CN101153902A - Locating method for navigator - Google Patents
Locating method for navigator Download PDFInfo
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- CN101153902A CN101153902A CNA2006101223464A CN200610122346A CN101153902A CN 101153902 A CN101153902 A CN 101153902A CN A2006101223464 A CNA2006101223464 A CN A2006101223464A CN 200610122346 A CN200610122346 A CN 200610122346A CN 101153902 A CN101153902 A CN 101153902A
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- navigator
- almanac data
- gps almanac
- gps
- localization method
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Abstract
The invention relates to a positioning method for navigation device, which includes that a GPS ephemeris data is first received by a GPS receiver and is stored by a GPS ephemeris data server, the navigation device is connected with the GPS ephemeris data server by internet, the GPS ephemeris data is downloaded to the navigation device and a navigation software of the navigation device is started and complete positioning by GPS ephemeris data, thereby reducing the positioning time of navigation device expended in cold starting.
Description
[technical field]
The invention relates to a kind of localization method, and particularly before starting navigation software, receive the GPS almanac data from GPS almanac data server earlier relevant for a kind of.
[background technology]
Global Positioning System (GPS) (Global Position System, GPS) being applied to navigator fix is a completely new concept, utilizes this Aquarian science and technology, anyone can obtain correct position, speed and time easily.The GPS development plan is to be presided over by U.S. Department of Defense, is participated in by Department of Transportation, and this technology is transferred to use among the people, is applied in the relevant operations such as navigator fix, precision measurement, attitude and standard time.GPS is the navigational system in conjunction with satellite and wireless technology, can provide the user accurately location, speed and time.The application of GPS extensively is present in existing market, along with the progress of satellite science and technology, many GPS technology and business opportunity also just develop by leaps and bounds, and GPS is confined to military unit in early days, its purpose is at military use, for example degree of accuracy location of opportunity of combat, ships, vehicle, personnel, attack subject matter etc.Even to this day, GPS is open to be used as the location among the people, this is in conjunction with the science and technology of the deep space satellite and the communication technology, in the flourishing expansion in market among the people, except providing the accurate localization, also can accurately provide message for speed, time, direction and distance, the scope of utilization is quite extensive, and GPS is limitless business opportunity abrim really.
But in present GPS location, navigator must (sky does not have veil arround reaching) just receive the satellite positioning signal that gps satellite transmitted by the gps antenna on the navigator in the open space.And navigator will be finished under cold boot (cold start) situation when locating, and navigator gets earlier and receives almanac data from gps satellite, and then receives locator data, finishes primary location to obtain enough data.And such position fixing process approximately needs 45 seconds～time of not waiting in 2 minutes, and if in the area of the non-constant of reception, the time of this cost may be longer.
Therefore, nearly one or two years, existing people developed to have whole packet radio (GeneralPacket Radio Service, abbreviation GPRS) pan-European digital action telephone system (Global Systemfor Mobile Communications is called for short GSM) mobile phone is located.And the mode of utilizing mobile phone to do to locate, be commonly referred to as auxiliary global satellite positioning system (Assisted GPS, be called for short AGPS), the difference of itself and traditional GPS maximum, be that GPS only utilizes satellite to position, locate for the first time and the time-consuming length in each afterwards location, AGPS then searches user's rough position earlier by the GSM base station, utilize gps satellite to do accurate location again, not only can save positioning time for the first time, be reduced to 10 seconds by traditional one minute, locate required time afterwards at every turn, also be reduced to 0.1 second by 40 seconds, and after overcoming in traditional GPS inlet chamber, the shortcoming that can't locate because the satellite reception is not good.
Yet though utilize AGPS can improve some shortcoming of GPS location in the past, it still exists following shortcoming:
(1) use of AGPS needs the telecommunications dealer that this service is provided, and could use.
(2) mobile phone with AGPS function needs the function of GPRS.
(3) GPRS package transfer rate is slower at present, thereby can drag equally slow positioning time.
(4) the GPRS package is when transmitting, and telecommunications dealer can collect the charges.
[summary of the invention]
Purpose of the present invention is exactly that a kind of localization method of navigator is being provided, and it can utilize the function of the wireless Internet access of navigator, receives the GPS almanac data from GPS almanac data server earlier before starting navigation software.
A further object of the present invention provides a kind of localization method of navigator, it can utilize host computer to connect from GPS almanac data downloaded GPS almanac data, and navigator receives GPS almanac data in synchronous or asynchronous mode from host computer with the pattern of wireless transmission or wire transmission again.
The present invention proposes a kind of localization method of navigator, and this localization method comprises at first by GPS receiver reception GPS almanac data, secondly the GPS almanac data that is received by GPS almanac data server stores.Then, navigator is connected to GPS almanac data server by network, and the download GPS almanac data is to navigator.Then, start the navigation software of navigator, and utilize the GPS almanac data to finish the location.
Described according to preferred embodiment of the present invention, above-mentioned utilize the GPS almanac data to finish localization step to comprise that at first navigator is searched HA Global Positioning Satellite with the GPS almanac data.Secondly, after searching then from the HA Global Positioning Satellite receiving satellite positioning signals.Then, satellite positioning signal is deciphered, to obtain the locator data of navigator position.
Described according to preferred embodiment of the present invention, the above-mentioned decoding to the satellite positioning signal do comprises amplifies satellite positioning signal.
Described according to preferred embodiment of the present invention, above-mentioned makes to decipher the noise that comprises in the filtering satellite positioning signal to satellite positioning signal.
Described according to preferred embodiment of the present invention, above-mentioned navigator is connected to GPS almanac data server in the wireless Internet access mode by network.
The present invention reintroduces a kind of localization method of navigator, and this localization method comprises at first by GPS receiver reception GPS almanac data, secondly the GPS almanac data that is received by GPS almanac data server stores.Then, with host computer by network to GPS almanac data downloaded and store the GPS almanac data.Then, navigator then by communication pattern from host computer download GPS almanac data.At last, promptly start the navigation software of navigator, and utilize the GPS almanac data to finish the location.
Described according to preferred embodiment of the present invention, above-mentioned communication pattern comprises wireless communication mode or wire transmission pattern.
Described according to preferred embodiment of the present invention, above-mentioned with host computer by network to GPS almanac data downloaded and store the GPS almanac data and navigator is synchronization action by communication pattern from host computer download GPS almanac data.
Described according to preferred embodiment of the present invention, above-mentioned with host computer by network to GPS almanac data downloaded and store the GPS almanac data and navigator is asynchronous behavior by communication pattern from host computer download GPS almanac data.
The present invention is because of adopting earlier from GPS almanac data downloaded GPS almanac data, therefore can be after navigator searching HA Global Positioning Satellite, needn't experience the action that receives the GPS almanac data again, can directly receive locator data, receive the time of data with the minimizing navigator, and then shorten the time that cold boot (coldstart) is spent.In addition, can also upgrade the GPS almanac data at any time.
For purpose of the present invention, structural attitude and function thereof are had further understanding, conjunction with figs. is described in detail as follows now:
[description of drawings]
Fig. 1 illustrates the flow chart of steps according to the localization method of a kind of navigator of a preferred embodiment of the present invention.
Fig. 2 illustrates the flow chart of steps according to the localization method of a kind of navigator of another preferred embodiment of the present invention.
[embodiment]
Please refer to Fig. 1, it illustrates the flow chart of steps according to the localization method of a kind of navigator of a preferred embodiment of the present invention.Wherein, as be familiar with this skill person and can know easily, navigator can be intelligent mobile phone (Smart Phone), personal digital assistant (Personal Digital Assistant is called for short PDA) or mobile phone (mobile phone), but all this does not exceed.
In the present embodiment, the localization method of navigator is at first to receive GPS almanac data (S102) by GPS receiver (that is GPD antenna) in the HA Global Positioning Satellite that it searched.Wherein, the GPS almanac data is for by the data that gps satellite sent, information such as comprise each satellite orbital position, troop, and the speed that this GPS almanac data can be promoted GPS receiver searching satellite.
Secondly, GPS receiver can be stored to the GPS almanac data that is received one GPS almanac data server (S104).Wherein, as be familiar with this skill person and can know easily, GPS receiver and GPS almanac data server can for example be by the user of navigator institute's framework voluntarily, or the commercial activity that service provider was engaged in, but all not as limit.
Then, before the navigation software of the user of navigator in desire startup navigator, can be connected to GPS almanac data server by network in advance, in GPS almanac data server, download up-to-date GPS almanac data then to navigator (S106).Yet, when if GPS receiver and GPS almanac data server are the commercial activity that service provider was engaged in, service provider sets up such GPS almanac data server in a plurality of zones, and the user is when connecting by network, it allows the user be online to the most close user's GPS almanac data server for design, can obtain correct GPS almanac data to guarantee the user.
In preferred embodiment of the present invention, the mode that navigator is connected to GPS almanac data server by network can for example be that the mode with wireless network or cable network connects.
In the present embodiment, after completing steps S106, the user can start the navigation software of navigator, and utilizes the GPS almanac data of being downloaded to finish location (S108).Wherein, in step S108, it is to comprise the user behind the navigation software that starts navigator (S110), and navigator promptly utilizes the GPS almanac data search of being downloaded to finish location needed four HA Global Positioning Satellite (S112).
And after navigator searched four HA Global Positioning Satellite, it can be from HA Global Positioning Satellite receiving satellite positioning signals (S114).Then, navigator is then deciphered satellite positioning signal, obtaining the locator data of navigator position, and then according to showing position (S116) in this locator data (for example being longitude, latitude, relative displacement velocity of displacement, relative displacement sense of displacement angle or the like) on by the GIS in the navigator (Geographic Information System) map.
Then please refer to Fig. 2, it illustrates the flow chart of steps according to the localization method of a kind of navigator of another preferred embodiment of the present invention.In Fig. 2, this localization method is at first to receive GPS almanac data (S202) by GPS receiver (that is GPD antenna) in the HA Global Positioning Satellite that it searched.Secondly, GPS receiver can be stored to the GPS almanac data that is received one GPS almanac data server (S204).
Then, before the navigation software of the user of navigator in desire startup navigator, can be connected to GPS almanac data server with a host computer by network in advance, in GPS almanac data server, download up-to-date GPS almanac data then to host computer (S206).
Then, the user then utilizes the communication pattern between navigator and host computer, from host computer download GPS almanac data (S208).Wherein, communication pattern can for example be wireless communication mode or wire transmission pattern, and this wireless communication mode can for example be infrared transmission, wireless radio transmission or Bluetooth transmission.
And, step S206 and S208 can synchronization action or asynchronous behaviors, that is, if synchronously the time, be navigator with host computer online after, make host computer be online to GPS almanac data server again, and when host computer received up-to-date GPS almanac data, navigator was also at once from host computer download GPS almanac data.Otherwise, asynchronous behavior then be host computer earlier from GPS almanac data downloaded with store the GPS almanac data after, navigator is online to host computer again, and again from host computer download GPS almanac data.
In the present embodiment, after completing steps S208, the user can start the navigation software of navigator, and utilizes the GPS almanac data of being downloaded to finish location (S210).Wherein, in step S210, it is to comprise the user behind the navigation software that starts navigator (S212), and navigator promptly utilizes the GPS almanac data search of being downloaded to finish location needed four HA Global Positioning Satellite (S214).
And after navigator searched four HA Global Positioning Satellite, it can be from HA Global Positioning Satellite receiving satellite positioning signals (S216).Then, navigator is then deciphered satellite positioning signal, obtaining the locator data of navigator position, and then according to showing position (S218) in this locator data (for example being longitude, latitude, relative displacement velocity of displacement, relative displacement sense of displacement angle or the like) on by the GIS in the navigator (Geographic Information System) map.
In preferred embodiment of the present invention, satellite positioning signal is done decoding comprise the noise in amplification of satellite positioning signal do and the filtering satellite positioning signal.
In preferred embodiment of the present invention, this satellite positioning signal is the NMEA form.
In preferred embodiment of the present invention, the localization method of navigator of the present invention is applicable to when navigator is in cold boot (cold Start) state, that is start back navigator need be carried out the initialization action of a succession of as download ephemeris etc.
In sum, the localization method of navigator of the present invention has following advantages:
(1) localization method of navigator of the present invention is by general networking download GPS almanac data, because of This is quite to be easy in today of network prosperity for obtaining of network on-line, that is, can connect The place of upper network can the download GPS almanac data.
(2) in the localization method of navigator of the present invention, come download GPS because be by general networking Almanac data, so its speed of download is quick.
(3) in the localization method of navigator of the present invention, stored in the GPS almanac data server The GPS almanac data can be upgraded by server at any time.
(4) in the localization method of navigator of the present invention, when the user is in GPS signal reception state Not good when regional, can reduce receiving the time that the GPS almanac data spends, and can allow the GPS location more Easily.
(5) in the localization method of navigator of the present invention, can wait until at indoor renewal GPS almanac data In the time that outdoor use will being arrived, shorten the required time of location.
Claims (17)
1. the localization method of a navigator is applicable to when this navigator is in cold start-up (cold Start), it is characterized in that this localization method comprises:
Receive a GPS almanac data by a GPS receiver;
By this GPS almanac data of GPS almanac data server stores;
This navigator is connected to this GPS almanac data server by network, and downloads this GPS almanac data to this navigator.
2. the localization method of navigator as claimed in claim 1 is characterized in that, starts a navigation software of this navigator, and utilizes this GPS almanac data to finish the location, utilizes this GPS almanac data to finish localization step and comprises:
This navigator is searched HA Global Positioning Satellite with this GPS almanac data;
Receive a satellite positioning signal from HA Global Positioning Satellite; And
This satellite positioning signal is deciphered, to obtain a locator data of this navigator position.
3. the localization method of navigator as claimed in claim 2 is characterized in that, this satellite positioning signal do decoding is comprised this satellite positioning signal is amplified.
4. the localization method of navigator as claimed in claim 2 is characterized in that, this satellite positioning signal is made to decipher the noise that comprises in this satellite positioning signal of filtering.
5. the localization method of navigator as claimed in claim 2 is characterized in that, this satellite positioning signal is the NMEA form.
6. the localization method of navigator as claimed in claim 1 is characterized in that, this navigator is connected to this GPS almanac data server in the wireless Internet access mode by network.
7. the localization method of a navigator is applicable to when this navigator is in cold start-up (cold Start), it is characterized in that this localization method comprises:
Receive a GPS almanac data by a GPS receiver;
By this GPS almanac data of GPS almanac data server stores;
With a host computer by network to this GPS almanac data downloaded and store this GPS almanac data;
This navigator is downloaded this GPS almanac data by a communication pattern from this host computer; And
Start a navigation software of this navigator, and utilize this GPS almanac data to finish the location.
8. the localization method of navigator as claimed in claim 7 is characterized in that, utilizes this GPS almanac data to finish localization step and comprises:
This navigator is searched HA Global Positioning Satellite with this GPS almanac data;
Receive a satellite positioning signal from HA Global Positioning Satellite; And
This satellite positioning signal is deciphered, to obtain a locator data of this navigator position.
9. the localization method of navigator as claimed in claim 8 is characterized in that, this satellite positioning signal do decoding is comprised this satellite positioning signal is amplified.
10. the localization method of navigator as claimed in claim 8 is characterized in that, this satellite positioning signal is made to decipher the noise that comprises in this satellite positioning signal of filtering.
11. the localization method of navigator as claimed in claim 8 is characterized in that, this satellite positioning signal is the NMEA form.
12. the localization method of navigator as claimed in claim 7 is characterized in that, communication pattern comprise a wireless communication mode and a wire transmission pattern one of them.
13. the localization method of navigator as claimed in claim 12 is characterized in that, this wireless communication mode comprises infrared transmission.
14. the localization method of navigator as claimed in claim 12 is characterized in that, this wireless communication mode comprises wireless radio transmission.
15. the localization method of navigator as claimed in claim 12 is characterized in that, this wireless communication mode comprises Bluetooth transmission.
16. the localization method of navigator as claimed in claim 7, it is characterized in that, with this host computer by network to this GPS almanac data downloaded and store this GPS almanac data and this navigator to download this GPS almanac data by this communication pattern from this host computer be synchronization action.
17. the localization method of navigator as claimed in claim 7, it is characterized in that, with this host computer by network to this GPS almanac data downloaded and store this GPS almanac data and this navigator to download this GPS almanac data by this communication pattern from this host computer be asynchronous behavior.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101223464A CN101153902A (en) | 2006-09-25 | 2006-09-25 | Locating method for navigator |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2006101223464A CN101153902A (en) | 2006-09-25 | 2006-09-25 | Locating method for navigator |
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| CN101153902A true CN101153902A (en) | 2008-04-02 |
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| CNA2006101223464A Pending CN101153902A (en) | 2006-09-25 | 2006-09-25 | Locating method for navigator |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660915B (en) * | 2008-08-29 | 2013-03-20 | 佛山市顺德区顺达电脑厂有限公司 | Positioning signal processing system and method |
| CN103036973A (en) * | 2012-12-13 | 2013-04-10 | 中国航天科工信息技术研究院 | System and method for downloading satellite navigation precise ephemeris |
| CN106772447A (en) * | 2015-11-13 | 2017-05-31 | 鹦鹉无人机股份有限公司 | Almanac data is loaded into unmanned plane |
| CN107147707A (en) * | 2017-04-26 | 2017-09-08 | 大唐终端技术有限公司 | Android platform Big Dipper ephemeris service control method and system |
| CN107229059A (en) * | 2016-03-23 | 2017-10-03 | 卡西欧计算机株式会社 | Position control device, position control method and recording medium |
| CN108897017A (en) * | 2018-07-05 | 2018-11-27 | 格星微电子科技成都有限公司 | A kind of indoor pseudo satellite, pseudolite ephemeris update method based on CS framework |
| CN109270559A (en) * | 2018-08-27 | 2019-01-25 | 出门问问信息科技有限公司 | The method and device that a kind of pair of terminal is positioned |
-
2006
- 2006-09-25 CN CNA2006101223464A patent/CN101153902A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101660915B (en) * | 2008-08-29 | 2013-03-20 | 佛山市顺德区顺达电脑厂有限公司 | Positioning signal processing system and method |
| CN103036973A (en) * | 2012-12-13 | 2013-04-10 | 中国航天科工信息技术研究院 | System and method for downloading satellite navigation precise ephemeris |
| CN106772447A (en) * | 2015-11-13 | 2017-05-31 | 鹦鹉无人机股份有限公司 | Almanac data is loaded into unmanned plane |
| CN107229059A (en) * | 2016-03-23 | 2017-10-03 | 卡西欧计算机株式会社 | Position control device, position control method and recording medium |
| CN107147707A (en) * | 2017-04-26 | 2017-09-08 | 大唐终端技术有限公司 | Android platform Big Dipper ephemeris service control method and system |
| CN108897017A (en) * | 2018-07-05 | 2018-11-27 | 格星微电子科技成都有限公司 | A kind of indoor pseudo satellite, pseudolite ephemeris update method based on CS framework |
| CN109270559A (en) * | 2018-08-27 | 2019-01-25 | 出门问问信息科技有限公司 | The method and device that a kind of pair of terminal is positioned |
| CN109270559B (en) * | 2018-08-27 | 2020-12-11 | 出门问问信息科技有限公司 | Method and device for positioning terminal |
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Application publication date: 20080402 |