CN108055697A - The connection management method and system of wireless heterogeneous networks - Google Patents
The connection management method and system of wireless heterogeneous networks Download PDFInfo
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- CN108055697A CN108055697A CN201610772467.7A CN201610772467A CN108055697A CN 108055697 A CN108055697 A CN 108055697A CN 201610772467 A CN201610772467 A CN 201610772467A CN 108055697 A CN108055697 A CN 108055697A
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/27—Control channels or signalling for resource management between access points
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/10—Access restriction or access information delivery, e.g. discovery data delivery using broadcasted information
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- Computer Networks & Wireless Communication (AREA)
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- Mobile Radio Communication Systems (AREA)
Abstract
The present invention proposes a kind of connection management method of wireless heterogeneous networks, including：When the judgement of first radio resource control RRC entity needs to activate the 2nd RRC entities, activation command is issued to user equipment (UE)；Wherein, the first RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE, and the first RRC entities are active, and the 2nd RRC entities are in deactivation status；The Signalling exchange of wireless access network of the wireless access network according to where with the first RRC entities where the 2nd RRC entities, the control plane that the UE is established with core-network side are connected, and change the carrying path that division is carried on wired network；After the UE receives the activation command, the 2nd RRC entities are activated, deactivate the first RRC entities, and the 2nd RRC started upon activation physically carries out sending and receiving for RRC signaling.
Description
Technical field
The present invention relates to wireless communication system more particularly to the connection management method and systems of wireless heterogeneous networks.
Background technology
5th third-generation mobile communication (5th generation, 5G) technology has become countries in the world moving communicating field at present
Research hotspot.According to《5G visions and demand white paper》Description, 5G has that covering is wide, speed is fast, connection equipment is more, power consumption
Low, the features such as time delay is low.5G technologies can provide extensive seamless service experience to the user, even if in the case where telling mobile environment,
It can realize the user experience rate of more than 100Mbit/s；The general access rate of optical fiber can be provided to the user, enabled users in office
Portion's hot zones enjoy the experience of the common high message transmission rate up to 1Gbit/s.
At present, for 5G technologies there are two types of service deployment mode, a kind of is the close work side for combining with existing 4G business deployment
Formula, another is then the autonomous working mode for only having 5G technologies completely.Under foregoing close work mode, in access wet end
Point, not only there is the access device of original 4G, also using the new access device of 5G network technologies, how to handle therebetween
Relation be a urgent problem to be solved.
The content of the invention
In view of the above-mentioned problems, the present invention proposes a kind of connection management method of wireless heterogeneous networks, including：First wireless money
When source control RRC entity judgements need to activate the 2nd RRC entities, activation command is issued to user equipment (UE)；Wherein, described first
RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE, at the first RRC entities
In state of activation, the 2nd RRC entities are in deactivation status；Wireless access network where the 2nd RRC entities according to
With the Signalling exchange of the wireless access network where the first RRC entities, the control plane that the UE is established with core-network side is connected,
And change the carrying path that division is carried on wired network；After the UE receives the activation command, it is real to activate the 2nd RRC
Body, deactivates the first RRC entities, and the 2nd RRC started upon activation physically carry out RRC signaling reception and
It sends.
Further, nothing of the wireless access network where the 2nd RRC entities according to where with the first RRC entities
The Signalling exchange of line access, the control plane that the UE is established with core-network side are connected, and are changed division and be carried on wired network
Carrying path include：Wireless access network where the first RRC entities is to the wireless access where the 2nd RRC entities
Net sends carrying alteration command；Wireless access network where the 2nd RRC entities is saved according to the carrying alteration command to CN
Point sends control connection and establishes request；Wireless access network where the 2nd RRC entities according to the feedbacks of the CN nodes, with
Control connection is established between the CN nodes；Wireless access network where the 2nd RRC entities refers to according to the carrying change
Order sends user data carrying change request to the CN nodes；Wireless access network where the 2nd RRC entities is according to institute
The feedback of CN nodes is stated, will be held originally via the user data of the wireless access network where the first RRC entities on wired network
Carry the wireless access network switched to where the 2nd RRC entities.
Further, the activation command is L1 orders, L2 orders or L3 orders.
Further, the judgement is reported according to the measurement of the UE and/or network load condition carries out.
