CN110167064A - A kind of method, network element, terminal and the system of controlling terminal access - Google Patents

A kind of method, network element, terminal and the system of controlling terminal access Download PDF

Info

Publication number
CN110167064A
CN110167064A CN201810146364.9A CN201810146364A CN110167064A CN 110167064 A CN110167064 A CN 110167064A CN 201810146364 A CN201810146364 A CN 201810146364A CN 110167064 A CN110167064 A CN 110167064A
Authority
CN
China
Prior art keywords
network element
admission control
congestion
network
control
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201810146364.9A
Other languages
Chinese (zh)
Other versions
CN110167064B (en
Inventor
李大鹏
高音
卢飞
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ZTE Corp
Original Assignee
ZTE Corp
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by ZTE Corp filed Critical ZTE Corp
Priority to CN201810146364.9A priority Critical patent/CN110167064B/en
Priority to PCT/CN2019/071729 priority patent/WO2019154028A1/en
Publication of CN110167064A publication Critical patent/CN110167064A/en
Application granted granted Critical
Publication of CN110167064B publication Critical patent/CN110167064B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W28/00Network traffic management; Network resource management
    • H04W28/02Traffic management, e.g. flow control or congestion control
    • H04W28/0289Congestion control
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/02Access restriction performed under specific conditions
    • H04W48/06Access restriction performed under specific conditions based on traffic conditions
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W48/00Access restriction; Network selection; Access point selection
    • H04W48/08Access restriction or access information delivery, e.g. discovery data delivery
    • H04W48/10Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
    • HELECTRICITY
    • H04ELECTRIC COMMUNICATION TECHNIQUE
    • H04WWIRELESS COMMUNICATION NETWORKS
    • H04W68/00User notification, e.g. alerting and paging, for incoming communication, change of service or the like

Abstract

The present invention provides method, network element, terminal and the system of a kind of controlling terminal access, it include: that the first network element receives the admission control map information that the second network element is sent, first network element is sliced serviced terminal in congested network according to admission control map information control and accesses.Scheme through the invention can overcome and when network is sliced congestion, enable to network element rationally to control the receiving in the serviced terminal of congested network slice in the prior art, to greatly increase the Experience Degree of user.

