function sends the second request message to the terminal according to the information of the terminal of storage, described in instruction
Terminal originating service request process, wherein the letter of network slice where second request message carries the control function
Breath.
Optionally, the communication means further include: when the terminal where the control function network slice in into
When entering Idle state, the information management function receives the status information for the terminal that the control function is sent；The information
Status information of the terminal of preservation in network slice is revised as Idle state by management function.
Optionally, the communication means further include: the information management function is in multiple networks of connected state from terminal
A network slice is selected in slice, sends terminal to the information management function from the control function of selected network slice
Information.
Another aspect according to the present invention additionally provides a kind of communication device, comprising: obtains module, is used for from information
The information of management function acquisition terminal；Trigger module, for the information according to the terminal, for terminal triggering connection establishment process
Or paging operation.
Optionally, the acquisition module is further used for: Xiang Suoshu information management function sends the first request message, described
The mark of terminal is carried in first request message；It receives the information management function returns first to reply message, described the
One reply message in carry the information of the terminal, wherein the information of the terminal includes: status information and/or position letter
Breath.
Optionally, the trigger module is further used for: when the terminal is Idle state, or when the position of the terminal
When information is tracking area list, paging operation is triggered for terminal.
Optionally, the trigger module is further used for: when the terminal is connected state, or when the position of the terminal
When information is the information of the access device of terminal connection, connect according to the location information in the information of the terminal to what terminal connected
Enter equipment transmission connection and establishes request message.
Optionally, the communication device further include:
Second request message sending module, for sending the second request message to the information management function, by the letter
It ceases management function and sends third request message to the terminal, trigger the terminal originating service request process, wherein described the
The information of network slice where carrying the control function in three request messages.
Optionally, the communication device further include:
First notification message sending module, for sending the first notification message to the information management function, wherein described
First notification message includes: the mark, status information and/or location information of terminal.
Optionally, the communication device further include:
Second notification message sending module, for when the state for detecting the terminal changes, Xiang Suoshu information
Management function sends second notification message, wherein if the terminal enters connected state, the second notification message includes: end
Mark, status information and/or the location information at end；If the terminal enters Idle state, the second notification message includes: end
The mark and status information at end.
Optionally, the communication device further include:
Third notice message transmission module, for when the position for detecting the terminal changes, Xiang Suoshu information
Management function sends third notice message, and the third notice message includes: the mark and location information of terminal.
Optionally, the communication device further include:
Permission judgment module, for detecting whether the oriented information management function sends the power of the information of the terminal
Limit.
Another aspect according to the present invention additionally provides a kind of control function, including communication device as described above.
Another aspect according to the present invention additionally provides a kind of communication device, comprising: information sending module, for
Control function sends the information of terminal, connects establishment process according to the information of the terminal by the control function for terminal triggering
Or paging operation；And/or indicating module, for the information according to the terminal of storage, instruction terminal initiating business request process.
Optionally, the indicating module is further used for: sending second to the terminal according to the information of the terminal of storage
Request message indicates the terminal originating service request process, wherein second request message carries the control function
The information of place network slice.
Optionally, the communication device further include:
Status information modified module, for entering the free time in the network slice where the control function when the terminal
When state, the status information for the terminal that the control function is sent is received；The terminal of preservation is sliced in the network
Interior status information is revised as Idle state.
Optionally, the communication device further include:
Control function selecting module selects a network for being in multiple networks slice of connected state from the terminal
Slice sends the information of terminal from the control function of selected network slice to the information management function.
Another aspect according to the present invention additionally provides a kind of information management function, including communicates dress as described above
It sets.
The beneficial effects of the present invention are: control function from information management function obtain terminal information, control function according to
The information of terminal reduces signaling overheads, such as be connected to when simultaneously for terminal triggering connection establishment process or paging operation
Multiple networks slice terminal each network slice enter Idle state after, can to avoid each network be sliced seek respectively
Exhale UE.
Detailed description of the invention
Fig. 1 is the schematic diagram of existing network slice；
Fig. 2 is existing paging schematic diagram；
Fig. 3 is existing service request process schematic；
Fig. 4 is the configuration diagram that terminal of the present invention is connected to multiple network slices simultaneously；
Fig. 5 is information management function of the present invention and a schematic diagram connecting in multiple networks slice；
Fig. 6 is the flow chart of communication means in the first embodiment of the present invention；
Fig. 7 is the flow chart that establishment process or paging are connected in the first embodiment of the present invention；
Fig. 8 is the flow chart in the first embodiment of the present invention to UE initiating business request；
Fig. 9 is the process schematic that information management function obtains end message in the second embodiment of the present invention；
Figure 10 is the process schematic that information management function obtains status information in the third embodiment of the present invention；
Figure 11 is the process schematic that information management function obtains status information in the fourth embodiment of the present invention；
Figure 12 is that information management function can be cut from multiple networks that terminal is in connected state in the fifth embodiment of the present invention
One process schematic is selected in piece；
Figure 13 is the schematic diagram paged in the sixth embodiment of the present invention；
Figure 14 is the process schematic for executing connection in the seventh embodiment of the present invention and establishing；
Figure 15 is the process schematic of initiating business request in the ninth embodiment of the present invention；
Figure 16 is the flow chart of the communication means of the tenth embodiment of the present invention；
Figure 17 is the structural schematic diagram of communication device in the 11st embodiment of the present invention；
Figure 18 is the structural schematic diagram of communication device in the 12nd embodiment of the present invention；
Figure 19 is the structural schematic diagram of communication device in the 15th embodiment of the present invention；
Figure 20 is the structural schematic diagram of communication device in the 16th embodiment of the present invention.
