CN101782398A - Map information updating device and method - Google Patents
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- CN101782398A CN101782398A CN200910036860A CN200910036860A CN101782398A CN 101782398 A CN101782398 A CN 101782398A CN 200910036860 A CN200910036860 A CN 200910036860A CN 200910036860 A CN200910036860 A CN 200910036860A CN 101782398 A CN101782398 A CN 101782398A
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Abstract
The invention provides map information updating device and method. The map information updating device is mainly used for simultaneously receiving signals, such as positioning signals and global position system (GPS) signals of mobile communication system signals or wireless network system signals, and then judging whether the GPS signals are converted to coordinate information, if the GPS signals are not converted to the coordinate information, the positioning signals are converted to the coordinate information and are updated to map data, and if the GPS signals are converted to the coordinate information, the coordinate information of the GPS signals is updated to the map data. The map information updating device and method can solve the problem that the general GPS positioning device is inconvenient for users to use due to low positioning and calculating speed and unstable signal reception.
Description
Technical field
The present invention is about a kind of map information updating device and method, more detailed it, a kind of map information updating device of applying GPS location technology and method.
Background technology
(Global Positioning System, GPS) available application is quite extensive, as aspects such as resource exploration and detection, navigator fix, geodetic surveying, drawing, position dynamic information, accurate timings for GPS.What general user used always is the function of position dynamic information, utilize gps signal receiver collocation map data base to calculate, can show the user position immediately, this also is the function mode that general map information updating system (as the GPS navigation device) is adopted.Yet the GPS technology that present map information updating system is adopted has following shortcoming:
(1) GPS navigation is installed on when opening, and the beginning of need waiting for a period of time can normal operation.During general on the market GPS navigation device start, after the time chien shih GPS navigation device that must wait for tens of seconds to several minutes receives gps signal and coordinates computed, just can demonstrate the cartographic information of renewal.Yet such satellite-signal receiving course can cause not convenient in the use.
(2) gps signal receives and is difficult for, and can interrupt the continuous updating of cartographic information.It is relatively poor that gps signal penetrates the ability of veil, therefore in buildings, in the tunnel, all can't receive gps signal under the overline bridge, even bad when weather, also be difficult to receive gps signal when overcasting.So lastest imformation that causes map information updating system to continue.
(3) very power consumption of GPS navigation device, the stand-by time of reduction hand-held device.To between the 100mA, lasting unlatching map information update function will make in conjunction with the stand-by time decline of the hand-held device (as mobile phone or PDA) of GPS navigation function, lower its practicality greatly the working current of GPS device about 10mA at present.
In sum, how to provide a kind of more convenient, map data update system and method that usefulness is better, become problem to be solved at present then.
Summary of the invention
In view of the above problems, the present invention's purpose is to provide a kind of map information updating device and method, not good so that can't obtain the problem of map datum fast in order to avoid occurring because of gps signal intensity, and make the electronic equipment that positions processing with gps signal can when gps signal is not good, still constantly not receive gps signal and cause the problem of power consumption.
In order to achieve the above object, the invention provides a kind of map information updating device and method, this map information updating device is applied to have in the electronic equipment of positioning function, and this map information updating device comprises: map data base, in order to the storage place diagram data; At least one positioning signal receiver module is in order to receive positioning signal; The gps signal receiver module is in order to receive gps signal; The coordinate Calculation module is in order to calculate this positioning signal and/or this gps signal to the coordinate in should map datum; The map update module is in order to upgrade the coordinate of this positioning signal or the coordinate of gps signal in this map datum; And mode switch module, keep state and/or coordinate update mode according to the electric power of gps signal accepting state, positioning signal accepting state, this electronic equipment and send trigger pip and give the more new model that this map updating module is switched map datum.
The present invention's map information update method, may further comprise the steps: judge in (1) one schedule time that whether the gps signal that is received is converted to coordinate information, when being converted to coordinate information, then proceeds to step (5), when not being converted to coordinate information, then proceed to step (2); (2) suspend the reception gps signal, and switch to this positioning signal of reception; (3) this positioning signal is converted to coordinate information and upgrades in this map datum; (4) judge whether to start the reception of gps signal, when starting, then return step (1), when not starting, then return step (3); And (5) upgrade the coordinate information of this gps signal in this map datum, returns step (1).
Compared to prior art, the present invention's map information updating device and method have solved the shortcoming of known GPS navigation device.The present invention's map information updating device mainly utilizes at least a positioning signal receiving trap to operate in conjunction with the GPS navigation device.Just to start shooting, can't receive gps signal or gps signal intensity at the GPS navigation device when too weak, the coordinate that order obtains this positioning signal receiver module by the present invention's map information updating device upgrades in cartographic information, allows the user therefore not lose the ageing of the information of consulting a map.As user only easily during cartographic information, can close GPS navigation device than power consumption, only see through this positioning signal receiver module received signal, converted coordinate and upgrade cartographic information.Therefore, adopt the present invention's map information updating device and method to promote convenience and the real-time that the user inquires about cartographic information greatly, solved the problem of the not convenient and power consumption of background technology.
Description of drawings
Fig. 1 is the basic framework synoptic diagram of the present invention's map information updating device;
Fig. 2 in order to the map information updating device that shows the present invention be applied to mobile phone the basic framework synoptic diagram;
Fig. 3 is disposed at the signal accepting state synoptic diagram of the portable vehicles in order to the mobile phone of displayed map 2;
Fig. 4 is the schematic flow sheet of the present invention's map information update method; And
Fig. 5 is the schematic flow sheet of one of the present invention's map information update method specific embodiment.
Embodiment
Below by particular specific embodiment explanation the present invention's embodiment, appearance was understood the present invention's other advantage and effect easily within the personage who is familiar with this technology can be disclosed by this instructions.The present invention also can be implemented or be used by other different specific embodiment.
See also Fig. 1, it is the basic framework synoptic diagram of the present invention's map information updating device.As shown in the figure, the present invention's map information updating device 1 is applied to have in the electronic equipment of positioning function, this electronic equipment is mobile phone, PDA(Personal Digital Assistant) or guider etc. for example, and this map information updating device 1 comprises map data base 10, positioning signal receiver module 11, gps signal receiver module 12, coordinate Calculation module 13, map update module 14 and mode switch module 15.
Map data base 10 is in order to the storage place diagram data, and it is stored in the Storage Media.The map datum of storage in the map data base 10 is a kind of data that show geography information such as the road in the specific region, buildings, landform, landforms.See through map datum and can understand the geography information of specific region, and in the present invention, the position that map datum is pointed out this electronic equipment in order to auxiliary coordinate data.
Positioning signal receiver module 11 is in order to receive positioning signal.So-called positioning signal refers to determine the information of the device position of received signal.For example, GPS (GPS) signal that satellite sent is a kind of positioning signal, another as the signal that sends in its range region of wireless communication base station, also can be used as a kind of positioning signal.The website of WLAN (Access Point) for example again, the signal that its working range is sent also is a kind of positioning signal.The positioning signal receiver module 11 received positioning signals of present embodiment do not comprise gps signal.For example positioning signal can be mobile communcations system signal and/or Radio Network System signal.
Gps signal receiver module 12 is in order to receive gps signal.Because therefore the continual transmission gps signal of gps satellite meeting as long as gps signal receiver module 12 is in opening, can receive the positioning signal that satellite transmits at any time.Coordinate Calculation module 13 is in order to calculate above-mentioned positioning signal and/or gps signal to the coordinate in should map datum.Because this electronic equipment with positioning function must be located with coordinate, therefore must see through coordinate Calculation module 13 received positioning signal and gps signal are converted to coordinate.The common practice is the coordinate database of organizational system one cover positioning signal, and when coordinate Calculation module 13 obtained the certain position signal, the coordinate database of comparison foundation in advance was to find out coordinate that should positioning signal.
Map update module 14 is in order to upgrade the coordinate of positioning signal or the coordinate of gps signal in map datum.Therefore constantly earthquake needs map update module 14 that up-to-date coordinate is upgraded in existing map datum because coordinate has the moving of electronic equipment of positioning function along with this.
Mode switch module 15 keeps state according to gps signal accepting state, positioning signal accepting state, electric power and/or map datum state transmission trigger pip is given this map update module 14 in order to switch the more new model of map datum.Mode switch module 15 has considerable function in the present invention's map information updating device 1, mode switch module 15 must be carried out the more switching of new model of map according to different states, allows the present invention's map data update apparatus more take into account electricity-saving function under the news continuing to keep map.
Moreover this mode switch module 15 judges whether to send gps signal coordinate lastest imformation or positioning signal coordinate lastest imformation according to external input signal.This external input signal sees through the received startup of this electronic equipment or closes the request that gps signal receives, for example the user sees through and to push the button of being located on this electronic equipment and produce this startup or turn-off request, or produces this by electronic equipment detecting gps signal power and start or turn-off request.
Above-mentioned trigger pip can comprise gps signal coordinate lastest imformation, with so that this map update module 14 the gps signal coordinate is upgraded in this map datum, and positioning signal coordinate lastest imformation, with so that this map update module 14 the positioning signal coordinate is upgraded in this map datum.
When the present invention specifically implements, at first in map data base 10, store the map datum of particular locality, then utilize gps signal receiver module 12 to receive gps signal.Under normal condition, coordinate Calculation module 13 will receive gps signal and be converted to coordinate, be upgraded in map datum by the coordinate of map update module 14 with gps signal again.So the user can see through this map information updating device present position of understanding in real time.Above-mentioned flow process is similarly the function mode of known GPS locating device.
Yet under more special situation, gps signal intensity easily is masked and disturbs, and therefore the effect of location also is affected naturally, for example weather condition is not good, when overcasting, gps signal can't penetrate thick cloud layer, and gps signal receiver module 12 may can not receive gps signal.For example the user is positioned under the overpass again, and the both sides also is difficult for receiving gps signal when all buildings being arranged.When gps signal receiver module 12 does not receive gps signal or gps signal intensity when too low, just can't in real time up-to-date coordinate be upgraded in map datum, therefore cause the user to perplex greatly.And occur can sending trigger pip immediately and giving this map update module 14 in order to switch the more new model of map datum when unusual when the present invention's mode switch module 15 detecting gps signal accepting states.Because the positioning signal of positioning signal receiver module 11 sustainable reception particular types, can be in real time when map update module 14 is received trigger pip the coordinate of positioning signal be upgraded in map datum, so the present invention's map information updating device can't stop to upgrade coordinate because not receiving gps signal.Only the resolution of coordinate system determines according to the kind of this positioning signal.
In a specific embodiment, because the speed that gps signal receiver module 12 starts is slower, so the user must wait for several minutes when just having opened general GPS locating device and just can finish the renewal of coordinate for the first time.The coordinate that the present invention's map information updating device the time can be introduced into positioning signal in start is new model (resolution is lower usually) more, when treating that gps signal receiver module 12 can be started working, the coordinate that switches back gps signal again is new model more, for example when the intensity of this gps signal receiver module 12 gps signal that receives during greater than a special value, this mode switch module 233 sends this gps signal coordinate lastest imformation and gives this map update module 232, and the coordinate of the gps signal that foundation is received upgrades this map datum.Therefore the sustainable execution positioning function of this electronic equipment and can not interrupting.
In a preferred embodiment, because gps signal receiver module 12 is than power consumption, so when the electric weight of the present invention's map information updating device is lower than certain particular value or switches to battery saving mode, mode switch module 15 can send positioning signal coordinate lastest imformations give map update module 14, makes map update module 14 carry out map data update with the coordinate of positioning signal.Its benefit is the standby and the service time that can prolong this electronic equipment, and this electronic equipment can continue to provide positioning function.
In another preferred embodiment, the user can be made as the present invention's map information updating device the more new model of preferential this positioning signal coordinate of execution.For example on suburb or mountain, the density of buildings or road is lower, and the user can carry out map data update for utilizing the positioning signal coordinate with mode initialization for reducing the power consumption of map information updating device.Yet if special circumstances take place, for example cause positioning signal transmitting terminal plant failure because of earthquake, make device not receive positioning signal or received signal intensity when too low, mode switch module 15 can send gps signal coordinate lastest imformation gives map update module 14 to switch to more new model (because the gps signal transmitting terminal is a satellite, not being subjected to earthquake effect) of gps coordinate.
In another preferred embodiment, mode switch module 15 data mode is according to the map done the more switching of new model of coordinate again.For example the user must drive through A ground, B ground and C ground, and A ground be suburb, B ground is that mountain area, C ground are the city.Based on the consideration of location efficiency, be set at A and utilize gps signal to locate, therefore B ground set the GSM base station signal and located because scarcely populated, and C ground is populous and be covered with the Hot spot of WLAN, utilizes the WLAN signal to locate so be set at.As user during in A ground, the map datum displaing coordinate is A ground, so start the gps signal station-keeping mode.As user during in A ground, the map datum displaing coordinate is B ground, thus mode switch module 15 send GSM signal update information to map update module 14 to switch to more new model of GSM coordinate.Same, when entering C ground, mode switch module 15 transmission WLAN signal update information to map update module 14 to switch to more new model of WLAN coordinate.
See also Fig. 2, in order to the map information updating device 23 that shows present embodiment be applied to a mobile phone 2 the basic framework synoptic diagram.This mobile phone 2 comprises display screen 20, in order to receive positioning signal receiver module 21, gps signal receiver module 22, map data base 230, coordinate Calculation module 231, map update module 232 and the mode switch module 233 of GSM signal.
During concrete enforcement, positioning signal receiver module 21 must continue to receive the signal from GSM base station 25 in order to carry out the transmitting-receiving words function of mobile phone.And GSM signal receiving module 22 can receive the signal by gps satellite 24 transmissions, see through coordinate Calculation module 231 and be converted to map reference, and in this map data base 230, take out corresponding map datum by this map update module 232 according to this map reference, and this map datum is shown on the screen 20.
The mobile phone 2 of present embodiment sees through the localization method that mode switch module 233 realizes a kind of gradual map information update.Usually the user opens map software when consulting a map, map software can see through that positioning signal receiver module 21 receives gps signals and calculate through coordinate Calculation module 231 after just can obtain coordinate and utilize map update module 232 to upgrade coordinate information.Yet the process that this coordinate upgrades depends on that gps signal power, gps signal are converted to the speed of coordinate and the mobile phone speed in advancing and decide, usually must time-consuming several minutes, therefore forfeiture consult a map ageing.This moment, mode switch module 233 can notice map update module 232 adopt the coordinate of GSM signal to upgrade cartographic information when gps signal is not converted to coordinate information as yet.Because gps signal is oriented the tens of approximately meters of the scope of coordinate, and the range of signal approximate number hectometer that the GSM base station is sent, so the coordinate of GSM signal is lower than the resolution of gps signal on map in the resolution on the map.Therefore, so-called gradual cartographic information refers to when gps signal is not converted to coordinate information as yet, map information updating device of the present invention adopts the relatively poor GSM signal coordinates of resolution, but when treating the normal operation of gps signal receiving function, switches to the higher gps signal coordinate model of resolution again.
In a preferred embodiment, consider that based on electric power when the battery reserves of mobile phone 2 dropped to a certain degree, in order to keep the lasting running of mobile phone, mode switch module 233 can notify map update module 232 to switch to more new model of GSM signal coordinates.Therefore the user still can real time inspection cartographic information (but resolution is relatively poor), also can be by closing that gps signal receives and the function of signal Processing increase the ability of the lasting navigation of these mobile phone 2 electric power.
See also Fig. 3, be disposed at the signal accepting state of the portable vehicles 32 in order to show mobile phone shown in Figure 22.
As shown in the figure, the covering scope of GSM base station is bigger, and for instance, coordinate 310a is all represented in any point in the 31a covering scope of GSM base station, and coordinate 310b is all represented in same any point in the 31b covering scope of GSM base station.The gps coordinate number that can find to show in the same area is greater than the GSM number of coordinates, because the covering scope approximate number hectometer of GSM base station, and the resolution of gps coordinate can reach tens of meters, and therefore if use the GSM coordinate to come updating map data, its level of detail is clear not as gps coordinate.
But can store the map datum of the vehicles 32 coverage areas in this map data base 230, the positioning signal receiver module 21 and the gps signal receiver module 22 that see through in order to receive the GSM signal receive positioning signal, is coordinate with coordinate Calculation module 231 with conversion of signals, the last position of upgrading and show the vehicles 32 again with map update module 232 on the display screen 20 of mobile phone makes the driver can grasp the geographic position at place in real time.
In a preferred embodiment, mode switch module 233 can be kept state and map data update state according to the electric power of gps signal accepting state, GSM signal accepting state, mobile phone and send trigger pip and give this map update module 232 in order to switch the more new model of map datum.In other words, mode switch module 233 can be selected to position or position with the GSM signal with gps signal according to default criterion, promotes convenience and real-time that the user inquires about cartographic information greatly.
See also Fig. 4, the process flow diagram of the present invention's map information update method, its step is described in detail as follows.
In step S40, judge in the schedule time whether the gps signal that electronic equipment received with positioning function has been converted to coordinate information, if, then proceed to step S44, if not, then proceed to step S41.
In step S41, suspend the reception of gps signal, and switch to and receive for example positioning signal of mobile communcations system signal or Radio Network System signal etc., then proceed to step S42.
In step S42, this positioning signal is converted to coordinate information and upgrades in map datum, then proceed to step S43.
In step S43, judge whether this electronic equipment receives the request that starts the gps signal reception, if, then return step S40, if not, then return step S42.This startup request can see through to push the button be located on this electronic equipment or judge the intensity that receives gps signal by this electronic equipment and produce during greater than a special value, in other words, can produce this startup request by this electronic device exterior input mode according to user's demand, or produce this startup request by electronic equipment detecting gps signal power.
In step S44, the coordinate of gps signal is upgraded in map datum, then return step S40.
In preferred embodiment, the mode of above-mentioned this map datum of renewal can be upgraded in this map datum according to the coordinate information of a special time cycle with this gps signal or this positioning signal.For example upgraded once, to save system resource every 5 seconds or 10 seconds.
What this further specified be, the schedule time of abovementioned steps S40 can be made as 2 seconds or 5 seconds etc., the purpose that this schedule time is provided with is, when just having started shooting owing to electronic equipment with positioning function, and can't receive the satellite-signal that enough is made for localization process immediately, therefore, this electronic equipment in when start can be earlier with mobile communcations system signal or Radio Network System signal as positioning signal, or this electronic equipment is when being in the environment that can't receive gps signal, judgement and processing by abovementioned steps, can avoid to obtain the problem of map datum fast, can not get rid of simultaneously in that gps signal is good and but still constantly receive gps signal and cause the problem of power consumption because of the not good user of allowing of gps signal intensity waits for localization process.
In gradual map update mode, when in order to carry out the firm start of functional module that gps signal receives and handle need the time with the acquisition signal and be converted to coordinate data, usually need to wait for tens of seconds to several minutes, therefore the present invention's map information update method can continue to judge whether gps signal has been converted to coordinate information, if not, then earlier come updating map data with the positioning signal (as GSM or GPRS signal) of other kind, only resolution is relatively poor.But treat to switch to more new model of gps coordinate again when carrying out the functional module regular event that gps signal receives or handle, therefore finish whole gradual map refresh routine.
See also Fig. 5, the process flow diagram of one of map information update method of the present invention specific embodiment, its step is described in detail as follows.
In step S50, judge that the functional module that receives or handle in order to the execution gps signal whether in open mode, if not, then proceeds to step S53, if be in open mode, then proceed to step S51.
In step S51, judge whether the gps signal that is received is converted to coordinate information, if not, then proceeds to step S53, if be converted to coordinate information, then proceeds to step S52.
In step S52, the coordinate information of this gps signal is upgraded in this map datum, then return step S51.
In step S53, receive different types of positioning signal, then return step S51.
In step S54, should a plurality of positioning signals be converted to a plurality of coordinate informations and select this highest coordinate information of resolution to upgrade in this map datum.
In battery saving mode, when the electric power of the electronic equipment with positioning function drops to a certain numerical value, the mode switch module that sees through the present invention's map updating device sends trigger pip and gives the map update module and gps coordinate is upgraded mode switch be the elements of a fix of other kind new model more, and persistent surveillance has not regular event in order to the functional module of carrying out the gps signal reception or handle, in case this GPS functional module normally during received signal, switches to more new model of gps coordinate again.So can save the power consumption of electronic equipment, improve stand-by time with positioning function.
In preferred embodiment, the present invention's map information updating device can receive a plurality of positioning signals, as GSM base station signal and WLAN base station signal, and selects this highest coordinate information of resolution to upgrade in this map datum.And the resolution sizes of coordinate information depends on base station location, base station density, number of users and/or base station covering scope.Make comparisons with GSM base station and WLAN base station, because the covering scope of WLAN base station is little, so the quantity of base station is more, so the WLAN coordinate resolution can be than GSM coordinate height.
In another preferred embodiment, the present invention's map information updating device can be set in different zones and the map that switches to difference new model more.
Therefore, the present invention's map information updating device and method can provide the user a kind of according to the automatically switch location mechanism of coordinate setting pattern of gps signal reception situation as can be known by the explanation of the foregoing description, see through this coordinate setting and map information update method and can strengthen inquiring about the convenience and the real-time of cartographic information, and solved the problem of the not convenient and electronic equipment power consumption that positions with gps signal in the known techniques use.
See through aforementioned the present invention's map information updating device and method, can realize following effect.
(1) real-time of reinforcement inquiry cartographic information.By the auxiliary renewal of other positioning signal coordinate, can solve gps signal and easily receive the problem that makes that positioning function lost efficacy of disturbing.
(2) improve the convenience that locating device uses.In opening the GPS locating module, when waiting signal receives with coordinate Calculation, can switch to the more new model of other positioning signal coordinate, make the use of locating device more convenient.
(3) tool electricity-saving function.In the suburb or need not be pinpoint the zone use other kind carry out map data update to replace the GPS module than the positioning signal module of power saving.
The foregoing description only is illustrative the present invention's principle and effect thereof, but not is used to limit the present invention.Any have the knack of this technology per capita can be under the present invention's spirit and category, the foregoing description is modified and is changed.
Claims (7)
1. map information updating device, the electronic equipment that is applied to have positioning function is characterized in that, this map information updating device comprises:
Map data base is in order to the storage place diagram data;
At least one positioning signal receiver module is in order to receive positioning signal;
The gps signal receiver module is in order to receive gps signal;
The coordinate Calculation module is in order to calculate this positioning signal and/or this gps signal to the coordinate in should map datum;
The map update module is in order to upgrade the coordinate of this positioning signal or the coordinate of gps signal in this map datum; And
Mode switch module is kept state and/or map datum state according to the electric power of gps signal accepting state, positioning signal accepting state, this electronic equipment and is sent trigger pip and give this map update module, to switch the more new model of map datum.
2. map information updating device according to claim 1, it is characterized in that, this positioning signal is mobile communcations system signal and/or Radio Network System signal, this coordinate Calculation module according to the base station in mobile communcations system signal numbering determine the coordinate of mobile communication system base station in this map datum of correspondence.
3. map information updating device according to claim 1 is characterized in that, this trigger pip comprises:
Gps signal coordinate lastest imformation, with so that this map update module the gps signal coordinate is upgraded in this map datum; And
Positioning signal coordinate lastest imformation, with so that this map update module the positioning signal coordinate is upgraded in this map datum;
The intensity that can't receive the gps signal or the gps signal that receives when this gps signal receiver module is during less than a special value, and this mode switch module sends this positioning signal coordinate lastest imformation and gives this map update module;
The intensity that can't receive the positioning signal or the positioning signal that receives when this positioning signal receiver module is during less than a special value, and this mode switch module sends this gps signal coordinate lastest imformation and gives this map update module;
The power shortage of this electronic equipment or when switching to battery saving mode, this mode switch module sends positioning signal coordinate lastest imformation and gives this map update module;
When the intensity of this gps signal gps signal that receiver module receives during greater than a special value, this mode switch module sends this gps signal coordinate lastest imformation and gives this map update module;
This mode switch module judges whether to send gps signal coordinate lastest imformation or positioning signal coordinate lastest imformation according to external input signal.
4. map information update method is applied to it is characterized in that this method may further comprise the steps in the described system of claim 1:
Judge in step 1. schedule time whether the gps signal that is received is converted to coordinate information, when being converted to coordinate information, then proceeds to step 5, when not being converted to coordinate information, then proceeds to step 2;
Step 2. is suspended the reception gps signal, and switches to this positioning signal of reception;
This positioning signal that step 3. will receive is converted to coordinate information and upgrades in this map datum;
Step 4. judges whether to start the reception of gps signal, when starting, then returns step 1, when not starting, then returns step 3; And
Step 5. upgrades the coordinate information of this gps signal in this map datum, returns step 1.
5. map information update method according to claim 4, it is characterized in that, this positioning signal is mobile communcations system signal and/or Radio Network System signal, this mobile communcations system signal comprises the base station numbering of mobile communication system base station, with this mobile communcations system conversion of signals is in the step of coordinate information, the base station that the received numbering and the location database of base station are compared to obtain coordinate information that should the base station, step 3 also comprises the positioning signal that receives variety classes and should a plurality of positioning signals be converted to a plurality of coordinate informations and select this highest coordinate information of resolution to upgrade in this map datum, and the resolution sizes of the coordinate information of this base station depends on base station location, base station density, number of users and/or base station covering scope.
6. map information update method according to claim 4, it is characterized in that, upgrade in the step of this map datum, change according to this electronic equipment position is upgraded the coordinate information of this gps signal or this positioning signal in this map datum constantly, upgrades in this map datum according to the coordinate information of a special time cycle with this gps signal or this positioning signal.
7. map information update method according to claim 4 is characterized in that, step 1 comprises also whether the intensity of judging this gps signal surpasses a particular value, in surpassing this particular value, then proceeds to step 5, and does not surpass this particular value, then proceeds to step 2.
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| CN108663700A (en) * | 2018-08-10 | 2018-10-16 | 吉利汽车研究院（宁波）有限公司 | A kind of GPS signal loses processing system and method |
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| CN110398912A (en) * | 2018-04-25 | 2019-11-01 | 北京四维图新科技股份有限公司 | A kind of fault monitoring system of electronic map field data acquisition equipment |
| CN109073399A (en) * | 2018-07-20 | 2018-12-21 | 深圳前海达闼云端智能科技有限公司 | Map updating method, device, terminal and computer readable storage medium |
| WO2020014940A1 (en) * | 2018-07-20 | 2020-01-23 | 深圳前海达闼云端智能科技有限公司 | Method and device for updating map, terminal, and computer readable storage medium |
| CN109073399B (en) * | 2018-07-20 | 2020-07-03 | 深圳前海达闼云端智能科技有限公司 | Map updating method, device, terminal and computer readable storage medium |
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| CN113167589A (en) * | 2018-12-11 | 2021-07-23 | 第二桥梁公司 | Fixed electronic beacon with map |
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