CN105979572A - Method of selecting network access device and network terminal - Google Patents
Method of selecting network access device and network terminal Download PDFInfo
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- CN105979572A CN105979572A CN201610505167.2A CN201610505167A CN105979572A CN 105979572 A CN105979572 A CN 105979572A CN 201610505167 A CN201610505167 A CN 201610505167A CN 105979572 A CN105979572 A CN 105979572A
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- network access
- access equipment
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- network
- comprehensive evaluation
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- 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
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- 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
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- 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
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- Engineering & Computer Science (AREA)
- Computer Security & Cryptography (AREA)
- Computer Networks & Wireless Communication (AREA)
- Signal Processing (AREA)
- Mobile Radio Communication Systems (AREA)
Abstract
The invention discloses a method of selecting a network access device and a network terminal. A terminal device for implementing the method of selecting the network access device is provided. The method comprises the steps of, after access information of at least one network access device is received, querying a channel use condition to the network access device; after the channel use condition feedback is received, calculating a comprehensive assessment value of the network access device through a preset calculation method, wherein the comprehensive assessment value comprises the channel use condition and signal reception intensity of the network access device; and selecting one network access device for subsequent correlation. By querying the channel use condition of the wireless network access device and regarding the channel use condition and the signal reception intensity of the wireless network access device together as reference factors for selection of the wireless network access device, the embodiment can make the selection of a wireless access point be more accurate and can avoid the problem of unsmooth network connection in subsequent use process caused by overload of the channel of the wireless network access device.
Description
Technical field
The present invention relates to networking technology area, particularly relate to a kind of method selecting network access equipment
And the network terminal.
Background technology
Before all there occurs along with the approach of developing rapidly of network technology, Information Communication and acquisition of information
Not some changes, make human society march toward the letter with network technology, digitizing technique as core
The breath epoch.The most extensive application of radio network technique, because of its motility, expansible,
The advantage such as removable, has abolished the obstacle that real time information obtains, the most further to the life of people
Live and bring huge facility.Along with reaching its maturity of radio network technique, the speed being wirelessly transferred
Increasingly faster, the user of wireless network also gets more and more.
Existing wireless terminal, when selecting WAP to access, mainly connects according to wireless
The signal intensity of access point place channel selects.This method is simply direct, but the most fully examines
Consider the actually used situation to network, it is possible that it is the most smooth to cause network to connect.Such as, although institute
The WAP signal intensity selected is very big, but when channel loading is the biggest simultaneously, wireless terminal
May and WAP between keep unimpeded data communication, thus give the nothing of terminal use
Line online brings inconvenience.
Summary of the invention
The embodiment of the present invention is to be solved be technical problem is that WAP is chosen and improper causes net
Network connects the most smooth.
In order to solve the problems referred to above, embodiments provide a kind of network access equipment that selects
Method, it is provided that one implements the terminal unit of the method for described selection network access equipment, described method
Including: when after the access information receiving at least one network access equipment, to network access equipment
Queried channel service condition；After receiving channel usage feedback, by default computational methods
Calculate the comprehensive evaluation of network access equipment；Described comprehensive evaluation includes network access equipment
Channel usage and signal receiving strength；A network access equipment is selected to carry out subsequent association.
Optionally, in the above-mentioned method selecting network access equipment, described channel usage
Load for present channel；Described default computational methods are: I(Idle_Percentage)=1-C(Channel_load)；
Score=A*R(RSSI)+B*I(Idle_Percentage)；Wherein, I(Idle_Percentage)For channel idle
Rate, C(Channel_load)For channel loading, Score is described comprehensive evaluation, R(RSSI)For described
Signal receiving strength, A, B are respectively described signal receiving strength and the weight of described channel idle rate
Value, and A ＞ 0, B ＞ 0.
Optionally, described selection one network access equipment carries out subsequent association and includes: show each network
The each self-corresponding SSID of access device and comprehensive evaluation；Selection instruction according to user selects corresponding
Network access equipment carry out subsequent association.
Optionally, described selection one network access equipment carries out subsequent association and includes: select described combining
The network access equipment closing assessed value the highest carries out subsequent association.
Optionally, equal and set for the network insertion of peak when there is at least two comprehensive evaluation
Time standby, the network access equipment selecting signal receiving strength the strongest carries out subsequent association.
In order to solve the problems referred to above, the embodiment of the present invention additionally provides a kind of network terminal, including:
Request unit, for when after the access information receiving at least one network access equipment, to network
Access device sends channel and uses information inquiring request；Computing unit, makes for receiving channel
After feeding back by information, calculated the comprehensive evaluation of network access equipment letter by default computational methods；
Described comprehensive evaluation includes that the channel of network access equipment uses information and signal receiving strength to close
Receipts or other documents in duplicate unit, for selecting a network access equipment to carry out subsequent association.
Optionally, in the described network terminal, described channel usage is present channel load；Institute
Stating default computational methods is: I(Idle_Percentage)=1-C(Channel_load)；Score=A*R(RSSI)+B
*I(Idle_Percentage)；Wherein, I(Idle_Percentage)For channel idle rate, C(Channel_load)For channel
Load, Score is described comprehensive evaluation, R(RSSI)For described signal receiving strength, A, B divide
Not Wei described signal receiving strength and the weighted value of described channel idle rate, and A ＞ 0, B ＞ 0.
Optionally, described associative cell includes: display module, is used for showing each network access equipment
Each self-corresponding SSID and comprehensive evaluation；First processing module, for referring to according to the selection of user
Order selects corresponding network access equipment to carry out subsequent association.
Optionally, described associative cell includes: the second processing module, is used for selecting described comprehensively commenting
The network access equipment that definite value is the highest carries out subsequent association.
Optionally, described second processing module for when exist at least two comprehensive evaluation equal and
During for the network access equipment of peak, the network access equipment selecting signal receiving strength the strongest enters
Row subsequent association.
Compared with prior art, technical scheme has the advantage that
By the channel usage of polling of radio network access device, and described wireless network is connect
The channel usage and the signal receiving strength that enter equipment set collectively as choosing wireless network access
Reference factor time standby, can make choosing of WAP the most accurate, it is to avoid due to wireless network
Network access device channel loading is excessive cause follow-up use during network connect the most smooth problem.
Accompanying drawing explanation
Fig. 1 is the flow chart of a kind of method selecting network access equipment in the embodiment of the present invention；
Fig. 2 is interaction between a kind of STA and wireless network access device in the embodiment of the present invention
Schematic diagram；
Fig. 3 is a kind of network terminal structural representation in the embodiment of the present invention.
Detailed description of the invention
Existing wireless terminal, when selecting WAP to access, mainly connects according to wireless
The signal intensity of access point place channel selects.This method is simply direct, but the most fully examines
Consider the actually used situation to network, it is possible that it is the most smooth to cause network to connect.Such as, although institute
The WAP signal intensity selected is very big, but when channel loading is the biggest simultaneously, wireless terminal
May and WAP between keep unimpeded communication, thus give terminal use wireless on
Net brings inconvenience.
For technical problem present in above-mentioned prior art, the embodiment of the present invention is wireless by inquiry
The channel usage of network access equipment, and the channel of described wireless network access device is used
Situation and signal receiving strength, can collectively as reference factor when choosing wireless network access device
So that choosing of WAP is the most accurate, it is to avoid due to wireless network access device channel loading
Excessive network during follow-up use is caused to connect the most smooth problem.
Understandable for enabling the above-mentioned purpose of the present invention, feature and advantage to become apparent from, below in conjunction with
The specific embodiment of the present invention is described in detail by accompanying drawing.
Embodiments provide a kind of method selecting network access equipment, can be by wireless network
Network-termination device in network environment is implemented.It is wireless that the described network terminal can be that any one has
Data transmission capabilities and the terminal unit of data-handling capacity, for example, it may be with WiFi merit
Can smart mobile phone, the equipment such as panel computer.To claim with website (STA, Station) generation herein
Above-mentioned network-termination device.Described network access equipment can be wireless aps or wireless router
Deng.As it is shown in figure 1, described method for network authorization may include that
Step S101, when after the access information receiving at least one network access equipment, to network
Access device queried channel service condition.
STA accesses the process of wireless network access device and includes scanning, certification and pass ter step.
In sweep phase, wireless terminal is before joining the network, it is necessary first at residing range searching network,
Including adding the active scan mode of network with request by sending Probe Request frame, or pass through
Intercept the drive sweep mode of wireless network access device periodic broadcasting Beacon frame.
In the prior art, received by Probe Response frame or Beacon frame as STA
Accessible service set identifier (SSID, the Service Set of multiple wireless network access devices
Time Identifier), the signal intensity of Probe Response frame or Beacon frame can be pointed out (RSSI,
Received Signal Strength Indication) and corresponding No. SSID present to user and select,
Or in the case of unartificial selection wireless network access device, oneself selects according to RSSI
Suitably SSID carries out follow-up certification or association etc. and accesses step.
The embodiment of the present invention, is receiving one when described STA entrance wireless network coverage
Or more than one network access equipment access information (Probe Response frame described above or
Beacon frame) after, can be to network access equipment queried channel service condition.Meanwhile, by all energy
Enough receive signal and the wireless network access device that can associate as candidate device.
In being embodied as, STA can be to institute to network access equipment queried channel service condition
State network access equipment and inquire about its current channel loading conditions.Such as, by sending Radio
Measurement Request frame gives described wireless network access device.Described Radio
Measurement Request frame includes the field asking channel loading Channel_load.Such as figure
2 show between STA and wireless network access device mutual.After the request receiving STA,
Wireless network access can respond this request, by relevant communication protocol, inquires about its radio base band and uses
Situation, thus obtain present channel load C hannel_load, finally feed back to STA mono-and include
Channel load information is in interior reply.
Step S102, after receiving channel usage feedback, is calculated by default computational methods
The comprehensive evaluation of network access equipment；Described comprehensive evaluation includes the channel of network access equipment
Service condition and signal receiving strength.
In embodiments of the present invention, STA feeds back to returning of its by resolving wireless network access device
Complex information, can obtain channel load information therein, and then can obtain present channel idleness situation.
Circular is as follows:
I(Idle_Percentage)=1-C(Channel_load)；
Wherein, I(Idle_Percentage)For channel idle rate, C(Channel_load)For channel loading.
After being calculated channel idle rate, so that it may calculate combining of wireless network current state further
Close assessed value.Circular is as follows:
Score=A*R(RSSI)+B*I(Idle_Percentage)；
Wherein, Score is described comprehensive evaluation, R(RSSI)For described signal receiving strength.This
In it should be noted that the signal receiving strength R being resolved to from Frame(RSSI), its unit can
Can be dbm, for negative value.Therefore, when calculating, need to be mw by its Conversion of measurement unit, thus by it
Be converted on the occasion of.Signal receiving strength R(RSSI)Conversion of measurement unit be prior art, so place no longer
Repeat.
A, B are respectively described signal receiving strength and the weighted value of described channel idle rate, and A
＞ 0, B ＞ 0.Described A and B is empirical parameter, and its concrete desirable numerical value can by user certainly
Definition is arranged.
It will be appreciated by those skilled in the art that, above-mentioned be embodied as in computational methods simply
The optional embodiment of one of the present invention, it is also possible to have other embodiment.Such as, by channel
Load C hannel_load replace channel idle rate Idle_Percentage as one negative with reference to because of
Element, now can be set to B less than 0.Generally speaking, it is only necessary to reference factor can reflect letter
Road service condition, all can realize the purpose of the present invention, and within belonging to protection scope of the present invention.
Step S103, selects a network access equipment to carry out subsequent association.
In one is embodied as, described selection one network access equipment carries out subsequent association and can wrap
Include: on the display interface of STA, show that each self-corresponding SSID of each network access equipment is with comprehensive
Assessed value, and select corresponding network access equipment to carry out follow-up pass according to the selection instruction of user
Connection.By this detailed description of the invention, it is corresponding that user can intuitively arrive current each wireless network
SSID, comprehensive evaluation, signal strength information, channel idle rate information, and other, in this way
The no relevant informations such as certification that need, thus facilitate user to select a wireless network properly accessed.
In another kind is embodied as, described selection one network access equipment carries out subsequent association and also may be used
To include: select the network access equipment that described comprehensive evaluation is the highest to carry out subsequent association.Pass through
Abovementioned steps, all wireless network access devices that STA can be associated with all can have a Score,
In the case of unartificial selection, STA can be according to the Score of each wireless network access device
Size selects the wireless network access device needing to connect.When STA needs roaming, STA is also
Score also according to the wireless network access device (having identical SSID) meeting roaming conditions
The wireless network access device selecting to need to set up association of middle maximum.
In above-mentioned being embodied as, equal and for peak when there is at least two comprehensive evaluation
Network access equipment time, select the strongest network access equipment of signal receiving strength to carry out follow-up pass
Connection.User can also arrange other factors voluntarily as equal when there is at least two comprehensive evaluation
And top-priority condition when being the network access equipment of peak, the most described channel idle rate is
High network access equipment carries out subsequent association.
The embodiment of the present invention is by considering signal receiving strength and channel idle rate as selection
The embodiment of WAP, so that STA need not wireless network access device decision-making
In the case of, preferably select need set up association wireless network receive equipment, thus avoid by
Network during follow-up use is caused to connect the most smooth in wireless network access device channel loading is excessive
Problem.
The method that the embodiment of the invention also discloses a kind of and above-mentioned selection network access equipment is corresponding
The network terminal.As it is shown on figure 3, the described network terminal may include that
Request unit, for when after the access information receiving at least one network access equipment, to
Network access equipment sends channel and uses information inquiring request；
Computing unit, for after receiving channel use information feedback, by default computational methods
Calculate the comprehensive evaluation of network access equipment letter；Described comprehensive evaluation includes network access equipment
Channel use information and signal receiving strength
Associative cell, for selecting a network access equipment to carry out subsequent association.
STA accesses the process of wireless network access device and includes scanning, certification and pass ter step.
In sweep phase, wireless terminal is before joining the network, it is necessary first at residing range searching network,
Including adding the active scan mode of network with request by sending Probe Request frame, or pass through
Intercept the drive sweep mode of wireless network access device periodic broadcasting Beacon frame.
In the prior art, received by Probe Response frame or Beacon frame as STA
Accessible service set identifier (SSID, the Service Set of multiple wireless network access devices
Time Identifier), the signal intensity of Probe Response frame or Beacon frame can be pointed out (RSSI,
Received Signal Strength Indication) and corresponding No. SSID present to user and select,
Or in the case of unartificial selection wireless network access device, oneself selects according to RSSI
Suitably SSID carries out follow-up certification or association etc. and accesses step.
The embodiment of the present invention, is receiving one when described STA entrance wireless network coverage
Or more than one network access equipment access information (Probe Response frame described above or
Beacon frame) after, can be by described request unit to network access equipment queried channel service condition.
Meanwhile, signal can be received and the wireless network access device that can associate sets as candidate using all
Standby.
In being embodied as, STA can be to institute to network access equipment queried channel service condition
State network access equipment and inquire about its current channel loading conditions.Such as, by sending Radio
Measurement Request frame gives described wireless network access device.Described Radio
Measurement Request frame includes the field asking channel loading Channel_load.Receiving
After the request of STA, wireless network access can respond this request, by relevant communication protocol, looks into
Ask its radio base band service condition, thus obtain present channel load C hannel_load, the most instead
Feed mono-reply including channel load information of STA.
In embodiments of the present invention, STA feeds back to it by resolving wireless network access device
Return information, can obtain channel load information therein, and then can be worked as by the acquisition of described computing unit
Front channel idle rate situation.Circular is as follows:
I(Idle_Percentage)=1-C(Channel_load)；
Wherein, I(Idle_Percentage)For channel idle rate, C(Channel_load)For channel loading.
After being calculated channel idle rate, so that it may calculate wireless by described computing unit further
The comprehensive evaluation of current network state.Circular is as follows:
Score=A*R(RSSI)+B*I(Idle_Percentage)；
Wherein, Score is described comprehensive evaluation, R(RSSI)For described signal receiving strength.This
In it should be noted that the signal receiving strength R being resolved to from Frame(RSSI), its unit can
Can be dbm, for negative value.Therefore, when calculating, need to be mw by its Conversion of measurement unit, thus by it
Be converted on the occasion of.Signal receiving strength R(RSSI)Conversion of measurement unit be prior art, so place no longer
Repeat.
A, B are respectively described signal receiving strength and the weighted value of described channel idle rate, and A
＞ 0, B ＞ 0.Described A and B is empirical parameter, and its concrete desirable numerical value can by user certainly
Definition is arranged.
In one is embodied as, described associative cell may include that display module, is used for showing
The each self-corresponding SSID of each network access equipment and comprehensive evaluation；First processing module, is used for
Selection instruction according to user selects corresponding network access equipment to carry out subsequent association.Concrete next
Saying, described display module shows that on the display interface of STA each network access equipment is each self-corresponding
SSID and comprehensive evaluation, described first processing module instructs according to the selection of user and selects accordingly
Network access equipment carries out subsequent association.By this detailed description of the invention, user can be intuitively
To the SSID that current each wireless network is corresponding, comprehensive evaluation, signal strength information, channel idle
Rate information, and other, such as whether need the relevant informations such as certification, thus facilitate user to select one
The suitable wireless network accessed.
In another kind is embodied as, described associative cell can also include: the second processing module,
For selecting the network access equipment that described comprehensive evaluation is the highest to carry out subsequent association.Through aforementioned
Step, all wireless network access devices that STA can be associated with all can have a Score, non-
In the case of artificial selection, STA can be by described second processing module according to each wireless network
The Score size of access device selects the wireless network access device needing to connect.When STA needs
Time to be roamed, the second processing module is too according to the wireless network access device meeting roaming conditions
The wireless network selecting needs to set up association maximum in the Score of (having identical SSID)
Access device.
In above-mentioned being embodied as, described second processing module is for comprehensive when there is at least two
Assessed value is equal and when being the network access equipment of peak, selects the net that signal receiving strength is the strongest
Network access device carries out subsequent association.User can also arrange other factors voluntarily as when existing extremely
Few two comprehensive evaluations are equal and top-priority condition when being the network access equipment of peak,
The network access equipment that the most described channel idle rate is the highest carries out subsequent association.
One of ordinary skill in the art will appreciate that whole in the various methods of above-described embodiment or
Part steps can be by program and completes to instruct relevant hardware, and this program can be stored in
In one computer-readable recording medium, storage medium may include that ROM, RAM, disk or
CD etc..
Although present disclosure is as above, but the present invention is not limited to this.Any people in the art
Member, without departing from the spirit and scope of the present invention, all can make various changes or modifications, therefore originally
The protection domain of invention should be as the criterion with claim limited range.
Claims (10)
1. the method selecting network access equipment, it is characterised in that a described choosing of enforcement is provided
Selecting the terminal unit of the method for network access equipment, described method includes:
When after the access information receiving at least one network access equipment, look into network access equipment
Ask channel usage；
After receiving channel usage feedback, calculate network insertion by default computational methods and set
Standby comprehensive evaluation；Described comprehensive evaluation include network access equipment channel usage and
Signal receiving strength；
A network access equipment is selected to carry out subsequent association.
