CN101626330A - Method, device and system for inquiring position and application equipment - Google Patents
Method, device and system for inquiring position and application equipment Download PDFInfo
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- CN101626330A CN101626330A CN200810133179A CN200810133179A CN101626330A CN 101626330 A CN101626330 A CN 101626330A CN 200810133179 A CN200810133179 A CN 200810133179A CN 200810133179 A CN200810133179 A CN 200810133179A CN 101626330 A CN101626330 A CN 101626330A
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Abstract
The invention discloses a method, a device and a system for inquiring a position and application equipment, and relates to the field of communication. The invention aims to solve the problem that the position information acquired from a WiFi network by the application equipment is not accurate when the position is inquired in the prior art. The technical scheme provided by the invention is a method for inquiring the position applied to the WiFi network, which comprises the following steps of: receiving a position coordinate inquiry request frame sent by the application equipment, wherein the position coordinate inquiry requesting frame carries identification of the position coordinate information of the equipment requested to be inquired; acquiring the position coordinate information of the inquired equipment according to the position coordinate inquiry request frame; generating a position coordinate inquiry response frame according the position coordinate information of the inquired equipment in a medium access control layer; and sending the position coordinate inquiry response frame to the application equipment. The technical scheme can be applied to the WiFi network.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of Wireless Fidelity (Wireless Fidelity, WiFi) in the network, the application apparatus that application apparatus carries out the methods, devices and systems of position enquiring and uses this position query method.
Background technology
The WiFi network be to use the WLAN (wireless local area network) that 802.11 agreements set up (Wireless Local AreaNetwork, WLAN).In described WiFi network, application apparatus can be initiated the position enquiring request to network by using the position enquiring claim frame that 802.11 agreements provide, and obtains the positional information that it asks the equipment inquired about by receiving position enquiring response frame that network returns.
In realizing process of the present invention, the inventor finds, there are the following problems at least for prior art: the positional information that application apparatus uses 802.11 agreements to obtain from the WiFi network is descriptive literal or unified resource sign (URI), this positional information can not be expressed the geographical position of described application apparatus request inquiry exactly, and some application can't be used these information.
Summary of the invention
Embodiments of the invention provide a kind of position query method, device and system and application apparatus, when application apparatus carries out position enquiring, can obtain more accurate position information.
For achieving the above object, embodiments of the invention adopt following technical scheme:
A kind of position query method is applied in the WiFi network, comprising: receive the position coordinates query requests frame that application apparatus sends, this position coordinates query requests frame carries request by the sign of query facility location coordinate information; According to described position coordinates query requests frame, obtain described by the location coordinate information of query facility; At media access control layer, generated position coordinates inquiry response frame by the location coordinate information of query facility according to described; Send described position coordinates inquiry response frame to described application apparatus.
A kind of position query method is applied in the WiFi network, comprising: the position coordinates query requests frame that media access control layer is generated sends to the position enquiring device, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information; Receive the position coordinates inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility.
A kind of position enquiring device is applied in the WiFi network, comprising:
Position coordinates query requests frame receiving element is used to receive the position coordinates query requests frame that application apparatus sends, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
The location coordinate information acquiring unit is used for the position coordinates query requests frame according to described position coordinates query requests frame receiving element reception, obtains described by the location coordinate information of query facility;
Position coordinates inquiry response frame generation unit is used at media access control layer, is generated position coordinates inquiry response frame by the location coordinate information of query facility according to what described location coordinate information acquiring unit obtained;
Place information inquiry response frame transmitting element is used for sending the position coordinates inquiry response frame that described position coordinates inquiry response frame generation unit generates to described application apparatus.
A kind of application apparatus is applied in the WiFi network, comprising:
Position coordinates query requests frame transmitting element is used for the position coordinates query requests frame that media access control layer generates is sent to the position enquiring device, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
Position coordinates inquiry response frame receiving element is used to receive the position coordinates inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility.
A kind of position enquiring system is applied in the WiFi network, comprising:
Application apparatus, be used for the position coordinates query requests frame that media access control layer generates is sent to the position enquiring device, this position coordinates query requests frame carries request by the sign of query facility location coordinate information, receive the place information inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility;
Described position enquiring device, be used to receive the position coordinates query requests frame that described application apparatus sends, obtain by the location coordinate information of query facility according to described position coordinates query requests frame, at media access control layer, generated position coordinates inquiry response frame according to described by the location coordinate information of query facility, send described position coordinates inquiry response frame to described application apparatus.
The position query method that the embodiment of the invention provides, device and system and application apparatus, in the position coordinates query requests frame that the position enquiring device sends, carry request at application apparatus by the sign of query facility location coordinate information, so the position enquiring device can be according to described sign to obtaining by the location coordinate information of query facility, and this location coordinate information sent to application apparatus by position coordinates inquiry response frame, thereby make application apparatus can obtain more accurate position information, solved in the prior art, what application apparatus obtained is statement property literal or URI sign by the positional information of query facility, cause the inaccurate problem of positional information of acquisition, and because described position coordinates query requests frame and position coordinates inquiry response frame are all generated by media access control layer, in described position coordinates query requests frame and position coordinates inquiry response frame, do not carry and user-dependent information, so the technical scheme that the embodiment of the invention provides has versatility.
Description of drawings
The position query method flow chart that Fig. 1 provides for the embodiment of the invention;
The position query method flow chart that Fig. 2 provides for another embodiment of the present invention;
The position query method first embodiment flow chart that Fig. 3 provides for the embodiment of the invention;
The position query method that Fig. 4 provides for the embodiment of the invention shown in Figure 3 obtains the flow chart of application apparatus location coordinate information;
Position query method the 3rd embodiment flow chart that Fig. 5 provides for the embodiment of the invention;
Position query method the 4th embodiment flow chart that Fig. 6 provides for the embodiment of the invention;
Position query method the 5th embodiment flow chart that Fig. 7 provides for the embodiment of the invention;
The position enquiring apparatus structure schematic diagram one that Fig. 8 provides for the embodiment of the invention;
The structural representation of position coordinates acquiring unit 802 in the position enquiring device that Fig. 9 provides for the embodiment of the invention shown in Figure 8;
The application apparatus structural representation one that Figure 10 provides for the embodiment of the invention;
The application apparatus structural representation two that Figure 11 provides for the embodiment of the invention;
The position enquiring system structural representation that Figure 12 provides for the embodiment of the invention.
Embodiment
Application apparatus is when carrying out position enquiring in the prior art in order to solve, and from the inaccurate problem of positional information that the WiFi network obtains, the embodiment of the invention provides a kind of position query method, device and system and application apparatus.
The embodiment of the invention provide position query method, device and system and application apparatus all be applied in the WiFi network.
As shown in Figure 1, the position query method that the embodiment of the invention provides comprises:
802.11 protocol definition one class management frames, as shown in table 1, in the measurement request frame of described management frames, the measurement types value that comprises the location information request frame of asking descriptive geographical location information is 11, comprises the measurement types value 12 of the location information request frame of asking URI.
| Title | Measure types value |
| Comprise the position enquiring claim frame of asking descriptive geographical location information | ??11 |
| Comprise the position enquiring claim frame of asking URI | ??12 |
| Position coordinates query requests frame | ??13 |
The measurement type of table 1 measurement request frame
For the ease of merging mutually with 802.11 agreements, the versatility of the technical scheme that the raising embodiment of the invention provides, the request that described position coordinates query requests frame carries can be the measurement types value described in the measurement request frame of 802.11 protocol definitions by the sign of query facility location coordinate information, as shown in table 1, can define and measure types value is the position coordinates query requests information described in the 13 expression steps 101, certainly, also can define other measurement types values and represent the position coordinates query requests information described in the step 101, not do one by one herein and introduce.
In the present embodiment, described position coordinates query requests frame can also carry by inquiry apparatus information, for example: be provided with by the inquiry apparatus information flag bit in described position coordinates query requests frame, this flag bit was got 0 o'clock, and expression is an application apparatus itself by query facility; Got 1 o'clock, expression is the indicated equipment of described position coordinates query requests frame destination address by query facility.Certainly, also can directly in described position coordinates query requests frame, carry by the information of query facility, as: by the MAC Address of query facility, perhaps equipment unique identification etc.At this moment, described step 102 can according to carry in the described position coordinates query requests frame by inquiry apparatus information, obtain described by the location coordinate information of query facility.
Also can not carry in the described position coordinates query requests frame by inquiry apparatus information, according to the query strategy that presets, described position coordinates query requests frame is defaulted as the positional information of request inquiry application apparatus self, at this moment, described step 102 can be obtained the location coordinate information of described application apparatus according to described position coordinates query requests frame.
Certainly, more than two kinds determine by the query facility situation only for for example, be not limited in this in the use of reality, those skilled in the art can not give unnecessary details other situations understanding the technical acquisition easily of technical scheme that the embodiment of the invention provides herein.
With the position coordinates query requests frame described in the step 101 accordingly, the position coordinates inquiry response frame that this step generates also can carry the sign that expression comprises location coordinate information, in the present embodiment, the expression that described position coordinates inquiry response frame carries comprises the sign of location coordinate information, can be the measurement types value in the measurement response frame of 802.11 protocol definitions, as shown in table 2, can define and measure types value is the position coordinates inquiry response frame that 13 these steps of expression generate.
| Title | Measure types value |
| Comprise the position enquiring response frame of asking descriptive geographical location information | ??11 |
| Comprise the position enquiring response frame of asking URI | ??12 |
| Position coordinates inquiry response frame | ??13 |
Table 2 is measured the measurement type of response frame
The position query method that provides with as shown in Figure 1 the embodiment of the invention accordingly, as shown in Figure 2, the position query method that another embodiment of the present invention provides comprises:
By above-mentioned position query method illustrated in figures 1 and 2, application apparatus can obtain the location coordinate information of its equipment of inquiring about from the WiFi network, compared with prior art, the positional information that the application apparatus inquiry obtains is more accurate, more be applicable to some special applications, as navigation, or as the means of supplementing out economy of satellite navigation technology in the unreachable zone of satellite-signal.
In order to make those skilled in the art can more be expressly understood the technical scheme that the embodiment of the invention provides, above-mentioned position query method illustrated in figures 1 and 2 is described in detail below by specific embodiment.
The WiFi network can be divided into infrastructure network and peer-to-peer network, wherein, comprise access point apparatus (AP) in the described infrastructure network, a Basic Service Set (Basic Service Set, be called for short: the application apparatus BSS) all with the AP of this BSS link to each other, and be connected to BSS network node in addition by AP; Do not have AP in the described peer-to-peer network, can carry out peer-to-peer communications between each application apparatus.To be applied in infrastructure network and the peer-to-peer network be that example describes to the position query method that provides with the embodiment of the invention below.
Embodiment 1: in infrastructure network, application apparatus is to the positional information of AP inquiry oneself.As shown in Figure 3, its step comprises:
Step 301, application apparatus sends position coordinates query requests frame to AP, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information.
Step 302, after AP receives described position coordinates query requests frame, according to the query strategy that presets and described by the sign of query facility location coordinate information, judge the location coordinate information of application apparatus request inquiry self, obtain the location coordinate information of described application apparatus.
In the present embodiment, the AP method of obtaining the location coordinate information of application apparatus can comprise two kinds:
A kind ofly be, when AP place network does not have stationkeeping ability, obtain the location coordinate information of described AP self, with the location coordinate information of this location coordinate information as application apparatus, in the WiFi network, because AP coverage less (being generally about 100 meters), so be acceptable as the location coordinate information error range of application apparatus with the location coordinate information of AP;
Another kind is, when AP place network has stationkeeping ability, obtains the elements of a fix information of application apparatus, and for instance, as shown in Figure 4, its step comprises:
Step 401, AP sends the position configuration claim frame to application apparatus, the receiver address of assigned address notification frame AP or multicast address for this reason in described position configuration claim frame, the group that this multicast address is represented comprise this AP and other APs contiguous with this AP, as AP1 among Fig. 4 and AP2;
In the present embodiment, the receiver address of assigned address notification frame is a multicast address in the described position configuration claim frame, comprises AP and other APs contiguous with this AP;
After step 402, application apparatus receive described position configuration claim frame, to described AP home position configuration response frame;
Step 403, application apparatus generates the position informing frame according to receiving described position configuration claim frame, and the receiver address of appointment in described position configuration claim frame sends described position informing frame to AP, AP1 and AP2;
Described position informing frame carries the relevant information of generation application apparatus location coordinate informations such as transmitted power, antenna ID, antenna gain, RSNI (the signal to noise ratio indication of reception), RCPI (indication of receive channel power), motion indication, direction, rate travel and time;
Step 404, after AP, AP1 and AP2 receive described position informing frame, require to obtain location coordinate information indication, AP during with the relevant information of the generation application apparatus location coordinate information that carries in the described position informing frame and application apparatus inquiring position and receive the coordinate information that information such as RSNI, RCPI that described position informing frame obtains send to location server, AP;
Step 405, location server is sent for information about according to described AP, calculates the positional information that generates application apparatus;
Step 406, location server will be calculated the application apparatus location coordinate information that obtains and send to the AP that links to each other with this application apparatus.
In the method, AP also can have computing application device location coordinate information function, and this moment, AP can directly obtain the location coordinate information of application apparatus according to calculating.
Step 303, AP is at the MAC layer, according to the location coordinate information generation position coordinates inquiry response frame of the application apparatus that obtains in the described step 302.
Step 304, AP sends to described application apparatus with described position coordinates inquiry response frame.
Embodiment 2: in infrastructure network, application apparatus is to the positional information of AP inquiry AP.
Present embodiment is identical with embodiment 1 described flow process, its difference is, the destination device of described position coordinates inquiry request message is exactly AP, and described position coordinates inquiry request message indicates this AP by inquiry's positional information, and described AP sends to application apparatus with oneself location coordinate information by position coordinates inquiry response frame according to described indication.
Embodiment 3: in infrastructure network, application apparatus 1 is to the positional information of application apparatus 2 inquiry application apparatuss 2.As shown in Figure 5, its step comprises:
Step 501, application apparatus 1 sends position coordinates query requests frame to application apparatus 2, this position coordinates query requests frame carries by inquiry apparatus information, in the present embodiment, position coordinates query requests frame carries by inquiry apparatus information sign 1, the positional information of indication inquiry remote equipment, this position coordinates query requests frame also carries request by the sign of query facility location coordinate information.
Step 502, application apparatus 2 is to the location coordinate information of the AP request that is connected with oneself oneself, and this process can be described referring to embodiment 1, repeats no more herein.
Step 503, application apparatus 2 be according in the step 502, and oneself location coordinate information of acquisition generates position coordinates inquiry response frame at the MAC layer.
Step 504, application apparatus 2 sends to application apparatus 1 with described position coordinates inquiry response frame.
Embodiment 4: in infrastructure network, application apparatus 1 is to the positional information of AP inquiry application apparatus 2.As shown in Figure 6, its step comprises:
Step 601, application apparatus 1 sends position coordinates query requests frame to application apparatus 2, this position coordinates query requests frame carries by inquiry apparatus information---and the MAC Address of application apparatus 2, this position coordinates query requests frame also carries request by the sign of query facility location coordinate information.
Whether step 602 is transmitted in the process at said position coordinates query requests frame, after AP receives described position coordinates query requests frame, inquire about described application apparatus 2 according to the MAC Address of described application apparatus 2 and be connected with it;
Step 603, when the Query Result of described step 602 is that application apparatus 2 is when being connected with AP, AP directly sends the position configuration claim frame to equipment 2 and starts position fixing process, obtain the location coordinate information of application apparatus 2, this process can not done herein and give unnecessary details referring to described to step 406 of Fig. 4 and step 401.
Step 604, AP generates position coordinates inquiry response frame according to the location coordinate information of the application apparatus 2 that obtains in the step 603 at the MAC layer.
Step 605, AP sends to application apparatus 1 with described position coordinates inquiry response frame.
Embodiment 5: in peer-to-peer network, and the positional information of application apparatus 1 inquiry oneself.As shown in Figure 7, its step comprises:
Step 701, application apparatus 1 sends position coordinates query requests frame with the peer-to-peer network of form to the place of broadcasting or multicast, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information.
Step 702, the application apparatus 2 of peer-to-peer network and application apparatus 3 receive described position coordinates query requests frame, application apparatus 2 can't obtain location coordinate information, so this position coordinates query requests frame is not responded, application apparatus 3 is by the location coordinate information of means such as GPS acquisition self, with the location coordinate information of this location coordinate information as application apparatus 1.Here, application apparatus 3 need not start new position measurement process after receiving position enquiring message, as long as the effective positional information application apparatus 1 that just can make an immediate response is arranged.
Step 703, application apparatus 3 generate position coordinates inquiry response frame according to the location coordinate information of described acquisition at the MAC layer.
Step 704, application apparatus 3 sends to application apparatus 1 with described position coordinates inquiry response frame.
In the present embodiment, because the area coverage of WiFi network is very little, so can satisfy the requirement of position error with the location coordinate information of application apparatus 3 as the location coordinate information of application apparatus 1, application apparatus 1 can satisfy some application-specific with this coordinate information as a reference.
In above embodiment, the location coordinate information that described position coordinates inquiry response frame comprises can be as shown in table 3:
| Longitude | Latitude | Highly | Precision |
The location coordinate information that table 3 position coordinates inquiry response frame comprises
Wherein, the precision of longitude and latitude should satisfy the demand of walking navigation, generally behind the decimal point four, when expressing, it can be amplified 10000 times, so just can represent with the lint-long integer of nybble, symbolically thing warp and north and south latitude, for example positive number is represented east longitude and north latitude, negative number representation west longitude and south latitude;
Highly can be as accurate as 1 meter, numerical value is exactly actual height like this, and the sea level is 0 meter, and negative number representation is lower than the sea level.
Precision is meant the accuracy of measurement result, and unit can be 0.1 meter.When being 50, value represents that precision is 5 meters.Precision is that 5 meters the meaning is, resulting coordinate information radius is to be the possible position of measurement target in 5 meters the scope.
In above embodiment, described position coordinates query requests frame can also carry the polling interval temporal information, the unit of this polling interval temporal information can be second, at this moment, can obtain described according to the indicated polling interval of temporal information, described polling interval by the location coordinate information of query facility.
Further, described position coordinates query requests frame can also carry inquiry duration information, the unit of this inquiry duration information also can be second, at this moment, can be in the inquiry duration of described inquiry duration information indication, according to the indicated polling interval of temporal information, described polling interval, obtain described by the location coordinate information of query facility.
The position query method that the embodiment of the invention provides, in the position coordinates query requests frame that the position enquiring device sends, carry request at application apparatus by the sign of query facility location coordinate information, so the position enquiring device can be according to described sign to obtaining by the location coordinate information of query facility, and this location coordinate information sent to application apparatus by position coordinates inquiry response frame, thereby make application apparatus can obtain more accurate position information, solved in the prior art, what application apparatus obtained is statement property literal or URI sign by the positional information of query facility, cause the inaccurate problem of positional information of acquisition, and because described position coordinates query requests frame and position coordinates inquiry response frame are all generated by media access control layer, in described position coordinates query requests frame and position coordinates inquiry response frame, do not carry and user-dependent information, so the technical scheme that the embodiment of the invention provides has versatility.
The embodiment of the invention also provides a kind of position enquiring device, and this device is applied in the WiFi network, as shown in Figure 8, comprising:
Position coordinates query requests frame receiving element 801 is used to receive the position coordinates query requests frame that application apparatus sends, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
Location coordinate information acquiring unit 802 is used for the position coordinates query requests frame according to described position coordinates query requests frame receiving element 801 receptions, obtains described by the location coordinate information of query facility;
Position coordinates inquiry response frame generation unit 803 is used for the layer at MAC, is generated position coordinates inquiry response frame by the location coordinate information of query facility according to what described location coordinate information acquiring unit 802 obtained;
Place information inquiry response frame transmitting element 804 is used for sending the position coordinates inquiry response frame that described position coordinates inquiry response frame generation unit 803 generates to described application apparatus.
As shown in Figure 9, described location coordinate information acquiring unit 802 can comprise:
Position configuration claim frame transmitting element 8021 is used for being sent the position configuration claim frame to described by query facility;
Position configuration response frame receiving element 8022 is used to receive the described position configuration response frame that is sent by query facility;
Position informing frame receiving element 8023 is used to receive the described position configuration notification frame that is sent by query facility;
Position coordinates acquiring unit 8024 is used for obtaining described by the location coordinate information of query facility according to the position informing frame that described position informing frame receiving element 803 receives.
In the present embodiment, described location coordinate information acquiring unit 802 can be determined by query facility according to described position coordinates query requests frame, as: can according to the query strategy that presets or as described in carry in the position coordinates query requests frame determined by query facility by inquiry apparatus information, concrete grammar can be described referring to the position query method that the embodiment of the invention provides, and repeats no more herein; When carrying polling interval temporal information and inquiry duration information in the position coordinates query requests frame that described position coordinates query requests frame receiving element 801 receives, described location coordinate information acquiring unit 802, can also be in the inquiry duration of described inquiry duration information indication, according to the indicated polling interval of temporal information, described polling interval, obtain described by the location coordinate information of query facility.
The position enquiring device that the embodiment of the invention provides, in the position coordinates query requests frame that the position enquiring device sends, carry request at application apparatus by the sign of query facility location coordinate information, so the position enquiring device can be according to described sign to obtaining by the location coordinate information of query facility, and this location coordinate information sent to application apparatus by position coordinates inquiry response frame, thereby make application apparatus can obtain more accurate position information, solved in the prior art, what application apparatus obtained is statement property literal or URI sign by the positional information of query facility, cause the inaccurate problem of positional information of acquisition, and because described position coordinates query requests frame and position coordinates inquiry response frame are all generated by media access control layer, in described position coordinates query requests frame and position coordinates inquiry response frame, do not carry and user-dependent information, so the technical scheme that the embodiment of the invention provides has versatility.
As shown in figure 10, the embodiment of the invention also provides a kind of application apparatus, is applied in the WiFi network, comprising:
Position coordinates query requests frame transmitting element 1001 is used for the position coordinates query requests frame that the MAC layer generates is sent to the position enquiring device, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
Position coordinates inquiry response frame receiving element 1002, be used to receive the position coordinates inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility.
Further, for the position enquiring device that makes the WiFi network side can obtain the locating information of application apparatus, as shown in figure 11, the application apparatus that the embodiment of the invention provides can also comprise:
Position configuration claim frame receiving element 1003 is used for the position configuration claim frame that the receiving position inquiry unit sends;
Position configuration response frame transmitting element 1004 is used for generating the position configuration response frame according to described position configuration claim frame, sends described position configuration response frame to described position enquiring device;
Position informing frame transmitting element 1005 is used for generating the position informing frame according to described position configuration claim frame, and this position informing frame carries the relevant information that generates location coordinate information, sends described position informing frame to described position enquiring device.
Carry request by the sign of query facility location coordinate information in the position coordinates query requests frame that the application apparatus that the embodiment of the invention provides sends, so the position enquiring device can be according to described sign to obtaining by the location coordinate information of query facility, and this location coordinate information sent to application apparatus by position coordinates inquiry response frame, thereby make application apparatus can obtain more accurate position information, solved in the prior art, what application apparatus obtained is statement property literal or URI sign by the positional information of query facility, cause the inaccurate problem of positional information of acquisition, and because described position coordinates query requests frame and position coordinates inquiry response frame are all generated by media access control layer, in described position coordinates query requests frame and position coordinates inquiry response frame, do not carry and user-dependent information, so the technical scheme that the embodiment of the invention provides has versatility.
The embodiment of the invention also provides a kind of position enquiring system, is applied in the WiFi network, as shown in figure 12, comprising:
Application apparatus 1201, be used for the position coordinates query requests frame that the MAC layer generates is sent to position enquiring device 1202, this position coordinates query requests frame carries request by the sign of query facility location coordinate information, receive the place information inquiry response frame that described position enquiring device 1202 returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility;
Described position enquiring device 1202, be used to receive the position coordinates query requests frame that described application apparatus 1201 sends, obtain by the location coordinate information of query facility according to described position coordinates query requests frame, at the MAC layer, generated position coordinates inquiry response frame according to described by the location coordinate information of query facility, send described position coordinates inquiry response frame to described application apparatus 1201.
Further, described position enquiring device 1202, also be used for sending the position configuration claim frame to described application apparatus 1201, receive position configuration response frame and position informing frame that described application apparatus 1201 sends, obtain the location coordinate information of described application apparatus 1201 according to described position informing frame;
Described application apparatus 1201, also be used to receive the position configuration claim frame that described position enquiring device 1202 sends, generate and send the position configuration response frame according to described position configuration claim frame, generate the position informing frame according to described position configuration claim frame, this position message notification frame is carried the relevant information that generates location coordinate information, sends described position informing frame to described position enquiring device 1202.
The position enquiring system that the embodiment of the invention provides, in the position coordinates query requests frame that the position enquiring device sends, carry request at application apparatus by the sign of query facility location coordinate information, so the position enquiring device can be according to described sign to obtaining by the location coordinate information of query facility, and this location coordinate information sent to application apparatus by position coordinates inquiry response frame, thereby make application apparatus can obtain more accurate position information, solved in the prior art, what application apparatus obtained is statement property literal or URI sign by the positional information of query facility, cause the inaccurate problem of positional information of acquisition, and because described position coordinates query requests frame and position coordinates inquiry response frame are all generated by media access control layer, in described position coordinates query requests frame and position coordinates inquiry response frame, do not carry and user-dependent information, so the technical scheme that the embodiment of the invention provides has versatility.
One of ordinary skill in the art will appreciate that all or part of step that realizes in the foregoing description method is to instruct relevant hardware to finish by program, described program can be stored in the computer-readable recording medium, as ROM/RAM, magnetic disc or CD etc.
The above; only be the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, anyly is familiar with those skilled in the art in the technical scope that the present invention discloses; can expect easily changing or replacing, all should be encompassed within protection scope of the present invention.Therefore, protection scope of the present invention should be as the criterion by described protection range with claim.
Claims (13)
1, a kind of position query method is applied in the WiFi network, it is characterized in that, comprising:
Receive the position coordinates query requests frame that application apparatus sends, this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
According to described position coordinates query requests frame, obtain described by the location coordinate information of query facility;
At media access control layer, generated position coordinates inquiry response frame by the location coordinate information of query facility according to described;
Send described position coordinates inquiry response frame to described application apparatus.
2, position query method according to claim 1 is characterized in that, described position coordinates query requests frame also carries by inquiry apparatus information;
Then described according to described position coordinates query requests frame, obtain described location coordinate information and comprise by query facility:
According to carry in the described position coordinates query requests frame by inquiry apparatus information, obtain described by the location coordinate information of query facility.
3, position query method according to claim 1 and 2 is characterized in that, describedly obtains described location coordinate information by query facility and comprises:
Sent the position configuration claim frame to described by query facility;
Receive the described position configuration response frame that is sent by query facility;
Receive the described position informing frame that is sent by query facility;
Obtain described by the location coordinate information of query facility according to described position informing frame.
4, position query method according to claim 1 is characterized in that, described position coordinates query requests frame also carries the polling interval temporal information;
Then describedly obtain described location coordinate information and comprise by query facility:
According to the indicated polling interval of temporal information, described polling interval, obtain described by the location coordinate information of query facility.
5, position query method according to claim 4 is characterized in that, described position coordinates query requests frame also carries inquiry duration information;
Then described according to the indicated polling interval of temporal information, described polling interval, obtain described location coordinate information and comprise by query facility:
In the inquiry duration of described inquiry duration information indication,, obtain described by the location coordinate information of query facility according to the indicated polling interval of temporal information, described polling interval.
6, a kind of position query method is applied in the WiFi network, it is characterized in that, comprising:
The position coordinates query requests frame that media access control layer is generated sends to the position enquiring device, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
Receive the position coordinates inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility.
7, position query method according to claim 6, the described position coordinates query requests frame that media access control layer is generated sends to after the position enquiring device, before the position coordinates inquiry response frame that the described position enquiring device of described reception returns, also comprise:
The position configuration claim frame that the receiving position inquiry unit sends;
Generate the position configuration response frame according to described position configuration claim frame, send described position configuration response frame to described position enquiring device;
Generate the position informing frame according to described position configuration claim frame, this position informing frame carries the relevant information that generates location coordinate information, sends described position informing frame to described position enquiring device.
8, a kind of position enquiring device is applied in the WiFi network, it is characterized in that, comprising:
Position coordinates query requests frame receiving element is used to receive the position coordinates query requests frame that application apparatus sends, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
The location coordinate information acquiring unit is used for the position coordinates query requests frame according to described position coordinates query requests frame receiving element reception, obtains described by the location coordinate information of query facility;
Position coordinates inquiry response frame generation unit is used at media access control layer, is generated position coordinates inquiry response frame by the location coordinate information of query facility according to what described location coordinate information acquiring unit obtained;
Place information inquiry response frame transmitting element is used for sending the position coordinates inquiry response frame that described position coordinates inquiry response frame generation unit generates to described application apparatus.
9, position enquiring device according to claim 8 is characterized in that, described location coordinate information acquiring unit comprises:
Position configuration claim frame transmitting element is used for being sent the position configuration claim frame to described by query facility;
Position configuration response frame receiving element is used to receive the described position configuration response frame that is sent by query facility;
Position informing frame receiving element is used to receive the described position configuration notification frame that is sent by query facility;
The position coordinates acquiring unit is used for obtaining described by the location coordinate information of query facility according to the position informing frame that described position informing frame receiving element receives.
10, a kind of application apparatus is applied in the WiFi network, it is characterized in that, comprising:
Position coordinates query requests frame transmitting element is used for the position coordinates query requests frame that media access control layer generates is sent to the position enquiring device, and this position coordinates query requests frame carries request by the sign of query facility location coordinate information;
Position coordinates inquiry response frame receiving element is used to receive the position coordinates inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility.
11, application apparatus according to claim 10 is characterized in that, also comprises:
Position configuration claim frame receiving element is used for the position configuration claim frame that the receiving position inquiry unit sends;
Position configuration response frame transmitting element is used for generating the position configuration response frame according to described position configuration claim frame, sends described position configuration response frame to described position enquiring device;
Position informing frame transmitting element is used for generating the position informing frame according to described position configuration claim frame, and this position informing frame carries the relevant information that generates location coordinate information, sends described position informing frame to described position enquiring device.
12, a kind of position enquiring system is applied in the WiFi network, it is characterized in that, comprising:
Application apparatus, be used for the position coordinates query requests frame that media access control layer generates is sent to the position enquiring device, this position coordinates query requests frame carries request by the sign of query facility location coordinate information, receive the place information inquiry response frame that described position enquiring device returns, this position coordinates inquiry response frame carry that described position coordinates query requests frame asked by the location coordinate information of query facility;
Described position enquiring device, be used to receive the position coordinates query requests frame that described application apparatus sends, obtain by the location coordinate information of query facility according to described position coordinates query requests frame, at media access control layer, generated position coordinates inquiry response frame according to described by the location coordinate information of query facility, send described position coordinates inquiry response frame to described application apparatus.
13, position enquiring system according to claim 12, it is characterized in that, described position enquiring device, also be used for sending the position configuration claim frame to described application apparatus, receive position configuration response frame and position informing frame that described application apparatus sends, obtain the location coordinate information of described application apparatus according to described position informing frame;
Described application apparatus, also be used to receive the position configuration claim frame that described position enquiring device sends, generate and send the position configuration response frame according to described position configuration claim frame, generate the position informing frame according to described position configuration claim frame, this position message notification frame is carried the relevant information that generates location coordinate information, sends described position informing frame to described position enquiring device.
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810133179A CN101626330A (en) | 2008-07-09 | 2008-07-09 | Method, device and system for inquiring position and application equipment |
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| Application Number | Priority Date | Filing Date | Title |
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| CN200810133179A CN101626330A (en) | 2008-07-09 | 2008-07-09 | Method, device and system for inquiring position and application equipment |
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| CN101626330A true CN101626330A (en) | 2010-01-13 |
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| CN200810133179A Pending CN101626330A (en) | 2008-07-09 | 2008-07-09 | Method, device and system for inquiring position and application equipment |
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| CN103383809A (en) * | 2013-07-21 | 2013-11-06 | 熊国顺 | System for emergency vehicle rescue and identity recognition and application method |
| WO2014100998A1 (en) * | 2012-12-26 | 2014-07-03 | 华为技术有限公司 | Method, device and system for processing message |
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| WO2017113209A1 (en) * | 2015-12-30 | 2017-07-06 | 王晓光 | Method and system for managing a position of video advertising machine |
| WO2024001742A1 (en) * | 2022-06-29 | 2024-01-04 | 华为技术有限公司 | Parking-space addressing method, parking-space marking method and terminal device |
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| WO2014100998A1 (en) * | 2012-12-26 | 2014-07-03 | 华为技术有限公司 | Method, device and system for processing message |
| CN104040988A (en) * | 2012-12-26 | 2014-09-10 | 华为技术有限公司 | Method, device and system for processing message |
| CN104040988B (en) * | 2012-12-26 | 2017-02-22 | 华为技术有限公司 | Method, device and system for processing message |
| CN103383809A (en) * | 2013-07-21 | 2013-11-06 | 熊国顺 | System for emergency vehicle rescue and identity recognition and application method |
| CN106612217A (en) * | 2015-10-27 | 2017-05-03 | 弗兰克公司 | System and method for utilizing machine-readable codes for testing communication network |
| WO2017113209A1 (en) * | 2015-12-30 | 2017-07-06 | 王晓光 | Method and system for managing a position of video advertising machine |
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