CN103185886A - Satellite navigation system and implementation method - Google Patents
Satellite navigation system and implementation method Download PDFInfo
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Abstract
The invention discloses a satellite navigation system and an implementation method. The implementation method comprises the following steps that: a terminal receives navigation telegraph text data from an orbit satellite; the terminal selects a corresponding navigation data resolving platform to resolve the navigation telegraph text data to obtain a navigation result according to a plurality of performance indexes, wherein the plurality of performance indexes include network connectivity, power consumption, resolving speed and resolving accuracy, and the navigation data resolving platform is at least one of a terminal navigation data resolving platform and a cloud navigation data resolving platform; and the navigation data resolving platform sends the navigation result to the terminal. According to the invention, the terminal selects the corresponding navigation data resolving platform according to the performance indexes of the terminal and the resolving requirement indexes, and the satellite navigation data resolving part can be transferred to and implemented on the cloud navigation data resolving platform, so that the requirements on power consumption of a satellite receiving unit on the terminal are reduced and the navigation data resolving speed and accuracy are improved.
Description
Technical field
The present invention relates to the satellite navigation technology, be specifically related to satellite navigation system and implementation method.
Background technology
Along with the development of infotech, the satellite navigation technology has become widespread use in portable terminal such as GPS, the Big Dipper etc.Have the expert to estimate that satellite navigation industry in the whole world can reach about 5,000 hundred million dollars, to the year two thousand twenty, China's navigation industry uphole equipment localization rate of parts and components reaches 80%, and Big Dipper market scale will rise to about 1,000 hundred million.
As shown in Figure 1, typical Beidou satellite navigation text receiver module generally comprises three parts: antenna 1, baseband signal processing unit 2, navigation data resolve unit 3 and interface 4.Baseband signal processing unit 2 receives necessary navigation message data by antenna 1 from orbiter, and the processing of resolving unit 3 through navigation data calculates positional information, thereby obtains navigation results again, sends to other resume module by interface 4 again.
As everyone knows, there is the big shortcoming of power consumption in the satellite navigation implementation method of existing smart mobile phone, about 6 hours of continuous firing just can be with the electric quantity consumption of battery of mobile phone totally, and main consumption resolved unit resolving in the processing procedure the navigation message data at navigation data.
Summary of the invention
Technical matters to be solved by this invention is the big problem of satellite navigation module power consumption that solves smart mobile phone.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention provides a kind of satellite navigation implementation method, may further comprise the steps:
Terminal receives the navigation message data;
Terminal is selected corresponding navigation data to resolve platform according to a plurality of performance index to resolve the navigation message data and obtain navigation results, described a plurality of performance index comprise network connection ability, power consumption, computing speed and calculation accuracy, and it is that terminal guidance data solver platform and high in the clouds navigation data resolve at least one in the platform that described navigation data resolves platform;
Navigation data resolves platform navigation results is sent to terminal.
In said method, if terminal does not possess the network connection ability, then select terminal guidance data solver platform to resolve the navigation message data and obtain navigation results;
If power consumption requires less than the first power consumption setting value, then select the high in the clouds navigation data to resolve platform and resolve the navigation message data and obtain navigation results;
If computing speed requires greater than first speed setting value and less than the second speed setting value, then select the high in the clouds navigation data to resolve platform and resolve the navigation message data; If computing speed requires greater than the second speed setting value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains earlier sent to terminal, described second speed setting value is greater than described first speed setting value;
If calculation accuracy requires greater than the first precision set value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains is earlier sent to terminal.
In said method, described terminal guidance data solver platform and described high in the clouds navigation data resolve and are respectively equipped with the multiple algorithm that resolves on the platform, described resolving requires index also to comprise to resolve algorithm, and terminal is selected corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results according to resolving the algorithm that resolves that requires in the index.
In said method, the high in the clouds navigation data resolves geographic position, the network address and the network connection speed that platform obtains terminal in real time, and selects accordingly to postpone less cloud computing main frame with terminal network.
In said method, terminal is resolved platform by wired or wireless mode with the high in the clouds navigation data and is connected.
In said method, described navigation message data are Big Dipper navigation message data or gps navigation message data.
The present invention also provides a kind of satellite navigation system, comprise for the terminal and the high in the clouds navigation data that receive the navigation message data and resolve platform, described terminal is provided with many indexs judging unit, network connection unit and terminal are resolved the unit, described many indexs judging unit is according to the self performance index and resolve and require index to select corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results, described self performance index comprises the network connection effect, described resolving requires index to comprise power consumption, it is that terminal guidance data solver platform and high in the clouds navigation data resolve at least one in the platform that computing speed and calculation accuracy, described navigation data resolve platform; Described high in the clouds navigation data resolves platform and is provided with high in the clouds and resolves the unit, and navigation results is sent to terminal.
In said system, also be provided with selected cell on the described terminal, according to computing speed with resolve the navigation results that accuracy selection obtains the soonest.
In said system, described high in the clouds navigation data resolves the platform end unit and is provided with the unit, geographic position, obtains geographic position, the network address and the network connection speed of terminal in real time, moves to terminal network to postpone in the less cloud computing main frame.
In said system, described terminal is specially smart mobile phone, panel computer or navigating instrument.
The present invention, terminal is according to the self performance index and resolve and require index to select corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results, satellite navigation data can be resolved part transfers to the high in the clouds navigation data and resolves on the platform and carry out, reduce the power consumption requirements of satellite receiving element on the terminal, improved navigation data computing speed and precision.
Description of drawings
Fig. 1 is typical Big Dipper receiver module synoptic diagram;
Fig. 2 is satellite navigation system structural representation provided by the invention;
Fig. 3 is satellite navigation implementation method process flow diagram provided by the invention;
Fig. 4 is the composition synoptic diagram of many indexs judging unit among the present invention.
Embodiment
As everyone knows, satellite navigation data resolves precision and the arithmetic speed that the unit has directly determined navigation results, taken quite a few of satellite navigation module power consumption, need navigation message and clock information (about navigation message one frame 1000bit) because navigation data only resolves when beginning to resolve, in resolving process, no longer need other information; And, development along with mobile communication technology, the maturation of wifi, 3G even 4G technology, the needed electric weight of data transmission is more and more littler (according to measuring and calculating, a common intelligent TD mobile phone is mixed the battery of 1400mAH, the electric weight that only needs half just can easily transmit the above data of 5Gbit, is equivalent to transmit hundreds thousand of bar navigation telegraph text datas).Therefore, the invention provides a kind of satellite navigation system and method, navigation data is resolved to transfer to be in the cloud computing platform high in the clouds navigation data and resolve on the platform and carry out, thereby reduce the power consumption of terminal greatly.
Below in conjunction with accompanying drawing the present invention is made detailed explanation.
As shown in Figure 2, satellite navigation system provided by the invention, comprise for the terminal 10 and the high in the clouds navigation data that receive the navigation message data and resolve platform 20, terminal can be smart mobile phone, panel computer or navigating instrument, the high in the clouds navigation data resolves platform 20 and is provided with high in the clouds and resolves the unit, be used for finishing resolving of navigation message data, to obtain navigation results (current location information of terminal).
Terminal 10 is provided with many indexs judging unit 11, network connection unit 12, navigation message receiving element 13 and terminal and resolves unit 14, resolve unit 14 owing to possess terminal on the terminal 10, also can finish resolving of navigation message data, therefore, terminal 10 is also referred to as terminal guidance data solver platform.
Many indexs judging unit 11 is selected corresponding navigation data to resolve platform according to a plurality of performance index to resolve the navigation message data and obtain navigation results, corresponding navigation data resolves platform and again navigation results is sent to terminal, it is that terminal guidance data solver platform and high in the clouds navigation data resolve at least one in the platform that navigation data resolves platform, and terminal is resolved platform by wired or wireless mode and high in the clouds navigation data and communicated.
As shown in Figure 4, the index of being judged by many indexs judging unit 11 comprises that network connection ability, power consumption, computing speed and calculation accuracy and other indexs (as: resolve algorithm, the navigation calculation algorithm has a variety of, such as Kalman filtering, least square method etc.).
If terminal does not possess the network connection ability, then must select terminal guidance data solver platform to resolve the navigation message data and obtain navigation results;
If the power consumption index request is less than the first power consumption setting value, then selecting the high in the clouds navigation data to resolve platform resolves the navigation message data and obtains navigation results, the first power consumption setting value is set according to actual needs by the client, also can calculate according to the current electric weight situation of terminal to obtain.
If computing speed requires greater than first speed setting value and less than the second speed setting value, then select the high in the clouds navigation data to resolve platform and resolve the navigation message data; If computing speed requires greater than the second speed setting value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains earlier sent to terminal, the second speed setting value is greater than first speed setting value.First speed setting value and second speed setting value are set according to actual needs by the client, if the client wishes higher computing speed, then arrange first speed setting value higher, if first speed setting value can't satisfy requirement of client, the second speed setting value of a more speed then is set, when computing speed requires to surpass the second speed setting value, then adopt terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve simultaneously, get the result that resolves who obtains at first.
If calculation accuracy requires greater than the first precision set value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains is earlier sent to terminal.Similar to the processing mode that computing speed requires, the first precision set value is set according to actual needs by the client, if the client needs higher calculation accuracy, then set first a precision set value, when calculation accuracy requires greater than the first precision set value, select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve simultaneously, get the result that resolves who obtains at first.
In addition, terminal guidance data solver platform and high in the clouds navigation data resolve and also are respectively equipped with the multiple different algorithm that resolves on the platform, resolve to require to set in the index require to use and specifically resolve algorithm and resolve, at this moment, terminal is selected corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results according to resolving the algorithm that resolves that requires in the index.
On this basis, the present invention also provides a kind of satellite navigation implementation method, as shown in Figure 2, may further comprise the steps:
Navigation message receiving element on the terminal receives navigation message data and the clock information that orbiter sends;
Many indexs judging unit is selected corresponding navigation data to resolve platform according to a plurality of performance index to resolve the navigation message data and obtain navigation results, if select terminal guidance data solver platform to resolve the navigation message data, then the terminal that the navigation message data are sent on the terminal is resolved the unit, resolve the unit by terminal and resolve the acquisition navigation results, sending to then needs the unit of navigation results to handle on the terminal, for example navigation results is presented on the display screen; Resolve the navigation message data if select the high in the clouds navigation data to resolve platform, then the navigation message data are sent to the high in the clouds of resolving on the platform in high in the clouds and resolve the unit, resolve the unit by high in the clouds and resolve the acquisition navigation results, sending to then needs the unit of navigation results to handle on the terminal; Resolve the navigation message data simultaneously if select terminal guidance data solver platform and high in the clouds navigation data to resolve platform, then the navigation message data being sent to simultaneously terminal on the terminal resolves the high in the clouds of unit and high in the clouds resolving on the platform and resolves the unit, terminal is resolved unit and high in the clouds and is resolved the unit which is finished earlier and resolves the acquisition navigation results, then navigation results being sent to needs the unit of navigation results to handle on the terminal, another resolves the unit and abandons resolving the result.
In addition, the high in the clouds navigation data resolves platform except the navigation message data of resolving the terminal transmission, also obtain geographic position, the network address and the network connection speed of terminal in real time, and select accordingly to postpone less cloud computing main frame (dynamic migration) with terminal network, to reduce data transmission period.
The present invention is applicable to the Big Dipper, GPS, GLOMSS and Galileo satellite navigation system, has following advantage:
(1) navigation data is resolved transfers to the high in the clouds navigation data and resolve on the platform and carry out, can reduce the power consumption of satellite navigation message receiving element.
(2) the high in the clouds navigation data resolves navigation data on the platform and resolves algorithm and upgrade than very fast, can utilize and improve the navigation data calculation accuracy; And the computing power that the high in the clouds navigation data resolves platform is very strong, if under the network transmission delay ideal situation, also can improve the computing speed of navigation, obtains navigation results faster.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.
Claims (10)
1. satellite navigation implementation method is characterized in that, may further comprise the steps:
Terminal receives the navigation message data on the orbiter;
Terminal is selected corresponding navigation data to resolve platform according to a plurality of performance index to resolve the navigation message data and obtain navigation results, described a plurality of performance index comprise network connection ability, power consumption, computing speed and calculation accuracy, and it is that terminal guidance data solver platform and high in the clouds navigation data resolve at least one in the platform that described navigation data resolves platform;
Navigation data resolves platform navigation results is sent to terminal.
2. satellite navigation implementation method as claimed in claim 1 is characterized in that,
If terminal does not possess the network connection ability, then select terminal guidance data solver platform to resolve the navigation message data and obtain navigation results;
If power consumption requires less than the first power consumption setting value, then select the high in the clouds navigation data to resolve platform and resolve the navigation message data and obtain navigation results;
If computing speed requires greater than first speed setting value and less than the second speed setting value, then select the high in the clouds navigation data to resolve platform and resolve the navigation message data; If computing speed requires greater than the second speed setting value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains earlier sent to terminal, described second speed setting value is greater than described first speed setting value;
If calculation accuracy requires greater than the first precision set value, then select terminal guidance data solver platform and high in the clouds navigation data to resolve platform and resolve the navigation message data simultaneously, and the navigation results that obtains is earlier sent to terminal.
3. satellite navigation implementation method as claimed in claim 1, it is characterized in that, described terminal guidance data solver platform and described high in the clouds navigation data resolve and are respectively equipped with the multiple algorithm that resolves on the platform, described resolving requires index also to comprise to resolve algorithm, and terminal is selected corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results according to resolving the algorithm that resolves that requires in the index.
4. satellite navigation implementation method as claimed in claim 1 is characterized in that, the high in the clouds navigation data resolves geographic position, the network address and the network connection speed that platform obtains terminal in real time, and selects accordingly to postpone less cloud computing main frame with terminal network.
5. satellite navigation implementation method as claimed in claim 1 is characterized in that, terminal is resolved platform by wired or wireless mode with the high in the clouds navigation data and is connected.
6. satellite navigation implementation method as claimed in claim 1 is characterized in that, described navigation message data are Big Dipper navigation message data or gps navigation message data.
7. satellite navigation system comprises for the terminal that receives the navigation message data, it is characterized in that, comprises that also the high in the clouds navigation data resolves platform,
Described terminal is provided with many indexs judging unit, network connection unit and terminal and resolves the unit, described many indexs judging unit is according to the self performance index and resolve and require index to select corresponding navigation data to resolve platform to resolve the navigation message data and obtain navigation results, described self performance index comprises the network connection effect, described resolving requires index to comprise power consumption, computing speed and calculation accuracy, and it is that terminal guidance data solver platform and high in the clouds navigation data resolve at least one in the platform that described navigation data resolves platform;
Described high in the clouds navigation data resolves platform and is provided with high in the clouds and resolves the unit, and navigation results is sent to terminal.
8. satellite navigation system as claimed in claim 7 is characterized in that, also is provided with selected cell on the described terminal, according to computing speed with resolve the navigation results that accuracy selection obtains the soonest.
9. satellite navigation system as claimed in claim 7, it is characterized in that, described high in the clouds navigation data resolves the platform end unit and is provided with the unit, geographic position, obtains geographic position, the network address and the network connection speed of terminal in real time, moves to terminal network to postpone in the less cloud computing main frame.
10. satellite navigation system as claimed in claim 7 is characterized in that, described terminal is specially smart mobile phone, panel computer or navigating instrument.
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| CN112765243A (en) * | 2019-10-21 | 2021-05-07 | 千寻位置网络有限公司 | Method and system for constructing GNSS algorithm unified operation environment on equipment and cloud |
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Address after: 430074, No. 88, postal academy road, Hongshan District, Hubei, Wuhan Patentee after: Wuhan post and Telecommunications Science Research Institute Co., Ltd. Address before: 430074, No. 88, postal academy road, Hongshan District, Hubei, Wuhan Patentee before: Wuhan Inst. of Post & Telecom Science |