Further, the first RRC entities are LTE RRC entities or non-LTE RRC entities；2nd RRC is real
Body includes non-LTE RRC entities or LTE RRC entities.
Further, the core net includes：LTE core network or non-LTE core network.
Based on identical design, the present invention also proposes a kind of connection management system of wireless heterogeneous networks, including：First nothing
When the judgement of line resources control RRC entities needs to activate the 2nd RRC entities, activation command is issued to user equipment (UE)；Wherein, it is described
First RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE, and the first RRC is real
Body is active, and the 2nd RRC entities are in deactivation status；Wireless access network where the 2nd RRC entities
The Signalling exchange of wireless access network according to where with the first RRC entities establishes the control plane of the UE with core-network side
Connection, and change the carrying path that division is carried on wired network；After the UE receives the activation command, activation described second
RRC entities deactivate the first RRC entities, and the 2nd RRC started upon activation physically carries out RRC signaling
It sends and receivees.
Further, wirelessly the connecing according to where with the first RRC entities of the wireless access network where the 2nd RRC entities
The Signalling exchange of networking, the control plane that the UE is established with core-network side are connected, and are changed division and be carried on holding on wired network
Carrying path includes：Wireless access network where the first RRC entities is to the wireless access network hair where the 2nd RRC entities
Send carrying alteration command；Wireless access network where the 2nd RRC entities is sent out according to the carrying alteration command to CN nodes
Control connection is sent to establish request；Wireless access network where the 2nd RRC entities is and described according to the feedbacks of the CN nodes
Control connection is established between CN nodes；Wireless access network where the 2nd RRC entities according to the carrying alteration command, to
The CN nodes send user data carrying change request；Wireless access network where the 2nd RRC entities is according to the CN
The feedback of node cuts the user data carrying originally via the wireless access network where the first RRC entities on wired network
Shift to the wireless access network where the 2nd RRC entities.
Further, the activation command is L1 orders, L2 orders or L3 orders.
Further, the judgement is reported according to the measurement of the UE and/or network load condition carries out.
Further, the first RRC entities are LTE RRC entities or non-LTE RRC entities；2nd RRC is real
Body includes non-LTE RRC entities or LTE RRC entities.
Further, the core net includes：LTE core network or non-LTE core network.
The method and system of the present invention introduces the concept of double RRC entities, and LTE RRC entities and New RAT RRC entities are same
When exist, the activation of RRC entities is deactivated and can completed in the case where UE be in RRC connection status, can dynamic flexible change more RAT and grasp
RAT RRC changes in the case of work, switching can not be had to when changing RRC entities, does not bring data outage.
Description of the drawings
It in order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is attached drawing needed in technology description to be briefly described, it should be apparent that, the accompanying drawings in the following description is this hair
Some bright embodiments, for those of ordinary skill in the art, without creative efforts, can be with root
Other attached drawings are obtained according to these attached drawings.
Fig. 1 is that the connection management method of wireless heterogeneous networks proposed by the present invention handles block diagram；
Fig. 2 is the network architecture schematic diagram in the embodiment of the present invention 1；
Fig. 3 is the network architecture schematic diagram in the embodiment of the present invention 2；
Fig. 4 is the network architecture schematic diagram in the embodiment of the present invention 3.
Specific embodiment
To make the purpose, technical scheme and advantage of the embodiment of the present invention clearer, below in conjunction with the embodiment of the present invention
In attached drawing, the technical solution in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is
Part of the embodiment of the present invention, instead of all the embodiments；It should be noted that in the case where there is no conflict, in the application
Embodiment and embodiment in feature can be mutually combined.Based on the embodiments of the present invention, those of ordinary skill in the art
All other embodiments obtained without creative efforts belong to the scope of protection of the invention.
One embodiment of the present of invention proposes a kind of connection management method of wireless heterogeneous networks, please refers to Fig.1, including such as
Lower step：
When the judgement of first radio resource control RRC entity needs to activate the 2nd RRC entities, issue activation command and set to user
Standby UE；Wherein, the first RRC entities and the 2nd RRC entities remain with the aerial of the RRC connections between UE and connect
Mouthful, the first RRC entities are active, and the 2nd RRC entities are in deactivation status；
Wireless access network of the wireless access network according to where with the first RRC entities where the 2nd RRC entities
Signalling exchange, the control plane that the UE is established with core-network side is connected, and changes the carrying road that division is carried on wired network
Footpath；
After the UE receives the activation command, the 2nd RRC entities are activated, deactivate the first RRC entities, and
The 2nd RRC started upon activation physically carries out sending and receiving for RRC signaling.