Specific embodiment
Exemplary embodiments of the present disclosure are described in more detail below with reference to accompanying drawings.Although showing the disclosure in attached drawing
Exemplary embodiment, it being understood, however, that may be realized in various forms the disclosure without should be by embodiments set forth here
It is limited.On the contrary, these embodiments are provided to facilitate a more thoroughly understanding of the present invention, and can be by the scope of the present disclosure
It is fully disclosed to those skilled in the art.
Referring to fig. 4, terminal is shown in figure while being connected to multiple networks slice (such as first network slice, the second net
Network slice ..., the n-th network slice) configuration diagram, wherein each network slice is all connected to an application server, often
A network slice all includes: control function and user plane functions, and control function provides spy by control user plane functions for user
Fixed business, since the business that heterogeneous networks slice provides is different, so the control function of heterogeneous networks slice may be different.Tool
Body, control function can support the functions such as mobile management, session management or switching control.User plane functions are mainly responsible for road
By the data of terminal, such as: user plane functions can be the gateway in existing net.
With continued reference to Fig. 4, the first access network shown in figure and the second access network can be and use different accesses
The access network that technology (such as LTE (Long Term Evolution, long term evolution), WLAN (WLAN) etc.) is formed,
Access network can be made of one or more access devices, such as base station.In the present embodiment, base station refers to wireless access network
The equipment that terminal is linked by network by wireless interface in network, for example, in LTE eNB (evolved Node B, it is evolved
Base station), wireless network access device (realizing the function of being similar to eNB), the AP (Access of WLAN in the following 5G network
Point, wireless access node) or TWAG (trusted wireless access gateway) etc..
Referring to Fig. 5, information management function shown in figure, for storing the information of terminal, wherein the information of the terminal can
To include: status information and/or location information, such as the status information of terminal can be Idle state or connected state, if terminal
Also be stored with the location information of terminal in connected state, information management function, for example, terminal connection access device position
Cell ID etc. where information or mark or terminal.Information management function can with network be sliced in control function and connect
Enter the access device interaction in network, to obtain the information of terminal, specific connection is as shown in Figure 5.It should be noted that Fig. 5
In only illustrate that information management function is interacted with the control function in network slice, it is of course possible to understanding, message tube
It manages function and can also be sliced by multiple networks and shared.
First embodiment
Referring to Fig. 6, the process of communication means is shown in figure, the executing subject of the communication means can be in network slice
Control function, the specific steps are as follows:
Step 601, control function obtain the information of terminal from information management function, subsequently into step 602.
Specifically, in step 601, control function sends the first request message to information management function, and the first request disappears
The mark of terminal is carried in breath；Control function receives information management function returns first and replies message, which disappears
The information of terminal is carried in breath, wherein the information of terminal includes: status information and/or location information, which can be with
Connected state or Idle state, when terminal is in connected state, be stored in information management function status information (connected state) and
Effective location information, such as the location information can be the location information or mark of the access device of terminal connection, or eventually
Cell ID etc. where holding.When terminal is in Idle state, without storing effective location information, example in information management function
Tracking area list as being stored with status information (Idle state) and terminal in information management function.
Step 602, control function connect establishment process or paging operation according to the information of terminal for terminal triggering.
Optionally, in step 602, when terminal is Idle state, or when the location information of terminal is tracking area list,
Control function is that the terminal triggers paging operation, perhaps when terminal is for connected state or when the location information of terminal is terminal
When information (such as mark or IP address etc. of base station) of the access device of connection, control function is according to the position in the information of terminal
Confidence ceases the access device transmission connection connected to terminal and establishes request message, then indicates that access device is that terminal is established wirelessly
Carrying, aforementioned access device can be base station, be also not limited to this certainly.
Referring to Fig. 7, the flow chart that establishment process or paging are connected in first embodiment, specific steps are shown in figure
It is as follows:
User plane functions in step 701, network slice receive the downlink data of user；
Step 702, user plane functions send downlink data notification message to control function；
Step 703, control function send the first request message to information management function, and the mark of terminal is carried in message
Know, such as (International Mobile Subscriber Identification Number, the world is mobile to be used IMSI
Family identification code) or other new definition mark；
Step 704, information management function return to first to control function and reply message, and the letter of terminal is carried in message
Breath.
