CN102788987B - A kind of A-GNSS aided positioning system - Google Patents
A kind of A-GNSS aided positioning system Download PDFInfo
- Publication number
- CN102788987B CN102788987B CN201210287292.2A CN201210287292A CN102788987B CN 102788987 B CN102788987 B CN 102788987B CN 201210287292 A CN201210287292 A CN 201210287292A CN 102788987 B CN102788987 B CN 102788987B
- Authority
- CN
- China
- Prior art keywords
- gnss
- module
- server
- locating module
- app
- 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.)
- Active
Links
- 238000012545 processing Methods 0.000 claims abstract description 3
- 238000004364 calculation method Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims 1
- 238000004891 communication Methods 0.000 abstract description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 238000005516 engineering process Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000035945 sensitivity Effects 0.000 description 4
- 238000012937 correction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 230000010354 integration Effects 0.000 description 2
- 238000005259 measurement Methods 0.000 description 2
- 239000000203 mixture Substances 0.000 description 2
- 238000010295 mobile communication Methods 0.000 description 2
- BYGHZDSINXXOSM-UHFFFAOYSA-N 2-(9h-fluoren-2-yl)-5-[5-(9h-fluoren-2-yl)thiophen-2-yl]thiophene Chemical compound C1=C2CC3=CC=CC=C3C2=CC=C1C(S1)=CC=C1C(S1)=CC=C1C1=CC=C2C3=CC=CC=C3CC2=C1 BYGHZDSINXXOSM-UHFFFAOYSA-N 0.000 description 1
- 101150116940 AGPS gene Proteins 0.000 description 1
- 238000004458 analytical method Methods 0.000 description 1
- 230000008901 benefit Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- YGANSGVIUGARFR-UHFFFAOYSA-N dipotassium dioxosilane oxo(oxoalumanyloxy)alumane oxygen(2-) Chemical compound [O--].[K+].[K+].O=[Si]=O.O=[Al]O[Al]=O YGANSGVIUGARFR-UHFFFAOYSA-N 0.000 description 1
- 208000016570 early-onset generalized limb-onset dystonia Diseases 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000000977 initiatory effect Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 229910052627 muscovite Inorganic materials 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 230000011664 signaling Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
- 230000002123 temporal effect Effects 0.000 description 1
Landscapes
- Position Fixing By Use Of Radio Waves (AREA)
Abstract
The present invention provides a kind of A GNSS aided positioning system, including, GNSS reference receiver, reference station server, data processing centre, A GNSS server and A GNSS terminal, described A GNSS terminal includes APP module, GNSS locating module and control module, and described APP module is according to Location Request, receive and resolve the navigation data obtained from A GNSS server, exporting navigation assistance information.After using technical scheme, on the basis of existing GNSS portable communication apparatus can not increase and revise hardware, by the way of third-party application software is installed, it is achieved auxiliary positioning function.
Description
Technical field
The present invention relates to satellite navigation signals processing technology field, particularly relate to a kind of by APP program (third-party application
Program) receive and process GNSS system auxiliary information, to realize A-GNSS(Assisted-Global Navigation
Satellite System, assisted global aeronautical satellite alignment system, be called for short A-GNSS) system.
Background technology
GLONASS (Global Navigation Satellite System, GNSS) utilizes aeronautical satellite
It is timed, positions and finds range, can realize round-the-clock, comprehensive continuously for marine, land and aerial in worldwide
User provides the three dimensions of real-time high-precision, speed and temporal information.At present, GNSS contains the GPS of the U.S., Muscovite
GLONASS, the Galileo system of European Union, the triones navigation system of China, as a example by GPS system, this system is mainly by three parts
Composition, i.e. space segment, ground control segment and user's set part.Space segment is made up of 24 satellites, is distributed in 6 roads
In plane.The ground control segment master station by the work being responsible for, coordinating whole ground control system, the control at master station
Under system, inject to satellite and seek the ground antenna of text, as the monitoring station of automatic data acquisition center and communication aid system group
Become.User's set part is mainly made up of GPS and satellite antenna.
