CN102202301A - Automatic line connection system of wireless local network and method thereof - Google Patents
Automatic line connection system of wireless local network and method thereof Download PDFInfo
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Abstract
The invention discloses an automatic line connection system of wireless local network and a method thereof, wherein the wireless local network comprises one or more wireless access apparatuses which can be connected by a device to be connected. The method comprises the following steps: the wireless access apparatus receives a connection request sent by the device to be connected, wherein the connection request comprises the connection information of the device to be connected; the wireless access apparatus detects whether the connection information is accord with the preset condition or not that the wireless access apparatus carries out an automatic protocol connection; when the connection information is accord with the preset condition, the wireless access apparatus set the connection identification as enabling connection and sends a connection reply comprising connection identification to the device to be connected; when the connection identification of connection reply is enabling connection, according to the connection information and connection reply, the device to be connected connects the wireless access apparatus which sends the connection reply. According to the invention, a safety connection mechanism is provided, the inconvenience of network management personnel brought by complicated hand-operated setting is avoided, and the security of data transmission in wireless local network is improved.
Description
Technical field
The present invention relates to a kind of system and method thereof of WLAN automatic connecting, particularly relate to automatic protocol between the radio network device of following IEEE 802.11 standard criterions (negotiation) so that the system and method for WLAN automatic connecting.
Background technology
Follow 802.11 standards that electron electric power IEEE formulates and the radio network device of making mainly comprise the access point device (Access Point, AP) and user's set (Station, STA) two big classes, just Tong Cheng Wi-Fi radio network device; In the time will setting up a LAN with the Wi-Fi radio network device, must be configured binding between user's set and access point device or between access point device and access point device, could form a WLAN.Under the situation of general acquiescence, the access point device is not provided with any security mechanism, so long as it is the Wi-Fi subscriber equipment all can be attached to the data that open access point device even interception access point device are transmitted, extremely low for the Information Security guarantee in the LAN.
In order to ensure the fail safe of radio network device Data transmission, the at present existing safety standard that several are used for setting up between the radio network device or should follow when adding WLAN, for example WEP, WPA2 or WPS, these known safety standards all need user or manager to carry out manual setting when newly-increased device is in LAN, as title, password are set or choose optimal access point binding.For company or enterprise etc. through regular meeting increase or the manager of the large-scale WLAN of adjusting device for, each adjustment all can produce the work load of many manpowers, reduces the usefulness of management.
Summary of the invention
The objective of the invention is to follow the 802.11 standard communication standards that electron electric power IEEE (IEEE) formulated and the radio network device of making set up automatically or add WLAN in order to make, and further provide safe binding mechanism, use and exempt the inconvenience that numerous and diverse manual setting brings the network management personnel, and improve safety of data transmission in the WLAN.
In order to reach above-mentioned purpose, according to one of them scheme of the present invention, a kind of automatic connecting method of WLAN is provided, comprise one or more in this LAN for the radio access device that links, one of them embodiment of described method comprises: the radio access device receives the binding request for the treatment of that hookup mechanism sends, link in the request and comprise the binding information for the treatment of hookup mechanism, then detect binding information and whether meet pre-conditioned; When linking information conforms when pre-conditioned, the radio access device is provided with to link to be designated and allows to link, and sends the binding that comprises connection identifier and return back to and treat hookup mechanism; When the binding of binding answer is designated the permission binding,, makes and treat that hookup mechanism is attached to the radio access device that the transmission binding is replied according to information in binding information and the binding answer.
Preferably, this binding information comprises: one links identifier, a binding pattern, a connecting state and this treats a device recognition data of hookup mechanism, whether this pre-conditioned automatic protocol identifier that comprises, detect this binding information and meet in this pre-conditioned step and comprise:
Whether detect this binding identifier identical with this automatic protocol identifier;
Detect this connecting state and whether be a connecting state not; And
Whether detect this binding pattern is the default binding pattern that this radio access device is supported.
Whether preferably, detect this binding information meets in this pre-conditioned step and comprises:
Detect this according to this device recognition data and treat whether hookup mechanism is legitimate device.
Preferably, detect this and treat that whether hookup mechanism is to comprise in the step of legitimate device:
Transmit this device recognition data to a management devices, this management devices writes down one or more device identification; And
When one of them conforms to when this device recognition data and these device identification, judge that this treats that hookup mechanism is a legitimate device.