In one alternate embodiment, the wireless access network where the 2nd RRC entities is according to real with the first RRC
The Signalling exchange of wireless access network where body, the control plane that the UE is established with core-network side are connected, and change division carrying
Carrying path on wired network includes：
Wireless access network where the first RRC entities sends carrying alteration command to the 2nd RRC entities；
Wireless access network where the 2nd RRC entities sends to CN nodes and controls according to the carrying alteration command
Request is established in connection；
Wireless access network where the 2nd RRC entities is according to the feedbacks of the CN nodes, between the CN nodes
Establish control connection；
Wireless access network where the 2nd RRC entities is sent according to the carrying alteration command to the CN nodes
User data carrying change request；
Wireless access network where the 2nd RRC entities will originally be passed through according to the feedback of the CN nodes on wired network
As the nothing where the user data carrying of the wireless access network where the first RRC entities switches to the 2nd RRC entities
Line access.
In one alternate embodiment, the judgement is reported according to the measurement of the UE and/or network load condition carries out.
In one alternate embodiment, the activation command is L1 orders, L2 orders or L3 orders.
In one alternate embodiment, the first RRC entities are LTE RRC entities or non-LTE RRC entities；Institute
Stating the 2nd RRC entities includes non-LTE RRC entities or LTE RRC entities.
In one alternate embodiment, the core net includes：LTE core network or non-LTE core network.
Based on identical design, the present invention also proposes a kind of connection management system of wireless heterogeneous networks, including：First nothing
When the judgement of line resources control RRC entities needs to activate the 2nd RRC entities, activation command is issued to user equipment (UE)；Wherein, it is described
First RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE, and the first RRC is real
Body is active, and the 2nd RRC entities are in deactivation status；
Wireless access network of the wireless access network according to where with the first RRC entities where the 2nd RRC entities
Signalling exchange, the control plane that the UE is established with core-network side is connected, and changes the carrying road that division is carried on wired network
Footpath；
After the UE receives the activation command, the 2nd RRC entities are activated, deactivate the first RRC entities, and
The 2nd RRC started upon activation physically carries out sending and receiving for RRC signaling.
In one alternate embodiment, the wireless access network where the 2nd RRC entities according to the first RRC entities institute
Wireless access network Signalling exchange, the control plane that the UE is established with core-network side is connected, and is changed division and be carried on
Carrying path on gauze includes：Wireless access network where the first RRC entities is to the nothing where the 2nd RRC entities
Line access sends carrying alteration command；Wireless access network where the 2nd RRC entities according to the carrying alteration command,
Control connection, which is sent, to CN nodes establishes request；Wireless access network where the 2nd RRC entities is according to the CN nodes
Feedback establishes control connection between the CN nodes；Wireless access network where the 2nd RRC entities is according to the carrying
Alteration command sends user data carrying change request to the CN nodes；Wireless access network where the 2nd RRC entities
According to the feedback of the CN nodes, by script on wired network via the user of the wireless access network where the first RRC entities
Deta bearer switches to the wireless access network where the 2nd RRC entities.
In one alternate embodiment, the judgement is reported according to the measurement of the UE and/or network load condition carries out.
In one alternate embodiment, the activation command is L1 orders, L2 orders or L3 orders.
In one alternate embodiment, the first RRC entities are LTE RRC entities or non-LTE RRC entities；Institute
Stating the 2nd RRC entities includes non-LTE RRC entities or LTE RRC entities.
In one alternate embodiment, the core net includes：LTE core network or non-LTE core network.
The method and system of the present invention introduces the concept of double RRC entities, and LTE RRC entities and New RAT RRC entities are same
When exist, the activation of RRC entities is deactivated and can completed in the case where UE be in RRC connection status, can dynamic flexible change more RAT and grasp
RAT RRC changes in the case of work, switching can not be had to when changing RRC entities, does not bring data outage.
