CN102291854A - LTE (long term evolution) wireless network card terminal device - Google Patents
LTE (long term evolution) wireless network card terminal device Download PDFInfo
- Publication number
- CN102291854A CN102291854A CN2011102425587A CN201110242558A CN102291854A CN 102291854 A CN102291854 A CN 102291854A CN 2011102425587 A CN2011102425587 A CN 2011102425587A CN 201110242558 A CN201110242558 A CN 201110242558A CN 102291854 A CN102291854 A CN 102291854A
- Authority
- CN
- China
- Prior art keywords
- module
- lte
- terminal device
- links
- power management
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Images
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention provides an LTE (long term evolution) wireless network card terminal device which comprises a main processing module, an external interface module, a memory module, a power supply management module, a wireless access module and antennas, wherein the main processing module comprises a controller as well as an LTE protocol processor, an application processor and an extended application processor which are respectively connected with the controller; and the controller is also respectively connected with the wireless access module, the memory module, the power supply management module and the external interface module. The invention has the following advantages: the device can simultaneously support two systems, namely TD-LTE (time division-long term evolution) and FDD-LTE (frequency division duplex-long term evolution), the memory can not only realize the functions of storing codes and data and running software and the like, but also map to an optical disk to realize an automatic installation function; by adopting a double-antenna design and supporting an MIMO (multiple input multiple output) transmission mode, the device has high download and upload rates and can bear broadband data services including a high definition video conference and the like. The device provided by the invention has a small volume and low power consumption by combining integration devices and discretion devices.
Description
Technical field
The present invention relates to a kind of wireless communication apparatus, particularly disclose a kind of LTE wireless net card terminal device.
Background technology
Along with popularizing of wireless telecommunications, more and more people are also more and more to the bandwidth and the utilization of wireless telecommunications, the network rate of 3G and the demand that capacity can not satisfy most of personnel are respectively 3.1Mbps and 1.8Mbps as the theoretical maximum up-downgoing speed of CDMA 2000 1x EVDO Rev A at present; The theoretical maximum up-downgoing speed of WCDMA is respectively 14.4Mbps and 5.8Mbps, and the theoretical maximum up-downgoing speed of TD-SCDMA (HSUPA) is respectively 2.8Mbps and 1.6Mbps.And in the actual use, according to the increase of network environment and community user quantity, actual speed rate often has only tens or Kbps up to a hundred.
At communication field, most equipment as PC, router, industrial computer, net book, high definition camera head or the like, all possesses USB interface; The wireless Internet card of USB interface, little, in light weight with its volume, be convenient for carrying, the power supply of plug and play, use main frame USB interface, need not characteristics such as additional power supply, liked by consumers in general.
At present, the wireless network card of USB interface is 2G or 3G standard, the LTE standard, support simultaneously TD-LTE and FDD-LTE can commercial miniaturization wireless network card be blank out substantially.Progressively popularizing and promoting along with LTE, at present, U.S. FDD-LTE has begun commercial on a small scale, and China Mobile is also wideling popularize the TD-LTE with the autonomous standard property right of China, and in Beijing, Shanghai, Hangzhou, Nanjing, Guangzhou, Shenzhen, the TD-LTE network is set up in seven cities, Xiamen, estimates the end of the year in 2011 and can try out on a small scale.
The LTE standard, can support the wireless net card terminal device of TD-LTE and FDD-LTE simultaneously, because integrated level is lower, the general two cover radio frequency chips that adopt, consult Fig. 1, one cover is supported TD-LTE, another set of support FDD-LTE, two cover radio frequency chips are linked to each other by switch, and need between digital baseband (being main processing block) and radio frequency chip, use digital-to-analogue conversion (ADC) and analog-to-digital conversion (DAC) chip, in the middle of digital baseband (being main processing block) and peripheral interface, use USB bridge joint (USB PHY) and SD card extended chip.This scheme that is realized by discrete device, size is very big, cost is very high, power consumption is big, stability is very poor, the product discreteness is very big, consistency is very bad.
Summary of the invention
The objective of the invention is to overcome the defective that exists in the prior art, provide a kind of volume little, low in energy consumption, support the LTE wireless net card terminal device of TD-LTE and FDD-LTE standard.
The present invention is achieved in that a kind of LTE wireless net card terminal device, comprise main processing block, external interface module, memory module, power management module, radio access module, antenna, it is characterized in that: LTE protocol processor, application processor, expanded application processor that described main processing block comprises controller, links to each other with controller respectively; Described controller also links to each other with radio access module, memory module, power management module, external interface module respectively; Described controller control radio access module is launched, reception, standby or close; Described LTE protocol processor is handled the LTE agreement, and according to the network selecting modulation demodulation system; Described application processor processes data, described expanded application processor control CD installs automatically and expanded application is handled.
Described radio access module links to each other with 2 antennas, described radio access module comprises a main channel and an accessory channel, described main channel is for transmitting and receiving passage, and described accessory channel is a receive path, and the mode that described radio access module transmits data is the MIMO transmission means.
Described power management module links to each other with external equipment by USB connector and powers, and described power management module is made of over-voltage over-current protection, Power Management Unit, boost-buck power, linear stabilized power supply; Described over-voltage over-current protection links to each other with USB connector, Power Management Unit, boost-buck power, linear stabilized power supply respectively; Described Power Management Unit also links to each other with boost-buck power.
Described external interface module comprises usim card interface, SD card, high speed USB 2.0 interfaces that link to each other with main processing block respectively.
Described memory module is made of static memory and the dynamic random asccess memory of double-speed, described static memory is used for deposit operation software, user data, network parameter, RF calibration parameter, compact disc image files, and the dynamic random asccess memory of described double-speed is used for operation software and runs application.
Described controller passes through serial ports or parallel port or GPIO interface and links to each other with radio access module.
Described controller passes through I2C or SPI or GPIO interface and links to each other with power management module.
The invention has the beneficial effects as follows: can support two kinds of standards of TD-LTE and FDD-LTE simultaneously, memory not only can be realized functions such as traditional storage code, data, operating software, also can be mapped as CD, realizes installing automatically (AutoRun) function; The design of employing double antenna, support the MIMO transmission means, the highest downloading rate can reach 100Mbps, upload and to reach 50Mbps, support various high-speed uploading download services, can carry broadband data services such as online HD video meeting, the present invention adopts the integrated mode that combines with discrete device, volume is little, and is low in energy consumption.
Description of drawings
Fig. 1 is the structured flowchart of prior art LTE standard wireless net card terminal device.
Fig. 2 is a frame principle figure of the present invention.
Fig. 3 is the structured flowchart of power management module of the present invention.
Fig. 4 is the workflow diagram after the present invention inserts PC.
Embodiment
The present invention is further elaborated below in conjunction with the drawings and specific embodiments.
According to Fig. 2, Fig. 3, the present invention includes main processing block, external interface module, memory module, power management module, radio access module, antenna.LTE protocol processor, application processor, expanded application processor that described main processing block comprises controller, links to each other with controller respectively; Described controller also links to each other with radio access module, memory module, power management module, external interface module respectively.Described controller control radio access module is launched, reception, standby or close; Described LTE protocol processor is handled the LTE agreement, and according to the network selecting modulation demodulation system; Described application processor processes data, described expanded application processor control CD installs automatically and expanded application is handled.
Described radio access module links to each other with 2 antennas, described radio access module comprises a main channel and an accessory channel, described main channel is for transmitting and receiving passage, and described accessory channel is a receive path, and the mode that described radio access module transmits data is the MIMO transmission means.MIMO transmission means, transmitting terminal are used a plurality of antennas, will send data and be divided into the dried sub data flow of promise, and launch by a plurality of antennas; Receiving terminal uses two reception antennas, and a plurality of data flow that transmitting terminal is sent receive, integrate, recover.The MIMO transmission means can effectively be resisted multipath fading, improves wireless transmission rate, the radio transmission performance when ensureing high-speed mobile.
Described power management module links to each other with external equipment by USB connector and powers, and described power management module is made of over-voltage over-current protection, Power Management Unit, boost-buck power, linear stabilized power supply; Described over-voltage over-current protection links to each other with USB connector, Power Management Unit, boost-buck power, linear stabilized power supply respectively; Described Power Management Unit also links to each other with boost-buck power.Described USB connector is USB2.0, and its power supply capacity is 5 volts 500 milliamperes, also is 2.5 watts of power.Over-voltage over-current protection can effectively be protected the external equipment that is connected with wireless network card; Power Management Unit has multichannel input and multichannel output, the efficient height, and it is little to account for the mainboard space; Boost-buck power with the 5V power source conversion of USB interface input be in, low-voltage, low-voltage directly is the system module power supply, the efficient height, heating is few, middle voltage is as the part input of Power Management Unit and linear stabilized power supply, promoted the efficient of power source conversion, the heating of minimizing system guarantees that system still can satisfy the 2.5W requirement of USB2.0 standard when maximum power dissipation.Work as system exception, power consumption is during greater than 2.5W, for the ancillary equipment that prevents to link to each other with the present invention such as computer, net book, router etc. blue screen occurs or overcurrent damages; over-voltage over-current protection can be opened defencive function; temporarily disconnected system power supply, treat system restoration after, open system's power supply more automatically.
Described external interface module comprises usim card interface, SD card, high speed USB 2.0 interfaces that link to each other with main processing block respectively.The usim card interface is supported the usim card of multiple level, and system can detect the usim card type of current insertion automatically, and power management module can provide the power supply of coupling for it according to the usim card type; The SD card is supported the standard SD card of 1bit and 4bit, can be used for extension storage space or use when USB flash disk; High speed USB 2.0 interfaces are data communication interface, and speed can reach 480Mbps, can link to each other with the equipment of any USB2.0 of possessing OTG, and interface is simple, plug and play.
Described memory module is made of static memory and the dynamic random asccess memory of double-speed, described static memory is used for deposit operation software, user data, network parameter, RF calibration parameter, compact disc image files (ISO file), and the dynamic random asccess memory of described double-speed is used for operation software and runs application.The installation of compact disc image files (ISO file) loads flow process such as Fig. 4 with driving, on PC, be applied as example with network interface card of the present invention, first when inserting network interface card of the present invention, system prompt is installed automatically and is driven and client application software, after reading the information in the memory module of the present invention, install automatically, after the installation, the automatic loading of PC has been installed in the driving of the LTE wireless net card terminal device of the present invention on the PC, USB port of the present invention is mapped as com port and network interface, com port is used for AT command communication and debugging and trace information (log) and prints, network interface is used for the LTE network data transmission, after this, when on the PC that this installation is overdrived, using wireless network card of the present invention once more, the present invention detects PC automatically by main processing block control and has installed and overdrive, and need not to install once more, and automatic load driver of system and operation start client application software, the user can hold client's application software to dial up on the telephone by PC, short message receiving-transmitting and other network applications service.
Described controller passes through serial ports or parallel port or GPIO interface and links to each other with radio access module, controller control radio access module is launched, reception, standby or close, by special-purpose control interface or the major-minor path selection of GPIO interface control radio frequency, emission and accepting state switching, power amplifier switch and the switching of power gain grade; Described controller is by I2C(twin wire universal serial bus) or SPI(3 line or 4 line string type buses) or the GPIO interface link to each other with power management module, controller control power management module is exported; Controller links to each other with the static memory of memory module by I2C or SPI interface, selects or software data or optical file in the static memory are read in different address by biplate; Controller links to each other by the dynamic random asccess memory of memory interface and double-speed (DDRAM), the execution of control and monitoring software, algorithm, application program; Controller uses the USB2.0 high-speed interface to be connected with external equipment, can realize functions such as software upgrading, data upload download, debugging and trace information (log) printing; Controller links to each other with outside SD card by standard SDIO interface, supports 1bit, 4bit standard SD card, can realize storage and USB flash disk function; Controller is connected with outside usim card by the USIM interface, but the outside usim card type of self-adapting detecting realizes authentication, usim card is carried out telephone number, the read-write operation of note etc.The LTE protocol processor is responsible for the LTE protocol processes, selects Quadrature Phase Shift Keying (QPSK), 16 rank quadrature amplitude modulation (16QAM), 64 rank quadrature amplitude modulation modulation demodulation systems such as (64QAM) according to network condition; Application processor is responsible for data service and other use processing; The expanded application processor is responsible for CD (AutoRun) and the processing of other expanded application is installed automatically.