Preferably, be provided with and more comprise before this binding is designated the step that allow to link:
Obtaining this treats hookup mechanism and receives a signal strength information between this radio access device of this binding request;
Transmit this signal strength information to one management devices, this management devices is in order to compare in this LAN this signal strength information that this radio access device respectively transmits;
Receive this management devices and compare an authentication result of being passed back after this signal strength information, and this binding sign is set according to this authentication result;
Wherein, this binding sign is set to allow the intensity of this signal strength information that this radio access device of linking transmitted the strongest.
Preferably, detect and more comprise after whether this binding information meets this pre-conditioned step:
When this binding information is not inconsistent this when pre-conditioned, this binding is set is designated refusal and links; And
When this binding of this binding answer was designated the refusal binding, this treated that hookup mechanism is not linked to this radio access device.
In order to reach above-mentioned purpose, according to one of them scheme of the present invention, provide a kind of automatic connecting system of WLAN, one of them embodiment comprises: one treats hookup mechanism and one or more radio access device.Treat that hookup mechanism sends the binding that comprises a binding information and asks a plurality of radio access devices; The radio access device receives to link asks, detects pre-conditioned that whether binding information meets and the radio access device links automatically, and send to link to return back to and treat hookup mechanism, the pre-conditioned automatic protocol identifier that comprises links and comprises in the answer that one links sign; Wherein, radio access is installed on and links information conforms when pre-conditioned, is provided with to link to be designated to allow to link, and treats that hookup mechanism is attached to link to comprise in replying and allow the radio access device that links.
Preferably, this binding information more comprises: one links identifier, a binding pattern, a connecting state, and this treats a device recognition data of hookup mechanism, and this is pre-conditioned more to comprise: an automatic protocol identifier, a default binding pattern, and a connecting state not.
Preferably, this radio access device more comprises:
One links the data authentication module, according to this binding data of this pre-conditioned detection,
Wherein, this binding data authentication module detects whether this binding identifier is identical with this automatic protocol identifier, whether this binding pattern is this default binding pattern, and whether this connecting state is this not connecting state.
Preferably, this treats hookup mechanism according to a secure links pattern and this binding information, is attached in this binding answer to comprise this radio access device that allows binding.
Be a kind of automatic connecting system of WLAN according to another aspect of the present invention, its characteristics are, comprising:
One treats hookup mechanism, sends one and links request, comprises a binding information in this binding request; And
Whether a plurality of radio access devices receive this binding request respectively, detect this binding information and meet one pre-conditionedly, and send one and link and return back to this and treat hookup mechanism, comprise during this bindings is replied that one links and identifies;
One management devices, this that receives that those radio access devices transmit respectively treated the signal strength information between hookup mechanism and this radio access device, and comparison this signal strength information and send an authentication result to this radio access device respectively respectively;
Wherein, this radio access is installed on this binding information conforms, and this is pre-conditioned, and when this authentication result points out that this radio access device and this treat that the intensity of this signal strength information of hookup mechanism is the strongest, this binding is set is designated the permission binding, this treats that hookup mechanism and this binding comprise this radio access device foundation binding that allows binding in replying.
Preferably, this management devices writes down one or more device identification, and receive this device recognition data that this radio access device transmitted and treat to judge this whether hookup mechanism is legitimate device, when one of them conforms to when this device recognition data and those device identification, judge that this treats that hookup mechanism is a legitimate device, wherein, this pre-conditionedly comprises that more this treats that hookup mechanism is a legitimate device.
Positive progressive effect of the present invention is: the present invention further provides safe binding mechanism, used and exempt the inconvenience that numerous and diverse manual setting brings the network management personnel, and improved safety of data transmission in the WLAN.
The detailed content of above-mentioned technological means please refer to following execution mode and institute's the description of the drawings.
Description of drawings
Fig. 1 is the schematic diagram of a kind of WLAN framework embodiment provided by the present invention;
Fig. 2 is the automatic connecting service system first embodiment calcspar of a kind of WLAN provided by the present invention;
Fig. 3 is the automatic connecting service system second embodiment calcspar of a kind of WLAN provided by the present invention;
Fig. 4 is the flow chart of the automatic connecting method embodiment of a kind of WLAN provided by the present invention;
Fig. 5 is comparison binding information and a pre-conditioned detail flowchart among the method embodiment provided by the present invention; And
Fig. 6 is for receiving the flow chart that links after replying among the method embodiment provided by the present invention.