The information for the terminal for replying message middle carrying according to first is different, and the behavior of control function is also different.If control
Function judges that the state of terminal judges in the information of the terminal received for connected state or control function comprising effective position
Information (such as location information is mark or cell ID of access device etc.), then control function triggering connects establishment process.Afterwards
Continuous process is as follows: the access device that control function connect to terminal, which is sent, connects that establish request message (such as in the prior art
Initial context establishes request message), request access device is eated dishes without rice or wine for terminal foundation, and (as terminal is in network slice for connection
The connection foundation of foundation is eated dishes without rice or wine), access device is established the backward control function eated dishes without rice or wine return connection foundation for these connections and is replied
Message (such as initial context in the prior art is established and completes message), control function is by the information of access device and then sends
To user plane functions.
If control function judges that terminal for Idle state, or when the location information of terminal is tracking area list, is then controlled
Function processed triggers paging operation.
It should be noted that if the current network slice of terminal connection receives the downlink data of terminal, and terminal exists
Enter connected state in other networks slice of connection, information management function is stored with the location information of terminal, such as the letter of base station
Breath, information management function may send message to UE, make UE initiating business request process.Specifically, control function is to message tube
It manages function and sends the second request message, send third request message triggering terminal initiation business to terminal from information management function and ask
Seek process, wherein the information of network slice where carrying control function in third request message.
Referring to Fig. 8, shown in figure in first embodiment to the flow chart of UE initiating business request, in fig. 8, step
Second in 804 replies message to reply message with the third in step 806 and can be confirmation message.Second request of step 803
The information for receiving the network slice of downlink data may be carried in message (such as slice mark or the mark or industry of control function
Business mark or APN).If information management function can be inferred to send from the source IP address of the second request message of step 803
The network of the message is sliced, then can not carry any parameter in the second request message of step 803.
The information that network slice where control function is carried in third request message in step 805 (or receives
The information of the network slice of downlink data), such as the mark or service identification or APN of slice mark or control function.
Terminal in step 807 can be judged to need to initiate the connection to corresponding control function according to third request message
Establishment process.
Second embodiment
On the basis of first embodiment, below again recommended information management function obtain end message process.Referring to figure
9, the process that information management function obtains end message is shown in figure, detailed process is as follows:
Step 901, control function send the first notification message to information management function, at least carry in the first notification message
The mark of terminal.
It should be noted that the first notification message is also possible where status information, location information and/or control function
The information of network slice, wherein status information can be connected state or Idle state；Location information can be the access of terminal connection
The mark of cell where the information of equipment, tracking area list or terminal；Network slice information can be slice mark or
APN (Access Point Name, access point name) or the mark of other new definition.
Step 902, information management function return to the first confirmation message to control function.
3rd embodiment
On the basis of first embodiment, the process that information management function obtains end message is described below.Referring to Figure 10,
The process that information management function obtains end message is shown in figure, detailed process is as follows:
Whether step 1001, the status information of control function detection terminal change, when control function discovery terminal
Status information changes, and control function sends second notification message to information management function.
The state entered according to terminal is different, and the parameter of second notification message is different.If terminal enters connected state, the
The parameter of two notification messages includes at least: the mark of terminal, status information (such as connected state) and/or location information (such as base
Station identifications or cell ID), second notification message is also possible that the information of the network slice where control function at this time, such as
Slice mark or APN.If terminal enters Idle state, the parameter of second notification message includes at least the mark and state of terminal
Information (Idle state), second notification message is also possible that the information of the network slice where control function at this time, such as is sliced
Mark or APN.
The information of step 1002, information management function storage terminal, and the second confirmation message is returned to control function.
Fourth embodiment
On the basis of first embodiment, recommended information management function obtains the process of location information.When in connected state
UE when occurring mobile (such as the base station of UE connection changes), network be sliced in control function need to notify the information
To information management function.Detailed process is as shown in figure 11.
Whether step 1101, control function detection location information change, when control function finds location information
When change (such as the base station of terminal connection changes), control function sends third notice message to information management function.
The parameter of third notice message includes at least the mark and location information (such as Base Station Identification or cell ID) of terminal,
Third notice message is also possible that the information of the network slice where control function, such as slice mark or APN at this time.
The information of step 1102, information management function more new terminal, and third confirmation message is returned to control function.
5th embodiment
When terminal is when multiple networks slice enters connected state, if the information of terminal changes, (such as terminal is mobile
The base station for causing it to connect changes), then the location information notification after needing to change is to information management function.Due to above-mentioned
Multiple network slices can perceive the event, if these networks slice all sends message to information management function, there is letter
The problem of enabling waste.In the present embodiment, information management function can be in multiple networks slice of connected state from terminal and select
One, the control function of selected network slice needs the information to information management function reporting terminal, correspondingly, controls function
The permission for whether having the information that terminal is sent to information management function can be can detecte.
