CN105116421A - Satellite navigation receiver based on cloud service - Google Patents
Satellite navigation receiver based on cloud service Download PDFInfo
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- CN105116421A CN105116421A CN201510641479.1A CN201510641479A CN105116421A CN 105116421 A CN105116421 A CN 105116421A CN 201510641479 A CN201510641479 A CN 201510641479A CN 105116421 A CN105116421 A CN 105116421A
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- satellite navigation
- user side
- clouds
- data
- cloud service
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Classifications
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01S—RADIO DIRECTION-FINDING; RADIO NAVIGATION; DETERMINING DISTANCE OR VELOCITY BY USE OF RADIO WAVES; LOCATING OR PRESENCE-DETECTING BY USE OF THE REFLECTION OR RERADIATION OF RADIO WAVES; ANALOGOUS ARRANGEMENTS USING OTHER WAVES
- G01S19/00—Satellite radio beacon positioning systems; Determining position, velocity or attitude using signals transmitted by such systems
- G01S19/01—Satellite radio beacon positioning systems transmitting time-stamped messages, e.g. GPS [Global Positioning System], GLONASS [Global Orbiting Navigation Satellite System] or GALILEO
- G01S19/13—Receivers
Abstract
The invention discloses a satellite navigation receiver based on cloud service. The user side of a cloud receiver only needs to complete signal acquisition and transmission work, and operations, such as signal processing and positioning calculation, with extremely large calculation amount and high power consumption are completed at the cloud side. The user side of the cloud receiver disclosed by the invention only needs to complete the signal acquisition and transmission work, and the operations, such as signal processing and positioning calculation, with extremely large calculation amount and high power consumption are completed at the cloud side, so that the satellite navigation receiver has the advantages of low power consumption, high precision, low cost and high expandability.
Description
Technical field
The present invention relates to a kind of satellite navigation receiver based on cloud service.
Background technology
Current consumer GNSS receiver many employings asic chip (special IC) solution, small volume, integrated level is higher, obtains application widely in fields such as smart mobile phone, vehicle mounted guidance platforms.Mainly there are 3 deficiencies in GNSS receiver common on the market, one is that power consumption is higher, and two is that hi-Fix cost is high, and three is that the design of GNSS chip and upgrade cost are high.And the cloud computing of rising in the last few years just in time can address these problems.Computational resource and storage resources are managed concentratedly by cloud computing, a large amount of evaluation works of user side are transferred to high in the clouds and completes, thus significantly reduce complicacy and the cost of user side, and can complete function upgrading and expansion easily.
Summary of the invention
Technical matters to be solved by this invention is, not enough for prior art, provides a kind of satellite navigation receiver based on cloud service.
For solving the problems of the technologies described above, the technical solution adopted in the present invention is: a kind of satellite navigation receiver based on cloud service, comprising:
User side: for completing amplification, down coversion, the A/D conversion of satellite navigation signals and gathering, and the satellite navigation signals collected is passed to high in the clouds;
High in the clouds: for after the satellite navigation signals receiving user side transmission, scheduling cloud computing resource completes the catching of satellite navigation signals, follows the tracks of, and position according to the result of catching, following the tracks of and resolve, obtain positioning result, and positioning result is sent to user side.
Described user side comprises:
Radio-frequency front-end: for completing amplification to satellite navigation signals, down coversion and A/D conversion, and the data after above-mentioned process are transferred to data processing module;
Described data processing module comprises:
Communication link: for the data after radio-frequency front-end process are sent to high in the clouds, and receive the positioning result fed back in high in the clouds;
Microprocessor: for dispatching the various resources of user side and manage.
Described user side also comprises the storage unit for storing the data after radio-frequency front-end process.
When user side cannot communicate with high in the clouds or high in the clouds fault cannot utilize cloud computing resource, microprocessor also carries out processing and positioning calculation for the data after radio frequency front-end processing.
Compared with prior art, the beneficial effect that the present invention has is: signal transacting high for power consumption and positioning calculation are transferred to high in the clouds and realize by the present invention, user side only needs data acquisition and transmission, reduce the energy consumption of user side, the subscriber computer not high to positioning accuracy request, can carry out 1 bit sample to the civil navigation signal of a frequency, this can reduce user side energy consumption further; The information on services of the accurate text of Network Capture and various enhancing system can be passed through in high in the clouds, utilizes these information can obtain the positioning precision higher than traditional receivers; Receiver of the present invention possesses the advantages such as low-power consumption, high precision, low cost, high expandability.
Accompanying drawing explanation
Fig. 1 is cloud receiver structure block diagram;
Fig. 2 is cloud receiver user side structured flowchart.
Embodiment
Cloud receiver can be understood as a kind of new location-based service pattern, and its groundwork flow process initiates a request by user side, and then cloud server replys a positional information.As shown in Figure 1, comprise user side and high in the clouds two parts, user side mainly completes the collection of satellite navigation signals, storage and transformation task; The main settling signal Processing tasks in high in the clouds, generates positioning result and returns to user side.
Cloud receiver main working process of the present invention is as follows:
1) user side completes the collecting work of data, and the data of collection are sent to high in the clouds by communication network.Specifically, user side mainly completes the amplification of radiofrequency signal, down coversion, A/D convert (analog to digital conversion) and data acquisition, and the data then will collected, pass to high in the clouds by communication link;
2) after receiving based on the high in the clouds of the satellite navigation receiver of cloud service the sampled data that user side sends, scheduling cloud computing resource completes signal processing flows such as the catching of satellite navigation collection signal, tracking, and position resolve according to the measurement result that signal transacting generates, high in the clouds to position when resolving and can, by the information on services of the accurate text of Network Capture and various enhancing system, utilize these information can obtain the positioning precision higher than traditional receivers;
3) positioning result is sent to user side by high in the clouds.
Based on the satellite navigation receiver of cloud service user side structure as shown in Figure 2.User side main task has been the collecting work of data, and the framework of whole user side is as shown below.Specifically, be the amplification of radiofrequency signal, down coversion, A/D converted (analog to digital conversion) and data acquisition, then the data will collected, high in the clouds is passed to by communication link, or be all saved in the medium process to be taken off-line of storage unit, or give the software receiver that microprocessor runs and carry out autonomous station and resolve.When communication link is safe and smooth, the data collected directly can be issued high in the clouds by user side.If under off-line state, the data collected can be saved in storage unit by user side, wait for reprocessing afterwards.Under off-line state, if user side needs the position obtaining oneself immediately, then need operating software receiver on the microprocessor, carry out independently the catching of signal, measure and position calculation.
As shown in Figure 2, user side can be divided into following four bulks:
Radio-frequency front-end: for completing amplification to satellite navigation signals, down coversion and A/D conversion, and the data after above-mentioned process are transferred to data processing module;
Described data processing module comprises:
Communication link: for the data after radio-frequency front-end process are sent to high in the clouds, and receive the positioning result fed back in high in the clouds;
Microprocessor: for dispatching the various resources of user side and manage;
Described user side also comprises the storage unit for storing the data after radio-frequency front-end process.
Cannot to communicate with high in the clouds or high in the clouds fault etc. cannot utilize the signal transacting and positioning calculation function of just enabling microprocessor when cloud computing resource at user side, generalized case microprocessor does not carry out signal transacting and positioning calculation.
Claims (4)
1. based on a satellite navigation receiver for cloud service, it is characterized in that, comprising:
User side: for completing amplification, down coversion, the A/D conversion of satellite navigation signals and gathering, and the satellite navigation signals collected is passed to high in the clouds;
High in the clouds: for after the satellite navigation signals receiving user side transmission, scheduling cloud computing resource completes the catching of satellite navigation signals, follows the tracks of, and position according to the result of catching, following the tracks of and resolve, obtain positioning result, and positioning result is sent to user side.
2. the satellite navigation receiver based on cloud service according to claim 1, is characterized in that, the described data collected are passed to high in the clouds by communication network by described user side.
3. the satellite navigation receiver based on cloud service according to claim 1, is characterized in that, described user side comprises:
Radio-frequency front-end: for completing amplification to satellite navigation signals, down coversion and A/D conversion, and the data after above-mentioned process are transferred to data processing module;
Described data processing module comprises:
Communication link: for the data after radio-frequency front-end process are sent to high in the clouds, and receive the positioning result fed back in high in the clouds;
Microprocessor: for dispatching the various resources of user side and manage; Satellite navigation receiver based on cloud service according to claim 3, is characterized in that, described user side also comprises the storage unit for storing the data after radio-frequency front-end process.
4. the satellite navigation receiver based on cloud service according to claim 3, it is characterized in that, when user side cannot communicate with high in the clouds or high in the clouds fault cannot utilize cloud computing resource, microprocessor also carries out processing and positioning calculation for the data after radio frequency front-end processing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510641479.1A CN105116421A (en) | 2015-09-30 | 2015-09-30 | Satellite navigation receiver based on cloud service |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201510641479.1A CN105116421A (en) | 2015-09-30 | 2015-09-30 | Satellite navigation receiver based on cloud service |
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| CN105116421A true CN105116421A (en) | 2015-12-02 |
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| CN201510641479.1A Pending CN105116421A (en) | 2015-09-30 | 2015-09-30 | Satellite navigation receiver based on cloud service |
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| CN105549045A (en) * | 2015-12-14 | 2016-05-04 | 联想(北京)有限公司 | Information processing method and electronic devices |
| CN108387918A (en) * | 2018-01-18 | 2018-08-10 | 和芯星通（上海）科技有限公司 | A kind of pedestrian navigation method and cloud system server, storage medium, electronic equipment |
| CN109085610A (en) * | 2018-08-01 | 2018-12-25 | 广州南方卫星导航仪器有限公司 | It a kind of receiver and controls and receives machine and opens the method resolved offline |
| CN110988915A (en) * | 2019-12-06 | 2020-04-10 | 长沙海格北斗信息技术有限公司 | Low-power-consumption satellite navigation mobile acquisition station network system and construction method |
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Application publication date: 20151202 |
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