CN101192894B - Built-in data transmission terminal based on code division multiple address network - Google Patents
Built-in data transmission terminal based on code division multiple address network Download PDFInfo
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- CN101192894B CN101192894B CN2006101189552A CN200610118955A CN101192894B CN 101192894 B CN101192894 B CN 101192894B CN 2006101189552 A CN2006101189552 A CN 2006101189552A CN 200610118955 A CN200610118955 A CN 200610118955A CN 101192894 B CN101192894 B CN 101192894B
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Abstract
An embedded data transmission terminal based on a code division multiple access network comprises a CPU module, a CDMA module electrically connected with the CPU module, an external interface module, a memory module electrically connected with the CPU module, a power supply module electrically connected with the CPU module and the CDMA module and a watchdog circuit electrically connected with the CPU module. The embedded data transmission terminal based on the code division multiple access network provided by the invention is widely applied to the fields of the remote power monitoring, the remote data collection/transmission, the water pollution monitoring, the forest fire prevention, the meteorological data collection, the remote meter reading, the data collection of the environmental protection bureau, etc. and can solve the difficult problem of the data transmission in the wild area without needing any wiring, and the embedded data transmission terminal can provide the wireless data transmission service where a CDMA network exists.
Description
Technical field
The present invention relates to a kind of built-in data transmission terminal based on CDMA network.
Background technology
Along with the continuous development of mobile communication technology, adopt the mobile data communication network of CDMA1x communication mode to cover all parts of the country, the network operation is stable, and this has brought vast market prospect to sector application.Because the application characteristic of all trades and professions is not quite similar; Also each is variant to informationalized demand for they; This industry application solution that just requires mobile communication carrier to provide not only can satisfy the general information communication demand of industry user, and can fully satisfy its personalized specific demand.For this reason, over the past two years, China Mobile and two big mobile communication operators enterprises of CHINAUNICOM were guiding with industry user's demand, actively moved the sector application practice of innovation, and being devoted to provides the solution of making to measure for the industry user.Different with popular data service, sector application has very strong professional and particularity, and different industry users requires to provide different custom terminals, and this carries out hardware, software development and the system integration with regard to combining industry characteristic.
Common CDMA module is some limitation in use; It does not have embedded ICP/IP protocol stack; Need the user that the support of TDP/IP is provided, just need in the master system that uses the CDMA module, embed TCP/IP, this is a complicacy and loaded down with trivial details work for common MCU system.Sometimes even surpassed the workload of application itself.And data in the past transmit product in performance, and processing speed and data capacity aspect are all perfect inadequately, the user is used be restricted.
Summary of the invention
A kind of built-in data transmission terminal provided by the invention based on CDMA network; Support PPP (end-to-end protocol); TCP (transmission control protocol); UDP (UDP), ICMP numerous complicated procotol and SOCKET (socket) socket standards such as (Internet Control Message Protocols) are for the user provides the bright transfer of data of full impregnated and two kinds of patterns of the free control transmission of user.Support simultaneously point-to-point, point-to-multipoint, equipment room, equipment with in wait various communication mode in the heart.The user need not be concerned about complicated procotol, through the bright serial port of full impregnated, just can carry out wireless data transceiving, lets equipment can insert Intemet whenever and wherever possible.
In order to achieve the above object, the invention provides a kind of built-in data transmission terminal, comprise the CPU module, and circuit connects the CDMA module of said CPU module based on CDMA network;
Described built-in data transmission terminal based on CDMA network also comprises the memory module that external interface module and circuit connect said CPU module;
Described built-in data transmission terminal based on CDMA network also comprises the power module that circuit connects said CPU module and said CDMA module;
Further, described built-in data transmission terminal based on CDMA network also comprises the watchdog circuit that circuit connects said CPU module;
Described CPU module has realized all controlled function based on the built-in data transmission terminal of CDMA network, and embedded complete ICP/IP protocol stack makes built-in data transmission terminal possess the ability of IP communication;
CPU module controls CDMA module is set up PPP through dialing and is connected, and feasible built-in data transmission terminal based on CDMA network can insert cdma network, makes it become the internet terminal equipment with IP address; Behind the access network, the control through the CPU module can also make based on the built-in data transmission terminal of CDMA network sets up being connected of TCP/UDP with remote equipment, just can realize bidirectional data transfers through the connection of setting up; The data of user's transmitting-receiving all are the custom data forms; The CPU module is responsible for that the user need not be considered when receiving and send data that the TCP/IP bag is peeled off and is user data; The user need not consider the ICP/IP protocol form when receiving and send data like this, and this packing and the work of unpacking are accomplished by the CPU module, and data are transparent transmission for the user; Have no change, promptly sending out is gained;
Described CDMA module is responsible for RFDC, and this module has realized the structure of wireless network, is the specific functional modules that realizes radio communication;
Described external interface module comprises the user interface and state indication interface that circuit connects the CPU module, and circuit connects the power interface of said power module, and circuit connects the antennal interface and the SIM interface of said CDMA module in addition;
Described user interface comprises some Serial Data Transport Interface, is user data transmission and the difunctional interface of configuration, also can be by the customization function;
Described state indication interface comprises power supply indicator; System indicator, the network indicator light is under power module is supplied power normal situation; Power supply indicator Chang Liang; System indicator flicker expression built-in data transmission terminal moves, and its flicker frequency representes which kind of mode of operation built-in data transmission terminal is in, and the network indicator light is used for indicating built-in data transmission terminal to land the situation of cdma network;
It is CPU module and CDMA module for power supply that described power interface cooperates power module;
Described antennal interface cooperates the CDMA module to realize the transmitting-receiving of wireless data;
Described SIM interface comprises the SIM seat, and this SIM seat can be the hot swappable SIM seat that carries on the SIM interface module, also blocks the SIM seat that detects for external SIM seat or the band that does not detect with card;
Described memory module comprises flash memory (Flash) and SRAM (static memory), with the data of CPU exchange storage;
Described power module is that CPU module and CDMA module provide suitable power supply;
Described watchdog circuit carries out timing reset to the CPU module, guarantees the normal operation of system;
Described built-in data transmission terminal based on CDMA network provides three kinds of mode of operations:
1, transparent transmission pattern: dial in cdma network according to configuration parameter automatically after built-in data transmission terminal powers on; And seek spendable data acquisition center automatically; The user issues all data of built-in data transmission terminal; Built-in data transmission terminal is all treated as real data and is sent to data acquisition center through UDP or TCP, after built-in data transmission terminal is received all data of data acquisition center, all directly sends to subscriber computer.This pattern provides great convenience property for original serial equipment of user upgrades to the CDMA transmission.The user can use end-data symbol to be set or the time-delay dual mode is set and control the data frame encapsulation of built-in data transmission terminal, if be provided with end mark, then to receive the end mark backsight be that data packet start is sent to built-in data transmission terminal; If be provided with the time-delay package, if then built-in data transmission terminal is not received data then is regarded as a data packet start transmission in delay time.In any case, if after an inner buffering area of built-in data transmission terminal is expired, also force package to begin to send.If user data constantly sends to built-in data transmission terminal in a steady stream, built-in data transmission terminal carries out package by the maximum bag of 1Kbyte automatically, maximum 100 bags, i.e. the 100k data supported.
2, user's control model: under this pattern, the user can control built-in data transmission terminal flexibly, and specific data format is adopted in the communication between built-in data transmission terminal and the subscriber computer, and all communications all must be followed this data format.Under this pattern, can carry out parameter configuration, a lot of flexible operatings such as control built-in data transmission terminal state.This pattern also can get into transparent transmission pattern and industrial modem mode temporarily.
3, industrial modem mode: under this pattern; Subscriber computer is issued all data of built-in data transmission terminal; Built-in data transmission terminal all is transmitted to inner cdma communication module; If the user needs some specific functions of CDMA module, just can get into this pattern and send corresponding AT order directly for the CDMA module.Under this pattern, the user also can directly link to each other built-in data transmission terminal with PC, get online without being tethered to a cable with the Dial-up Network of WINDOWS.
A kind of built-in data transmission terminal based on CDMA network provided by the invention is a built-in data transmission terminal, and the secondary that is used to meet various application can be developed; Can be directly embedded into user circuit board, the present invention supports TCP and two kinds of message formats of UDP, and the user can select arbitrarily; Remote power monitoring, remote data acquisition/transmission, water contamination monitoring should be widely used in based on the built-in data transmission terminal of CDMA network; Forest fire protection, meteorological data collection, remote meter reading; Fields such as Environmental Protection Agency's data acquisition; Do not need any wiring just can solve the difficult problem of field data transmission, as long as the place of cdma network is arranged, built-in data transmission terminal just can provide wireless data transfer services.
Description of drawings
Fig. 1 is the structural representation of a kind of built-in data transmission terminal based on CDMA network provided by the invention.
Embodiment
Followingly specify a kind of preferred embodiments of the present invention according to Fig. 1:
As shown in Figure 1, the invention provides a kind of built-in data transmission terminal based on CDMA network, comprise CPU module 1, and circuit connects the CDMA module 2 of said CPU module 1;
Described built-in data transmission terminal based on CDMA network also comprises the memory module that external interface module and circuit connect said CPU module;
Described built-in data transmission terminal based on CDMA network also comprises the power module 5 that circuit connects said CPU module 1 and said CDMA module 2;
Further, described built-in data transmission terminal based on CDMA network also comprises the watchdog circuit 6 that circuit connects said CPU module 1;
Described CPU module 1 has realized all controlled function based on the built-in data transmission terminal of CDMA network, and embedded complete ICP/IP protocol stack makes built-in data transmission terminal possess the ability of IP communication;
CPU module 1 control CDMA module 2 is set up PPP through dialing and is connected, and feasible built-in data transmission terminal based on CDMA network can insert cdma network, makes it become the internet terminal equipment with IP address; Behind the access network, the control through CPU module 1 can also make based on the built-in data transmission terminal of CDMA network sets up being connected of TCP/UDP with remote equipment, just can realize bidirectional data transfers through the connection of setting up; The data of user's transmitting-receiving all are the custom data forms; CPU module 1 is responsible for that the user need not be considered when receiving and send data that the TCP/IP bag is peeled off and is user data; The user need not consider the ICP/IP protocol form when receiving and send data like this, and this packing and the work of unpacking are accomplished by CPU module 1, and data are transparent transmission for the user; Have no change, promptly sending out is gained;
Described CDMA module 2 is responsible for RFDC, and this module has realized the structure of wireless network, is the specific functional modules that realizes radio communication;
Described external interface module comprises the user interface 301 and state indication interface 302 that circuit connects CPU module 1; And circuit connects the power interface 303 of said power module 5, also has circuit to connect the antennal interface 304 and SIM interface 305 of said CDMA module 2;
Described user interface 301 comprises some Serial Data Transport Interface, is user data transmission and the difunctional interface of configuration, also can be by the customization function;
Described state indication interface 302 comprises power supply indicator; System indicator, the network indicator light is under the normal situation of power module 5 power supplies; Power supply indicator Chang Liang; System indicator flicker expression built-in data transmission terminal moves, and its flicker frequency representes which kind of mode of operation built-in data transmission terminal is in, and the network indicator light is used for indicating built-in data transmission terminal to land the situation of cdma network;
It is CPU module 1 and 2 power supplies of CDMA module that described power interface 303 cooperates power module 5;
Described antennal interface 304 cooperates CDMA module 2 to realize the transmitting-receiving of wireless data;
Described SIM interface 305 comprises the SIM seat, and this SIM seat can be the hot swappable SIM seat that carries on the SIM interface module, also blocks the SIM seat that detects for external SIM seat or the band that does not detect with card;
Described memory module comprises flash memory (Flash) 301 and SRAM302 (static memory), with the data of CPU module 1 exchange storage;
Described power module 5 provides suitable power supply for CPU module 1 and CDMA module 1;
6 pairs of CPU modules of described watchdog circuit 1 are carried out timing reset, guarantee the normal operation of system;
Described built-in data transmission terminal based on CDMA network provides three kinds of mode of operations:
1, transparent transmission pattern: dial in cdma network according to configuration parameter automatically after built-in data transmission terminal powers on; And seek spendable data acquisition center automatically; The user issues all data of built-in data transmission terminal; Built-in data transmission terminal is all treated as real data and is sent to data acquisition center through UDP or TCP, after built-in data transmission terminal is received all data of data acquisition center, all directly sends to subscriber computer.This pattern provides great convenience property for original serial equipment of user upgrades to the CDMA transmission.The user can use end-data symbol to be set or the time-delay dual mode is set and control the data frame encapsulation of built-in data transmission terminal, if be provided with end mark, then to receive the end mark backsight be that data packet start is sent to built-in data transmission terminal; If be provided with the time-delay package, if then built-in data transmission terminal is not received data then is regarded as a data packet start transmission in delay time.In any case, if after an inner buffering area of built-in data transmission terminal is expired, also force package to begin to send.If user data constantly sends to built-in data transmission terminal in a steady stream, built-in data transmission terminal carries out package by the maximum bag of lKbyte automatically, maximum 100 bags, i.e. the 100k data supported.
2, user's control model: under this pattern, the user can control built-in data transmission terminal flexibly, and specific data format is adopted in the communication between built-in data transmission terminal and the subscriber computer, and all communications all must be followed this data format.Under this pattern, can carry out parameter configuration, a lot of flexible operatings such as control built-in data transmission terminal state.This pattern also can get into transparent transmission pattern and industrial modem mode temporarily.
3, industrial modem mode: under this pattern; Subscriber computer is issued all data of built-in data transmission terminal; Built-in data transmission terminal all is transmitted to inner cdma communication module; If the user needs some specific functions of CDMA module, just can get into this pattern and send corresponding AT order directly for the CDMA module.Under this pattern, the user also can directly link to each other built-in data transmission terminal with PC, get online without being tethered to a cable with the Dial-up Network of WINDOWS.
A kind of built-in data transmission terminal based on CDMA network provided by the invention is a built-in data transmission terminal, and the secondary that is used to meet various application can be developed; Can be directly embedded into user circuit board, the present invention supports TCP and two kinds of message formats of UDP, and the user can select arbitrarily; Remote power monitoring, remote data acquisition/transmission, water contamination monitoring should be widely used in based on the built-in data transmission terminal of CDMA network; Forest fire protection, meteorological data collection, remote meter reading; Fields such as Environmental Protection Agency's data acquisition; Do not need any wiring just can solve the difficult problem of field data transmission, as long as the place of cdma network is arranged, built-in data transmission terminal just can provide wireless data transfer services.
Claims (9)
1. the built-in data transmission terminal based on CDMA network is characterized in that, comprises CPU module (1), and circuit connects the code division multiple access module (2) of said CPU module (1);
Described built-in data transmission terminal based on CDMA network also comprises the memory module that external interface module and circuit connect said CPU module (1),
Be embedded with the ICP/IP protocol stack in the said CPU module, thereby control code division multiple access module is set up the PPP connection through dialing, to insert cdma network; And after inserting cdma network, set up being connected of TCP/UDP with remote equipment, to realize bidirectional data transfers.
2. the built-in data transmission terminal based on CDMA network as claimed in claim 1; It is characterized in that described built-in data transmission terminal based on CDMA network also comprises the power module (5) that circuit connects said CPU module (1) and said code division multiple access module (2).
3. the built-in data transmission terminal based on CDMA network as claimed in claim 1 is characterized in that, described built-in data transmission terminal based on CDMA network also comprises the watchdog circuit (6) that circuit connects said CPU module (1).
4. the built-in data transmission terminal based on CDMA network as claimed in claim 1; It is characterized in that; Described external interface module comprises user interface (301) and the state indication interface (302) that circuit connects CPU module (1); And circuit connects the power interface (303) of said power module (5), also has circuit to connect the antennal interface (304) and the SIM interface (305) of said code division multiple access module (2).
5. the built-in data transmission terminal based on CDMA network as claimed in claim 4 is characterized in that, described user interface (301) comprises some Serial Data Transport Interface.
6. the built-in data transmission terminal based on CDMA network as claimed in claim 4 is characterized in that, described state indication interface (302) comprises power supply indicator, system indicator, network indicator light.
7. the built-in data transmission terminal based on CDMA network as claimed in claim 4 is characterized in that, described SIM interface (305) comprises the SIM seat, and this SIM seat is the hot swappable SIM seat that carries on the SIM interface module.
8. the built-in data transmission terminal based on CDMA network as claimed in claim 4 is characterized in that, described SIM interface (305) comprises the SIM seat, and this SIM seat is that external SIM seat or the band that does not detect with card blocks the SIM seat that detects.
9. the built-in data transmission terminal based on CDMA network as claimed in claim 1 is characterized in that, described memory module comprises flash memory (401) and static memory (402).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2006101189552A CN101192894B (en) | 2006-12-01 | 2006-12-01 | Built-in data transmission terminal based on code division multiple address network |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2006101189552A CN101192894B (en) | 2006-12-01 | 2006-12-01 | Built-in data transmission terminal based on code division multiple address network |
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| CN101192894A CN101192894A (en) | 2008-06-04 |
| CN101192894B true CN101192894B (en) | 2012-05-30 |
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| CN2006101189552A Expired - Fee Related CN101192894B (en) | 2006-12-01 | 2006-12-01 | Built-in data transmission terminal based on code division multiple address network |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102202212A (en) * | 2010-03-23 | 2011-09-28 | 上海良相电子科技有限公司 | Garbage can code division multiple access (CDMA) wireless transmission remote evidence obtaining device |
| AU2011203186A1 (en) | 2010-07-01 | 2012-01-19 | Aristocrat Technologies Australia Pty Limited | A method of gaming, a gaming system, and a game controller |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599866Y (en) * | 2003-01-28 | 2004-01-14 | 北京通联万达科技有限公司 | Wireless data transmission processor |
| CN2694643Y (en) * | 2003-06-03 | 2005-04-20 | 北京维深科技发展有限公司 | Mobile data communication machine |
| CN1838809A (en) * | 2006-04-18 | 2006-09-27 | 青岛海尔青大软件有限公司 | Hand-held data gathering terminal based on GPRS communication |
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2006
- 2006-12-01 CN CN2006101189552A patent/CN101192894B/en not_active Expired - Fee Related
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2599866Y (en) * | 2003-01-28 | 2004-01-14 | 北京通联万达科技有限公司 | Wireless data transmission processor |
| CN2694643Y (en) * | 2003-06-03 | 2005-04-20 | 北京维深科技发展有限公司 | Mobile data communication machine |
| CN1838809A (en) * | 2006-04-18 | 2006-09-27 | 青岛海尔青大软件有限公司 | Hand-held data gathering terminal based on GPRS communication |
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