CN206133005U - Compass navigation satellite system's receiving arrangement based on niosII - Google Patents
Compass navigation satellite system's receiving arrangement based on niosII Download PDFInfo
- Publication number
- CN206133005U CN206133005U CN201621088502.5U CN201621088502U CN206133005U CN 206133005 U CN206133005 U CN 206133005U CN 201621088502 U CN201621088502 U CN 201621088502U CN 206133005 U CN206133005 U CN 206133005U
- Authority
- CN
- China
- Prior art keywords
- satellite navigation
- signal
- navigation system
- receiving arrangement
- reception device
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
- Radio Relay Systems (AREA)
Abstract
The utility model discloses a compass navigation satellite system's receiving arrangement based on niosII, major structure radio frequency front end and soC system part two parts, this receiving arrangement's signal baseband processing part adopts the single chip technology of 32 reduced instruction set flush bonding processor of the embedded nios II of FPGA, reduce satellite navigation system receiving arrangement's wiring complexity and area occupied, the emulation instrument that the program debugging process can provide with the help of altera, make things convenient for the program debugging, reduce the degree of difficulty of test, shorten the time of verification, do benefit to and seek design bug, reduce the short product development cycle, reducing PCB board area occupied, reduction satellite navigation system receiving arrangement's manufacturing cost, making whole satellite navigation system receiving arrangement's volume diminish, it is miniaturized to do benefit to satellite navigation system receiving arrangement, and conveniently carries, when reducing chip number, also reduce electronic component's quantity, reduced whole satellite navigation system receiving arrangement's consumption, done benefit to the low -power consumption that realizes satellite navigation system receiving arrangement.
Description
Technical field
This utility model belongs to field of satellite navigation, more particularly to a kind of Beidou satellite navigation system based on Nios II
Reception device.
Background technology
Beidou satellite navigation system（BDS）It is the GPS of Chinese independent research, independent operating, the system
It is divided into two generations, i.e. a Big Dipper generation and Beidou II system, up to the present, tentatively builds up the region for covering domestic and sub- major region
Property passive satellite navigation system, and plan to realize global passive satellite navigation system by launching 35 Beidou navigation satellites
System, intends to build up this huge constellation before the year two thousand twenty, and Beidou II navigation system is either navigated mode, or coverage is all
And GPS of America（Global Positioning System, i.e. global positioning system）There are many similarities, but remain
The two-way position report of a Big Dipper generation, short message communication function, this is also the Big Dipper and other GNSS（Global Navigation
Satellite System, i.e. GPS）One advantage of competition.
It is based on SoC both at home and abroad at present（System on Chip, referred to as systems-on-a-chip, also referred to as SOC(system on a chip)）It is embedded
System is widely used in other many fields, and current satellite navigation receiver is mainly based upon and adopts ASIC
（Application Specific Integrated Circuit, i.e. special IC）、DSP（Digital Signal
Processor, i.e. digital signal processor）+FPGA（Field-Programmable Gate Array）, i.e. field-programmable
Gate array）And ARM（The reduced instruction set computer microprocessor that Acorn is released）The forms such as+FPGA.Seldom using based on SoC forms
Satellite navigation receiver.
In satellite navigation application, most widely used in the world so far is GPS receivers, GPS receivers
Varied, military with civilian, navigation, geodetic and time service, single system and multisystem compatible, single-frequency and multifrequency have code and nothing
Code, sequential, multiplexing and parallel multi-channel, low dynamic, middle dynamic and high dynamic, and hand-held, vehicle-mounted, airborne, missile-borne, star
Carry etc., too numerous to enumerate, current GPS receivers have been realized in multichannel, digitized and chip, at present, with electricity
The reduction of the raising of sub- device performance, the reduction of cost, volume and power consumption, digitized, the reception of the multisystem compatibility of miniaturization
Machine is by for one of development Main way of satellite navigation receiver technology
In China's satellite navigation industrial chain, the key technology and product for lacking at present is receiver chip manufacture, receives
Machine algorithm research, core
Heart software development, the foundation of wide area high-precision difference alignment system, the formation of satellite-based air navigation system and other
Key technology.On the one hand, foreign countries all take receiver core technology strict restriction even to maintain secrecy, and the technology published
Also seldom, this constrains to a great extent the development in GNSS satellite applications field to document, is less useful for China's GNSS device
Independent development and its application；On the other hand, although the satellite navigation receiver of independent development has occurred in the country, but it is big absolutely
Part is also based on GPS, and mostly base band signal process adopts multicore chip technology（The twin-cores such as DSP+FPGA and ARM+FPGA
Based on sheet form）.
