CN2888779Y

CN2888779Y - GSM mobile phone with GPS

Info

Publication number: CN2888779Y
Application number: CNU2005200613401U
Authority: CN
Inventors: 李荣森; 方荣健; 高鹏程
Original assignee: Hongkong Ke Feng Co Ltd; SHENZHEN RONGJIN SCIENCE AND TECHNOLOGY Co Ltd
Current assignee: Hongkong Ke Feng Co Ltd; SHENZHEN RONGJIN SCIENCE AND TECHNOLOGY Co Ltd
Priority date: 2005-07-06
Filing date: 2005-07-06
Publication date: 2007-04-11
Anticipated expiration: 2015-07-06

Abstract

The utility model relates to a GSM mobile phone with high precision positioning function, comprising a processing module, GSM/GPRS modules connected with said processing module respectively, a display module, a storage module, a voice module and a positioning module which receives positioning information and transmits said positioning information processed by the processing module to the display module to show the positioning information; said positioning module is connected with said processing module. The utility model realizes high precision positioning function by combining a GPRS module with the GSM mobile phone.

Description

GSM mobile handset with global positioning function

Technical field

The utility model relates to a kind of personal hand-held communication terminal, particularly a kind of personal hand-held communication terminal with accurate positioning function.

Background technology

What the position-based service (LBS) that provides for ordinary consumer of China Mobile (CMCC) and value added telecom operator (SP) was at present adopted mostly is location, China Mobile GSM base station, its positioning accuracy is looked the dense degree and the distribution situation of GSM base station, being generally tens meters does not wait to hundreds of rice, and in the open air or the rural area, its position error more can be up to several kilometers.If the more high-precision location-based service of consumer wants, most economical effective method are to adopt GPS (Global Position System) (GPS).

GPS (Global Position System) (GPS) is the of new generation Aerospace Satellite navigation positioning system of the seventies in 20th century by U.S. land, sea, and air joint research and development.Its main purpose is for three big fields, land, sea, air provide navigation Service, and in 20 end of the centurys to civilian exploitation.Its main feature: round-the-clock, the whole world covers, high accuracy.The civilian GPS positioning accuracy of utilizing the C/A sign indicating number to carry out the single-point location can reach 20 meters, for improving positioning accuracy, generally adopt differential GPS (DGPS) technology, set up base station (track station) and carry out GPS observation, utilize known base station accurate coordinates, compare with measured value, revise number thereby draw one, and externally issue.After receiver is received this correction number, compare with self measured value, the most of error of cancellation obtains a position more accurately.Experiment shows, utilizes differential GPS, and positioning accuracy can be brought up to 5 meters.

The utility model content

The purpose of this utility model is to provide a kind of GSM mobile handset with global positioning function, and solving existing mobile phone can't pinpoint problem.

The technical solution of the utility model is, a kind of GSM mobile handset with global positioning function is provided, comprise processing module and the GSM/GPRS module, display module, memory module and the voice module that are connected with described processing module respectively, also comprise receive locating information and described locating information handled via processing module after be sent to the locating module that display module shows locating information, described locating module is connected with described processing module.

In the above-mentioned GSM mobile handset with accurate positioning function, described locating module is the GPS locating module.

In the above-mentioned GSM mobile handset with accurate positioning function, described processing module comprises the speech interface of GSM/GPRS interface, the GPS interface that connects the GPS module that connects the GSM/GPRS module, the display interface that connects display module and connection voice module.

In the above-mentioned GSM mobile handset, also comprise the communication control unit and the GPS control unit that are connected with described GSM/GPRS interface, GPS interface respectively with accurate positioning function.

In the above-mentioned GSM mobile handset, also comprise the application module that is connected with described communication control unit, GPS control unit, display interface and speech interface respectively with accurate positioning function.

In the above-mentioned GSM mobile handset with accurate positioning function, described application module comprises Voice Navigation module, figure navigation module or one of them.

In the above-mentioned GSM mobile handset with accurate positioning function, described GPS module adopts the REB-3300 global positioning receiver.

GSM mobile handset with accurate positioning function of the present utility model by the GPS locating module is attached in the GSM mobile handset, has realized the accurate location of mobile phone.

Description of drawings

Fig. 1 is the structured flowchart with GSM mobile handset of accurate positioning function of the present utility model.

Fig. 2 is the detailed structured flowchart of processing module among Fig. 1.

Fig. 3 is part peripheral circuit and the audio output circuit schematic diagram of MCU of an embodiment of the GSM mobile handset with accurate positioning function of the present utility model.

Fig. 4 is the GSM/GPRS module section peripheral circuit schematic diagram (part) of an embodiment of the GSM mobile handset with accurate positioning function of the present utility model.

Fig. 5 is the GPS module peripheral circuit schematic diagram (part) of an embodiment of the GSM mobile handset with accurate positioning function of the present utility model.

Embodiment

As shown in Figure 1, the GSM mobile handset 10 with accurate positioning function of the present utility model comprises processing module 13, GSM/GPRS module 11, GPS module 12, display module 14, memory module 15 and voice module 16.Wherein GSM/GPRS module 11, GPS module 12, display module 14, memory module 15 and voice module 16 are connected with processing module 13 respectively.

GSM/GPRS module 11 can receive communication signal and this communication signal is sent to processing module 13 and handle to export by display module 14 and voice module 16.GSM/GPRS module 11 can be any existing GSM/GPRS communication module, this GSM/GPRS module 11 adopts the MC45 of Siemens (SIEMENS) in the present embodiment, being characterized in of this module: small and exquisitely ultra-thinly (53mm * 34mm * 3.5mm), support GSM/GPRS three standard etc. of (EGSM900/GSM1800/GSM1900), high speed data transfer (adopt GPRS Class 10 modes, speed is up to 85kbps), low-power consumption, employing GPRS Class 10 frequently.

GPS module 12 is used to receive global positioning information, and calculates the current time, position (longitude, latitude), the speed of motion, the data of direction.In the present embodiment, the REB-3300 global positioning receiver that GPS module 12 adopts Taiwan Dingtian to produce, it has, and toggle speed is fast, highly sensitive, peripheral circuit is simple, volume is little, power consumption is little, cost hangs down characteristics such as reaching the software dormancy.

Display module 14 is used for information such as display text, figure, and it comprises display screen and peripheral circuit thereof.In the present embodiment, display screen adopts 160 * 240 dot matrix TFT LCD display (16 looks), and size is 3.5 cun.In addition, GSM mobile handset 10 also comprises the power supply (not shown) that is used to power, and in the present embodiment, power supply adopts 950mAh, 3.6V lithium ion electronics, under GPS module 12 resting states the about 60-100 of stand-by time hour (view network situation), when 12 work of GPS module, still reach 6-10 hour.Voice module 16 is used to export voice.Store user data, application program and operating system in the memory module 15.

Processing module 13 is used for data operation processing and peripheral components control, as control GSM/GPRS module 11, accepts to handle gps data information, controlling and driving LCD display etc.Processing module 13 comprises a microprocessor, by this microprocessor operation system.In the present embodiment, microprocessor adopts 32 high-performance CMOS microprocessor S1C33209 of the risc architecture of EPSON company release, it has characteristics such as high speed, low-power consumption, low voltage operating, reduced instruction set computer, provide and take advantage of and accumulation function, both can be used for office equipment, need also to be specially adapted to the portable equipment of high-level data processing, can to carry out high-speed computation, I/O mouth control flexibly and data manipulation efficiently.S1C33209 has the internal RAM of 8KB, and its arithmetic speed can reach 60MHz, adds that the majority of optimization is the instruction set of single clock cycle, makes S1C33209 than conventional MCU arithmetic speed and reliable performance faster be arranged.

As shown in Figure 2, be the detailed structured flowchart of processing module 13 among Fig. 1.Processing unit 13 comprises GSM/GPRS interface 132, GPS interface 131, display interface 137 and the speech interface 136 that connects GSM/GPRS module 11, GPS module 12, display module 14 and voice module 16 respectively.Processing unit 13 also comprises the communication control unit 133 that is connected with GSM/GPRS interface 132, the GPS control unit 134 that is connected with GPS interface 131.Processing unit 13 also comprises the application module 135 that is connected with display interface 137, speech interface 136, communication control unit 133 and GPS control unit 134 respectively.

GSM/GPRS interface 132, GPS interface 131, display interface 137 and speech interface 136 are used for physical connection GSM/GPRS module 11, GPS module 12, display module 14 and voice module 16 and provide physical layer to drive, thereby realize the communication of processing module 13 and GSM/GPRS module 11, GPS module 12, display module 14 and voice module 16.

GPS control unit 134 is connected with GPS interface 131, the GPS interface function that it utilizes GPS interface 131 to provide, realize to GPS module 12 initialization, reset fixed, data read, processing and storage.

Communication control unit 133 is used to realize the second layer of GSM procotol and the 3rd layer, the second layer of agreement is a data link layer, directly link to each other with physical drives layer (GSM/GPRS interface 132), finish the acceptance and the transmission of the signaling data of GSM logical channel by the interface function of GSM network physical layer segment in the physical drives layer, accept the signaling data that data link layer provides for the 3rd layer of agreement, and handle accordingly, this layer is divided into Radio Resource again, three sublayers of mobile management and connection management, the RRM of responsible GSM network respectively, mobile management and telecommunication management.

Application module 135 belongs to concrete application program, and its data of utilizing GPS module 12 or GSM/GPRS module 11 to provide realize further function, for example Voice Navigation, figure navigation etc.

Fig. 3 to Fig. 5 is the circuit diagram of an embodiment of the GSM mobile handset with accurate positioning function of the present utility model.Wherein Fig. 3 shows MCU (processing module) and part peripheral circuit and audio output circuit; Fig. 4 shows GSM/GPRS module and part peripheral circuit; Fig. 5 shows GPS module and part peripheral circuit.

Claims

1, a kind of GSM mobile handset with global positioning function, comprise processing module and the GSM/GPRS module, display module, memory module and the voice module that are connected with described processing module respectively, it is characterized in that, also comprise receive locating information and described locating information handled via processing module after be sent to the locating module that display module shows locating information, described locating module is connected with described processing module.

2, the GSM mobile handset with global positioning function according to claim 1 is characterized in that, described locating module is the GPS locating module.

3, the GSM mobile handset with global positioning function according to claim 2, it is characterized in that described processing module comprises the speech interface of GSM/GPRS interface, the GPS interface that connects the GPS module that connects the GSM/GPRS module, the display interface that connects display module and connection voice module.

4, the GSM mobile handset with global positioning function according to claim 3 is characterized in that, also comprises the communication control unit and the GPS control unit that are connected with described GSM/GPRS interface, GPS interface respectively.

5, the GSM mobile handset with global positioning function according to claim 4 is characterized in that, also comprises the application module that is connected with described communication control unit, GPS control unit, display interface and speech interface respectively.

6, the GSM mobile handset with global positioning function according to claim 5 is characterized in that, described application module comprises Voice Navigation module, figure navigation module or one of them.

According to each described GSM mobile handset among the claim 2-6, it is characterized in that 7, described GPS module adopts the REB-3300 global positioning receiver with global positioning function.