Description

A kind of method, network element, terminal and the system of controlling terminal access
Technical field
The present invention relates to wireless telecommunication system technical field, espespecially a kind of method of controlling terminal access, network element, terminal and System.
Background technique
Currently, accommodating control function is the basic function of Radio Access Network, it is (long-term in Long Term Evolution Evolution, referred to as: LTE) stage, the means of admission control include that base station side passes through system broadcast message broadcast admission control criterion, Terminal reads the parameter in system broadcast message, and terminal executes admission control according to parameter.Fifth-generation (the 5th generation Mobile communication technology, referred to as: 5G) stage admission control demand come from Third Generation Partnership 22.261 agreement of standardization document TS of Project (third generation partner program, referred to as: 3GPP).
Industry has further started the research of 5G, and network slice (Network Slice) is an important set of 5G At part.So-called network slice is primarily referred to as by one group of network function (Internet resources comprising supporting the network function) group At the instantiation with specific network characteristic complete logical network, the logical network is for meeting certain a kind of ad hoc networks The demand of network business.
In the prior art, when network slice is in congestion state, network element can not identify the corresponding receiving of network slice Control, the request that triggers is it is even more impossible to control when for being in connected state, therefore, when the congestion that network element is sliced based on network, how There are no solutions so far for the problem of control is sliced serviced terminal access in congested network.
Summary of the invention
To solve the above-mentioned problems, the invention proposes a kind of controlling terminal access method, network element, terminal and system, When network slice is in blocked state, enables to network element rationally to control and be sliced connecing for serviced terminal in congested network It receives.
In order to solve the above-mentioned technical problem, in a first aspect, the invention proposes a kind of method of controlling terminal access, the party Method includes:
First network element receives the admission control map information that the second network element is sent;
First network element is sliced serviced terminal in congested network according to admission control map information control Access.
As described above, the admission control map information includes at least one of:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
As described above, the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
As described above, first network element is access network elements, second network element is core network element.
As described above, if it is in network that first network element, which receives the admission control map information that second network element is sent, Before congestion occurs for slice, first network element saves the admission control map information, receives what second network element was sent Congestion control announcement message, and unified admission control and/or the control of congestion signaling are carried out according to the congestion control announcement message, Wherein, the slice mark that the network slice of congestion occurs is carried in the congestion control announcement message and/or network slice corresponds to Admission control type.
As described above, if it is in network that first network element, which receives the admission control map information that second network element is sent, During congestion occurs for slice, first network element receives the congestion control announcement message that second network element is sent, and according to institute It states congestion control announcement message and carries out unified admission control and/or the control of congestion signaling, wherein the congestion control announcement message In carry admission control map information and occur congestion network slice slice information.
As described above, first network element receive the generation congestion that second network element is sent admission control type it Afterwards, first network element determines what the terminal was sent according to the admission control type for the generation congestion for receiving terminal transmission When the admission control type for the generation congestion that the admission control type that congestion occurs belongs to the transmission of the second network element, first network element It executes congestion signaling and controls the terminal access.
Second aspect, the invention also provides a kind of methods of controlling terminal access, this method comprises:
Second network element sends admission control map information to the first network element, wherein the admission control map information is used for First network element is sliced serviced terminal in congested network according to admission control map information control and accesses.
As described above, the admission control map information includes at least one of:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
As described above, the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
As described above, first network element is access network elements, second network element is core network element.
As described above, if it is to be sliced to occur in network that second network element, which sends admission control map information to the first network element, Before congestion, the admission control map information is sent to first network element and saved by second network element;In the network After congestion occurs for slice, second network element carries the slice that the network slice of congestion occurs in congestion control announcement message Mark and/or network are sliced corresponding admission control type and are sent to first network element.
As described above, if it is to be sliced to occur in network that second network element, which sends admission control map information to the first network element, During congestion, second network element carries admission control map information in congestion control announcement message and the net of congestion occurs The network slice information of network slice is sent to first network element.
As described above, if it is to be sliced to occur in network that second network element, which sends admission control map information to the first network element, After congestion, second network element carries admission control map information in congestion control announcement message and terminates congestion The network slice information of network slice is sent to first network element.
As described above, the admission control type for the generation congestion that second network element is sent is to first network element, wherein The admission control type that congestion occurs determines the admission control class of the generation congestion of terminal transmission for first network element Whether type belongs to the admission control type of the generation congestion of the second network element transmission.
The third aspect, the invention also provides a kind of methods of controlling terminal access, are applied to terminal, this method comprises:
When the network for serving terminal is sliced in congestion, the terminal is mapped according to the admission control of the first network element to be believed The control of breath is accessed.
As described above, the admission control map information includes at least one of:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
As described above, the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
As described above, when the network for serving terminal is sliced in congestion, the terminal is according to the receiving of the first network element Before the control of control map information is accessed, the method also includes:
The terminal sends the admission control type that congestion occurs to first network element, really according to the first network element institute Fixed congestion signaling control is accessed.
As described above, the terminal, which is sent, occurs the admission control type of congestion to first network element, comprising:
The terminal sends the air interface radio resources control RRC information for carrying the admission control type that congestion occurs To first network element, wherein the admission control type is former in the foundation of air interface radio resources control RRC information In the field of cause.
Fourth aspect, the invention also provides a kind of network elements, comprising: memory, processor and is stored in the memory Computer program that is upper and can running on the processor, the processor are realized when executing the computer program as above-mentioned The processing of the described in any item methods of first aspect.
5th aspect, the invention also provides a kind of network elements, comprising: memory, processor and is stored in the memory Computer program that is upper and can running on the processor, the processor are realized when executing the computer program as above-mentioned The processing of the described in any item methods of second aspect.
