CN108770025A - Heterogeneous wireless network switching method based on RAN slices - Google Patents
Heterogeneous wireless network switching method based on RAN slices Download PDFInfo
- Publication number
- CN108770025A CN108770025A CN201810550779.2A CN201810550779A CN108770025A CN 108770025 A CN108770025 A CN 108770025A CN 201810550779 A CN201810550779 A CN 201810550779A CN 108770025 A CN108770025 A CN 108770025A
- Authority
- CN
- China
- Prior art keywords
- wireless network
- network
- user
- wireless
- master controller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/0005—Control or signalling for completing the hand-off
- H04W36/0055—Transmission or use of information for re-establishing the radio link
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W36/00—Hand-off or reselection arrangements
- H04W36/14—Reselecting a network or an air interface
Abstract
A kind of heterogeneous wireless network switching method based on RAN slices overcomes and ignores the problem of user customizes service and customizes service disruption in prior art handoff procedure, realizes that step is：(1) optimal objective wireless network is chosen；(2) judge that the RAN in the network with the presence or absence of user demand is sliced, if so, thening follow the steps (6), otherwise, execute step (3)；(3) request of structure RAN slices is sent；(4) the RAN slices of structure user demand；(5) switching request is sent；(6) connection of wireless network and user is discharged；(7) optimal objective wireless network and the connection of user are established；(8) the RAN slices of scheduling user demand.The present invention is sliced using optimal objective wireless network scheduling RAN during designing heterogeneous wireless network switching, improves user and customize service experience and network reliability.
Description
Technical field
The invention belongs to field of communication technology, further relates to one kind in wireless communication technology field and be based on wirelessly connecing
The heterogeneous wireless network switching method of networking RAN (Radio Access Network) slices.The present invention can be used for wirelessly communicating
To ensure that optimal objective wireless network scheduling wireless access network RAN slices, user are enjoyed the service of customization and customized in system
The heterogeneous network of service continuity switches.
Background technology
Heterogeneous wireless network refers to that overlapped different types of wireless access system is intelligently combined together, a variety of
Different types of network provides wireless access anywhere or anytime to the user jointly.Heterogeneous network switching refers to by network state and knot
Structure is a kind of handoff procedure of network state, can better meet as user to the transformation of another network state and structure
The demand of service is provided.
In the patent document of its application, " Vertical Handover adjudicates control method between a kind of heterogeneous wireless network for State Grid Corporation of China
And system " (the applying date：On August 9th, 2013, application number：2013103474024, application publication number：CN103533577A public in)
Vertical Handover judgement control method between a kind of heterogeneous wireless network is opened.This method the specific steps are：The first step, user with work as
When the connection of preceding network is unsatisfactory for the business need of the user, user meets the institute of the business need of user into scan list
There is the base station of heterogeneous network to send out switching request.Second step, all base stations for receiving switching request pass through respective wireless biography
Switching request is transmitted to Vertical Handover controller by sensor.Third walks, and wireless sensor acquires and stores each base station in real time
Channel resource allocation service condition information, Vertical Handover controller send out each base to be selected of switching request according to mobile client
The historical channel resource allocation service condition stood calculates the blocking probability of each base station to be selected, by mobile client seamless switching
It is connected to the base station of blocking probability minimum.Shortcoming existing for this method has at 3 points：First, Vertical Handover judging process determines
The selection of network is triggered in due course.Related predetermined information user application demand, user terminal performance etc., all rely on complexity
Computational complexity content and parameter signalling expense.Increase Vertical Handover decision system complexity, channel resource expense is big.The
Two, mobile client is when switching over connection, it is desirable that accomplishes the seamless switching connection between heterogeneous network, is wanted to system performance
It asks high, is not easy to realize, to the discontinuity serviced occur, customization service can not be provided to the user, reduce user's clothes
Business quality.
Invention content
It is an object of the invention in view of the above-mentioned drawbacks of the prior art, proposing a kind of based on wireless access network
The heterogeneous wireless network switching method of RAN slices, the heterogeneous wireless network switching method are thin by the internetwork switching of conventional heterogeneous
The switching that RAN slices are sliced to RAN in optimal objective wireless network in the wireless network before switching is turned to, to ensure that user enjoys
The continuity for customizing service and service, is respectively increased the reliability of QoS of customer and network.
Realizing the thinking of above-mentioned purpose is, master controller builds wireless access network RAN according to user demand and is sliced, optimal
Target radio network is scheduled the wireless access network RAN slices of user demand.In scheduling process, the wireless access before switching
When net RAN slices cannot meet user demand, master controller builds a wireless access network RAN that can meet user demand and cuts
Piece, then, user are switched to optimal objective wireless network from the wireless network before switching, and optimal objective wireless network is according to user
Demand is scheduled wireless access network RAN slices；When the wireless access network RAN slices of optimal objective wireless network can meet use
When the demand of family, user is directly switched to optimal objective wireless network, optimal objective wireless network root from the wireless network before switching
Wireless access network RAN slices are scheduled according to user demand.
The technical solution that the present invention takes includes the following steps：
(1) optimal objective wireless network is chosen：
(1a) utilizes periodical information exchange method, master controller to carry out information exchange with local controller, use information
Use before the available resources of each network are interacted with status information real-time update in user demand, heterogeneous wireless network after interaction
The available resources and status information of each network in family demand, heterogeneous wireless network；
(1b) uses the network based on the judgement of more attributes in master controller to select Access Algorithm, by the user after interaction
The available resources and status information of demand and each network in heterogeneous wireless network, as the network selection adjudicated based on more attributes
The input parameter of Access Algorithm selects the optimal objective wireless network for meeting user demand in heterogeneous wireless network；
Master controller judges the wireless access network RAN slices with the presence or absence of user demand in optimal objective wireless network,
If so, thening follow the steps (6), otherwise, step (3) is executed；
(3) request of structure wireless access network RAN slices is sent：
Master controller will build the request of the wireless access network RAN slices of user demand, and it is wireless to be sent to optimal objective
The local controller of network；
(4) the wireless access network RAN slices of structure user demand：
The local controller of (4a) optimal objective wireless network receives the wireless access network RAN slices of structure user demand
Request after, according to it is wireless included in request, calculate, storage resource parameter, build the wireless access network RAN of user demand
Slice；
The local controller of (4b) optimal objective wireless network cuts the wireless access network RAN of the user demand built
The information of piece feeds back to master controller；
(5) switching request is sent：
Master controller asks switching by after the feedback information of the wireless access network RAN slices of the user demand received
Ask the wireless network before the switching being sent respectively in heterogeneous wireless network and optimal objective wireless network；
(6) connection of wireless network and user is discharged：
After the wireless network before switching in heterogeneous wireless network receives switching request, the connection of release and user will be cut
It changes completion information and feeds back to master controller.
(7) optimal objective wireless network and the connection of user are established：
After optimal objective wireless network receives switching request, the connection with user is established, the information that switching is completed is fed back
To master controller.
(8) the wireless access network RAN slices of scheduling user demand：
(8a) master controller receives the feedback of the feedback information and optimal objective wireless network of the wireless network before switching
After information, the wireless access network RAN for the dispatching user demand information being sliced is sent to optimal objective wireless network by master controller
Network；
After (8b) optimal objective wireless network receives scheduling information, to the wireless access network RAN of user demand be sliced into
Row scheduling, provides service to the user.
Compared with the prior art, the present invention has the following advantages：
First, the present invention builds wireless access network RAN slice using master controller according to user demand, optimal objective without
Gauze network is sliced the method being scheduled to the wireless access network RAN of user demand, overcomes in prior art handoff procedure and neglects
Slightly user customizes the problem of service so that the present invention greatly ensures the service quality of customer service in handoff procedure, improves
User customizes service experience.
Second, the present invention builds wireless access network RAN slice using master controller according to user demand, optimal objective without
Gauze network is sliced the method being scheduled to the wireless access network RAN of user demand, and it is fixed in prior art handoff procedure to overcome
The problem of inhibition and generation service disruption so that the present invention greatly ensures to customize the continuity of service in handoff procedure, improves net
The reliability of network.
Description of the drawings：
Fig. 1 is the flow chart of the present invention；
Fig. 2 is the present invention in the scene graph for carrying out heterogeneous wireless network switching.