[primary clustering symbol description]
1 WLAN
10,12,14,16 access point devices
20,22,24 user's sets
30 internets
32 management devices
320 device recognized lists
322 comparing module
324 first communication units
40 treat hookup mechanism
400 first wireless transmission unit
402 first processing units
404 mnemons
406 power subsystems
42,44,46 radio access devices
420,440 second wireless transmission unit
422,442 second processing units
424 second communication units
444 device recognized lists
4420 comparing module
4220,4422 link the Information Authentication module
The S501-S525 process step
The S5031-S5037 process step
The S601-S609 process step
Embodiment
Provide preferred embodiment of the present invention below in conjunction with accompanying drawing, to describe technical scheme of the present invention in detail.
Fig. 1 has shown a kind of WLAN 1 schematic diagram of being made up of several radio network devices.Radio network device in the LAN 1 comprises radio access device (wireless access device) and terminal installation (terminal device).The radio access device can be access point device 10,12,14,16, arrives LAN 1 in order to the bridge terminal device, and can link cable network (wired network), so that each terminal installation in the WLAN 1 is attached to internet 30.
Terminal installation can be user's set 20,22,24, adds LAN 1 by being attached to the radio access device, common user's set for example: be provided with the computer of wireless network card or have the devices such as printer of wireless network communication interface.In addition, at present known access point device also can be attached to other access point device usually, so terminal installation also can be the access point device except the binding that can accept user's set.
For example the access point device among Fig. 1 16 is one to be connected to the terminal installation of access point device 12, but if other radio network devices (as another access point device or user's set) are arranged when being connected to access point device 16, access point device 16 also can be played the part of the role of radio access device.
Because the radio network device (no matter being access point device or user's set) that each radio access device can link has certain restricted number, therefore, when needing to link the huge radio network device of quantity in the WLAN that company or enterprise form, can link layer by layer via a plurality of radio access devices, and the coverage of expansion WLAN 1.
When desire treated that with one hookup mechanism 40 adds in the above-mentioned WLAN 1, the described hookup mechanism 40 for the treatment of may be linked to one of them of access point device 12 to 16, becomes newly-increased terminal installation.Treat that in order to make effectively hookup mechanism 40 is attached on the suitable radio access device automatically, the present invention promptly provides a kind of each device automatic protocol for the treatment of in hookup mechanism 40 and the WLAN 1 that makes, and select a device to link automatically to add the means of this WLAN 1, to reduce the burden that administrative staff set, link safely simultaneously and treat hookup mechanism 40.Describedly treat that hookup mechanism 40 promptly can be a user's set (as notebook computer) or in order to enlarge another access point device of LAN scope.
In addition, in order to improve the fail safe of WLAN 1, in the middle of the WLAN 1 shown in Figure 1, also comprised a management devices 32 that is linked to access point device 10 (as the radio access device), be used to confirm that each device that adds WLAN 1 has the authority that adds this WLAN 1.Further instruction please refer to following content and graphic.
Fig. 2 is the automatic connecting system of a kind of WLAN provided by the present invention, treats hookup mechanism 40, a radio access device 42 and a management devices 32 comprising one.Can comprise a plurality of radio access devices that added WLAN in the described Radio Network System, but for ease of explanation, Fig. 2 and following content only just treat that a hookup mechanism 40 and a radio access device 42 carry out automatic protocol and set up the relation that links automatically describing.
Treat that hookup mechanism 40 comprises first wireless transmission unit 400, first processing unit 402, mnemon 404 and power subsystem 406.The hookup mechanism 40 for the treatment of in this example can be the switch (switch) of a notebook computer, tool wireless transmission function, or a newly-increased access point device etc. is used to build the equipment of putting or expanding WLAN.Mnemon 404 is as EEPROM or FLASH ROM, wherein deposited the device recognition data for the treatment of hookup mechanism 40, most typical device recognition data is multimedia visit control address (MAC address), in order on network as the unique identification sign indicating number for the treatment of hookup mechanism 40 (unique identifier).First processing unit 402 is after power subsystem 406 starts, taking out the multimedia visit control address from mnemon 404 encrypts, and by one of first wireless transmission unit, 400 layout comprise multimedia visit control after the encryption, in order to automatically and radio access device 42 link the binding information of agreement, be contained in one and link in the middle of the news frame (frame) of request (probe request), and send to each radio access device that in WLAN 1, can sense in the wireless transmission signal scope in the mode of broadcasting packages by antenna.
Treating that hookup mechanism 40 can be and follow 802.11 standard criterions that electron electric power IEEE (IEEE) formulated and the radio network device of producing comprises access point device and user's set described in the present embodiment.802.11 standard allows radio network device to add self-defining news frame among information transmitted, just component identifier (element ID) is producer's self-defined information element (vendor specificinformation element) news frame of 221.The binding information of 400 layouts of first wireless transmission unit can be above-mentioned self-defined information element news frame, comprises component identifier, element data length in the news frame, links identifier, installs data such as recognition data, connecting state and binding pattern; And after will linking format and finishing, under 802.11 standards, carry out signal with other and transmit needed control news frame or management news frame boil down to package, export by antenna.