Based on 3rd embodiment, when the control function in network slice shows that terminal enters connected state to information management function
When, when information management function returns to the second confirmation message to control function, optionally, instruction letter is carried in the second confirmation message
Breath shows subsequent whether need its reporting position information.If instruction information demonstrates the need for reporting, the control in network slice
Function processed needs to be implemented the process of fourth embodiment；Otherwise, the control function in network slice does not need to execute fourth embodiment
Process.
For the control function that information management function is specified, if terminal enters sky in the network slice where control function
Not busy state, then information management function needs to judge whether terminal is interior in connected state in other networks slice, if it is, message tube
It manages function and selects one from these networks slice, by the information of the control function reporting terminal in network slice, specific mistake
Journey is as shown in figure 12.Otherwise, information management function does not execute any operation.
Step 1201, information management function send the 4th notification message to control function, work as terminal to control function explanation
Information (such as location information) when changing, control function needs to report the information.
Step 1202, control function return to the 4th confirmation message to information management function.
Sixth embodiment
The present embodiment describes the downlink data that network slice receives terminal, and the control function in network slice does not have
Effective location information is received from information management function, and executes the process of paging UE.
The scene that the process may occur is as follows:
Scene 1, information management function do not store effective location information, i.e., without the location information for storing terminal or end
The location information of the terminal of end management function storage is the tracking area list of terminal, terminal in all network slices all in
Idle state；
Scene 2, information management function store the location information of terminal, but the base station of terminal connection cannot connect to
It states connectionless between network slice, such as the base station and above-mentioned network slice.Information management function can be judged by configuration information
Whether there is connection between the base station that terminal has connected and some network slice.
Referring to Figure 13, the schematic diagram of paging is shown in figure, the specific steps are as follows:
User plane functions in step 1301, network slice receive the downlink data of user；
Step 1302, user plane functions send downlink data notification message to control function；
Step 1303, control function send the 5th request message to information management function, carry in the 5th request message
The mark of terminal, such as IMSI or the mark of other new definition；
Step 1304, information management function return to the 5th to control function and reply message, and the 5th, which replies message middle carrying, mentions
Show information, to control function illustrate to reply message there is no active position information or the 5th in carry the status information of terminal
(Idle state) or the 5th reply message in carry the location information (tracking area list) of terminal.
Step 1305, control function send paging message to access device.Control function institute may be carried in paging message
In the information of network slice.The range that control function sends paging message can be similar with current mechanism, i.e., to TA (Tracking
Area, tracking area) access device in all TA in list sends paging message.
7th embodiment
The present embodiment describes network slice and receives the downlink data of terminal, and the control function in network slice is from letter
Breath management function receives location information, and executes the process that connection is established.The scene that the process occurs is information management function
It is stored with location information, such as terminal enters connected state in other networks slice.If the base station of operator deployment is not
All network slices can be connected, information management function also needs further to judge the access device and above-mentioned network of terminal connection
Whether slice has connection.Detailed process is as shown in figure 14.
User plane functions in step 1401, network slice receive the downlink data of user；
Step 1402, user plane functions send downlink data notification message to control function；
Step 1403, control function send the 6th request message to information management function, carry in the 6th request message
The mark of terminal, such as IMSI or the mark of other new definition；
Step 1404, information management function return to the 6th to control function and reply message, and the 6th replies message middle carrying eventually
The location information at end, such as the information or cell ID of the base station that terminal connects.
Step 1405, control function send initial context to base station and establish request message.
Step 1406, base station are that UE establishes radio bearer.
Step 1407, base station return to initial context to control function and establish completion message.
Step 1408, control function send modification bearing request message to user plane functions.
Step 1409, user plane functions return to modification carrying to control function and reply message.
Illustrate: step 1405 in figure to 1409 is existing message.If base station does not know the control in network slice
The information of function then needs to be extended step 1405, net where establishing in message in initial context and carry control function
The information of network slice does not need to extend if the information (such as IP address) of the control function in network slice is known in base station
The initial context of step 1405 establishes message.
8th embodiment
Suppositive scenario: terminal is in connected state in network slice 1 and network slice 2, in the free time in network slice 3
State；Terminal is connected to network slice 1 by base station 1, is connected to network slice 2 by base station 2；It is stored in information management function
Information may include:<network slice 1: connected state, base station 1>,<network slice 2: connected state, base station 2>；Network slice 3 receives
To the downlink data of terminal.
Control function in network slice 3 receives location information from information management function, i.e., the location information of base station 1 and
The location information of base station 2.Control function in network slice 3 select shortest access device of routed path (base station, such as
Distance SGW-U is nearest), initiate the connection establishment process.If establishing failure, the base station of suboptimum is selected to establish connection.
9th embodiment
In the present embodiment, some network slice receives the downlink data of terminal, and terminal is cut in other networks at this time
Enter connected state in piece, the location information of terminal is stored in information management function, such as the information of base station.Information management function touching
Terminal originating service request process is sent out, to establish the connection of user face.Detailed process is as shown in figure 15.
User plane functions in step 1501, network slice receive the downlink data of user；
Step 1502, user plane functions send downlink data notification message to control function；
Step 1503, control function send downlink data notification message to information management function；
Step 1504, information management function return to DDN confirmation message to control function.
Step 1505, information management function send the 7th request message to terminal, carry and are sliced in the 7th request message
Relevant information, such as type of service, mark or IP address of the control function in slice, or slice mark etc..
Step 1506, terminal return to the 7th confirmation message to information management function.
Step 1507, terminal originating service request process.
In above-mentioned scene, if terminal does not enter connected state in other networks slice, do not execute in figure dashed box
Step (step 1505~1507), and in step 1504, the 5th confirmation message that information management function is returned to control function
In carry reason or cause value, show terminal other networks slice in enter connected state.At this point, control function initiation is sought
Exhale operation.
Tenth embodiment
Referring to Figure 16, the process of communication means in the tenth embodiment is shown in figure, which includes:
Step 1601, information management function send the information of terminal to control function, by control function according to the terminal
Information triggering to the connection establishment process of terminal or trigger paging operation to terminal；Or
The information of step 1602, information management function according to storage terminal, instruction terminal initiating business request process.
Specifically, information management function sends the second request message to terminal according to the information of the terminal of storage, and instruction is eventually
Hold initiating business request process, wherein the information of network slice where the second request message carries control function.
Optionally, the communication means further include: when terminal enters Idle state in the network slice where control function
When, information management function receives the status information for the terminal that control function is sent；Information management function is by the terminal of preservation
Status information in network slice is revised as Idle state.
Optionally, the communication means further include: information management function is in multiple networks slice of connected state from terminal
One network slice of middle selection, the letter of terminal is sent from the control function of selected network slice to the information management function
Breath.
11st embodiment
Referring to Figure 17, the structural schematic diagram of communication device is shown in figure, which includes: acquisition module
171, for obtaining the information of terminal from information management function；Trigger module 172, for the information according to the terminal, for eventually
End triggering connection establishment process or paging operation.
In the present embodiment, optionally, obtain module 171 to be further used for: Xiang Suoshu information management function sends first
Request message carries the mark of terminal in first request message；It receives first time that the information management function returns
Multiple message, described first reply message in carry the information of the terminal, wherein the information of the terminal includes: state letter
Breath and/or location information.
In the present embodiment, optionally, trigger module 172 is further used for, when the terminal be Idle state, or when eventually
When the location information at end is tracking area list, paging operation is triggered for terminal.
In the present embodiment, optionally, trigger module 172 is further used for, and is connected state for working as terminal, or when eventually
When the location information at end is information (such as mark or IP address of base station) of the access device of terminal connection, according to the terminal
Information in the access device that is connected to terminal of location information send connection and establish request message.
In the present embodiment, optionally, communication device 170 further include: the second request message sending module 173, for
The information management function sends the second request message, sends third request to the terminal from the information management function and disappears
Breath, triggers the terminal originating service request process, wherein the control function place is carried in the third request message
The information of network slice.
In the present embodiment, optionally, communication device 170 further include: the first notification message sending module 174, for
The information management function sends the first notification message, wherein first notification message includes: the mark of terminal, state letter
Breath and/or location information.
In the present embodiment, optionally, communication device 170 further include: second notification message sending module 175, for working as
When detecting that the state of the terminal changes, Xiang Suoshu information management function sends second notification message, wherein if institute
It states terminal and enters connected state, the second notification message includes: the mark, status information and/or location information of terminal；If institute
It states terminal and enters Idle state, the second notification message includes: the mark and status information of terminal.
In the present embodiment, optionally, communication device 170 further include: third notice message transmission module 176, for working as
When detecting that the position of the terminal changes, Xiang Suoshu information management function sends third notice message, and the third is logical
Know that message includes: the mark and location information of terminal.
In the present embodiment, optionally, the communication device 170 further include: permission judgment module 177, for detect be
The no oriented information management function sends the permission of the information of the terminal.
12nd embodiment
A kind of control function is present embodiments provided, including the communication device as described in the 11st embodiment.Control function
Specific business is provided for user by control user plane functions, since the business that heterogeneous networks slice provides is different, so not
Control function with network slice may be different.Specifically, control function can support mobile management, session management or switching
The functions such as control.User plane functions are mainly responsible for the data of route terminal, such as: user plane functions can be the net in existing net
It closes.
13rd embodiment
Referring to Figure 18, the structural schematic diagram of communication device is shown in figure, the communication device 180: information sending module
181, for sending the information of terminal to control function, connected by the control function according to the information of the terminal for terminal triggering
Connect establishment process or paging operation；And/or indicating module 182, for the information according to the terminal of storage, instruction terminal is initiated
Service request process.
In the present embodiment, optionally, indicating module 182 is further used for: according to the information of the terminal of storage to described
Terminal sends the second request message, indicates the terminal originating service request process, wherein second request message carries
The information of network slice where the control function.
