CN103763677A - Mobile terminal with terminal-point prompting function - Google Patents
Mobile terminal with terminal-point prompting function Download PDFInfo
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- CN103763677A CN103763677A CN201210049701.5A CN201210049701A CN103763677A CN 103763677 A CN103763677 A CN 103763677A CN 201210049701 A CN201210049701 A CN 201210049701A CN 103763677 A CN103763677 A CN 103763677A
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Abstract
The invention discloses a mobile terminal with a terminal-point prompting function. The mobile terminal includes a control module, at least one prompting device and a ranging or timing global mobile communication positioning module. The control module is connected with the global mobile communication positioning module and the prompting device. After the mobile terminal with the terminal-point prompting function is used, a user can do anything after setting the mobile terminal while getting-off at a target place is not affected.
Description
Technical field
The present invention relates to a kind of positioning indicating mobile terminal, especially a kind of mobile terminal with destination prompting function.
background technology
The vehicles, as bus, subway etc., are present social people's work, the requisite trip mode of living.But passenger may be very strange to road, do not know its position, and a lot of vehicles inaccurately ride public transportation means and have brought very large trouble to passenger because not calling out the stops or calling out the stops.And, the timely vehicles function of calling out the stops, passenger also must notice that calling out the stops of the vehicles just carried out great inconvenience constantly.
For example: when we take public transport, can find that a lot of people are in sleep, may be because tired out or boring etc. reason. but also have people can because sleep do when missing the stop.
The present invention also uses following prior art:
The function of GSM mobile termination location is widely used at present, utilizes this feature, can increase a destination prompting function above mobile terminal.The distance of Offered target place and prompting or time on mobile terminal.When setpoint distance or the time in distance objective place, reached set point, mobile terminal is made and is reminded action.
GSM is entirely by name: Global System for Mobile Communications, Chinese is global system for mobile communications, be commonly called as " Global Link ", it is a kind of European mobile communication technology standard that originates from, it is Generation Mobile Telecommunication System technology, its exploitation object is to allow all parts of the world can jointly use a mobile telephone network standard, allows user use a mobile terminal just can manage it all over the whole world.At present, China Mobile, CHINAUNICOM respectively have a GSM net, are mobile communications network the biggest in the world.Gsm system comprises several frequency ranges such as GSM 900:900MHz, GSM1800:1800MHz and GSM1900:1900MHz.The English of Guanghua School of Management under GSMYe Shi Peking University (Guanghua School of Management) is called for short.
GSM mobile termination locate mode can be divided into mode Network Based and conventionally based on two kinds of terminal modes.The time of advent (TOA) be can be divided into technically, Measuring Time poor (E-OTD) and auxiliary (A-GPS) the 3 kinds of modes of GPS strengthened.
1, TOA location technology
TOA locate mode can realize on existing any mobile terminal, and mobile terminal is without doing any change.
Specific implementation step:
(1) mobile terminal that will locate sends a known signal, and three or receive this signal more than three LMU, known signal is the access burst signal that mobile terminal sends while carrying out asynchronous switching simultaneously;
(2) absolute GPS when each LMU obtains signal arrival, after the time, can obtain relative time poor (RTD);
(3) according to the information of first two steps, SMLC compares between two, calculates the burst time of advent poor (TDOA), draws exact position, and gets back in application.To draw mobile terminal exact position by triangulation calculation, must know the geographical position of two other parameter: LMU and the time offset between each LMU.The absolute GPS time that for example each LMU must provide, or place and can obtain real time poor (RTD) parameter with reference to LMU in the place of known location.LMU determines TOA with access burst signal.When Location Request is sent, LMU is chosen, and configures correct frequency, to receive access burst signal.Now, mobile terminal is upper in Traffic Channel (may in frequency-hopping mode), with certain power, sends and reaches 70 access pulses (duration 320ms).Each LMU is accomplished in several ways and improves the measurement result of TOA.The burst that utilization is received can improve measures the probability of success and certainty of measurement.Adopt diversity technique (as antenna diversity and frequency hopping), can reduce the impact of multipath effect, improve certainty of measurement.When certain application need to be known mobile terminal locations, this application is sent request to SMLC, informs mobile terminal number and positioning accuracy request simultaneously.Measured TOA parameter and error amount thereof are together collected and send to SMLC, and according to these data, SMLC can calculate the needed mobile terminal locations of application, then positional information and error range are sent it back to application.
TOA locate mode needs additional firmware (LMU), to reach the accurate Calculation burst object of the time of advent.Implementation has multiple: LMU both can be integrated in BTS, also can be used as specific installation.LMU during as specific installation, both can have independent antenna, also can share antenna with BTS, by air interface, realized inter-net communication.
2, E-OTD location technology
E-OTD locate mode develops from Measuring Time poor (OTD), and OTD refers to measure the time quantum of gained, and E-OTD refers to the mode of measuring.Mobile terminal just can obtain measurement result without additional any hardware.For Synchronization Network, mobile terminal is measured the relative time of advent of several BTS signals; For non-synchronous network, signal also needs to be received by the LMU of a location aware simultaneously.Determine the signal transmission time of BTS to mobile terminal, can determine the geometric distance between BTS and mobile terminal, and then calculated according to this distance, finally determined the position of mobile terminal.
Performing step is as follows:
1) mobile terminal receives that each base station sends signal, obtains TOA parameter; LMU obtains RTD parameter;
2) mobile terminal is sent to GSM net by TOA and RTD parameter.
3) OTD measure to need the pulse with synchronous, standard and simulation.The frame sending as BTS is not when synchronous, and network need to be measured the RTD between BTS.In order to carry out accurate triangulation, OTD measures and RTD measurement (during asynchronous BTS) all needs 3 BTS.Obtain after OTD parameter, mobile terminal locations both can calculate in network, also can calculate in terminal (requiring mobile terminal to possess various necessary informations).The former is called mobile terminal supplementary mode, and the latter is called mobile terminal from master mode.
Position counting function module by mobile terminal or network, realizes position calculation.
3, A-GPS principle
GPS assist location mode performing step is as follows: GSM net is received GPS supplementary; GSM net sends to mobile terminal by supplementary; Mobile terminal obtains GPS information, calculates and draw self exact position; Mobile terminal sends to GSM net by positional information.
Which has mobile terminal supplementary mode and mobile terminal from two kinds of master modes:
(1) mobile terminal assistant GPS locate mode
This solution is that most of function of traditional gps receiver is transferred on network processing unit and realized.Which needs the equipment such as antenna, RF unit and data processor.GSM net sends a string extremely short supplementary to mobile terminal, comprises time, satellites in view inventory, satellite-signal Doppler parameter and code phase search window.These parameters contribute to built-in GPS module to reduce the gps signal acquisition time.The pseudorange data that auxiliary data is hung oneself and produced after mobile terminal GPS resume module, and sustainable several minutes.Receive after these pseudorange data, corresponding network processing unit or location-server can roughly estimate the position of mobile terminal.GSM net increases after necessary correction, can improve positioning precision.
(2) the autonomous GPS locate mode of mobile terminal
This mobile terminal comprises a Full Featured gps receiver, has all functions of mobile terminal in (1) mode, adds satellite position and mobile terminal locations computing function.When computing starts, the data that need are more than mobile terminal supplementary mode, and these data can continue more than 4 hours or upgrade as required, generally include time, reference position, satellite ephemeris and time check parameter etc.If some application needs higher precision, must continue (the about 30s in interval) and send out differential GPS (DGPS) signal to mobile terminal.DGPS signal is effective at the territorial scope of non-constant width, centered by a parametric receiver, can serve wider territorial scope.Final position information is calculated by mobile terminal itself, and if desired, this locating information can send in other any application.
In view of this, this area inventor, for the problems referred to above, provides a kind of mobile terminal with destination prompting function.
summary of the invention
The object of the invention is to, a kind of mobile terminal with destination prompting function is provided, overcome the difficulty of prior art, when its vehicles that can take user are about to reach home, remind the vehicle information of arriving at a station of using.
The present invention adopts following technical scheme:
The invention provides a kind of mobile terminal with destination prompting function, comprise the global system for mobile telecommunications locating module of a control module, at least one alert device and a range finding or timing; Described control module connects respectively described global system for mobile telecommunications locating module and described alert device.
Preferably, described global system for mobile telecommunications locating module is a kind of in network mode locating module or terminal mode locating module.
Preferably, described global system for mobile telecommunications locating module be the time of advent mode locate, strengthen the poor mode of Measuring Time is located and GPS supplementary mode location in a kind of.
Preferably, also comprise that one has the holder of map.
Preferably, described alert device is mobile terminal loudspeaker.
Preferably, described alert device is mobile terminal motor.
Owing to having adopted above-mentioned technology, use after the mobile terminal with destination prompting function of the present invention, user can be after setting mobile terminal, and doing anything can not affect objective and get off.
Below in conjunction with drawings and Examples, further illustrate the present invention.
accompanying drawing explanation
Fig. 1 is the link block figure of the mobile terminal with destination prompting function of the present invention;
Fig. 2 is the using method flow chart of the mobile terminal with destination prompting function in embodiment.
embodiment
Below by Fig. 1 to 2, introduce a kind of specific embodiment of the present invention.
As shown in Figure 1, a kind of mobile terminal with destination prompting function of the present invention, comprises that a control module, at least one alert device, have the holder of map and the global system for mobile telecommunications locating module of a range finding or timing; Described control module connects respectively described global system for mobile telecommunications locating module and described alert device.Described global system for mobile telecommunications locating module is a kind of in network mode locating module or terminal mode locating module.Described global system for mobile telecommunications locating module be the time of advent mode locate, strengthen the poor mode of Measuring Time is located and GPS supplementary mode location in a kind of.Described alert device is mobile terminal loudspeaker or mobile terminal motor.
As shown in Figure 2, the using method of the mobile terminal with destination prompting function of the present invention, comprises the following steps
(1) open the embedded map of mobile terminal;
(2) Offered target place;
(3) prompting threshold values is set;
(4) judge the whether satisfied threshold values of reminding of movement of mobile terminal Real-Time Monitoring mobile terminal, if so, perform step (5);
(5) alert device is reminded action.
Wherein, described prompting threshold values comprises to be reminded distance or reminder time, and described prompting distance is the distance apart from terminal, and described reminder time is the time apart from terminal.The average speed that described prompting distance or reminder time calculate by distance and GPS is obtained.
The specific embodiment of the present invention is as follows:
User opens the embedded map of mobile terminal.Offered target place.Prompting threshold values is set, if the distance of setpoint distance terminal is for reminding the time of threshold values or setpoint distance terminal for reminding threshold values.Whether the movement that judges mobile terminal Real-Time Monitoring mobile terminal meets prompting threshold values, and when meeting, while reaching home, alert device is reminded action, and mobile terminal loudspeaker are sounded, and the motor of mobile terminal starts vibration, reminds user to arrive at a station.
In summary, owing to having adopted above-mentioned technology, use after the mobile terminal with destination prompting function of the present invention, user can be after setting mobile terminal, and doing anything can not affect objective and get off.
Above-described embodiment is only for illustrating technological thought of the present invention and feature, its object is to make those skilled in the art can understand content of the present invention and implement according to this, can not only with the present embodiment, limit the scope of the claims of the present invention, be all equal variation or modifications of doing according to disclosed spirit, still drop in the scope of the claims of the present invention.
Claims (6)
1. with a mobile terminal for destination prompting function, it is characterized in that: the global system for mobile telecommunications locating module that comprises a control module, at least one alert device and a range finding or timing; Described control module connects respectively described global system for mobile telecommunications locating module and described alert device.
2. the mobile terminal with destination prompting function as claimed in claim 1, is characterized in that: described global system for mobile telecommunications locating module is a kind of in network mode locating module or terminal mode locating module.
3. the mobile terminal with destination prompting function as claimed in claim 1, is characterized in that: described global system for mobile telecommunications locating module be the time of advent mode locate, strengthen the poor mode of Measuring Time is located and GPS supplementary mode location in a kind of.
4. the mobile terminal with destination prompting function as described in any one in claims 1 to 3, is characterized in that: also comprise that one has the holder of map.
5. the mobile terminal with destination prompting function as claimed in claim 4, is characterized in that: described alert device is mobile terminal loudspeaker.
6. the mobile terminal with destination prompting function as claimed in claim 4, is characterized in that: described alert device is mobile terminal motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210049701.5A CN103763677A (en) | 2012-02-29 | 2012-02-29 | Mobile terminal with terminal-point prompting function |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201210049701.5A CN103763677A (en) | 2012-02-29 | 2012-02-29 | Mobile terminal with terminal-point prompting function |
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| CN103763677A true CN103763677A (en) | 2014-04-30 |
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| CN201210049701.5A Pending CN103763677A (en) | 2012-02-29 | 2012-02-29 | Mobile terminal with terminal-point prompting function |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877167A (en) * | 2018-08-28 | 2018-11-23 | 深圳市有钱科技有限公司 | Arrival of subway reminding method, storage medium and computer equipment |
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- 2012-02-29 CN CN201210049701.5A patent/CN103763677A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108877167A (en) * | 2018-08-28 | 2018-11-23 | 深圳市有钱科技有限公司 | Arrival of subway reminding method, storage medium and computer equipment |
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Application publication date: 20140430 |