CN201707440U - High-dynamic GNSS multimode satellite navigation receiver integrated module device - Google Patents
High-dynamic GNSS multimode satellite navigation receiver integrated module device Download PDFInfo
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- CN201707440U CN201707440U CN2010202489147U CN201020248914U CN201707440U CN 201707440 U CN201707440 U CN 201707440U CN 2010202489147 U CN2010202489147 U CN 2010202489147U CN 201020248914 U CN201020248914 U CN 201020248914U CN 201707440 U CN201707440 U CN 201707440U
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Abstract
The utility model discloses a high-dynamic GNSS multimode satellite navigation receiver integrated module device, which comprises an antenna, a low noise amplifier, a radiofrequency channel, a comprehensive information processing module, a power supply unit and a complete machine structure. The antenna is a GPS, GLONASS and BD-1receiving triple-band antenna, the low noise amplifier is integrated in the antenna and includes a GPS/GLONASS and BD-1 low noise amplifier, satellite signals received by the antenna is amplified by the low noise amplifier, the radiofrequency channel comprises a GPS/GLONASS compatible channel and a BD-1 receiving channel, and the comprehensive information processing module comprises a baseband signal processing module, an information processing module and an application processing module. The high-dynamic GNSS multimode satellite navigation receiver integrated module device well resolves required problems in terms of dynamic performance and tracking precision of a high-dynamic GPS receiver, realizes GPS, GLONASS and BD-1 passive combination positioning and supports single-mode and multimode mixing modes. Moreover, the integrated module is applicable to various navigation products, high-dynamically and high-precisely calculates position and speed information fast, and has fine social and economic benefits.
Description
Technical field
The utility model relates to the GNSS multimode rake receiver based on software, and the user's who faces mainly is that aircraft, guided missile etc. have the dynamic aircraft of higher flight.
Background technology
Traditional satellite navigation receiver mainly is made up of antenna, pre-low-noise amplifier, radio frequency front end chip and baseband processing chip, the various piece of receiver all uses special IC (ASIC) that signal is handled, fast operation, but be difficult to behind the design typification change.Along with the direction of satellite navigation receiver to the multimode compatibility develops, this traditional solution based on hardware will face long, problems such as development cost rise, difficult upgrading of system development time.Therefore, the GNSS multimode rake receiver that we design has adopted the solution based on software, receiver chip is to the control able to programme of Signal Processing progress software, based on the mode of operation of the GNSS multimode rake receiver integration module of software with to receive frequency range able to programme fully, adapt to the working method of multiband and multimode by the program of changing receiving chip.This has not only reduced development cost, has also shortened the Time To Market of new product simultaneously greatly.
Summary of the invention
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of high-dynamic GNSS multimodal satellite navigation receiver integration module device is provided, and the mode by multimode combination solves depend in the past that GPS produces lack integrity on navigator, lack the availability and the continuity problem of service.Can not only fill up the blank problem of covering that triangular web exists, and system accuracy is significantly improved.
The technical solution of the utility model is: a kind of high-dynamic GNSS multimodal satellite navigation receiver integration module device, it is characterized in that comprising antenna, LNA, radio-frequency channel, integrated information processing module, power supply unit and complete machine structure,
Described antenna is that GPS, GLONASS and BD-1 receive three-frequency antenna, finishes the receiving function of GPS, GLONASS and BD-1 satellite-signal;
Described LNA is integrated in antenna inside, comprises GPS/GLONASS and BD-1 LNA, and the satellite-signal that antenna is received carries out the low noise amplification;
Described radio-frequency channel comprises GPS/GLONASS compatible channels and BD-1 receiving cable, mainly finishes the down coversion of satellite-signal, and clock output is provided;
Described integrated information processing module comprises baseband signal processing module, message processing module and application processing module three parts, baseband signal processing module is finished despreading, demodulation, tracking, bit synchronization and the frame synchronization etc. of GPS, GLONASS and BD-1 signal, final demodulating data and ranging data are sent into message processing module, calculate positional information, positional information is exported by application processing module.
The BD-1 receiving cable comprises reception and two parts of local oscillator, and receiving unit comprises down coversion, amplification, filtering; Local oscillator partly comprises crystal oscillator and frequency synthesis.
Baseband signal processing module and message processing module mainly are made up of A/D, FPGA, DSP programmable logic device (PLD).
The utility model can be followed the tracks of, handle and measure the navigation signal of 12 GPS navigation stars, 12 GLONASS nautical stars and 3 BD-1 nautical stars simultaneously.
The utility model has solved the problem that needs of high dynamic GPS receiver dynamic property and tracking accuracy two aspects preferably, realizes GPS, GLONASS, the passive integrated positioning of BD-1, supports single mode and multimode mixed mode.This integration module is applicable to all kinds of navigation products, dynamically resolves position, velocity information accurately fast down at height, and good society and economic benefit are arranged.
Of the present utility model completing successfully for strengthening China has landmark significance in the research and development strength of satellite navigation technical field and the fast development of the domestic navigation industry of promotion.
Description of drawings
Fig. 1 is a high-dynamic GNSS multimodal satellite navigation receiver integration module schematic diagram of device.
Fig. 2 is an integrated information processing module schematic diagram.
Embodiment
Below in conjunction with accompanying drawing content of the present utility model is described further:
With reference to shown in Figure 1: antenna is that GPS, GLONASS and BD-1 receive three-frequency antenna, finishes the receiving function of GPS, GLONASS and BD-1 satellite-signal.Will take into full account on space and position when designing antenna, guarantee the circularity of three-frequency antenna wave beam and mutual isolation, cable is short as far as possible and suitably adopt low loss cable, and the performance quality of antenna directly has influence on the complete machine index.
LNA comprises GPS/GLONASS and BD-1 LNA, and the satellite-signal that antenna is received carries out the low noise amplification;
The radio-frequency channel comprises GPS/GLONASS compatible channels and BD-1 receiving cable, mainly finishes the down coversion of satellite-signal, and clock output is provided.
The integrated information processing module comprises baseband signal processing module, message processing module and application processing module three parts.Baseband signal processing module is finished despreading, demodulation, tracking, bit synchronization and the frame synchronization etc. of GPS, GLONASS and BD-1 signal, final demodulating data and ranging data are sent into message processing module, calculate positional information, positional information is exported by application processing module.
Power supply unit provides power management for complete machine, has overcurrent, overvoltage, under-voltage and accidental polarity and connects anti-defencive function.
Complete machine structure is finished said modules is fixedly mounted, and considers good environmental suitability and Electro Magnetic Compatibility.
With reference to shown in Figure 2: the integrated information processing module provides hardware platform for running software, comprise that Base-Band Processing, information processing, application handle three parts, the workflow of integrated information disposable plates is: baseband signal is quantified as digital signal by the A/D programmable logic device (PLD) and sends into the FPGA programmable logic device (PLD), FPGA finishes the catching of GPS/GLONASS/BD-1 signal, tracking, data demodulates, observation data generation etc. under the control of DSP programmable logic device (PLD), raw data is sent into information process unit is handled and export applying unit output to by UART; Simultaneously, by the applying unit man-machine interaction, the real-time response user input instruction is given information process unit by UART, finishes the data set bag, gives signal processing unit and finishes digital coding, generates inbound baseband signal.
In high-dynamic GNSS multimodal satellite navigation receiver integration module design process, in order to realize the miniaturization target of receiver, several aspects such as the radio-frequency channel of receiver, digital sample, base band signal process are all redesigned.Adopt two passages (GPS/GLONASS compatible channels, the single passage of receiving of BD-1), the implementation of a plurality of base band signal process passages.All nautical star signals in the antenna visual field amplify through pre-low-noise amplifier, signal after the amplification becomes analog if signal after down conversion module, analog if signal is delivered to baseband signal processing module, signal delivers to after A/D sampling, despreading, demodulation process that message processing module positions, navigation calculation, finally measures and locator data by application processing module output.
Claims (2)
1. a high-dynamic GNSS multimodal satellite navigation receiver integration module device is characterized in that comprising antenna, LNA, radio-frequency channel, integrated information processing module, power supply unit and complete machine structure,
Described antenna is that GPS, GLONASS and BD-1 receive three-frequency antenna, finishes the receiving function of GPS, GLONASS and BD-1 satellite-signal;
Described LNA is integrated in antenna inside, comprises GPS/GLONASS and BD-1 LNA, and the satellite-signal that antenna is received carries out the low noise amplification;
Described radio-frequency channel comprises GPS/GLONASS compatible channels and BD-1 receiving cable, mainly finishes the down coversion of satellite-signal, and clock output is provided;
Described integrated information processing module comprises baseband signal processing module, message processing module and application processing module three parts, baseband signal processing module is finished despreading, demodulation, tracking, bit synchronization and the frame synchronization of GPS, GLONASS and BD-1 signal, final demodulating data and ranging data are sent into message processing module, calculate positional information, positional information is exported by application processing module.
