CN104166147A - Dual-mode chip based on Beidou-2 and GPS - Google Patents
Dual-mode chip based on Beidou-2 and GPS Download PDFInfo
- Publication number
- CN104166147A CN104166147A CN201410007969.1A CN201410007969A CN104166147A CN 104166147 A CN104166147 A CN 104166147A CN 201410007969 A CN201410007969 A CN 201410007969A CN 104166147 A CN104166147 A CN 104166147A
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- Prior art keywords
- gps
- dual
- module
- positioning
- mode
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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
- G01S19/33—Multimode operation in different systems which transmit time stamped messages, e.g. GPS/GLONASS
Abstract
The invention discloses a dual-mode chip based on the Beidou-2 and the GPS. The dual-mode chip at least comprises a GPS baseband receiving module and a Beidou baseband positioning signal receiving module used for receiving high-speed positioning signals of a GPS or Beidou positioning system, a high-speed caching module used for quickly and randomly accessing received GPS or Beidou positioning signals and transmitting the positioning signals, and an EBI centralized memory control module used for storing positioning signals acquired from a satellite in a centralized mode and processing the positioning signals into high-speed data signals for users. By adopting the dual-mode chip, users can locate their own positions easily, and the positioning accuracy and practicability of a Beidou satellite positioning system are improved. The dual-mode chip has a 1PPS output function. Free switching between a GPS positioning mode and a BD-2 system positioning mode is realized. The compatibility of the existing Beidou satellite positioning system terminal is improved. The market share of Beidou satellite utilization is expanded.
Description
Technical field
The present invention relates to technical field of navigation and positioning, particularly relate to the dual-mode chip based on the Big Dipper two and GPS.
Background technology
Beidou satellite navigation system is the active three-dimensional global position system of regionality and the communication system that China develops voluntarily, the GPS positioning system of the Shi Chu U.S., the 3rd ripe satellite navigation system after Muscovite GLONASS, and with external navigational system competition in the situation that, complete within a short period of time the Big Dipper economic security of the country field apply and in the rapid expansion of general marketplace, also face many challenges, first just must have the receiver of independent intellectual property right, therefore, also jejune present in the development of big-dipper satellite positioning system, need the compatible existing gps satellite of a kind of energy of design research and development location, can fully use the client terminal of big-dipper satellite positioning system again, bimodulus passive location receiver arises at the historic moment for this reason, and the core building block dual-mode chip that bimodulus passive location receives, but there is no independent intellectual property right.
Summary of the invention
In order to overcome above-mentioned the deficiencies in the prior art, the invention provides the dual-mode chip based on the Big Dipper two and GPS, its object is to improve the compatible performance of existing big-dipper satellite positioning system terminal, expands market share.
The technical solution adopted in the present invention is: the dual-mode chip based on the Big Dipper two and GPS, dual-mode chip at least includes: the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, for receiving the high speed positioning signal of GPS or Big Dipper positioning system, cache module, random access receives fast GPS or Big Dipper positioning signal, and transmit positioning signal, EBI pooled storage control module, the positioning signal of obtaining from satellite for centralized stores, and be processed into user oriented high-speed data signal, the present invention has adopted the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, cache module, EBI pooled storage control module, GPS positioning signal or the big-dipper satellite positioning signal of antenna reception will be utilized, transmit, storage, process, and export by peripheral data serial ports, make user can locate easily the position of oneself, degree of accuracy and the practicality of only using big-dipper satellite positioning system location have been improved, make dual-mode chip there is 1PPS output function, improve the compatible performance of existing big-dipper satellite positioning system terminal, expand the market share that big-dipper satellite is used.
Further, cache module is Cache cache memory, rapidly store location data.
Further again, in cache module, be also provided with Interface cache interface, so that cache module can be passed to data-signal pooled storage control module.
Further, the high-speed data signal that EBI pooled storage control module is handled well is forwarded to low speed data receiving-transmitting transmitter after filtering by Bridge, thereby is sent to the peripheral data serial ports of chip.
And, between cache module and EBI integrated storage controls module, be also provided with SRAM static store module, thereby preserve the internal data of chip.
Compared with prior art, the invention has the beneficial effects as follows: the present invention has adopted the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, cache module, EBI pooled storage control module, utilize GPS positioning signal or the big-dipper satellite positioning signal of antenna reception, transmit, storage, process, and export by peripheral data serial ports, make user can locate easily the position of oneself, degree of accuracy and the practicality of single use big-dipper satellite positioning system location have been improved, make dual-mode chip there is 1PPS output function, improve the compatible performance of existing big-dipper satellite positioning system terminal, expand the market share that big-dipper satellite is used.
Dual-mode chip of the present invention, utilize GPS positioning signal or the big-dipper satellite positioning signal of antenna reception, transmit, store, process, and export by peripheral data serial ports, make user can locate easily the position of oneself, improve degree of accuracy and the practicality of single use big-dipper satellite positioning system location, improved the compatible performance of existing big-dipper satellite positioning system terminal, expanded the market share that big-dipper satellite is used.
Accompanying drawing explanation
Fig. 1 is the theory diagram of the dual-mode chip based on the Big Dipper two and GPS;
Fig. 2 is an enforcement illustration of the dual-mode chip based on the Big Dipper two and GPS.
Embodiment
In order to deepen the understanding of the present invention, below in conjunction with drawings and Examples, the present invention is further described, and this embodiment, only for explaining the present invention, does not form and limits protection scope of the present invention.
As shown in Figure 1, the dual-mode chip based on the Big Dipper two and GPS, dual-mode chip at least includes: the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, for receiving the high speed positioning signal of GPS or Big Dipper positioning system, cache module, random access receives fast GPS or Big Dipper positioning signal, and transmit positioning signal, EBI pooled storage control module, the positioning signal of obtaining from satellite for centralized stores, and be processed into user oriented high-speed data signal, the present invention has adopted the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, cache module, EBI pooled storage control module, GPS positioning signal or the big-dipper satellite positioning signal of antenna reception will be utilized, transmit, storage, process, and export by peripheral data serial ports, make user can locate easily the position of oneself, degree of accuracy and the practicality of single use big-dipper satellite positioning system location have been improved, improve the compatible performance of existing big-dipper satellite positioning system terminal, expand the market share that big-dipper satellite is used.
Embodiment as shown in Figure 2, device operating voltage is 1.2/3.3V, working temperature is-40 to 85 degrees Celsius, its cache module is Cache cache memory, store location data rapidly, in cache module, be also provided with Interface cache interface, so that cache module can be passed to data-signal pooled storage control module, the high-speed data signal that EBI pooled storage control module is handled well is forwarded to low speed data receiving-transmitting transmitter after filtering by Bridge, thereby be sent to the peripheral data serial ports of chip, between cache module and EBI integrated storage controls module, be also provided with SRAM static store module, thereby preserve the internal data of chip.
Except above-mentioned module, in dual-mode chip, be also provided with the high speed satellite positioning signal of Debug Port debug port debugging input, and PLL phase-locked loop circuit module is to stablize chip circuit.
In addition, in dual-mode chip, be also provided with RTC time service clock and the anti-endless loop module of house dog WTD etc. to improve the unfailing performance of dual-mode chip.
Dual-mode chip of the present invention, utilize GPS positioning signal or the big-dipper satellite positioning signal of antenna reception, transmit, store, process, and export by peripheral data serial ports, make user can locate easily the position of oneself, degree of accuracy and the practicality of using big-dipper satellite positioning system location have been improved, and realized freely switching of GPS station-keeping mode and BD-2 system station-keeping mode, improve the compatible performance of existing big-dipper satellite positioning system terminal, expand the market share that big-dipper satellite is used.
What embodiments of the invention were announced is preferred embodiment, but is not limited to this, those of ordinary skill in the art; very easily, according to above-described embodiment, understand spirit of the present invention, and make different amplifications and variation; but only otherwise depart from spirit of the present invention, all in protection scope of the present invention.
Claims (5)
1. the dual-mode chip based on the Big Dipper two and GPS, is characterized in that: described dual-mode chip at least includes: the module of the reception positioning signal of GPS base band receiver module and Big Dipper base band, for receiving the high speed positioning signal of GPS or Big Dipper positioning system;
Cache module, random access receives fast GPS or Big Dipper positioning signal, and transmit positioning signal;
EBI pooled storage control module, the positioning signal of obtaining from satellite for centralized stores, and be processed into user oriented high-speed data signal.
2. the dual-mode chip based on the Big Dipper two and GPS according to claim 1, is characterized in that: described cache module is Cache cache memory.
3. the dual-mode chip based on the Big Dipper two and GPS according to claim 1, is characterized in that: in described cache module, be also provided with Interface cache interface.
4. the dual-mode chip based on the Big Dipper two and GPS according to claim 1, it is characterized in that: the high-speed data signal that EBI pooled storage control module is handled well is forwarded to low speed data receiving-transmitting transmitter after filtering by Bridge, thereby be sent to the peripheral data serial ports of chip.
5. the dual-mode chip based on the Big Dipper two and GPS according to claim 1, is characterized in that: between described cache module and EBI integrated storage controls module, be also provided with SRAM static store module, thereby preserve the internal data of chip.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007969.1A CN104166147A (en) | 2014-01-08 | 2014-01-08 | Dual-mode chip based on Beidou-2 and GPS |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410007969.1A CN104166147A (en) | 2014-01-08 | 2014-01-08 | Dual-mode chip based on Beidou-2 and GPS |
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| CN104166147A true CN104166147A (en) | 2014-11-26 |
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| CN201410007969.1A Pending CN104166147A (en) | 2014-01-08 | 2014-01-08 | Dual-mode chip based on Beidou-2 and GPS |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104636974A (en) * | 2015-02-13 | 2015-05-20 | 吴凡 | Real-time processing system and real-time processing method for information unit set |
| CN109463816A (en) * | 2018-10-09 | 2019-03-15 | 西安工业大学 | A kind of device for having both positioning and DC low-voltage heating function in clothes |
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| CN103190140A (en) * | 2010-12-03 | 2013-07-03 | 高通股份有限公司 | Method and apparatus for determining location of mobile device |
| CN103308932A (en) * | 2013-05-28 | 2013-09-18 | 中国电子科技集团公司第三十八研究所 | Monolithic multimode navigation chip based on broadband radio frequency direct technology |
| CN203849414U (en) * | 2014-01-08 | 2014-09-24 | 芜湖市振华戎科智能科技有限公司 | Dual-mode chip based on Beidou-2 and GPS |
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2014
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Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101611387A (en) * | 2007-01-10 | 2009-12-23 | 移动半导体公司 | Be used to strengthen the adaptive memory system of the performance of external computing device |
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| CN103190140A (en) * | 2010-12-03 | 2013-07-03 | 高通股份有限公司 | Method and apparatus for determining location of mobile device |
| CN103308932A (en) * | 2013-05-28 | 2013-09-18 | 中国电子科技集团公司第三十八研究所 | Monolithic multimode navigation chip based on broadband radio frequency direct technology |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104636974A (en) * | 2015-02-13 | 2015-05-20 | 吴凡 | Real-time processing system and real-time processing method for information unit set |
| CN104636974B (en) * | 2015-02-13 | 2018-01-09 | 吴凡 | A kind of real time processing system and its method of information unit set |
| CN109463816A (en) * | 2018-10-09 | 2019-03-15 | 西安工业大学 | A kind of device for having both positioning and DC low-voltage heating function in clothes |
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Application publication date: 20141126 |
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