Claims (7)
1. LTE wireless net card terminal device, comprise main processing block, external interface module, memory module, power management module, radio access module, antenna, it is characterized in that: LTE protocol processor, application processor, expanded application processor that described main processing block comprises controller, links to each other with controller respectively; Described controller also links to each other with radio access module, memory module, power management module, external interface module respectively; Described controller control radio access module is launched, reception, standby or close; Described LTE protocol processor is handled the LTE agreement, and according to the network selecting modulation demodulation system; Described application processor processes data, described expanded application processor control CD installs automatically and expanded application is handled.
2. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described radio access module links to each other with 2 antennas, described radio access module comprises a main channel and an accessory channel, described main channel is for transmitting and receiving passage, described accessory channel is a receive path, and the mode that described radio access module transmits data is the MIMO transmission means.
3. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described power management module links to each other with external equipment by USB connector and powers, and described power management module is made of over-voltage over-current protection, Power Management Unit, boost-buck power, linear stabilized power supply; Described over-voltage over-current protection links to each other with USB connector, Power Management Unit, boost-buck power, linear stabilized power supply respectively; Described Power Management Unit also links to each other with boost-buck power.
4. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described external interface module comprises usim card interface, SD card, high speed USB 2.0 interfaces that link to each other with main processing block respectively.
5. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described memory module is made of static memory and the dynamic random asccess memory of double-speed, described static memory is used for deposit operation software, user data, network parameter, RF calibration parameter, compact disc image files, and the dynamic random asccess memory of described double-speed is used for operation software and runs application.
6. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described controller passes through serial ports or parallel port or GPIO interface and links to each other with radio access module.
7. according to the described LTE wireless net card terminal device of claim 1, it is characterized in that: described controller passes through I2C or SPI or GPIO interface and links to each other with power management module.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102425587A CN102291854A (en) | 2011-08-23 | 2011-08-23 | LTE (long term evolution) wireless network card terminal device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011102425587A CN102291854A (en) | 2011-08-23 | 2011-08-23 | LTE (long term evolution) wireless network card terminal device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102291854A true CN102291854A (en) | 2011-12-21 |
Family
ID=45337890
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011102425587A Pending CN102291854A (en) | 2011-08-23 | 2011-08-23 | LTE (long term evolution) wireless network card terminal device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102291854A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821488A (en) * | 2012-06-16 | 2012-12-12 | 浙江金之路信息科技有限公司 | Multi-mode LTE comprehensive service terminal unit |
| CN103516815A (en) * | 2012-06-21 | 2014-01-15 | 中兴通讯股份有限公司 | Parallel interface sequential control device |
| CN104270831A (en) * | 2014-09-28 | 2015-01-07 | 福建三元达通讯股份有限公司 | Multifunctional LTE wireless network card |
| CN104735821A (en) * | 2015-03-05 | 2015-06-24 | 广东翼卡车联网服务有限公司 | Wireless network card with USB-to-serial function and implement method thereof |
| CN106332316A (en) * | 2016-08-30 | 2017-01-11 | 陕西浩瀚新宇科技发展有限公司 | Small-sized TD-LTE (Time Division Long Term Evolution) wireless control device |
| CN108509361A (en) * | 2018-03-29 | 2018-09-07 | 联想(北京)有限公司 | A kind of electronic equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201690613U (en) * | 2010-05-25 | 2010-12-29 | 中兴通讯股份有限公司 | Wireless internet data card |
| KR20110040234A (en) * | 2009-10-13 | 2011-04-20 | 주식회사 유시스 | Power of module type mobile flatform |
| CN102098770A (en) * | 2009-12-14 | 2011-06-15 | 布鲁旺德通讯有限公司 | Method and apparatus for data communication in LTE cellular networks |
-
2011
