CN103078713A - Communication equipment and data communication method - Google Patents
Communication equipment and data communication method Download PDFInfo
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- CN103078713A CN103078713A CN2013100282588A CN201310028258A CN103078713A CN 103078713 A CN103078713 A CN 103078713A CN 2013100282588 A CN2013100282588 A CN 2013100282588A CN 201310028258 A CN201310028258 A CN 201310028258A CN 103078713 A CN103078713 A CN 103078713A
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Abstract
The invention provides communication equipment, comprising a data interaction module and a data processing module, wherein the data interaction module is used for receiving a broadcast message frame; the data processing module is used for acquiring the type of the broadcast message frame and a source address of the broadcast message frame, wherein if the broadcast message frame is a detection response frame, and when the source address of the broadcast message frame is same as a media access control address of access points establishing network connection of the communication equipment, the communication equipment discards the remaining part of the detection response frame. The invention also provides a data communication method. By the technical scheme provided by the invention, the communication equipment connected into the internet can not analyze the detection response frame of broadcast, so that the unnecessary power-consumption overhead is avoided.
Description
Technical field
The present invention relates to communication technical field, in particular to communication equipment and data communications method.
Background technology
In 802.11, set up the new FILS(fast initial link setup of working group, initial link is set up fast), the purpose of this working group is to solve in wlan network, great amount of terminals how synchronization fast with AP(access point, access point) set up initial link, the demand that this project team proposes is that 100 station terminals can connect with AP simultaneously within the requirement 1s.
In the discussion process of solution, this working group has proposed such solution: AP and has sent Probe response(probing response frame in the mode of broadcast), thereby can allow all STA(terminals) can both intercept and must resolve it, can reduce like this STA and send the Proberequest(probe request) possibility, reduce Signalling exchange, improve the networking efficient of STA.
But for those STA that has connected with AP, according to top way, they also must receive and resolve the Probe response message that AP broadcasts, like this can be so that the STA that these have networked produces extra electric quantity consumption.
Therefore, need a kind of new communication plan that is used between STA and the AP, so that the communication equipment that has networked can not resolve the probing response frame of broadcasting, thereby avoid producing unnecessary power consumption expense.
Summary of the invention
The present invention just is being based on the problems referred to above, has proposed a kind of new communication plan that is used between STA and the AP, so that the communication equipment that has networked can not resolve the probing response frame of broadcasting, thereby avoids producing unnecessary power consumption expense.
In view of this, the present invention proposes a kind of communication equipment, comprising: the data interaction module receives broadcast message frame; Data processing module, obtain the type of described broadcast message frame, the source address of described broadcast message frame, wherein, if when the media access control address of the access point that described broadcast message frame is source address and the described communication equipment of probing response frame and described broadcast message frame has set up network connection was identical, then described communication equipment abandoned the remainder of described probing response frame.In this technical scheme, communication equipment can be STA, and such as mobile phone or flat board etc., data processing module can be the chip module that data are processed in the communicator, and the data interaction module then is equivalent to signal receiving/transmission device and antenna etc.Communication equipment is by carrying out acquisition of information to the broadcast message frame that receives, set up network connection with access point A such as this communication equipment, then receive the probing response frame of access point A broadcasting when this communication equipment, and when the source address that is resolved to probing response frame is the same with the MAC Address of the access point A that connects, then will no longer resolve for the remainder (except other parts that are used for obtaining type and source address) of this probing response frame, thereby avoid communication equipment to produce unnecessary power consumption expense.
In technique scheme, preferably, described data processing module is determined the type of described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, can be only the part of the mac frame head of broadcast message frame be resolved, to determine the type of this broadcast message frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss.
In technique scheme, preferably, the type that described data processing module is determined described broadcast message frame from type subdomain and the subtype subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, concrete communication equipment can parse for frame the value of type subdomain (Type) in control (FC) territory be that the value of " 00 " and subtype subdomain (Subtype) is when being " 0101 ", determine that then this broadcast message frame is probing response frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss, certainly also may be worth to identify the type of probing response frame with other of type subdomain and subtype subdomain, repeat no more here.
In technique scheme, preferably, also comprise: data recordin module, the received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with described communication equipment before receiving described broadcast message frame; Wherein, described data processing module has been set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment, determine that also whether described the first value is greater than described the second value, if then described communication equipment is processed the remainder of described probing response frame.In this technical scheme, communication equipment can carry out measurement and the record of received signal strength to the received signal, such as specifically adopting RSSI(Received SignalStrength Indication, received signal strength index) numerical value.Suppose that communication equipment sets up network connection with access point A, then when communication equipment and access point A carry out data communication, communication equipment can be measured and record the RSSI value of the Frame in this data communication process, such as, when communication equipment determines that source address in the probing response frame is different with the MAC Address of the built vertical access point A that is connected, the received signal strength that communication equipment can also record the probing response frame that receives is RSSI1, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＞RSSI2, then can be by this probing response frame be processed, switching to described other access points, thereby obtain better communication efficiency.
In technique scheme, preferably, when described data processing module is inconsistent in the media access control address of the source address of determining described broadcast message frame and the access point that described communication equipment has been set up network connection, determine that also whether described the first value is less than described the second value, if then described communication equipment abandons the remainder of described probing response frame.In this technical scheme, the received signal strength from the probing response frame of other access points that communication equipment receives is RSSI1, and the source address of probing response frame is different with the MAC Address of the access point A that has connected, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＜RSSI2, then can abandon the remainder of the probing response frame that receives and not do switching, obtain better communication efficiency to guarantee communication equipment.
According to another aspect of the invention, also propose a kind of data communications method, having comprised: received broadcast message frame; Obtain the type of described broadcast message frame, the source address of described broadcast message frame; When the media access control address of the access point that if described broadcast message frame is source address and the recipient of described broadcast message frame of probing response frame and described broadcast message frame has set up network connection is identical, then abandon the remainder of described probing response frame.In this technical scheme, communication equipment can be STA, and such as mobile phone or flat board etc., data processing module can be the chip module that data are processed in the communicator, and the data interaction module then is equivalent to signal receiving/transmission device and antenna etc.Communication equipment is by carrying out acquisition of information to the broadcast message frame that receives, set up network connection with access point A such as this communication equipment, then receive the probing response frame of access point A broadcasting when this communication equipment, and when the source address that is resolved to probing response frame is the same with the MAC Address of the access point A that connects, then will no longer resolve for the remainder (except other parts that are used for obtaining type and source address) of this probing response frame, thereby avoid communication equipment to produce unnecessary power consumption expense.
In technique scheme, preferably, the described step of obtaining the type of described broadcast message frame comprises: the type of determining described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, can be only the part of the mac frame head of broadcast message frame be resolved, to determine the type of this broadcast message frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss.
In technique scheme, preferably, the described step of obtaining the type of described broadcast message frame comprises: from the type subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame and the type that the subtype subdomain is determined described broadcast message frame.In this technical scheme, concrete communication equipment can parse for frame the value of type subdomain (Type) in control (FC) territory be that the value of " 00 " and subtype subdomain (Subtype) is when being " 0101 ", determine that then this broadcast message frame is probing response frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss, certainly also may be worth to identify the type of probing response frame with other of type subdomain and subtype subdomain, repeat no more here.
In technique scheme, preferably, also comprise: the received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with the transmit leg of described broadcast message frame before receiving described broadcast message frame; Wherein, set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment, if described the first value is worth greater than described second, then processed the remainder of described probing response frame.In this technical scheme, communication equipment can carry out measurement and the record of received signal strength to the received signal, such as specifically adopting RSSI(Received Signal Strength Indication, received signal strength index) numerical value.Suppose that communication equipment sets up network connection with access point A, then when communication equipment and access point A carry out data communication, communication equipment can be measured and record the RSSI value of the Frame in this data communication process, such as, when communication equipment determines that source address in the probing response frame is different with the MAC Address of the built vertical access point A that is connected, the received signal strength that communication equipment can also record the probing response frame that receives is RSSI1, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＞RSSI2, then can be by this probing response frame be processed, switching to described other access points, thereby obtain better communication efficiency.
In technique scheme, preferably, also comprise: when the media access control address of the access point of having set up network connection at source address and the described communication equipment of described broadcast message frame is inconsistent, if described the first value less than described the second value, then abandons the remainder of described probing response frame.In this technical scheme, the received signal strength from the probing response frame of other access points that communication equipment receives is RSSI1, and the source address of probing response frame is different with the MAC Address of the access point A that has connected, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＜RSSI2, then can abandon the remainder of the probing response frame that receives and not do switching, obtain better communication efficiency to guarantee communication equipment.
By above technical scheme, can so that the communication equipment that has networked can to broadcasting probing response frame not resolve, thereby avoid producing unnecessary power consumption expense.
Description of drawings
Fig. 1 shows the according to an embodiment of the invention block diagram of communication equipment;
Fig. 2 shows the according to an embodiment of the invention flow chart of data communications method;
Fig. 3 shows the particular flow sheet of in BSS the broadcast message frame that receives being processed according to an embodiment of the invention;
Fig. 4 shows the particular flow sheet of in OBSS the broadcast message frame that receives being processed according to an embodiment of the invention.
Embodiment
In order more clearly to understand above-mentioned purpose of the present invention, feature and advantage, below in conjunction with the drawings and specific embodiments the present invention is further described in detail.Need to prove that in the situation of not conflicting, the application's embodiment and the feature among the embodiment can make up mutually.
A lot of details have been set forth in the following description so that fully understand the present invention; but; the present invention can also adopt other to be different from other modes described here and implement, and therefore, protection scope of the present invention is not subjected to the restriction of following public specific embodiment.
Fig. 1 shows the according to an embodiment of the invention block diagram of communication equipment.
As shown in Figure 1, communication equipment 100 according to an embodiment of the invention, comprising: data interaction module 102 receives broadcast message frame; Data processing module 104, obtain the type of described broadcast message frame, the source address of described broadcast message frame, wherein, if when the media access control address of the access point that described broadcast message frame is source address and the described communication equipment 100 of probing response frame and described broadcast message frame has set up network connection was identical, then described communication equipment 100 abandoned the remainder of described probing response frame.In this technical scheme, communication equipment 100 can be STA, and such as mobile phone or flat board etc., data processing module 104 can be the chip module that data are processed in the communicator 100, and data interaction module 102 then is equivalent to signal receiving/transmission device and antenna etc.Communication equipment 100 is by carrying out acquisition of information to the broadcast message frame that receives, set up network connection with access point A such as this communication equipment 100, then receive the probing response frame of access point A broadcasting when this communication equipment 100, and when the source address that is resolved to probing response frame is the same with the MAC Address of the access point A that connects, then will no longer resolve for the remainder (except other parts that are used for obtaining type and source address) of this probing response frame, thereby avoid communication equipment 100 to produce unnecessary power consumption expense.
In technique scheme, preferably, described data processing module 104 is determined the type of described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, can be only the part of the mac frame head of broadcast message frame be resolved, to determine the type of this broadcast message frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss.
In technique scheme, preferably, the type that described data processing module 104 is determined described broadcast message frame from type subdomain and the subtype subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, concrete communication equipment can parse for frame the value of type subdomain (Type) in control (FC) territory be that the value of " 00 " and subtype subdomain (Subtype) is when being " 0101 ", determine that then this broadcast message frame is probing response frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss, certainly also may be worth to identify the type of probing response frame with other of type subdomain and subtype subdomain, repeat no more here.
In technique scheme, preferably, also comprise: data recordin module 106, the received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with described communication equipment 100 before receiving described broadcast message frame; Wherein, described data processing module 104 has been set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment 100, determine that also whether described the first value is greater than described the second value, if then described communication equipment 100 is processed the remainder of described probing response frame.In this technical scheme, communication equipment 100 can carry out measurement and the record of received signal strength to the received signal, such as specifically adopting RSSI(Received Signal Strength Indication, received signal strength index) numerical value.Suppose that communication equipment 100 sets up network connection with access point A, then when communication equipment 100 carries out data communication with access point A, communication equipment 100 can be measured and record the RSSI value of the Frame in this data communication process, such as, when the source address in communication equipment 100 definite probing response frames is different with the MAC Address of the built vertical access point A that is connected, the received signal strength that communication equipment 100 can also record the probing response frame that receives is RSSI1, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＞RSSI2, then can be by this probing response frame be processed, switching to described other access points, thereby obtain better communication efficiency.
In technique scheme, preferably, when described data processing module 104 is inconsistent in the media access control address of the source address of determining described broadcast message frame and the access point that described communication equipment 100 has been set up network connection, determine that also whether described the first value is less than described the second value, if then described communication equipment 100 abandons the remainder of described probing response frame.In this technical scheme, the received signal strength from the probing response frame of other access points that communication equipment 100 receives is RSSI1, and the source address of probing response frame is different with the MAC Address of the access point A that has connected, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＜RSSI2, then can abandon the remainder of the probing response frame that receives and not do switching, obtain better communication efficiency to guarantee communication equipment 100.
Fig. 2 shows the according to an embodiment of the invention flow chart of data communications method.
As shown in Figure 2, data communications method comprises: step 202, reception broadcast message frame according to an embodiment of the invention; Step 204 is obtained the type of described broadcast message frame, the source address of described broadcast message frame; Step 206 has been set up the media access control address of access point of network connection when identical if described broadcast message frame is source address and the recipient of described broadcast message frame of probing response frame and described broadcast message frame, then enters step 208; Step 208 abandons the remainder of described probing response frame.In this technical scheme, communication equipment can be STA, and such as mobile phone or flat board etc., data processing module can be the chip module that data are processed in the communicator, and the data interaction module then is equivalent to signal receiving/transmission device and antenna etc.Communication equipment is by carrying out acquisition of information to the broadcast message frame that receives, set up network connection with access point A such as this communication equipment, then receive the probing response frame of access point A broadcasting when this communication equipment, and when the source address that is resolved to probing response frame is the same with the MAC Address of the access point A that connects, then will no longer resolve for the remainder (except other parts that are used for obtaining type and source address) of this probing response frame, thereby avoid communication equipment to produce unnecessary power consumption expense.
In technique scheme, preferably, the described step of obtaining the type of described broadcast message frame comprises: the type of determining described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.In this technical scheme, can be only the part of the mac frame head of broadcast message frame be resolved, to determine the type of this broadcast message frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss.
In technique scheme, preferably, the described step of obtaining the type of described broadcast message frame comprises: from the type subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame and the type that the subtype subdomain is determined described broadcast message frame.In this technical scheme, concrete communication equipment can parse for frame the value of type subdomain (Type) in control (FC) territory be that the value of " 00 " and subtype subdomain (Subtype) is when being " 0101 ", determine that then this broadcast message frame is probing response frame, be convenient to carry out further judgement, thereby when this broadcast message frame is the probing response frame of access point broadcasting of the built vertical network service of communication equipment, do not carry out further parsing, to avoid causing unnecessary kwh loss, certainly also may be worth to identify the type of probing response frame with other of type subdomain and subtype subdomain, repeat no more here.
In technique scheme, preferably, also comprise: the received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with the transmit leg of described broadcast message frame before receiving described broadcast message frame; Wherein, set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment, if described the first value is worth greater than described second, then processed the remainder of described probing response frame.In this technical scheme, communication equipment can carry out measurement and the record of received signal strength to the received signal, such as specifically adopting RSSI(Received Signal Strength Indication, received signal strength index) numerical value.Suppose that communication equipment sets up network connection with access point A, then when communication equipment and access point A carry out data communication, communication equipment can be measured and record the RSSI value of the Frame in this data communication process, such as, when communication equipment determines that source address in the probing response frame is different with the MAC Address of the built vertical access point A that is connected, the received signal strength that communication equipment can also record the probing response frame that receives is RSSI1, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＞RSSI2, then can be by this probing response frame be processed, switching to described other access points, thereby obtain better communication efficiency.
In technique scheme, preferably, also comprise: when the media access control address of the access point of having set up network connection at source address and the described communication equipment of described broadcast message frame is inconsistent, if described the first value less than described the second value, then abandons the remainder of described probing response frame.In this technical scheme, the received signal strength from the probing response frame of other access points that communication equipment receives is RSSI1, and the source address of probing response frame is different with the MAC Address of the access point A that has connected, and the received signal strength of the Frame of the last data communication of record and access point A is RSSI2, if RSSI1＜RSSI2, then can abandon the remainder of the probing response frame that receives and not do switching, obtain better communication efficiency to guarantee communication equipment.
Fig. 3 shows the particular flow sheet of in BSS the broadcast message frame that receives being processed according to an embodiment of the invention.
For being in BSS(basis service set, Basic Service Set) be STA in, that only have namely that an AP serves that numerous STA(are included in net and be about to network), the idiographic flow that this moment, STA processed for the broadcast message frame that receives comprises as shown in Figure 3:
Step 302, STA receives broadcast message frame, owing to only have an AP, then in the ideal case, for being under this BSS and setting up the STA of network connection with this AP, the broadcast message frame that receives just should be from the AP under this BSS.
Step 304 is judged the type of this broadcast message frame.Particularly, can be by to the type subdomain of the frame control domain (FC, Frame Control) of the frame head of media access control (MAC, the Medium Access Control) frame of broadcast message frame and the type that the subtype subdomain obtains this broadcast message frame.Can set up in advance the corresponding relation between the value that form comes the type of recorded announce message frame and type subdomain and subtype subdomain, thereby the type subdomain of the frame control domain of the frame head of the media access control frame by checking the broadcast message frame that receives and the value of subtype subdomain, determine the particular type of broadcast message frame, this form is as shown in table 1:
Table 1
So, according to the record in the table 1, when the type subdomain value of the broadcast message frame that receives is " 0101 " for " 00 " and subtype subdomain value, the type that then can determine this broadcast message frame is probing response frame.
Step 306, if determine in the step 304 that the type of the broadcast message frame that receives is probing response frame, then directly abandon the remainder of this probing response frame (in the process of determining its type, to partly resolving such as type subdomain and subtype subdomain etc., thereby " remainder " is namely except other parts before this), thus avoid STA is caused unnecessary power consumption penalty.
Step 308, if determine in the step 304 that the type of the broadcast message frame that receives is not probing response frame, then STA carries out next step operational processes to this broadcast message frame.
Abovely described when STA is in the single BSS environment in conjunction with Fig. 3, processing procedure for the broadcast message frame that receives, but the situation in actual environment is more complicated, a STA often can't guarantee that it only is among the BSS, and very likely be present in OBSS(overlapping Basis Service Set, overlapping basic service set) in, namely a plurality of AP use the numerous STA of same communication channel bandwidth service.STA for being under the OBSS environment is elaborated below in conjunction with Fig. 4.
Fig. 4 shows the particular flow sheet of in OBSS the broadcast message frame that receives being processed according to an embodiment of the invention.
As shown in Figure 4, the idiographic flow of in OBSS the broadcast message frame that receives being processed according to an embodiment of the invention comprises:
Particularly, when STA is that the AP that has connected carries out data communication, the received signal strength of the Frame of data communication is carried out record, such as adopting the RSSI value; Simultaneously, STA can obtain the RSSI value of the current probing response frame that receives.The received signal strength of supposing this probing response frame is RSSI1, and the received signal strength of the Frame of the data communication of carrying out recently with the AP that has been connected of record is RSSI2, so, if RSSI1＞RSSI2, the network state that another BSS is described is better, then enter step 410, be that STA can be by processing this probing response frame, to switch among described another BSS, thereby obtain better communication efficiency, if RSSI1＜RSSI2 illustrates that the network state of current BSS is better, then enter step 408, namely STA need not to switch.
More than be described with reference to the accompanying drawings technical scheme of the present invention, consider in the correlation technique, all STA need to resolve the probing response frame of the broadcasting that receives, so that the STA that has networked can produce unnecessary circuitry consumes, therefore, the present invention proposes a kind of communication equipment and a kind of data communications method so that the communication equipment that has networked can to broadcasting probing response frame not resolve, thereby avoid producing unnecessary power consumption expense.
The above is the preferred embodiments of the present invention only, is not limited to the present invention, and for a person skilled in the art, the present invention can have various modifications and variations.Within the spirit and principles in the present invention all, any modification of doing, be equal to replacement, improvement etc., all should be included within protection scope of the present invention.
Claims (10)
1. a communication equipment is characterized in that, comprising:
The data interaction module receives broadcast message frame;
Data processing module, obtain the type of described broadcast message frame, the source address of described broadcast message frame, wherein, if when the media access control address of the access point that described broadcast message frame is source address and the described communication equipment of probing response frame and described broadcast message frame has set up network connection was identical, then described communication equipment abandoned the remainder of described probing response frame.
2. communication equipment according to claim 1 is characterized in that, described data processing module is determined the type of described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.
3. communication equipment according to claim 2 is characterized in that, the type that described data processing module is determined described broadcast message frame from type subdomain and the subtype subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame.
4. each described communication equipment in 3 according to claim 1 is characterized in that, also comprises:
Data recordin module, the received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with described communication equipment before receiving described broadcast message frame;
Wherein, described data processing module has been set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment, determine that also whether described the first value is greater than described the second value, if then described communication equipment is processed the remainder of described probing response frame.
5. communication equipment according to claim 4 is characterized in that,
When described data processing module is inconsistent in the media access control address of the source address of determining described broadcast message frame and the access point that described communication equipment has been set up network connection, determine that also whether described the first value is less than described the second value, if then described communication equipment abandons the remainder of described probing response frame.
6. a data communications method is characterized in that, comprising:
Receive broadcast message frame;
Obtain the type of described broadcast message frame, the source address of described broadcast message frame;
When the media access control address of the access point that if described broadcast message frame is source address and the recipient of described broadcast message frame of probing response frame and described broadcast message frame has set up network connection is identical, then abandon the remainder of described probing response frame.
7. data communications method according to claim 6 is characterized in that, the described step of obtaining the type of described broadcast message frame comprises:
Determine the type of described broadcast message frame from the frame control domain of the frame head of the media access control frame of described broadcast message frame.
8. data communications method according to claim 7 is characterized in that, the described step of obtaining the type of described broadcast message frame comprises:
From the type subdomain of the frame control domain of the frame head of the media access control frame of described broadcast message frame and the type that the subtype subdomain is determined described broadcast message frame.
9. each described data communications method in 8 according to claim 6 is characterized in that, also comprises:
The received signal strength that records described broadcast message frame is the first value, and record is the second value from the received signal strength of final data frame of setting up the access point of network connection with the transmit leg of described broadcast message frame before receiving described broadcast message frame;
Wherein, set up the media access control address of access point of network connection when not identical at the source address of determining described broadcast message frame and described communication equipment, if described the first value is worth greater than described second, then processed the remainder of described probing response frame.
10. data communications method according to claim 9 is characterized in that, also comprises:
When the media access control address of the access point of having set up network connection at source address and the described communication equipment of described broadcast message frame is inconsistent, if described the first value less than described the second value, then abandons the remainder of described probing response frame.
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| WO2015042861A1 (en) * | 2013-09-27 | 2015-04-02 | 华为技术有限公司 | Data transmission method and device |
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