CN103313350A - Dual-frequency network access method and device, and access point equipment - Google Patents
Dual-frequency network access method and device, and access point equipment Download PDFInfo
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Abstract
The invention discloses dual-frequency network access method and device, and access point equipment. The method includes that: a detection request frame which carries frequency support information and terminal MAC address and which is transmitted by the terminal is received; if the frequency support information is support-assigned first frequency information, the terminal MAC address is stored in a priority access table; a correlation request frame which carries frequency correlation information and the terminal MAC address and which is transmitted by the terminal is received; if the frequency correlation information is request-correlated second frequency information, the terminal MAC address is searched in the priority access table; if no terminal MAC address is found, the terminal is connected to a second frequency network; if the search succeeds, connecting the terminal to a second frequency network or not is determined according to whether the terminal meets the access conditions or not. The dual-frequency network access method and device and the access point equipment have the advantages that load on the first and second frequency network is balanced effectively, network capacity is increased, and user experience is improved.
Description
Technical field
The present invention relates to wireless communication technology field, refer to a kind of Dual Band network cut-in method, device and access point apparatus especially.
Background technology
At present, the double-frequency wireless network interface card has obtained developing rapidly, the double-frequency wireless network interface card can be supported 2.4GHz frequency range and 5.8GHz frequency range simultaneously, because the level that the double-frequency wireless network interface card will be compared the 5.8GHz frequency range to the level sensitivity response of 2.4GHz frequency range is highly sensitive, and the algorithm of built-in preferential support 2.4GHz frequency range, make most double-frequency wireless network interface cards preferentially insert 2.4GHz frequency range network often in the zone that 2.4GHz/5.8GHz frequency range network (Dual Band network) covers simultaneously.Can cause busy and 5.8GHz frequency range network free time of 2.4GHz frequency range network like this, the Dual Band network load can't balance, and Internet resources are wasted.Therefore, how to take full advantage of the resource of 5.8GHz frequency range network, providing better any wireless network services to the user is a urgent problem.
Summary of the invention
The embodiment of the invention provides a kind of Dual Band network cut-in method, device and access point apparatus, in order to solve existing double-frequency wireless network interface card preferentially insert Dual Band network load that 2.4GHz frequency range network causes can't balance, the problem of network resources waste.
A kind of Dual Band network cut-in method comprises:
The probe request of the media access control MAC address of carrying frequency range support information and described terminal that receiving terminal sends is if described frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts the described terminal of storage in the table;
Receive the association request frame of the MAC Address of carrying frequency range related information and described terminal of described terminal transmission, if described frequency range related information is the information of related second frequency range of request, then in described preferential access table, search the MAC Address of described terminal;
If do not find, then described terminal is inserted the described second frequency range network;
If find, then whether satisfy access conditions according to described terminal, determine whether described terminal is inserted the described second frequency range network.
A kind of Dual Band network access device comprises:
Memory cell, the probe request that is used for the media access control MAC address of carrying frequency range support information and described terminal of receiving terminal transmission, if described frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts the described terminal of storage in the table;
Access unit, the association request frame that is used for the MAC Address of carrying frequency range related information and described terminal of the described terminal transmission of reception, if described frequency range related information is the information of related second frequency range of request, then in described preferential access table, search the MAC Address of described terminal; If do not find, then described terminal is inserted the described second frequency range network; If find, then whether satisfy access conditions according to described terminal, determine whether described terminal is inserted the described second frequency range network.
A kind of access point apparatus comprises above-mentioned Dual Band network access device.
Beneficial effect of the present invention is as follows:
Dual Band network cut-in method, device and access point apparatus that the embodiment of the invention provides, the probe request of the media access control MAC address of carrying frequency range support information and described terminal that sends by receiving terminal, if described frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts the described terminal of storage in the table; Receive the association request frame of the MAC Address of carrying frequency range related information and described terminal of described terminal transmission, if described frequency range related information is the information of related second frequency range of request, then in described preferential access table, search the MAC Address of described terminal; If do not find, then described terminal is inserted the described second frequency range network; If find, then whether satisfy access conditions according to described terminal, determine whether described terminal is inserted the described second frequency range network.This scheme is after the probe request that receives the terminal transmission, if terminal is supported first frequency range of appointment, then the MAC Address with this terminal stores in the preferential access table, after the association request frame of the frequency range related information that receives related second frequency range of terminal request, if there is not the MAC Address of storage terminal in the preferential access table, then directly insert the second frequency range network, if in preferential access table, stored the MAC Address of terminal, then need whether to satisfy access conditions according to terminal, determine whether terminal is inserted the second frequency range network, always terminal is preferentially inserted the mode of the second frequency range network with respect to prior art, the effectively load of the balanced first frequency range network and the second frequency range network, promote network capacity, improve the user and experience.
Description of drawings
Fig. 1 is the flow chart of Dual Band network cut-in method in the embodiment of the invention;
Fig. 2 is the structural representation of Dual Band network access device in the embodiment of the invention;
Fig. 3 is the structural representation of preferred Dual Band network access device in the embodiment of the invention.
Embodiment
Be provided with the terminal of double-frequency wireless network interface card when access of radio network, existing standard agreement flow process is, terminal at first scans and receives surrounding access points (Access Point, AP) equipment, obtaining the service set of AP (Service Set Identification, SSID) after, driver according to the double frequency network interface card goes to select proper A P to carry out association, normally at first related 2.4GHz frequency range, just at first insert 2.4GHz frequency range network, association process is mainly determined by the double-frequency wireless network interface card of terminal, owing to always at first insert 2.4GHz frequency range network, will make that like this load of 2.4GHz frequency range network is very big, and the 5.8GHz frequency range network free time, thereby cause the load of Dual Band network can't balance, and network resources waste.
At problems of the prior art, the embodiment of the invention provides a kind of Dual Band network cut-in method, the flow process of this method as shown in Figure 1, the executive agent of this method can be Dual Band network access device or AP, below be that AP describes with the executive agent, execution in step is as follows:
S10: the medium access control of carrying frequency range support information and terminal (Medium Access Control, MAC) probe request of address (Probe Request) that receiving terminal sends.
When terminal is wanted access network, at first can scan available AP on every side, can send probe request.When the wireless network card in the terminal is the double-frequency wireless network interface card, two frequencies supposing the double-frequency wireless network interface card support in the terminal are first frequency and second frequency, so, terminal can send the probe request of the MAC Address of carrying the frequency range support information of supporting first frequency range and terminal, also can send the probe requests thereby information of the MAC Address of carrying the frequency range support information of supporting second frequency range and terminal, when around when being provided with AP, will receive the probe request that terminal sends.
S11: if the frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts storage terminal in the table.
Usually can arrange among each AP many to virtual access point (Virtual Access Point, VAP), every couple of VAP uses same SSID, and one supported first frequency range, another supports second frequency range.Wherein first frequency range can be 5.8GHz, and second frequency range can be 2.4GHz, and certain first frequency range and second frequency range also can be other frequency ranges.AP as prior art, can send to terminal with existing SSID after receiving the probe request of terminal transmission.
After AP receives the probe request of terminal transmission, determine at first whether the frequency range support information that carries in the probe request is the information of supporting first frequency range of appointment, if, in preferential access table, set up relevant entries, the MAC Address of terminal is stored in the preferential access table, and this process does not have in the prior art.What store in the preferential access table is the MAC Address of terminal that can preferentially insert first frequency range of appointment.First frequency range with appointment is that the 5.8GHz frequency range is that example describes below.
S12: the association request frame of the MAC Address of carrying frequency range related information and terminal that receiving terminal sends.
The SSID of terminal available AP around having obtained then just can be by having sent association request frame request association certain AP wherein.
Receive the association request frame of terminal transmission as AP after, if related first frequency range of terminal request so just can directly insert it first frequency range network; If related second frequency range of terminal request, the step below so just needing to carry out.
S13: if the frequency range related information is the information of related second frequency range of request, then in preferential access table, search the MAC Address of terminal, if do not find, carry out S14; If find, carry out S15.
S14: terminal is inserted the second frequency range network.
If the preferential not MAC Address of storage terminal that inserts in the table that is to say that terminal do not support first frequency range, then directly terminal is inserted the second frequency range network.
S15: whether satisfy access conditions according to terminal, determine whether terminal is inserted the second frequency range network.
If stored the MAC Address of terminal in the preferential access table, that is to say that terminal supports first frequency range, so just need judge whether terminal satisfies access conditions, determine whether then terminal is inserted the second frequency range network.
This scheme is after the probe request that receives the terminal transmission, if terminal is supported first frequency range of appointment, then the MAC Address with this terminal stores in the preferential access table, after the association request frame of the frequency range related information that receives related second frequency range of terminal request, if there is not the MAC Address of storage terminal in the preferential access table, then directly insert the second frequency range network, if in preferential access table, stored the MAC Address of terminal, then need whether to satisfy access conditions according to terminal, determine whether terminal is inserted the second frequency range network, always terminal is preferentially inserted the mode of the second frequency range network with respect to prior art, the effectively load of the balanced first frequency range network and the second frequency range network, promote network capacity, improve the user and experience.
Preferably, said method also comprises: according to the preferential MAC Address that inserts storage in the table of setting cycle deletion.
At the AP run duration, the MAC Address in the preferential access table is not to exist indefinite duration, can regularly delete the MAC Address in the preferential access table, with the release internal memory, thereby can prevent effectively that the AP performance from reducing.
Concrete, whether satisfy access conditions according to terminal among the above-mentioned S15, determine whether terminal is inserted the second frequency range network, specifically comprise: if terminal satisfies access conditions, terminal is inserted the second frequency range network; If terminal does not satisfy access conditions, send the association response frame of the related failure information that carries related second frequency range failure to terminal.
When terminal does not satisfy access conditions, send the association response frame of the related failure information that carries related second frequency range failure to terminal.
Processing procedure after terminal receives after this association response frame is the same with prior art, that is: learn the failure of related second frequency range, the software strategy of its double-frequency wireless network interface card can attempted failure (in common 3 times) several times afterwards, and asking related first frequency range automatically is the 5.8GHz frequency range.
Concrete, above-mentioned access conditions comprises one of following or combination:
First condition, the number of times of related second frequency range of terminal request surpasses setting threshold.
A setting threshold can be set, number of times and the setting threshold of related second frequency range of terminal request compared, when above setting threshold, then allow terminal to insert the second frequency range network.Setting threshold can be set according to actual needs, for example, can arrange according to the load size of the second frequency range network, and when the second frequency range offered load was big, what setting threshold can be arranged was bigger; Otherwise what setting threshold can be arranged is once little.Can also arrange according to other situation, here explanation no longer one by one.
Second condition, the load of the first frequency range network surpasses the load of the second frequency range network.
Like this can the active balance first frequency range network and the load of the second frequency range network, prevented to occur another extreme phenomenon, namely under the situation that the double-frequency wireless network interface card is in the great majority, the first frequency range network is fully loaded, and the situation of the second frequency range network free time.If first frequency range is the 5.8GHz frequency range, second frequency range is the 2.4GHz frequency range, so just can prevent that 5.8GHz frequency range network is fully loaded, and the extreme situation of 2.4GHz frequency range network free time.
The 3rd condition, the MAC Address of terminal is kept in the authorization table, and what store in the authorization table is the MAC Address that can directly insert the terminal of the second frequency range network.
Can dispose authorization table at the user of some specific demand by the related personnel, preserve the MAC Address of these users' terminal in authorization table, the terminal in the authorization table just can directly insert the second frequency range network so.
Based on same inventive concept, the embodiment of the invention provides a kind of Dual Band network access device, and this device can be arranged in the access point apparatus, and structure comprises as shown in Figure 2:
Preferably, above-mentioned Dual Band network access device on the basis of Dual Band network access device shown in Figure 2, also comprises delete cells 22 as shown in Figure 3, is used for according to the preferential MAC Address that inserts the table storage of setting cycle deletion.
Concrete, above-mentioned access unit network 21 specifically is used for: if terminal satisfies access conditions, terminal is inserted the second frequency range network; If terminal does not satisfy access conditions, send the association response frame of the related failure information that carries related second frequency range failure to terminal.
Obviously, those skilled in the art can carry out various changes and modification to the present invention and not break away from the spirit and scope of the present invention.Like this, if of the present invention these are revised and modification belongs within the scope of claim of the present invention and equivalent technologies thereof, then the present invention also is intended to comprise these changes and modification interior.
Claims (8)
1. a Dual Band network cut-in method is characterized in that, comprising:
The probe request of the media access control MAC address of carrying frequency range support information and described terminal that receiving terminal sends is if described frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts the described terminal of storage in the table;
Receive the association request frame of the MAC Address of carrying frequency range related information and described terminal of described terminal transmission, if described frequency range related information is the information of related second frequency range of request, then in described preferential access table, search the MAC Address of described terminal;
If do not find, then described terminal is inserted the described second frequency range network;
If find, then whether satisfy access conditions according to described terminal, determine whether described terminal is inserted the described second frequency range network.
2. the method for claim 1 is characterized in that, also comprises:
Delete the MAC Address of storing in the described preferential access table according to setting cycle.
3. the method for claim 1 is characterized in that, whether satisfies access conditions according to described terminal, determines whether described terminal is inserted the described second frequency range network, specifically comprises:
If described terminal satisfies access conditions, described terminal is inserted the described second frequency range network;
If described terminal does not satisfy access conditions, send the association response frame of the related failure information that carries related described second frequency range failure to described terminal.
4. as the arbitrary described method of claim 1～3, it is characterized in that described access conditions comprises one of following or combination:
The number of times of related described second frequency range of described terminal request surpasses setting threshold;
The load of the first frequency range network surpasses the load of the described second frequency range network;
The MAC Address of described terminal is kept in the authorization table, and what store in the described authorization table is the MAC Address that can directly insert the terminal of the described second frequency range network.
5. a Dual Band network access device is characterized in that, comprising:
Memory cell, the probe request that is used for the media access control MAC address of carrying frequency range support information and described terminal of receiving terminal transmission, if described frequency range support information is the information of first frequency range of support appointment, then in the preferential MAC Address that inserts the described terminal of storage in the table;
Access unit, the association request frame that is used for the MAC Address of carrying frequency range related information and described terminal of the described terminal transmission of reception, if described frequency range related information is the information of related second frequency range of request, then in described preferential access table, search the MAC Address of described terminal; If do not find, then described terminal is inserted the described second frequency range network; If find, then whether satisfy access conditions according to described terminal, determine whether described terminal is inserted the described second frequency range network.
6. device as claimed in claim 5 is characterized in that, also comprises delete cells, is used for deleting the MAC Address that described preferential access table is stored according to setting cycle.
7. device as claimed in claim 5 is characterized in that, described access unit specifically is used for:
If described terminal satisfies access conditions, described terminal is inserted the described second frequency range network;
If described terminal does not satisfy access conditions, send the association response frame of the related failure information that carries related described second frequency range failure to described terminal.
8. an access point apparatus is characterized in that, comprises arbitrary described Dual Band network access device as claim 5-7.
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| CN103716777A (en) * | 2013-12-18 | 2014-04-09 | 厦门市美亚柏科信息股份有限公司 | Wireless terminal MAC address acquisition method and device |
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| CN108156272B (en) * | 2017-12-11 | 2022-03-01 | 北京小米移动软件有限公司 | Associated frequency band determination method and device and electronic equipment |
| CN111988832A (en) * | 2019-05-24 | 2020-11-24 | 钉钉控股（开曼）有限公司 | Spectrum navigation method, device, equipment and system |
| CN111988832B (en) * | 2019-05-24 | 2023-08-15 | 钉钉控股（开曼）有限公司 | Spectrum navigation method, device, equipment and system |
| CN110493057A (en) * | 2019-08-26 | 2019-11-22 | 迈普通信技术股份有限公司 | A kind of radio reception device and its transmission control method |
| CN110493057B (en) * | 2019-08-26 | 2022-01-28 | 迈普通信技术股份有限公司 | Wireless access equipment and forwarding control method thereof |
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