At present, when user environment is complex, the GNSS satellite signal received from GNSS satellite navigation system
The faintest, receiver takes long enough to it is possible to or the most may not be properly received and demodulation of satellite signal,
If the external world can be by receiver location required in signal capture with positioning calculation process for receiver, time, visible satellite sequence
Row, the clock correction parameters of each visible satellite, ephemeris, relative code phase retardation, Doppler frequency shift and various error school
Data message is just being waited to be supplied to receiver, then according to these information, receiver combines GNSS information and above auxiliary information
Location, can shorten primary positioning time, and available auxiliary signal improves the time of integration of the sensitivity with raising receiver,
This location mode be auxiliary satellite navigation system (Assisted-Global Navigation Satellite System,
A-GNSS).
In existing A-GNSS aided positioning system, A-GNSS is to build satellite parametric reduction receiver in outdoor open space,
Then mobile communications network (GSM/GPRS, CDMA, TD-SCDMA, WCDMA etc.) is utilized to transmit these to location terminal receiver
Assistance satellite information, is calculated the position being positioned terminal by network-side or terminal, to reduce GNSS chip acquisition satellite-signal
Time delay, reduce primary positioning time, more weak also nationality mobile network being made up, by leading by hiding area of synchronous signal
Boat bit information and long-time integration improve sensitivity, alleviate the GNSS chip dependency degree to satellite, structure such as accompanying drawing 1 institute
Show.
100 is A-GNSS aided positioning system composition frame chart, is implemented as: dispose a set of location in mobile radio communication
Platform 101, locating platform receives GNSS satellite signal by GNSS reference receiver 102, and output information is sent to reference
Site server 103, satellite-signal is converted into effective positioning assistance data by 103 to be left in data base 104, these data
Can be updated in respective life cycle, the auxiliary data information in data base 104 sends A-GNSS to by the Internet and takes
Business device 105,105 can provide the assistance data needed for GNSS location, and completes A-GNSS auxiliary between A-GNSS terminal 106 alternately
Positioning function.Wherein, locating platform 101 deploys multiple stage GNSS receiver, by hub by each GNSS receiver
After signal is pooled to GNSS information management platform, just can provide owning in whole GNSS reference net coverage to locating platform
GNSS satellite signal, once starts A-GNSS positioning flow, and first terminal can report the community at its current place to locating platform
Number, i.e. CELLID.Locating platform can get the latitude and longitude of base station of community, terminal current place, Query Location according to CELLID
The data base of assistance data obtains the satellite ephemeris information that this overhead, base station is current, then by these satellite ephemeris information by height
Layer signaling sends terminal to.Now terminal just can capture satellite-signal according to these satellite ephemeris information, carries out pseudorange
Measure, and calculate the position at the current place of terminal, and as traditional GNSS location, all of satellite all need not be carried out
Traversal search just can determine which is current visible satellite.So it is effectively shortened and searches the star time, also reduce battery
Consume.If in indoor or building compact district, owing to terminal overhead, location is blocked, terminal i.e. enables and receives assistance data
When also cannot be carried out correct measurement, locating platform can use non-GNSS location technology (such as CELLID, TA, EOTD etc.) to end
End positions, although decreases in precision, but is effectively improved position success rate.
At present, improving and building along with each GNSS satellite navigation system, satellite-based location navigation function obtains
The attention of all trades and professions and application, and along with development and perfect, the smart mobile phone of the terminal markets such as smart mobile phone flat board are put down
The constantly upgrading of the product functions such as plate and expansion, can solve sensitivity problem and the A-GNSS of short TTFF time under special environment
The most it is widely used.A-GNSS receiver needs network support, and existing mobile phone, PAD, notebook computer, PDA etc. are
Possess communication function and positioning function, along with being widely used of portable set and more and more higher to positioning requirements, to current city
On field, the portable equipment such as mobile phone, PDA it is also proposed the demand of auxiliary positioning, to solve at the satellite-signal such as urban canyons, indoor
Bad region also realizes good locating effect.Therefore, how on existing level of hardware, allow general portable set
Auxiliary positioning function can be realized with relatively low expense and simple mode, be that of current mobile platform positioning field asks
Topic.
