CN1987361A - Information integrating method for satellite navigation device - Google Patents
Information integrating method for satellite navigation device Download PDFInfo
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- CN1987361A CN1987361A CN 200510120945 CN200510120945A CN1987361A CN 1987361 A CN1987361 A CN 1987361A CN 200510120945 CN200510120945 CN 200510120945 CN 200510120945 A CN200510120945 A CN 200510120945A CN 1987361 A CN1987361 A CN 1987361A
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Abstract
The invention is in use for integrating satellite positioning information (SPI) and traffic road condition information (TRCI) in order to implementing task for planning traveling route in real time. The method includes following steps: providing a satellite positioning receiver and a traffic information receiver in order to receive SPI and TRCI; converting data structure of TRCI to same data format of information (for ex. NMEA data format) adopted by SPI; analyzing TRCI to obtain parameters for calculating route planning; based on the said parameters to carry out route planning calculation to implement task for planning traveling route in real time.
Description
[Ji Intraoperative field]
The satnav information of the present invention relevant a kind of data message integration method, particularly a kind of Satellite Navigation Set and the information integrating method of traffic information.
[Bei Jing Ji Intraoperative]
Development along with communication industry and information industry, person to person's communication way is more and more convenient, example, can be whenever and wherever possible carry out communication by handheld action communication device with the people in a distant place, and Global Positioning System (GPS) (Global Positioning System, GPS) development has more improved the accuracy and the communication quality of communication industry, Satellite Navigation Set becomes the vehicles (example gradually at present, automobile) one of basic outfit, the navigational system of guider via satellite, the driver only need import destination locations, can rely on navigational system to cook up traffic route, and cooperate the electronic chart display mode with voice suggestion, allow the more convenient use navigational system of driver.
Right present navigational system all utilizes the map that is stored in advance in the storer to carry out route planning, be fixed traffic route guiding, can't do the traffic route adjustment according to actual road conditions situation, and the traffic information that need are sent by road conditions broadcast system or traffic information center, adjust traffic route voluntarily, but for the driver who is unfamiliar with geographical environment, cause driver's puzzlement and problem undoubtedly.
Therefore, how a kind of method of integrating satnav information and traffic information is provided, be for further processing with the application software that Satellite Navigation Set is provided, and make Satellite Navigation Set, become one of researchist's problem to be solved according to the predetermined traffic route of actual road conditions situation adjustment.
[summary of the invention]
In view of above problem, fundamental purpose of the present invention is to provide a kind of information integrating method of Satellite Navigation Set, be additional to data in the traffic information by analysis, and obtain corresponding route planning computing parameter, carrying out real-time route planning calculation process task, thereby according to the predetermined traffic route of actual road conditions situation adjustment.
Therefore, for reaching above-mentioned purpose, the information integrating method of the disclosed Satellite Navigation Set of the present invention, be applicable to and integrate satnav information and traffic information, to carry out a real-time traffic route planning tasks, include the following step: at first, provide satnav receiver and transport information receiver (example, radio data system receiver or digit broadcasting system receiver), to receive satnav information and traffic information; Then, the data structure of conversion traffic information has identical information data format with satnav information; Analyze traffic information, to obtain corresponding route planning computing parameter; And, carry out a route planning computing according to route planning computing parameter, to carry out real-time traffic route planning tasks.
The information integrating method that relies on above-mentioned Satellite Navigation Set, with traffic information and satnav information integrated be identical information data format, to provide the application program in the Satellite Navigation Set to be for further processing, be additional to data in the traffic information by analysis, to obtain corresponding route planning computing parameter, and carry out a real-time route planning calculation process task, thereby according to the predetermined traffic route of actual road conditions situation adjustment.
Relevant characteristics and implementation of the present invention cooperate icon to be described in detail as follows as most preferred embodiment now.
[description of drawings]
Fig. 1 illustrates and is system block diagrams of the present invention.
Fig. 2 illustrates the information integrated synoptic diagram into the present invention.
Fig. 3 illustrates the information integrated flow chart of steps into the present invention.
[embodiment]
Please refer to Fig. 1, it illustrates and is system block diagrams of the present invention, includes: satnav receiver 10, transport information receiver 11, microprocessor 12 and satellite navigation module 50.
Satnav receiver 10, in order to be received from the locating information that the satellite base station sends, by receiving satellite-signal that at least 3 satellites launch to obtain current position information, it includes antenna (not shown) institute and the acceptor circuit (not shown) constitutes, and converts satellite positioning signal to satnav information by acceptor circuit.
Transport information receiver 11, in order to receive by traffic information center (Traffic Message Center, TMC) traffic information signals of Fa Songing, it includes antenna (not shown) institute and constitutes with the acceptor circuit (not shown), and transport information receiver 11 can be radio data system (Radio Data System, RDS) (Digital Audio Broadcast, DAB) receiver is formed for receiver, digit broadcasting system.
Microprocessor 12, be connected with transport information receiver 11, in order to handle the traffic information signals that transport information receiver 11 is received, and carry out a digitized processing, so that traffic information signals is converted to traffic information, and the form that meets the data transmission of second communication connecting interface 14, in addition, microprocessor 12 respectively with transport information receiver 11, second communication connecting interface 14 connects, can have less pin count, and only handle the data that transport information receiver 11 is received, therefore optional usefulness has circuit framework and microprocessor type easily cheaply.
Satellite navigation module 50, in order to the signal that satnav receiver 10 and transport information receiver 11 are received, information is handled, with the satnav information that obtains corresponding current position information and the traffic information of traffic situation, and carry out the guiding task of traffic route of planning in advance, wherein satellite navigation module 50 is more according to the traffic information that receives (or inferior) again, readjust the traffic route of planning in advance immediately, traffic route described here for driver's current position to the destination the required shortest path route that passes through, and satellite navigation module 50 more includes: first communication connection interface 13, second communication connecting interface 14, data storage medium 15, central processing unit 16, storer 17 and route planning unit 18.
First communication connection interface 13, be connected with satnav receiver 10, in order to the transmission interface of a data transmission channel to be provided, characteristic with bidirectional data transfers, and first communication connection interface 13 can be the port that communicates to connect that serial transmission interface (UART) specification, USB (universal serial bus) (USB) specification or the like formed.
Second communication connecting interface 14, be connected with microprocessor 12, in order to the transmission interface of a data transmission channel to be provided, characteristic with bidirectional data transfers, and second communication connecting interface 14 can be the port that communicates to connect that serial transmission interface (UART) specification, USB (universal serial bus) (USB) specification or the like formed.
Data storage medium 15, be connected with second communication connecting interface 14 with first communication connection interface 13 respectively, has dynamic link library (the Dynamic Link Library that stores in advance, hereinafter to be referred as DLL) program code, and provide a storage area, with storage or temporary satnav information and traffic information, and data storage medium 15 can be hard disk unit or other hardware unit with data storage character is formed.
Central processing unit 16, be connected with data storage medium 15, core cell for satellite navigation module 50, call out in order to signal transmission and the instruction of handling each unit, carry out and the computing supervisor, comprise and call out and carry out DLL program code in the data storage medium 15, is an identical data layout (example to integrate traffic information with satnav information, the NMEA data layout), and the method for calling of DLL program code can be divided into: direct calling (Explicitly Import), indirect call (Implicitly Import) and dynamic calling (Dynamically Import).
Storer 17, be connected with central processing unit 16, in order to being provided, a storage area keeps in pending data, and storer 17 can be by Synchronous Dynamic Random Access Memory (Synchronous Dynamic RandomAccess Memory, SDRAM) or synchronously double data transmits dynamic RAM (DoubleData-Rate Synchronous DRAM DDR) constitutes.
Route planning unit 18, it is made of an application program, carry out the traffic route guiding task of a planning in advance by central processing unit 16, based on the traffic route of planning in advance, and will add computing by transport information receiver 11 obtained actual road conditions parameters, producing the traffic route of realistic road conditions situation, and produce other alternative traffic route information, adjust traffic route for the driver by the display device (not shown).
Please refer to Fig. 2, it illustrates the integration synoptic diagram into satnav information of the present invention and traffic information, at first, location receivers 10 via satellite, transport information receiver 11 is obtained satnav information 10a and traffic information 11a respectively with microprocessor 12, the DLL program code 15a that utilization is stored in the data storage medium 15 is integrated into (the National Marine Electronic Association of International Maritime Institution of Electronics with satnav information 10a and traffic information 11a, hereinafter to be referred as NMEA) information data format, obtain required computing parameter for route planning unit 18, and carry out real-time traffic route planning tasks.
And the NMEA information data format is with the mode data transmission of transmission statement (Sentence), the “ $GPGGA of its data layout as shown in the NMEA information data format 15b square of Fig. 2; xxxx; yyyy; zzzz " and “ $MTMC; aaaa; bbbb, cccc ", each statement is with ' $ ' to start with, each field with ', ' as interval, the indefinite length of its statement, the longest 82 characters (Character) that reach, can divide into three parts haply: header part, data division and ending, and the ending is check code (Checksum).
By defining the header part of traffic information 11a and satnav information 10a respectively, to distinguish traffic information 11a and satnav information 10a, and by means of the particular data of obtaining the data division in the traffic information, and with this particular data as the computing parameter, to carry out real-time traffic route planning processor active task, traffic information 11a data layout is incorporated into standard N MEA information data format, reads and handle so that route planning unit 18 or other application program further to be provided.
Please refer to Fig. 3, it illustrates the information integrated flow chart of steps into the present invention, at first, receives traffic information 11a and satnav information 10a (step 100), example, receiver 10 and transport information receiver 11 via satellite; Next, the information data format that traffic is ceased information 11a is converted to International Maritime Institution of Electronics (NMEA) information data format, promptly has identical information data format (step 101) with satnav information 10a; According to the data structure of NMEA information data format, identification satnav information 10a and traffic information 11a (step 102), example, the header of satnav information 10a partly is “ $GPGGA ", and the header of traffic information partly is “ $MTMC ".
Then, analyze traffic information 11a, to obtain corresponding route planning computing parameter (step 103), promptly analyze the incidental traffic information of data division among the traffic information 11a, and will take out as route planning computing parameter with the road condition of relevant road name, street name on the planning travelling line in advance (example, congested or unimpeded or the like).
Next, according to the computing parameter that obtains, again carry out route planning Processing tasks (step 104), thereby according to the predetermined traffic route of actual road conditions situation adjustment, example, route planning unit 18 is according to the data that obtains satnav information 10a and traffic information 11a, and execution path planning computing is to carry out real-time traffic route planning tasks.
In addition, step 101, step 102 and step 103 navigation module 50 are via satellite carried out, and the composition assembly of satellite navigation module 50 as shown in Figure 1, do not giving unnecessary details at this.
The information integrating method that relies on above-mentioned Satellite Navigation Set, traffic information 11a is integrated into identical information data format with satnav information 10a, to provide the application program in the Satellite Navigation Set to be for further processing, be additional to data among the traffic information 11a by analysis, to obtain corresponding route planning computing parameter, and carry out a real-time route planning calculation process task, thereby according to the predetermined traffic route of actual road conditions situation adjustment.
Claims (10)
1. the information integrating method of a Satellite Navigation Set is applicable to the satnav information of integration and a traffic information, to carry out a real-time traffic route planning tasks, it is characterized in that this information integrating method method includes:
(a) provide a satnav receiver and a transport information receiver to receive this satnav information and this traffic information;
(b) data structure of changing this traffic information has identical information data format with this satnav information;
(c) analyze this traffic information, to obtain a route planning computing parameter; And
(d) according to this route planning computing parameter, carry out a route planning computing, to carry out this real-time traffic route planning tasks.
2. information integrating method as claimed in claim 1 is characterized in that: this information data format is International Maritime Institution of Electronics (NMEA) information data format.
3. information integrating method as claimed in claim 1 is characterized in that: this information data format is made of header part, a data division and a tail end branch at least.
4. information integrating method as claimed in claim 1 is characterized in that: in step (b) afterwards, more include the step according to this this satnav information of header part identification and this traffic information.
5. information integrating method as claimed in claim 1 is characterized in that: should (b), (c) and (d) step carry out by a satellite navigation module.
6. information integrating method as claimed in claim 5 is characterized in that: this satellite navigation module more includes:
One first communication connection interface provides the data transmission channel interface of this satnav receiver and this satellite navigation module, to transmit this satnav information;
One second communication connecting interface provides the data transmission channel interface of this microprocessor and this satellite navigation module, to transmit this traffic information;
One data storage medium is in order to store this satnav information and this traffic information;
One central processing unit is in order to handle this satnav information and this traffic information;
One storer is in order to the pending data of temporary this central processing unit; And
One route planning unit is carried out by this central processing unit, in order to plan this traffic route.
7. information integrating method as claimed in claim 6, it is characterized in that: this data storage medium has the program code of the dynamic link library that stores in advance, and calling out and handle this satnav information for central processing unit is identical information data format with this traffic information.
8. information integrating method as claimed in claim 6 is characterized in that: this first communication connection interface is a serial communication port or a USB (universal serial bus) connectivity port.
9. information integrating method as claimed in claim 6 is characterized in that: this second communication connecting interface is a serial communication port or a USB (universal serial bus) connectivity port.
10. information integrating method as claimed in claim 6 is characterized in that: this transport information receiver is that broadcast material system (RDS) receiver or a digit broadcasting system (DAB) receiver are formed.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120945 CN1987361A (en) | 2005-12-22 | 2005-12-22 | Information integrating method for satellite navigation device |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200510120945 CN1987361A (en) | 2005-12-22 | 2005-12-22 | Information integrating method for satellite navigation device |
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| CN1987361A true CN1987361A (en) | 2007-06-27 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102455426A (en) * | 2010-10-25 | 2012-05-16 | 美国博通公司 | Method and system for computing universal hybrid navigation information for a gnss enabled device |
| CN102472820A (en) * | 2009-07-28 | 2012-05-23 | Nxp股份有限公司 | Integration of position and road charging data |
| CN102692231A (en) * | 2011-03-24 | 2012-09-26 | 昆达电脑科技(昆山)有限公司 | Traffic message processing method and user apparatus |
-
2005
- 2005-12-22 CN CN 200510120945 patent/CN1987361A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102472820A (en) * | 2009-07-28 | 2012-05-23 | Nxp股份有限公司 | Integration of position and road charging data |
| US9159171B2 (en) | 2009-07-28 | 2015-10-13 | Telit Automotive Solutions Nv | Integration of position and road charging data |
| CN102455426A (en) * | 2010-10-25 | 2012-05-16 | 美国博通公司 | Method and system for computing universal hybrid navigation information for a gnss enabled device |
| CN105974449A (en) * | 2010-10-25 | 2016-09-28 | 美国博通公司 | Method and system for processing signal |
| CN102692231A (en) * | 2011-03-24 | 2012-09-26 | 昆达电脑科技(昆山)有限公司 | Traffic message processing method and user apparatus |
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