CN106131921B - The access point selection method of heterogeneous network - Google Patents
The access point selection method of heterogeneous network Download PDFInfo
- Publication number
- CN106131921B CN106131921B CN201610574761.7A CN201610574761A CN106131921B CN 106131921 B CN106131921 B CN 106131921B CN 201610574761 A CN201610574761 A CN 201610574761A CN 106131921 B CN106131921 B CN 106131921B
- Authority
- CN
- China
- Prior art keywords
- network
- access point
- user
- heterogeneous
- selection method
- 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.)
- Expired - Fee Related
Links
Classifications
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/20—Selecting an access point
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/02—Access restriction performed under specific conditions
- H04W48/06—Access restriction performed under specific conditions based on traffic conditions
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/18—Selecting a network or a communication service
Abstract
The invention discloses a kind of access point selection methods suitable for heterogeneous network, heterogeneous network includes first network and the second network, the first network and second network are different wireless networks, user must access a first network access point when accessing network, one the second network access point of access may be selected simultaneously, method is the following steps are included: user is according to itself hardware supported situation and data volume, and the Network status detected decides whether to carry out access point selection；User is attached according to the second network control message from first network and the Network status detected selection access point.The transmittability of first network and the second network can be comprehensively considered using the present invention, improve selection of the user to access point, effectively promotion user experience.
Description
Technical field
The present invention relates to field of communication technology, in particular to a kind of heterogeneous network for considering access point network fusion faculty
Access point selection method.
Background technique
Cordless communication network is developed so far, and is formd with wireless lan (wlan) and Cellular Networks (Cellular
Network) be representative two major classes, wherein WLAN mainly includes the series of IEEE 802.11, and Cellular Networks then include GSM,
GPRS, CDMA, UMTS, LTE, LTE-A etc..The two respectively has superiority and inferiority: WLAN can provide high radio interface rate, and its for terminal
Work is in unlicensed band, deployment and using flexible and at low cost, but its coverage area is relatively small, is usually used in local hot spot and covers
Lid；And Cellular Networks then can provide more guaranteed reliability's service in authorized spectrum band for user, and it supports wide area covering.How will
Cellular network (will hereinafter be described by taking LTE as an example) and WLAN carry out effective integration, to be to use using two kinds of Internet resources
Family provides more efficient and convenient service, is one of current focus of attention of industry.
Under the framework of LTE and WLAN combination network (LTE-WLAN Aggregation, referred to as LWA), a certain business
The data of type can be transmitted simultaneously by LTE and WLAN both links.Under the framework of LWA, LTE and WLAN are tight couplings
The fusion of conjunction, data distribution anchor point are the base stations eNB(of LTE).For example, being passed through by the data that WLAN is transmitted by the eNB of LTE
Interface between LTE-WLAN is transferred to WLAN, then is transmitted by wlan network.
Current network selection technique is concentrated mainly on the selection between the diverse access point of same wireless technology, closes at present
In LTE and wlan network and the research deposited, all assume that there is no cooperation or loose couplings, i.e. data between LTE and WLAN
Shunt the core net that anchor point is located at LTE.
Summary of the invention
It is right in the prior art for making up the purpose of the present invention is to provide a kind of access point selection method of heterogeneous network
The ignorance of LTE and WLAN combination network scene.
Realize the technical solution of the object of the invention are as follows: a kind of access point selection method of heterogeneous network, heterogeneous network include
First network and the second network, first network and second network are different wireless networks, and user must when accessing network
A first network access point must be accessed, while one the second network access point of access may be selected.Access point selection method includes
Following steps: S1, user detect the first network and the second network current network state information；S2, user is according to institute
Network state information and the hardware supported situation of itself are stated, decides whether to carry out access point selection, if it has, then executing step
Otherwise rapid S3 executes step S1；S3, user broadcasted according to the network state information and first network access point second
Network list determines the access point to be connected；S4, user and above-mentioned access point establish connection.
The network state information includes: signal strength, network load, network delay, network throughput and rate.
Second network list of the first network access point broadcast, including the first network access point can be with tight coupling
Conjunction mode carries out the second network access point of the network integration.
The heterogeneous network is LTE and WLAN combination network, and the first network is cellular network, and second network is
WLAN。
In the step S2, if user does not establish connection with any network, directly execution step S3；If user does not open
Network integration mode, examines whether each first network access point network state is better than former network state, if being better than, thens follow the steps
Otherwise S3 returns to step S1；If user has been in network connection state, the comprehensive of each first network access point is calculated
Can, compare the comprehensive performance whether comprehensive performance being calculated is better than former connection network, if so, thening follow the steps S3, otherwise
Return to step S1.
The S3 includes: S31, and user calculates the comprehensive performance of each first network access point；S32 connects first network
Access point is ranked up according to above-mentioned calculated result.
The S4 includes: S41, and user and the first network access point establish connection；S42, the first network access
Point provides candidate second network insertion point list to the user；S43, user attempt the second net of access according to the tab sequential
Network access point.
Weighted sum mode, i.e. first network weight * first network state+the second can be used in the calculating of the comprehensive performance
Network weight * first network broadcast the second network state, can also use deviant mode, i.e., first network comprehensive performance=。
Compared with prior art, the present invention its remarkable advantage are as follows: the present invention considers in the tightly coupled feelings of different networks
Under condition, family is able to use when selecting network in view of the ability of the network integration, improve data transfer rate and user experience.
Detailed description of the invention
Fig. 1 is heterogeneous network scene figure of the invention.
Fig. 2 is heterogeneous network transmission structure chart of the invention.
Fig. 3 is that the access point of heterogeneous network of the invention selects flow chart.
Fig. 4 is flow chart of the present invention in the framework of LTE and WLAN combination network.
Specific embodiment
Illustrate embodiments of the present invention below by way of specific specific example,
Usually said heterogeneous network can refer to Hierarchical Network (being made of macrocellular and cellulor) and more systems in cellular network
The heterogeneous wireless network that formula coexists.The present invention is suitable for above two heterogeneous network, can be realized minizone or different systems more
Reliable access point is added to select.It is total there are microcell base station, WLAN AP and with cellular base station in cellular macro base station range
The AP of site.User can access two networks by two transmission links.The mode that user establishes two transmission links can be with
Double-strand based on current R12 version connect the frameworks such as (Dual Connectivity, DC) or LTE-WLAN Aggregation or
Technology.Two links can be respectively the macro base station and micro-base station of wlan network and cellular network or cellular network.
For the convenience of description, the macrocellular as data anchor point is known as first network here, by controlled network microcellulor
Or wlan network is known as the second network.First network wide coverage, has accessed a large amount of user, often loads higher, causes
Network congestion or user experience are poor；Second network coverage is small, and accessing user is few.The situation of different network access points is past
It is very big toward difference, such as signal-to-noise ratio, network load etc., particularly, traditional first network access point do not support with the second network into
Row close coupling.Access point selection method proposed by the invention preferentially selects concrete mode are as follows: user detects the first network
With the second network current network state information；User is according to the network state information and the hardware supported feelings of itself
Condition decides whether to carry out access point selection；User broadcasted according to the network state information and first network access point the
Two network lists determine the access point to be connected；User and above-mentioned access point establish connection.
The present invention is further illustrated by taking the heterogeneous network that LTE and WLAN coexist as an example below.
Fig. 1-Fig. 4 is please referred to, the present invention provides a kind of access point selection method of heterogeneous network, sets applied to mobile subscriber
Standby access point selection is, it can be achieved that message transmission rate promotion, optimizes user experience.
Fig. 1 is shown as heterogeneous network scene figure of the invention.If deposited between the base station LTE (eNB) 11 and WLAN AP 12
In Xw interface 13, then the base station 11 can establish LWA between AP 12 and connect, and base station 11 can use AP 12 and transmit data.
User equipment 14 can be the equipment for supporting LWA, i.e., connects base station 11 and AP 12 simultaneously, be also possible to not support setting for LWA
It is standby, i.e., it can only connect base station 11.
For the UE for supporting LWA, if selecting base station by the way of traditional, the shape of LTE link can will be only considered
Condition, may make UE can not carry out LWA after accessing LTE network or can only be bad with Network status WLAN AP connect.This hair
The bright network quality for having comprehensively considered the two sides LTE and WLAN.
As shown in Fig. 2, in the framework of LTE and WLAN combination network, cellular network base stations LTE eNB and WLAN node (letter
Referred to as WT) between pass through XW(control plane) interface connection.In one embodiment of the invention, it is wireless to be located at WLAN AP(by WT
Access point) at, can be WLAN AP, access controller (AC) or an independent logic entity, with cellular network base stations it
Between there are communication interface, which can carry out UE data forwarding and Signalling exchange.Use in WLAN service range
Family equipment (referred to as UE) has the ability for receiving service from LTE network and wlan network simultaneously, i.e. UE can safeguard WLAN simultaneously
With the connection (Multi-RAT connection) of Cellular Networks.Under LWA mode, the data of a certain type of service of UE pass through LTE
It is transmitted simultaneously with WLAN both links, as shown in Figure 2, the data packet of UE is punished two paths in eNB and reached, a part
(data packet 1,3,4) is transmitted via LTE link, and another part (data packet 2,5) is transmitted via WLAN link.
Fig. 3 is a kind of flow chart of the access point selection method of heterogeneous network of the invention, and heterogeneous network of the invention is extremely
It less include first network and the second network, the first network and second network are different wireless networks, specific method
Are as follows: S1, user detect the first network and the second network current network state information；S2, user is according to the network
Status information and the hardware supported situation of itself decide whether to carry out access point selection, if it is, S3 is thened follow the steps, it is no
Then, step S1 is executed；S3, user arrange according to the second network that the network state information and first network access point are broadcasted
Table generates candidate wireless network list, determines the access point to be connected；S4, user and above-mentioned access point establish connection.
Fig. 4 is flow chart of the present invention in the framework of LTE and WLAN combination network.LTE base station is represented with eNB, and AP
WLAN access point is represented, this programme needs to be suitable for LWA framework as data described point due to eNB.User detects first
LTE network and wlan network current network state information；Then according to the network state information and itself whether support
LWA decides whether to carry out access point selection, if the current LWA module of user is in close state, will use traditional access point
Selection mode, if user determines to open LWA, the AP list that user should broadcast according to the network state information and eNB is right
The eNB detected calculates its comprehensive performance；If meeting LWA set up the condition after user connect with eNB, LWA is established.LWA's
Establishment process can use the current standard of 3GPP, such as in Release 13, be waited according to the Mobility List(that eNB is provided
Select network list) it is sequentially connected, if connection failure, error reporting is sent to eNB.
In conclusion the present invention effectively overcomes various shortcoming in the prior art and has high industrial utilization value.
Claims (5)
1. a kind of access point selection method of heterogeneous network, it is characterised in that: the heterogeneous network includes first network and second
Network, first network and the second network are different wireless networks, and user must access a first network when accessing network
Access point, while one the second network access point of access may be selected；Described access point selection method the following steps are included:
S1, user detect first network and the second network current network state information；
S2, user decide whether to carry out access point selection according to network state information and the hardware supported situation of itself；
S3, the second network list that user broadcasts according to network state information and first network access point determine that is connected connects
Access point；S31, user calculate the comprehensive performance of each first network access point；S32, to first network access point according to above-mentioned meter
Result is calculated to be ranked up；
S4, user and above-mentioned access point establish connection.
2. the access point selection method of heterogeneous network according to claim 1, it is characterised in that: in the step S2, if
User does not establish connection with any network, directly execution step S3；If the non-opening network fusion mode of user, each first is examined
Whether network access point network state is better than former network state, if being better than, thens follow the steps S3, otherwise returns to step S1；
If user has been in network connection state, including only connect with first network, or connects simultaneously with first network and the second network
It connects, calculates the comprehensive performance of each first network access point, compare whether the comprehensive performance being calculated is better than former connection network
Otherwise comprehensive performance returns to step S1 if so, thening follow the steps S3.
3. the access point selection method of heterogeneous network according to claim 1, it is characterised in that: the step S4 is specifically wrapped
Include following steps:
S41, user and first network access point establish connection；
S42, first network access point provide a user candidate second network insertion point list；
S43, user are sequentially ingressed into the second network access point according to tab sequential.
4. according to claim 1 or the access point selection method of heterogeneous network described in 2, it is characterised in that: the first network
Second network list of access point broadcast can carry out the network integration including the first network access point with close coupled system
Second network access point.
5. the access point selection method of heterogeneous network according to claim 1, it is characterised in that: the heterogeneous network is LTE
With WLAN combination network, first network is cellular network, and the second network is WLAN.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574761.7A CN106131921B (en) | 2016-07-19 | 2016-07-19 | The access point selection method of heterogeneous network |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610574761.7A CN106131921B (en) | 2016-07-19 | 2016-07-19 | The access point selection method of heterogeneous network |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106131921A CN106131921A (en) | 2016-11-16 |
| CN106131921B true CN106131921B (en) | 2019-08-09 |
Family
ID=57290778
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610574761.7A Expired - Fee Related CN106131921B (en) | 2016-07-19 | 2016-07-19 | The access point selection method of heterogeneous network |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106131921B (en) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106899974B (en) * | 2017-03-06 | 2021-01-01 | 北京小米移动软件有限公司 | Method and device for switching access points |
| CN106658617A (en) * | 2017-03-06 | 2017-05-10 | 北京小米移动软件有限公司 | Access point (AP) switching method, device and system |
| CN106658620B (en) * | 2017-03-06 | 2020-09-08 | 北京小米移动软件有限公司 | Method and device for switching access points |
| CN109526042B (en) * | 2019-01-23 | 2021-02-02 | 重庆邮电大学 | Network access point selection method of LWA system based on OWMAD |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103379548B (en) * | 2012-04-28 | 2016-03-30 | 华为技术有限公司 | The method of network shunt and base station |
| CN103391633B (en) * | 2012-05-09 | 2018-08-24 | 中兴通讯股份有限公司 | Method for network access and device |
| US9301211B2 (en) * | 2013-08-20 | 2016-03-29 | Telefonaktiebolaget L M Ericsson (Publ) | Reporting performance and controlling mobility between different radio access technologies |
| CN104936244A (en) * | 2014-03-21 | 2015-09-23 | 中兴通讯股份有限公司 | Method of realizing multi-standard collaborative service shunting network selection and terminal thereof |
| CN105491627A (en) * | 2015-12-10 | 2016-04-13 | 南京理工大学 | Network selection optimization method for heterogeneous network |
| CN105636132A (en) * | 2015-12-30 | 2016-06-01 | 深圳市金立通信设备有限公司 | Configuration method and system of wireless access point, base station, and user terminal |
-
2016
- 2016-07-19 CN CN201610574761.7A patent/CN106131921B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN106131921A (en) | 2016-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105191403B (en) | Coordinate switching in the LTE biconnectivity situation that secondary link is WLAN link | |
| US9860872B2 (en) | In-band control signaling for integrated WLAN/3GPP RAT architectures | |
| CN106465243B (en) | The technology of business polymerization is realized for managing wireless network connection | |
| US8682243B2 (en) | Network selection device and method for selecting a communication network | |
| TWI520636B (en) | Inter-system call switching between co-existence wireless systems | |
| US10117151B2 (en) | Method and device for processing information interaction, offloading processing method and device, base station, RNC and UE | |
| JP5981172B2 (en) | Wireless communication system, communication method, base station apparatus, and communication terminal | |
| CN105122929A (en) | UE initiated scell connection establishment | |
| US9820324B2 (en) | Network control of terminals with respect to multiple radio access networks | |
| CN103974355B (en) | A kind of method and device of network switching | |
| CN104769994A (en) | Method by which terminal for supporting multiple radio access technologies recovers when radio link failure has occurred and device for same | |
| CN105191404A (en) | Routing modification based on handover detection | |
| CN106131921B (en) | The access point selection method of heterogeneous network | |
| JP2012075158A5 (en) | ||
| WO2013113202A1 (en) | Information processing method and base station for network switching of ue | |
| US20180213584A1 (en) | Data transmission method, device and system, and computer storage medium | |
| WO2016197557A1 (en) | Access method for user equipment in multiple radio access technologies, and user equipment | |
| CN108282798A (en) | Communication means and the network equipment | |
| CN107006014A (en) | With with user plane decouple and control plane multi-band cellular network | |
| CN105873115B (en) | Network resource adjustment method and terminal between access technology networks | |
| US20140349650A1 (en) | Temporarily Serving a User Equipment by a Second Cell | |
| WO2016119441A1 (en) | Service migration method and apparatus | |
| EP2741562B1 (en) | Apparatuses, methods, and computer programs for a network node and a mobile transceiver | |
| CN104427487A (en) | Method and equipment for detecting user equipment approaching situation | |
| CN105992299A (en) | D2D communication relay node selection method |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190809 Termination date: 20210719 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |