CN103428079B - A kind of LTE wireless gateway device being applied to family - Google Patents
A kind of LTE wireless gateway device being applied to family Download PDFInfo
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Abstract
The present invention is a kind of LTE wireless gateway device being applied to family.Does it comprise 3G? TD-SCDMA unit, 4G? LTE unit, route WiFi unit, USB commutation circuit, power-switching circuit; Described USB commutation circuit respectively with 3G? TD-SCDMA unit, 4G? LTE unit, route WiFi unit are connected; Described power-switching circuit respectively with 3G? TD-SCDMA unit, 4G? LTE unit, route WiFi unit, USB commutation circuit are connected; Described USB commutation circuit comprises signal input switch control module, signal switching chip; Described signal input switch control module respectively with 4G? LTE unit, route WiFi unit be connected, described signal switching chip respectively with route WiFi unit, 3G? TD-SCDMA unit, 4G? LTE unit is connected.Advantage of the present invention: reduce capital construction input, simplified network management, reduce maintenance cost.
Description
Technical field
The present invention relates to a kind of wireless gateway device, particularly disclose a kind of LTE wireless gateway device being applied to family.
Background technology
In current wireless telecommunication system development equipment, most based on intelligent machine, data card, MIFI, mainly provide voice service and low rate and a small amount of data, services, most data, services is still provided by traditional ADSL/ fiber optic network; And ADSL/ fiber optic network must be routed to each family, via after modulation /demodulation equipment for user provides services on the Internet, especially weak and from far-off regions in capital construction, ADSL/ fiber optic network pipe installation difficulty is large, cost is high, and maintenance expense difficulty, causes cable network coverage rate low.
The construction of operator wireless base station spreads all over the country streets and lanes and remote area, while basic voice call service is provided, along with the development of 4GLTE wireless technology, popular browsing page can also be met, video call, HDTV (High-Definition Television), the demand of game on line, makes important sports events, exhibition etc. become possibility by LTE network is live online.
In the prior art, the most frequently used is household radio fixed telephone and home router; Household radio fixed telephone provides voice call service by operator wireless base station, but can not provide high-speed data service and optical line by function.And home router can only provide the service of ADSL/ fiber optic network, voice calling service can not be realized.
Summary of the invention
The object of the invention is to overcome the defect existed in prior art, there is provided a kind of and utilize limited existing resource, get through wireless with wired estrangement, wireless device and wireline equipment are combined together, greatly reduce capital construction to drop into, and simplified network management, reduce maintenance cost, for terminal use provides the LTE wireless gateway device being applied to family of better service and value-added service.
The present invention is achieved in that a kind of LTE wireless gateway device being applied to family, it is characterized in that: comprise 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit and power-switching circuit; Described USB commutation circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit respectively; Described power-switching circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit respectively;
Described route WiFi unit comprises routing processing unit, WiFi Transmit Receive Unit and RJ45 network interface; Described routing processing unit is connected with described WiFi Transmit Receive Unit, RJ45 network interface, USB commutation circuit respectively;
Described USB commutation circuit is primarily of signal input switch control module and signal switching chip composition; Described signal input switch control module is connected with the routing processing unit of described 4GLTE unit, route WiFi unit respectively, and described signal switching chip is connected with the routing processing unit of described route WiFi unit, described 3GTD-SCDMA unit, 4GLTE unit respectively.
Described signal input switch control module is made up of the first resistance R1, the second resistance R2, the 3rd resistance R3 and triode Q1; One end of described first resistance R1 is connected with described 4GLTE unit as the input of described signal input switch control module, and the other end of described first resistance R1 is connected with described one end of second resistance R2, the base stage of triode Q1 respectively; The emitter ground connection respectively of the other end of described second resistance R2, described triode Q1; The collector electrode of described triode Q1 is connected with described one end of 3rd resistance R3, the routing processing unit of route WiFi unit respectively, another termination power of described 3rd resistance R3;
Described signal switching chip comprises SEL and controls pin, the first positive input/output pin HSD1+, the second positive input/output pin HSD2+, the first negative input/output pin HSD1-and the second negative input/output pin HSD2-; Described SEL controls pin and is connected with the routing processing unit of described route WiFi unit, described first positive input/output pin HSD1+, the first negative input/output pin HSD1-is connected with described 3GTD-SCDMA unit respectively, and described second positive input/output pin HSD2+, the second negative input/output pin HSD2-is connected with described 4GLTE unit respectively.
The 4G radio-frequency (RF) transmit-receive circuit that described 4GLTE unit comprises 4G baseband processing unit and is connected with described 4G baseband processing unit; Described 4G baseband processing unit is connected with described USB commutation circuit; Described 4G radio-frequency (RF) transmit-receive circuit is made up of modulator-demodulator, main road transmission circuit and bypass receiving circuit, wherein said main road transmission circuit is made up of the first filter be connected successively, power amplifier, main road duplexer, the second filter, the first low noise amplifier, the 3rd filter, described main road duplexer is connected with main road antenna, and described first filter, the 3rd filter are connected with described modulator-demodulator respectively; Described bypass receiving circuit is made up of the bypass antenna be connected successively, the 4th filter, the second low noise amplifier and the 5th filter, and described 5th filter is connected with described modulator-demodulator.
Described 3GTD-SCDMA unit comprises 3G baseband processing unit, 3G RF processing unit, voicefrequency circuit, display control circuit and key control circuit, and described 3G baseband processing unit is connected with the signal switching chip of 3G RF processing unit, voicefrequency circuit, display control circuit, key control circuit, USB commutation circuit respectively.
Also comprise the charging control circuit be connected with described 3GTD-SCDMA unit, power-switching circuit respectively.
The present invention has not only had the function of household radio fixed telephone and these two kinds of products of home router concurrently, but also compensate for the defect of these two kinds of products, namely the present invention is while realizing high-speed data service, wireless voice telephony function can also be provided, and only need this kind of equipment, just can realize wireless with wired fusion.
The invention has the beneficial effects as follows: make full use of the wireless base station that existing operator builds, voice and high-speed data transmission service are provided, get through wireless with wired estrangement, wireless device and wireline equipment are combined together, greatly reduce capital construction to drop into, and simplified network management, reduce maintenance cost, for terminal use provides better service and value-added service, and ensure that the stable of use and reliability.
Accompanying drawing explanation
Fig. 1 is frame principle figure of the present invention.
Fig. 2 is the circuit connection structure schematic diagram of USB commutation circuit of the present invention and routing processing unit.
Embodiment
According to Fig. 1, Fig. 2, the present invention includes 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit, power-switching circuit, charging control circuit.Described USB commutation circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, power-switching circuit respectively; Described power-switching circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit, charging control circuit respectively; Described charging control circuit is also connected with described 3GTD-SCDMA unit.Described charging control circuit is comprised battery and charger and is powered to each unit by power-switching circuit.
Described route WiFi unit comprises routing processing unit, WiFi Transmit Receive Unit, RJ45 network interface; Described routing processing unit is connected with described WiFi Transmit Receive Unit, RJ45 network interface, USB commutation circuit respectively.
Described USB commutation circuit is primarily of signal input switch control module, signal switching chip composition; Described signal input switch control module is connected with the routing processing unit of described 4GLTE unit, route WiFi unit respectively, and described signal switching chip is connected with the routing processing unit of described route WiFi unit, described 3GTD-SCDMA unit, 4GLTE unit respectively.
The 4G radio-frequency (RF) transmit-receive circuit that described 4GLTE unit comprises 4G baseband processing unit, is connected with described 4G baseband processing unit.Signal input switch control module, the signal switching chip of described 4G baseband processing unit and described USB commutation circuit are connected respectively.Described 4G radio-frequency (RF) transmit-receive circuit is made up of modulator-demodulator, main road transmission circuit, bypass receiving circuit, wherein said main road transmission circuit is made up of the first filter be connected successively, power amplifier, main road duplexer, the second filter, the first low noise amplifier, the 3rd filter, described main road duplexer is connected with main road antenna, and described first filter, the 3rd filter are connected with described modulator-demodulator respectively.Described bypass receiving circuit is made up of the bypass antenna be connected successively, the 4th filter, the second low noise amplifier, the 5th filter, and described 5th filter is connected with described modulator-demodulator, and described modulator-demodulator is connected with described 4G baseband processing unit.
Described 3GTD-SCDMA unit comprises 3G baseband processing unit, 3G RF processing unit, voicefrequency circuit, display control circuit, key control circuit, and described 3G baseband processing unit is connected with the signal switching chip of described 3G RF processing unit, voicefrequency circuit, display control circuit, key control circuit, USB commutation circuit respectively.
According to Fig. 2 composition graphs 1, the signal input switch control module of described USB commutation circuit is made up of the first resistance R1, the second resistance R2, the 3rd resistance R3, triode Q1; One end of described first resistance R1 is connected with described 4GLTE unit as the input of described signal input switch control module, and the other end of described first resistance R1 is connected with described one end of second resistance R2, the base stage of triode Q1 respectively; The emitter ground connection respectively of the other end of described second resistance R2, described triode Q1; The collector electrode of described triode Q1 is connected with described one end of 3rd resistance R3, the routing processing unit of route WiFi unit respectively, another termination power of described 3rd resistance R3.
The signal switching chip of described USB commutation circuit comprises SEL and controls pin, the first positive input/output pin HSD1+, the second positive input/output pin HSD2+, the first negative input/output pin HSD1-, the second negative input/output pin HSD2-, power input pin VCC.Described SEL controls pin and is connected with the routing processing unit of described route WiFi unit, and described SEL controls to be connected with the second electric capacity C2, one end ground connection of described second electric capacity C2 between pin and described routing unit.Described first positive input/output pin HSD1+, the first negative input/output pin HSD1-is connected with described 3GTD-SCDMA unit respectively by USB interface, and described second positive input/output pin HSD2+, the second negative input/output pin HSD2-is connected with described 4GLTE unit respectively by USB interface.Described power input pin VCC is connected with one end of the 5th resistance R5, and the other end of described 5th resistance R5 connects one end of power input, the first electric capacity C1 respectively, the other end ground connection of described first electric capacity C1.
The model that the 3G baseband processing unit of described 3GTD-SCDMA unit adopts Spreadtrum Communications Inc. to produce is SC8800 family chip, support GSM/GPRS and 3GTD-SCDMA standard, adopt this SC8800 family chip to support radio telephone speech sound service, TD-SCDMA data, services, LCD display, audio frequency process, button and power management.The model that the 4G baseband processing unit of described 4GLTE unit adopts AltairSemiconductor company to produce is ALT3100H-B2 chip, the model that described modulator-demodulator adopts AltairSemiconductor company to produce is the modem chip of ALT6202H-Q1, this chipset product integrated level is high, stable performance, support FDD-LTE and TDD-LTE standard express network connect, for convenience detach and change, be easy to maintenance and management.The signal that the routing processing unit of described route WiFi unit adopts thunder to insult the production of (RalinkTechnology) company is RT3352 chip, support Fast Ethernet interface and 802.11/b/g/n agreement, there is outstanding throughput, WiFi coverage, low-power consumption and reliability.
3GTD-SCDMA unit, 4GLTE unit, route WiFi unit are combined by USB commutation circuit by the present invention, and employing charging control circuit realizes battery or charger is powered.The present invention can be positioned over parlor in family or bedroom, and minimized office place; Telephone voice service can be provided, high speed Internet access data, services can also be provided, by wireless and be wiredly integratedly unified in a station terminal equipment, improve domestic environment space utilization rate, greatly reduce capital construction to drop into, reduce maintenance cost, for terminal use provides better service and value-added service, and ensure that the stable of use and reliability.
The course of work of the present invention is as follows: when the signal not from 4GLTD unit, the signal switching chip of described USB commutation circuit and 3GTD-SCDMA unit UNICOM, namely the first positive input/output pin HSD1+, the first negative input/output pin HSD1-of described signal switching chip work and carry out data interaction with 3GTD-SCDMA unit.
When described 4GLTE unit wirelessly carries out data interaction with aerogram base station, the analog signal of aerogram base station enters modulator-demodulator by the main road transmission circuit of 4G radio-frequency (RF) transmit-receive circuit, bypass receiving circuit, after modulator-demodulator converts analog signal to digital signal, be sent to 4G baseband processing unit, digital signal is converted to height electricity frequency signal is sent to USB commutation circuit signal input switch control module by USB interface by 4G baseband processing unit again.
When after the height electricity frequency signal that signal input switch control module receives from 4GLTE unit, triode Q1 is opened, after the routing processing unit of described route WiFi unit receives the opening signal of triode Q1, the signal switching chip of control USB commutation circuit is switched to the state with 4GLTE unit UNICOM, i.e. described second positive input/output pin HSD2+, the second negative input/output pin HSD2-enters operating state, and carries out data interaction with described 4GLTE unit.
When USB commutation circuit loses the signal of 4GLTE unit, described signal input switch control module loses height electricity, and signal, described triode Q1 are closed frequently, after routing processing unit receives the shutdown signal of triode Q1, control signal switches chip and is switched to the state with 3GTD-SCDMA unit UNICOM, and namely the first positive input/output pin HSD1+, the first negative input/output pin HSD1-of described signal switching chip work and carry out data interaction with 3GTD-SCDMA unit.
Described route WiFi unit receives the 4G signal from 4GLTE unit or the 3G signal from 3GTD-SCDMA unit by routing processing unit, and 4G signal or 3G signal are sent to WiFi Transmit Receive Unit, RJ45 network interface respectively, for the radio networking device or wiring logging-on function equipment needing online provides network data services.
Claims (5)
1. be applied to a LTE wireless gateway device for family, it is characterized in that: comprise 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit and power-switching circuit; Described USB commutation circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit respectively; Described power-switching circuit is connected with described 3GTD-SCDMA unit, 4GLTE unit, route WiFi unit, USB commutation circuit respectively;
Described route WiFi unit comprises routing processing unit, WiFi Transmit Receive Unit and RJ45 network interface; Described routing processing unit is connected with described WiFi Transmit Receive Unit, RJ45 network interface, USB commutation circuit respectively;
Described USB commutation circuit comprises signal input switch control module and signal switching chip; Described signal input switch control module is connected with the routing processing unit of described 4GLTE unit, route WiFi unit respectively, and described signal switching chip is connected with the routing processing unit of described route WiFi unit, described 3GTD-SCDMA unit, 4GLTE unit respectively.
2. a kind of LTE wireless gateway device being applied to family according to claim 1, is characterized in that: described signal input switch control module is made up of the first resistance R1, the second resistance R2, the 3rd resistance R3 and triode Q1; One end of described first resistance R1 is connected with described 4GLTE unit as the input of described signal input switch control module, and the other end of described first resistance R1 is connected with described one end of second resistance R2, the base stage of triode Q1 respectively; The emitter ground connection respectively of the other end of described second resistance R2, described triode Q1; The collector electrode of described triode Q1 is connected with described one end of 3rd resistance R3, the routing processing unit of route WiFi unit respectively, another termination power of described 3rd resistance R3;
Described signal switching chip comprises SEL and controls pin, the first positive input/output pin HSD1+, the second positive input/output pin HSD2+, the first negative input/output pin HSD1-and the second negative input/output pin HSD2-; Described SEL controls pin and is connected with the routing processing unit of described route WiFi unit, described first positive input/output pin HSD1+, the first negative input/output pin HSD1-is connected with described 3GTD-SCDMA unit respectively, and described second positive input/output pin HSD2+, the second negative input/output pin HSD2-is connected with described 4GLTE unit respectively.
3. a kind of LTE wireless gateway device being applied to family according to claim 1, is characterized in that: the 4G radio-frequency (RF) transmit-receive circuit that described 4GLTE unit comprises 4G baseband processing unit and is connected with described 4G baseband processing unit; Described 4G baseband processing unit is connected with described USB commutation circuit; Described 4G radio-frequency (RF) transmit-receive circuit is made up of modulator-demodulator, main road transmission circuit and bypass receiving circuit, wherein said main road transmission circuit is made up of the first filter be connected successively, power amplifier, main road duplexer, the second filter, the first low noise amplifier, the 3rd filter, described main road duplexer is connected with main road antenna, and described first filter, the 3rd filter are connected with described modulator-demodulator respectively; Described bypass receiving circuit is made up of the bypass antenna be connected successively, the 4th filter, the second low noise amplifier and the 5th filter, and described 5th filter is connected with described modulator-demodulator.
4. a kind of LTE wireless gateway device being applied to family according to claim 1, it is characterized in that: described 3GTD-SCDMA unit comprises 3G baseband processing unit, 3G RF processing unit, voicefrequency circuit, display control circuit and key control circuit, described 3G baseband processing unit is connected with the signal switching chip of 3G RF processing unit, voicefrequency circuit, display control circuit, key control circuit, USB commutation circuit respectively.
5. a kind of LTE wireless gateway device being applied to family according to claim 1, is characterized in that: also comprise the charging control circuit be connected with described 3GTD-SCDMA unit, power-switching circuit respectively.
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| CN201310398217.8A CN103428079B (en) | 2013-09-05 | 2013-09-05 | A kind of LTE wireless gateway device being applied to family |
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| CN107835338A (en) * | 2017-12-01 | 2018-03-23 | 深圳市天鼎微波科技有限公司 | A kind of signal transmission apparatus |
| CN108173752B (en) * | 2017-12-22 | 2020-12-15 | 成都博高信息技术股份有限公司 | LORAWAN gateway and control method thereof |
| CN109104716A (en) * | 2018-10-24 | 2018-12-28 | 厦门直播星电子科技有限公司 | Vehicle-carried mobile radio reception device |
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