CN109451500A - A kind of radio roaming optimization method - Google Patents
A kind of radio roaming optimization method Download PDFInfo
- Publication number
- CN109451500A CN109451500A CN201811506288.4A CN201811506288A CN109451500A CN 109451500 A CN109451500 A CN 109451500A CN 201811506288 A CN201811506288 A CN 201811506288A CN 109451500 A CN109451500 A CN 109451500A
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- China
- Prior art keywords
- user
- equipment
- optimization method
- radio roaming
- signal
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W12/00—Security arrangements; Authentication; Protecting privacy or anonymity
- H04W12/06—Authentication
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/021—Services related to particular areas, e.g. point of interest [POI] services, venue services or geofences
-
- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W4/00—Services specially adapted for wireless communication networks; Facilities therefor
- H04W4/02—Services making use of location information
- H04W4/029—Location-based management or tracking services
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- Engineering & Computer Science (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Computer Security & Cryptography (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a kind of radio roaming optimization methods, are related to radio roaming technology field.When user is connected to AP equipment, certificate server authenticates user, and the authentication information of user is stored in local；AC equipment obtains the real-time position information of user, and predicts that user's next location range, AC equipment have the authentication information that the neighbouring AP equipment intersected issues corresponding user with the position range to signal cover according to the real-time position information；User is moved in the signal cover of neighbouring AP equipment, and user is connected directly to this adjacent to AP equipment.The present invention realizes seamless roaming in the signal cover of AP equipment.
Description
Technical field
The present invention relates to radio roaming technology field more particularly to a kind of radio roaming optimization methods.
Background technique
WLAN application is more extensive, AC-AP arrange net mode application range it is also increasingly wider, in school, market,
It gradually popularizes and comes in the occasions such as square and many enterprises.Because the signal cover of every AP is limited, this results in one
Large network environment there must be multiple AP, to reach comprehensive covering of signal, and the micro unit of AP have mutually it is a certain range of
When coincidence, wireless user can move in entire WLAN coverage, and the switching of signal inevitably occurs for user at this time,
Wireless network card can find signal strength maximum AP nearby automatically, and be connected to new AP, by this new AP come sending and receiving data, because
This radio roaming technology comes into being.
Fig. 1 is please referred to, existing roam procedure is as follows: (1) user searches AP1 signal, connection request is sent to AP1,
AP1 responds；User sends message identifying request access to AP1 equipment herein, and AP1 responds authentication response message, interacted
At establishing connection.(2) when user moves forward, it is gradually big to perceive AP2 signal strength, AP1 signal strength diminuendo, when signal is strong
Degree difference is when reaching certain restrictions, and terminal user starts to initiate the connection to AP2 and certification request, and after certification, terminal is used
Family is successfully established with AP2 and connect, and is connected into network.
During existing radio roaming, the signal of terminal user's connection is switched to AP2 from AP1, and user believes currently
Connection request is sent to AP2 in the case where number diminuendo, and the authentification of message of the interaction of message and user require time completion, no
Postpone avoidablely；If network environment fluctuates, it also will cause disconnecting or request the result of connection failure.
Under requirement of the user for online also higher and higher environment, if user occurs to block or be postponed in switching signal,
Application so sensitive for section retards will necessarily be affected, so that switching efficiency is reduced, user experience also big discounting
Button.
Summary of the invention
Based on this, being covered the purpose of the present invention is to provide a kind of radio roaming optimization method in the signal of AP equipment
Seamless roaming is realized in range.
To achieve the above object, the invention provides the following technical scheme:
A kind of radio roaming optimization method, which is characterized in that when user is connected to AP equipment, certificate server is to user
It is authenticated, and the authentication information of user is stored in local；AC equipment obtains the real-time position information of user, and according to described
Real-time position information predicts user, and next location range, AC equipment deposit signal cover and the position range
The authentication information of corresponding user is issued in the neighbouring AP equipment of intersection；User is moved to the signal cover of neighbouring AP equipment
Interior, user is connected directly to this adjacent to AP equipment.
The real-time position information is the set every the time t user location obtained.
Further, the determination method of the position range is as follows: position and current use before Connection Time T where user
Position where family, and using its extended line as center line, it is described that fan-shaped region is made for vertex in the position where active user
Position range.
Further, the time T is the integral multiple of time t.
Further, the central angle of the fan-shaped region is 90 degree.
Further, the radius of the fan-shaped region is 20 meters.
Further, when user is in the intersecting ranges of the signal cover of two AP equipment, compare this two
The signal strength or weakness of AP equipment, and it is connected to the stronger AP equipment of signal.
Compared with prior art, the beneficial effects of the present invention are: the present invention speculates it by the real time position of terminal user
Next position range, and there is the AP equipment of intersection to issue recognizing for the user in advance signal cover and the position range
Demonstrate,prove information, in order to user switch AP equipment when remove user authentication from the step of, avoid network interruption, realize seamless
Roaming.
Detailed description of the invention
Fig. 1 is existing radio roaming process schematic.
Fig. 2 is user's path prediction schematic diagram of the invention.
Specific embodiment
The following is a clear and complete description of the technical scheme in the embodiments of the invention, it is clear that described embodiment
Only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, the common skill in this field
Art personnel every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
The present invention provides a kind of radio roaming optimization method, and content is as follows: when user is connected to AP equipment, certification clothes
Business device authenticates user, and the authentication information of user is stored in local.During user connects AP, AC equipment is obtained
The real-time position information at family is taken, the real-time position information is the set every the time t user location obtained；Then AC is set
It is standby that user's the location of next range is predicted according to the real-time position information, AC equipment to signal cover with it is described
The neighbouring AP equipment that position range has intersection issues the authentication information of corresponding user.User is moved to the signal of neighbouring AP equipment
In coverage area, user is connected directly to this adjacent to AP equipment.It is noted that when user is in the signal of two AP equipment
When in the intersecting ranges of coverage area, compare the signal strength or weakness of the two AP equipment, and is connected to the stronger AP equipment of signal.
