CN101276317A - Data transmission method and system as well as terminal - Google Patents
Data transmission method and system as well as terminal Download PDFInfo
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- CN101276317A CN101276317A CNA2008100280524A CN200810028052A CN101276317A CN 101276317 A CN101276317 A CN 101276317A CN A2008100280524 A CNA2008100280524 A CN A2008100280524A CN 200810028052 A CN200810028052 A CN 200810028052A CN 101276317 A CN101276317 A CN 101276317A
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Abstract
The present invention provides a data transmission method, the method is applied in data transmission between a wireless modem unit and an application processor unit, transmitting data between the wireless modem unit and the application processor unit by a high speed serial interface. The invention also provides a data transmission system and a terminal. The invention reduces the production cost, production volume and function by utilizing high data transmission rate ability of the high speed serial interface, and the invention is simple and easy to operation.
Description
Technical field
The present invention relates to the communications field, relate in particular to a kind of data transmission method, a kind of data transmission system and a kind of terminal.
Background technology
Radio modem (Modem) unit links to each other with the application processor unit, it is an important application mode of wireless Modem unit, for example: global system for mobile communications (Global System for MobileCommunication, GSM) personal digital assistant (Personal Digital Assistant, PDA) in the mobile phone, transceive data is responsible in the wireless Modem unit, as speech data, short message etc., and wherein the data that described wireless Modem unit receives are responsible for handling in the application processor unit, as short message etc., and for the user provides other services, as playing film etc.
Wireless Modem unit and application processor unit need swap data continually in use.The wireless Modem unit is from the message transmission rate of before the Kbps order of magnitude, develop into the message transmission rate of the Mbps order of magnitude that generally adopts now, in wireless Modem unit and application that the application processor unit is connected, also need to provide corresponding craft port to satisfy the demand of the message transmission rate that the wireless Modem unit improves constantly.
Prior art provides a kind of data transmission system, as shown in Figure 1, this data transmission system includes wireless Modem unit and application processor unit, wherein, between wireless Modem unit and the application processor unit with dual port random access memory body (Random Access Memory, RAM) connect, and between wireless Modem unit and application processor unit, transmit data, satisfy the message transmission rate of the Mbps order of magnitude at this dual port RAM.
Because prior art products adopts dual port RAM to connect wireless Modem unit and application processor unit, though can satisfy the message transmission rate requirement of the Mbps order of magnitude between wireless Modem unit and application processor unit, but the dual port RAM that adopts has increased the cost of product, small product size is increased, the product power consumption is increased.
Summary of the invention
Embodiment of the invention technical matters to be solved is, a kind of data transmission method and data transmission system are provided, can realize between described radio modem unit and application processor unit, transmitting data by HSSI High-Speed Serial Interface, thereby reduction cost of products, reduce small product size, reduce the product power consumption.
In order to solve the problems of the technologies described above, the embodiment of the invention has proposed a kind of data transmission method, and this method is applied to the data transmission between radio modem unit and the application processor unit,
Between described wireless modem unit and application processor unit, transmit data by HSSI High-Speed Serial Interface.
Correspondingly, the embodiment of the invention also provides a kind of data transmission system, comprises radio modem unit, application processor unit, it is characterized in that,
Link to each other with HSSI High-Speed Serial Interface between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit data by this HSSI High-Speed Serial Interface.
The embodiment of the invention also provides a kind of terminal, comprises radio modem unit, application processor unit,
Link to each other with HSSI High-Speed Serial Interface between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit data by this HSSI High-Speed Serial Interface.
The embodiment of the invention is transmitted data by HSSI High-Speed Serial Interface between described wireless modem unit and application processor unit, thereby utilize the characteristic of the high data rate of USB (universal serial bus), reduce cost of products, reduce small product size, reduce the product power consumption.
Description of drawings
Fig. 1 is a kind of data transmission system synoptic diagram that prior art provides;
Fig. 2 is the first embodiment synoptic diagram of data transmission method of the present invention;
Fig. 3 is the second embodiment synoptic diagram of data transmission method of the present invention;
Fig. 4 is the first embodiment synoptic diagram of data transmission system of the present invention;
Fig. 5 is the second embodiment synoptic diagram of data transmission system of the present invention;
Fig. 6 is a wireless Modem cell schematics in the instantiation of data transmission system of the present invention;
Fig. 7 is an application processor cell schematics in the instantiation of data transmission system of the present invention;
Fig. 8 is an instantiation synoptic diagram of data transmission system of the present invention.
Embodiment
The embodiment of the invention provides a kind of data transmission method and data transmission system, can realize between described radio modem unit and application processor unit, transmitting data by HSSI High-Speed Serial Interface, thereby the reduction cost of products reduces small product size, reduces the product power consumption.
Below in conjunction with accompanying drawing, mainly (Universal Serial Bus, USB) interface (HSSI High-Speed Serial Interface a kind of) is elaborated to the embodiment of the invention with USB (universal serial bus).
Fig. 2 is the first embodiment synoptic diagram of data transmission method of the present invention, and with reference to this figure, this method mainly comprises:
201, between wireless Modem unit and application processor unit, set up being connected of USB interface, the D+ port of the USB interface of wireless Modem unit can be connected to the D+ port of the USB interface of application processor unit, the D-port of the USB interface of wireless Modem unit be connected to the D-port of the USB interface of application processor unit;
202, connect by 201 USB interface of setting up, transmit data between described wireless Modem unit and application processor unit, the message transmission rate that is adopted in the USB interface connection here can be the Mbps order of magnitude, can be the kbps order of magnitude also, but be not limited only to this.
Implement first embodiment of data transmission method of the present invention as shown in Figure 2, can between described wireless Modem unit and application processor unit, transmit data by USB interface, thereby utilize the characteristic of the high data rate of USB interface, reduce cost of products, reduce small product size, reduce the product power consumption.
Fig. 3 is the second embodiment synoptic diagram of data transmission method of the present invention, and with reference to this figure, this method mainly comprises:
301, setting up USB interface between wireless Modem unit and application processor unit is connected with low-speed serial interface (below be called for short with saying " serial ports " commonly used) and is connected, the D+ port of the USB interface of wireless Modem unit can be connected to the D+ port of the USB interface of application processor unit, the D-port of the USB interface of wireless Modem unit is connected to the D-port of the USB interface of application processor unit, the serial ports of wireless Modem unit can be received data (Received Data, RxD) serial ports that is connected to the application processor unit sends data (Transmitted Data, TxD), the serial ports TxD of wireless Modem unit is connected to the serial ports RxD of application processor unit;
302, threshold value according to predefined message transmission rate, judge whether the message transmission rate that needs the data transmitted between wireless Modem unit and the application processor unit reaches described threshold value (as: needing the situation of the message transmission rate of the data transmitted more than or equal to described threshold value between wireless Modem unit and the application processor unit), if, carry out 303, carry out 304 otherwise change, because the message transmission rate of described serial ports is less, and the message transmission rate of USB interface is bigger, therefore when message transmission rate reaches described threshold value between wireless Modem unit and the application processor unit, need to adopt USB interface to carry out data transmission, and when the message transmission rate between wireless Modem unit and the application processor unit reaches described threshold value, (as: do not need the situation of the message transmission rate of the data transmitted between wireless Modem unit and the application processor unit) less than described threshold value, it is just enough then to adopt serial ports to carry out data transmission;
303, between described wireless Modem unit and application processor unit, transmit data by USB interface;
304, between described wireless Modem unit and application processor unit, transmit data by serial ports.
Implement second embodiment of data transmission method of the present invention as shown in Figure 3, in the time of can working as message transmission rate between wireless Modem unit and the application processor unit and reach pre-set threshold, between described wireless Modem unit and application processor unit, transmit data by USB interface; When the message transmission rate between wireless Modem unit and the application processor unit does not reach described threshold value, between described wireless Modem unit and application processor unit, transmit data by serial ports, thereby utilize the characteristic of the high data rate of USB interface, reduce cost of products, reduce small product size, reduce the product power consumption, can provide the data transmission channel of plurality of optional according to the message transmission rate size simultaneously.
As a kind of embodiment, the embodiment of the data transmission method of the invention described above can also comprise the steps:
By universal input/output interface (General-Purpose Input/Output Interface, GPIO) transmission duty indicator signal between described wireless Modem unit and application processor unit, like this can be neatly according to the side circuit needs, for wireless Modem unit and application processor unit provide duty deixis that simple easy programming realizes (as holding state, dormant state, wake-up states, full speed operation state etc.), the wireless Modem unit can obtain the duty indicator signal of application processor unit by GPIO, and self working state also can directly be indicated in the wireless Modem unit; The application processor unit can obtain the duty indicator signal of wireless Modem unit by GPIO, and self working state also can directly be indicated in the application processor unit.
Correspondingly, below the data transmission system of the embodiment of the invention is described.
Fig. 4 is the first embodiment synoptic diagram of data transmission system of the present invention, and with reference to this figure, this system mainly comprises wireless Modem unit 41, application processor unit 42, links to each other with USB interface 43 between wireless Modem unit 41 and the application processor unit 42.
Particularly, the D+ port of the USB interface 43 of wireless Modem unit 41 can be connected to the D+ port of the USB interface 43 of application processor unit 42, the D-port of the USB interface 43 of wireless Modem unit 41 is connected to the D-port of the USB interface 43 of application processor unit 41, connects and between described wireless Modem unit 41 and application processor unit 42, to transmit data by USB interface 43.
What deserves to be explained is that the message transmission rate that is adopted in USB interface 43 connections here can be the Mbps order of magnitude, can be the kbps order of magnitude also, but be not limited only to this.
Implement first embodiment of data transmission system of the present invention as shown in Figure 4, can between described wireless Modem unit 41 and application processor unit 42, transmit data by USB interface 43, thereby utilize the characteristic of the high data rate of USB interface 43, reduce cost of products, reduce small product size, reduce the product power consumption.
For specifically describing the data transmission system of the embodiment of the invention, provide second embodiment of data transmission system of the present invention below.
Fig. 5 is the second embodiment synoptic diagram of data transmission system of the present invention, with reference to this figure, this system mainly comprises wireless Modem unit 51, application processor unit 52, link to each other with USB interface 53 between wireless Modem unit 51 and the application processor unit 52, also link to each other between wireless Modem unit 51 and the application processor unit 52 with serial ports 54.
Particularly, the D+ port of the USB interface 53 of wireless Modem unit 51 can be connected to the D+ port of the USB interface 53 of application processor unit 52, the D-port of the USB interface 53 of wireless Modem unit 51 is connected to the D-port of the USB interface 53 of application processor unit 51, when the message transmission rate between described wireless Modem unit 51 and the application processor unit 52 reaches pre-set threshold, connect and between described wireless Modem unit 51 and application processor unit 52, to transmit data by USB interface 53;
The serial ports 54RxD of wireless Modem unit 51 can be connected to the serial ports 54TxD of application processor unit 52, the serial ports 54TxD of wireless Modem unit 51 is connected to the serial ports 54RxD of application processor unit 52, when the message transmission rate between described wireless Modem unit 51 and the application processor unit 52 does not reach described threshold value, connect and between described wireless Modem unit 51 and application processor unit 52, to transmit data by serial ports 54.
Implement second embodiment of data transmission system of the present invention as shown in Figure 5, in the time of can working as message transmission rate between wireless Modem unit 51 and the application processor unit 52 and reach pre-set threshold, between described wireless Modem unit 51 and application processor unit 52, transmit data by USB interface 53; When the message transmission rate between wireless Modem unit 51 and the application processor unit 52 does not reach described threshold value, between described wireless Modem unit 51 and application processor unit 52, transmit data by serial ports 54, thereby utilize the characteristic of the high data rate of USB interface 53, reduce cost of products, reduce small product size, reduce the product power consumption, can provide the data transmission channel of plurality of optional according to the size of message transmission rate simultaneously.
As a kind of embodiment, can also between described wireless Modem unit 51 and application processor unit 52, transmit the duty indicator signal by GPIO in the above-mentioned data transmission system, like this can be neatly according to the side circuit needs, for wireless Modem unit 51 and application processor unit 52 provide duty deixis that simple easy programming realizes (as holding state, dormant state, wake-up states, full speed operation state etc.), wireless Modem unit 51 can obtain the duty indicator signal of application processor unit 52 by GPIO, and self working state also can directly be indicated in wireless Modem unit 51; Application processor unit 52 can obtain the duty indicator signal of wireless Modem unit 51 by GPIO, and self working state also can directly be indicated in application processor unit 52.
As a kind of embodiment, above-mentioned data transmission system can also include but are not limited to one or more combination of following each unit:
A1, input-output unit (the Input/Output that links to each other with described application processor unit, IO), this input-output unit specifically can be display unit, image unit, camera unit, GPS (GlobalPositioning System, GPS) unit, Wireless Fidelity (Wireless Fidelity, WiFi) unit and bluetooth (Bluetooth, BT) combination of one or more in the unit, for example, display unit can be 2.8 " display panels (Liquid Crystal Display; LCD) (can support touch screen function); image unit can be the camera and the associated components of 300,000 pixels, camera unit can be the camera and the associated components of 3,000,000 pixels;
A2, the storage unit that links to each other with described application processor unit, for example, this storage unit can be 1Gb internal memory and/or 1Gb flash memory (Flash) and associated components;
A3, the power supply unit that links to each other with described application processor unit, for example, this power supply unit can comprise associated components such as 1400mAH lithium battery and power management chip;
A4, the mobile communication terminal user identification card unit that links to each other with described wireless Modem unit, for example, this mobile communication terminal user identification card unit can comprise mobile phone (Subscriber Identity Module, SIM) card;
A5, the power supply unit that links to each other with described wireless Modem unit, for example, this power supply unit can comprise power management chip and associated components.