6th aspect, the invention also provides a kind of terminals, comprising: memory, processor and is stored in the memory Computer program that is upper and can running on the processor, which is characterized in that the processor executes the computer program The processing of for example above-mentioned described in any item methods of the third aspect of Shi Shixian.
7th aspect, the invention also provides a kind of systems of controlling terminal access, which includes: that the system includes upper State terminal described in network element described in network element described in fourth aspect, above-mentioned 5th aspect and above-mentioned 6th aspect.
Compared with prior art, the present invention a kind of method, network element, terminal and the system of controlling terminal access, technical side Case includes: that the first network element receives the admission control map information that the second network element is sent, and first network element is controlled according to the receiving Map information control processed is sliced serviced terminal access in congested network.Scheme through the invention can overcome existing In technology when network is sliced congestion, enables to network element rationally to control and be sliced connecing for serviced terminal in congested network It receives, to greatly increase the Experience Degree of user.
Detailed description of the invention
The attached drawing in the embodiment of the present invention is illustrated below, the attached drawing in embodiment be for of the invention into one Step understands, is used to explain the present invention, does not constitute a limitation on the scope of protection of the present invention together with specification.
Fig. 1 is a kind of flow diagram of the execution signaling refusal problem provided in the prior art;
Fig. 2 is the flow diagram that admission control problem is unified in a kind of execution provided in the prior art;
Fig. 3 is a kind of flow diagram of the method for controlling terminal access provided by the invention;
Fig. 4 is a kind of interaction schematic diagram of the method for controlling terminal access that the embodiment of the present invention one provides;
Fig. 5 is the interaction schematic diagram of the method for another controlling terminal provided by Embodiment 2 of the present invention access;
Fig. 6 is the interaction schematic diagram of the method for another controlling terminal access that the embodiment of the present invention three provides;
Fig. 7 is the flow diagram of the method for another controlling terminal access that the embodiment of the present invention four provides.
Specific embodiment
For the ease of the understanding of those skilled in the art, the invention will be further described with reference to the accompanying drawing, not It can be used to limit the scope of the invention.It should be noted that in the absence of conflict, embodiment and reality in the application The various modes applied in example can be combined with each other.
Before introducing providing method of the embodiment of the present invention and device, the part noun being related to is explained first.
Network slice (Network Slice) is an important component of 5G.So-called network slice, be primarily referred to as by The instantiation with specific network characteristic of one group of network function (Internet resources comprising supporting the network function) composition Complete logical network, the logical network for meeting the needs of certain a kind of particular network business, network characteristic here Example has ultralow delay, ultrahigh reliability etc..
In order to more preferably illustrate technical solution of the present invention and technical effect, first actual conditions in the prior art are carried out It is illustrated below:
As shown in Figure 1, when certain network is sliced generation congestion, since the first network element can not know that network slice and business are asked The incidence relation asked, the service request can be, and the first network element can not execute the service request of congestion signaling controlling terminal, occur The service request of terminal in congested network slice is still sent to the second network element device in congestion.Such as: the business Request can be wireless heterogeneous networks (Radio Resource Control abbreviation: RRC) request, then congestion signaling control can To be (RRC request refusal), the terminal in congested network slice, which occurs, in that still can request that RRC be sent in congestion Second network element device.
As shown in Fig. 2, can not know network slice when certain network is sliced generation congestion due to the first network element and uniformly connect Receive the corresponding relationship of Control Cooling, the first network element can not execute unified admission control, the terminal in congested network slice occurs Service request is still sent to the second network element device in congestion.
To solve the above-mentioned problems, referring to Fig. 3, in a first aspect, the invention proposes a kind of method of controlling terminal access, The described method includes:
Step S101, the first network element receive the admission control map information that the second network element is sent;
Step S102, first network element are taken according to admission control map information control in congested network slice The terminal of business accesses.
In the present embodiment, which can be access network elements, such as: the base station 4G (ng-eNB) or the base station 5G (gNB) or gNB-CU;Second network element can be core network element, such as: 4G core network element mobile management entity The key control node of (Mobility Management Entity, referred to as: MME) or 5G core network element access network (Core Access and Mobility Management Function, referred to as: AMF).
In the present embodiment, the first network element receives the admission control map information that the second network element is sent, which reflects Penetrating information includes one of following or combination:
1: admission control type (access control category) is identified as number 32 to number in the case where optimization Word 63;
2: admission control identity (Access Identity);
3: admission control parameter, admission control parameter pass relevant with admission control type and/or admission control identity System;
4:5G service quality identifies (5QI);
5: data network mark (Digital Data Net, referred to as: DNN);
6: operating system identifies (Operating System IDentity, referred to as: OS ID);
7: application identities (Operating System Application IDentity, referred to as: OS APP ID);
8: operator identifier (public land mobile network Public land mobile network, referred to as: PLMN);
9: wireless heterogeneous networks (Radio Resource Control abbreviation: RRC) establish cause value (RRC setup establishment cause)。
In the present embodiment, above-mentioned admission control parameter includes at least one of following or combination:
Forbid the factor (barring factor);
Disable time (barring timer);
Forbid bitmap (bitmap);
Forbidding ratio, (such as 90% the first network element of instruction can only receive 90% service request, and the business for refusing 10% asks It asks).
In the present embodiment, the received admission control map information of above-mentioned first network element may be embodied in following either interface In message:
The interface message that standard defines;
Newly-designed interface message;
It is multiplexed existing interface message.
Specifically, the received admission control map information of the first network element may be embodied in the interface message that above-mentioned standard defines In, such as can be the NG interface of 5G or the S1 interface of 4G;The other received admission control map information of first network element can also be with Included in newly-designed interface message, or multiplexing existing interface message, the multiplexing existing interface message can for example answer With NG setup request, overload restarts the message such as Overload start, but is not limited thereto.
In the present embodiment, if first network element receive the admission control map information that second network element is sent be Before congestion occurs for network slice, first network element saves the admission control map information, and receives second network element The congestion control announcement message of transmission, and unified admission control and/or congestion letter are carried out according to the congestion control announcement message Enable control, wherein carry the slice mark that the network slice of congestion occurs in the congestion control announcement message and/or network is cut The corresponding admission control type of piece.
