CN100544262C - Gps group navigation system and method thereof - Google Patents
Gps group navigation system and method thereof Download PDFInfo
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- CN100544262C CN100544262C CNB2006101238169A CN200610123816A CN100544262C CN 100544262 C CN100544262 C CN 100544262C CN B2006101238169 A CNB2006101238169 A CN B2006101238169A CN 200610123816 A CN200610123816 A CN 200610123816A CN 100544262 C CN100544262 C CN 100544262C
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Abstract
The present invention discloses a kind of GPS group navigation system and method thereof, and this system comprises: as this mobile platform of preferential platform, described respectively this preferential platform forms any preferential node to spot net by an initialization negotiation mechanism more than one; As the mobile platform of common platform, set up the online of this preferential node respectively and this ordinary node respectively by this initialization negotiation mechanism, more than one with the ordinary node of formation point to point network; Wherein, this initialization negotiation mechanism is carried out according to the request that respectively this mobile platform sent separately; Wherein, described respectively this common platform comprises transmission one gps data after finishing connection communication data is to the correspondence that is connected this preferential node respectively, the communication data of respectively this gps data of receiving by this point to point network clearing house of this preferential node respectively, the communication data of respectively this gps data that this preferential node will exchange is sent to respectively this ordinary node that is connected, and finishes the respectively navigation of the group between this mobile platform.
Description
[technical field]
A kind of group navigation system of the present invention and method thereof, refer in particular to a kind of in mobile platform group navigation system and the method thereof in conjunction with the application of GPS information and point to point network.
[background technology]
GPS (Global Position System) (GPS, Global Position System) is by receiving satellite signal, in the hope of a kind of technology of moving target position.This system is made up of three parts: satellite network, ground station and user receiving equipment.Ground station carries out monitor management to satellite network, and satellite network sends navigation information to earth surface, and user receiving equipment is collected GPS navigation information and obtained navigation data such as location.GPS provides the satellite-signal that can handle specific coding in user receiving equipment, to produce the Position, Velocity and Time of a receiving element.The time migration that four of common needs or a plurality of gps satellite signal go to calculate three-dimensional location coordinates and receiver relative fixed coordinate system.Gps system is global, round-the-clock a, immediate addressing, test the speed and the system when surveying.
Along with progress of science and technology, wireless location and airmanship development are rapidly, GPS has been widely used in the location and navigation of military affairs, tracking, outdoor activities and the various vehicles, and provide very big convenience, people can utilize GPS to receive the framing signal of navigation satellite, and then directly learn the position at own place.
Therefore, when applying GPS when a plurality of mobile platforms and member are a colony to each other, though can be equipped with gps receiver to each moving target, but all gps receivers only can receive one's own position situation, so in the time need knowing the gps receiver position that other member holds, just can't obtain in real time, the difficulty that causes the group member contact to grasp, for instance: when going on a tour together, possible some member can take off team, causes the safety problem of member when going on a tour.
Therefore, the contact or the affirmation of position exist certain difficulty and limitation to each other for them.Generally speaking, though can pass through global system for mobile communications (GSM, Global System for MobileCommunication) or the general packet radio service (GPRS of radio communication, General PocketRadio Service) mobile communication technology such as, inquire that by handheld mobile communication devices such as radio the other side is to understand its Position Approximate, but for strange each other geographical position, it also can't fully understand the place of certain position.And be subject to wireless transmission medium characteristics such as GSM and GPRS, under the situation that does not have GSM or GPRS signal fully, the communication between colony more exists very big problem and difficulty.Particularly under alarm, the problems referred to above are then more outstanding.
In view of this, be necessary to develop a kind of GPS group navigation system and method thereof in fact, thereby between the group of the moving target of a plurality of GPS of having, set up a reliable contact channel, making can be in time between the group and recognize each other geographical position exactly, even and under the situation that does not have GSM or GPRS signal fully, also can realize contact to each other.
[summary of the invention]
In order to solve above-mentioned the problems of the prior art and defective, the object of the present invention is to provide a kind of GPS group navigation system and method, be applied in the navigation of a plurality of mobile platforms, by solving existing in prior technology problem and limitation.
Group's air navigation aid of GPS provided by the present invention, this method mainly comprises:
Carry out the initialization negotiation mechanism according to the request that each mobile platform sent separately; Coordinate by the initialization negotiation mechanism, the mobile platform that defines preferential platform more than respectively is as preferential node, and the mobile platform of an above common platform of definition is as ordinary node, to generate point to point network; Set up the online of each preferential node and each ordinary node by the initialization negotiation mechanism; Transmission is comprised the communication data of gps data to each the preferential node of correspondence that is connected in finishing each ordinary node of connection back; The communication data of each gps data that each preferential node receives by the point to point network clearing house; And the communication data of each preferential node each gps data that will exchange is sent to each ordinary node that is connected, and finishes the group's navigation between each mobile platform.
GPS group navigation system of the present invention, this system cooperates said method, by SMS messaging exchanged form that each mobile platform sent separately or real time communication packet-switched mode to start the initialization negotiation mechanism, coordinate to define each mobile platform as preferential platform and common platform by the initialization negotiation mechanism, that is preferential node and ordinary node in the point to point network.
Wherein, each preferential platform and each common platform adopt talks to open the beginning protocol technology (SessionInitiation Protocol SIP) carries out that data transmit and exchange.And each preferential platform more includes online monitoring module, in order to the current available on line state of detecting described each preferential node and described each ordinary node of corresponding connection or calculate the step of described each preferential node and the distance of corresponding described each ordinary node that is connected, and then set up between described each ordinary node of described each preferential node and corresponding connection and the on-line mode between described each preferential node.
This on-line mode can be undertaken by GPRS, WLAN, WiMax and 3G at least.Therefore, even under the situation that does not have GSM or 3G signal,, then can keep the stability of communicating by letter between each mobile platform in order to keep the running of navigation platform as long as each mobile platform is positioned at the scope of radio communication.And the present invention can set up online mode to determine it each other according to the distance between a plurality of mobile platforms, and then improves the efficiency of transmission of data.
Each preferential platform of the present invention and each common platform also include anti-broken string (Keep Alive) mechanism, to guarantee online the keeping normally between each preferential platform and each common platform.Send the mode of registration demand information to preferential node by ordinary node in the point to point network, the state that each node can regularly be repaid its existence or withdraw from, and then when node breaks away from this point to point network, restart initialized negotiation mechanism, to regenerate new point to point network group, keep the running correctness of navigation platform.
GPS group navigation system of the present invention and method communicate group's navigation platform of framework by Peer to Peer Architecture, can realize being connected directly on other mobile platform without trunking between a plurality of mobile platforms, comprise GPS information the various communication informations exchange with share, and then can realize the transmission of geography information between a plurality of mobile platforms.
In sum, compared to prior art, disclosed GPS group navigation system and method can make by P-2-P technology sets up a platform that can carry out group's navigation between a plurality of mobile platforms, so that can fully grasp the information of reason positively and the travel information of other mobile platform at any time.
For purpose of the present invention, structural feature and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 is the system architecture diagram of GPS group navigation system of the present invention.
Fig. 2 is the preferential platform of GPS group navigation system of the present invention and the system block diagrams of common platform.
Fig. 3 is the method flow diagram of GPS of the present invention group air navigation aid.
[embodiment]
Fig. 1 is the system architecture diagram of GPS group navigation system of the present invention, and Fig. 2 is the system block diagrams of preferential platform 20 with the common platform 30 of GPS group navigation system of the present invention, and the method flow diagram of Fig. 3 GPS of the present invention group air navigation aid.
Please refer to Fig. 1, represented the system architecture of GPS group navigation system of the present invention among the figure, wherein black color dots is represented preferential platform 20 of the present invention, and white point is represented common platform 30 of the present invention.The preferential platform 20 of black color dots and the common platform 30 of white point are represented a plurality of mobile platforms respectively, as we know from the figure, part in these mobile platforms by as preferential platform 20 and by an initialization negotiation mechanism form in one point-to-point (P2P) network preferential node, all the other mobile platforms then equally also are connected on each different preferential platforms 20 by this initialization negotiation mechanism as common platform 30, form the ordinary node of point-to-point (P2P) network.Therefore, by the initialization negotiation mechanism, can make to generate a point-to-point group navigation network between a plurality of mobile platforms, thereby can carry out the transmission and the exchange of the various communication informations between a plurality of mobile platforms.
The initialization negotiation mechanism, initiatively produce according to the request between each mobile platform, this kind request can be by the mode that exchanges with SMS messaging as the GSM network, or utilize the mode of general real-time communication software with packet-switched, the initialization negotiation mechanism just can initiatively be carried out when a plurality of mobile platforms produce request each other, and then generate a point to point network group that can be used as navigation platform, as shown in Figure 1, the part of relevant initialization negotiation mechanism belongs to the prior art in point to point network field, seldom gives unnecessary details at this.
In the present invention, each preferential platform and each common platform all possess anti-broken string (Keep Alive) mechanism are arranged, and then make between the common platform 30 of each preferential platform 20 and corresponding connection, perhaps between each preferential platform, all can guarantee this navigation platform normal operation by regular packet-switched.By anti-broken string (Keep Alive) mechanism, when desiring to withdraw from navigation platform, common platform 30 all must notify the corresponding preferential platform 20 that connects earlier, to keep the correctness of navigation platform.In case when having preferential platform 20 to desire to withdraw from, then initialization negotiation mechanism must restart execution, to coordinate determining new preferential platform 20 to be in charge of the contact of common platform 30 in navigation platform under preferential platform 20.If undesired broken string appears in preferential platform 20, anti-broken string (Keep Alive) mechanism of the common platform 30 that then preferential thus platform connects for 20 times starts the initialization negotiation mechanism, forms a new point to point network group.
Describe the actual operation principle between each platform in the GPS group navigation system of the present invention in detail below in conjunction with Fig. 2.Please refer to Fig. 2, this figure is the system block diagrams of preferential platform 20 with the common platform 30 of GPS group navigation system of the present invention.Here for convenience of explanation, only pick out the wherein correspondence and the structure thereof of a preferential platform 20 and a common platform 30 among Fig. 2, to be described in detail, common platform 30 is in a plurality of common platforms 30 with preferential platform 20 corresponding connections one of them here.Of particular note, all preferential platform 20 and the common platform 30 with shown in Figure 2 is identical for relation of getting in touch between other a plurality of preferential platforms 20 with annexation shown in Fig. 1 and the common platform 30 and operation principles, so do not repeat them here.
As shown in Figure 2, preferential platform 20 has an online monitoring module 22, in order to detecting the current available on line state of preferential platform 20 and the common platform 30 of corresponding connection, and then sets up the on-line mode between preferential platform 20 and the common platform 30.Here current available online 24 can select one arbitrarily by including in the wireless communication protocols such as GPRS, WLAN, WiMax and 3G network, with as the online media agreement between preferential platform 20 and the common platform 30, and then between sets up a data transmission channel, comprises gps data in interior various transmission of Information.
After the data transmission channel of setting up 30 of preferential platform 20 and common platforms, common platform 30 transmits its communication information, for example gps data, on line state and other literal, voice, image data or the like are to the corresponding preferential platform 20 that connects, in order to realize group's navigation, gps data wherein is necessary.Preferential 20 communication informations that receive and compile common platform 30 of platform.The present invention can utilize talks to open the beginning agreement, and (Session Initiation Protocol, SIP) technology stores and to comprise common platform 30 at the interior relative position of each common platform 30 in navigation platform, and the communication information etc. that transmits common platform 30.The communication information that preferential platform 20 will comprise the common platform 30 that the correspondence of common platform 30 connects converge whole after, carry out exchanges data by point to point network shown in Figure 1 between other each preferential platform.Certainly the data that preferential platform 20 also receives other preferential platform and sent, and is converged and pass other common platform 30 that comprises common platform 30 that is connected under it back after putting in order, thereby realize the connection communication between a plurality of mobile platforms.
In addition, can have a GPS device 32 on the common platform 30 of the present invention, obtaining the positional information of corresponding mobile platform by HA Global Positioning Satellite, but not necessarily each common platform 30 all needs to possess the GPS device, and common platform 30 only can receive the information of other mobile platform in such cases.After receiving the integrate information that comprises GPS information when common platform 30, can directly deliver to the display module 34 in the platform, by display module 34 wherein the coordinate data of GPS information convert map to and show; Simultaneously, display module 34 shows with mode word after also coordinate data can being converted to position data, and then understands the current location information of the corresponding mobile platform of other platform.
Fig. 2 has illustrated preferential platform 20 with annexation and the communication mode between the common platform 30, communication mode about 20 on each preferential platform of comprising preferential platform 20 is also similar with Fig. 2, just the online monitoring module of each preferential platform 20 can pass through the current available on line state of each preferential platform 20 of detecting, and then sets up the on-line mode between the preferential platform 20.In addition, the online monitoring module of preferential platform 20 is also by calculating the distance between each preferential platform 20, to select suitable on-line mode.
Fig. 3 is the flow chart of GPS of the present invention group air navigation aid, as shown in the figure, at first begin to carry out initialization negotiation mechanism (step 101) according to the request that each mobile platform sent, this request can start the initialization negotiation mechanism by SMS messaging exchanged form or real time communication packet-switched mode; Then coordinate by the initialization negotiation mechanism, the mobile platform that defines preferential platform 20 more than respectively is as preferential node, and the mobile platform of an above common platform 30 of definition is as ordinary node, to generate point to point network (step 102); Set up online (step 103) of each preferential node and each ordinary node by this initialization negotiation mechanism.After generating point to point network, detect the current available on line state of each preferential node and each ordinary node of corresponding connection, and then set up between the ordinary node of preferential node and corresponding connection and the on-line mode between each preferential node, perhaps also can be by between each ordinary node that calculates each preferential node and corresponding connection and the distance between each preferential node, and then definite suitable on-line mode.Wherein at least can be by selecting the media agreement of one in the wireless communication protocol of GPRS, WLAN, WiMax and 3G arbitrarily as this on-line mode.
Afterwards, each ordinary node then adopts talks to open beginning agreement (Session Initiation Protocol, SIP) the technology transfer communication information that comprises gps data (step 104) to corresponding each preferential platform 20 that connects.Each preferential node compiles the communication information that comprises gps data of corresponding each ordinary node that connects, and carries out exchanges data (step 105) by point to point network between each preferential node.Each preferential node converges the swap data of whole other each preferential node respectively, and is sent in its corresponding each ordinary node 30 that connects, thereby realizes the lasting running of the navigation platform of a plurality of mobile platforms.
Claims (14)
1, a kind of GPS group navigation system is applied to it is characterized in that this system comprises in group's navigation of several mobile platforms:
In the described mobile platform several are as preferential platform, and wherein said respectively this preferential platform forms any preferential node to spot net by an initialization negotiation mechanism;
All the other mobile platforms in the described mobile platform are as common platform, and described common platform is connected in different respectively this preferential nodes by this initialization negotiation mechanism, to form the ordinary node of this point to point network; Wherein, this initialization negotiation mechanism is carried out according to the request that described mobile platform sent separately;
Wherein, described respectively this common platform comprises transmission one gps data after finishing connection communication data is to the correspondence that is connected this preferential node respectively, respectively this preferential node by this point to point network clearing house receive respectively this comprises the communication data of gps data, respectively this communication data that comprises gps data that this preferential node will exchange is sent to respectively this ordinary node that is connected, and finishes the group's navigation between the described mobile platform.
2, GPS group navigation system as claimed in claim 1 is characterized in that, this request starts this initialization negotiation mechanism by a SMS messaging exchanged form or a real time communication packet-switched mode.
3, GPS group navigation system as claimed in claim 1 is characterized in that, described each preferential platform and described each common platform employing talks are opened the beginning protocol technology and carried out data transmission and exchange.
4, GPS group navigation system as claimed in claim 1, it is characterized in that, described each preferential platform more includes an online monitoring module, in order to the current available on line state of detecting described respectively this preferential node and described respectively this ordinary node of corresponding connection or calculate the distance of described respectively this preferential node and corresponding described respectively this ordinary node that is connected, and then set up described respectively this preferential node and corresponding connect described respectively between this ordinary node and the described respectively on-line mode between this preferential node.
5, GPS group navigation system as claimed in claim 4 is characterized in that, this on-line mode can be selected one arbitrarily in the wireless communication protocol group combination by GPRS, WLAN, WiMax and 3G.
6, GPS group navigation system as claimed in claim 1 is characterized in that, the equal tool one anti-broken string mechanism of described each preferential platform and described respectively this common platform.
7, GPS group navigation system as claimed in claim 1 is characterized in that, described each common platform is more in order to send a registration demand information at least one described this preferential node after generating this point to point network.
8, a kind of GPS group air navigation aid is applied to it is characterized in that this method comprises the following steps: in group's navigation of several mobile platforms
Carry out an initialization negotiation mechanism according to the request that respectively this mobile platform sent separately;
Coordinate by this initialization negotiation mechanism, the mobile platform that defines several preferential platforms respectively is as preferential node, and the mobile platform of an above common platform of definition is as ordinary node, to generate a bit spot net;
To respectively by this initialization negotiation mechanism, this ordinary node is connected in different respectively this preferential nodes;
After finishing connection respectively this ordinary node communication data that transmission is comprised a gps data to the correspondence that is connected this preferential node respectively;
Respectively this preferential node by this point to point network clearing house receive respectively this comprises the communication data of gps data; And
Respectively this preferential node respectively this communication data that comprises gps data that will exchange is sent to respectively this ordinary node that is connected, and finishes the respectively navigation of the group between this mobile platform.
9, GPS as claimed in claim 8 group air navigation aid is characterized in that this request starts this initialization negotiation mechanism by a SMS messaging exchanged form or a real time communication packet-switched mode.
10, GPS as claimed in claim 8 group air navigation aid is characterized in that, described each preferential node and described each ordinary node adopt talks to open the beginning protocol technology to carry out that data transmit and exchange.
11, GPS as claimed in claim 8 group air navigation aid, it is characterized in that, this ordinary node respectively is connected in the step of different respectively this preferential nodes, more comprise the current available on line state of detecting described respectively this preferential node and described respectively this ordinary node of corresponding connection or calculate the step of described respectively this preferential node and the distance of corresponding described respectively this ordinary node that is connected, so set up described respectively this preferential node and corresponding connection described respectively between this ordinary node and the described respectively on-line mode between this preferential node.
12, GPS as claimed in claim 11 group air navigation aid is characterized in that, this on-line mode can be selected one arbitrarily in the wireless communication protocol group combination by GPRS, WLAN, WiMax and 3G.
13, GPS as claimed in claim 8 group air navigation aid is characterized in that, the equal tool one anti-broken string mechanism of described respectively this preferential node and described respectively this ordinary node.
14, GPS as claimed in claim 8 group air navigation aid is characterized in that, more is included in to generate behind this point to point network by stating this ordinary node respectively at least one described step of registering demand information that should preferential node sends.
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| CNB2006101238169A CN100544262C (en) | 2006-11-28 | 2006-11-28 | Gps group navigation system and method thereof |
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| CNB2006101238169A CN100544262C (en) | 2006-11-28 | 2006-11-28 | Gps group navigation system and method thereof |
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| CN101662492B (en) * | 2008-08-27 | 2012-10-10 | 英华达股份有限公司 | Interaction system and method for point-to-point wireless mobile communication |
| US10739151B2 (en) * | 2017-11-02 | 2020-08-11 | Mitac International Corp. | Client-server navigation solution for low data bandwidth conditions |
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