Summary of the invention
It is an object of the invention to provide a kind of A-GNSS aided positioning system, it is possible at existing GNSS portable communication apparatus
On the basis of realize auxiliary positioning function, and need not extra hardware spending.
The present invention provides a kind of A-GNSS aided positioning system, including, GNSS reference receiver, reference station server, number
According to processing center, A-GNSS server and A-GNSS terminal, described A-GNSS terminal includes APP module, GNSS locating module and
Control module, described APP module, according to Location Request, receives and resolves the navigation data obtained from A-GNSS server, output
Navigation assistance information.
Further, described control module controls the unlatching of described APP module or quits work.
Further, the described GNSS locating module of described control module control is turned on and off described navigation assistance information
Receive.
Further, described APP module exports described navigation assistance information by the interface of standard.
Further, the resolving of described alignment system has described A-GNSS server to complete.
Further, the resolving of described alignment system has described GNSS locating module to complete.
Further, described GNSS locating module is single mode, bimodulus or multimode locating module.
Further, described GNSS locating module is the Big Dipper-2 system locating module.
After using technical scheme, existing GNSS portable communication apparatus can not increase and revise hardware
On the basis of, by the way of third-party application software is installed, it is achieved auxiliary positioning function.
Accompanying drawing explanation
Fig. 1 is existing A-GNSS aided positioning system pie graph；
Fig. 2 is embodiment of the present invention A-GNSS aided positioning system pie graph；
APP module workflow diagram when Fig. 3 is embodiment of the present invention MSB pattern；
GNSS locating module workflow diagram when Fig. 4 is embodiment of the present invention MSB pattern.
Detailed description of the invention
In order to make the purpose of the present invention, technical scheme and advantage clearer, below in conjunction with drawings and Examples, right
The present invention is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the present invention, and
It is not used in the restriction present invention.
The angle that A-GNSS technology is initiated from request can be divided into: network is initiated and terminal initiates two kinds.Network initiate be by
After platform issues Location Request by WAP PUSH mode or SMS, terminal is set up IP with platform and is connected, and completes location stream
Journey；Terminal is initiated to be then that terminal is actively set up IP with platform and is connected, initiation Location Request.From PVT calculation can be divided into MSA and
MSB two kinds: MSA(MS-Assisted) be by location terminal complete pseudo range measurement after calculated PVT by locating platform；MSB(MS-
Based) being to be completed to measure and calculate PVT by location terminal, locating platform provides only auxiliary information.
Fig. 2 is the system utilizing A-GNSS to carry out auxiliary positioning, and shown 200 is A-GNSS auxiliary positioning receiver system,
A-GNSS system MSA and two kinds of calculations of MSB can be realized.Wherein 201 is A-GNSS server, can be flat by A-GNSS location
Platform provide GNSS location needed for assistance data, 203 be APP application blocks, complete A-GNSS auxiliary positioning request, receive with
Resolving the functions such as assisting navigation data, the navigation assistance information then resolved by standard interface output, 204 is that GNSS positions mould
Block, may choose whether to receive the data message that 203APP application blocks transmits, if selecting not receive, then complete independently location is led
Boat function, if selecting to receive the data message that APP transmits, now, if MSA pattern, then 204GNSS locating module calculates
Send APP module after the measured values such as pseudorange to, APP be sent to A-GNSS server, A-GNSS server complete PVT and solve
Calculate, then send GNSS locating module to via APP and complete location navigation；If MSB pattern, then GNSS locating module utilizes and connects
The auxiliary information received completes location navigation function, exports PVT object information, and 202 is control module, may control whether open-minded
APP functions of modules is to save flow, it is possible to control whether to open GNSS locating module.
When 202 control modules open APP module 203,203APP application blocks completes and 201A-GNSS server
Communication, when 202 control modules open APP application blocks, 203 obtain navigation assistance information from 201A-GNSS server, solve
The receiver location needed for location, time, visible satellite is directly exported by mark protocol interface to 202GNSS receiver after analysis
Sequence, the clock correction parameters of each visible satellite, ephemeris, relative code phase retardation, Doppler frequency shift and various error
The data messages such as correction, if MSA pattern, the measured value such as pseudorange that APP module GNSS to be received locating module calculates sends
To 201A-GNSS server, A-GNSS server the PVT completing terminal resolves, then positioning result is sent to APP via
APP sends GNSS locating module to.The workflow diagram of the APP application blocks under MSB pattern is as it is shown on figure 3, detailed process
For:
(1), when APP starts 300,301 send A-GNSS by mobile communications network opens control signal；
(2) network is according to the position of community, terminal place, location, sends terminal position, location corresponding satellite auxiliary
Information, 302 by the located in connection agps system server such as cordless communication network or the Internet and terminal use it
Between standard agreement receive A-GNSS server transport auxiliary information；
The auxiliary information received is resolved by (3) 303 according to content and the form of standard agreement definition, obtains corresponding
Supplementary guiding information；
(4) when there being A-GNSS location requirement, the supplementary guiding information resolved in step (3) is pressed standard interface by 304 to be passed
Give GNSS receiver, terminal procedure 305.
GNSS locating module workflow based on MSB pattern, as shown in Figure 4, concretely comprises the following steps:
(1), when location terminal positioning starts 400, first A-GNSS auxiliary positioning is judged whether to by control unit 401；
(2) if 401 control units judge to carry out A-GNSS auxiliary positioning, then 402 open A-GNSS auxiliary positioning switch, connect
Receive the auxiliary information of APP transmission, give 403 captures carrying out satellite-signal；If it is auxiliary that 401 control units judge not carry out A-GNSS
Help location, then 405 pairs of satellite-signals carry out blind catching；
(3) if in step (2) 403 under auxiliary information fast Acquisition to visible satellite signal, obtain the code phase of satellite
And Doppler, then entering 404 tracking satellite signals, the auxiliary information in conjunction with APP transmission obtains complete navigation text；
(4) catch if the 405 pairs of satellite-signals are blind in step (2), obtain the satellite number of visible satellite signal, code phase and Duo Pu
Strangle, then enter 406 tracking satellite signals, and demodulation obtains navigation message；
After (5) 406 and 404 obtain navigation message, all can send into 407 and carry out PVT resolving, after positioning successfully, this time position knot
Bundle 408.
Present invention achieves a kind of A-GNSS aided positioning system, within the system, by independent APP application program module
Go to realize reception and parsing, output GNSS navigation neceiver capture and the location institute of various different satellite navigation system auxiliary information
The information needed, GNSS receiver has only to receive the auxiliary information of APP transmission according to host-host protocol, and fast Acquisition satellite navigation is believed
Number and position, shorten GNSS receiver FTTF and improve receiver sensitivity, owing to independent APP can realize various defending
The parsing of star navigation system auxiliary information, common GNSS receiver only need to choose whether to receive the auxiliary information of APP transmission, independent
Complete location navigation or by receiving the auxiliary information realization A-GNSS receiver function of APP transmission.
The foregoing is only presently preferred embodiments of the present invention, not in order to limit the present invention, all essences in the present invention
Any amendment, equivalent and the improvement etc. made within god and principle, should be included within the scope of the present invention.
Claims (3)
1. an A-GNSS aided positioning system, including, GNSS reference receiver, reference station server, data processing centre, A-
GNSS server and A-GNSS terminal, it is characterised in that described A-GNSS terminal includes APP module, GNSS locating module and control
Molding block, described APP module, according to Location Request, receives and resolves the navigation data obtained from A-GNSS server, and output is led
Boat auxiliary information；Described control module controls described APP module and opens or quit work and the opening of described GNSS locating module
Close；Described APP module exports described navigation assistance information by the interface of standard；The resolving of described alignment system includes by described
A-GNSS server completes and is completed two ways by described GNSS locating module, and described A-GNSS terminal is from the two solution
Calculation mode has selected positioning calculation；If being completed by described A-GNSS server, then GNSS locating module calculates puppet
After measured value, send described APP module to, described APP module be sent to described A-GNSS server, by described A-GNSS
Server complete PVT resolve, then via described APP module send to described GNSS locating module complete location；If by institute
Stating GNSS locating module to complete, the most described GNSS locating module utilizes the described navigation assistance information that described APP module receives
Complete location, export PVT object information；Described GNSS locating module includes that auxiliary information receiving interface and Pseudo-range Observations are defeated
Outgoing interface.
A-GNSS aided positioning system the most according to claim 1, it is characterised in that described GNSS locating module is single
Mould, bimodulus or multimode locating module.
A-GNSS aided positioning system the most according to claim 2, it is characterised in that described GNSS locating module includes north
Bucket-2 system locating modules.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210287292.2A CN102788987B (en) | 2012-08-14 | 2012-08-14 | A kind of A-GNSS aided positioning system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210287292.2A CN102788987B (en) | 2012-08-14 | 2012-08-14 | A kind of A-GNSS aided positioning system |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102788987A CN102788987A (en) | 2012-11-21 |
| CN102788987B true CN102788987B (en) | 2016-12-21 |
Family
ID=47154438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210287292.2A Active CN102788987B (en) | 2012-08-14 | 2012-08-14 | A kind of A-GNSS aided positioning system |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102788987B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103176197B (en) * | 2013-02-28 | 2014-11-05 | 江苏天源电子有限公司 | Auxiliary Beidou satellite positioning system and positioning tracking terminal based on same |
| CN104570025A (en) * | 2013-10-18 | 2015-04-29 | 芯讯通无线科技（上海）有限公司 | Positioning device and positioning method thereof |
| CN105068100A (en) * | 2015-08-03 | 2015-11-18 | 厦门金网星联科技有限公司 | Satellite navigation assistant positioning system |
| CN105182384A (en) * | 2015-08-24 | 2015-12-23 | 桂林电子科技大学 | Dual-mode real-time pseudo-range differential positioning system and pseudo-range correction data generation method |
| CN105357284B (en) * | 2015-10-20 | 2019-02-22 | 中国有色金属长沙勘察设计研究院有限公司 | A kind of GNSS server and its implementation |
| CN105974457A (en) * | 2015-11-19 | 2016-09-28 | 乐卡汽车智能科技（北京）有限公司 | Hybrid location method and device based on V2X and GNSS |
| CN109358354B (en) * | 2018-11-20 | 2020-12-15 | 中国电子科技集团公司第五十四研究所 | Handheld navigation signal simulator |
| CN112904372B (en) * | 2021-04-22 | 2024-01-12 | 电子科技大学 | Auxiliary satellite navigation system and positioning method thereof |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890997A (en) * | 2003-10-10 | 2007-01-03 | 艾利森电话股份有限公司 | Mobile-terminal gateway |
| CN101715163A (en) * | 2009-11-24 | 2010-05-26 | 中兴通讯股份有限公司 | Method and device for acquiring auxiliary positioning data |
-
2012
- 2012-08-14 CN CN201210287292.2A patent/CN102788987B/en active Active
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1890997A (en) * | 2003-10-10 | 2007-01-03 | 艾利森电话股份有限公司 | Mobile-terminal gateway |
| CN101715163A (en) * | 2009-11-24 | 2010-05-26 | 中兴通讯股份有限公司 | Method and device for acquiring auxiliary positioning data |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102788987A (en) | 2012-11-21 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102788987B (en) | A kind of A-GNSS aided positioning system | |
| US7724186B2 (en) | Enhanced aiding in GPS systems | |
| US9042913B2 (en) | Transmitter position integrity checking | |
| CN101365957B (en) | Global navigation satellite system | |
| US9134424B2 (en) | Method and system for determining position using a satellite system | |
| US20170299724A1 (en) | Method for enhanced stand-alone global navigation satellite system (gnss) performance | |
| US20230072669A1 (en) | Vehicle positioning using pseudo range observation and doppler observation values | |
| CN105353391A (en) | Location augmentation system of multi-network integration supporting multi-type location terminals and location augmentation method of multi-network integration supporting multi-type location terminals | |
| MX2008010874A (en) | Global navigation satellite system. | |
| JP2009530622A5 (en) | ||
| CN102866410A (en) | Method for position determination with measurement stitching | |
| CN109100746A (en) | A kind of tunnel placement system and method based on forward node | |
| CN103069299B (en) | Portable communication terminals and methods for cooperative positioning support during poor satellite coverage | |