Specifically, if the time that first network element receives the admission control map information that second network element is sent can be with Before network is sliced congestion occurs, can be when the first network element and the second network element establish connection (such as: the 5G stage establishes NG Connection or 4G stage establish S1 connection), admission control map information is sent to the first network element and saved by the second network element.When congestion is sent out After life, the second network element in congestion control announcement message (such as: overload restart Overload start message), which carries, to be gathered around Fill in network slice network slice mark (such as: Single Network Slice Selection Assistance Information, referred to as: S-NSSAI) and/or the corresponding admission control type of network slice;First network element is according to the information Carry out unified admission control (User Account Control, referred to as: UAC) and/or the control of congestion signaling (such as: RRC is refused Absolutely).
In the present embodiment, if first network element receive the admission control map information that second network element is sent be During congestion occurs for network slice, first network element receives the congestion control announcement message that second network element is sent, and root Unified admission control and/or the control of congestion signaling are carried out according to the congestion control announcement message, wherein the congestion control announcement Admission control map information is carried in message and the slice information of the network slice of congestion occurs.
Specifically, if first network element receives the time for the admission control map information that second network element is sent in net During congestion occurs for network slice, the second network element in congestion control announcement message (such as: overload restarts Overload start and disappears Breath) carry admission control map information and occur congestion slice slice information (such as: S-NSSAI, admission control type connect It receives and controls identity, data network mark, operating system identifies, application identities, operator identifier).First network element receives described After congestion control announcement message according to service request of the information to place slice terminal execute unified admission control (UAC) and Or congestion signaling control (RRC refusal).
In the present embodiment, if first network element receive the admission control map information that second network element is sent be After network slice generation congestion terminates, first network element receives the congestion control announcement message that second network element is sent, And unified admission control and/or the control of congestion signaling are carried out according to the congestion control announcement message, wherein the congestion control Admission control map information is carried in notification message and terminates the slice information of the network slice of congestion.
Specifically, if first network element receives the time for the admission control map information that second network element is sent in net Network slice occurs after congestion terminates, the second network element in congestion control message (such as: overload restarts Overload start and disappears Breath) carry admission control map information and terminate congestion slice slice information (such as: S-NSSAI, admission control type connect It receives and controls identity, data network mark, operating system identifies, application identities, operator identifier).First network element receives described Terminate to request unified admission control (UAC) and/or congestion signaling to control (RRC place slice terminal traffic after congestion control message Refusal).
In the present embodiment, the admission control class for the generation congestion that second network element is sent is received in first network element After type, first network element determines the terminal hair according to the admission control type for the generation congestion for receiving terminal transmission When the admission control type for the generation congestion sent belongs to the admission control type of the generation congestion of the second network element transmission, described first Network element executes congestion signaling and controls the terminal access.
Specifically, the second network element can send the admission control type (access control category) that congestion occurs To the first network element;
It also can include admission control type that terminal, which is sent in the message of the first network element,;
The admission control type that the admission control type and terminal that first network element can send the second network element are sent is sentenced It is disconnected, if the admission control type that the admission control type that terminal is sent is sent with the second network element is consistent, first network element Execute terminal of congestion signaling control (RRC refusal) control in congested network slice.
The message that the terminal is sent to the first network element may be embodied in air interface RRC information, such as: TS 38.331 In RRC Connection Request message.
What the admission control type specifically may be embodied in the air interface RRC information establishes reason In (establishment cause) field.
Compared with prior art, the present invention provides a kind of method of controlling terminal access, is applied to the first network element, this method It include: that the first network element receives the admission control map information that the second network element is sent, first network element is according to the admission control Map information control is sliced serviced terminal access in congested network.Scheme through the invention can overcome existing skill In art when network is sliced congestion, network element is enabled to rationally to control the receiving for being sliced serviced terminal in congested network, To greatly increase the Experience Degree of user.
Second aspect, the invention proposes a kind of methods of controlling terminal access, which comprises
Second network element sends admission control map information to the first network element, wherein the admission control map information is used for First network element is sliced serviced terminal in congested network according to admission control map information control and accesses.
In the present embodiment, which can be access network elements, such as: the base station 4G (ng-eNB) or the base station 5G (gNB) or gNB-CU;Second network element can be core network element, such as: 4G core network element mobile management entity The key control node of (Mobility Management Entity, referred to as: MME) or 5G core network element access network (Core Access and Mobility Management Function, referred to as: AMF).
In the present embodiment, the first network element receives the admission control map information that the second network element is sent, which reflects Penetrating information includes one of following or combination:
1: admission control type (access control category) is identified as number 32 to number in the case where optimization Word 63;
2: admission control identity (Access Identity);
3: admission control parameter, admission control parameter pass relevant with admission control type and/or admission control identity System;
4:5G service quality identifies (5QI);
5: data network mark (Digital Data Net, referred to as: DNN);
6: operating system identifies (Operating System IDentity, referred to as: OS ID);
7: application identities (Operating System Application IDentity, referred to as: OS APP ID);
8: operator identifier (public land mobile network Public land mobile network, referred to as: PLMN);
9: wireless heterogeneous networks (Radio Resource Control abbreviation: RRC) establish cause value (RRC setup establishment cause)。
In the present embodiment, above-mentioned admission control parameter includes at least one of following or combination:
Forbid the factor (barring factor);
Disable time (barring timer);
Forbid bitmap (bitmap);
Forbidding ratio, (such as 90% the first network element of instruction can only receive 90% service request, and the business for refusing 10% asks It asks).
In the present embodiment, the received admission control map information of above-mentioned first network element may be embodied in following either interface In message:
The interface message that standard defines;
Newly-designed interface message;
It is multiplexed existing interface message.
Specifically, the received admission control map information of the first network element may be embodied in the interface message that above-mentioned standard defines In, such as can be the NG interface of 5G or the S1 interface of 4G;The other received admission control map information of first network element can also be with Included in newly-designed interface message, or multiplexing existing interface message, the multiplexing existing interface message can for example answer With NG setup request, overload restarts the message such as Overload start, but is not limited thereto.
In the present embodiment, if second network element, which sends admission control map information to the first network element, to be sliced in network Before congestion occurs, the admission control map information is sent to first network element and saved by second network element;Described After congestion occurs for network slice, second network element carries the network slice that congestion occurs in congestion control announcement message Slice mark and/or network are sliced corresponding admission control type and are sent to first network element.
Specifically, if second network element send admission control map information time network be sliced occur congestion it Before, can be when the first network element and the second network element establish connection (such as: the 5G stage establishes NG connection or the 4G stage establishes S1 and connects Connect), admission control map information is sent to the first network element and saved by the second network element.After congestion occurs, the second network element is in congestion In control notification message (such as: overload restarts Overload start message) carry the network slice that congested network slice occurs Mark (such as: Single Network Slice Selection Assistance Information, referred to as: S-NSSAI) And/or network is sliced corresponding admission control type;First network element carries out unified admission control (User according to the information Account Control, referred to as: UAC) and/or the control of congestion signaling (such as: RRC refusal).
In the present embodiment, if second network element, which sends admission control map information to the first network element, to be sliced in network During congestion occurs, second network element carries admission control map information in congestion control announcement message and congestion occurs Network slice network slice information be sent to first network element.
Specifically, if the time that second network element sends admission control map information is sliced in network occurs the congestion phase Between, the second network element in congestion control announcement message (such as: overload restart Overload start message) carries admission control Map information and occur congestion slice slice information (such as: S-NSSAI, admission control type, admission control identity, data Network identity, operating system identifies, application identities, operator identifier).First network element receives the congestion control announcement message Unified admission control (UAC) is executed according to service request of the information to place slice terminal afterwards and/or congestion signaling controls (RRC refusal).
In the present embodiment, if second network element, which sends admission control map information to the first network element, to be sliced in network After congestion occurs, admission control map information is carried in congestion control announcement message for second network element and end is gathered around The network slice information of the network slice of plug is sent to first network element.
Specifically, terminating if the time of second network element transmission admission control map information is sliced generation congestion in network Later, the second network element in congestion control message (such as: overload restart Overload start message) carries admission control and reflects Penetrate information and terminate congestion slice slice information (such as: S-NSSAI, admission control type, admission control identity, data network Network mark, operating system identifies, application identities, operator identifier).First network element terminates after receiving the congestion control message Unified admission control (UAC) and/or congestion signaling control (RRC refusal) are requested to place slice terminal traffic.
In the present embodiment, the admission control type for the generation congestion that second network element is sent to first network element, Wherein, the admission control type that congestion occurs determines the receiving control of the generation congestion of terminal transmission for first network element Whether type processed belongs to the admission control type of the generation congestion of the second network element transmission.
Specifically, the second network element can send the admission control type (access control category) that congestion occurs To the first network element;
It also can include admission control type that terminal, which is sent in the message of the first network element,;
The admission control type that the admission control type and terminal that first network element can send the second network element are sent is sentenced It is disconnected, if the admission control type that the admission control type that terminal is sent is sent with the second network element is consistent, first network element Execute terminal of congestion signaling control (RRC refusal) control in congested network slice.
The message that the terminal is sent to the first network element may be embodied in air interface RRC information, such as: TS 38.331 In RRC Connection Request message.
What the admission control type specifically may be embodied in the air interface RRC information establishes reason In (establishment cause) field.
Compared with prior art, the present invention provides a kind of method of controlling terminal access, is applied to the second network element, the second net Member sends admission control map information to the first network element, wherein the admission control map information is used for the first network element root Serviced terminal access is sliced in congested network according to admission control map information control.Scheme through the invention, Can overcome in the prior art when network be sliced congestion when, enable to network element rationally control in congested network be sliced serviced Terminal receiving, to greatly increase the Experience Degree of user.
The third aspect, the invention proposes a kind of methods of controlling terminal access, are applied to terminal, which comprises
When the network for serving terminal is sliced in congestion, the terminal is mapped according to the admission control of the first network element to be believed The control of breath is accessed.
In the present embodiment, which includes one of following or combination:
1: admission control type (access control category) is identified as number 32 to number in the case where optimization Word 63;
2: admission control identity (Access Identity);
3: admission control parameter, admission control parameter pass relevant with admission control type and/or admission control identity System;
4:5G service quality identifies (5QI);
5: data network mark (Digital Data Net, referred to as: DNN);
6: operating system identifies (Operating System IDentity, referred to as: OS ID);
7: application identities (Operating System Application IDentity, referred to as: OS APP ID);
8: operator identifier (public land mobile network Public land mobile network, referred to as: PLMN);
9: wireless heterogeneous networks (Radio Resource Control abbreviation: RRC) establish cause value (RRC setup establishment cause)。
In the present embodiment, above-mentioned admission control parameter includes at least one of following or combination:
Forbid the factor (barring factor);
Disable time (barring timer);
Forbid bitmap (bitmap);
Forbidding ratio, (such as 90% the first network element of instruction can only receive 90% service request, and the business for refusing 10% asks It asks).
In the present embodiment, when the network for serving terminal is sliced in congestion, the terminal is according to the first network element Before the control of admission control map information is accessed, the method also includes: the terminal sends the receiving of generation congestion Control Cooling is accessed to first network element according to the control of congestion signaling determined by first network element.
In the present embodiment, the terminal, which is sent, occurs the admission control type of congestion to first network element, comprising: institute It states terminal and sends the air interface radio resources control RRC information for carrying the admission control type that congestion occurs to described first Network element, wherein the field of establishing reason of the admission control type in air interface radio resources control RRC information It is interior.
Specifically, the second network element can send the admission control type (access control category) that congestion occurs To the first network element;
It also can include admission control type that terminal, which is sent in the message of the first network element,;
The admission control type that the admission control type and terminal that first network element can send the second network element are sent is sentenced It is disconnected, if the admission control type that the admission control type that terminal is sent is sent with the second network element is consistent, first network element Execute terminal of congestion signaling control (RRC refusal) control in congested network slice.
The message that the terminal is sent to the first network element may be embodied in air interface RRC information, such as: TS 38.331 In RRC Connection Request message.
What the admission control type specifically may be embodied in the air interface RRC information establishes reason In (establishment cause) field.
Compared with prior art, the present invention provides a kind of method of controlling terminal access, is applied to terminal, this method packet Include: when the network for serving terminal is sliced in congestion, the terminal is according to the admission control map information of the first network element Control is accessed.Scheme through the invention, can overcome in the prior art when network be sliced congestion when, enable to network element Rationally control is sliced the receiving of serviced terminal in congested network, to greatly increase the Experience Degree of user.
Fourth aspect, based on same as the previously described embodiments or similar design, the invention proposes a kind of network elements, comprising: Memory, processor and it is stored in the computer program that can be run on the memory and on the processor, feature exists In the processor realizes the method as described in any one of above-mentioned first aspect embodiment when executing the computer program Processing.
5th aspect, based on same as the previously described embodiments or similar design, the invention proposes a kind of network elements, comprising: Memory, processor and it is stored in the computer program that can be run on the memory and on the processor, feature exists In the processor realizes the method as described in any one of above-mentioned second aspect embodiment when executing the computer program Processing.
6th aspect, based on same as the previously described embodiments or similar design, the invention proposes a kind of terminals, comprising: Memory, processor and it is stored in the computer program that can be run on the memory and on the processor, feature exists In the processor realizes the method as described in any one of the above-mentioned third aspect embodiment when executing the computer program Processing.
7th aspect, based on same as the previously described embodiments or similar design, the present invention proposes a kind of controlling terminal access System, the system include network element described in above-mentioned fourth aspect, it is above-mentioned 5th aspect described in network element and it is above-mentioned 6th aspect The terminal.
Technical solution in order to better illustrate the present invention is now listed below embodiment and is illustrated:
Embodiment one
Referring to fig. 4, in the present embodiment, the first network element can be access network elements, such as: the base station 4G (ng-eNB) or 5G base Stand (gNB) or (gNB-CU);Second network element can be core network element, such as: 4G core network element, mobile management entity (Mobility Management Entity, referred to as: MME) or 5G core network element, access the key control node of network (Core Access and Mobility Management Function, referred to as: AMF), in the present embodiment, with the first net Member is the base station 5G (gNB), and the second network element is described in detail as follows for being AMF:
Congestion occurs for network slice on step 1:AMF.
Step 2:AMF sends congestion control announcement message to gNB, the congestion control announcement message can be comprising load-carrying Open the message of Overload start, wherein the congestion control announcement message, which has, to be carried admission control map information and gather around The information of the network slice of plug, which is, for example: network slice mark (Single Network Slice Selection Assistance Information, referred to as: S-NSSAI), admission control type, admission control identity, data Network identity, operating system identifies, application identities, operator identifier, wireless heterogeneous networks (Radio Resource Control, referred to as: RRC) cause value etc. is established, but be not limited thereto.
Step 3: being sliced serviced terminal in congested network and initiate RRC foundation request.
Step 4,5, gNB establishes the relationship for asking summation network to be sliced by the RRC of the configuration identification terminal of step 2.
Such as: RRC establishes carrying RRC in request and establishes reason (establishment cause), and gNB is known by step 2 Road RRC establishes the relationship of cause value and network slice.Therefore, the access of terminal can be refused with this.
Embodiment two
Referring to Fig. 5, in the present embodiment, the first network element can be access network elements, such as: the base station 4G (ng-eNB) or 5G base Stand (gNB) or (gNB-CU);Second network element can be core network element, such as: 4G core network element, mobile management entity (Mobility Management Entity, referred to as: MME) or 5G core network element, access the key control node of network (Core Access and Mobility Management Function, referred to as: AMF), in the present embodiment, with the first net Member is the base station 5G (gNB), and the second network element is described in detail as follows for being AMF:
Admission control map information is sent to gNB by step 1:AMF, and wherein the admission control map information can be receiving Control Cooling, admission control identity, data network mark, operating system identifies, application identities, operator identifier, radio resource Cause value etc. is established in control (Radio Resource Control, referred to as: RRC), but is not limited thereto.
Congestion occurs for the network slice of step 2:AMF.
Step 3:AMF sends congestion control announcement message to gNB, the congestion control announcement message can be comprising load-carrying Open the message of Overload start, wherein the congestion control announcement message has the network slice information for carrying and congestion occurring, example It is in this way: network slice mark (Single Network Slice Selection Assistance Information, referred to as: S-NSSAI)。
Step 4:gNB is received according to the admission control map information modification unification of the congestion slice information and step 1 of step 3 The parameter of control.
Step 5:gNB by modified unified admission control parameter configuration to terminal, such as: by system broadcast message or Person's paging message.
Step 6: service request can not be sent after unified admission control by being sliced serviced terminal in congested network.
It should be strongly noted that no matter terminal is in RRC Idle state under the scene, RRC connected state or RRC are inactive State (inactive), as long as terminal can identify that service request belongs to the network slice of congestion, service request can be by It terminates.This point in the prior art, all do not accomplish by especially RRC connected state and when RRC inactive.
Embodiment three
Referring to Fig. 6, in the present embodiment, the first network element can be access network elements, such as: the base station 4G (ng-eNB) or 5G base Stand (gNB) or (gNB-CU);Second network element can be core network element, such as: 4G core network element, mobile management entity (Mobility Management Entity, referred to as: MME) or 5G core network element, access the key control node of network (Core Access and Mobility Management Function, referred to as: AMF), in the present embodiment, with the first net Member is the base station 5G (gNB), and the second network element is described in detail as follows for being AMF:
Congestion occurs for network slice on step 1:AMF.
Step 2:AMF sends congestion control announcement message to gNB, the congestion control announcement message can be comprising load-carrying Open the message of Overload start, wherein the congestion control announcement message has the receiving control for carrying and congested network slice occurring Type (access category) processed.
Step 3: being sliced serviced terminal in congested network and initiate RRC foundation request, carry and receive in reason for claim Control Cooling (access caegory).
Step 4:gNB identifies that service request and congested network are sliced according to the admission control type (access caegory) Relationship.
Step 5: the service request of terminal is rejected.
Example IV
Referring to Fig. 7, in the present embodiment, the first network element can be access network elements, such as: the base station 4G (ng-eNB) or 5G base Stand (gNB) or (gNB-CU);Second network element can be core network element, such as: 4G core network element, mobile management entity (Mobility Management Entity, referred to as: MME) or 5G core network element, access the key control node of network (Core Access and Mobility Management Function, referred to as: AMF), in the present embodiment, with the first net Member is the base station 5G (gNB), and the second network element is described in detail as follows for being AMF:
Network slice congestion is eliminated on step 1:AMF.
Step 2:AMF sends congestion control announcement message to gNB, the congestion control announcement message can be comprising load-carrying Open the message of Overload start, wherein the congestion control announcement message has the receiving control for carrying and eliminating congested network slice Type (access category) processed.
Step 3: being sliced serviced terminal in congested network and initiate RRC foundation request, carry and receive in reason for claim Control Cooling (access caegory).
Step 4:gNB identifies that service request and congested network are sliced according to the admission control type (access caegory) Relationship, determine that congestion has been eliminated.
Step 5: the service request of terminal is allowed to be sent to core network element.
It should be noted that embodiment described above be merely for convenience of it will be understood by those skilled in the art that, and It is not used in and limits the scope of the invention, under the premise of not departing from inventive concept of the invention, those skilled in the art couple Any obvious replacement and improvement that the present invention is made etc. are within the scope of the present invention.