Embodiment 1
Network architecture schematic diagram in LTE-New RAT tight-interworking modes is as shown in Fig. 2, wherein thick
Line represents the control plane between access net side and core net, and filament represents Deta bearer.
In Fig. 2 left parts, the RRC entities of New-RAT are active, there are three data flows, respectively in LTE
Data are sent out to UE in RAN sides and New RAT RAN sides；Then LTE sides RRC entities are activated, while deactivate newRAT RRC entities,
Synchronization is only active there are one RRC entities.The order for wherein activating RRC entities can be L1 orders or L2
Order or L3 orders.In Fig. 2 right parts, the activation of LTE sides RRC entities, NEW RATRRC entities deactivate.
The activation of RRC entities, which deactivates, does not change the RAT that the Deta bearer on eating dishes without rice or wine is belonged to, but may change has
The foundation of user plane on gauze.It is specific to refer to Fig. 2, wherein wired network user plane on New RAT, user plane of eating dishes without rice or wine also exists
Deta bearer (as shown in short dash line) or wired network user plane on new RAT are on LTE, user plane of eating dishes without rice or wine is also on LTE
Deta bearer (as shown in long dotted line), RRC activation entity change after, the data flow on wired network will not be changed；And such as
The Deta bearer (as indicated by chain dotted lines) that fruit wired network user plane is on New RAT, user plane of eating dishes without rice or wine is on LTE, then need to cut
The data flow for being carried on wired network is changed to be carried on LTE.
Embodiment 2
Fig. 3 is referred to, with embodiment 1 similarly.It is initially LTE RRC entities to be active, then activates new
RATRRC entities.Detailed process is as follows：
Step 1：UE initiates RRC connections and establishes, and in LTE cells, and report network side is with 5G abilities and with LTE-
The ability of new RAT tightinterworking.
Step 2：LTE network side is consulted with 5G networks, and obtains the configuration parameter of eating dishes without rice or wine of 5G, and is passed through LTE RRC and issued
LTE eats dishes without rice or wine to configure parameter and 5G eats dishes without rice or wine configuration parameter to UE, while it is that LTE RRC entities are active to give tacit consent to, 5G
RRC is in deactivation status.
Step 3：LTE is reported according to UE measurements and situations such as network load, determines activation 5G RRC entities, then with New
RAT negotiating bearers are switched to above New RAT RAN by LTE RAN in the path of wired network and gone, such as the chain-dotted line generation in figure
The division carrying of table.New RAT RAN establish control connection with CN sides, carry out data bearing path conversion on wired network, conversion
LTE RAN sides are notified after success.
Then LTE RAN issue RRC entities activation command to UE, and RRC entities activation command here can be L1 orders
(such as PDCCH order) either L2 orders (MAC CE) or L3 orders (RRC).
Step 4：After UE receives the RRC entity activation commands, the activation deactivation status of RRC is changed, and starts to swash newly
RRC living physically carries out RRC signaling and sends and receivees process.
Embodiment 3
The present embodiment is substantially the same manner as Example 2, please refers to Fig.4, corresponding when differing only in NEW RAT side activatings
Core net is NEW-CN rather than LTE-CN.
One of ordinary skill in the art will appreciate that：Realizing all or part of step of above method embodiment can pass through
The relevant hardware of program instruction is completed, and foregoing program can be stored in a computer read/write memory medium, the program
Upon execution, the step of execution includes above method embodiment；And foregoing storage medium includes：ROM, RAM, magnetic disc or light
The various media that can store program code such as disk.
Finally it should be noted that：The above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although
The present invention is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that：It still may be used
To modify to the technical solution recorded in foregoing embodiments or carry out equivalent substitution to which part technical characteristic；
And these modification or replace, do not make appropriate technical solution essence depart from various embodiments of the present invention technical solution spirit and
Scope.
Claims (12)
1. a kind of connection management method of wireless heterogeneous networks, which is characterized in that including：
When the judgement of first radio resource control RRC entity needs to activate the 2nd RRC entities, activation command is issued to user equipment
UE；Wherein, the first RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE,
The first RRC entities are active, and the 2nd RRC entities are in deactivation status；
The letter of wireless access network of the wireless access network according to where with the first RRC entities where the 2nd RRC entities
Order interaction, the control plane that the UE is established with core-network side are connected, and change the carrying path that division is carried on wired network；
After the UE receives the activation command, the 2nd RRC entities are activated, the first RRC entities is deactivated, and starts
The 2nd RRC upon activation physically carries out sending and receiving for RRC signaling.
2. according to the method described in claim 1, it is characterized in that, wireless access network where the 2nd RRC entities according to
With the Signalling exchange of the wireless access network where the first RRC entities, the control plane that the UE is established with core-network side is connected,
And change the carrying path that division is carried on wired network；Including：
Wireless access network where the first RRC entities sends carrying to the wireless access network where the 2nd RRC entities
Alteration command；
Wireless access network where the 2nd RRC entities sends control connection according to the carrying alteration command to CN nodes
Establish request；
Wireless access network where the 2nd RRC entities is established according to the feedback of the CN nodes between the CN nodes
Control connection；
Wireless access network where the 2nd RRC entities sends user according to the carrying alteration command to the CN nodes
Deta bearer change request；
Wireless access network where the 2nd RRC entities according to the feedbacks of the CN nodes, by wired network originally via institute
What the user data carrying for stating the wireless access network where the first RRC entities switched to where the 2nd RRC entities wireless connects
It networks.
3. according to the method described in claim 1, it is characterized in that, the judgement is reported according to the measurement of the UE and/or net
Network loading condition carries out.
4. according to the method described in claims 1 to 3 any one, which is characterized in that the activation command is L1 orders, L2 is ordered
Order or L3 orders.
5. according to the method described in claims 1 to 3 any one, which is characterized in that the first RRC entities are LTE RRC
Entity or non-LTE RRC entities；The 2nd RRC entities include non-LTE RRC entities or LTE RRC entities.
6. according to the method described in claims 1 to 3 any one, which is characterized in that the core net includes：LTE core network,
Or non-LTE core network.
7. a kind of connection management system of wireless heterogeneous networks, which is characterized in that including：
When the judgement of first radio resource control RRC entity needs to activate the 2nd RRC entities, activation command is issued to user equipment
UE；Wherein, the first RRC entities and the 2nd RRC entities remain with the air interface of the RRC connections between UE,
The first RRC entities are active, and the 2nd RRC entities are in deactivation status；
The letter of wireless access network of the wireless access network according to where with the first RRC entities where the 2nd RRC entities
Order interaction, the control plane that the UE is established with core-network side are connected, and change the carrying path that division is carried on wired network；
After the UE receives the activation command, the 2nd RRC entities are activated, the first RRC entities is deactivated, and starts
The 2nd RRC upon activation physically carries out sending and receiving for RRC signaling.
8. system according to claim 7, which is characterized in that wireless access network where the 2nd RRC entities according to
With the Signalling exchange of the wireless access network where the first RRC entities, the control plane that the UE is established with core-network side is connected,
And change the carrying path that division is carried on wired network；Including：
Wireless access network where the first RRC entities sends carrying to the wireless access network where the 2nd RRC entities
Alteration command；
Wireless access network where the 2nd RRC entities sends control connection according to the carrying alteration command to CN nodes
Establish request；
Wireless access network where the 2nd RRC entities is established according to the feedback of the CN nodes between the CN nodes
Control connection；
Wireless access network where the 2nd RRC entities sends user according to the carrying alteration command to the CN nodes
Deta bearer change request；
Wireless access network where the 2nd RRC entities according to the feedbacks of the CN nodes, by wired network originally via institute
What the user data carrying for stating the wireless access network where the first RRC entities switched to where the 2nd RRC entities wireless connects
It networks.
9. system according to claim 7, which is characterized in that the judgement is reported according to the measurement of the UE and/or net
Network loading condition carries out.
10. the system according to claim 7~9, which is characterized in that the activation command is L1 orders, L2 orders or L3
Order.
11. according to the system described in claim 7~9 any one, which is characterized in that the first RRC entities are LTE RRC
Entity or non-LTE RRC entities；The 2nd RRC entities include non-LTE RRC entities or LTE RRC entities.
12. according to the system described in claim 7~9 any one, which is characterized in that the core net includes：LTE cores
Net or non-LTE core network.
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Application publication date: 20180518 |