| US20080076449A1 (en) | Mobile communication terminal for receiving position information service and method thereof | |
| CN102788982A (en) | Assisted positioning-monitoring system | |
| CN101529269B (en) | Providing and using messages including time related information | |
| US8638258B2 (en) | Method and system for a virtual wide area GNSS reference network | |
| KR20120048953A (en) | Apparatus, system and method for determining position of mobile terminal using access point including gnss receiver | |
| CN112731268B (en) | Differential data processing method and positioning tracking system | |
| Mulassano et al. | Assisted global navigation satellite systems: An enabling technology for high demanding location-based services | |
| CN111988842A (en) | Mobile phone positioning method and system based on cloud and edge calculation | |
| Weng et al. | An efficient method of self-generated assistance data for fast-fix applications |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: 523808, A410-A411, room 17, No. two, Songshan hi tech Industrial Development Zone, Songshan Lake, Dongguan, Guangdong, Dongguan, China Applicant after: TECHTOTOP MICROELECTRONICS Co.,Ltd. Address before: 523808, A410-A411, room 17, No. two, Songshan hi tech Industrial Development Zone, Songshan Lake, Dongguan, Guangdong, Dongguan, China Applicant before: TECHTOTOP MICROELECTRICS Co.,Ltd. DONGGUAN CITY |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: DONGGUAN TECHTOP MICROELECTRONICS CO., LTD. TO: TAIDOU MICROELECTRONICS TECHNOLOGY CO., LTD. |
|
| CB02 | Change of applicant information |
Address after: 510663 Guangzhou City, Guangdong province high tech Development Zone, Science City, Cai Cai road, room, No. 11, room A701 Applicant after: TECHTOTOP MICROELECTRONICS Co.,Ltd. Address before: Two road 523808 in Guangdong province Dongguan City Songshan Lake high tech Industrial Development Zone headquarters No. 17 room A410-A411 Applicant before: TECHTOTOP MICROELECTRONICS Co.,Ltd. |
|
| COR | Change of bibliographic data | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CB03 | Change of inventor or designer information |
Inventor after: Liu Lining Inventor after: Gao Feng Inventor after: Xu Xiangbin Inventor before: Liu Lining |
|
| CB03 | Change of inventor or designer information | ||
| CP02 | Change in the address of a patent holder | ||
| CP02 | Change in the address of a patent holder |
Address after: 510530 Room 301 and 401, Building 42, Dongzhong Road, East District, Guangzhou Economic and Technological Development Zone, Guangdong Province Patentee after: TECHTOTOP MICROELECTRONICS Co.,Ltd. Address before: 510663 Guangzhou City, Guangdong province high tech Development Zone, Science City, Cai Cai road, room, No. 11, room A701 Patentee before: TECHTOTOP MICROELECTRONICS Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An auxiliary positioning system of a-gnss Effective date of registration: 20210107 Granted publication date: 20161221 Pledgee: China Co. truction Bank Corp Guangzhou Tianhe subbranch Pledgor: TECHTOTOP MICROELECTRONICS Co.,Ltd. Registration number: Y2021440000004 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Date of cancellation: 20220310 Granted publication date: 20161221 Pledgee: China Co. truction Bank Corp Guangzhou Tianhe subbranch Pledgor: TECHTOTOP MICROELECTRONICS Co.,Ltd. Registration number: Y2021440000004 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: An a-gnss aided positioning system Effective date of registration: 20220630 Granted publication date: 20161221 Pledgee: Societe Generale Bank Limited by Share Ltd. Guangzhou branch Pledgor: TECHTOTOP MICROELECTRONICS Co.,Ltd. Registration number: Y2022980009607 |
|
| PC01 | Cancellation of the registration of the contract for pledge of patent right | ||
| PC01 | Cancellation of the registration of the contract for pledge of patent right |
Granted publication date: 20161221 Pledgee: Societe Generale Bank Limited by Share Ltd. Guangzhou branch Pledgor: TECHTOTOP MICROELECTRONICS Co.,Ltd. Registration number: Y2022980009607 |