Specific implementation mode：
The present invention will be further described below in conjunction with the accompanying drawings.
Referring to Fig.1, the realization step of the present invention is further described.
Step 1, optimal objective wireless network is chosen.
Using periodical information exchange method, master controller respectively with long term evolution LTE controllers and WLAN
WLAN controllers carry out information exchange, with after information exchange user demand, in heterogeneous wireless network each network available money
Source interacted with status information real-time update before user demand, the available resources of each network and state letter in heterogeneous wireless network
Breath.
The periodical information exchange method is as follows：
1st step, long term evolution LTE controllers and WLAN WLAN controllers are sent to by synchronizing sequence number packet
After master controller, long term evolution LTE controllers and WLAN WLAN controllers pass through state transition respectively, by monitoring shape
State is stored as transmission state；
2nd step, the packet header of the synchronizing sequence number packet and received synchronizing sequence number packet of Correlation Centre controller
Synchronizing signal it is whether consistent, if so, execute the 4th step, otherwise, execute third step；
3rd step, the feedback information that master controller is received synchronizing sequence number packet are sent respectively to long term evolution
LTE controllers and WLAN WLAN controllers, to long term evolution LTE controllers and WLAN WLAN controller applications
Retransmit synchronizing sequence number packet；
One synchronizing sequence number packet and its are received the anti-of synchronizing sequence number packet by the 4th step, master controller simultaneously
Feedforward information send respectively to long term evolution LTE controllers and WLAN WLAN controllers after, master controller pass through state
Migration, reception state is stored as by listening state；
5th step, long term evolution LTE controllers and WLAN WLAN controllers all receive master controller while sending out
After the synchronizing sequence number packet and master controller feedback information that come, long term evolution LTE controllers and WLAN WLAN controls
Device processed is received the feedback information of master controller, is sent to master controller；
6th step, master controller is received long term evolution LTE controllers and WLAN WLAN controllers are sent
Feedback information establish master controller after being sent respectively to long term evolution LTE controllers and WLAN WLAN controllers
And long term evolution LTE controllers and master controller and WLAN WLAN controllers data transmission between controller two-by-two
It connects, information exchange when carrying out data transmission between two controllers of realization.
Access Algorithm is selected using the network based on the judgement of more attributes in master controller, by the user demand after interaction
With the available resources and status information of each network in heterogeneous wireless network, access is selected as the network adjudicated based on more attributes
The input parameter of algorithm selects the optimal objective wireless network for meeting user demand in heterogeneous wireless network.
The network selection Access Algorithm based on the judgement of more attributes is as follows：
1st step, master controller choose the received signal strength of each wireless network in heterogeneous wireless network, can use band
Wide, the bit error rate the heterogeneous wireless network status attribute determines selected each wireless communication status attribute using analytic hierarchy process (AHP)
Weighted value；
2nd step, according to following user satisfaction formula, each wireless network is for user's in calculating heterogeneous wireless network
Satisfaction；
Wherein, UnIndicate that for n-th of wireless network for the satisfaction of user, T expression isomeries are wireless in heterogeneous wireless network
The sum of network state attribute, ∑ indicate that sum operation, t indicate the serial number of heterogeneous wireless network status attribute, ωtIndicate isomery
The weighted value of t-th of wireless communication status attribute, d in wireless networkntIndicate the of n-th wireless network in heterogeneous wireless network
The parameter value of t network state attribute,Indicate that the symbol of selection arbitrary element, n indicate wireless network in heterogeneous wireless network
Serial number, ∈ expressions belong to symbol, and N indicates the sum of wireless network in heterogeneous wireless network.
3rd step, choosing in heterogeneous wireless network makes a wireless network with the greatest satisfiction by user, as meeting user's need
The optimal objective wireless network asked.
Step 2, master controller judges to whether there is the wireless access network RAN of user demand in optimal objective wireless network
Otherwise slice, executes step 3 if so, thening follow the steps 6.
The wireless access network RAN slices of the user demand refer to, in wireless, calculating, the three equal energy of aspect of storage resource
Meet the wireless access network RAN slices of user rate and QoS requirement.