In the present embodiment, optionally, communication device 180 further include: status information modified module 183, for when described
When terminal enters Idle state in the network slice where the control function, the terminal that the control function is sent is received
Status information；Status information of the terminal of preservation in network slice is revised as Idle state.
In the present embodiment, optionally, communication device 180 further include: control function selecting module 184 is used for from described
Terminal is in one network of selection slice in multiple networks slice of connected state, from the control function of selected network slice to
The information management function sends the information of terminal.
14th embodiment
A kind of information management function is present embodiments provided, including the communication device as described in the 13rd embodiment.
15th embodiment
A kind of control function is provided in the present embodiment comprising the communication as described in above-mentioned 11st embodiment
Device.
Referring to Figure 19, a kind of control function is shown in figure, comprising: first processor 1901,1902 and of first memory
First transceiver 1903, wherein
First processor 1901 is used to read the program in first memory 1902, executes following process: from information management
The information of function acquisition terminal；According to the information of the terminal, for terminal triggering connection establishment process or paging operation.
First transceiver 1903 is for sending and receiving data under the control of first processor 1901.
Optionally, first processor 1901 is specifically used for: Xiang Suoshu information management function sends the first request message, described
The mark of terminal is carried in first request message；It receives the information management function returns first to reply message, described the
One reply message in carry the information of the terminal, wherein the information of the terminal includes: status information and/or position letter
Breath.
Optionally, first processor 1901 is specifically used for: when the terminal is Idle state, or when the position of the terminal
When information is tracking area list, paging operation is triggered for terminal.
Optionally, first processor 1901 is specifically used for: when the terminal is connected state, or when the position of the terminal
When information is the information of the access device of terminal connection, connect according to the location information in the information of the terminal to what terminal connected
Enter equipment transmission connection and establishes request message.
Optionally, first processor 1901 is specifically used for: Xiang Suoshu information management function sends the second request message, by institute
It states information management function and sends the third request message triggering terminal originating service request process to the terminal, wherein institute
State the information of network slice where carrying the control function in third request message.
Optionally, first processor 1901 is specifically used for: Xiang Suoshu information management function sends the first notification message,
In, first notification message includes: the mark, status information and/or location information of terminal.
Optionally, first processor 1901 is specifically used for: when the state for detecting the terminal changes, the control
Function processed sends second notification message to the information management function, wherein if the terminal enters connected state, described second
Notification message includes: the mark, status information and/or location information of terminal；If the terminal enters Idle state, described second
Notification message includes: the mark and status information of terminal.
Optionally, first processor 1901 is specifically used for: when the position for detecting the terminal changes, the control
Function processed sends third notice message to the information management function, and the third notice message includes: mark and the position of terminal
Confidence breath.
Optionally, first processor 1901 is specifically used for: detecting whether that the oriented information management function sends the end
The permission of the information at end.
Optionally, first processor 1901 can be CPU (central processing unit), ASIC (Application
SpecificIntegrated Circuit, specific integrated circuit), FPGA (Field-Programmable Gate Array,
Field programmable gate array) or CPLD (Complex Programmable Logic Device, complicated programmable logic device
Part).
Wherein, in Figure 19, bus architecture may include the bus and bridge of any number of interconnection, specifically by the first processing
The various circuits for the memory that the one or more processors and first memory 1002 that device 1901 represents represent link together.
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can also be linked at one by bus architecture
It rises, these are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.The
One transceiver 1903 can be multiple element, that is, include transmitter and receiver, provide for over a transmission medium with it is various its
The unit of his device communication.First processor 1901 is responsible for management bus architecture and common processing, and first memory 1902 can
To store the used data when executing operation of first processor 1901.
16th embodiment
A kind of information management function is provided in the present embodiment comprising as described in above-mentioned 13rd embodiment
Communication device.
Referring to fig. 20, a kind of information management function is shown in figure, comprising: second processor 2001, second memory
2002 and second transceiver 2003, wherein
Second processor 2001 is used to read the program in second memory 2002, executes following process: to control function
The information for sending terminal connects establishment process or paging according to the information of the terminal by the control function for terminal triggering
Operation；Or the information of the terminal according to storage, instruction terminal initiating business request process.
Second transceiver 2003 is for sending and receiving data under the control of second processor 2001.
Optionally, second processor 2001 is specifically used for: sending second to the terminal according to the information of the terminal of storage
Request message indicates the terminal originating service request process, wherein second request message carries the control function
The information of place network slice.
Optionally, second processor 2001 is specifically used for: when the terminal is in the network slice where the control function
When interior entrance Idle state, the status information for the terminal that the control function is sent is received；By the terminal of preservation in the net
Status information in network slice is revised as Idle state.
Optionally, second processor 2001 is specifically used for: multiple networks for being in connected state from the terminal are sliced
One network slice of middle selection, the letter of terminal is sent from the control function of selected network slice to the information management function
Breath.
Optionally, second processor 2001 can be CPU (central processing unit), ASIC (Application
SpecificIntegrated Circuit, specific integrated circuit), FPGA (Field-Programmable Gate Array,
Field programmable gate array) or CPLD (Complex Programmable Logic Device, complicated programmable logic device
Part).
Wherein, in Figure 20, bus architecture may include the bus and bridge of any number of interconnection, specifically by second processing
The various circuits for the memory that the one or more processors and second memory 2002 that device 2001 represents represent link together.
Various other circuits of such as peripheral equipment, voltage-stablizer and management circuit or the like can also be linked at one by bus architecture
It rises, these are all it is known in the art, and therefore, it will not be further described herein.Bus interface provides interface.The
Two transceivers 2003 can be multiple element, that is, include transmitter and receiver, provide for over a transmission medium with it is various its
The unit of his device communication.Second processor 2001 is responsible for management bus architecture and common processing, and second memory 2002 can
To store the used data when executing operation of second processor 2001.In several embodiments provided herein, it answers
It should be it is understood that disclosed method and apparatus, may be implemented in other ways.For example, Installation practice described above
It is only schematical, for example, the division of the unit, only a kind of logical function partition, can have another in actual implementation
Outer division mode, such as multiple units or components can be combined or can be integrated into another system or some features can
To ignore, or do not execute.Another point, shown or discussed mutual coupling, direct-coupling or communication connection can be
Through some interfaces, the indirect coupling or communication connection of device or unit can be electrical property, mechanical or other forms.
It, can also be in addition, the functional units in various embodiments of the present invention may be integrated into one processing unit
It is that the independent physics of each unit includes, can also be integrated in one unit with two or more units.Above-mentioned integrated list
Member both can take the form of hardware realization, can also realize in the form of hardware adds SFU software functional unit.
The above-mentioned integrated unit being realized in the form of SFU software functional unit can store and computer-readable deposit at one
In storage media.Above-mentioned SFU software functional unit is stored in a storage medium, including some instructions are used so that a computer
Equipment (can be personal computer, server or the network equipment etc.) executes receiving/transmission method described in each embodiment of the present invention
Part steps.And storage medium above-mentioned includes: USB flash disk, mobile hard disk, read-only memory (Read-Only Memory, abbreviation
ROM), random access memory (Random Access Memory, abbreviation RAM), magnetic or disk etc. are various can store
The medium of program code.
Above-described is the preferred embodiment of the present invention, it should be pointed out that the ordinary person of the art is come
It says, several improvements and modifications can also be made under the premise of not departing from principle of the present invention, these improvements and modifications also exist
In protection scope of the present invention.
Claims (24)
1. a kind of communication means characterized by comprising
Control function obtains the information of terminal from information management function；
The control function connects establishment process or paging operation according to the information of the terminal for terminal triggering；
The control function connects establishment process according to the information of the terminal for terminal triggering, comprising:
When the terminal be connected state, or when the location information of the terminal be terminal connection access device information when,
The access device that the control function is connected according to the location information in the information of the terminal to terminal sends connection foundation and asks
Seek message；
Wherein, the information of the terminal includes: status information and/or location information, and the terminal connects multiple networks simultaneously and cuts
Piece, and the control function is the control function of network slice.
2. communication means according to claim 1, which is characterized in that the control function obtains eventually from information management function
The information at end, comprising:
The control function sends the first request message to the information management function, carries end in first request message
The mark at end；
The control function receives the information management function returns first and replies message, and described first replies message middle carrying
There is the information of the terminal.
3. communication means according to claim 1, which is characterized in that the control function according to the information of the terminal,
Paging operation is triggered for terminal, comprising:
When the terminal is Idle state, or when the location information of the terminal is tracking area list, the control function is
The terminal triggers paging operation.
4. communication means according to claim 1, which is characterized in that the communication means further include:
The control function sends the second request message to the information management function, from the information management function to the end
End sends third request message and triggers the terminal originating service request process, wherein carries in the third request message
The information of network slice where the control function.
5. communication means according to claim 1, which is characterized in that the communication means further include:
The control function sends the first notification message to the information management function, wherein first notification message includes:
Mark, status information and/or the location information of terminal.
6. communication means according to claim 1, which is characterized in that the communication means further include:
When the control function detects that the state of the terminal changes, the control function is to the information management function
Second notification message can be sent, wherein if the terminal enters connected state, the second notification message includes: the mark of terminal
Knowledge, status information and/or location information；If the terminal enters Idle state, the second notification message includes: the mark of terminal
Knowledge and status information.
7. communication means according to claim 1, which is characterized in that the communication means further include:
When the control function detects that the position of the terminal changes, the control function is to the information management function
Third notice message can be sent, the third notice message includes: the mark and location information of terminal.
8. communication means according to claim 6 or 7, which is characterized in that the communication means further include:
The control function detects whether that the oriented information management function sends the permission of the information of the terminal.
9. a kind of communication means characterized by comprising
Information management function sends the information of terminal to control function, by the control function according to the information of the terminal for eventually
End triggering connection establishment process or paging operation；Or
Information of the information management function according to the terminal of storage, instruction terminal initiating business request process；
The communication means further include:
The information management function is in one network slice of selection in multiple networks slice of connected state from terminal, by being selected
Network slice control function to the information management function send terminal information；
Wherein, the information of the terminal includes: status information and/or location information, and the terminal connects multiple networks simultaneously and cuts
Piece, and the control function is the control function of network slice.
10. communication means according to claim 9, which is characterized in that the information management function is according to the terminal of storage
Information, instruction terminal initiating business request process, comprising:
The information management function sends the second request message to the terminal according to the information of the terminal of storage, indicates the end
Hold initiating business request process, wherein the information of network slice where second request message carries the control function.
11. communication means according to claim 9, which is characterized in that the communication means further include:
When the terminal enters Idle state in the network slice where the control function, the information management function is received
The status information for the terminal that the control function is sent；
Status information of the terminal of preservation in network slice is revised as Idle state by the information management function.
12. a kind of communication device characterized by comprising
Module is obtained, for obtaining the information of terminal from information management function；
Trigger module, for the information according to the terminal, for terminal triggering connection establishment process or paging operation；
The trigger module is further used for: when the terminal is connected state, or when the location information of the terminal is terminal
When the information of the access device of connection, sent according to the access device that the location information in the information of the terminal is connected to terminal
Request message is established in connection；
Wherein, the information of the terminal includes: status information and/or location information, and the terminal connects multiple networks simultaneously and cuts
Piece, and control function is the control function of network slice.
13. communication device according to claim 12, which is characterized in that the acquisition module is further used for: Xiang Suoshu
Information management function sends the first request message, and the mark of terminal is carried in first request message；Receive the information
What management function returned first replies message, described first reply message in carry the information of the terminal.
14. communication device according to claim 12, which is characterized in that the trigger module is further used for: when described
Terminal is Idle state, or when the location information of the terminal is tracking area list, triggers paging operation for terminal.
15. communication device according to claim 12, which is characterized in that the communication device further include:
Second request message sending module, for sending the second request message to the information management function, by the message tube
It manages function and sends third request message to the terminal, trigger the terminal originating service request process, wherein the third is asked
Seek the information of network slice where carrying control function in message.
16. communication device according to claim 12, which is characterized in that the communication device further include:
First notification message sending module, for sending the first notification message to the information management function, wherein described first
Notification message includes: the mark, status information and/or location information of terminal.
17. communication device according to claim 12, which is characterized in that the communication device further include:
Second notification message sending module, for when the state for detecting the terminal changes, Xiang Suoshu information management
Function sends second notification message, wherein if the terminal enters connected state, the second notification message includes: terminal
Mark, status information and/or location information；If the terminal enters Idle state, the second notification message includes: terminal
Mark and status information.
18. communication device according to claim 12, which is characterized in that the communication device further include:
Third notice message transmission module, for when the position for detecting the terminal changes, Xiang Suoshu information management
Function sends third notice message, and the third notice message includes: the mark and location information of terminal.
19. communication device according to claim 16 or 17, which is characterized in that the communication device further include:
Permission judgment module, for detecting whether the oriented information management function sends the permission of the information of the terminal.
20. a kind of control function device, which is characterized in that including the described in any item communication devices of such as claim 12~19.
21. a kind of communication device characterized by comprising
Information sending module, for sending the information of terminal to control function, by the control function according to the letter of the terminal
Breath is terminal triggering connection establishment process or paging operation；And/or
Indicating module, for the information according to the terminal of storage, instruction terminal initiating business request process；
The communication device further include:
Control function selecting module is cut for being in one network of selection in multiple networks slice of connected state from the terminal
Piece sends the information of terminal from the control function of selected network slice to the information management function；
Wherein, the information of the terminal includes: status information and/or location information, and the terminal connects multiple networks simultaneously and cuts
Piece, and the control function is the control function of network slice.
22. communication device according to claim 21, which is characterized in that the indicating module is further used for: according to depositing
The information of the terminal of storage sends the second request message to the terminal, indicates the terminal originating service request process, wherein institute
State the information of network slice where the second request message carries the control function.
23. communication device according to claim 21, which is characterized in that the communication device further include:
Status information modified module, for entering Idle state in the network slice where the control function when the terminal
When, receive the status information for the terminal that the control function is sent；By the terminal of preservation in network slice
Status information be revised as Idle state.
24. a kind of information management function device, which is characterized in that including the described in any item communication dresses of such as claim 21~23
It sets.
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| WO2021081731A1 (en) * | 2019-10-29 | 2021-05-06 | 北京小米移动软件有限公司 | Method and apparatus for connection establishment, base station, user equipment, and core network device |
| CN113127380A (en) * | 2019-12-31 | 2021-07-16 | 华为技术有限公司 | Method for deploying instances, instance management node, computing node and computing equipment |
| CN111294725A (en) * | 2020-01-16 | 2020-06-16 | 芜湖美的厨卫电器制造有限公司 | Water drinking equipment, method for monitoring water drinking equipment, server and water drinking equipment system |
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