CN101594578A - The method for building up of direct connected link, station equipment and communication system - Google Patents
The method for building up of direct connected link, station equipment and communication system Download PDFInfo
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- CN101594578A CN101594578A CNA2008100284173A CN200810028417A CN101594578A CN 101594578 A CN101594578 A CN 101594578A CN A2008100284173 A CNA2008100284173 A CN A2008100284173A CN 200810028417 A CN200810028417 A CN 200810028417A CN 101594578 A CN101594578 A CN 101594578A
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Abstract
The embodiment of the invention discloses a kind of method for building up of direct connected link, comprising: utilize the mutual direct-connected message of setting up of first kind wireless medium, this direct-connected message of setting up is used to consult to confirm to utilize the second type wireless medium to set up the parameter of direct connected link; According to the parameter that described negotiation is confirmed, utilize the described second type wireless medium to set up described direct connected link.The embodiment of the invention also discloses a kind of station equipment, a kind of communication system.Adopt the embodiment of the invention, can solve when there are not AP in the AP that does not have the association of two WIFI terminals or surrounding enviroment, two WIFI terminals still can utilize WIFI to set up direct connected link.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of method for building up of direct connected link, a kind of station equipment and a kind of communication system.
Background technology
Institute of electrical and electronic engineers (Institute of Electrical and Electronics Engineers, IEEE) the 802.11z standard is that research is connected to same access point (Access Point, AP) two Wireless Fidelity (Wireless Fidelity on, WIFI) terminal (is a station equipment, STATION, abbreviate STA as) between the data channel that provides by AP carry out interacting message, thereby set up the mechanism of direct connected link, as shown in Figure 1, because the interactive messages in the process set up of two WIFI terminal room direct connected links is to be encapsulated in the Frame of two WIFI terminals by the data channel transmission of AP to transmit, so the process of setting up of such direct connected link be called again the tunnel direct-connected set up pattern (Tunneled Direct Link Setup, TDLS).According to the TDLS mechanism that present IEEE802.11z standard provides, the foundation of two WIFI terminal room direct connected links must depend on the data channel of setting up by AP, and two WIFI terminals that require to set up direct connected link are associated with same AP.
About the foundation of direct connected link between two WIFI terminals, introduced two kinds of methods at present among the IEEE802.11:
One is that a WIFI terminal sends the direct-connected request message of setting up of setting up direct connected link with the 2nd WIFI terminal to the AP of own current association, by this AP this direct-connected request message of setting up is resolved identification, and should direct-connectedly set up request message and further be forwarded to the 2nd WIFI terminal, the 2nd WIFI terminal will send to AP to the direct-connected response message of setting up of setting up request message, and by further being forwarded to a WIFI terminal after the AP parsing identification;
The 2nd, earlier by a WIFI terminal, the 2nd WIFI terminal is set up a data passage by AP, when WIFI terminal desire is set up direct connected link with the 2nd WIFI terminal, the one WIFI terminal sends the direct-connected request message (being packaged in the Frame) of setting up by the current described data channel of having set up to the 2nd WIFI terminal, directly the direct-connected request message of setting up is discerned parsing by the 2nd WIFI terminal, and the direct-connected response message of setting up sent to a WIFI terminal by described data channel, receive that a direct-connected WIFI terminal of setting up response message sends the direct-connected acknowledge message of setting up by same mode to the 2nd WIFI terminal again, under this pattern, the direct-connected message of setting up of the one WIFI terminal and the 2nd WIFI terminal interaction is directly to transmit by the Frame encapsulation, so this pattern is also referred to as TDLS.
But because the direct connected link of two WIFI terminal rooms of prior art is set up the AP that process all needs to depend on the current association of two WIFI terminals, and two WIFI terminals that require to set up direct connected link are associated with same AP simultaneously, therefore, when there be not AP in the AP that does not have the association of two WIFI terminals or surrounding enviroment, two WIFI terminals just can't be set up direct connected link.
Summary of the invention
Embodiment of the invention technical problem to be solved is, a kind of method for building up of direct connected link, a kind of station equipment and a kind of communication system are provided, can solve when there are not AP in the AP that does not have the association of two WIFI terminals or surrounding enviroment, two WIFI terminals can be set up direct connected link.
In order to solve the problems of the technologies described above, the embodiment of the invention has proposed a kind of method for building up of direct connected link, comprising:
Utilize the mutual direct-connected message of setting up of first kind wireless medium, this direct-connected message of setting up is used to consult to confirm to utilize the second type wireless medium to set up the parameter of direct connected link;
According to the parameter that described negotiation is confirmed, utilize the described second type wireless medium to set up described direct connected link.