Claims (25)

1. a kind of method of controlling terminal access, which is characterized in that the described method includes:
First network element receives the admission control map information that the second network element is sent;
First network element is sliced serviced terminal in congested network according to admission control map information control and accesses.
2. the method according to claim 1, wherein the admission control map information include it is following at least it One:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
3. according to the method described in claim 2, it is characterized in that, the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
4. the method according to claim 1, wherein first network element is access network elements, second net Member is core network element.
5. the method according to claim 1, wherein if first network element receives what second network element was sent Admission control map information is before network is sliced generation congestion, and first network element saves the admission control mapping letter Breath receives the congestion control announcement message that second network element is sent, and carries out unification according to the congestion control announcement message Admission control and/or the control of congestion signaling, wherein the network slice that congestion occurs is carried in the congestion control announcement message Slice mark and/or network are sliced corresponding admission control type.
6. the method according to claim 1, wherein if first network element receives what second network element was sent Admission control map information is during network is sliced generation congestion, and first network element receives gathering around for the second network element transmission Plug control notification message, and unified admission control and/or the control of congestion signaling are carried out according to the congestion control announcement message, In, admission control map information is carried in the congestion control announcement message and the slice letter of the network slice of congestion occurs Breath.
7. the method according to claim 1, wherein if first network element receives what second network element was sent Admission control map information is after network slice generation congestion terminates, and first network element receives second network element and sends Congestion control announcement message, and unified admission control and/or congestion signaling control are carried out according to the congestion control announcement message System, wherein carry admission control map information in the congestion control announcement message and terminate cutting for the network slice of congestion Piece information.
8. according to the method described in claim 2, it is characterized in that, receiving what second network element was sent in first network element After the admission control type that congestion occurs, first network element is according to the admission control for receiving the generation congestion that terminal is sent Type determines that the admission control type for the generation congestion that the terminal is sent belongs to the receiving of the generation congestion of the second network element transmission When Control Cooling, first network element executes congestion signaling and controls the terminal access.
9. a kind of method of controlling terminal access, which is characterized in that the described method includes:
Second network element sends admission control map information to the first network element, wherein the admission control map information is for described First network element is sliced serviced terminal in congested network according to admission control map information control and accesses.
10. according to the method described in claim 9, it is characterized in that, the admission control map information include it is following at least it One:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
11. according to the method described in claim 10, it is characterized in that, the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
12. according to the method described in claim 9, it is characterized in that, first network element is access network elements, second net Member is core network element.
13. according to the method described in claim 9, it is characterized in that, if second network element sends admission control map information It is before network is sliced generation congestion to the first network element, the admission control map information is sent to institute by second network element State the preservation of the first network element;After the network is sliced generation congestion, second network element is taken in congestion control announcement message Slice mark and/or network with the network slice that congestion occurs are sliced corresponding admission control type and are sent to first net Member.
14. according to the method described in claim 9, it is characterized in that, if second network element sends admission control map information It is during network is sliced generation congestion to the first network element, second network element carries receiving in congestion control announcement message The network slice information that control map information and the network that congestion occurs are sliced is sent to first network element.
15. according to the method described in claim 9, it is characterized in that, if second network element sends admission control map information It is after network is sliced generation congestion to the first network element, second network element carries in congestion control announcement message to be connect The network slice information that control map information is sliced with the network for terminating congestion of receiving is sent to first network element.
16. according to right want 10 described in method, which is characterized in that the admission control for the generation congestion that second network element is sent Type gives first network element, wherein the admission control type that congestion occurs determines that terminal is sent out for first network element Whether the admission control type for the generation congestion sent belongs to the admission control type of the generation congestion of the second network element transmission.
17. a kind of method of controlling terminal access, is applied to terminal, which is characterized in that the described method includes:
When the network for serving terminal is sliced in congestion, the terminal is according to the admission control map information of the first network element Control is accessed.
18. according to the method for claim 17, which is characterized in that the admission control map information include it is following at least it One:
Admission control type;
Admission control identity;
Admission control parameter;
Mobile communication technology service quality mark;
Data network mark;
Operating system identifies;
Application identities;
Operator identifier;
Radio resource control RRC establishes cause value.
19. according to the method for claim 18, which is characterized in that the admission control parameter includes at least one of:
Forbid the factor;
Disable time;
Forbid bitmap;
Forbid ratio.
20. according to the method for claim 17, which is characterized in that when the network for serving terminal is sliced in congestion, Before the terminal is accessed according to the control of the admission control map information of the first network element, the method also includes:
The terminal sends the admission control type that congestion occurs to first network element, according to determined by first network element The control of congestion signaling is accessed.
21. according to the method for claim 20, which is characterized in that the terminal sends the admission control type that congestion occurs To first network element, comprising:
The terminal sends the air interface radio resources control RRC information for carrying the admission control type that congestion occurs to institute State the first network element, wherein the admission control type establishes reason air interface radio resources control RRC information In field.
22. a kind of network element, comprising: memory, processor and be stored on the memory and can run on the processor Computer program, which is characterized in that the processor is realized when executing the computer program as appointed in claim 1 to 8 The processing of method described in one claim.
23. a kind of network element, comprising: memory, processor and be stored on the memory and can run on the processor Computer program, which is characterized in that the processor is realized when executing the computer program as appointed in claim 9 to 16 The processing of method described in one claim.
24. a kind of terminal, comprising: memory, processor and be stored on the memory and can run on the processor Computer program, which is characterized in that the processor is realized when executing the computer program as in claim 17 to 21 The processing of method described in any claim.
25. a kind of system of controlling terminal access, which is characterized in that the system include network element described in the claims 22, Terminal described in network element described in the claims 23 and the claims 24.
CN201810146364.9A 2018-02-12 2018-02-12 Method, network element, terminal and system for controlling terminal access Active CN110167064B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CN201810146364.9A CN110167064B (en) 2018-02-12 2018-02-12 Method, network element, terminal and system for controlling terminal access
PCT/CN2019/071729 WO2019154028A1 (en) 2018-02-12 2019-01-15 Method for controlling access of terminal, network element, terminal, and system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201810146364.9A CN110167064B (en) 2018-02-12 2018-02-12 Method, network element, terminal and system for controlling terminal access