The data transmission system of the invention described above embodiment is described below by a concrete example.
Fig. 6 is a concrete wireless Modem unit, and this wireless Modem unit is by 6280 Platform Implementation of U.S. Qualcomm company:
B1,6280 platforms are mainly formed: master chip adopts MSM6280, and power management chip adopts PM6650-2, and radio-frequency (RF) transceiver adopts RTR6275;
The main performance of the wireless Modem unit of B2, employing 6280 platforms: support GSM and Wideband Code Division Multiple Access (WCDMA) (Wideband Code Division Multiple Access, WCDMA) bimodulus is used, provide at the WCDMA network under the prerequisite of corresponding support, the wireless data download capabilities of 3.6Mbps can externally be provided, (CentralProcessing Unit CPU) transmits data between interface and the external unit/units/modules for serial ports, USB interface or central processing unit that can be by master chip MSM6280.
Fig. 7 is a concrete application processor unit, and this application processor unit adopts the Monahans application processor platform of Marvell to realize:
C1, Monahans platform are mainly formed: master chip adopts the MonahansP application processor of Marvell, and power management chip adopts the LP3971 of National Semiconductor, and disposes the 1Gb internal memory and the 1Gb flash memory of Samsung company;
The main performance of the application processor unit of C2, employing Monahans platform: CPU frequency 624MHz, and dispose support touch screen function 2.8 " LCD; the dual camera of 300,000 pixels and 3,000,000 pixels (wherein 300,000 pixel camera heads can be used for shooting; 3,000,000 pixel camera heads can be used for taking pictures); GPS unit, WiFi unit and BT unit; also dispose the 1400mAH lithium battery, this application processor whole unit performance can satisfy the demand of multiple business such as mobile office online, music, Video processing.
Fig. 8 is the data transmission system synoptic diagram that adopts wireless Modem unit shown in Figure 6, application processor unit shown in Figure 7, between wireless Modem unit wherein shown in Figure 6 and the application processor unit shown in Figure 7, link to each other with USB interface, serial ports, in the time of can working as message transmission rate between wireless Modem unit and the application processor unit and reach pre-set threshold, between described wireless Modem unit and application processor unit, transmit data by USB; When the message transmission rate between wireless Modem unit and the application processor unit does not reach described threshold value, between described wireless Modem unit and application processor unit, transmit data by serial ports, thereby utilize the characteristic of the high data rate of USB, reduce cost of products, reduce small product size, reduce the product power consumption, can provide the data transmission channel of plurality of optional according to the size of message transmission rate simultaneously.
The embodiment of the invention also provides a kind of terminal, can comprise above-mentioned data transmission system in this terminal, promptly this terminal comprises above-mentioned wireless Modem unit, application processor unit and USB interface, wherein, link to each other with USB interface between described wireless Modem unit and the described application processor unit, between described wireless Modem unit and application processor unit, transmit data by this USB interface, in addition, terminal is not limited only to mobile communication terminal, and mobile communication terminal is not limited only to forms such as mobile phone, PDA.
What deserves to be explained is, it is above-mentioned that only to be example with the USB interface describe data transmission method, data transmission system, the terminal of the embodiment of the invention, in addition, adopt other HSSI High-Speed Serial Interface, as secure digital (SecureDigital, SD) (Serial Peripheral Interface SPI) replaces that USB interface also can realize the object of the invention equally in the foregoing for interface or peripheral serial line interface.
In addition, one of ordinary skill in the art will appreciate that all or part of flow process that realizes in the foregoing description method, be to instruct relevant hardware to finish by program, described program can be stored in the computer read/write memory medium, this program can comprise the flow process as the embodiment of above-mentioned each side method when carrying out.Wherein, described storage medium can be magnetic disc, CD, read-only storage memory body (Read-Only Memory, ROM) or at random store memory body (Radom Access Memory, RAM) etc.
The above is the specific embodiment of the present invention; should be pointed out that for those skilled in the art, under the prerequisite that does not break away from the principle of the invention; can also make some improvements and modifications, these improvements and modifications also are considered as protection scope of the present invention.
Claims (14)
1, a kind of data transmission method, this method are applied to the data transmission between radio modem unit and the application processor unit, it is characterized in that,
Between described wireless modem unit and application processor unit, transmit data by HSSI High-Speed Serial Interface.
2, data transmission method as claimed in claim 1 is characterized in that, this method also comprises:
When the message transmission rate between described wireless modem unit and the application processor unit reaches pre-set threshold, then between described wireless modem unit and application processor unit, transmit data by HSSI High-Speed Serial Interface.
3, data transmission method as claimed in claim 1 is characterized in that, this method also comprises:
Between described wireless modem unit and application processor unit, transmit the duty indicator signal by universal input/output interface.
As each described data transmission method in the claim 1 to 3, it is characterized in that 4, described HSSI High-Speed Serial Interface is USB (universal serial bus), safe digital interface or peripheral serial line interface.
5, a kind of data transmission system comprises radio modem unit, application processor unit, it is characterized in that,
Link to each other with HSSI High-Speed Serial Interface between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit data by this HSSI High-Speed Serial Interface.
6, data transmission system as claimed in claim 5, it is characterized in that, described HSSI High-Speed Serial Interface is used for transmitting data between described wireless modem unit and application processor unit when the message transmission rate between described wireless modem unit and the application processor unit reaches pre-set threshold.
7, data transmission system as claimed in claim 5, it is characterized in that, also link to each other between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit the duty indicator signal by universal input/output interface with universal input/output interface.
As the described data transmission system of claim 5 to 7, it is characterized in that 8, described HSSI High-Speed Serial Interface is USB (universal serial bus), safe digital interface or peripheral serial line interface.
As each described data transmission system in the claim 5 to 7, it is characterized in that 9, this system also comprises one or more the combination in input-output unit, storage unit and the power supply unit that links to each other with described application processor unit.
10, data transmission system as claimed in claim 9 is characterized in that, described input-output unit comprises one or more the combination in display unit, image unit, camera unit, global positioning system unit, Wireless Fidelity unit and the bluetooth unit.
As each described data transmission system in the claim 5 to 7, it is characterized in that 11, this system also comprises the mobile communication terminal user identification card unit that links to each other with described wireless modem unit.
12, a kind of terminal comprises radio modem unit, application processor unit, it is characterized in that,
Link to each other with HSSI High-Speed Serial Interface between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit data by this HSSI High-Speed Serial Interface.
13, terminal as claimed in claim 12, it is characterized in that, described HSSI High-Speed Serial Interface is used for transmitting data between described wireless modem unit and application processor unit when the message transmission rate between described wireless modem unit and the application processor unit reaches pre-set threshold.
14, terminal as claimed in claim 12, it is characterized in that, also link to each other between described wireless modem unit and the described application processor unit, between described wireless modem unit and application processor unit, transmit the duty indicator signal by universal input/output interface with universal input/output interface.
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100280524A CN101276317A (en) | 2008-05-13 | 2008-05-13 | Data transmission method and system as well as terminal |
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| Application Number | Priority Date | Filing Date | Title |
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| CNA2008100280524A CN101276317A (en) | 2008-05-13 | 2008-05-13 | Data transmission method and system as well as terminal |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216920A (en) * | 2011-05-24 | 2011-10-12 | 华为技术有限公司 | Advanced extensible interface bus and corresponding method for data transmission |
| CN108024218A (en) * | 2017-02-28 | 2018-05-11 | 努比亚技术有限公司 | It is a kind of to identify and the abnormal method and its system for repeating short message of processing |
| US10523235B2 (en) | 2015-06-30 | 2019-12-31 | Sanechips Technology Co., Ltd. | Transmission checking method, node, system and computer storage medium |
| CN111565368A (en) * | 2019-02-13 | 2020-08-21 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
-
2008
- 2008-05-13 CN CNA2008100280524A patent/CN101276317A/en active Pending
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102216920A (en) * | 2011-05-24 | 2011-10-12 | 华为技术有限公司 | Advanced extensible interface bus and corresponding method for data transmission |
| CN102216920B (en) * | 2011-05-24 | 2013-08-28 | 华为技术有限公司 | Advanced extensible interface bus and corresponding method for data transmission |
| US9058433B2 (en) | 2011-05-24 | 2015-06-16 | Huawei Technologies Co., Ltd. | Advanced extensible interface bus and corresponding data transmission method |
| US10523235B2 (en) | 2015-06-30 | 2019-12-31 | Sanechips Technology Co., Ltd. | Transmission checking method, node, system and computer storage medium |
| CN108024218A (en) * | 2017-02-28 | 2018-05-11 | 努比亚技术有限公司 | It is a kind of to identify and the abnormal method and its system for repeating short message of processing |
| CN111565368A (en) * | 2019-02-13 | 2020-08-21 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
| CN111565368B (en) * | 2019-02-13 | 2021-09-17 | 成都鼎桥通信技术有限公司 | Method and device for establishing and transmitting group call service |
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