Step 3, the request of structure wireless access network RAN slices is sent.
Master controller will build the request of the wireless access network RAN slices of user demand, and it is wireless to be sent to optimal objective
The local controller of network.
Step 4, the wireless access network RAN slices of user demand are built.
The local controller of optimal objective wireless network receives the nothing of the structure user demand of virtual access point AP forwardings
After the request of line access RAN slices, according to wireless included in request, calculating, storage resource parameter, user demand is built
Wireless access network RAN slice.
The WLAN WLAN controllers of optimal objective wireless network, by the wireless access network of the user demand built
The information of RAN slices feeds back to master controller.
Step 5, switching request is sent.
Master controller asks switching by after the feedback information of the wireless access network RAN slices of the user demand received
Ask the wireless network before the switching being sent respectively in heterogeneous wireless network and optimal objective wireless network.
Step 6, the connection of wireless network and user is discharged.
After the wireless network before switching in heterogeneous wireless network receives switching request, by virtual access point AP to user
Switching is completed information and feeds back to center control by forwarding release link information, the connection of wireless network and user before release switching
Device processed.
Step 7, optimal objective wireless network and the connection of user are established.
After optimal objective wireless network receives switching request, is forwarded to user by virtual access point AP and establish connection letter
Breath, establishes optimal objective wireless network and the connection of user, and the information that switching is completed is fed back to master controller.
With reference to Fig. 2, to step 5 of the present invention, step 6, the transmission switching request of step 7, release wireless network and use
Optimal objective wireless network is established in the connection at family and the connection procedure of user is further described.
Master controller asks switching by after the feedback information of the wireless access network RAN slices of the user demand received
The wireless network before the switching being sent respectively in heterogeneous wireless network and optimal objective wireless network are asked, in heterogeneous wireless network
Switching before wireless network receive switching request after, switching is completed information and feeds back to center control by release and the connection of user
Device processed after optimal objective wireless network receives switching request, establishes the connection with user, during the information that switching is completed is fed back to
Heart controller.
Heterogeneous wireless network handoff scenario figure includes master controller, long term evolution LTE controllers, WLAN WLAN
Controller, base station, virtual access point AP, user and cloud graphic, the solid circles under long term evolution LTE controllers, under base station
Arrow between virtual coil, the virtual coil under virtual access point AP, user and user, by long term evolution LTE controllers, base station
With the overstriking dotted line of user and by WLAN WLAN controllers, the overstriking solid line of virtual access point AP and user, wherein：
Master controller judges the existence of user demand wireless access network RAN slices, builds the wireless of user demand and connects
Networking RAN slices, the release by issuing user respectively to long term evolution LTE controllers and WLAN WLAN controllers connect
Meet request and user establishes connection request, so that user is switched to optimal objective wireless network from the wireless network before switching, most
Excellent wireless network is scheduled the wireless access network RAN slices of constructed user demand.
Long term evolution LTE controllers, control base station forward data to user, and anti-to master controller transmission information
Feedback.
Base station, the user demand information for being responsible for the wireless network before switching access are sent to long term evolution LTE controllers,
Long term evolution LTE controllers will be discharged and be sent to user with the connection feedback information of user.
WLAN WLAN controllers, according to customer service ask included in it is wireless, calculate, storage resource parameter
It is required that scheduling can meet the wireless access network RAN slices of user demand, customization service is provided to the user.
Virtual access point AP is responsible for the information for accessing the user demand of optimal objective wireless network being sent to wireless local
WLAN controllers are netted, WLAN WLAN controllers will be established and be sent to user with the connection feedback information of user.
User is the user asked to heterogeneous wireless network application business service.
Cloud graphic indicates heterogeneous wireless network.
Solid circles under long term evolution LTE controllers are the collection of the wireless network and target radio network range before switching
It closes.
Virtual coil under base station is the wireless network set before switching.
Virtual coil under virtual access point AP is optimal objective wireless network.
Arrow between user and user indicates that user is switched to access optimal objective from the wireless network before access switching
Wireless network.
By long term evolution LTE controllers, base station and the overstriking dotted line of user, indicate that user is turned by the data of base station
Hair, the wireless access network RAN slices of wireless network access long term evolution LTE before the handover.
By WLAN WLAN controllers, virtual access point AP and the overstriking solid line of user, indicate that user passes through void
The data forwarding of quasi- access point AP, in the wireless access network RAN slices of optimal objective wireless network access WLAN WLAN.
Wireless network based on the heterogeneous wireless network of wireless access network RAN slice, including before at least one switching and extremely
A few target radio network.Wherein, the soft target radio network of wireless network before switching can correspond to various wireless standards
Network, this example is with presently the most common long term evolution LTE and WLAN wlan network, before switching
Wireless network and optimal objective wireless network, referred to as long term evolution LTE network soft base station and WLAN wlan network are soft
Virtual access point AP, for illustrating handoff procedure of the user by long term evolution LTE network to WLAN wlan network.
Step 8, the wireless access network RAN slices of user demand are dispatched.
Master controller receives the feedback information of the feedback information and optimal objective wireless network of the wireless network before switching
Afterwards, the information for the wireless access network RAN slices for dispatching user demand is sent to optimal objective wireless network by master controller.
After optimal objective wireless network receives scheduling information, the wireless access network RAN slices of user demand are adjusted
Degree, forwards data to user by virtual access point AP, provides service to the user.
Claims (4)
1. a kind of heterogeneous wireless network switching method based on wireless access network RAN slices, which is characterized in that master controller root
According to user demand structure wireless access network RAN slices, wireless access network RAN slice of the optimal objective wireless network to user demand
It is scheduled；The step of this method includes as follows：
(1) optimal objective wireless network is chosen：
(1a) utilizes periodical information exchange method, master controller to carry out information exchange with each local controller, use information
Use before the available resources of each network are interacted with status information real-time update in user demand, heterogeneous wireless network after interaction
The available resources and status information of each network in family demand, heterogeneous wireless network；
(1b) uses the network based on the judgement of more attributes in master controller to select Access Algorithm, by the user demand after interaction
With the available resources and status information of each network in heterogeneous wireless network, access is selected as the network adjudicated based on more attributes
The input parameter of algorithm selects the optimal objective wireless network for meeting user demand in heterogeneous wireless network；
(2) master controller judges the wireless access network RAN slices with the presence or absence of user demand in optimal objective wireless network, if
It is to then follow the steps (6), otherwise, executes step (3)；
(3) request of structure wireless access network RAN slices is sent：
Master controller will build the request of the wireless access network RAN slices of user demand, be sent to optimal objective wireless network
Local controller；
(4) the wireless access network RAN slices of structure user demand：
The local controller of (4a) optimal objective wireless network receives asking for the wireless access network RAN slices of structure user demand
After asking, according to wireless included in request, calculating, storage resource parameter, the wireless access network RAN for building user demand is cut
Piece；
The local controller of (4b) optimal objective wireless network, by the wireless access network RAN slices of the user demand built
Information feeds back to master controller；
(5) switching request is sent：
Master controller divides switching request by after the feedback information of the wireless access network RAN slices of the user demand received
It is not sent to the wireless network before the switching in heterogeneous wireless network and optimal objective wireless network；
(6) connection of wireless network and user is discharged：
After the wireless network before switching in heterogeneous wireless network receives switching request, the connection of release and user will switch
Master controller is fed back at information；
(7) optimal objective wireless network and the connection of user are established：
After optimal objective wireless network receives switching request, the connection with user is established, during the information that switching is completed is fed back to
Heart controller；
(8) the wireless access network RAN slices of scheduling user demand：
(8a) master controller receives the feedback information of the feedback information and optimal objective wireless network of the wireless network before switching
Afterwards, the information for the wireless access network RAN slices for dispatching user demand is sent to optimal objective wireless network by master controller；
After (8b) optimal objective wireless network receives scheduling information, the wireless access network RAN slices of user demand are adjusted
Degree, to provide service needed for user.