Correspondingly, the embodiment of the invention also provides a kind of station equipment, comprising:
First kind wireless medium unit utilizes the mutual direct-connected message of setting up of first kind wireless medium, and this direct-connected message of setting up is used to consult to confirm to utilize the second type wireless medium to set up the parameter of direct connected link;
The second type wireless medium unit according to the parameter that affirmation is consulted in described first kind wireless medium unit, utilizes the described second type wireless medium to set up described direct connected link.
Correspondingly, the embodiment of the invention also provides a kind of communication system, comprises two station equipments, and described station equipment comprises:
The second type wireless medium unit is used for the parameter that negotiation is confirmed according to first kind wireless medium unit, utilizes described second type wireless medium and described distance station equipment to set up described direct connected link;
First kind wireless medium unit is used to utilize the mutual direct-connected message of setting up of first kind wireless medium and distance station equipment, and this direct-connected message of setting up is used to consult to confirm to utilize second wireless medium to set up the parameter of direct connected link.
The embodiment of the invention is by utilizing first kind wireless medium to be used to alternately to consult the direct-connected message of setting up of the parameter of confirming to utilize the second type wireless medium to set up direct connected link, and the parameter of confirming according to described negotiation, utilize the described second type wireless medium to set up described direct connected link, thereby solve when there are not AP in the AP that does not have the association of two WIFI terminals or surrounding enviroment, two WIFI terminals still can be set up direct connected link.
Description of drawings
Fig. 1 is the direct connected link of the prior art schematic diagram that creates a mechanism;
Fig. 2 is the first embodiment schematic diagram of the method for building up of direct connected link of the present invention;
Fig. 3 is the second embodiment schematic diagram of the method for building up of direct connected link of the present invention;
Fig. 4 is the 3rd an embodiment schematic diagram of the method for building up of direct connected link of the present invention;
Fig. 5 is the first embodiment schematic diagram of communication system of the present invention;
Fig. 6 is the second embodiment schematic diagram of communication system of the present invention;
Fig. 7 is the 3rd an embodiment schematic diagram of communication system of the present invention.
Embodiment
The embodiment of the invention provides a kind of method for building up of direct connected link, a kind of station equipment, a kind of communication system, can realize utilizing the direct-connected message of setting up of the parameter that first kind wireless medium is used to consult to confirm to utilize the second type wireless medium to set up direct connected link alternately, and the parameter of confirming according to described negotiation, utilize the described second type wireless medium to set up described direct connected link, thereby solve when there are not AP in the AP that does not have the association of two WIFI terminals or surrounding enviroment, two WIFI terminals still can be set up direct connected link.
Below in conjunction with accompanying drawing, the embodiment of the invention is elaborated.
Fig. 2 is the first embodiment schematic diagram of the method for building up of direct connected link of the present invention, and with reference to this figure, this method mainly comprises:
201, support universal mobile telecommunications system (Universal Mobile TelecommunicationSystem simultaneously, UMTS), two bimodule mobile communication terminals of WIFI (two STA) are before setting up direct connected link, make a call by UMTS earlier, set up UMTS link (being the UMTS cellular link), two bimodule mobile communication terminals that desire is set up direct connected link can utilize WIFI to set up the direct connected link desired parameters by this UMTS link alternately, as channel parameter, terminal iidentification, the combination of one or more in authentication information and the encryption key parameters etc., wherein, channel parameter can comprise administrative class (the Supported RegulatoryClasses of support, SRC), terminal iidentification can comprise medium access control (MediaAccess Control, MAC) address, encryption key parameters can include station-to the station and connect master key (Station to Station Link MasterKey, STSL Master Key, SMK);
202, first bimodule mobile communication terminal utilizes described second bimodule mobile communication terminal of described UMTS chain road direction to send the direct-connected request message of setting up, this is direct-connected sets up and carries the tentatively selected WIFI that utilizes of first bimodule mobile communication terminal in the request message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information and the encryption key message (as SMK) etc.;
203, second bimodule mobile communication terminal utilize described UMTS link receive described direct-connected set up request message after, this direct-connected request message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request message and first bimodule mobile communication terminal carry out wireless channel according to direct-connected, judge the feasibility of utilizing WIFI to set up direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
204, second bimodule mobile communication terminal utilizes described UMTS chain road direction first bimodule mobile communication terminal to respond, when judging in 203 that current environment satisfies when utilizing WIFI to set up the condition of direct connected link, second bimodule mobile communication terminal is to the direct-connected response message of setting up of first bimodule mobile communication terminal feedback, set up direct connected link to inform its agreement of first bimodule mobile communication terminal, this direct-connected foundation carries second bimodule mobile communication terminal according to the tentatively selected selected once more parameter of parameter of first bimodule mobile communication terminal in the response message, specifically can comprise channel parameter (as SRC), terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; When judging in 203 that current environment does not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back the direct-connected response message of setting up, set up direct connected link to inform its refusal of first bimodule mobile communication terminal;
205, first bimodule mobile communication terminal utilize described UMTS link receive described direct-connected set up response message after, this direct-connected response message of setting up is resolved identification, and according to the finally selected parameter of setting up described direct connected link of the selected once more parameter of second bimodule mobile communication terminal, as channel parameter, encryption key parameters etc., and the selected used channel information of direct connected link of setting up, as channel number etc.;
206, first bimodule mobile communication terminal utilizes described UMTS chain road direction second bimodule mobile communication terminal to send the direct-connected acknowledge message of setting up, and carries the finally selected parameter of setting up described direct connected link of first bimodule mobile communication terminal in 205 in this direct connected link acknowledge message;
207, by above-mentioned direct-connected set up message (direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up) mutual after, further utilize WIFI to set up described direct connected link according to the described final selected parameter of setting up described direct connected link, specifically can repeat no more with reference to the related content in the IEEE802.11 standard herein;
208, utilize WIFI to set up described direct connected link after, as required, two bimodule mobile communication terminals can utilize heterogeneous network handover mechanism in the IEEE802.11 standard with the direct connected link of the 201 UMTS link switchovers of being set up to described foundation.
Implement first embodiment of the method for building up of direct connected link of the present invention as shown in Figure 2, by setting up two UMTS links between the bimodule mobile communication terminal, and utilize the direct-connected message of setting up of the parameter that is used to alternately on this UMTS link to consult to confirm to utilize WIFI to set up direct connected link, and according to the parameter of consulting to be confirmed, utilize described WIFI to set up described direct connected link, thereby solve when there are not AP in the AP that does not have two bimodule mobile communication terminal associations or surrounding enviroment, two bimodule mobile communication terminals still can utilize UMTS to set up direct connected link (UMTS can relate to its corresponding network, down together) herein.
Fig. 3 is the second embodiment schematic diagram of the method for building up of direct connected link of the present invention, and with reference to this figure, this method mainly comprises:
301, support first bimodule mobile communication terminal in two bimodule mobile communication terminals (two STA) of UMTS, WIFI to utilize described UMTS to send the direct-connected request short message of setting up simultaneously, this is direct-connected sets up and carries the tentatively selected WIFI that utilizes of first bimodule mobile communication terminal in the request short message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information and the encryption key parameters (as SMK) etc.;
302, second bimodule mobile communication terminal utilize described UMTS receive described direct-connected set up request short message after, this direct-connected request short message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request short message and first bimodule mobile communication terminal carry out wireless channel according to direct-connected, judge the feasibility of utilizing WIFI to set up direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
303, second bimodule mobile communication terminal utilizes described UMTS to respond to first bimodule mobile communication terminal, when judging in 302 that current environment satisfies when utilizing WIFI to set up the condition of direct connected link, second bimodule mobile communication terminal feeds back direct-connected foundation response short message to first bimodule mobile communication terminal, set up direct connected link to inform its agreement of first bimodule mobile communication terminal, carry second bimodule mobile communication terminal in this direct-connected foundation response short message according to the tentatively selected selected once more parameter of parameter of first bimodule mobile communication terminal, specifically can comprise channel parameter (as SRC), terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; When judging in 302 that current environment does not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back direct-connected foundation response short message, set up direct connected link to inform its refusal of first bimodule mobile communication terminal;
304, after first bimodule mobile communication terminal utilizes described UMTS to receive described direct-connected foundation response short message, this direct-connected foundation response short message is resolved identification, and according to the finally selected parameter of setting up described direct connected link of the selected once more parameter of second bimodule mobile communication terminal, as channel parameter, encryption key parameters etc., and the selected used channel information of direct connected link of setting up, as channel number etc.;
305, first bimodule mobile communication terminal utilizes described UMTS to send direct-connected foundation affirmation short message to second bimodule mobile communication terminal, and this direct connected link confirms to carry in short message the finally selected parameter of setting up described direct connected link of first bimodule mobile communication terminal in 304;
306, by above-mentioned direct-connected set up short message (direct-connected set up request short message, direct-connected foundation response short message, short message is confirmed in direct-connected foundation) mutual after, further utilize WIFI to set up described direct connected link according to the described selected parameter of setting up described direct connected link, specifically can be with reference to the related content in the IEEE802.11 standard, repeat no more herein, after this, can carry out business procedure based on the direct connected link of WIFI network.
Implement second embodiment of the method for building up of direct connected link of the present invention as shown in Figure 3, utilize the direct-connected short message of setting up of the parameter that UMTS is used to consult to confirm to utilize WIFI to set up direct connected link alternately, and according to the parameter of consulting to be confirmed, utilize described WIFI to set up described direct connected link, thereby solve when not existing related AP of two WIFI terminals (being bimodule mobile communication terminal in the present embodiment) or surrounding enviroment not to have AP, two WIFI terminals still can utilize WIFI to set up direct connected link.
Fig. 4 is the 3rd an embodiment schematic diagram of the method for building up of direct connected link of the present invention, and with reference to this figure, this method mainly comprises:
401, support short haul connection (Near Field Communication simultaneously, NFC), first bimodule mobile communication terminal in two of WIFI bimodule mobile communication terminals (two STA) utilizes described NFC to send the direct-connected request message of setting up, this is direct-connected sets up and carries the tentatively selected WIFI that utilizes of first bimodule mobile communication terminal in the request message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information, the encryption key parameters (as SMK) etc.;
402, second bimodule mobile communication terminal utilize described NFC receive described direct-connected set up request message after, this direct-connected request message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request message and first bimodule mobile communication terminal carry out wireless channel according to direct-connected, judge the feasibility of setting up the WIFI direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
403, second bimodule mobile communication terminal utilizes described NFC to respond to first bimodule mobile communication terminal, when judging in 302 that current environment satisfies when utilizing WIFI to set up the condition of direct connected link, second bimodule mobile communication terminal is to the direct-connected response message of setting up of first bimodule mobile communication terminal feedback, set up direct connected link to inform its agreement of first bimodule mobile communication terminal, this direct-connected foundation carries second bimodule mobile communication terminal according to the tentatively selected selected once more parameter of parameter of first bimodule mobile communication terminal in the response message, specifically can comprise channel parameter (as SRC), terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; When judging in 302 that current environment does not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back the direct-connected response message of setting up, set up direct connected link to inform its refusal of first bimodule mobile communication terminal;
404, first bimodule mobile communication terminal utilize described NFC receive described direct-connected set up response message after, this direct-connected response message of setting up is resolved identification, and according to the finally selected parameter of setting up described direct connected link of the selected once more parameter of second bimodule mobile communication terminal, as channel parameter, encryption key parameters etc., and the selected used channel information of direct connected link of setting up, as channel number etc.;
405, first bimodule mobile communication terminal utilizes described NFC to send the direct-connected acknowledge message of setting up to second bimodule mobile communication terminal, carries the finally selected parameter of setting up described direct connected link of first bimodule mobile communication terminal in 404 in this direct connected link acknowledge message;
406, by above-mentioned direct-connected set up message (direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up) mutual after, further utilize WIFI to set up described direct connected link according to the described selected parameter of setting up described direct connected link, specifically can be with reference to the related content in the IEEE802.11 standard, repeat no more herein, after this, can carry out business procedure based on the direct connected link of WIFI network.
Implement the 3rd embodiment of the method for building up of direct connected link of the present invention as shown in Figure 4, utilize the direct-connected message of setting up of the parameter that NFC is used to consult to confirm to utilize WIFI to set up direct connected link alternately, and according to the parameter of consulting to be confirmed, utilize described WIFI to set up described direct connected link, thereby solve when not existing related AP of two WIFI terminals (being bimodule mobile communication terminal in the present embodiment) or surrounding enviroment not to have AP, two WIFI terminals still can utilize WIFI to set up direct connected link; In addition, because the distance of NFC effect is very short, the information interaction of utilizing NFC to carry out between two WIFI terminals has stronger information privacy.
What deserves to be explained is, each embodiment of the method for building up of the direct connected link of the invention described above adopts three kinds of direct-connected message of setting up to utilize WIFI to set up the negotiation affirmation process of the parameter of direct connected link, but in actual conditions, also can adopt direct-connected more than three kinds or below three kinds to set up the negotiation that message (corresponding increase or reduce the step of above-mentioned each method) utilizes WIFI to set up the parameter of direct connected link and confirm process.In addition, each embodiment of the method for building up of the direct connected link of the invention described above all utilizes WIFI to set up direct connected link, but the present invention is not limited only to this, utilizes the other types wireless medium to replace WIFI to set up direct connected link and is suitable for too.
Correspondingly, the communication system to the embodiment of the invention describes below, and the station equipment to the embodiment of the invention describes simultaneously.
Fig. 5 is the first embodiment schematic diagram of communication system of the present invention, with reference to this figure, this system mainly comprises two bimodule mobile communication terminals the one STA equipment 51, the 2nd STA equipment 52 of supporting UMTS, WIFI simultaneously, the one STA equipment 51 utilizes first kind wireless medium and the 2nd STA equipment 52 mutual direct-connected message of setting up, this direct-connected message of setting up is used to consult to confirm to utilize second wireless medium to set up the parameter of direct connected link, and, utilize described second type wireless medium and described the 2nd STA equipment 52 to set up described direct connected link according to the parameter of setting up direct connected link.The second type wireless medium unit is used for the parameter that negotiation is confirmed according to described first kind wireless medium unit, utilizes the described second type wireless medium to set up described direct connected link.
Wherein, the one STA equipment 51 is as initiating the equipment that direct connected link is set up, comprise first kind wireless medium unit 511, the second type wireless medium unit 512, first kind wireless medium unit 511 comprises link establishment unit 5111, request message transmitting element 5112, response message receiving element 5113, acknowledge message transmitting element 5114, each equipment, Elementary Function such as following:
Link establishment unit 5111, utilize UMTS to make a call, set up UMTS link (being the UMTS cellular link), a STA equipment 51, the 2nd STA equipment 52 that desire is set up direct connected link can utilize this UMTS link to utilize WIFI to set up the direct connected link desired parameters alternately, as one or more the combination in channel parameter, terminal iidentification, authentication information and the encryption key parameters etc., wherein, channel parameter can comprise that SRC, terminal iidentification can comprise MAC Address, and encryption key parameters can comprise SMK;
Request message transmitting element 5112, utilize described UMTS chain road direction the 2nd STA equipment 52 to send the direct-connected request message of setting up, this is direct-connected sets up and carries a STA equipment 51 preliminary selected WIFI that utilize in the request message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information and the encryption key parameters (as SMK) etc.;
Request message receiving element in the 2nd STA equipment 52 receives the described direct-connected request message of setting up by described UMTS link;
Direct-connected ability confirmation unit in the 2nd STA equipment 52, the described direct-connected request message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request message and a STA equipment 51 carry out wireless channel according to direct-connected, judge the feasibility of setting up the WIFI direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
Response message transmitting element in the 2nd STA equipment 52, utilize described UMTS chain road direction the one STA equipment 51 to respond, judging current environment when described direct-connected ability confirmation unit satisfies when utilizing WIFI to set up the condition of direct connected link, to the direct-connected response message of setting up of a STA equipment 51 feedbacks, set up direct connected link to inform a STA equipment 51 its agreements, this direct-connected the 2nd STA equipment 52 that carries in the response message of setting up specifically can comprise channel parameter (as SRC) according to a STA equipment 51 preliminary selected selected once more parameters of parameter, terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; Judge current environment when described direct-connected ability confirmation unit and do not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back the direct-connected response message of setting up, set up direct connected link to inform a STA equipment 51 its refusals;
Response message receiving element 5113 utilizes described UMTS link to receive the described direct-connected response message of setting up;
Acknowledge message transmitting element 5114, the described direct-connected response message of setting up is being resolved identification, and according to the finally selected parameter (as channel parameter, encryption key parameters etc.) of setting up described direct connected link of the selected once more parameter of the 2nd STA equipment 52, and determine to set up the used channel information of direct connected link (as channel number etc.) afterwards, utilize described UMTS chain road direction the 2nd STA equipment 52 to send the direct-connected acknowledge message of setting up, carry the described final selected parameter of setting up described direct connected link in this direct connected link acknowledge message;
The second type wireless medium unit 512, after setting up message (direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up) mutual by above-mentioned first kind wireless medium unit 511 direct-connected, further utilize WIFI to set up described direct connected link according to the described selected parameter of setting up described direct connected link, specifically can repeat no more with reference to the related content in the IEEE802.11 standard herein.
As a kind of execution mode, a STA equipment 51 can also comprise:
Switch unit, utilize WIFI to set up described direct connected link after, utilize as required heterogeneous network handover mechanism in the IEEE802.11 standard with described UMTS link switchover to the direct connected link of described foundation.
Implement first embodiment of communication system of the present invention as shown in Figure 5, by setting up two bimodule mobile communication terminals (STA equipment 51, the 2nd STA equipment 52) the UMTS link between, and utilize the direct-connected message of setting up of the parameter that is used to alternately on this UMTS link to consult to confirm to utilize WIFI to set up direct connected link, and according to the parameter of consulting to be confirmed, utilize described WIFI to set up described direct connected link, thereby solve when there are not AP in the AP that does not have two bimodule mobile communication terminal associations or surrounding enviroment, two bimodule mobile communication terminals still can utilize WIFI to set up direct connected link.
Fig. 6 is the second embodiment schematic diagram of communication system of the present invention, with reference to this figure, this system mainly comprises and supports UMTS simultaneously, two bimodule mobile communication terminals the one STA equipment 61 of WIFI, the 2nd STA equipment 62, wherein, the one STA equipment 61 is as initiating the equipment that direct connected link is set up, comprise first kind wireless medium unit 611, the second type wireless medium unit 612, first kind wireless medium unit 611 comprises request message transmitting element 6111, response message receiving element 6112, acknowledge message transmitting element 6113, each equipment, Elementary Function such as following:
Request message transmitting element 6111, utilize described UMTS to send the direct-connected request short message of setting up to the 2nd STA equipment 62, this is direct-connected sets up and carries a STA equipment 61 preliminary selected WIFI that utilize in the request short message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information and the encryption key parameters (as SMK) etc.;
Request message receiving element in the 2nd STA equipment 62 utilizes described UMTS to receive the described direct-connected request short message of setting up;
Direct-connected ability confirmation unit in the 2nd STA equipment 62, the described direct-connected request short message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request short message and a STA equipment 61 carry out wireless channel according to direct-connected, judge the feasibility of setting up the WIFI direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
Response message transmitting element in the 2nd STA equipment 62, utilize described UMTS to respond to a STA equipment 61, judging current environment when described direct-connected ability confirmation unit satisfies when utilizing WIFI to set up the condition of direct connected link, to the direct-connected foundation response of a STA equipment 61 feedbacks short message, set up direct connected link to inform a STA equipment 61 its agreements, the 2nd STA equipment 62 that carries in this direct-connected foundation response short message specifically can comprise channel parameter (as SRC) according to a STA equipment 61 preliminary selected selected once more parameters of parameter, terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; Judge current environment when described direct-connected ability confirmation unit and do not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back direct-connected foundation response short message, set up direct connected link to inform a STA equipment 61 its refusals;
Response message receiving element 6112 utilizes described UMTS to receive described direct-connected foundation response short message;
Acknowledge message transmitting element 6113, described direct-connected foundation response short message is being resolved identification, and according to the finally selected parameter (as channel parameter, encryption key parameters etc.) of setting up described direct connected link of the selected once more parameter of the 2nd STA equipment 62, and determine to set up the used channel information of direct connected link (as channel number etc.) afterwards, utilize described UMTS to send direct-connected foundation to the 2nd STA equipment 62 and confirm short message, this direct connected link confirms to carry in the short message the described final selected parameter of setting up described direct connected link;
The second type wireless medium unit 612, after setting up short message (the direct-connected request short message, direct-connected foundation response short message, direct-connected foundation set up confirmed short message) mutual by above-mentioned first kind wireless medium unit 611 direct-connected, further utilize WIFI to set up described direct connected link according to the described selected parameter of setting up described direct connected link, specifically can repeat no more with reference to the related content in the IEEE802.11 standard herein.
Implement second embodiment of communication system of the present invention as shown in Figure 6, utilize the direct-connected short message of setting up of the parameter that UMTS is used to consult to confirm to utilize WIFI to set up direct connected link alternately, and according to the parameter of consulting to be confirmed, set up described direct connected link by described WIFI, thereby solve when not existing related AP of two WIFI terminals (being bimodule mobile communication terminal the one STA equipment 61, the 2nd STA equipment 62 in the present embodiment) or surrounding enviroment not to have AP, two WIFI terminals still can utilize WIFI to set up direct connected link.
Fig. 7 is the 3rd an embodiment schematic diagram of communication system of the present invention, with reference to this figure, this system mainly comprises and supports UMTS simultaneously, two bimodule mobile communication terminals the one STA equipment 71 of WIFI, the 2nd STA equipment 72, wherein, the one STA equipment 71 is as initiating the equipment that direct connected link is set up, comprise first kind wireless medium unit 711, the second type wireless medium unit 712, first kind wireless medium unit 711 comprises request message transmitting element 7111, response message receiving element 7112, acknowledge message transmitting element 7113, each equipment, Elementary Function such as following:
Request message transmitting element 7111, utilize NFC to send the direct-connected request message of setting up to the 2nd STA equipment 72, this is direct-connected sets up and carries a STA equipment 71 preliminary selected WIFI that utilize in the request message and set up the direct connected link parameters needed, specifically can comprise one or more the combination in channel parameter (as SRC), terminal iidentification (as MAC Address), authentication information and the encryption key parameters (as SMK) etc.;
Request message receiving element in the 2nd STA equipment 72 utilizes described NFC to receive the described direct-connected request message of setting up;
Direct-connected ability confirmation unit in the 2nd STA equipment 72, the described direct-connected request message of setting up is resolved identification, and set up the measurement (specifically can utilize the channel parameter and the method for measurement that define among the IEEE802.11) that the terminal iidentification that carries in the request message and a STA equipment 71 carry out wireless channel according to direct-connected, judge the feasibility of setting up the WIFI direct connected link in the current environment according to this measurement result, this process is that direct-connected ability is confirmed process;
Response message transmitting element in the 2nd STA equipment 72, utilize described NFC to respond to a STA equipment 71, judging current environment when described direct-connected ability confirmation unit satisfies when utilizing WIFI to set up the condition of direct connected link, to the direct-connected response message of setting up of a STA equipment 71 feedbacks, set up direct connected link to inform a STA equipment 71 its agreements, this direct-connected the 2nd STA equipment 72 that carries in the response message of setting up specifically can comprise channel parameter (as SRC) according to a STA equipment 71 preliminary selected selected once more parameters of parameter, terminal iidentification (as MAC Address), the combination of one or more in authentication information and the encryption key parameters (as SMK) etc.; Judge current environment when described direct-connected ability confirmation unit and do not satisfy when utilizing WIFI to set up the condition of direct connected link, feed back the direct-connected response message of setting up, set up direct connected link to inform a STA equipment 71 its refusals;
Response message receiving element 7112 utilizes described NFC to receive the described direct-connected response message of setting up;
Acknowledge message transmitting element 7113, the described direct-connected response message of setting up is being resolved identification, and according to the finally selected parameter (as channel parameter, encryption key parameters etc.) of setting up described direct connected link of the selected once more parameter of the 2nd STA equipment 72, and determine to set up the used channel information of direct connected link (as channel number etc.) afterwards, utilize described NFC to send the direct-connected acknowledge message of setting up, carry the described final selected parameter of setting up described direct connected link in this direct connected link acknowledge message to the 2nd STA equipment 72;
The second type wireless medium unit 712, after setting up message (direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up) mutual by above-mentioned first kind wireless medium unit 711 direct-connected, further utilize WIFI to set up described direct connected link according to the described selected parameter of setting up described direct connected link, specifically can repeat no more with reference to the related content in the IEEE802.11 standard herein.
Implement the communication system of the invention described above, utilize the direct-connected message of setting up of the parameter that NFC is used to consult to confirm to utilize WIFI to set up direct connected link alternately, and according to the parameter of consulting to be confirmed, utilize described WIFI to set up described direct connected link, thereby solve when not existing related AP of two WIFI terminals (being bimodule mobile communication terminal the one STA equipment 71, the 2nd STA equipment 72 in the present embodiment) or surrounding enviroment not to have AP, two WIFI terminals can utilize WIFI to set up direct connected link; In addition, because the distance of NFC effect is very short, the information interaction of utilizing NFC to carry out between two WIFI terminals has stronger information privacy.
What deserves to be explained is, each embodiment of the communication system/station equipment of the invention described above adopts three kinds of direct-connected message of setting up to utilize WIFI to set up the negotiation affirmation process of the parameter of direct connected link, but in actual conditions,, each embodiment of the communication system/station equipment of the invention described above confirms process when adopting direct-connected more than three kinds or below three kinds to set up the negotiation that message (corresponding increase or reduce the unit of above-mentioned each communication system/station equipment) utilizes WIFI to set up the parameter of direct connected link.In addition, each embodiment of the communication system/station equipment of the invention described above all utilizes WIFI to set up direct connected link, but the present invention is not limited only to this, utilizes the other types wireless medium to replace WIFI to set up direct connected link and is suitable for too.
In addition, one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Random Access Memory, RAM) etc.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (16)
1, a kind of method for building up of direct connected link is characterized in that, comprising:
Utilize the mutual direct-connected message of setting up of first kind wireless medium, this direct-connected message of setting up is used to consult to confirm to utilize the second type wireless medium to set up the parameter of direct connected link;
According to the parameter that described negotiation is confirmed, utilize the described second type wireless medium to set up described direct connected link.
2, the method for building up of direct connected link as claimed in claim 1, it is characterized in that, the described direct-connected message of setting up comprises direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up, and the described mutual direct-connected message of setting up of first kind wireless medium of utilizing comprises:
Utilize described first kind wireless medium to send the direct-connected request message of setting up, described direct-connected foundation carries the tentatively selected parameter of local terminal of setting up described direct connected link in the request message;
Utilize described first kind wireless medium to receive the direct-connected response message of setting up, the described direct-connected response message of setting up carries the opposite end according to the tentatively selected selected once more parameter of parameter of described local terminal;
Utilize described first kind wireless medium to send the direct-connected acknowledge message of setting up, the described direct-connected acknowledge message of setting up carries local terminal according to the selected once more finally selected parameter of parameter in described opposite end.
3, the method for building up of direct connected link as claimed in claim 1 is characterized in that, also comprises:
Set up described first kind wireless medium link.
4, the method for building up of direct connected link as claimed in claim 1 is characterized in that, also comprises:
Described direct connected link is arrived in the link switchover of described first kind wireless medium.
As the method for building up of each described direct connected link in the claim 1 to 4, it is characterized in that 5, described parameter comprises in channel parameter, terminal iidentification, authentication information and the encryption key parameters one or more combination.
6, as the method for building up of direct connected link as described in each in the claim 1 to 4, it is characterized in that described first kind wireless medium is universal mobile telecommunications system or short haul connection, the described second type wireless medium is a Wireless Fidelity.
7, the method for building up of direct connected link as claimed in claim 6 is characterized in that, when described first kind wireless medium was universal mobile telecommunications system, the described direct-connected message of setting up adopted the short message form.
8, a kind of station equipment is characterized in that, comprising:
First kind wireless medium unit is used to utilize the mutual direct-connected message of setting up of first kind wireless medium, and this direct-connected message of setting up is used to consult to confirm to utilize the second type wireless medium to set up the parameter of direct connected link;
The second type wireless medium unit is used for the parameter that negotiation is confirmed according to described first kind wireless medium unit, utilizes the described second type wireless medium to set up described direct connected link.
9, station equipment as claimed in claim 8 is characterized in that, the described direct-connected message of setting up comprises direct-connected request message, direct-connected response message, the direct-connected acknowledge message of setting up set up set up, and described first kind wireless medium unit comprises:
The request message transmitting element is used to utilize described first kind wireless medium to send the direct-connected request message of setting up, and described direct-connected foundation carries the tentatively selected parameter of local terminal of setting up described direct connected link in the request message;
The response message receiving element is used to utilize described first kind wireless medium to receive the direct-connected response message of setting up, and the described direct-connected response message of setting up carries the opposite end according to the tentatively selected selected once more parameter of parameter of described local terminal;
The acknowledge message transmitting element is used to utilize described first kind wireless medium to send the direct-connected acknowledge message of setting up, and the described direct-connected acknowledge message of setting up carries local terminal according to the selected once more finally selected parameter of parameter in described opposite end.
10, station equipment as claimed in claim 9 is characterized in that, described first kind wireless medium unit also comprises:
The link establishment unit is used to set up described first kind wireless medium link, utilizes the mutual described direct-connected message of setting up of this first kind wireless medium link.
11, station equipment as claimed in claim 8 is characterized in that, this station equipment also comprises:
Switch unit after utilizing the described second type wireless medium unit to set up described direct connected link, arrives described direct connected link with the link switchover of described first kind wireless medium.
As each described station equipment in the claim 8 to 11, it is characterized in that 12, described parameter comprises in channel parameter, terminal iidentification, authentication information and the encryption key parameters one or more combination.
As each described station equipment in the claim 8 to 11, it is characterized in that 13, described first kind wireless medium is universal mobile telecommunications system or short haul connection, the described second type wireless medium is a Wireless Fidelity.
14, station equipment as claimed in claim 13 is characterized in that, when described first kind wireless medium was universal mobile telecommunications system, the described direct-connected message of setting up adopted the short message form.
As the described station equipment of claim 8 to 11, it is characterized in that 15, this station equipment is for supporting the bimodule mobile communication terminal of the first kind wireless medium and the second type wireless medium.
16, a kind of communication system comprises two station equipments at least, it is characterized in that described station equipment comprises:
The second type wireless medium unit is used for the parameter that negotiation is confirmed according to first kind wireless medium unit, utilizes described second type wireless medium and described distance station equipment to set up described direct connected link;
First kind wireless medium unit is used to utilize the mutual direct-connected message of setting up of first kind wireless medium and distance station equipment, and this direct-connected message of setting up is used to consult to confirm to utilize second wireless medium to set up the parameter of direct connected link.
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