[mobile phone GPS positioning] Base station positioning and GPS positioning which are the best and disadvantages of the two mobile phone GPS positioning methods.

There are two types of positioning technology, one is a positioning based on GPS, and the other is the positioning of the base station based on the mobile operation network.The GPS -based positioning method uses the GPS positioning module on the mobile phone to send its own position signal to the positioning background to achieve mobile phone positioning.The base station positioning uses the calculation distance of the base station's distance to determine the location of the mobile phone.The latter does not require the mobile phone to have GPS positioning capabilities, but the accuracy depends to a large extent on the distribution and coverage of the base station, and sometimes the error will exceed one kilometer.The former has high positioning accuracy, but the GPS satellite signal penetration is weak, so it cannot be used indoors and consumes high power consumption.In addition, there is a way to use WIFI to locate in a small area.

1. GPS positioning:

Advantages: high positioning accuracy; free interface can be called at any time; global positioning.

Disadvantages: Applying mobile phone traffic and GPS functions in mobile phones, which consumes more power; the signal can penetrate poorly, and the thickness of the cloud layer has an impact on the signal; the indoor cannot be located.

Positioning method: The positioning request is initiated by the GPS terminal, and the initiative is in the terminal.The terminal does not want to ask for positioning that is to uninstall the system pre -installed or close the GPS to terminate.GPS is positioned as a request request, and the server cannot actively locate the position of a terminal.

Application environment: car navigation, aviation, shipping, website Business Services, etc.

Product Case: Kailid's vehicle navigation system

2. Base station positioning

Advantages: high positioning rate; no software; no traffic; no environmental environment can be located.

Disadvantages: The positioning accuracy is low, and the positioning of high -level office positioning is poor. The positioning depends on the mobile phone SIM card.

Positioning method: The terminal cannot actively locate. The terminal device only requires a SIM card. It does not need to make any settings. The server has positioning control power to accurately position the location information of a certain terminal device at any time.Since the positioning of the base station is lost to the ground positioning, the positioning accuracy depends on the signal tower, and the high -level office will affect the signal.The positioning of the base station has the characteristics of compulsory positioning. It needs to be opened by the operator's authorization and the positioning of its port docking and usage positioning. At present, it is only authorized by enterprises and institutions.

Application environment: supervision of corporate personnel, Outdoor emergency rescue, logistics

Product Case: Enterprise Effect Mobile Positioning System

There are certain restrictions on the use of positioning technology alone. The combination of mutual combination to supplement each other's deficiencies can achieve better results. GPS is relatively well known to the public.Positioning.Different from industry characteristics and application scenarios, the positioning of base stations plays a very important use in practical applications.

The communication operation high will provide corresponding location services. Each of the three major communications operators across the country has an independent location service package. It mainly solves local needs and requires that the mobile phone number must be unified.

3. The difference between GPS is positioned on mobile phone positioning

GPS positioning, GPS navigation, the application of these GPS has gradually made GPS technology well -known. Many smartphones have new tricks to attract everyone's attention, and mobile phone GPS came into being.The name of the mobile phone GPS is the function of realizing the GPS on the mobile phone. One is GPS navigation and the other is the GPS positioning tracking.GPS and mobile phone positioning are no stranger to many users who use smartphones.

Mobile GPS, which is a GPS positioning navigation function implemented on the mobile platform. With the development of technology, there must be more applications.This is easy to understand that in addition to the basic functions of text messages, calling, taking pictures, MP3 and other basic functions such as mobile phone communication, you can also use your mobile phone to achieve GPS positioning navigation.GPS mobile phones are also mobile phones with navigation functions, so GPS mobile phones can also be called GPS navigation phones or mobile phones with GPS navigation functions.

What is mobile phone positioning

mobile phone positioning refers to the location information (latitude and longitude coordinates) of mobile phones or end users through specific positioning technology, and marked the technology or service of the position of the positioning object on the electronic map.There are two types of positioning technology, one is based onGPS The positioning of the positioning is based on the base station of the mobile operation network.based on GPS The positioning method is to use the mobile phone GPS The positioning module sends its own location signal to the positioning background to achieve mobile phone positioning.The base station positioning uses the calculation distance of the base station's distance to determine the location of the mobile phone.The latter does not need a mobile phone to have GPS Positioning ability, but the accuracy depends to a large extent on the distribution and coverage of the base station, and the error will exceed one kilometer.The former has a higher positioning accuracy.Also use wifi Positioning in a small range.

The principle of mobile phone positioning

mobile phone positioning refers to through the wireless terminal(( cell phone Cure Coordinate with the wireless network to determine the actual location information of the mobile user (( Lepatinity coordinate data, including 3D data Cure ,pass SMS As well as MMS Voice is sent to users or provides some value -added services based on this.Positioning service is also called mobile location service (Location Based Service ,, LBS) , It is the network of telecommunications mobile operators (( like GSM net, CDMA net Cure Get the location information of mobile terminal users (( Latitude coordinates Cure With the support of the electronic map platform, it provides users with a value -added business for corresponding services.

mobile phone positioning is usedGSM The honeycomb technology of the mobile communication network to realize the location information query, GSM The wireless communication network is built from many communities like bee honeycomb. Each community has its own number. You can know the area where the mobile phone is located through the identification number of the mobile phone.At present, the positioning technology of mobile phone communities is still perfect, and the accuracy range in the urban area is roughly 200 About rice, the accuracy range of the suburbs is roughly 1000 rice ~ 2000 With around the rice, with the continuous development of the technology of mobile companies, I believe the accuracy will be further improved to further 50 Within rice.At the same time, the landmark name displayed at the same time is still optimized. As further optimization, the landmark will be more accurate.

Honeycomb positioning technology also belongs to the LBS base position positioning. This positioning method is commonly known as the ground positioning system because it relies on the signal tower distributed by the operator to obtain the latitude and longitude information to determine the position of the terminal.As long as all mobile phone cards are in the activation state, and can normally receive calls, they can be accurately located. Strong positioning capabilities, positioning signals can effectively penetrate the building, basement, and tunnel traffic.Each mobile phone card has the only identification code, just like a phone call, each number is the only point to the fixed mobile phone, the LBS base station positioning can also effectively find a fixed number through this recognition code to find a fixed number numberThe location of the mobile phone is presented to the electronic map. Such positioning technologies are compulsory and are widely used in some regulatory fields.

Features of mobile phone positioning

1 High coverage

On the one hand, the range of coverage is large enough.On the other hand, the scope of coverage includes indoor.Most of the time users use this function in the room, from high -rise buildings and underground facilities must be covered to each corner.According to the scope of the coverage rate, mobile phone positioning can be divided into three types of coverage services: the entire local network, covering some local networks, and providing roaming network services types.In addition to considering the coverage rate, the environmental factors of the network structure and dynamic changes may also make a telecommunications operator unable to guarantee services in local or roaming networks.

2 , Positioning accuracy

mobile phone positioning should provide different accuracy services according to the different user service needs, and can provide users with the right to select accuracy.For example, the United StatesFCC The positioning accuracy launched is 50 The probability within the rice is 67% , Positioning accuracy 150 The probability within the rice is 90% EssenceOn the one hand, the positioning accuracy is related to the positioning technology adopted, and it depends on the external environment of the business, including the radio communication environment, the density and geographical location of the base station, and the equipment used in positioning.

The role of mobile phone positioning

1. Parents position the elderly and children

It is mainly due to the needs of security and care. It is installed on the mobile phone of the elderly and children. Once lost, send a text message to get the specific map location of the elderly and children.

2 , Enterprise Management of Vehicle

GPS The signal is transmitted through satellite, restricted by the cloud layer and obscuration, there will be no signal in cloudy, basement, and tunnels to generate blind spots.Based on sim The positioning technology of the card is what we call the ground positioning -the enterprise effective LBS The positioning of the base station can effectively feedback the location information on the location on the ground. LBS The base station positioning saves the terminal cost, and the existing mobile terminal can be used directly, which saves the entire project cost. LBS Suitable for regulatory positioning requirements, and continuous positioning communication tariffs are relatively high.

3 The management of employees by enterprises

It can provide management for sales companies with multiple branches and work hours of sales staff. ; Mainly use base station positioning, which can be positioned with foreign duty employees to achieve mobile attendance, itinerary management, trajectory inquiry, visit management, etc., improve employee work efficiency, and reduce travel costs.

4 , Make remote decoding

The internal program where the opponent's number is located or fixed -line is bound to his number. After the binding, you can perform unlimited distance monitoring, interception, and positioning function.

What are the ways of mobile phone positioning

1. GPS position

Actually, I do nt need to say, everyone must know, first of allGPS Positioning, in general, the current mobile phone chip is supported GPS The positioning, that is, you don't want to support it, you can't be positioned.

2. WIFI position

Thenwifi Positioning, each wifi There is a unique one mac Address, when the mobile phone is turned on wifi At that time, it starts scanning and collecting surrounding routers wifi Signals, upload their location information to the server to form a huge hot spot position database.

This iswifi position.Although you can close it in theory, some you can't close it, because some software is like checking the household registration, you must support positioning to use.

3 , Base station positioning

There is also a positioning method, that is, the base station positioning, that is, the base station can locate your mobile phone through your mobile phone card.As long as your phone has a signal, others can track your position by checking which base station has contacted your phone.

In simple terms, at present, the approximate way of positioning is these.

How to use Jiaming Positioner

(1) GPS correction

There is no mainland coordinate system in Jiaming GPS. The default of the machine is the WGS84 coordinate system, which needs to be corrected to the coordinate system that matches the topographic map.The specific operation steps are as follows:

1. First set the parameters inside the GPS receiver to "0", that is, DX = 0, DY = 0, DZ = 0, DA = 0, DF = 0, where DX, DY, DZ are the same two coordinates of the same point.The system three -dimensional coordinates value, DA is the two -coordinate system long -axis difference, DF is the difference between the flat rate of the two coordinate systems.

2. Use the GPS receiver to observe the coordinates of the known triangle point, and find their respective differences according to the observation results and the known coordinate values, and take their average value as a correct value of DX, DY, and DZ.

3. The parameters of the receiver DX, DY, and DZ that have been observed are set to the number of corrections that have been obtained, and DA and DF are set to the corresponding difference, that is,

A (84) a (84) -a (54) = DA = -10

(8484) - (5454) = DF = 0.0000005, A (84) A (84)-A (80) = -3 (8484) - (8080) = 0.00000003

4. Observe the known points coordinates on the same triangle point, and add the second new correction to DX, DY, DZ according to the observation results.At this time, use the GPS positioning instrument to observe all the coordinates of all known points for the third correction until the coordinate value of the observation of the GPS receiver is close to the known point coordinates.The average value of the observation value of the point and the known coordinates is the final correction number of DX, DY, and DZ. The above operations generally circulate to the second time to get the ideal correction number.

(2) Parameter settings and specific keys

Press the page turning button to enter the menu screen

Press the up and down keys to the settings

Press the input key to enter the settings

Press the upper and lower keys to the unit

Press the input key to enter the unit menu

Press the input key to enter (position position distance)

Press the input key to enter (position format)

The position format is set to (user grid)

Press the input key to enter the User Grid menu.

(3) No picture use

1. Use road fixed points

It is often used to determine the coordinates of the cave coordinates or other line starting points, turning, and Camping points when determining the coordinates of rock walls or caves.Simple usage, Mark's coordinates are enough.

2. Use route input route

If you can find the route information recorded by a friend you have visited before, enter the GPS to form a line, or (common to return to the original road) to edit the road signs recorded in the previous record into a line.

[Jiaming GarmingPs positioning instrument buy & gt; & gt;]

1. How to deal with the GPS positioner being demolished by the thief

GPS The positioner was removed by the thief: you can pass GPS If you set a mobile alarm, you will automatically send a message to your mobile phone, and directly call the police after receiving the information.Of course, the most important thing is to prevent the car from the car GPS The positioner was demolished by the thief.

GPS The positioner is currently widely used and very common. In the automotive industry, it is an indispensable anti -theft positioning equipment. It plays an important role in vehicle management and vehicle anti -theft. GPS The positioner is a very advanced risk control equipment in some industries, but in specific industries, there is no secret at all, and it is inevitable to be demolished. So how to prevent GPS The demolition of the positioner is a problem that the practitioners have to consider.

So how to preventGPS What about the locator?prevent GPS What are the effective methods of the locator?

1 , Optional anti -demolition type GPS The positioner increases the difficulty of demolition when the equipment is manpicable.

2 2. Select the backup power supply GPS When the positioner is destroyed, it can still be located in a short time when the external power supply is destroyed and alarm information is issued.

3 , installation is as hidden as possible.Installing the device in the place where it is not easy to be discovered in the car.

4 After removal, you can use the track playback function to find the activities of people or vehicles.

5 2. In the case of conditions permit, two can be installed GPS The positioner, the thief took it lightly after removing one, often not to find another one.

two,GPS What should I do if the positioner fails?

(1) The phone has just charged the phone bill, but it still shows why it is offline?

answer:1 After the payment is re -paid, the operator will be twenty four Re -open you within hours sim Stuck GPRS Function, please confirm first GPRS Has it resumed;

2 ,confirm GPRS Have been opened GPRS After that, please restart your phone.

(2) Why is the newly installed equipment displayed in the field?

answer:1. 1. If the vehicle is installed, the "static" state is displayed on the platform, but it is still displayed elsewhere on the map.This is because after the device is installed, the vehicle has been in a static state. When the device is static, it will not transmit to the server GPS (Save traffic considerations).This phenomenon is because the device has not yet passed to the server without the latest positioning data, showing the old positioning data.So I see the old location data.

Solution: Please drive the vehicle out of the empty area for a while. When the vehicle has movement, the latest positioning data is on the server, and you can see the accurate position.Essence

2. If the car is installed on the platform, display "offline" or "not online".This is because the device has not connected to the server, GPS The positioning data was not uploaded to the server, and I saw the old positioning data.

(3) May I ask the base station(LBS) Positioning is always drifting to a fixed place, and the distance is too large. What is the reason?

Answer: The base station positioning is decisive and the base station and the base stationGoogle Whether the maps are the same in synchronization, some new base stations or base stations after moving are on Google There will be drift phenomenon if there is no timely update, only wait Google Regularly update

(4) Why does the data in Running statistics do not match the actual situation?Mileage statistics do not match the actual mileage?

Answer: The operating statistical function on the monitoring platform is based on the location information of the locator uploaded to the monitoring platform.The location information of the positioner may be restricted by factors such as signals, environment, faults.

In other words, if the positioner is offline or unpreplace, and there is no accurate location data, the data Running statistics may have some errors.Therefore, the operation statistics on the monitoring platform can only be used for reference.

(5) After remote oil -breaking, why can the vehicle start?

Answer: After the remote oil is broken, the positioner must be cut off when the following conditions are met:

1 The wiring of the GPS positioner is correct, and the wiring of the wiring diagram of the instruction manual.

2 The positioner is working normally, in the state of "static" or "driving", and the vehicle speed is lower than 20 Below kilometers.

If the positioner is offline, unlocking or vehicle speed is higher than the speed of the vehicle is higher than20 More than kilometers, even if the remote oil -off power is successful, the positioner will not cut off the oil.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;

1. The composition of the GPS map

The GPS map is a brand new geographical information carrier produced by the development of computer technology. The GPS map is born out of the map, presented the map in a digital manner, and can only be used in the computer.GPS maps have the functions of displaying, transmission and analysis. GPS maps can provide better presentations than traditional maps, such as enlarged, reduced, roaming, search, and path planning.

2. The difference between GPS map and traditional paper map

The conventional paper map emphasizes the data carrier, symbolization, and display. It is one of the roots of the development of GPS maps, and the GPS map focuses on analysis. Its expression method is much stronger than traditional maps. It has the following characteristics:

A. Integration of sound, graphic and digital multimedia, combine the intuition of graphics, the accuracy of numbers, the guidance of sound, and intimacy, make full use of the user's various sensory.

B. Inquiry retrieval and analysis function can support two -way retrieval from map graphics to attribute data and attribute data to graphics data.

C. Graphic dynamic changes function, from opening window scaling, browsing reading and other basic functions to the end of the animation function, multi -dimensional animation graphics simulation, etc.

D. With a good user interface, the use of users from the map generation process.

E. The multi -level ratio is converted from each other. It can match the screen content of the screen to perfectly match the current proportion, and automatically use the choice or synthesis of the compatibility of the ratio to the scale.

3. GPSHow is navigation electronic map collected and processed?

There are many collection methods for aviation electronic maps. There are mainly. Through remote sensing satellite pictures, analysis of the road network. In addition, based on the purchase and mapping unit from various places, the accuracy of the map is compared.By parsing through unmanned aircraft aerial pictures to obtain map data, and then from the national basic geographical information center activity related information;

The other is to collect on the spot, using artificial and vehicles for field collection and taking pictures to obtain map information.In these collection methods, there are only third types. The map data obtained on the spot is the most accurate and detailed.At present, there is only Ruitan Wanfang's Taoist Map of Ruitan Fang. In addition, many other companies have started to collect on the spot, but it is already later than Ruitanfang in terms of time.4Year.

Disclaimer: The above method stems from the index of the program system or the sharing of netizens. It is for your reference only and does not represent the research perspective of this website. It proves that it is valid. Please pay attention to the authenticity and authority of the source of the content of the content.Apply to delete & gt; & gt; error correction & gt; & gt;