Publications (2)

Publication Number Publication Date
CN110167064A true CN110167064A (en) 2019-08-23
CN110167064B CN110167064B (en) 2022-03-29

Family

ID=67549272

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201810146364.9A Active CN110167064B (en) 2018-02-12 2018-02-12 Method, network element, terminal and system for controlling terminal access

Country Status (2)

Country Link
CN (1) CN110167064B (en)
WO (1) WO2019154028A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021244165A1 (en) * 2020-06-01 2021-12-09 中兴通讯股份有限公司 Network slice reselection method and apparatus, electronic device, and storage medium

Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388656A (en) * 2010-06-25 2012-03-21 华为技术有限公司 Method for processing network congestion, network device and network system
US20120281530A1 (en) * 2010-11-08 2012-11-08 Qualcomm Incorporated System and method for radio access network overload control
CN102905388A (en) * 2011-07-26 2013-01-30 中兴通讯股份有限公司 Method and system for access control and network provider element
CN103843407A (en) * 2011-08-05 2014-06-04 瑞典爱立信有限公司 Methods of modifying communication network access and related network nodes, and wireless terminals
CN106412905A (en) * 2016-12-12 2017-02-15 中国联合网络通信集团有限公司 Network slice selection method, UE, MME and system
US20170070892A1 (en) * 2015-09-07 2017-03-09 Electronics And Telecommunications Research Institute Mobile communication network system and method for composing network component configurations
CN106804047A (en) * 2015-11-26 2017-06-06 北京信威通信技术股份有限公司 LTE network based on TA receives the method and device with congestion control
WO2017140356A1 (en) * 2016-02-17 2017-08-24 Nec Europe Ltd. A method for operating a wireless network, a wireless network and a management entity

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105828407A (en) * 2015-01-05 2016-08-03 普天信息技术有限公司 Service acceptance control method and base station
CN108738072B (en) * 2017-04-21 2023-08-15 中兴通讯股份有限公司 Method, device and terminal for realizing network slice admission control

Patent Citations (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102388656A (en) * 2010-06-25 2012-03-21 华为技术有限公司 Method for processing network congestion, network device and network system
US20120281530A1 (en) * 2010-11-08 2012-11-08 Qualcomm Incorporated System and method for radio access network overload control
CN102905388A (en) * 2011-07-26 2013-01-30 中兴通讯股份有限公司 Method and system for access control and network provider element
CN103843407A (en) * 2011-08-05 2014-06-04 瑞典爱立信有限公司 Methods of modifying communication network access and related network nodes, and wireless terminals
US20170070892A1 (en) * 2015-09-07 2017-03-09 Electronics And Telecommunications Research Institute Mobile communication network system and method for composing network component configurations
CN106804047A (en) * 2015-11-26 2017-06-06 北京信威通信技术股份有限公司 LTE network based on TA receives the method and device with congestion control
WO2017140356A1 (en) * 2016-02-17 2017-08-24 Nec Europe Ltd. A method for operating a wireless network, a wireless network and a management entity
CN106412905A (en) * 2016-12-12 2017-02-15 中国联合网络通信集团有限公司 Network slice selection method, UE, MME and system

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
HUAWEI等: "Policy Framework", 《SA WG2 MEETING #113AH:S2-161016》 *
NTT等: "Clarification of unified access control requirements", 《3GPP TSG-SA WG1 MEETING #80:S1-174620》 *

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2021244165A1 (en) * 2020-06-01 2021-12-09 中兴通讯股份有限公司 Network slice reselection method and apparatus, electronic device, and storage medium

Also Published As

Publication number Publication date
WO2019154028A1 (en) 2019-08-15
CN110167064B (en) 2022-03-29

Similar Documents

Publication Publication Date Title
US20220248254A1 (en) Method of processing network slice based congestion, device and system thereof
CN107592331B (en) Method, device and system for realizing session continuity
KR101771260B1 (en) Apparatus and method for controlling access of a user equipment in a mobile communication system
US20200252862A1 (en) Method and device for transmitting or receiving information in wireless communication system supporting network slicing
US11477722B2 (en) Changing access control parameters in a wireless network
WO2020224622A1 (en) Information configuration method and device
WO2021088564A1 (en) Mode switching method for broadcasting services and related device
CN112333825A (en) UE policy updating method and device and computer storage medium
US10798640B2 (en) Enhancement of unified access control
CN105210421B (en) Method for operating terminal in multi-carrier systems
US11425764B2 (en) Communication method and communications apparatus for reporting establishment causes
CN112586081B (en) UE, core network device, and communication control method
US20200170066A1 (en) Session Processing Method in Wireless Communications and Terminal Device
CN112567882B (en) User device and communication control method
EP3834467B1 (en) Method for handling of network slice overload
US11122494B2 (en) Access method, and terminal
US9094866B2 (en) Method and radio base station in a wireless communication network
CN110167064A (en) A kind of method, network element, terminal and the system of controlling terminal access
US11212663B2 (en) Establishing a roaming connection via a bootstrap server
WO2023087965A1 (en) Communication method and apparatus
JP2022526365A (en) Paging multi-identification module wireless communication device
JP2022174023A (en) Network slice admission control (nsac) discovery and roaming enhancement
EP4044763A1 (en) Communication method and related device
US11272349B2 (en) Deployment, configuration and provision of services and/or features for an inbound roamer
CN114071573B (en) Session control method, apparatus, system and computer readable storage medium

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant