CN110326340A - Slice activation technique in more slice networks - Google Patents

Abstract

The present invention relates to a kind of user equipment (user equipment, abbreviation UE) (210), including processor, for: the activation command for the idle slice (110) of at least one of multiple slices is received, wherein the connection that the activation command order executes at least one free time slice (110) is established；Activated state is set by the UE (210), is established with enabling the connection of at least one free time slice (110).The invention further relates to a kind of core net (core network, abbreviation CN) system (230), it include: control agent (ICA-CN) (235) between being sliced, for from associated with user equipment (user equipment, abbreviation UE) (210) or contextual information can be collected at least one of multiple slices associated therewith slice；At least one CN example (231,232), for sending connection request to the UE (210), the connection request requests the UE (210) to establish the idle connection for being sliced (110) of at least one of the multiple slice.The invention further relates to a kind of wireless access network (radio access network, abbreviation RAN) entities (220).

Description

Slice activation technique in more slice networks

Technical field

The present invention relates in mostly slice network, particularly, the technology of slice activation is carried out in next generation wireless network.

Background technique

Network slice is that the 5th generation is mobile and cordless communication network (5G), also known as new wireless (new radio, abbreviation NR) or New wireless access technology (radio access technology, abbreviation RAT) or the crucial structure block of next generation wireless network it One, main target is vertical industry integration.The network slice can be defined as logical network and (provide telecommunication service and net Network ability), including access net (access network, abbreviation AN) and core net (core network, abbreviation CN), referring to 3GPP TR 23.799 " Successor-generation systems architectural studies (version 14) ", v0.7.0 (in August, 2016).Third generation affiliate meter Draw (3^rdGeneration Partnership Project, abbreviation 3GPP) it is from core net (core network, abbreviation CN) Network slice is standardized with two aspects of wireless access network (radio access network, abbreviation RAN), is joined See 3GPP TR 23.799 and " the new wireless access technology research of 3GPP TR 38.801；Wireless access framework and interface (version 14) ", v1.0.0 (in December, 2016).The accessible multiple network slices of user equipment (user equipment, abbreviation UE). When the separation of multiple network slice logics of each UE, due to the parallel work-flow of control function in these networks slice, signaling is opened Pin can be dramatically increased with the increase of control plane time delay.

Summary of the invention

The purpose of the present invention is to provide a kind of for reducing the signaling delays and/or signaling overheads that are sliced in networks more Theory.

This purpose can be realized by the feature of independent claims.Further embodiment is wanted in appurtenance Ask, illustrate with it is apparent in attached drawing.

The present invention is based on available contextual informations in a slice example using more slice networks to improve another It is sliced the thought of the function in example.

The present invention provides slice activation techniques, wherein UE context construction can be based on from given UE in the CN The received information unit of slice CN example.Particularly, the core net can store information, may infer that by these information Activity slice out, such as allow to be sliced by activity described in one of them and be directly connected to UE, it is connected by the direction, Activate another free time slice.Furthermore, it is possible to store information in the core net, by these information, gNB can be optimized The search space of (i.e. base station) is to be paged, to identify the UE.The information unit may include status information, such as It is based on: the state vector (such as ECM state) of core net state；Wireless access network (radio access network, abbreviation RAN) State (such as RRC state)；And/or service gNB)；And/or connect history and tracking area list (tracking area list, letter Claim TAL).

The present invention provides obtain when UE can be sliced example (for example, an operator) from one or more particular networks When must service, cut for optimizing (for example, minimum) signaling cost and control plane (control plane, abbreviation CP) time delay Piece activation technique.Particularly, the present invention provides be able to access that multiple network slices (such as with different connection requests) as UE When, improve the technology of the function in another slice example using available contextual information in a slice example.It is this Solution allows to optimize based on this contextual information the activation (no paging or optimization paging) of another slice example.It can be most Reduce to limits the signaling overheads and control plane time delay because running control function generation in multiple slices parallel.

Be using basic principle of the invention: the present invention provides it is a kind of it is associated with a UE be sliced (or Slice example referred to as herein or network slice) between slice between information exchange and associated optimization to reduce mobile management (mobility management, abbreviation MM) signaling.Particularly, equipment provided by the invention, method and system using one or Available contextual information improves function in multiple slice examples, such as mobility in other one or more slice examples Management function；The optimization activation of another slice example is enabled (for example, without seeking based on such contextual information and associated mechanism Exhale or optimize paging)；It reduces and causes because running control function (for example, mobile management) in multiple slices parallel to the maximum extent Signaling overheads and control plane time delay.

The method for enabling slice activation is described below, these methods can be based on connection request or activation request, or It can also be based on paging.On this basis, slice activation can be understood from the angle of UE, wherein by being by the slice to be activated The UE establishes communication, and the UE is enabled to obtain the service of the slice.When the data packet of UE reaches network from internet When activate the UE, such as reach the gateway in long term evolution (long term evolution, abbreviation LTE) network When (serving gateway, abbreviation S-GW), the UE can be activated by paging.That is, the UE is in the free time State, such as wireless heterogeneous networks (radio resource control, abbreviation RRC)-IDLE, paging can be used for ensuring UE from RRC-IDLE state is switched to RRC-CONNECTED state.RRC state refers to state of the UE in the RAN, described The side CN, the state of the UE refer to evolved packet system (evolved packet system, abbreviation EPS) connection management (ECM) State, such as ECM-CONNECTED and ECM-IDLE.RRC state and ECM state can define EPS mobile management together (EPS Mobility Management, abbreviation EMM) state, such as EMM canceled (for example, the UE is separated from network) With EMM registered (for example, the UE is connected to network).Network entity, such as mobility management entity (mobility Management entity, abbreviation MME), know the UE's on the basis of tracking area (tracking area, abbreviation TA) Position, multiple cells that wherein TA can be serviced by base station (base station, abbreviation BS) form.The IDLE UE's seeks Message is exhaled to be sent to these cells, the UE is paged according to its paging cycle.

More slice networks described in the present invention can be using the theory of network slice.The network slice is one Emerging theory, such as 5G network.When the accessible multiple slices of UE, activation slice is a basic problem.It can Slice is activated to use different mechanism.A kind of possible method can be each network slice application accessible to UE The process of similar paging.Such paging mechanism can advanced optimize.For example, by blanket type paging scheme, the tracking area All cells for including in (tracking area, abbreviation TA) can be paged simultaneously；By sequential paging scheme, the correlation Connection TA can be divided into several paging zones.When entering to exhale arrival, paging zone can be paged one by one, until finding the UE.Another In a kind of method, the paging zone the last one connection based on equipment and its can determine at a distance from borderline region, with Just the equipment is reached using the first paging message.

When each slice, which is used alone, to be paged, this Class Activation (parallel work-flow of control function) of each slice be will lead to Significant mobile management (mobility management, abbreviation MM) signaling and suboptimum time delay value.That is, may nothing Method meets the delay constraint and/or can dramatically increase signaling overheads for meeting that slice requires.Accordingly, it is possible to be unable to satisfy described cut Piece requirement.By applying slice activation technique provided in the present invention, it is possible to reduce signaling delay, satisfaction meet the slice and want The delay constraint asked.

Equipment, system and method described below are based on communication equipment, such as cell and relay node.Cell is low Power node, transmitting (transmit, abbreviation Tx) power are usually less than grand node, can take planned/unplanned pico- Cell, the form of Femto cell and relaying.Relaying is in long term evolution (long term evolution, abbreviation LTE) version 10 In be it is standardized, be also considered as the 5th generation (fifth generation, abbreviation 5G) it is new wireless (new radio, referred to as NR 3GPP TR 38.801) is standardized: " new RAT research；A part of wireless access framework and interface (version 14) ".

Equipment described in the invention can be realized within a wireless communication network, be based particularly on mobile communication standard (example Such as LTE, be based particularly on the system and 5G of LTE-A and/or OFDM) communication network.Equipment described in the invention can be with It realizes in mobile device (or mobile station or user equipment (user equipment, abbreviation UE)), such as is set in a movement It is realized in the scene that the standby device-to-device (device-to-device, abbreviation D2D) with another mobile device communication communicates. The equipment may include integrated circuit and/or passive circuit, can be manufactured according to various technologies.For example, the circuit It can be designed as logical integrated circuit, Analogous Integrated Electronic Circuits, composite signal integrated circuits, optical circuit, storage circuit and/or integrate Passive circuit.

D2D communication in cellular network is defined as two direct communications between mobile device or mobile subscriber, without By base station (base station, abbreviation BS) or eNodeB or gNB or core net.D2D is communicated usually to the cellular network It is opaque, it can occur on cellular frequency spectrum (i.e. in band) or unlicensed spectrum (i.e. band is outer).D2D communication can greatly improve institute State spectrum efficiency, handling capacity, efficiency, time delay and the fairness of network.Transmitting equipment described in the invention and receiving device can To be realized in the mobile device that is communicated under D2D scene.However, transmitting equipment described in the invention and receiving device It can be realized in base station (base station, abbreviation BS) or eNodeB or gNB.

Equipment described in the invention can be used for emitting and/or receiving wireless signal.Wireless signal can be or can wrap Include wireless transmitting device (or wireless transmitter or transmitter) transmitting radiofrequency signal, radio-frequency region about 3kHz and 300GHz it Between.The frequency range can correspond to the frequency of the ac signal for generating and detecting radio wave.