Existing reception device haves the shortcomings that：
1., due to using multiple chips, making the complexity and area occupied of wiring excessive, the debugging process of program cannot be same
Step observation, causes debugging process complicated and overelaborates, this just will certainly increase the test of research and development satellite navigation system reception device and
The difficulty of checking and time, it is unfavorable for shortening product development cycle；
2., due to using multiple chips, making the increase of pcb board area, satellite navigation system reception device will certainly be increased
The cost of production, can also affect whole satellite navigation system reception device equipment volume, be unfavorable for realizing that satellite navigation system connects
The miniaturization of receiving apparatus, and be unfavorable for carrying；
3. due to using multiple chips, will certainly the power consumption of whole satellite navigation system reception device also can increase, it is unfavorable
In realizing satellite navigation system reception device low-power consumption.
Using based on FPGA（Field-Programmable Gate Array, i.e. field programmable gate array）Logic list
The Nios II of unit（32 reduced instruction set computer flush bonding processors that Altera is released）Processor realizes satellite navigation receiver
Base band signal process.
Utility model content
For the deficiency of above-mentioned technology, a kind of reception of the Beidou satellite navigation system based on Nios II of this utility model
Device, using single chip technology：
First, using single chip technology, effectively reduce the wiring complexity of satellite navigation system reception device and take face
Product, the instrument that program debugging process can be provided by Altera reduces the difficulty of test, shortening the time of checking, beneficial to looking into
Look for design defect, shorten the satellite navigation system reception device construction cycle；
Second, using single chip technology, effectively reduce the area of pcb board, reduce the production of satellite navigation system reception device
Cost, the volume for making whole satellite navigation system reception device diminishes, carrying beneficial to satellite navigation system reception device and
Miniaturization；
3rd, using single chip technology, because number of chips is reduced, corresponding electronic component also can be reduced, and effectively be reduced
The power consumption of whole satellite navigation system reception device, beneficial to the low-power consumption for realizing satellite navigation system reception device.
Realizing the technical scheme of this utility model purpose is：
A kind of reception device of the Beidou satellite navigation system based on Nios II, including radio-frequency front-end and SoC Account Depts
Point, it is connected with each other and is constituted by radio-frequency front-end and SoC components of system as directed,
Radio-frequency front-end includes right-handed circular polarization antenna, RF processing unit and high-speed ADC（Analog to Digital
Converter, analog-digital converter）；
SoC components of system as directed includes SPI（Serial Peripheral Interface, Serial Peripheral Interface (SPI)）Control interface,
High-speed ADC data sampling interface, signal capture, signal trace, time reference, address and data access interface, embedded system
Unit（Altera Nios II）, serial ports and phaselocked loop.
The right-handed circular polarization antenna of described radio-frequency front-end, RF processing unit and high-speed ADC are sequentially connected；
The phaselocked loop of described SoC components of system as directed and SPI control interfaces, high-speed ADC data sampling interface, time reference,
Address is connected respectively with data access interface, embedded system unit and serial ports；
High-speed ADC data sampling interface and time reference are connected respectively with signal capture, signal trace,
Signal capture, signal trace are also connected with address with data access interface,
Address is connected with data access interface with embedded system unit,
Embedded system unit is connected with serial ports.
Described radio-frequency front-end effect is to receive satellite-signal, after pre-filtering being carried out to signal and being amplified, to what is received
Signal carries out down-converting to intermediate-freuqncy signal, and intermediate-freuqncy signal is converted in the numeral of discrete time after high-speed ADC conversion
Frequency signal.
The effect of described SoC components of system as directed is the clock frequency for controlling radio-frequency front-end, realize to the capture of signal, with
Track, bit synchronization and frame synchronization, pseudo range measurement and demodulation satellite navigation message data, to carry out to satellite navigation message data point
Analysis, and realize being accurately positioned.
The RF processing unit of described radio-frequency front-end is connected with the SPI control interfaces of SoC components of system as directed.
Beneficial effect
This utility model provides a kind of reception device of the Beidou satellite navigation system based on Nios II, signal baseband
Process part reduces answering for wiring using the embedded Nios 32 reduced instruction set computer flush bonding processor single chip technologies of II of FPGA
Miscellaneous degree and area occupied, the instrument that program debugging process can be provided by Altera, program debugging is convenient, effectively reduces test
Difficulty and checking time, beneficial to search design defect, shorten product development cycle；Reduce pcb board area, reduction satellite to lead
The production cost of boat system reception device, the volume for making whole satellite navigation system reception device diminishes, beneficial to satellite navigation system
The miniaturization of system reception device, to be convenient for carrying；While reducing number of chips, the quantity of electronic component is reduced, reduced whole
The power consumption of individual satellite navigation system reception device, beneficial to the low-power consumption for realizing satellite navigation system reception device.
Description of the drawings
Fig. 1 satellite navigation system reception device system architecture diagrams.
1 radio-frequency front-end in figure, 2 SoC components of system as directed, 3 right-handed circular polarization antennas, 4 RF processing units, 5 at a high speed
ADC, 6 SPI control interfaces, 7 high-speed ADC data sampling interfaces, 8 signal captures, 9 signal traces, 10 time references, 11
Address and data access interface, 12 embedded system units（Altera Nios II）, 13 serial ports, 14 phaselocked loops.
Specific embodiment
This utility model is further elaborated below in conjunction with the accompanying drawings, but is not to restriction of the present utility model.
Embodiment
As shown in Figure 1：
A kind of reception device of the Beidou satellite navigation system based on Nios II, including radio-frequency front-end 1 and SoC Account Depts
Divide 2, it is connected with each other and is constituted by radio-frequency front-end 1 and SoC components of system as directed 2,
Radio-frequency front-end 1 includes right-handed circular polarization antenna 3, RF processing unit 4 and high-speed ADC 5,
SoC components of system as directed 2 includes SPI control interfaces 6, high-speed ADC data sampling interface 7, signal capture 8, signal trace
9th, time reference 10, address and data access interface 11, embedded system unit 12, serial ports 13 and phaselocked loop 14,
The right-handed circular polarization antenna 3 and RF processing unit 4 of described radio-frequency front-end 1 and high-speed ADC 5 are sequentially connected；
The phaselocked loop 14 of described SoC components of system as directed 2 and SPI control interfaces 6, high-speed ADC data sampling interface 7, time
Benchmark 10, address and data access interface 11, embedded system unit 12 and serial ports 13 connect respectively；
High-speed ADC data sampling interface 7 and time reference 10 are connected respectively with signal capture 8, signal trace 9,
Signal capture 8, signal trace 9 are also connected with address with data access interface 11,
Address is connected with data access interface 11 with embedded system unit 12,
Embedded system unit 12 is connected with serial ports 13.
The described effect of radio-frequency front-end 1 is to receive satellite-signal, after pre-filtering being carried out to signal and being amplified, to what is received
Signal carries out down-converting to intermediate-freuqncy signal, and intermediate-freuqncy signal is converted in the numeral of discrete time after high-speed ADC 5 is changed
Frequency signal.
The effect of described SoC components of system as directed 2 is the clock frequency for controlling radio-frequency front-end, realize to the capture of signal, with
Track, bit synchronization and frame synchronization, pseudo range measurement and demodulation satellite navigation message data, to carry out to satellite navigation message data point
Analysis, and realize being accurately positioned.
The RF processing unit 4 of described radio-frequency front-end 1 is connected with the SPI control interfaces 6 of SoC components of system as directed 2.
Claims (6)
1. a kind of reception device of the Beidou satellite navigation system based on Nios II, it is characterised in that including radio-frequency front-end and
SoC components of system as directed, radio-frequency front-end and SoC components of system as directed are connected with each other；
Radio-frequency front-end includes right-handed circular polarization antenna, RF processing unit and high-speed ADC；
SoC components of system as directed includes SPI control interfaces, high-speed ADC data sampling interface, signal capture, signal trace, time base
Accurate, address and data access interface, embedded system unit, serial ports and phaselocked loop.
2. the reception device of the Beidou satellite navigation system based on Nios II according to claim 1, it is characterised in that
The right-handed circular polarization antenna of described radio-frequency front-end, RF processing unit and high-speed ADC are sequentially connected.
3. the reception device of the Beidou satellite navigation system based on Nios II according to claim 1, it is characterised in that
The phaselocked loop of described SoC components of system as directed and SPI control interfaces, high-speed ADC data sampling interface, time reference, address and number
Connect respectively according to access interface, embedded system unit and serial ports；
High-speed ADC data sampling interface and time reference are connected respectively with signal capture, signal trace,
Signal capture, signal trace are also connected with address with data access interface,
Address is connected with data access interface with embedded system unit,
Embedded system unit is connected with serial ports.
4. the reception device of the Beidou satellite navigation system based on Nios II according to claim 1, it is characterised in that
Described radio-frequency front-end effect is to receive satellite-signal, and after pre-filtering being carried out to signal and being amplified, the signal to receiving is carried out
Intermediate-freuqncy signal is down-converted to, and intermediate-freuqncy signal is converted into the digital medium-frequency signal of discrete time after high-speed ADC conversion.
5. the reception device of the Beidou satellite navigation system based on Nios II according to claim 1, it is characterised in that
The effect of described SoC components of system as directed is the clock frequency for controlling radio-frequency front-end, realizes capture, tracking, the bit synchronization to signal
With frame synchronization, pseudo range measurement and demodulation satellite navigation message data, to be analyzed to satellite navigation message data, and realize
It is accurately positioned.
6. the reception device of the Beidou satellite navigation system based on Nios II according to claim 1, it is characterised in that
The RF processing unit of described radio-frequency front-end is connected with the SPI control interfaces of SoC components of system as directed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088502.5U CN206133005U (en) | 2016-09-29 | 2016-09-29 | Compass navigation satellite system's receiving arrangement based on niosII |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201621088502.5U CN206133005U (en) | 2016-09-29 | 2016-09-29 | Compass navigation satellite system's receiving arrangement based on niosII |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206133005U true CN206133005U (en) | 2017-04-26 |
Family
ID=58571635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201621088502.5U Expired - Fee Related CN206133005U (en) | 2016-09-29 | 2016-09-29 | Compass navigation satellite system's receiving arrangement based on niosII |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206133005U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061682A (en) * | 2018-09-30 | 2018-12-21 | 中国气象局气象探测中心 | LEO occultation system and method suitable for aerostatics |
-
2016
- 2016-09-29 CN CN201621088502.5U patent/CN206133005U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109061682A (en) * | 2018-09-30 | 2018-12-21 | 中国气象局气象探测中心 | LEO occultation system and method suitable for aerostatics |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN201707440U (en) | High-dynamic GNSS multimode satellite navigation receiver integrated module device | |
| CN207780243U (en) | A kind of multi-frequency-point satellite navigation receiver | |
| CN109061682A (en) | LEO occultation system and method suitable for aerostatics | |
| CN103529456A (en) | Anti-interference A/D (analog-to-digital) chip for Compass satellite navigation | |
| CN101158718A (en) | Global position system real-time software receiving machine and real-time processing method thereof | |
| CN108594279A (en) | A kind of device received suitable for multisystem navigation signal monitoring | |
| CN105445768A (en) | Beidou navigation receiving device based on SCA and signal processing method thereof | |
| CN105319569A (en) | Multi-core DSP based inertial/satellite deep integration information processing hardware platform | |
| CN103308932B (en) | Monolithic multimode navigation chip based on broadband radio frequency direct technology | |
| CN104849729A (en) | Beidou satellite navigation anti-interference system | |
| KR20140135354A (en) | Apparatus for generating jammer of GNSS and system for testing electric-wave fault of GNSS comprising the same | |
| CN105738928A (en) | GNSS receiver, terminal device and positioning system | |
| CN110988924A (en) | Anti-interference BDS/GPS receiver based on array antenna | |
| CN203894414U (en) | Multimode single radio frequency channel GNSS receiver provided with single-chip microcomputer control | |
| CN206133005U (en) | Compass navigation satellite system's receiving arrangement based on niosII | |
| CN104698476A (en) | GPS satellite navigation receiver based on three-level mixing structure | |
| CN102122130A (en) | Second generation Beidou satellite time service watch and implementation method thereof | |
| CN202533579U (en) | Multisystem combined signal receiving device | |
| CN208847840U (en) | It is a kind of to carry out positioning the substation acquisition terminal synchronous with clock based on dual-satellite system | |
| CN203881947U (en) | Single-board three-antenna high-precision positioning and orientation receiver | |
| CN203658586U (en) | GGB100 multimode satellite navigation receiver | |
| CN201138374Y (en) | Real-time software receiving machine of global position system | |
| CN203732725U (en) | Miniature Beidou/GPS dual-mode radio frequency module | |
| CN103728627A (en) | Embedded positioning system based on Ublox GPS module | |
| CN204515139U (en) | A kind of low cost real-time satellite navigation and positioning algorithm demo plant |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Wei Zhaochuan Inventor after: Wu Guozeng Inventor after: Tang Zhenhui Inventor after: Pan Jundao Inventor before: Wei Zhaochuan Inventor before: Wu Guozeng Inventor before: Tang Zhenjun Inventor before: Pan Jundao |
|
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20170426 Termination date: 20170929 |