Component identifier is 802.11 standards and formulates general identifier " 221 "; One group of 24 byte that the binding identifier is then applied for to electron electric power IEEE for the producer knitted identifier (Organizationally Unique Identifier, OUI), each group organization identification symbol can be used for distinguishing a kind of by the self-defining radio communication function of producer; Radio access device 42 receives when to include component identifier be 221 news frame, can accord with by the identification organization identification and judge the data that comprised in this news frame are to be used to carry out which kind of radio communication function.What deserves to be mentioned is, above-mentioned pointed component identifier only is to be example to meet " 221 " that existing 802.11 standards are adopted, be beneficial to the meaning that present technique field personnel understand component identifier, it is not eliminating is suitable for the identifier of different numerals or literal or its combination in the future along with the adjustment of communication standard possibility, also do not get rid of device to be connected and radio access device, according to the component identifier of its other wireless communication standards of following (adopting 802.16 standards) as WiMAX.
In the present embodiment, receiving the device that links request is to distinguish automatic protocol and link machine-processed execution according to linking identifier automatically.The device recognition data is above-mentioned multimedia visit control address after encrypting; Connecting state then comprises connecting state and not connecting state; The binding pattern then is because the mode of connection that different radio network communication devices can be suitable for is not necessarily identical; therefore must in binding information, provide and treat the mode of connection that to carry out when hookup mechanism 40 and other radio network devices link; for example set (Wi-Fi Protected Setup in the Wi-Fi protection; WPS) (the Push Button Configuration of the button configuration mode under; PBC) or sequence number connection mode (Personal InformationNumber code; PIN code), link so that receive the mode of connection that the device of binding information can select both sides all to be suitable for by this.
Radio access device 42 comprises second wireless transmission unit 420, second processing unit 422 and second communication unit 424.Receive the binding request of first wireless transmission unit, 400 broadcasting by second wireless transmission unit 420 after, the every information that links in the request can be decompressed, and analyze the content that is comprised in the binding request, and comprise binding information, how to carry out radio communication with decision with treating hookup mechanism 40.Second processing unit 422 comprises that one links Information Authentication module 4220, after second processing unit 422 received binding information from second wireless transmission unit 420, linking Information Authentication module 4220 can treat the message that hookup mechanism 40 is passed on according to the judgement of the data in the binding information.Wherein, radio access device 42 records carries out the pre-conditioned of automatic protocol, treats in order to judgement whether hookup mechanism 40 can carry out automatic protocol with radio access device 42 and link.Whether link Information Authentication module 4220 compares data in the binding information one by one and meets and carry out required pre-conditioned of automatic protocol between radio network device.Comprise in pre-conditioned and represent the automatic protocol identifier that carries out the automatic protocol function, the acquiescence that radio access device 42 is supported to link pattern, and treat that hookup mechanism is required to be not connecting state.The automatic protocol identifier can be one group of specific organization identification symbol, link binding identifier in the data in order to comparison:, treat that hookup mechanism 40 and radio access device 42 just can not carry out the function of automatic protocol if the binding identifier in the binding information is different with the automatic protocol identifier in pre-conditioned.If the binding identifier in the binding information is identical with automatic protocol identifier in pre-conditioned, link Information Authentication module 4220 also the judgement connecting state for the treatment of hookup mechanism 40 for linking or connecting state not.
Treat that hookup mechanism 40 is in power subsystem 406 power supply and after starting, no matter whether with WLAN in any one radio access device link, still can regularly send out and link request, so the binding information that second processing unit 422 is received may be from the terminal installation that adds WLAN or other access point devices, include the binding information that meets (match) automatic protocol identifier even link in the request this moment, radio access device 42 also need not carried out automatic protocol and set up the operation that links.When the connecting state in the binding information during for connecting state not, represent the described demand for the treatment of that the certain being and not being line take-away belt (conveyor)s 42 of hookup mechanism 40 link, then linking Information Authentication module 4220 also needs to judge and treats that whether binding pattern that hookup mechanism 40 is suitable for conforms to the acquiescence binding pattern that radio access device 42 is suitable for.As mentioned above, security mechanism with WPS is an example, radio access device 42 is according to different model or grade, may be designed to be suitable for PBC or PIN code pattern wherein one or both all can, therefore giving tacit consent to the binding pattern also may be for wherein a kind of or comprise two kinds, whether the binding pattern that links in the Information Authentication module 4220 comparison binding information has and the acquiescence binding pattern person of conforming to, if just in time have a kind of binding pattern identical, promptly determines and can link by the binding pattern that conforms to; If there is multiple binding pattern all applicable, then can link by radio access device 422 specified wherein a kind of default modes.
Treat the binding information of hookup mechanism 40 with pre-conditioned ratio through radio access device 42, and judge these contents that link information all meet carry out automatic protocol pre-conditioned after, treat that hookup mechanism 40 and radio access device 42 have promptly had the ability of automatic binding.Yet, when treating that hookup mechanism 40 will add one when having had the WLAN of a plurality of radio access devices, have a plurality of radio access devices that receive the binding request for the treatment of hookup mechanism 40 broadcasting and all verified binding information, also all may allow to treat hookup mechanism 40 and its binding.Treat that in order to make hookup mechanism 40 can only not add WLAN automatically, more can stably link with optimal radio access device, keep The security of wireless LAN simultaneously, present embodiment more is provided with management devices 32, treat that in order to checking hookup mechanism 40 adds the legitimacy of WLAN, and make and treat that hookup mechanism 40 and optimal radio access device link.
Management devices 32 is connected with second communication unit 424 by first communication unit 324 respectively with radio access device 42.First communication unit 324 and second communication unit 424 can be cable network communication interface or wireless network communication interface.Can directly link by cable network between radio access device 42 and the management devices 32, or other radio network device and coupling at interval again, and will treat the device recognition data of hookup mechanism 40, and radio access device 42 and the signal strength information between the hookup mechanism 40 for the treatment of are sent to management devices 32.(NetworkManagement Server NMS), wherein also comprises a device recognized list 320 and a comparing module 322 for a management devices 32 as a network management server.Device recognized list 320 has write down the device identification of a plurality of radio network devices, for example by the input equipment input of administrative staff from management devices 32, with the managing listings of generation device; When treating that hookup mechanism 40 desires add WLAN, comparing module 322 can be according to the record in the device recognized list 320, and the device recognition data that comparison radio access device 42 is transmitted treats with decision whether hookup mechanism 40 can add.When such practice is useful in the enterprise of a large amount of radio network devices or the company's WLAN, can avoid the uncommitted radio network device that enters this LAN to enter arbitrarily, cause the problem of enterprise or intra-company's data outflow, simultaneously also make administrative staff be convenient to manage all radio network devices in WLAN, promoted The security of wireless LAN.
It is received in WLAN that comparing module 322 is more compared management devices 32, comprise the signal strength information that each radio access device of radio access device 42 is transmitted, judge and receive in each radio access device of the binding request for the treatment of that hookup mechanism 40 is sent, which and to treat that signal transmission between the hookup mechanism 40 reaches the most fast stable so that notice is linked with treating hookup mechanism 40 by the strongest radio access device of signal strength information.
Behind the device recognition data and signal strength information that comparing module 322 each radio access device of comparison transmit, promptly transmit an authentication result respectively and give each radio access device, whether link with treating hookup mechanism 40 to notify each radio access device.It is the strongest to suppose that radio access device 42 in the present embodiment is sent to the signal strength information of management devices 32, and the device recognition data for the treatment of hookup mechanism 40 is also identical with a device identification in the device recognized list 320, management devices 32 promptly sends authentication result, and notice radio access device 42 can allow to treat that hookup mechanism 40 links with it automatically.Radio access device 42 produces one according to authentication result and links answer (probe response) news frame, comprise component identifier and automatic protocol identifier in pre-conditioned in link replying, also comprise simultaneously be set to allow to link one link the specified binding pattern of sign and radio access device 42, and send back by second wireless transmission unit 420 and first wireless transmission unit 400 respectively and treat hookup mechanism 40, first processing unit 402 is promptly according to the message in link replying, and has the radio access device 42 that allows the binding sign that links and triggers and link with sending with the binding pattern of appointment.
Fig. 3 provides the calcspar of second embodiment of automatic connecting system of WLAN.The place different with first embodiment, be that radio access device 44 itself integrated the ability of management devices 32 among first embodiment, that is in radio access device 44 except second wireless transmission unit 440, also comprise device recognized list 444, and in second processing unit 442 except linking Information Authentication module 4422, more comprise the comparing module 4420 that is used for comparison device recognition data and signal strength information.Link 4422 checkings of Information Authentication module and treat the binding information of hookup mechanism 40 except radio access device 44 can utilize self, other radio access devices 46 that are arranged in same WLAN also can receive to be treated the binding request that hookup mechanism 40 is broadcasted and verifies.If judge treat that hookup mechanism 40 meets pre-conditioned that radio access device 44 and 46 carries out that automatic protocol links simultaneously after, also can be with signal strength information and the device recognition data for the treatment of hookup mechanism 40, be sent to the comparing module 4420 of radio access device 44, carry out the comparison of above stated specification by comparing module 4420, treat with judgement whether hookup mechanism 40 has the authority that adds this WLAN, and judge which optimum is with treating the radio access device that hookup mechanism 40 links.Radio access device 46 in this example can transmit above-mentioned signal strength information and install recognition data to radio access device 44 by wireless transmission unit; Radio access device 44 then can be transferred to comparing module 4420 and be compared directly after binding data authentication module 4422 verify.The practice of second embodiment is applicable less but still have in the group of security consideration in more small-sized enterprise or scale, both can verify the legitimacy for the treatment of hookup mechanism and guarantee good binding quality, can save the cost that management devices is set again simultaneously.
Fig. 4 is the flow chart of the automatic connecting method embodiment of a kind of WLAN provided by the present invention.Please also refer to Fig. 1 and related description.At first, after treating that hookup mechanism 40 starts power subsystem 406, each radio access device in the WLAN receives the binding request (S501) for the treatment of that hookup mechanism 40 regularly sends, links the binding information that the request that includes in the request and radio access device automatic protocol link.Receiving the radio access device 42 that links request with one of them is example: radio access device 42 judges whether the content in the binding information meets pre-conditioned (S503) of automatic protocol that radio access device 42 is carried out earlier: if the data content in the binding information all conforms to pre-conditioned, treat that hookup mechanism 40 and radio access device 42 promptly have the ability that links automatically mutually.Then, radio access device 42 is also further obtained the device recognition data for the treatment of hookup mechanism 40 from binding information, as the multimedia visit control address, and detect the signal strength information treated between hookup mechanism 40 and this radio access device 42 to a management devices 32 (S505).
After radio access device 42 receives the notice of management devices 32, promptly produce one and link answer, in the middle of replying, this binding comprises that one links the specified binding pattern of sign and radio access device 42, radio access device 42 links sign and is set to allow to link (S513), and transmit this binding and be returned to and treat hookup mechanism 40 (S515), after treating that hookup mechanism 40 receives the binding answer that contains the binding sign that allows binding, promptly according to the binding pattern that links appointment in the answer, the radio access device 42 that contains the binding answer that allows binding with transmission links (S517).
Comparatively speaking, if the device recognition data that hookup mechanism 40 is found to treat in management devices 32 comparison device recognized lists 320 back in step S507 with clear in the neither symbol of device identification, when to judge signal strength that radio access device 42 transmitted again or among the step S509 after the management devices 32 comparison signal strength information be not the strongest, management devices 32 all can send recognition results, and notice radio access device 42 refusals are treated the request (S519) of hookup mechanism 40.
In the middle of the step S503, radio access device 42 judges that whether binding information meets the pre-conditioned detailed process that automatic protocol links, and more comprises each step as shown in Figure 5.At first, radio access device 42 judges whether comprise the binding information (S5031) that is used for the automatic protocol binding in the binding request for the treatment of hookup mechanism 40 transmission earlier, that is in the message that under following 802.11 standards, is transmitted, whether has component identifier and is 221 news frame, if, then continue to judge and be used in the binding information to point out to treat that hookup mechanism 40 desires to carry out the binding identifier that automatic protocol links, and comparison link identifier with pre-conditioned in automatic protocol identifier whether identical (S5033), that is the organization identification in this news frame whether to accord with the particular organization's identifier that is write down with radio access device 42 identical; If also comprise the binding identifier identical in the binding information with the automatic protocol identifier, judge further that then whether the connecting state put down in writing in the binding information is connecting state (S5035) not, that is need to confirm earlier to treat hookup mechanism 40 as yet not with WLAN in other devices situation about linking under, just have and carry out necessity that agreement links, treat that as if knowing hookup mechanism 40 links with any radio network device really as yet according to binding information, then continue to judge and treat whether the binding pattern that hookup mechanism 40 is suitable for can be supported (S5037) by the radio access device, for example in binding information, write down applicable button configuration mode or sequence number connection mode, wherein, if when being suitable for the sequence number connection mode, should more comprise the line sequence number for the treatment of hookup mechanism 40 in the binding information; And the acquiescence of radio access device 42 link pattern also may for above-mentioned pattern one of them or the two all can or neither symbol, when radio access device 42 when treating that hookup mechanism 40 has common mode of connection, promptly specify common mode of connection, be suitable for when linking with preparation.
After above-mentioned steps S5031 passes through to the check of S5037, to represent binding information all to meet and carry out the pre-conditioned of automatic protocol binding, radio access device 42 can continue execution in step S505 and following flow process (consulting Fig. 4); Otherwise, if above-mentioned any one condition does not meet, receive that the radio access device 42 that links request will send the interior binding that is identified at that comprises the refusal binding and reply, be returned to send link request treat hookup mechanism 40 (S521 that consults Fig. 4 is following), treat that hookup mechanism 40 is with regard to the program that links automatically of radio access device 42 therewith not.
Fig. 6 demonstrates the radio access device and sends the program that links after replying from treating the angle of hookup mechanism.At first, after treating that hookup mechanism 40 sends the binding request that comprises binding information to each radio access device, can receive the binding answer of passing back from the radio access device (S601), that is step S515 among Fig. 4 or S523.Treat to check included information in the binding answer after hookup mechanism 40 is received the binding answer, to judge whether to be restore message (S603) relevant for automatic protocol, comprise checking to link in the news frame of replying whether have identical component identifier and automatic protocol identifier, if judge the information that the binding answer links about automatic protocol really according to above-mentioned information, then further judging to link to be designated from the news frame allows binding or refusal to link (S605), if judging the message of link replying has nothing to do and links in automatic protocol, though or the message that links for automatic protocol, but link when being designated the refusal binding, treat that hookup mechanism 40 does not promptly continue to link this radio access device 42 of replying with transmission and links (S607) automatically; Otherwise, when binding is designated when allow linking, treat that hookup mechanism 40 promptly can read out the specified common binding pattern of radio access device 42 from the news frame, and trigger with this specific binding pattern and to link (S609) safely automatically.
Explanation according to the various embodiments described above, but the present invention has fully disclosed a kind of automatic protocol carries out the Radio Network System of wireless network link and radio network device wherein, and link in request and the answer request process between explanation radio network device to be linked and the radio access device, the comparison of the condition of the automatic protocol of process, the device legitimacy judges and best hookup mechanism is chosen mode, does not need manual operation and finishes safe network connections operation automatically to reach.
Yet project and assembly in the middle of the various embodiments described above are given an example by setting forth the present invention, do not limit claimed scope.Allly follow spirit of the present invention and, and carry out a little modification or change, the category that all belongs to the present invention and protected according to disclosed technological means.
Though more than described the specific embodiment of the present invention, it will be understood by those of skill in the art that these only illustrate, protection scope of the present invention is limited by appended claims.Those skilled in the art can make numerous variations or modification to these execution modes under the prerequisite that does not deviate from principle of the present invention and essence, but these changes and modification all fall into protection scope of the present invention.
Claims (12)
1. the automatic connecting method of a WLAN, this WLAN comprise one or more for the radio access devices for the treatment of that hookup mechanism links, it is characterized in that this method comprises:
This radio access device receives this binding request for the treatment of that hookup mechanism sends, comprises the binding information that this treats hookup mechanism in this binding request;
Whether this radio access device detects this binding information and meets one pre-conditioned;
When this links information conforms should be pre-conditioned the time, this radio access device is provided with one and links to be designated and allow binding;
This radio access device transmission comprises that a binding of this connection identifier returns back to this and treats hookup mechanism; And
When this binding of this binding answer was designated the permission binding, this treated that hookup mechanism according to this binding information and this binding answer, is attached to this radio access device that transmits this binding answer.
2. the automatic connecting method of WLAN as claimed in claim 1, it is characterized in that, this binding information comprises: one links identifier, a binding pattern, a connecting state and this treats a device recognition data of hookup mechanism, whether this pre-conditioned automatic protocol identifier that comprises, detect this binding information and meet in this pre-conditioned step and comprise:
Whether detect this binding identifier identical with this automatic protocol identifier;
Detect this connecting state and whether be a connecting state not; And
Whether detect this binding pattern is the default binding pattern that this radio access device is supported.
3. whether the automatic connecting method of WLAN as claimed in claim 2 is characterized in that, detect this binding information and meet in this pre-conditioned step and comprise:
Detect this according to this device recognition data and treat whether hookup mechanism is legitimate device.