Equipment described in the invention may include cell, and network slice can be used.Cell described below It is two crucial enablers of 5G with network fragment, for example, such as next generation mobile networks (Next Generation Mobile Networks, abbreviation NGMN) alliance: " 5G white paper " (2 months 2015) are described.It is likely that they will be To 5G wireless access network (radio access network, abbreviation RAN) (also referred to as new wireless (new radio, letter in 3GPP Claim NR)) it is standardized.Cell can improve coverage area and/or ability, for example, such as next generation mobile networks (Next Generation Mobile Networks, abbreviation NGMN) alliance: it is emphasized in " 5G white paper " (2 months 2015) As.In addition, network slice is the component part of network function, specific function setting and associated resources, to wireless access Net (radio access network, abbreviation RAN) design has opposite impacts on.In the ran, the various targets based on slice Key Performance Indicator (key performance indicator, abbreviation KPI) may include that for example, for enhanced mobile wide Handling capacity/spectrum efficiency of band (enhanced mobile broadband, abbreviation eMBB) communication；For highly reliable low latency It communicates the high reliability of (ultra-reliable and low latency communications, abbreviation URLLC) and low prolongs Late；And the connection for large-scale machines communication (massive machine-type communication, abbreviation mMTC) Density.Slice may have different requirements in terms of handling capacity and time delay, this just needs to enable different types of flow different Operation, to meet the requirement of certain KPI.

Equipment and system described in the invention may include processor.In the following description, term " processor " is retouched Any equipment that can be used for handling particular task (or box or step) is stated.Processor can be at single processor or multicore Reason device perhaps may include one group of processor or may include processing unit.Processor can handle software, firmware or answer With etc..

For the present invention is described in detail, following term, abbreviation and symbol will be used:

ICA: context control agent between slice

ICA-CN: context control agent-core net between slice

ICA-UE: context control agent-user equipment between slice

DSC: dynamic cell

RN: relay node

RACH: random access channel

RAN: wireless access network

RRC: wireless heterogeneous networks

MM: mobile management

CN: core net

NR: new wireless

TA: tracking area

TAL: tracking area list

KPI: Key Performance Indicator

D2D: device-to-device

DL: downlink

UL: uplink

UP: user face

CP: control plane

BS: base station, eNodeB, eNB, gNB

UE: user equipment, such as mobile device or machine communication equipment or automobile

5G: the five generation, such as standardized based on 3GPP

LTE: long term evolution

RF: radio frequency

MBB: mobile broadband

EMBB: enhanced mobile broadband

URLLC: highly reliable low latency communication

MTC: machine communication

The highly reliable MTC of uMTC

TX: transmitting

RX: it receives

OAM: Operation and Maintenance

EPS: evolved packet system

EMM:EPS mobile management

ECM:EPS connection management

S-GW: gateway

According in a first aspect, the present invention relates to a kind of user equipment (user equipment, abbreviation UE), including processing Device is used for: being received by least one of multiple slices activity slice at least one of the multiple slice free time The activation command of slice, wherein the connection that the activation command order executes at least one free time slice is established；It will be described UE is set as activated state, is established with enabling the connection of at least one free time slice.

Such UE can reduce signaling delay when applying in mostly slice network, because the activation of idle slice can pass through Activity slice carries out signal transmission, to save signaling command and reduce time delay.

According in a first aspect, the processor is used for: described in initiation in the first possible implementation of the UE At least one free time slice and the connection of wireless access network (radio access network, abbreviation RAN) are established.

Provide the advantage that the RAN network can control the initiation that the connection is established.

According to first aspect or according to the first implementation of first aspect, second in the user equipment may Implementation in, the processor is used for: passing through the first company of the UE associated at least one described movable slice It connects control example and receives the activation command；Pass through the second connection of the UE associated at least one described free time slice It controls example and initiates the connection foundation.

Provide the advantage that the first and second connections control example can cooperate to initiate the connection foundation from And reduce signaling traffic load.

According to first aspect or according to any one aforementioned implementation of first aspect, the 4th of the user equipment the In kind possible implementation, the processor is used for: by at least one described activity slice and at least one described sky The single connection control example that spare time is sliced the associated UE is initiated the connection and is established.

Provide the advantage that single connection control example (for example, main connection controls example) can coordinate connection and build Vertical, this can reduce the complexity that connection is established, for example, in terms of UE realization.

According to first aspect or according to any one aforementioned implementation of first aspect, the 4th of the user equipment the In the possible implementation of kind, the processor is used for: based on without paging random access channel (Random Access Channel, abbreviation RACH) process (ALT1), use the received Special leader together with the activation command or random lead code Code, the connection for initiating at least one free time slice are established.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. The RACH process can be used for exchanging necessary information and establish connection.

According to first aspect or according to any one aforementioned implementation of first aspect, the 5th of the user equipment the In the possible implementation of kind, the processor is used for: based on without paging random access channel (Random Access Channel, abbreviation RACH) process (ALT2), use information unit provides the received company together with the activation command Connect the information of foundation, especially Timing Advance (Timing Advance, abbreviation TA) and Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identity, abbreviation C-RNTI) initiates at least one free time slice The connection is established.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. Above- mentioned information unit can submit necessary information in the case where no RACH process, such as leading to RAN entity transmission Code.Therefore, it is possible to reduce the signaling traffic load quickly establishes connection.

According to first aspect or according to any one aforementioned implementation of first aspect, the 6th of the user equipment the In kind possible implementation, the processor is used for: based on being cut by least one activity described in the multiple slice The received activation command of piece, the connection for enabling at least one free time slice in the multiple slice are established.

Provide the advantage that the activation command can be forwarded to the idle slice by the activity slice. Therefore, it is possible to reduce signaling message.

According to first aspect or according to any one aforementioned implementation of first aspect, the 7th of the user equipment the In the possible implementation of kind, the UE includes memory, for storing the state of the multiple slice；The processor is used for Context control agent (ICA-UE) between being sliced is run, context control agent between different slices for handing between the slice Information is changed, especially for establishing the control command and information unit of connection.

Provide the advantage that the necessary information in relation to the slice can be used in different slices in the ICA-UE Between exchange message.Due to using the memory store the information in relation to slice, it is possible to reduce establish connection generate when Prolong.

According to first aspect or according to any one aforementioned implementation of first aspect, the 8th of the user equipment the In kind possible implementation, the processor is for running: living with for receiving described in the activation command at least one At least one associated first connection control example of dynamic slice；With the company for initiating at least one free time slice Connect at least one associated second connection control example of at least one described free time slice of foundation.

Provide the advantage that at least two connections control example can be interacted to improve connection and establish, for example, In terms of time delay and/or signaling traffic load.

According to first aspect or according to any one aforementioned implementation of first aspect, the 9th of the user equipment the In the possible implementation of kind, the processor includes: to build with described connection for initiating at least one free time slice At least one vertical described activity slice and at least one described associated single connection of free time slice control example.

Provide the advantage that single connection control example (for example, main connection controls example) can coordinate connection and build It is vertical, to simplify connection establishment process.

According to second aspect, it is real that the present invention relates to a kind of wireless access networks (radio access network, abbreviation RAN) Body, especially base station (base station, abbreviation BS), including processor, are used for: by UE, in particular according to first aspect or At least one of multiple slices activity slice is connected to according to UE described in any one implementation of first aspect；Pass through The activity of at least one of the multiple slice, which is sliced to the UE, sends activation command, wherein described in the activation command order UE establishes the connection of the idle slice of at least one of the multiple slice.

Such RAN entity can reduce signaling delay when applying in mostly slice network, because the activation of idle slice can To carry out signal transmission by activity slice, to save signaling command and reduce time delay.

According to second aspect, in the first possible implementation of the RAN entity, the activation command order institute It states UE and enters activated state, established with enabling the connection of at least one free time slice.

It provides the advantage that and needs less signaling that the UE is made to be in activated state.

According to second aspect or according to the first implementation of second aspect, second in the RAN entity may Implementation in, the processor is used to establish connection of at least one the free time slice and the UE.

It provides the advantage that the processor provides a kind of effective mechanism, establishes idle slice and the UE's Connection, for example, in terms of signalling efficiency.

According to second aspect or according to any one aforementioned implementation of second aspect, in the third of the RAN entity In the possible implementation of kind, the processor is used for based on without paging random access channel (Random Access Channel, abbreviation RACH) process (ALT1), using dedicated preamble or random lead code, request the UE establish it is described at least The connection of one idle slice.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. The RACH process can be used for exchanging necessary information to realize that the connection is established.

According to second aspect or according to the first or second kind implementation of second aspect, the 4th of the RAN entity the In the possible implementation of kind, the processor is used for based on without paging random access channel (Random Access Channel, abbreviation RACH) process (ALT2), send information unit to provide the information of the related connection foundation, especially when Between lead (Timing Advance, abbreviation TA) and Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identity, abbreviation C-RNTI), request the UE to establish the connection of at least one free time slice.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. Above- mentioned information unit can submit necessary information in the case where no RACH process, such as send physics to the RAN entity RACH (physical RACH, abbreviation PRACH) lead code.Therefore, it is possible to reduce the signaling traffic load and/or time delay.

According to the third aspect, the present invention relates to a kind of core net (core network, abbreviation CN) systems, comprising: slice Between control agent (ICA-CN), for from user equipment (user equipment, abbreviation UE) associated multiple slices At least one slice collect contextual information；At least one CN example, for sending connection request, the connection to the UE Request requests the UE to establish the idle connection being sliced of at least one of the multiple slice.

Such CN system can reduce signaling delay when applying in mostly slice networks, because the activation of idle slice can be with It is sliced by activity and carries out signal transmission, to save signaling command and reduce time delay.CN example may include customization slice CN function, such as mobile management.It also can have shared CN function from different slices or the corresponding CN example of slice example. Furthermore, it is possible to from associated with UE or the context letter of the UE can be collected in the CN example of slice associated therewith Breath.

According to the third aspect, in the first possible implementation of the CN system, at least one described CN example For: infer at least one base station for paging the UE；Information is collected, especially from the information of the ICA-CN, this Sample can reduce multiple candidate base stations for paging, more particularly to the CN state of the multiple slice, serving BS, connection History and/or the information of tracking area list.

It provides the advantage that the base station number that can be reduced for paging, disappears to reduce time delay and save signaling Breath.

According to the third aspect, in second of possible implementation of the CN system, at least one described CN example For: the priority based on the multiple slice is sliced to the UE by least one described activity and is sent based on no paging The connection request of process.

It provides the advantage that and different priorities may be implemented to realize more slice networks.For example, high priority Slice activation can be executed by another slice with similar priorities, for example, this can help to meet the Gao You The delay requirement of first grade pet chip.

According to the third aspect or according to any one aforementioned implementation of the third aspect, in the third of the CN system In possible implementation, at least one described CN example is used for: the UE being requested to connect by least one described free time slice When being connected to known to same base station or extra small area and/or location information in the UE or can estimate, based on nonrandom without paging It accesses channel (Random Access Channel, abbreviation RACH) process (ALT2) and establishes at least one free time slice Connection.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. Above- mentioned information unit can submit necessary information in the case where no RACH process, such as send PRACH to the RAN entity Lead code.Therefore, it is possible to reduce the signaling traffic load and/or time delay.

According to the third aspect or according to any one aforementioned implementation of the third aspect, at the 4th kind of the CN system In possible implementation, at least one described CN example is used for: the UE being requested to connect by least one described free time slice When being connected to same base station or adjacent base station, based on without paging random access channel (Random Access Channel, abbreviation RACH) process (ALT1) establishes the connection of at least one free time slice.

Connection can be established without paging by providing the advantage that, to reduce the signaling traffic load and/or time delay. The RACH process can be used for exchanging necessary information to realize that the connection is established.

According to fourth aspect, the present invention relates to the free time of enabling user equipment (user equipment, abbreviation UE) a kind of The method that the connection of slice is established, which comprises receive the activation for the idle slice of at least one of multiple slices Order, wherein the connection that the activation command order executes at least one free time slice is established；Set sharp for the UE State living is established with enabling the connection of at least one free time slice.

Such method can reduce signaling delay and/or signaling traffic load when applying in mostly slice network, because the free time cuts The activation of piece can be collected and efficiently be executed by the received contextual information of ICA based on especially ICA, thus when reducing Prolong and/or signaling traffic load.

According to the 5th aspect, the present invention relates to a kind of communication systems, comprising: according to first aspect or according to first aspect The user equipment that any one implementation is told；According to second aspect or according to any one implementation institute of second aspect Wireless access network (radio access network, the abbreviation RAN) entity stated；And according to the third aspect or according to third party CN system described in any one implementation in face.

Such communication system can reduce the signaling delay and/or signaling traffic load in more slice networks, because of idle slice Activation can based on especially ICA collect and efficiently executed by the received contextual information of ICA, to reduce time delay And/or signaling traffic load.

Detailed description of the invention

A specific embodiment of the invention will be described in conjunction with the following drawings, in which:

Fig. 1 a and Fig. 1 b show the figure that one kind is sliced network more, and more slice networks activate use using a kind of method The idle slice of family equipment (user equipment, abbreviation UE), here by taking 5G automobile as an example, the automobile possesses or can gather around There is the access authority to multiple slices, here by taking eMBB and uMTC slice as an example, wherein Fig. 1 a is shown cuts via the free time The paging message that cell in the tracking area that piece passes through the UE is sent, Fig. 1 b are shown via described in the activity slice transmission The connection request of free time slice or activation request；

Fig. 2 shows the figure of more slice networks 200 according to an implementation, wherein UE 210 and two slice phases Association, wherein each company being sliced at the connection control example 211, RAN entity 220 having the following characteristics that for example, at UE 210 Connect control example 221；Including at CN system 230 user face (user plane, abbreviation UP) and control plane (control Plane, abbreviation CP) function CN example #1 231；ICA (also referred to as ICA-CN) 235, can at the CN system 230 CN example #1 231 and CN example #2 232 is communicated；And the ICA-UE 213 at the UE 210, it can be controlled with the connection Example 211 processed and connection control example 212 communicate；

Fig. 3 shows the figure of more slice networks 300 according to an implementation, is shown according to the first substitution The activation of slice described in scheme (ALT1)；

Fig. 4 shows exemplary signal process Figure 40 0 of the slice activation of more slice networks 300 shown in Fig. 3；

Fig. 5 shows the figure of more slice networks 500 according to an implementation, is shown according to the second substitution The slice of scheme (ALT2) activates；

Fig. 6 shows exemplary signal process Figure 60 0 of the slice activation of more slice networks 500 shown in Fig. 5；

Fig. 7 shows the figure of more slice networks 700 according to an implementation, some of core net (core Network, abbreviation CN) function shared by the slice in the CN；

Fig. 8 shows the figure of more slice networks 800 according to an implementation, wherein mobile management (mobility management, abbreviation MM) function is shared by the slice in the CN；

Fig. 9 shows the figure of more slice networks 900 according to an implementation, wherein control plane (control Plane, abbreviation CP) function shared by the slice in the CN；

Figure 10 shows the figure of more slice networks 1000 according to an implementation, wherein when at least one slice When (also referred to as slice example) is in activated state, executes and activated according to the optimization paging slice；

Figure 11 shows exemplary signal process Figure 110 0 of the slice activation of more slice networks 1000 shown in Figure 10；

Figure 12 shows the figure of more slice networks 1200 according to an implementation, wherein when all of the UE cut Piece, i.e., it is associated with the UE or when can be in Idle state with all slices (also referred to as slice example) associated therewith, it holds Row is activated according to the optimization paging slice；

Figure 13 shows exemplary signal process Figure 130 0 of the slice activation of more slice networks 1200 shown in Figure 12；

Figure 14 shows the figure of more slice networks 1400 according to an implementation, wherein when all of the UE cut Piece, i.e., it is associated with the UE or Idle state and presence can be in all slices (also referred to as slice examples) associated therewith A kind of control with UE described in RAN connect (such as wireless heterogeneous networks (radio resource control, abbreviation RRC) Connection) when, it executes and is activated according to the optimization paging slice；

Figure 15 shows exemplary signal process Figure 150 0 of the slice activation of more slice networks 1400 shown in Figure 14；

Figure 16 shows the illustrative user device according to an implementation (user equipment, abbreviation UE) 210 block diagram；

Figure 17 shows the example wireless according to an implementation access net (radio access network, Abbreviation RAN) entity 220 block diagram；

Figure 18 shows the sample core network according to an implementation (core network, abbreviation CN) system 230 block diagram；

Figure 19 shows a kind of figure of illustrative methods 1900 according to an implementation, and the method is for enabling The connection of the idle slice of UE is established.

Specific embodiment

It is described in detail below in conjunction with attached drawing, the attached drawing is a part of description, and by way of diagram illustrating It shows and specific aspect of the invention can be implemented.It is understood that without departing from the present invention, can use Other aspects, and change in structure or in logic can be made.Therefore, detailed description below is not as restriction, this hair Bright range is defined by the following claims.

It is understood that note related with described method is for corresponding equipment used to perform the method or is System is equally applicable, and vice versa.For example, corresponding equipment may include using if describing a specific method and step In the unit for executing described method and step, even if such unit does not elaborate or illustrates in figure.Furthermore, it is to be understood that Unless specifically indicated otherwise, otherwise the feature of various illustrative aspects described herein can be combined with each other.

More slice networks, the i.e. communication network with multiple networks slice are described below." network slice " is one complete The logical network of row for the national games includes all required agreements and Internet resources.In some deployment, network slice can be considered as Completely self-contained network, but belong to the same network operator.This enables the network operator to be sliced in the network Between shared resource, to meet respective slice demand.In some deployment, network slice can share some user face (user Plane, abbreviation UP) and/or control plane (control plane, abbreviation CP) function and/or the network slice can share Identical Internet resources pond, such as radio resource pond, such as frequency and time resource.

Fig. 1 a and Fig. 1 b show the schematic diagram that one kind is sliced network more, and more slice networks are swashed using a kind of method The idle slice of user equipment (user equipment, abbreviation UE) 107 living, here by taking 5G automobile as an example, the automobile possesses Or access authority to multiple slices can be possessed, here by taking eMBB 110 and uMTC 120 is sliced as an example, wherein Fig. 1 a is shown The paging message for the cell transmission in tracking area for pass through the UE via the idle slice 109a and 109b, Fig. 1 b are shown Connection request or the activation request 132 of the idle slice 110 are sent via the activity slice 120.Herein, Ke Yicong The angle of UE understands slice activation, wherein enabling the UE to obtain for being that the UE establishes communication by the slice to be activated Obtain the service of the slice.

In Fig. 1, an example implementations of the method are described.5G automobile is provided as exemplary UE 107 107, wherein the accessible multiple slices of the 5G automobile, such as highly reliable machine communication (ultra-reliable machine Type communications, abbreviation uMTC) (such as autonomous driving service) slice 120 and enhanced mobile broadband (enhanced mobile broadband, abbreviation eMBB) (such as video streaming services) slice 110.In fig 1 a, respectively often A slice application described paging 109a, 109b are that is, when data packet 101 reaches the idle slice 110 of the UE 107 The UE 107 is moved to connected state from Idle state, (is described as according to the tracking area 108 and the base station therein GNB) 106a, 106b, 106c page UE 107 described in 109a, 109b.In Figure 1b, proposed method and system is described Advanced implementation, wherein when data packet 101 reaches the idle slice 110 of the UE 107, above and below between slice Literary exchange 130 and the associated mechanism that will be discussed in more detail below, the connection request 132 or sharp of the idle slice 110 Request living is communicated via the activity slice 120.In this example, be not used Fig. 1 a shown in paging mechanism 109a, 109b。

Following figure shows context control agent (Inter-slice Context between the side UE and the slice of the side CN Control Agent, abbreviation ICA).Context control agent is also referred to as ICA-UE between the slice of the side UE, between the slice of the side CN on Hereafter control agent is also referred to as ICA-CN.

Fig. 2 shows the schematic diagrames of more slice networks 200 according to an implementation, and wherein UE 210 is cut with two Piece is associated, can be communicated with RAN entity 220, and the RAN entity 220 is illustratively positioned at macro base station, for example, Fig. 1 a and Base station 106a, 106b, 106c described in Fig. 1 b.The UE 210 is desirably integrated into 5G automobile, as described in Fig. 1 a and Fig. 1 b.

Fig. 2 shows an exemplary network structure and the ICA (also referred to as ICA-CN) and ICA-UE function that are proposed Entity 235,213, wherein considered method can be applied to respectively.In Fig. 2, slice #1 can correspond to Fig. 1 a and 1b Shown in activity slice 120, have the following characteristics that on the side CN 230 have specific user face (user plane, referred to as UP) 235 and control plane (control plane, abbreviation CP) 234 functions CN example #1,231 and the side RAN 220 on RRC#1,221；Slice #2 can correspond to the slice of free time shown in Fig. 1 a and 1b 110, have the following characteristics that the side CN There are specific user face (user plane, abbreviation UP) 237 and control plane (control plane, abbreviation CP) 236 function on 230 Can CN example #2,232 and the side RAN 220 on RRC#2,222.The ICA235 CN example on the side UE 230 in logic Between 1,231 and CN example 2,232, ICA-UE 213 RRC#1 on the side UE 210,211 and RRC#2 in logic, Between 212.In this particular example, it is sliced #1,120 are in activated state (for example, the UE is in RRC-CONNECTED, ECM- CONNECTED and EMM login state), it is sliced #2,110 are in Idle state (for example, the UE is in RRC-IDLE, ECM-IDLE With EMM login state).In this example, the data packet 101 of the UE 210 reaches the slice #2, and 110 CN is real Example #2,232.

Hereinafter, unless otherwise stated, according to the slice activation mechanism, ALT1 refers to the feelings of " having random access " Condition wherein the UE 210 applies random access procedure, such as is switched to RR-CONNECTED from RR-IDLE, ALT refer to " without with The case where machine access ", wherein the UE 210 does not apply random access procedure but applies proposed mechanism, for example, from RRC-IDLE is switched to RRC-CONNECTED.Herein, connection control example, such as RRC#1 221, can execute it is similar or The function of modification, such as RRC, therefore, label is in attached drawing and text.The UE is relative to being sliced on the side RAN State is marked by RRC state (such as RRC-IDLE and RRC-CONNECTED), and the UE is relative to the shape being sliced on the side CN State is marked by ECM state (such as ECM-CONNECTED and ECM-IDLE).

Fig. 3 shows the schematic diagram of more slice networks 300 according to an implementation, is shown according to first The activation of slice described in alternative solution (ALT1).Fig. 4 shows the exemplary letter of the slice activation of more slice networks 300 of Fig. 3 Number flow chart 400.

One embodiment of the present of invention is described by means of Fig. 3 and Fig. 4.Accordingly, the different step of disclosed method is adopted With the numeral mark from 0 to 7.Different step in Fig. 3 and Fig. 4 also uses reference mark to mark, so as to from about more attached drawings Following step limit these steps.In Fig. 3, for diagrammatic purposes, two slices 110,120 are only described, it is described two Slice can correspond to the slice #1 of activity described in above-mentioned combination Fig. 1 a, 1b and 2 and idle slice #2；Meanwhile as shown in figure 4, The UE 210 also accessible more slices.The UE 210 can correspond to UE described in above-mentioned combination Fig. 1 a, 1b and 2 210.When UE 210 is with multiple slices and associated multiple RRC connection, RRC and/or ECM state is exchanged between different slices Information passes through context control agent between slice (Inter-slice Context Control Agent, abbreviation with optimization ICA) mobile management (mobility management, abbreviation MM) signaling of 235 (being also referred to as ICA-CN herein).Particularly, In step 0 (300a, 300b, 300c, 300d), from available CN example (UE 210 can with and/or the CN that cannot access it is real Example, such as CN example 231 in this example, 232) collect the ECM status information of the UE 210.It, can be with based on the information The ECM state vector of the UE 210 is constructed by the ICA 235.In addition, RRC state vector can also be based on from RAN It can be with the RRC state information architecture for the UE 220 that connection control example is collected (for example, RRC#1 221 and RRC#2 222).Under the following conditions, the ECM status information can be sent to the ICA 235:(a) the new UE of tangential section attachment When 210；(b) it is periodically executed, to update the ECM state vector in the case where UE 210 becomes inoperable；And/or (c) when at least first information changes.In Fig. 3, one of them described slice is in activated state (for example, for cutting Piece #1,120 UE 210 are in RRC/ECM connected state；For being sliced #2,110 UE 210 are in RRC/ECM Idle state), number The slice #2 in RRC/ECM Idle state is reached according to packet 101,110.Execute following steps:

Step (1 and 2) (301,302) CN example #2,232 will from ICA 235 retrieval activities CN example, step (3) Request is by selected CN example #1, and 231 for " according to priority or the priority level slice #2,110 " the request UE that divide 210 connection.Provided hereinafter the explanations in relation to " according to priority ".

Step (3) (303) CN example #1,231 send slice #2,120 company to the RAN 220 (RRC#1,221) Connect request.

Step (4) (304) RAN 220 (RRC#1,221) is connected to send to UE 210 and be activated by slice #1,120RRC Order.

The activation command that step (5) (305) is sent in (4) (304) will be sent to UE 120 by ICA-UE 213 The slice #2 at place, 110.It is alternatively possible to send " dedicated preamble " of the UE 120, to enable based on non-competing random Access.

Step (6 and 7) (306,307) UE 120 is since random access, such as in the Physical Random Access Channel RACH process is used on (physical random access channel, abbreviation PRACH), executes RRC connection 306.Then Establish (307) NG2/3 connection (for example, such as S1 carrying and S1 signaling connection in LTE).3GPP will describe NG2/3 interface and (participate in See 3GPP TR 23.799 " Successor-generation systems architectural studies (version 14) ", v14.0.0 (in December, 2016)).

In above-mentioned steps 1 and 2 (301,302), CN example #1,231 select according to the priority or priority level.When When described UE 210 accessible 2 or more slice and at least 2 activity slices, should convey it is described " connection request and/or The slice of activation command " can be determined based on the slice priority.Priority can be relative to the free time slice that stress be lived Definition.Such as:

If activating the slice of higher priority, please select with the activity slice closest to priority；

If activating the slice of more low priority, the activity slice with minimum priority please be select.

Being sliced priority can determine according to following situations, such as:

The Service Level Agreement (Service Level Agreement, abbreviation SLA) of difference slice；And/or

(for example, due to stringent delay requirement, uMTC slice can have higher more excellent than eMBB slice delay requirement First grade)；And/or

The congestion level of slice.

In addition, when selecting the activity slice, it is also contemplated that carry out estimating for slice activation by selected activity slice Timing is prolonged.

Preferably, ALT1 can be applied in the scene of heterogeneous network (for example, when cell and macro-cell deployment are same When region), wherein the connection of each slice can require to be connected to different cells according to the slice.For example, the UE 210 EMBB slice connection can be established by millimeter wave (mm wave, abbreviation mmW) cell, the uMTC of the UE 210 is sliced Connection can be established by macrocell.Here it is possible to execute two alternatives:

Activation command is only sent, hereafter the UE 210 executes random access competition-based；

The activation command for having dedicated preamble is sent, UE 210 is executed based on non-competing random access.

O in such a case, it is possible to by dedicated preamble distribute to the activity slice gNB and it is a small number of determine it is adjacent Cell, wherein the idle slice may be coupled to these cells.That is, RRC knows the service gNB of the activity slice And these lead codes at adjacent gNB.

Note that method described in the present invention can be generalized to the case where data packet reaches multiple idle slices.

Fig. 5 shows the schematic diagram of more slice networks 500 according to an implementation, is shown according to second The activation of slice described in alternative solution (ALT2).Fig. 6 shows the exemplary letter of the slice activation of more slice networks 500 of Fig. 5 Number flow chart 600.

In Fig. 5, for simplicity, two slices 110,120 are only described, described two slices can correspond to State the slice #1 of the activity in conjunction with described in Fig. 1 a, 1b, 2,3 and 4 and idle slice #2；Meanwhile the as shown in fig. 6, UE 210 Accessible more slices.The UE 210 can correspond to UE 210 described in above-mentioned combination Fig. 1 a, 1b, 2,3 and 4.

When using ALT2 rather than ALT1, following steps are executed.The different step of disclosed method is used from 0 to 8 Numeral mark.Different step in Fig. 5 and Fig. 6 also uses reference mark to mark, so as to from following steps about more attached drawings Suddenly these steps are limited.Can by the case where ALT1 described in above-mentioned combination Fig. 3 and Fig. 4 execute step 0,1 and 2 (500a, 500b,501,502).Step (3) (503) is as follows:

Step (3) (503) CN example #1,231 send slice #2,110 company to the RAN 220 (RRC#1,221) Connect request/foundation.

Step (4) (504) is based on step (3) (503) by RRC#1, and 221 from RRC#2,222 retrieval slice #2,110 RRC configuration, in step (5) (505), RAN 220 (RRC#1,221) is established to the RRC connection that UE 210 sends slice #2.

Step (6) (506) is by by ICA-UE 213, to the slice #2 at UE 210,110 are sent in (5) (505) It is sent to information unit.It should be noted that information unit can be sent, for example, Timing Advance (Timing Advance, referred to as TA), Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identity, abbreviation C-RNTI), example It is such as sliced #2,110 can service, such as be serviced by identical gNB.This may include, for example, RadioResourceConfigDedicated, this is to establish the signaling radio bearer 1 established for RRC#2,222 connections Necessary to (signaling radio bearer 1, abbreviation SRB1).

For step (7 and 8) (507,508) to RRC#2,222, which send RRC connection, completes 507, is then receiving for swashing Living Non-Access Stratum (non-access stratum, abbreviation NAS) confirmation (acknowledgement, abbreviation ACK) (for example, Initial UE message in LTE) Shi Jianli (508) NG2/3 connection (for example, S1 carrying and S1 signaling connection in LTE).

Preferably, ALT2 can be applied to following scene:

Extra small area: in extra small area, multiple base stations or access point can be coordinated to form a large area cell, thus from The angle of the UE 210 creates a big virtual subdistrict.Therefore, two slices 110,120 may be coupled to same extra small area. It establishes/reconfigures in such a case, it is possible to send RRC connection, and may not be needed random access.

Only macro-cell deployment: two slices 110,120 may be coupled to same macrocell.In such a case, it is possible to It sends RRC connection to establish/reconfigure, and may not be needed random access.

Available position information: if the position UE can be used (for example, 5G automobile) or can be within the scope of expectation quality Estimation, then Timing Advance can be estimated in circulating prefix-length, and may not be needed random access.

According to the network structure, above-mentioned mechanism can be applied as it is, or can be with execution part step.Following repairs Change and describes some example implementations.

Fig. 7 shows the schematic diagram of more slice networks 700 according to an implementation, some of core nets (core network, abbreviation CN) function is shared by the slice in the CN.

In Fig. 7, for simplicity, two slices 110,120 are only described, described two slices can correspond to State the slice #1 of the activity in conjunction with described in aforementioned figures and idle slice #2.However, the UE 210 also accessible more slices. The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

In a network structure, some CN functions, such as control plane (control plane, abbreviation CP) function It can be shared between slice, as shown in Figure 7.In this class formation, the ICA 235 (also referred to as ICA-CN) can be located at altogether In the entity for enjoying (or general) control block 705.In this case, the MM function 703,704 of different CN examples 701,702 can be with In the dedicated control block of different slices, such as 2 (110) of slice 1 (120) described in above-mentioned combination aforementioned figures or slice. For example, it is contemplated that the location management of car networking (vehicle to anything, abbreviation V2X) slice or uMTC slice (a part as MM) and the location management that eMBB is sliced are completely different.In addition, in this configuration, above-mentioned combination is aforementioned attached The figure mechanism and step may be directly applied to this structure.

Fig. 8 shows the schematic diagram of more slice networks 800 according to an implementation, wherein mobile management (mobility management, abbreviation MM) function is shared by the slice in the CN.

In fig. 8, for simplicity, two slices 110,120 are also only described, described two slices can correspond to Activity described in above-mentioned combination aforementioned figures is sliced #1 and idle slice #2.It is more cut however, the UE 210 is also accessible Piece.The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

In a network structure, MM function can share 705 between the slice in the CN 230, as shown in Figure 8. In this class formation, a part of above-mentioned mechanism and step can be applied to this class formation (for above-mentioned ALT1 and ALT2).Such as UE 210 described in fruit it is accessible it is more than two slice and have different MM functions, then above-mentioned mechanism and step can be direct Applied to this class formation.Slice with general MM 235 can be considered as a virtual sliced sheet, the virtual sliced sheet and have Other slices of different MM functions can be communicated by the abovementioned steps of Fig. 3 to Fig. 6.

For example, step 1 (801) can correspond to step 3 described in above-mentioned combination Fig. 3 to Fig. 6 (303,503)；Step 2 (802) it can correspond to step 5 described in step 4 (304) or above-mentioned combination Fig. 5 and Fig. 6 described in above-mentioned combination Fig. 3 and Fig. 4 (505)；Step 3 (803) can correspond to step 5 (305) or above-mentioned combination Fig. 5 and Fig. 6 described in above-mentioned combination Fig. 3 and Fig. 4 The step 6 (506)；Step 4 (804) can correspond to step 6 (306) or above-mentioned knot described in above-mentioned combination Fig. 3 and Fig. 4 Close step 7 (507) described in Fig. 5 and Fig. 6.

Fig. 9 shows the schematic diagram of more slice networks 900 according to an implementation, wherein control plane (control Plane, abbreviation CP) function 705 shared by the slice in the CN 230.

In Fig. 9, for simplicity, two slices 110,120 are also only described, described two slices can correspond to Activity described in above-mentioned combination aforementioned figures is sliced #1 and idle slice #2.It is more cut however, the UE 210 is also accessible Piece.The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

In a network structure, CP function 705 can be shared between the slice in the CN 230, as shown in Figure 9. In this class formation, a part of above-mentioned mechanism and step can be applied to this class formation (for above-mentioned ALT1 and ALT2).Such as UE 210 described in fruit it is accessible it is more than two slice and have different MM functions, then above-mentioned mechanism and step can be direct Applied to this class formation.Have the function of that the slice of general CN CP 705 can be considered as a virtual sliced sheet, the virtual sliced sheet It can be communicated by the abovementioned steps of Fig. 3 to Fig. 6 with other slices with different MM functions.

For example, step 1 (801) can correspond to step 3 described in above-mentioned combination Fig. 3 to Fig. 6 (303,503)；Step 2 (802) it can correspond to step 5 described in step 4 (304) or above-mentioned combination Fig. 5 and Fig. 6 described in above-mentioned combination Fig. 3 and Fig. 4 (505)；Step 3 (803) can correspond to step 5 (305) or above-mentioned combination Fig. 5 and Fig. 6 described in above-mentioned combination Fig. 3 and Fig. 4 The step 6 (506)；Step 4 (804) can correspond to step 6 (306) or above-mentioned knot described in above-mentioned combination Fig. 3 and Fig. 4 Close step 7 (507) described in Fig. 5 and Fig. 6.

Figure 10 shows the schematic diagram of more slice networks 1000 according to an implementation, wherein when at least one is cut When piece (also referred to as slice example) is in activated state, executes and activated according to the optimization paging slice.Figure 11 shows Figure 10 Shown in more slice networks 1000 slice activation exemplary signal process Figure 110 0.

One embodiment is described by means of Figure 10 and Figure 11.Accordingly, the different step of disclosed method use from 0 to 4 numeral mark.

Different step in Figure 10 and Figure 11 also uses reference mark to mark, so as to from the step about other attached drawings Limit these steps.In Figure 10, for simplicity, two slices 110,120 are only described, described two slices can be right It should the slice #1 of the activity described in above-mentioned combination aforementioned figures and idle slice #2；Meanwhile as shown in figure 11, the UE 210 Accessible more slices.The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

When UE 210 is with multiple slices 110,120 and associated multiple RRC connection 211,212, between different slices Exchange RRC and/or ECM status information and/or service gNB information, connection history and/or tracking area and/or tracking area list (tracking area list, abbreviation TAL) passes through context control agent (Inter-slice between slice with optimization Context Control Agent, abbreviation ICA) 235 MM signaling.Particularly, in step 0 (1000a, 1000b, 1000c) In, institute is collected from the available CN example 231,232 (UE 210 can with and/or the CN example 231,232 that cannot access) State the aforementioned information of UE210.Based on the information, UE context can be constructed by the ICA 235 (also referred to as ICA-CN).? Under the following conditions, the ICA 235:(a can be transmitted these information to) tangential section adhere to new UE 210 when；(b) it periodically holds Row is to update the UE context；And/or (c) when at least first information changes.In Figure 10, described in one of them Slice is in activated state (for example, for being sliced #1,120 UE 210 are in RRC/ECM connected state；For be sliced #2,110 UE 210 is in RRC/ECM Idle state), data packet 101 reaches the slice #2 in RRC/ECM Idle state, and 110.It executes following Step:

Step (1 and 2) (1001,1002) CN example #2,232 will be based in step (0) (1000a, 1000b, 1000c) The context collected by ICA 235 is from ICA 235 via the mobile C N example #1, the clothes of the 231 retrieval UE 210 Be engaged in gNB.

Step (3) (1003) CN example #2,232 seek to neighboring community's transmission of described gNB and/or one group of determination of service Exhale order.

Step (4) (1004) pages the UE 210 on slice #2,110 these gNB.

If should be noted that the state of the CN example #2 is nullified similar to EMM, CN example #2,232 can be from ICA 235 retrieval UE contexts are (for example, international mobile subscriber identity (International Mobile Subscriber Identity, abbreviation IMSI) and the unique interim ID (Global Unique Temporary ID, abbreviation GUTI) in the whole world).Work as UE 210 accessible multiple slices and different slices is when being connected to different cells, system can page all these services GNB, such as scene described in above-mentioned combination Fig. 1 a.Furthermore, it is possible to consider slice requirement (such as slice type, Slice or the gNB of slice example are supported) in the case where page the subset of the gNB.

Figure 12 shows the schematic diagram of more slice networks 1200 according to an implementation, wherein when the institute of the UE When having slice (also referred to as slice example) in Idle state, executes and activated according to the optimization paging slice.Figure 13 is shown Exemplary signal process Figure 130 0 of the slice activation of more slice networks 1200 shown in Figure 12.

One embodiment of the present of invention is described by means of Figure 12 and Figure 13.Accordingly, the different step of disclosed method Using the numeral mark from 0 to 5.Different step in Figure 12 and Figure 13 also uses reference mark to mark, so as to from about other The following step of attached drawing limits these steps.In figure 12 and figure 13, for simplicity, only describe two slice 110, 120, described two slices can correspond to the slice #1 of activity described in above-mentioned combination aforementioned figures and idle slice #2.However, About Figure 12 and Figure 13, it is sliced #1,120 and slice #2,110 all in Idle state.However, the UE 210 also it is accessible more More slices.The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

When UE 210 is with multiple slices 110,120 and when associated multiple RRC connection 221,222, it is different be sliced (such as Be sliced #1,120 and slice #2,110) between exchange RRC and/or ECM status information and/or service gNB information, connection history And/or tracking area and/or tracking area list (tracking area list, abbreviation TAL), context between slice is passed through with optimization The MM signaling of control agent (Inter-slice Context Control Agent, abbreviation ICA) 235.Particularly, in step 0 In (1200a, 1200b, 1200c), from the available CN example 231,232 (i.e. UE 210 can with and/or cannot access The aforementioned information of CN example 231,232) the collection UE 210.It, can be by the ICA235 (also referred to as based on the information ICA-CN UE context) is constructed.In figure 12 and figure 13, all slices 110,120 of the UE 210 are all in Idle state (example Such as, UE is associated with it or RRC/ECM Idle state can be in all slices associated therewith, UE), data packet 101 It reaches and is sliced #2,110.Execute following steps:

Step (1 and 2) (1201,1202) CN example #2,232 will retrieve UE context from ICA 235, including connection is gone through History (for example, the movement routine in the active mode of the UE 210 and tracking area list (tracking area list, referred to as TAL))。

Step (3) (1203) CN example #2, the MM at 232 determine (or estimation) for paging based on following aspect GNB, such as:

The tracking area column of CN example 231,232 (such as the CN example #1 in Figure 12,231 and CN example #2,232) The lap of table (tracking area list, abbreviation TAL)；

Estimation movement routine of the UE 210 based on the connection history；

The UE 210 is likely located at estimation gNB thereon；

The slice of the gNB is supported.

Step (4 and 5) (1204,1205) pages the UE on slice #2,110 these determinations or estimation gNB 210。

It should be noted that the movement routine estimation can be different since the activation cycle of the slice 110,120 is different. In addition, the movement routine may include following information, such as move institute during the service gNB of the period UE 210, movement State 210 measured value of position coordinates and/or UE of UE210, such as RSRP and RSRQ.By context swap, optimization can be found Path.Further, since slice requires difference, so the TAL of the slice 110,120 can be different.

Figure 14 shows the schematic diagram of more slice networks 1400 according to an implementation, wherein when the institute of the UE There is slice (also referred to as slice example) in Idle state and there are a kind of wireless heterogeneous networks with UE described in the RAN When (radio resource control, abbreviation RRC) connection 1421, executes and activated according to the optimization paging slice.Figure 15 show exemplary signal process Figure 150 0 of the slice activation of more slice networks 1400 shown in Figure 14.

One embodiment of the present of invention is described by means of Figure 14 and Figure 15.Accordingly, the different step of disclosed method Using the numeral mark from 0 to 6.Different step in Figure 14 and Figure 15 also uses reference mark to mark, so as to from about other The step of attached drawing limits these steps.In figures 14 and 15, for simplicity, only describe two slice 110, 120, described two slices can correspond to the slice #1 of activity described in above-mentioned combination aforementioned figures and idle slice #2.However, About Figure 14 and Figure 15, it is sliced #1,120 and slice #2,110 all in Idle state.However, the UE 210 also it is accessible more More slices.The UE 210 can correspond to UE 210 described in above-mentioned combination aforementioned figures.

When UE 210 is associated with multiple slices, between different slices exchange RRC and/or ECM status information and/or GNB information, connection history and/or tracking area and/or tracking area list (tracking area list, abbreviation TAL) are serviced, with Optimization by slice between context control agent (Inter-slice Context Control Agent, abbreviation ICA) 235 ( Referred to as ICA-CN) MM signaling.Particularly, in step 0 (1400a, 1400b, 1400c), from the available CN example 232 231, (UE 210 can with and/or the CN example 231,232 that cannot access) collects the aforementioned information of the UE 210.Base In the information, UE context can be constructed by the ICA 235.In figures 14 and 15, all slices of the UE 210 All in Idle state (for example, RRC/ECM sky is associated with it or can be in all slices associated therewith, UE for UE Not busy state), data packet 101, which reaches, is sliced #2, and 110.Execute following steps:

Step (1 and 2) (1401,1402) CN example #2,232 will go through from ICA, 235 retrieval UE contexts, including connection History (for example, the movement routine in the active mode of the UE 210 and tracking area list (tracking area list, referred to as TAL))。

Step (3) (1403) CN example #2, the MM at 232 determine (or estimation) for paging based on following aspect GNB, such as:

The tracking area list of CN example (such as CN example #1 described in Figure 12,231 and CN example #2,232) The lap of (tracking area list, abbreviation TAL)；

Estimation movement routine of the UE 210 based on the connection history；

The UE 210 is likely located at estimation gNB thereon；

The slice of the gNB is supported.

Step (4) (1404) tangential section #2, these of 110 determine or estimate that gNB sends paging command.

Step (5) (1405) corresponds to CN example #2,232 RRC#2, and 1422 (from) are sent to RRC#1,1421 (masters) Request, to page slice #2,110 gNB.It should be noted that for simplicity, two RRC are shown in FIG. 15 1421,1422.Two or more is sliced, there can be master 1421 and multiple from RRC 1422.

Step (6) (1406) pages the UE 210 on slice #2,110 these determinations or estimation gNB.

It should be noted that above-mentioned mechanism and step can be direct when the network structure is similar to structure described in Fig. 7 Applied to this structure.

Figure 16 shows the illustrative user device according to an implementation (user equipment, abbreviation UE) 210 block diagram.The UE 210 includes processor 1601, such as handling function described in above-mentioned combination aforementioned figures.

The processor 1601 is used for: by least one of multiple slices activity slice (for example, above-mentioned combination is aforementioned 120) slice of activity described in attached drawing is received for the idle slice of at least one of the multiple slice (for example, above-mentioned combination The activation command 1602 of the slice of free time described in aforementioned figures 110) is (for example, activation command described in above-mentioned combination Fig. 3 and Fig. 4 304).The connection that the order of activation command 1602 executes at least one free time slice 110 is established.The processor 1602 It is also used to set activated state for the UE210, be established with enabling the connection of at least one free time slice 110

The processor 1602 can be used for initiating at least one described free time slice 110 and wireless access network (radio Access network, abbreviation RAN) (for example, RAN 220 described in above-mentioned combination aforementioned figures) the connection establish.

The processor 1601 can be used for by being sliced 120 (for example, above-mentioned combination is aforementioned at least one described activity Slice described in attached drawing) the associated UE 210 the first connection control example 211 receive the activation command 1602, 304.The processor 1601 can be used for by being sliced 110 (for example, above-mentioned combination aforementioned figures at least one described activity The slice) the second connection control example 212 of the associated UE 210 initiates the connection foundation.

The processor 1601 can be used for by being sliced 120 and at least one described free time at least one described activity The single connection control example of the 110 associated UE 210 is sliced (for example, single connection control described in above-mentioned combination Figure 14 Example 1411 processed) initiate the connection foundation.

The processor 1601 can be used for based on without paging random access channel (Random Access Channel, letter Claim RACH) process (ALT1), using with the activation command or random lead code 1602,304 (for example, above-mentioned combination is aforementioned attached The figure activation command or random lead code) received dedicated preamble together, initiate at least one described free time slice 110 The connection establish.

The processor 1601 can be used for based on without paging random access channel (Random Access Channel, letter Claim RACH) process (ALT2), use information unit provides and the activation command 1602, the 304 together received connection The information of foundation, especially Timing Advance (Timing Advance, abbreviation TA) and Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identity, abbreviation C-RNTI) (for example, letter described in above-mentioned combination aforementioned figures Breath), the connection for initiating at least one free time slice 110 is established.

The processor 1601 can be used for based on by least one activity slice 120 described in the multiple slice (for example, slice described in above-mentioned combination aforementioned figures) received described activation command 1602,304, enables the multiple slice In it is described at least one free time slice 110 the connection establish.

The UE 210 may include memory, for storing the state of the multiple slice.The processor 1601 can With for run be sliced between context control agent (ICA-UE) (for example, ICA-UE described in above-mentioned combination aforementioned figures 213), context control agent between different slices for exchanging information between the slice, especially for establishing connection Control command and information unit.

The processor 1601 can be used for running: with for receiving the activation command 1602,304 (for example, above-mentioned knot Close information described in aforementioned figures) at least one the associated first connection control of at least one described activity slice 120 it is real Example 211.The processor 1601 can be used for running to be built with the connection for initiating at least one free time slice 110 At least one described free time slice 110 of vertical (for example, information described in above-mentioned combination aforementioned figures) it is associated at least one Second connection control example 212.

The processor 1601 may include establishing with the connection for initiating at least one free time slice 110 At least one described activity slice 120 and at least one described associated single connections control example (example of free time slice 110 Such as, single connection control example 1411 described in above-mentioned combination Figure 14).

Figure 17 shows the example wireless according to an implementation access net (radio access network, Abbreviation RAN) entity (for example, RAN entity 220 described in above-mentioned combination aforementioned figures) block diagram.The RAN entity 220 can be with It is base station, such as gNB 106a, 106b, 106c described in above-mentioned combination Fig. 1 a and 1b.The RAN entity 220 includes processor 1701, such as handling function described in above-mentioned combination aforementioned figures.

The processor 1701 is used to UE (for example, UE 210 described in above-mentioned combination aforementioned figures) being connected to multiple cut At least one of piece activity slice (for example, slice of activity described in above-mentioned combination aforementioned figures 120).The processor 1701 It is also used to send 1602 (example of activation command to the UE 210 by least one of the multiple slice activity slice 120 Such as, activation command 304 described in above-mentioned combination Fig. 3 and Fig. 4).The activation command 1602,304 orders the UE 210 to establish The connection of the idle slice (110) (for example, slice described in above-mentioned combination aforementioned figures) of at least one of the multiple slice.

The activation command 1602,304 orders the UE 210 to enter activated state, is cut with enabling at least one described free time The connection of piece 110 is established.

The processor 1701 can be used for establishing the connection of at least one free time slice 110 and UE 210.

The processor 1701 can be used for based on without paging random access channel (Random Access Channel, letter Claim RACH) process (ALT1), using dedicated preamble or random lead code (for example, leading described in above-mentioned combination aforementioned figures Code), request the UE 210 to establish the connection of at least one free time slice 110.

The processor 1701 can be used for based on without paging random access channel (Random Access Channel, letter Claim RACH) process (ALT2), information unit is sent to provide the information established in relation to the connection, especially Timing Advance (Timing Advance, abbreviation TA) and Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (Cell Radio Network Temporary Identity, abbreviation C-RNTI) (for example, information described in above-mentioned combination aforementioned figures) (for example, above-mentioned combination aforementioned figures institute The information stated), request the UE 210 to establish the connection for initiating at least one free time slice 110.

Figure 18 shows the sample core network according to an implementation (core network, abbreviation CN) system The block diagram of (for example, CN system 230 described in above-mentioned combination aforementioned figures).

Core net (core network, the abbreviation CN) system 230 includes control agent (ICA-CN) (example between slice Such as, ICA-CN 235 described in above-mentioned combination aforementioned figures) and at least one CN example (for example, above-mentioned combination aforementioned figures institute At least one CN example 231 for stating, 232).

The ICA-CN 235 is used for from associated multiple with user equipment (user equipment, abbreviation UE) 210 At least one of slice slice (for example, slice described in above-mentioned combination aforementioned figures) collects contextual information.It is described at least One CN example 231,232 is used to send linking request (for example, connection described in above-mentioned combination aforementioned figures to the UE 210 Request 303,503).The connection request 303,503 requests the UE 210 to establish at least one of the multiple slice sky The connection of spare time 110 (for example, slices described in above-mentioned combination aforementioned figures) of slice.

At least one described CN example 231,232 can be used for: infer at least one base for paging the UE 210 Stand 220；Collecting information can be reduced for paging 109a, 109b in this way especially from the information of the ICA-CN 235 Multiple candidate base stations (for example, gNB 106a, 106b, 106c described in above-mentioned combination Fig. 1 a and 1b), more particularly to described more CN state, serving BS, connection history and/or the tracking area of a slice (for example, slice described in above-mentioned combination aforementioned figures) The information of list.

At least one described CN example 231,232 can be used for based on the multiple slice (for example, above-mentioned related aforementioned attached The slice of figure) priority, by it is described at least one activity slice 120 to the UE 210 send based on no paging The connection request 303,503.

At least one described CN example 231,232 can be used for that the UE 210 is requested to cut by least one described free time Piece 110 is connected to known to same base station or extra small area and/or location information in the UE 210 (for example, above-mentioned combination is aforementioned Explanation described in attached drawing) when, based on without nonrandom access channel (Random Access Channel, the abbreviation RACH) mistake of paging Journey (ALT2) establishes the connection of at least one free time slice 110.

At least one described CN example 231,232 can be used for that the UE 210 is requested to cut by least one described free time When piece 110 is connected to same base station or adjacent base station (for example, base station described in above-mentioned combination aforementioned figures), based on without paging with Machine accesses channel (Random Access Channel, abbreviation RACH) process (ALT1) and establishes at least one described free time slice 110 connection.

The CN system 230 can be a part of full communication system, and the communication system includes to slice network, example More slice networks 200,300,500,700,800,900,1000,1200,1400 as described in above-mentioned combination aforementioned figures.It is described Communication system includes UE 210 described in above-mentioned combination aforementioned figures；Wireless access network described in above-mentioned combination aforementioned figures (radio access network, abbreviation RAN) entity 220；And CN system 230 described in above-mentioned combination aforementioned figures.

Figure 19 shows a kind of schematic diagram of illustrative methods 1900, the method according to an implementation and is used for The connection for enabling the idle slice (for example, idle slice 110 of UE 210 described in above-mentioned combination aforementioned figures) of UE is established.

The method 1900 includes the activation life for receiving 1901 for the idle slice 110 of at least one of multiple slices It enables, wherein the activation command order executes at least one described free time slice 110 (for example, described in above-mentioned combination aforementioned figures Slice) connection establish.

It is activated state that the method 1900, which further includes by the UE 210 setting 1902, to enable at least one described free time The connection for being sliced 110 (for example, slices described in above-mentioned combination aforementioned figures) is established.

Other methods can the CN system described in the processing step and above-mentioned combination aforementioned figures with the RAN entity 220 The processing step of system 230 is related.

The present invention also supports the computer program product including computer-executable code or computer executable instructions, institute State computer-executable code or computer executable instructions makes the execution of at least one computer described herein when being executed Execute and calculate step, method 1900 described in especially above-mentioned combination Figure 19.This computer program product may include storage The readable non-transitory storage medium of program code, for computer use.Said program code can execute place as described herein Reason and calculating step, the especially above method 1900.

In the following, it is described that other examples implementations.

First example is related to the building of UE context, and the UE context building is received based on the CN example from given UE Information unit, i.e., context swap agency between the described slice (Inter-slice Context Control Agent, referred to as ICA it) may infer that the information of the activity slice by it, so that can be direct with UE by one of them described activity slice Connection, is directly connected to by such, activates another idle slice；And/or the ICA can be reduced to the maximum extent by it The information that the search space of gNB is paged is based particularly on ECM state vector, the clothes of ECM state to identify the UE Be engaged in gNB, connection history and TAL.

Second example with when receiving data packet from the free time be sliced to the ICA request UE it is context-sensitive.

Third example is asked with based on the slice priority and ECM state vector by the activity slice transmission connection Ask/establish correlation, wherein (no paging ALT1 and ALT2) a) if to activate the slice of higher priority, by having most Close to the activity slice of priority；If b) to activate the slice of more low priority, by having the activity of minimum priority Slice.

4th example is related (no paging ALT2) to from general RAN transmission connection foundation, and condition is to cut the free time to be activated Piece should be connected to known to same gNB or extra small area or location information.

5th example and send that the activation command is related (no paging ALT1), condition is that be sliced the free time to be activated can be with It is connected to same gNB or adjacent gNB.

6th example is related (no paging ALT1) to the dedicated PRACH lead code of same a gNB and adjacent gNB transmission.

7th example and the ICA-UE via the side UE send RRC connection to the idle slice and establish signal related (nothing is sought Exhale ALT2).

8th example is related to the 7th example, and wherein RRC connection is established through logic interfacing in main RRC and between RRC It is communicated, such as X2*, depends on the placement of control unit (control unit, abbreviation CU).

9th example is related (no paging ALT2) to from UE to the NAS ACK of the CN example #2.

Tenth example is related to gNB estimation, wherein the gNB will be as based on the UE or more described in claim 1 Idle slice paging (optimization paging) a of text activation) the gNB list of the estimation is sent to the general RAN；B) based on reception The gNB of the estimation page the UE.

11st example is related to one new function entity ICA (as described above).

12nd example is related to one new function entity ICA-UE (as described above).

13rd example is related to the system of a method and above-mentioned entity.

14th example is related to an implementation, wherein a part of mechanism described in the present invention is applied to above-mentioned step Rapid various combinations.For example, the paging message in such as step (4) 1004 may include the information list needed for the connection is established Timing Advance (Timing Advance, abbreviation TA) and cell-radio network in member, such as such as step (5) 505 is interim It identifies (Cell Radio Network Temporary Identity, abbreviation C-RNTI).This implementation can have with Lower advantage: after receiving the paging message, non-RACH connection can be executed and established.In addition, being initiated the connection receiving UE When the paging message of foundation, the paging message can be considered as activation command.

15th example is related to an implementation, and wherein ICA-CN can configure the ICA-UE to execute above-mentioned mechanism Or execute determining control plane function.

16th example is related to an implementation, and wherein a part of above-mentioned steps is by described in the present invention different real Body executes.For example, ICA-CN can determine activity slice according to the information unit collected from slice example, pass through the activity The connection request of the idle slice of slice transmission.In another example, the step of collecting information unit and building state vector can be with It is executed by the CN example of the slice.Such example can be accomplished by the following way, for example, by the slice It include ICA function in different CN examples, or by including at least one described CN reality in the slice by the ICA function In example.In another example, ICA-CN can send the connection request of the idle slice example to the activity of the determination It is sliced example.

Based on the technology proposed in the present invention, various message and information unit may need to change signaling.In addition, these disappear Breath can be transmitted by Uu and/or Un interface and CN interface.

Although particularly unique feature of the present invention or aspect may carry out disclosure only in conjunction with one of several implementations, But such features or aspect can be combined with one or more features or aspect in other implementations, as long as any Given or specific application is in need or advantageous.Moreover, to a certain extent, term " includes ", " having ", " having " or these Other deformations of word use in detailed description or claims, and this kind of term is similar with the term "comprising" , it is all the meaning for indicating to include.Equally, term " illustratively ", " such as " it is only meant as example, rather than it is preferably or best 's.Term " coupling " and " connection " and its derivative can be used.It should be appreciated that these terms can serve to indicate that two elements It cooperates or interacts with, but regardless of them be direct physical contact or electrical contact or they are not directly contacted with each other.

Although particular aspects have been illustrated and described herein, it is understood by those skilled in the art that it is a variety of substitution and/ Or equivalent implementations can without departing from the scope of the invention shown in and description particular aspects.This application is intended to cover Cover any modification or change of particular aspects discussed herein.

Although the element in following claims is to be enumerated using corresponding label according to particular order, unless to power The elaboration that benefit requires separately has the particular order implied for implementation section or all these elements, and otherwise these elements are not necessarily limited to Implemented with the particular order.

By enlightening above, to those skilled in the art, many substitutions, modifications and variations are obvious. Certainly, it will be readily recognized by one of average skill in the art that in addition to application as described herein, there is also of the invention numerous other Using.Although having referred to one or more specific embodiments describes the present invention, those skilled in the art will realize that Without departing from the scope of the present invention, still can to the present invention many modifications may be made.As long as it will be understood, therefore, that institute In the range of attached claims and its equivalent, the present invention can be practiced with mode otherwise than as specifically described herein.

Claims (22)

1. a kind of user equipment (UE) (210), including processor (1601), are used for:

It is received by least one of multiple slices activity slice (120) at least one of the multiple slice free time It is sliced the activation command (1602,304) of (110), wherein the activation command (1602,304) orders at least one described in execution The connection of free time slice (110) is established；And

Activated state is set by the user equipment (210), to enable the connection of at least one free time slice (110) It establishes.

2. user equipment (210) according to claim 1, wherein the processor (1601) is used for:

The connection for initiating at least one free time slice (110) and wireless access network (RAN) (220) is established.

3. user equipment (210) according to claim 1 or 2, wherein the processor (1601) is used for:

The first connection control by the user equipment (210) associated at least one described activity slice (120) is real Example (211) receives the activation command (1602,304)；And

The second connection control by the user equipment (210) associated at least one described free time slice (110) is real Example (212) is initiated the connection and is established.

4. user equipment (210) according to any one of the preceding claims, wherein the processor (1601) is used for:

Pass through the use associated at least one described activity slice (120) and at least one described free time slice (110) Single connection control example (1411) of family equipment (210) is initiated the connection and is established.

5. user equipment (210) according to any one of the preceding claims, wherein the processor (1601) is used for:

Based on without paging random access channel (RACH) process (ALT1), using with the activation command (1602,304) or random Lead code together establish by received dedicated preamble, the connection for initiating at least one free time slice (110).

6. user equipment (210) according to any one of the preceding claims, wherein the processor (1601) is used for:

Based on without paging random access channel (RACH) process (ALT2), use information unit is provided and the activation command (1602,304) are received about the information for connecting and establishing, especially Timing Advance (TA) and cell-radio network together Temporary identifier (C-RNTI), the connection for initiating at least one free time slice (110) are established.

7. user equipment (210) according to any one of the preceding claims,

Wherein the processor (1601) is for being based on, and is sliced by least one activity described in the multiple slice (120) the received activation command (1602,304) enables at least one described free time slice in the multiple slice (110) the connection is established.

8. user equipment (210) according to any one of the preceding claims, comprising:

Memory, for storing the state of the multiple slice, wherein the processor (1601) is used to run between being sliced up and down Literary control agent (ICA-UE) (213), context control agent is special for exchanging information between different slices between the slice It is not for connecting the control command established and information unit.

9. user equipment (210) according to any one of the preceding claims, wherein the processor (1601) is for transporting Row:

With at least one described activity slice (120) associated at least one for receiving the activation command (1602,304) A first connection control example (211)；And

It is sliced at least one described free time that the connection for initiating at least one free time slice (110) is established (110) at least one associated second connection control example (212).

10. user equipment (210) according to any one of the preceding claims, wherein the processor (1601) includes:

It is sliced at least one described activity that the connection for initiating at least one free time slice (110) is established (120) and the associated single connection of at least one free time slice (110) controls example (1411).

11. a kind of wireless access network (RAN) entity (220), especially a kind of base station (BS), including processor (1701), are used for:

By user equipment (210), it is connected in particular according to user equipment described in any one of claims 1 to 10 (210) At least one of multiple slices activity slice (120)；And

Activation command is sent by least one of the multiple slice activity slice (120) Xiang Suoshu user equipment (210) (1602,304), wherein the activation command (1602,304) orders the user equipment (210) to be established in the multiple slice At least one free time slice connection.

12. radio access network entity (220) according to claim 11,

Wherein the activation command (1602,304) orders the user equipment (210) to enter activated state, described at least with enabling The connection of one idle slice (110) is established.

13. radio access network entity (220) according to claim 11 or 12,

Wherein the processor (1701) is for establishing at least one described free time slice (110) and the user equipment (210) The connection.

14. 1 to 13 described in any item radio access network entities (220) according to claim 1,

Wherein the processor (1701) is used to be based on without paging random access channel (RACH) process (ALT1), before dedicated Leading code or random lead code request the connection of the user equipment (210) at least one free time slice to be established.

15. 1 to 13 described in any item radio access network entities (220) according to claim 1,

Wherein the processor (1701) is used to send information list based on without paging random access channel (RACH) process (ALT2) Member provides the information established about the connection, especially Timing Advance (TA) and Cell Radio Network Temporary Identifier/Identity, Cell-RNTI (C- RNTI), the connection of the user equipment (210) at least one free time slice (110) is requested to be established.

16. a kind of core net (CN) system (230), comprising:

Control agent (ICA-CN) (235) between slice, for from multiple slices associated with user equipment (UE) (210) At least one slice collects contextual information；And

At least one core net example (231,232), for sending connection request (303,503) to the user equipment (210), Connection request (the 303,503) request user equipment (210) is established at least one of the multiple slice free time and is cut The connection of piece (110).

17. core network system (230) according to claim 16, wherein at least one core net example (231, 232) it is used for:

Infer at least one base station (220) for paging the user equipment (210)；And

Collecting information can be reduced for paging in this way especially from the information of control agent (235) between the slice Multiple candidate base stations (106a, 106b, 106c) of (109a, 109b), more particularly to the multiple slice core net state, The information of serving BS, connection history and/or tracking area list.

18. core network system (230) according to claim 16, wherein at least one core net example (231, 232) it is used for:

Based on the priority of the multiple slice, pass through at least one described activity slice (120) Xiang Suoshu user equipment (210) Send the connection request (303,503) based on no paging.

19. core network system described in any one of 6 to 18 (230) according to claim 1, wherein at least one described core net Example (231,232) is used for:

Request the user equipment (210) that at least one described free time slice (110) is being connected to same base station or extra small area And/or when known to the location information in the user equipment (210), based on without nonrandom access channel (RACH) process of paging (ALT2) connection of at least one free time slice (110) is established.

20. core network system described in any one of 6 to 19 (230) according to claim 1, wherein at least one described core net Example (231,232) is used for:

Request the user equipment (210) that at least one described free time slice (110) is being connected to same base station or adjacent base When standing, based on the company for establishing at least one free time slice (110) without paging random access channel (RACH) process (ALT1) It connects.

21. the method (1900) that the connection of idle slice (110) of the one kind for enabling user equipment (UE) (210) is established, institute The method of stating includes:

(1901) are received for the activation command of the idle slice (110) of at least one of multiple slices, wherein the activation is ordered The connection for enabling order execute at least one free time slice (110) is established；And

It is activated state by the user equipment (210) setting (1902), for enabling at least one free time slice (110) The connection is established.

22. a kind of communication system (200,300,500,700,800,900,1000,1200,1400), comprising:

User equipment (210) according to any one of claim 1 to 10；

Wireless access network described in any one of 1 to 15 (RAN) entity (220) according to claim 1；And

Core network system described in any one of 6 to 20 (230) according to claim 1.