- 2011-08-23 CN CN2011102425587A patent/CN102291854A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20110040234A (en) * | 2009-10-13 | 2011-04-20 | 주식회사 유시스 | Power of module type mobile flatform |
| CN102098770A (en) * | 2009-12-14 | 2011-06-15 | 布鲁旺德通讯有限公司 | Method and apparatus for data communication in LTE cellular networks |
| CN201690613U (en) * | 2010-05-25 | 2010-12-29 | 中兴通讯股份有限公司 | Wireless internet data card |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102821488A (en) * | 2012-06-16 | 2012-12-12 | 浙江金之路信息科技有限公司 | Multi-mode LTE comprehensive service terminal unit |
| CN103516815A (en) * | 2012-06-21 | 2014-01-15 | 中兴通讯股份有限公司 | Parallel interface sequential control device |
| CN103516815B (en) * | 2012-06-21 | 2018-06-26 | 深圳市中兴微电子技术有限公司 | Parallel interface sequential control device |
| CN104270831A (en) * | 2014-09-28 | 2015-01-07 | 福建三元达通讯股份有限公司 | Multifunctional LTE wireless network card |
| CN104270831B (en) * | 2014-09-28 | 2018-04-10 | 福建三元达网络技术有限公司 | A kind of multi-functional LTE wireless network cards |
| CN104735821A (en) * | 2015-03-05 | 2015-06-24 | 广东翼卡车联网服务有限公司 | Wireless network card with USB-to-serial function and implement method thereof |
| CN104735821B (en) * | 2015-03-05 | 2018-10-02 | 广东翼卡车联网服务有限公司 | A kind of wireless network card and its implementation turning serial port function with USB |
| CN106332316A (en) * | 2016-08-30 | 2017-01-11 | 陕西浩瀚新宇科技发展有限公司 | Small-sized TD-LTE (Time Division Long Term Evolution) wireless control device |
| CN108509361A (en) * | 2018-03-29 | 2018-09-07 | 联想(北京)有限公司 | A kind of electronic equipment |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US9215751B2 (en) | Mobile terminal with routing function for supporting multiple-mode access and implementation method thereof | |
| CN101252757B (en) | Wireless communication system, wireless communication module and radio communication device | |
| CN102291854A (en) | LTE (long term evolution) wireless network card terminal device | |
| CN101883446B (en) | Secure digital (SD) control chip and data communication method | |
| US7848293B2 (en) | System and method for automatic wireless transport selection for increased performance and reduced power consumption | |
| US20230261889A1 (en) | Electronic subsystem having multiple powered devices prioritized for providing power to the subsystem | |
| CN202160285U (en) | LTE wireless network card terminal apparatus | |
| US6985757B2 (en) | Smart host power supply detection for PC card wireless modem | |
| US8612778B2 (en) | Terminal device capable to operate at a dual power feeding mode for supporting a dual-mode configuration having two different wireless communication modules | |
| CN102760110A (en) | Multiple subscriber identity module controller | |
| US8718583B2 (en) | Method and apparatuses for transmitter to multi-carrier power amplifier configuration | |
| CN105376870A (en) | Method for enabling smart watch to support plurality of wireless connections and smart watch | |
| CN111654300B (en) | Electronic device | |
| CN102801778A (en) | Device for realizing resource sharing and resource sharing method | |
| CN102821488A (en) | Multi-mode LTE comprehensive service terminal unit | |
| CN107835108B (en) | OpenWrt-based MAC (media Access control) layer protocol stack verification platform | |
| CN202634717U (en) | Multi-mode type LTE (Long Term Evolution) comprehensive service terminal equipment | |
| CN101925171B (en) | Power control method and equipment for radio access network equipment | |
| CN104661329A (en) | Time division-long term evolution (TD-LTE) wireless terminal device | |
| CN217469997U (en) | Wireless routing and storage combined terminal | |
| CN111131012A (en) | Control circuit of Internet of things gateway, Internet of things gateway and Internet of things system | |
| KR20100011507A (en) | Method for operating dual mode mobile device simultaneously and saving power by controlling modulation scheme. | |
| CN111740754B (en) | Electronic device | |
| CN109413262B (en) | Wireless storage management system | |
| CN220830450U (en) | Interface switching device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C53 | Correction of patent of invention or patent application | ||
| CB02 | Change of applicant information |
Address after: Bi Sheng Lu Pudong New Area Zhangjiang hi tech park Shanghai city 201204 289 Lane 8, Room 301 Applicant after: Deming communications (Shanghai) Limited by Share Ltd Address before: Bi Sheng Lu Pudong New Area Zhangjiang hi tech park Shanghai city 201204 289 Lane 8, Room 301 Applicant before: AsiaTeclco Technologies (Shanghai) Co. |
|
| COR | Change of bibliographic data |
Free format text: CORRECT: APPLICANT; FROM: ASIATECLCO TECHNOLOGIES (SHANGHAI) CO. TO: DEMING COMMUNICATION (SHANGHAI) CO., LTD. |
|
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20111221 |