4. the automatic connecting method of WLAN as claimed in claim 3 is characterized in that, detects this and treats that whether hookup mechanism is to comprise in the step of legitimate device:
Transmit this device recognition data to a management devices, this management devices writes down one or more device identification; And
When one of them conforms to when this device recognition data and these device identification, judge that this treats that hookup mechanism is a legitimate device.
5. the automatic connecting method of WLAN as claimed in claim 1 is characterized in that, is provided with more to comprise before this binding is designated the step that allows to link:
Obtaining this treats hookup mechanism and receives a signal strength information between this radio access device of this binding request;
Transmit this signal strength information to one management devices, this management devices is in order to compare in this LAN this signal strength information that this radio access device respectively transmits;
Receive this management devices and compare an authentication result of being passed back after this signal strength information, and this binding sign is set according to this authentication result;
Wherein, this binding sign is set to allow the intensity of this signal strength information that this radio access device of linking transmitted the strongest.
6. the automatic connecting method of WLAN as claimed in claim 1 is characterized in that, detects more to comprise after whether this binding information meets this pre-conditioned step:
When this binding information is not inconsistent this when pre-conditioned, this binding is set is designated refusal and links; And
When this binding of this binding answer was designated the refusal binding, this treated that hookup mechanism is not linked to this radio access device.
7. the automatic connecting system of a WLAN is characterized in that, comprising:
One treats hookup mechanism, sends one and links request, comprises a binding information in this binding request; And
Whether one radio access device receives this binding request, detect this binding information and meet one pre-conditionedly, and sends one and links and return back to this and treat hookup mechanism, comprises during this bindings is replied that one links and identifies;
Wherein, this radio access be installed on this binding information conforms this when pre-conditioned, this binding is set is designated and allows to link, this treats that hookup mechanism is attached to this bindings and comprises this radio access device that allows binding in replying.
8. the automatic connecting system of WLAN as claimed in claim 7, it is characterized in that, this binding information more comprises: one links identifier, a binding pattern, a connecting state, and this treats a device recognition data of hookup mechanism, this is pre-conditioned more to comprise: an automatic protocol identifier, a default binding pattern, and a connecting state not.
9. the automatic connecting system of WLAN as claimed in claim 8 is characterized in that, this radio access device more comprises:
One links the data authentication module, according to this binding data of this pre-conditioned detection,
Wherein, this binding data authentication module detects whether this binding identifier is identical with this automatic protocol identifier, whether this binding pattern is this default binding pattern, and whether this connecting state is this not connecting state.
10. the automatic connecting system of WLAN as claimed in claim 7 is characterized in that, this treats hookup mechanism according to a secure links pattern and this binding information, is attached in this binding answer to comprise this radio access device that allows binding.
11. the automatic connecting system of a WLAN is characterized in that, comprising:
One treats hookup mechanism, sends one and links request, comprises a binding information in this binding request; And
Whether a plurality of radio access devices receive this binding request respectively, detect this binding information and meet one pre-conditionedly, and send one and link and return back to this and treat hookup mechanism, comprise during this bindings is replied that one links and identifies;
One management devices, this that receives that those radio access devices transmit respectively treated the signal strength information between hookup mechanism and this radio access device, and comparison this signal strength information and send an authentication result to this radio access device respectively respectively;
Wherein, this radio access is installed on this binding information conforms, and this is pre-conditioned, and when this authentication result points out that this radio access device and this treat that the intensity of this signal strength information of hookup mechanism is the strongest, this binding is set is designated the permission binding, this treats that hookup mechanism and this binding comprise this radio access device foundation binding that allows binding in replying.
12. the automatic connecting system of WLAN as claimed in claim 11, it is characterized in that, this management devices writes down one or more device identification, and receive this device recognition data that this radio access device transmitted and treat to judge this whether hookup mechanism is legitimate device, when one of them conforms to when this device recognition data and those device identification, judge that this treats that hookup mechanism is a legitimate device, wherein, this is pre-conditioned to comprise that more this treats that hookup mechanism is a legitimate device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2010101316770A CN102202301A (en) | 2010-03-24 | 2010-03-24 | Automatic line connection system of wireless local network and method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101316770A CN102202301A (en) | 2010-03-24 | 2010-03-24 | Automatic line connection system of wireless local network and method thereof |
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| CN102202301A true CN102202301A (en) | 2011-09-28 |
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| CN2010101316770A Pending CN102202301A (en) | 2010-03-24 | 2010-03-24 | Automatic line connection system of wireless local network and method thereof |
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Application publication date: 20110928 |