CN103096422B - GAS query method and device - Google Patents
GAS query method and device Download PDFInfo
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- CN103096422B CN103096422B CN201110340110.9A CN201110340110A CN103096422B CN 103096422 B CN103096422 B CN 103096422B CN 201110340110 A CN201110340110 A CN 201110340110A CN 103096422 B CN103096422 B CN 103096422B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W48/00—Access restriction; Network selection; Access point selection
- H04W48/08—Access restriction or access information delivery, e.g. discovery data delivery
- H04W48/14—Access restriction or access information delivery, e.g. discovery data delivery using user query or user detection
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0203—Power saving arrangements in the radio access network or backbone network of wireless communication networks
- H04W52/0206—Power saving arrangements in the radio access network or backbone network of wireless communication networks in access points, e.g. base stations
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W52/00—Power management, e.g. TPC [Transmission Power Control], power saving or power classes
- H04W52/02—Power saving arrangements
- H04W52/0209—Power saving arrangements in terminal devices
- H04W52/0225—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal
- H04W52/0229—Power saving arrangements in terminal devices using monitoring of external events, e.g. the presence of a signal where the received signal is a wanted signal
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
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Abstract
The invention discloses a kind of GAS query method and device, relate to the communications field, expend time in long during for solving to inquire about multiple AP external network information supported and expend the problem that power supply is too much.The method include that and receive the STA GAS initial request message sent, described GAS initial request message includes AP list；Obtain the external network information that in described AP list, each AP supports；The external network information supported of each AP in described AP list is sent to described STA.Sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；Receive the described AP GAS initial communication message returned, obtain, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.The present invention is applicable to the communications field, for carrying out GAS query in a wlan.
Description
Technical field
The present invention relates to the communications field, particularly relate to a kind of GAS (GenericAdvertisementServices, generic advertisement service) querying method and device.
Background technology
WLAN (WirelessLocalAreaNetwork, WLAN) is a kind of wireless network access way.Owing to self possessing good mobility and reliability, WLAN technology obtains increasingly extensive application in recent years.The element of WLAN is BSS (BasicServiceSet, Basic Service Set), and described BSS is made up of the multiple STA (Station, website) in a certain particular coverage.The STA possessing full-time administrative BSS in BSS network is referred to as AP (AccessPoint, access point), and the STA in this BSS network is associated with AP.When STA requires connect to external network, can by scanning probe to multiple AP, then according to scanning result, the plurality of AP or some AP of therefrom selecting is initiated GAS (GenericAdvertisementServices successively, generic advertisement service) inquire about to obtain each AP external network information supported, thus selecting available AP, and it is associated with this AP to be connected to external network.
In the process realizing the present invention, inventor have found that in prior art, at least there are the following problems:
Owing to an AP can only be carried out GAS query by STA every time, when STA needs to inquire about multiple AP external network information supported, it is necessary to repeatedly repeated priming GAS query mechanism, not only expend power supply, and STA searches available network and needs to expend the long period, Consumer's Experience is poor.
Summary of the invention
Embodiments of the invention provide a kind of GAS query method and device, it is possible to obtain multiple AP external network information supported so that STA can more fast search available network, and can save the energy simultaneously.
For reaching above-mentioned purpose, embodiments of the invention adopt the following technical scheme that
On the one hand, embodiments provide a kind of GAS query method, including:
Receiving the STA GAS initial request message sent, described GAS initial request message includes AP list；
Obtain the external network information that in described AP list, each AP supports；
The external network information supported of each AP in described AP list is sent to described STA.
On the other hand, the embodiment of the present invention additionally provides a kind of GAS query method, including:
Sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；
Receive the described AP GAS initial communication message returned, obtain, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
Another further aspect, the embodiment of the present invention additionally provides a kind of access point AP, it is possible to carrying out GAS query, described AP includes:
First receives unit, and for receiving the STA GAS initial request message sent, described GAS initial request message includes AP list；
Acquiring unit, for obtaining the external network information that in described AP list, each AP supports；
First transmitting element, for sending the external network information supported of each AP in described AP list to described STA.
Another aspect, the embodiment of the present invention additionally provides a kind of site STA, it is possible to carrying out GAS query, described STA includes:
Second transmitting element, for sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；
Second receives unit, for receiving the described AP GAS initial communication message returned, obtains, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
On the other hand, the embodiment of the present invention additionally provides a kind of generic advertisement service GAS query system, including above-mentioned access point AP and site STA.
The GAS query method of embodiment of the present invention offer and device, by carrying the external network information that AP list is supported to obtain multiple AP in GAS initial request message.Compared with prior art, the method that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Accompanying drawing explanation
In order to be illustrated more clearly that the embodiment of the present invention or technical scheme of the prior art, the accompanying drawing used required in embodiment or description of the prior art will be briefly described below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the premise not paying creative work, it is also possible to obtain other accompanying drawing according to these accompanying drawings.
The schematic flow sheet of the method that Fig. 1 provides for one embodiment of the invention；
The schematic flow sheet of the method that Fig. 2 provides for another embodiment of the present invention；
The schematic flow sheet of the method that Fig. 3 provides for yet another embodiment of the invention；
The structural representation of the Fig. 4 AP list for providing in embodiment illustrated in fig. 3 of the present invention；
The schematic flow sheet of the method that Fig. 5 provides for yet another embodiment of the invention；
The structural representation of the access point AP that Fig. 6 to Fig. 9 provides for further embodiment of this invention；
The structural representation of the site STA that Figure 10 to Figure 14 provides for further embodiment of this invention.
Detailed description of the invention
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is clearly and completely described, it is clear that described embodiment is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, the every other embodiment that those of ordinary skill in the art obtain under not making creative work premise, broadly fall into the scope of protection of the invention.
One embodiment of the invention provides a kind of GAS query method, as it is shown in figure 1, described method includes:
101, AP receives the STA GAS initial request message sent, and described GAS initial request message includes AP list.
Concrete, described AP list includes the mark of the described STA all AP detected, or the mark of the part AP in all AP of detecting of described STA, does not limit herein.
102, AP obtains the external network information that in described AP list, each AP supports.
Concrete, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
103, the external network information supported of each AP in described AP list is sent to described STA.
The GAS query method that the embodiment of the present invention provides, by carrying the external network information that AP list is supported to obtain multiple AP in GAS initial request message.Compared with prior art, the method that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Another embodiment of the present invention provides a kind of GAS query method, as in figure 2 it is shown, described method includes:
201, STA sends GAS initial request message to an AP, so that a described AP obtains external network information, described GAS initial request message includes AP list.
Concrete, described AP list can include the mark of the current site STA all AP detected, or the mark of part AP in all AP that described current STA detects, wherein, the mark of described part AP includes current STA and indicates the mark of selected AP according to user, or all AP that current STA detects meet the mark of the AP of STA self preset rules, but is not limited only to this.
What deserves to be explained is, a described AP is the AP receiving the STA GAS initial query sent request message, it is possible to be STA random selected AP from described AP list, it is also possible to STA indicates a selected AP according to user, does not limit herein.
202, STA receives the described AP GAS initial communication message returned, and obtains, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
Concrete, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
The GAS query method that the embodiment of the present invention provides, by carrying the external network information that AP list is supported to obtain multiple AP in the GAS initial request message sent to AP.Compared with prior art, the method that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Yet another embodiment of the invention provides a kind of GAS query method, as it is shown on figure 3, described method includes:
301, STA starts GAS query mechanism, it is determined that GAS query object, generates AP list according to described GAS query object, and described AP list includes the mark of each AP in described GAS query object.
Concrete, described GAS query object can be the STA all AP arrived by scanning probe, can also be that (such as STA indicates the mark of selected part AP according to user for the mark of part AP in the STA all AP detected, or all AP that current STA detects meet the mark of the part AP of STA self preset rules), do not limit herein.
In order to make it easy to understand, embodiments provide the structural representation of a kind of AP list, as shown in Figure 4, described AP list may include that
Component identification field 41, is treat the AP list of GAS query for characterizing current string information, and its value is currently without any integer value by the 802.11 defined purposes of agreement；
Length field 42, for characterizing the length of AP list field 43；
AP list field 43, for recording the identification information of each AP in AP list.
Concrete, in described AP list field 43, each AP identifier can be made up of SSID (service set identifier) field 431 and/or BSSID (BSSID) field 432, wherein, ssid field occupies 32 bit bytes, and BSSID field occupies 6 bit bytes.
Being worth explanation, the AP list structure schematic diagram shown in Fig. 4 is only the one of embodiment of the present invention AP list structure, and the AP list structure in the embodiment of the present invention is not limited to this.
302, STA determines that from described GAS query object an initial query object is as an AP, sends GAS query initial request message to a described AP.
Concrete, STA can select an AP as an AP at random from described AP list, it is also possible to indicates a selected AP as an AP according to user, does not limit herein.
What deserves to be explained is, also include inquiry request in described GAS initial request message, described inquiry request inquires about, for indicating the AP receiving described GAS query initial request message, the external network information that in described AP list, each AP supports.
303, an AP receives the STA GAS initial request message sent, and described GAS initial request message is resolved, obtains the mark of each AP in described AP list.
304, the mark of each AP in described inquiry request and described AP list is sent to AS (AdvertisementServer by an AP, announcement server), to obtain the external network information that in described AP list, each AP supports, wherein, AS can provide each AP external network information supported.
305, AS receives the mark of each AP in described inquiry request and described AP list, inquires about the external network information that in described AP list, each AP supports.
306, an AP receives the AS query response message returned, and described query response message includes the external network information that in described AP list, each AP supports.
307, an AP sends GAS initial communication message to described STA, and described GAS initial communication message includes the external network information that in described AP list, each AP supports.
What deserves to be explained is, if the query response message length that AS returns is long, cause when described GAS initial communication message disposable cannot carry the external network information that in described AP list, each AP supports, the external network information burst that each AP in described AP list supports can be sent to STA by an AP.Such as, oneth AP can carry delay query time in described GAS initial communication message, so that described STA through described carry delay query time after, send at least one GAS recovery request message successively to a current AP and recover response message to receive corresponding GAS, and therefrom obtain the external network information that in remaining described AP list, each AP supports.
Optionally, the present embodiment can also comprise the steps 308-309:
308, STA obtains and postpones query time, after described delay query time, sends GAS recovery request message to an AP.
309, after an AP receives GAS recovery request message, returning GAS to STA and recover response message, described GAS recovers to carry, in response message, the external network information that in remaining AP list, each AP supports.
What deserves to be explained is, if the external network information that after step 309, in AP list, each AP supports is but without being sent, then STA continues to send GAS recovery request message to a current AP and recovers response message to receive corresponding GAS, and therefrom obtains the external network information that in remaining described AP list, each AP supports.
310, STA selectes accessible external network according to the external network information supported of each AP in described AP list, it is determined that the AP that this external network is corresponding, and is associated with this AP to access this external networks.
The GAS query method that the embodiment of the present invention provides, by carrying the external network information that AP list is supported to obtain multiple AP in GAS initial request message.Compared with prior art, the method that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Yet another embodiment of the invention provides a kind of GAS query method, it is possible to inquire about multiple AP external network information supported when AP adopts asynchronous response mechanism, as it is shown in figure 5, described method includes:
501, STA starts GAS query mechanism, it is determined that GAS query object, generates AP list according to described GAS query object, and described AP list includes the mark of each AP in described GAS query object.
Concrete, described GAS query object can be the STA all AP arrived by scanning probe, it is also possible to is the mark of part AP in the STA all AP detected, does not limit herein.
502, STA determines that from described GAS query object the first initial query object is as an AP, sends GAS initial request message to a described AP.
Concrete, STA can select an AP as an AP at random from described AP list, it is also possible to indicates a selected AP as an AP according to user, does not limit herein.
What deserves to be explained is, also include inquiry request in described GAS initial request message, described inquiry request inquires about, for indicating the AP receiving described GAS query initial request message, the external network information that in described AP list, each AP supports.
503, an AP receives the STA GAS initial request message sent, and described GAS initial request message is resolved, obtains the mark of each AP in described AP list.
504, the mark of each AP in described inquiry request and described AP list is sent to AS by an AP, and to obtain the external network information that in described AP list, each AP supports, wherein, AS can provide each AP external network information supported.
505, an AP sends GAS initial communication message to STA, carries delay query time in described GAS initial communication message, so that described STA sends GAS recovery request message according to described delay query time to current AP.
506, an AP obtains the AS query response message returned, and described query response message includes the external network information that in described AP list, each AP supports.
507, when STA obtains delay query time, GAS recovery request message is sent according to described delay query time to an AP.
508, after an AP receives GAS recovery request message, returning GAS to STA and recover response message, described GAS recovers to carry, in response message, the external network information that in AP list, each AP supports.
What deserves to be explained is, if the query response message length that AS returns is long, cause that, when described GAS recovery response message disposable cannot carry the external network information that in described AP list, each AP supports, an AP can be sent to STA by the external network information burst that each AP in described AP list is supported by the GAS recovery request message of STA.Such as, oneth AP can recover to arrange the first sign in response message at described GAS, described first sign is used for indicating STA to continue to send at least one GAS recovery request message successively to a current AP and recovers response message to receive corresponding GAS, and therefrom obtains the external network information that in remaining described AP list, each AP supports.
509, STA selectes accessible external network according to the external network information supported of each AP in described AP list, it is determined that the AP that this external network is corresponding, and is associated with this AP to access this external networks.
The GAS query method that the embodiment of the present invention provides, it is possible to when AP adopts asynchronous response mechanism, by carrying the external network information that AP list is supported to obtain multiple AP in GAS initial request message.Compared with prior art, the method that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Further embodiment of this invention provides a kind of access point AP, it is possible to realizing the method for AP side in said method embodiment, as shown in Figure 6, described AP includes:
First receives unit 61, and for receiving the STA GAS initial request message sent, described GAS initial request message includes AP list；
Acquiring unit 62, for obtaining the external network information that in described AP list, each AP supports；
First transmitting element 63, for sending the external network information supported of each AP in described AP list to described STA.
Concrete, the described first GAS initial request message receiving unit 61 reception also includes inquiry request, described inquiry request inquires about, for indicating current AP, the external network information that in described AP list, each AP supports, wherein, described AP list includes the mark of the described STA all AP detected, or the mark of the part AP in all AP that described STA detects, but it is not limited only to this.
Further, as it is shown in fig. 7, described acquiring unit 62 includes the first transmission subelement 621 and first receives subelement 622, wherein:
First sends subelement 621 for the mark of each AP in described inquiry request and described AP list is sent to announcement server, and described announcement server is for providing each AP external network information supported；
First receives subelement 622 for receiving the query response message that described announcement server returns, and described query response message includes the external network information that in described AP list, each AP supports.
Further, as shown in Figure 8, described first transmitting element 63 includes the second transmission subelement 631, for when current AP adopts sync response mechanism, sending GAS initial communication message to described STA, described GAS initial communication message includes the external network information that in described AP list, each AP supports.
Concrete, described second sends subelement 631 is additionally operable to when described query response message length is long, described GAS initial communication message cause when disposable cannot carry the external network information that in described AP list, each AP supports, described GAS initial communication message carries delay query time, so that described STA through described carry delay query time after, send at least one GAS recovery request message successively to current AP and recover response message to receive corresponding GAS, therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
Further, as it is shown in figure 9, described first transmitting element 63 also includes the 3rd transmission subelement 632, second receives subelement 633 and the 4th transmission subelement 634, wherein:
3rd sends subelement 632 for when current AP adopts asynchronous response mechanism, GAS initial communication message is sent to described STA, described GAS initial communication message carries delay query time, so that described STA is after described delay query time, send GAS recovery request message to current AP；
Second receives subelement 633 for receiving the described STA GAS recovery request message sent；
4th sends subelement 634 recovers response message for sending GAS to described STA, and described GAS recovers response message and includes the external network information that in described AP list, each AP supports.
Concrete, described 4th sends subelement 634 is additionally operable to when described query response message length is long, described GAS recovery response message cause when disposable cannot carry the external network information that in described AP list, each AP supports, recover response message arranges the first sign at described GAS, described first sign is used for indicating STA to continue to send at least one GAS recovery request message successively to current AP and recovers response message to receive corresponding GAS, and therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
The AP that the embodiment of the present invention provides can carry out GAS query, received unit 51 by first and obtain AP list, acquiring unit 52 obtains the external network information that in described AP list, each AP supports, the first transmitting element 53 send the external network information supported of each AP in described AP list to described STA.Compared with prior art, the AP that the embodiment of the present invention provides enables to STA and obtains multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
Another embodiment of the present invention additionally provides a kind of site STA, it is possible to realizing the method for STA side in said method embodiment, as shown in Figure 10, described STA includes:
Second transmitting element 101, for sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；
Second receives unit 102, for receiving the described AP GAS initial communication message returned, obtains, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
Concrete, the GAS initial request message that described second transmitting element 101 sends also includes inquiry request, described inquiry request inquires about, for indicating a described AP, the external network information that in described AP list, each AP supports；
Further, as shown in figure 11, described STA also includes:
Determine unit 103, for determining AP list, described AP list includes the mark of the current site STA all AP detected, or the mark of part AP in all AP that described current STA detects, wherein, the mark of described part AP includes current STA and indicates the mark of selected AP according to user, or meets the mark of the AP of STA self preset rules in all AP that currently STA detects.
Further, as shown in figure 12, described second receives unit 102 includes the 3rd reception subelement 1021 and the first acquisition subelement 1022, and described STA specifically also includes the 3rd transmitting element 104 and the 3rd and receives unit 105, wherein:
3rd receives subelement 1021 for when a described AP adopts sync response mechanism, receiving described GAS initial communication message, and described GAS initial communication message includes the external network information that in described AP list, each AP supports；
First obtains subelement 1022 for obtaining, from described GAS initial communication message, the external network information that in described AP list, each AP supports.
Concrete, 3rd transmitting element 104 for when the described 3rd receives and carries delay query time in the described GAS initial communication message that subelement 1021 receives, through described carry delay query time after send at least one GAS recovery request message successively to a described AP and recover response message to receive corresponding GAS；
3rd receives unit 105 recovers response message for receiving the described AP GAS returned, therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
AP according to Figure 11, further, as shown in figure 13, described second receives unit 102 includes the 4th reception subelement 1023, and described STA specifically also includes the 4th transmitting element 106 and the 4th and receives unit 107, wherein:
4th receives subelement 1023 for when a described AP adopts asynchronous response mechanism, receiving the described AP GAS initial communication message returned, and described GAS initial communication message includes postponing query time.
4th transmitting element 106 is for, after described delay query time, sending GAS recovery request message to a described AP, to obtain the described AP GAS recovery response message returned；
4th receives unit 107 recovers response message for receiving the described AP GAS returned, recover response message obtains the external network information that in described AP list, each AP supports from described GAS, wherein, described GAS recovery response message includes the external network information that in described AP list, each AP supports.
Further, as shown in figure 14, described STA also includes the 5th transmitting element 108 and the 5th and receives unit 109, wherein:
5th transmitting element 108 is for when the described 4th receives and carry delay query time in the GAS recovery response message that unit 107 receives, through described carry delay query time after, to a described AP send successively at least one GAS recovery request message with receive corresponding GAS recover response message；
5th receives unit 109 recovers response message for receiving the described AP GAS returned, and therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
The STA that the embodiment of the present invention provides can carry out GAS query, the second transmitting element 101 send GAS initial request message to first, carry AP list in described GAS initial request message；Received unit 102 by second and receive the AP GAS initial communication message returned, and then obtain the external network information that in described AP list, each AP supports.Compared with prior art, the STA that the embodiment of the present invention provides can obtain multiple AP external network information supported simultaneously, determines accessible network comparatively efficiently, can also reduce power consumption simultaneously, saves power supply.
The embodiment of the present invention additionally provides a kind of generic advertisement service GAS query system, including the site STA shown in Figure 10-Figure 14 of the access point AP sum shown in Fig. 6-Fig. 9
Through the above description of the embodiments, those skilled in the art is it can be understood that can add the mode of required common hardware by software to the present invention and realize, naturally it is also possible to by hardware, but in a lot of situation, the former is embodiment more preferably.Based on such understanding, the part that prior art is contributed by technical scheme substantially in other words can embody with the form of software product, this computer software product is stored in the storage medium that can read, floppy disk such as computer, hard disk or CD etc., including some instructions with so that a computer equipment (can be personal computer, server, or the network equipment etc.) performs the method described in each embodiment of the present invention.
The above; being only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, any those familiar with the art is in the technical scope that the invention discloses; change can be readily occurred in or replace, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion with described scope of the claims.
Claims (29)
1. a generic advertisement service GAS query method, it is characterised in that including:
The GAS initial request message that receiving station STA sends, described GAS initial request message includes access point AP list；Described AP list comprises: AP list field, and described AP list field comprises the identification information of at least one AP, and the identification information of described AP is made up of service set identifier ssid field and/or BSSID BSSID field；
Obtain the external network information that in described AP list, each AP supports；
The external network information supported of each AP in described AP list is sent to described STA.
2. method according to claim 1, it is characterized in that, described GAS initial request message also includes inquiry request, described inquiry request inquires about, for indicating current AP, the external network information that in described AP list, each AP supports, wherein, described AP list includes the mark of the described STA all AP detected, or the mark of part AP in all AP of detecting of described STA.
3. method according to claim 2, it is characterised in that the external network information that in described acquisition described AP list, each AP supports includes:
The mark of each AP in described inquiry request and described AP list is sent to announcement server, and described announcement server is for providing each AP external network information supported；
Receiving the query response message that described announcement server returns, described query response message includes the external network information that in described AP list, each AP supports.
4. method according to claim 3, it is characterised in that when current AP adopts sync response mechanism, the described extremely described STA that the external network information supported of each AP in described AP list sent includes:
Sending GAS initial communication message to described STA, described GAS initial communication message includes the external network information that in described AP list, each AP supports.
5. method according to claim 4, it is characterized in that, when described query response message length is long, when causing that described GAS initial communication message disposable cannot carry the external network information that in described AP list, each AP supports, described GAS initial communication message carries delay query time, so that described STA through described carry delay query time after, send at least one GAS recovery request message successively to current AP and recover response message to receive corresponding GAS, therefrom obtain the external network information that in remaining described AP list, each AP supports.
6. method according to claim 3, it is characterised in that when current AP adopts asynchronous response mechanism, the described extremely described STA that the external network information supported of each AP in described AP list sent includes:
Described by after in described inquiry request and described AP list, the mark of each AP is sent to announcement server, GAS initial communication message is sent to described STA, described GAS initial communication message carries delay query time, so that described STA, after described delay query time, is sending GAS recovery request message to current AP；
After the query response message that the described announcement server of described reception returns, also include:
Receive the described STA GAS recovery request message sent；
Sending GAS to described STA and recover response message, described GAS recovers response message and includes the external network information that in described AP list, each AP supports.
7. method according to claim 6, it is characterized in that, when described query response message length is long, cause that described GAS recovers response message when disposable cannot carry the external network information that in described AP list, each AP supports, recover response message arranges the first sign at described GAS, described first sign is used for indicating described STA to continue to send at least one GAS recovery request message successively to current AP and recovers response message to receive corresponding GAS, and therefrom obtains the external network information that in remaining described AP list, each AP supports.
8. the method according to any one in claim 1-7, it is characterised in that the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
9. a generic advertisement service GAS query method, it is characterised in that including:
Sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；Described AP list comprises: AP list field, and described AP list field comprises the identification information of at least one AP, and the identification information of described AP is made up of service set identifier ssid field and/or BSSID BSSID field；
Receive the described AP GAS initial communication message returned, obtain, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
10. method according to claim 9, it is characterised in that also include inquiry request in described GAS initial request message, described inquiry request inquires about, for indicating a described AP, the external network information that in described AP list, each AP supports；
Described before the first access point AP transmission GAS initial request message, also include:
Determine AP list, described AP list includes the mark of the current site STA all AP detected, or the mark of part AP in all AP that described current STA detects, wherein, the mark of described part AP includes current STA and indicates the mark of selected AP according to user, or meets the mark of the AP of STA self preset rules in all AP that currently STA detects.
11. method according to claim 10, it is characterized in that, when a described AP adopts sync response mechanism, the GAS initial communication message that the described AP of described reception returns, obtain, according to described GAS initial communication message, the external network information that in described AP list, each AP supports and include:
Receiving described GAS initial communication message, described GAS initial communication message includes the external network information that in described AP list, each AP supports；
Obtain, from described GAS initial communication message, the external network information that in described AP list, each AP supports.
12. method according to claim 11, it is characterized in that, when described GAS initial communication message disposable cannot carry the external network information that in described AP list, each AP supports, a described AP carries delay query time in described GAS initial communication message, so that current STA through described carry delay query time after, send at least one GAS recovery request message successively to a described AP and recover response message to receive corresponding GAS, and therefrom obtain the external network information that in remaining described AP list, each AP supports.
13. method according to claim 10, it is characterized in that, when a described AP adopts asynchronous response mechanism, the GAS initial communication message that the described AP of described reception returns, obtain, according to described GAS initial communication message, the external network information that in described AP list, each AP supports and include:
Receiving the described AP GAS initial communication message returned, described GAS initial communication message includes postponing query time；
After described delay query time, send GAS recovery request message to a described AP, to obtain the described AP GAS recovery response message returned；
Receiving the described AP GAS returned and recover response message, described GAS recovers response message and includes the external network information that in described AP list, each AP supports；
Recover response message obtains the external network information that in described AP list, each AP supports from described GAS.
14. method according to claim 13, it is characterized in that, when described GAS recovery response message disposable cannot carry the external network information that in described AP list, each AP supports, a described AP recovers to carry delay query time in response message at described GAS, so that current STA through described carry delay query time after, send at least one GAS recovery request message successively to a described AP and recover response message to receive corresponding GAS, and therefrom obtain the external network information that in remaining described AP list, each AP supports.
15. the method according to any one of claim 9-14, it is characterised in that the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
16. an access point AP, it is characterised in that including:
First receives unit, and for the receiving station STA GAS initial request message sent, described GAS initial request message includes access point AP list；Described AP list comprises: AP list field, and described AP list field comprises the identification information of at least one AP, and the identification information of described AP is made up of service set identifier ssid field and/or BSSID BSSID field；
Acquiring unit, for obtaining the external network information that in described AP list, each AP supports；
First transmitting element, for sending the external network information supported of each AP in described AP list to described STA.
17. access point according to claim 16, it is characterized in that, the described first GAS initial request message receiving unit reception also includes inquiry request, described inquiry request inquires about, for indicating current AP, the external network information that in described AP list, each AP supports, wherein, described AP list includes the mark of the described STA all AP detected, or the mark of the part AP in all AP of detecting of described STA.
18. access point according to claim 17, it is characterised in that described acquiring unit includes:
First sends subelement, and for the mark of each AP in described inquiry request and described AP list is sent to announcement server, described announcement server is for providing each AP external network information supported；
First receives subelement, and for receiving the query response message that described announcement server returns, described query response message includes the external network information that in described AP list, each AP supports.
19. access point according to claim 18, it is characterised in that described first transmitting element includes:
Second sends subelement, and for when current AP adopts sync response mechanism, sending GAS initial communication message to described STA, described GAS initial communication message includes the external network information that in described AP list, each AP supports.
20. access point according to claim 19, it is characterized in that, described second sends subelement is additionally operable to when described query response message length is long, described GAS initial communication message cause when disposable cannot carry the external network information that in described AP list, each AP supports, described GAS initial communication message carries delay query time, so that described STA through described carry delay query time after, send at least one GAS recovery request message successively to current AP and recover response message to receive corresponding GAS, therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
21. access point according to claim 18, it is characterised in that described first transmitting element also includes:
3rd sends subelement, for when current AP adopts asynchronous response mechanism, sending GAS initial communication message to described STA, described GAS initial communication message carry delay query time, so that described STA is after described delay query time, send GAS recovery request message to current AP；
Second receives subelement, for receiving the described STA GAS recovery request message sent；
4th sends subelement, recovers response message for sending GAS to described STA, and described GAS recovers response message and includes the external network information that in described AP list, each AP supports.
22. access point according to claim 21, it is characterized in that, described 4th sends subelement is additionally operable to when described query response message length is long, described GAS recovery response message cause when disposable cannot carry the external network information that in described AP list, each AP supports, recover response message arranges the first sign at described GAS, described first sign is used for indicating described STA to continue to send at least one GAS recovery request message successively to current AP and recovers response message to receive corresponding GAS, and therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
23. a site STA, it is characterised in that including:
Second transmitting element, for sending GAS initial request message to the first access point AP, so that a described AP obtains external network information, described GAS initial request message includes AP list；Described AP list comprises: AP list field, and described AP list field comprises the identification information of at least one AP, and the identification information of described AP is made up of service set identifier ssid field and/or BSSID BSSID field；
Second receives unit, for receiving the described AP GAS initial communication message returned, obtains, according to described GAS initial communication message, the external network information that in described AP list, each AP supports.
24. website according to claim 23, it is characterized in that, also including inquiry request in the GAS initial request message that described second transmitting element sends, described inquiry request inquires about, for indicating a described AP, the external network information that in described AP list, each AP supports；
Described website also includes:
Determine unit, for determining AP list, described AP list includes the mark of the current site STA all AP detected, or the mark of part AP in all AP that described current STA detects, wherein, the mark of described part AP includes current STA and indicates the mark of selected AP according to user, or meets the mark of the AP of STA self preset rules in all AP that currently STA detects.
25. website according to claim 24, it is characterised in that described second receives unit includes:
3rd receives subelement, and for when a described AP adopts sync response mechanism, receiving described GAS initial communication message, described GAS initial communication message includes the external network information that in described AP list, each AP supports；
First obtains subelement, for obtaining, from described GAS initial communication message, the external network information that in described AP list, each AP supports.
26. website according to claim 25, it is characterised in that described website also includes:
3rd transmitting element, for when described 3rd receive subelement receive described GAS initial communication message in carry delay query time time, through described carry delay query time after to a described AP send successively at least one GAS recovery request message with receive corresponding GAS recover response message；
3rd receives unit, response message is recovered for receiving the described AP GAS returned, therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
27. website according to claim 24, it is characterised in that described second receives unit includes:
4th receives subelement, and for when a described AP adopts asynchronous response mechanism, receiving the described AP GAS initial communication message returned, described GAS initial communication message includes postponing query time；
Described website also includes:
4th transmitting element, for, after described delay query time, sending GAS recovery request message to a described AP, to obtain the described AP GAS recovery response message returned；
4th receives unit, response message is recovered for receiving the described AP GAS returned, recover response message obtains the external network information that in described AP list, each AP supports from described GAS, wherein, described GAS recovery response message includes the external network information that in described AP list, each AP supports.
28. website according to claim 27, it is characterised in that described website also includes:
5th transmitting element, for when the described 4th receives and carries delay query time in the GAS recovery response message that unit receives, through described carry delay query time after, to a described AP send successively at least one GAS recovery request message with receive corresponding GAS recover response message；
5th receives unit, response message is recovered for receiving the described AP GAS returned, and therefrom obtain the external network information that in remaining described AP list, each AP supports, wherein, the external network information that described AP supports includes the list of roaming alliance, the service quality QOS of external network maps, 3GPP cellular network information.
29. a generic advertisement service GAS query system, it is characterised in that include the access point AP described in any one of claim 16-22 and the site STA described in any one of claim 23-28.
Priority Applications (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610459184.7A CN106131925B (en) | 2011-11-01 | 2011-11-01 | GAS (generic Access service) query method and device |
| CN201110340110.9A CN103096422B (en) | 2011-11-01 | 2011-11-01 | GAS query method and device |
| PCT/CN2012/078906 WO2013063957A1 (en) | 2011-11-01 | 2012-07-20 | Gas query method and device |
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| CN201110340110.9A CN103096422B (en) | 2011-11-01 | 2011-11-01 | GAS query method and device |
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| CN201610459184.7A Division CN106131925B (en) | 2011-11-01 | 2011-11-01 | GAS (generic Access service) query method and device |
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| CN103096422A CN103096422A (en) | 2013-05-08 |
| CN103096422B true CN103096422B (en) | 2016-07-27 |
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| CN201110340110.9A Active CN103096422B (en) | 2011-11-01 | 2011-11-01 | GAS query method and device |
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| RU2726860C1 (en) * | 2016-08-12 | 2020-07-16 | Нек Корпорейшн | Communication network supporting network cutting |
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| WO2015081520A1 (en) * | 2013-12-04 | 2015-06-11 | 华为技术有限公司 | Wi-fi system-based method and device for establishing a link between stations |
| CN104754642B (en) * | 2013-12-30 | 2019-03-01 | 华为终端（东莞）有限公司 | A kind of service-seeking method, apparatus and system and website |
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| CN103096422A (en) | 2013-05-08 |
| WO2013063957A1 (en) | 2013-05-10 |
| CN106131925A (en) | 2016-11-16 |
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