The judgement of position range directly affects the accuracy to authentication information issuing.In this present embodiment, the position
Method of determining range is as follows: the position where position and active user before Connection Time T where user, and with its extended line
For center line, it as fan-shaped region is the position range that the position where active user, which is vertex,.The time T is time t
Integral multiple, preferably t=2s, T=8s.
Further, the central angle of the fan-shaped region is 90 degree.
Further, the radius of the fan-shaped region is 20 meters.
In order to which those skilled in the art can be best understood from technical solution of the present invention, further specifically below in conjunction with attached drawing
It is bright, as shown in Figure 2:
The signal cover of five AP equipment (AP1, AP2, AP3, AP4 and AP5) is all circle, and two adjacent AP are set
There is the range of intersection between each other in standby (such as AP1 and AP2, AP1 and AP3).Point A, B, C, D, E, F are that AC equipment is obtained every 2s
User's real time position, when user is in E point, AC equipment connects the position and the preceding position user 8s (i.e. point A)
Line, and extended (i.e. dotted line in figure) at point E.Using point E as vertex, making a central angle by center line of extended line is 90
Degree, the fan-shaped region that radius (EG and EH) is 20 meters, the fan-shaped region are the following location model of user of AC prediction
It encloses.The position range is compared with the signal cover that AP1 equipment closes on other AP equipment, such as AP2 and AP3 points in figure
Do not intersect with fan-shaped region, then AP by the authentication information issuing for the user being locally stored into AP2 and AP3, in the case where user connects
Come the step of when entering AP2 or AP3, user authentication can be removed from, it is directly connected to the wireless signal of the AP, is avoided because repeating to recognize
Demonstrate,prove bring network interruption.
When user is in point F, because its be in AP1 and AP2 signal cover intersection shaded area in, compare this two
The signal strength or weakness of a AP equipment, and it is connected to the stronger AP equipment of signal, guarantee the selection of more excellent signal.Additionally there are three
The case where AP device signal coverage area intersects, principle is identical.
After each roaming, the user authentication information that AP equipment saves before deletion is saved the presentation resource of equipment, is mentioned
Rise the performance of AP equipment.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
Claims (7)
1. a kind of radio roaming optimization method, which is characterized in that when user is connected to AP equipment, certificate server to user into
Row certification, and the authentication information of user is stored in local；AC equipment obtains the real-time position information of user, and according to the reality
When location information prediction user the location of next there is signal cover and the position range in range, AC equipment
The neighbouring AP equipment of intersection issues the authentication information of corresponding user；User is moved in the signal cover of neighbouring AP equipment,
User is connected directly to this adjacent to AP equipment.
2. radio roaming optimization method according to claim 1, which is characterized in that the real-time position information be every when
Between t obtain user location set.
3. radio roaming optimization method according to claim 2, which is characterized in that the determination method of the position range is such as
Under: the position where position and active user before Connection Time T where user, and using its extended line as center line, it is current to use
It as fan-shaped region is the position range that position where family, which is vertex,.
4. radio roaming optimization method according to claim 3, which is characterized in that the time T is the integer of time t
Times.
5. radio roaming optimization method according to claim 3, which is characterized in that the central angle of the fan-shaped region is 90
Degree.
6. radio roaming optimization method according to claim 3, which is characterized in that the radius of the fan-shaped region is 20
Rice.
7. radio roaming optimization method according to claim 1, which is characterized in that when user is in the letter of two AP equipment
When in the intersecting ranges of number coverage area, compare the signal strength or weakness of the two AP equipment, and be connected to the stronger AP equipment of signal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201811506288.4A CN109451500A (en) | 2018-12-10 | 2018-12-10 | A kind of radio roaming optimization method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811506288.4A CN109451500A (en) | 2018-12-10 | 2018-12-10 | A kind of radio roaming optimization method |
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| CN109451500A true CN109451500A (en) | 2019-03-08 |
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| CN201811506288.4A Pending CN109451500A (en) | 2018-12-10 | 2018-12-10 | A kind of radio roaming optimization method |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113473443A (en) * | 2021-08-20 | 2021-10-01 | 广东九联科技股份有限公司 | Wireless roaming method and system based on indoor positioning technology |
| CN115348574A (en) * | 2022-10-18 | 2022-11-15 | 浙江大华技术股份有限公司 | Roaming method of wireless terminal, electronic device, and storage medium |
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| CN101300877A (en) * | 2005-08-31 | 2008-11-05 | 讯宝科技公司 | System and method for optimizing a wireless connection between wireless devices |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113473443A (en) * | 2021-08-20 | 2021-10-01 | 广东九联科技股份有限公司 | Wireless roaming method and system based on indoor positioning technology |
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| CN115348574A (en) * | 2022-10-18 | 2022-11-15 | 浙江大华技术股份有限公司 | Roaming method of wireless terminal, electronic device, and storage medium |
| CN115348574B (en) * | 2022-10-18 | 2023-02-10 | 浙江大华技术股份有限公司 | Roaming method of wireless terminal, electronic device, and storage medium |
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Application publication date: 20190308 |
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