2. the method selecting network access equipment as claimed in claim 1, it is characterised in that
Described channel usage is present channel load；
Described default computational methods are:
I(Idle_Percentage)=1-C(Channel_load)；
Score=A*R(RSSI)+B*I(Idle_Percentage)；
Wherein, I(Idle_Percentage)For channel idle rate, C(Channel_load)For channel loading, Score
For described comprehensive evaluation, R(RSSI)For described signal receiving strength, A, B are respectively described letter
Number receiving intensity and the weighted value of described channel idle rate, and A ＞ 0, B ＞ 0.
3. the method selecting network access equipment as claimed in claim 1, it is characterised in that institute
State selection one network access equipment to carry out subsequent association and include:
Show each self-corresponding SSID of each network access equipment and comprehensive evaluation；
Selection instruction according to user selects corresponding network access equipment to carry out subsequent association.
4. the method selecting network access equipment as claimed in claim 1, it is characterised in that institute
State selection one network access equipment to carry out subsequent association and include: select described comprehensive evaluation the highest
Network access equipment carries out subsequent association.
5. the method selecting network access equipment as claimed in claim 4, it is characterised in that when
There is at least two comprehensive evaluation equal and during for the network access equipment of peak, select signal
The network access equipment that receiving intensity is the strongest carries out subsequent association.
6. a network terminal, it is characterised in that including:
Request unit, for when after the access information receiving at least one network access equipment, to
Network access equipment sends channel and uses information inquiring request；
Computing unit, for after receiving channel use information feedback, by default computational methods
Calculate the comprehensive evaluation of network access equipment letter；Described comprehensive evaluation includes network access equipment
Channel use information and signal receiving strength
Associative cell, for selecting a network access equipment to carry out subsequent association.
7. the network terminal as claimed in claim 6, it is characterised in that described default computational methods
For:
Described channel usage is present channel load；
Described default computational methods are:
I(Idle_Percentage)=1-C(Channel_load)；
Score=A*R(RSSI)+B*I(Idle_Percentage)；
Wherein, I(Idle_Percentage)For channel idle rate, C(Channel_load)For channel loading, Score
For described comprehensive evaluation, R(RSSI)For described signal receiving strength, A, B are respectively described letter
Number receiving intensity and the weighted value of described channel idle rate, and A ＞ 0, B ＞ 0.
8. the network terminal as claimed in claim 6, it is characterised in that described associative cell includes:
Display module, is used for showing each self-corresponding SSID of each network access equipment and Comprehensive Assessment
Value；
First processing module, instructs for the selection according to user and selects corresponding network access equipment
Carry out subsequent association.
9. the network terminal as claimed in claim 6, it is characterised in that described associative cell includes:
Second processing module, for selecting the network access equipment that described comprehensive evaluation is the highest to carry out follow-up
Association.
10. the network terminal as claimed in claim 9, it is characterised in that described second processes mould
Block for equal and during for the network access equipment of peak when there is at least two comprehensive evaluation,
The network access equipment selecting signal receiving strength the strongest carries out subsequent association.
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| CN201610505167.2A CN105979572A (en) | 2016-06-30 | 2016-06-30 | Method of selecting network access device and network terminal |
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| CN110177384B (en) * | 2019-07-15 | 2022-02-22 | 迈普通信技术股份有限公司 | Access method, device, wireless access point and readable storage medium |
| CN111083764A (en) * | 2019-12-24 | 2020-04-28 | 上海瑾盛通信科技有限公司 | Device control method, device, storage medium and electronic device |
| CN112333738A (en) * | 2020-11-13 | 2021-02-05 | Oppo广东移动通信有限公司 | Network connection method, device, storage medium and electronic equipment |
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