2. a kind of high-dynamic GNSS multimodal satellite navigation receiver integration module device as claimed in claim 1 is characterized in that the BD-1 receiving cable comprises reception and two parts of local oscillator, and receiving unit comprises down coversion, amplification, filtering; Local oscillator partly comprises crystal oscillator and frequency synthesis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010202489147U CN201707440U (en) | 2010-07-05 | 2010-07-05 | High-dynamic GNSS multimode satellite navigation receiver integrated module device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010202489147U CN201707440U (en) | 2010-07-05 | 2010-07-05 | High-dynamic GNSS multimode satellite navigation receiver integrated module device |
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| CN201707440U true CN201707440U (en) | 2011-01-12 |
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Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540220A (en) * | 2011-12-30 | 2012-07-04 | 合众思壮北斗导航有限公司 | Satellite positioning method and equipment |
| CN102937715A (en) * | 2012-10-09 | 2013-02-20 | 桂林电子科技大学 | BD1 (Beidou 1) and BD2 radio frequency compatible receiving method and device |
| CN103176196A (en) * | 2013-03-04 | 2013-06-26 | 北京航空航天大学 | Receiving method for interoperation receiver |
| CN103968888A (en) * | 2013-02-06 | 2014-08-06 | 普适微芯科技（北京）有限公司 | Beidou navigation satellite system based grain situation monitoring system and operating method thereof |
| CN104049263A (en) * | 2014-06-23 | 2014-09-17 | 郑州威科姆科技股份有限公司 | Base band dynamic multiplex receiving method of multimode satellite navigation signals |
| CN104793223A (en) * | 2015-05-04 | 2015-07-22 | 广东远峰电子科技有限公司 | Beidou navigation and positioning circuit |
| CN105223594A (en) * | 2015-11-09 | 2016-01-06 | 成都天奥信息科技有限公司 | Multifrequency point, quick position navigation satellite signal baseband processing circuitry |
| WO2016101651A1 (en) * | 2014-12-26 | 2016-06-30 | 上海华测导航技术股份有限公司 | Method dividing satellite signals into eight frequency points for processing |
| CN107728172A (en) * | 2017-09-08 | 2018-02-23 | 南京理工大学 | A kind of spaceborne receiver of the Big Dipper/GPS dual-mode and its navigation locating method |
| CN112147648A (en) * | 2020-08-18 | 2020-12-29 | 中国计量科学研究院 | Software GNSS time frequency transfer receiver and time frequency transfer method thereof |
| CN112240738A (en) * | 2020-10-15 | 2021-01-19 | 厦门星环科技有限公司 | Dam deformation early warning system based on big dipper + GPS |
-
2010
- 2010-07-05 CN CN2010202489147U patent/CN201707440U/en not_active Expired - Fee Related
Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102540220A (en) * | 2011-12-30 | 2012-07-04 | 合众思壮北斗导航有限公司 | Satellite positioning method and equipment |
| CN102937715A (en) * | 2012-10-09 | 2013-02-20 | 桂林电子科技大学 | BD1 (Beidou 1) and BD2 radio frequency compatible receiving method and device |
| CN103968888A (en) * | 2013-02-06 | 2014-08-06 | 普适微芯科技（北京）有限公司 | Beidou navigation satellite system based grain situation monitoring system and operating method thereof |
| CN103176196B (en) * | 2013-03-04 | 2016-03-30 | 北京航空航天大学 | A kind of method of reseptance of interoperation receiver |
| CN103176196A (en) * | 2013-03-04 | 2013-06-26 | 北京航空航天大学 | Receiving method for interoperation receiver |
| CN104049263A (en) * | 2014-06-23 | 2014-09-17 | 郑州威科姆科技股份有限公司 | Base band dynamic multiplex receiving method of multimode satellite navigation signals |
| US9739889B2 (en) | 2014-12-26 | 2017-08-22 | Shanghai Huace Navigation Technology Ltd. | Method of dividing satellite signal into eight frequency points for processing |
| WO2016101651A1 (en) * | 2014-12-26 | 2016-06-30 | 上海华测导航技术股份有限公司 | Method dividing satellite signals into eight frequency points for processing |
| CN104793223A (en) * | 2015-05-04 | 2015-07-22 | 广东远峰电子科技有限公司 | Beidou navigation and positioning circuit |
| CN105223594A (en) * | 2015-11-09 | 2016-01-06 | 成都天奥信息科技有限公司 | Multifrequency point, quick position navigation satellite signal baseband processing circuitry |
| CN107728172A (en) * | 2017-09-08 | 2018-02-23 | 南京理工大学 | A kind of spaceborne receiver of the Big Dipper/GPS dual-mode and its navigation locating method |
| CN112147648A (en) * | 2020-08-18 | 2020-12-29 | 中国计量科学研究院 | Software GNSS time frequency transfer receiver and time frequency transfer method thereof |
| CN112240738A (en) * | 2020-10-15 | 2021-01-19 | 厦门星环科技有限公司 | Dam deformation early warning system based on big dipper + GPS |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110112 Termination date: 20130705 |