2. the heterogeneous wireless network switching method according to claim 1 based on wireless access network RAN slices, feature exist
In the periodical information exchange method described in step (1a) is as follows：
The first step, for local controller after synchronizing sequence number packet is sent to master controller, local controller passes through state
Migration, transmission state is stored as by listening state；
Second step, the synchronizing sequence number packet of Correlation Centre controller and received synchronizing sequence number the same of the packet header of packet
It whether consistent walks signal, if so, executing the 4th step, otherwise, executes third step；
Third walks, and the feedback information that master controller is received synchronizing sequence number packet is sent to local controller, Xiang Ben
Ground controller application retransmits synchronizing sequence number packet；
One synchronizing sequence number packet is received the feedback letter of synchronizing sequence number packet by the 4th step, master controller with it simultaneously
After breath is sent to local controller, master controller passes through state transition, and reception state is stored as by listening state；
5th step, local controller while the synchronizing sequence number packet for receiving master controller are sent anti-with master controller
After feedforward information, local controller is received the feedback information of master controller, is sent to master controller；
6th step, master controller is received the feedback information that local controller is sent, and after being sent to local controller, is built
The connection of data transmission, realizes information exchange when two controllers carry out data transmission between vertical two controllers.
3. the heterogeneous wireless network switching method according to claim 1 based on wireless access network RAN slices, feature exist
In the network selection Access Algorithm based on the judgement of more attributes described in step (1b) is as follows：
The first step, master controller choose the received signal strength of each wireless network, available bandwidth, mistake in heterogeneous wireless network
The heterogeneous wireless network status attribute of code check determines the weight of selected each wireless communication status attribute using analytic hierarchy process (AHP)
Value；
Second step calculates each wireless network expiring for user in heterogeneous wireless network according to following user satisfaction formula
Meaning degree；
Wherein, UnIndicate that n-th of wireless network is for the satisfaction of user, T expression heterogeneous wireless network shapes in heterogeneous wireless network
The sum of state attribute, ∑ indicate that sum operation, t indicate the serial number of heterogeneous wireless network status attribute, ωtIndicate isomery wireless network
The weighted value of t-th of wireless communication status attribute, d in networkntIndicate t-th of net of n-th of wireless network in heterogeneous wireless network
The parameter value of network status attribute,Indicate that the symbol of selection arbitrary element, n indicate the sequence of wireless network in heterogeneous wireless network
Number, ∈ expressions belong to symbol, and N indicates the sum of wireless network in heterogeneous wireless network；
Third walks, and choosing in heterogeneous wireless network makes a wireless network with the greatest satisfiction by user, as meeting user demand
Optimal objective wireless network.
4. the heterogeneous wireless network switching method according to claim 1 based on wireless access network RAN slices, feature exist
In the wireless access network RAN slices of the user demand described in step (2) refer to, in wireless, calculating, storage resource tripartite
Face can meet the wireless access network RAN slices of user rate and QoS requirement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550779.2A CN108770025B (en) | 2018-05-31 | 2018-05-31 | Heterogeneous wireless network switching method based on RAN slice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810550779.2A CN108770025B (en) | 2018-05-31 | 2018-05-31 | Heterogeneous wireless network switching method based on RAN slice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108770025A true CN108770025A (en) | 2018-11-06 |
| CN108770025B CN108770025B (en) | 2020-01-31 |
Family
ID=64001559
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810550779.2A Active CN108770025B (en) | 2018-05-31 | 2018-05-31 | Heterogeneous wireless network switching method based on RAN slice |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108770025B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314997A (en) * | 2020-03-13 | 2020-06-19 | 厦门大学 | Service type-based access network slice selection method and system |
| CN113596912A (en) * | 2021-07-29 | 2021-11-02 | 西安电子科技大学 | Wireless heterogeneous network resource scheduling method based on RAN slice |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140115126A1 (en) * | 2012-10-19 | 2014-04-24 | Electronics And Telecommunications Research Institute | System for controlling and verifying open programmable network and method thereof |
| CN104363159A (en) * | 2014-07-02 | 2015-02-18 | 北京邮电大学 | Virtual open network building system and method based on software definition network |
| CN106961625A (en) * | 2017-03-13 | 2017-07-18 | 华为技术有限公司 | A kind of channel switching method and its device |
| CN107071841A (en) * | 2017-03-02 | 2017-08-18 | 重庆邮电大学 | The vertical handoff method optimized in heterogeneous network based on changeable weight |
| CN107071799A (en) * | 2017-02-16 | 2017-08-18 | 北京小米移动软件有限公司 | Network section collocation method and device, wireless access network RAN node and terminal |
| US20180041905A1 (en) * | 2016-08-05 | 2018-02-08 | Nxgen Partners Ip, Llc | Ultra-broadband virtualized telecom and internet |
-
2018
- 2018-05-31 CN CN201810550779.2A patent/CN108770025B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20140115126A1 (en) * | 2012-10-19 | 2014-04-24 | Electronics And Telecommunications Research Institute | System for controlling and verifying open programmable network and method thereof |
| CN104363159A (en) * | 2014-07-02 | 2015-02-18 | 北京邮电大学 | Virtual open network building system and method based on software definition network |
| US20180041905A1 (en) * | 2016-08-05 | 2018-02-08 | Nxgen Partners Ip, Llc | Ultra-broadband virtualized telecom and internet |
| CN107071799A (en) * | 2017-02-16 | 2017-08-18 | 北京小米移动软件有限公司 | Network section collocation method and device, wireless access network RAN node and terminal |
| CN107071841A (en) * | 2017-03-02 | 2017-08-18 | 重庆邮电大学 | The vertical handoff method optimized in heterogeneous network based on changeable weight |
| CN106961625A (en) * | 2017-03-13 | 2017-07-18 | 华为技术有限公司 | A kind of channel switching method and its device |
Non-Patent Citations (1)
| Title |
|---|
| HUI ZHAO: "Radio access network slicing based on C/U plane separation", 《CHINA COMMUNICATIONS》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111314997A (en) * | 2020-03-13 | 2020-06-19 | 厦门大学 | Service type-based access network slice selection method and system |
| CN111314997B (en) * | 2020-03-13 | 2021-06-22 | 厦门大学 | Service type-based access network slice selection method and system |
| CN113596912A (en) * | 2021-07-29 | 2021-11-02 | 西安电子科技大学 | Wireless heterogeneous network resource scheduling method based on RAN slice |
| CN113596912B (en) * | 2021-07-29 | 2023-07-18 | 西安电子科技大学 | Wireless heterogeneous network resource scheduling method based on RAN (radio Access network) slice |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108770025B (en) | 2020-01-31 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN108668381B (en) | Communication means and device | |
| US11116024B2 (en) | Control mechanism for packet duplication in multi-connectivity communication | |
| CN109982266A (en) | A kind of communication means and Related product | |
| CN109937587A (en) | Buffer Status Report transmission method and its equipment | |
| CN108370530A (en) | Method and system for executing network slice in wireless access network | |
| CN109151940A (en) | A kind of switching method and equipment based on DC | |
| CN103581933B (en) | A kind of method of cell management, system and equipment | |
| CN108633018A (en) | Configuration method, apparatus and system | |
| CN106572435B (en) | The method and apparatus of dispatch terminal equipment | |
| KR20190097983A (en) | Method and apparatus for cell reselection in wireless communication system | |
| US11382169B2 (en) | Methods and apparatuses for transmitting and receiving data in wireless communication system | |
| CN108029158A (en) | System and method for data reporting reception state | |
| CN109392028A (en) | The method and equipment of data transmission | |
| CN109429183A (en) | A kind of selection, method of adjustment, device and the equipment of user's surface model | |
| CN109151925A (en) | Method, the network equipment and terminal device for cell switching | |
| EP3226606B1 (en) | Method for ran-wlan aggregation | |
| CN110115095A (en) | Accidental access method, device and storage medium | |
| CN114788365A (en) | Apparatus and method for service subscription via E2 interface in radio access network communication system | |
| CN108064050A (en) | Collocation method and device | |
| CN112514324A (en) | Dynamic management of application servers on network edge computing devices | |
| CN108770025A (en) | Heterogeneous wireless network switching method based on RAN slices | |
| CN104144456B (en) | A kind of base station switch method and device | |
| CN105493565A (en) | Data transmission method, centralized processing node, gateway and base station | |
| WO2018082141A1 (en) | Communication architecture of and communication method for heterogeneous network | |
| WO2021244490A1 (en) | Link selection method and apparatus, and computer readable storage medium |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |