CN204206181U - Multi-frequency multi-mode ultrahigh speed mimo wireless communication device - Google Patents
Multi-frequency multi-mode ultrahigh speed mimo wireless communication device Download PDFInfo
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Abstract
The utility model discloses a kind of multi-frequency multi-mode ultrahigh speed mimo wireless communication device, comprise a gigabit networking processor, gigabit networking processor comprises a PCIE interface, the 2nd PCIE interface and at least two gigabit ethernet interfaces, one PCIE interface connects 2.4GHz/5.8GHz dual-band radio transceiver, 2nd PCIE interface connects 45GHz frequency range radio receiving-transmitting unit, and the scheme that 45GHz frequency range radio receiving-transmitting unit adopts double conversion to be separated with antenna sends data.Gigabit networking processor also comprises the bridge modules being connected with interface and realizing data retransmission and transmission between network interface, and realizing the protocol conversion module that IEEE 802.11 wireless protocols and IEEE 802.3 Ethernet protocol change, IEEE 802.11 wireless protocols comprises IEEE 802.11b/a/g/n/ac and IEEE 802.11aj agreement.Compared with prior art, the frequency spectrum resource that the utility model can effectively utilize millimeter wave abundant, improves the data transmission throughput of wireless communication system greatly, can support that the terminal of current 3 kinds of frequency ranges, 6 kinds of pattern WIFI standards accesses simultaneously.
Description
Technical field
The utility model belongs to wireless communication technology field, particularly multi-frequency multi-mode ultrahigh speed multiple-input and multiple-output (Multiple Input Multiple Output, the MIMO) communicator of WLAN (wireless local area network).
Background technology
The ultrahigh speed wireless local area network technology IEEE 802.11ac of low-frequency range 5.8GHz is 80MHz in the maximum channel width of product in the market, transmission rate can reach 1.3Gbps, data throughput can reach 700Mbps, the technology of current realization and product can support 2.4GHz and 5.8GHz two frequency ranges simultaneously, support IEEE 802.11b simultaneously, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac five kinds of patterns, but multi-channel video flow transmission needs the transmission rate of more than 1Gbps in the market, and the data traffic of intelligent terminal is growing, new technology and method is needed to increase the data throughout of WAP (wireless access point) or wireless base station.
Low-frequency range (lower than 6GHz) wireless communication spectrum resource is day by day rare, widely use interference at present very serious, the demand of very high-speed data transfer speed and the frequency resource of millimeter wave frequency band very abundant, millimeter wave frequency band ultrahigh speed wireless communication technology is more and more received publicity, such as in December, 2013,42.3 ~ 47GHz and 47.2 ~ 48.4GHz is amounted to the frequency spectrum resource of 5.9GHz for ultrahigh speed wireless access and without the need to radio license by Ministry of Industry and Information's approval.
The utility model utilizes the millimeter wave 45GHz resource of frequency range, realization can support 2.4GHz(2400MHz ~ 2483.5MHz simultaneously), 5.8GHz(5.15GHz ~ 5.85GHz) and 45GHz(42.3 ~ 47.0GHz, 47.2GHz ~ 48.4GHz) three frequency ranges, support the multi-frequency multi-mode ultrahigh speed MIMO WAP (wireless access point) of IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.11aj six kinds of patterns simultaneously.The access point realized can reach the peak rate of more than 3Gbps.
Utility model content
utility model object: low-frequency range (lower than 6GHz) wireless communication spectrum resource is day by day rare, widely use interference very large, have a strong impact on systematic function, even can not effectively work, the utility model effectively utilizes the millimeter wave 45GHz resource of frequency range, realization can support 2.4GHz simultaneously, 5.8GHz and 45GHz tri-frequency ranges, support IEEE 802.11b simultaneously, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, the multi-frequency multi-mode ultrahigh speed MIMO WAP (wireless access point) of IEEE 802.11aj six kinds of patterns, effectively utilize the frequency resource that millimeter wave frequency band enriches very much, the peak rate realizing wireless communication system can reach more than 3Gbps, meet the requirement up to the transmission rate of more than 1Gbps of the growing of the data traffic of intelligent terminal and the passback of forth generation mobile communication technology LTE base station in the market and multi-channel video flow transmission.
technical scheme:for above-mentioned utility model object, the utility model adopts following technical scheme:
A kind of device of multi-frequency multi-mode ultrahigh speed mimo wireless communication method, comprise a gigabit networking processor, described gigabit networking processor comprises a PCIE interface, the 2nd PCIE interface and at least two gigabit ethernet interfaces, a described PCIE interface connects 2.4GHz/5.8GHz dual-band radio transceiver, and described 2nd PCIE interface connects 45GHz frequency range radio receiving-transmitting unit;
Described gigabit networking processor also comprises:
Bridge modules, be connected with gigabit ethernet interface and PCIE interface respectively, for managing Ethernet interface corresponding to gigabit ethernet interface and wireless network interface corresponding to PCIE interface, and with the MAC Address of network interface for according to data retransmission and the transmission of carrying out data link layer;
Protocol conversion module, is connected with bridge modules, for realizing the conversion between IEEE 802.11 wireless protocols and IEEE 802.3 Ethernet protocol, and exports the data after conversion to bridge modules;
The 45GHz radio-frequency (RF) transceiver that described 45GHz frequency range radio receiving-transmitting unit comprises baseband signal processor and is connected with baseband signal processor, 45GHz radio-frequency (RF) transceiver comprises N number of transmission channel and N number of receive path; Each transmission channel comprises the rf modulations module, radio-frequency (RF) switch and the microwave frequency band up-converter module that connect successively, and a microwave frequency band up-converter module is connected with a microwave frequency band transmitting antenna; Described baseband signal processor is for generation of N road analog baseband signal; Described rf modulations module exports with baseband signal processor one tunnel and is connected, for converting analog baseband signal to radiofrequency signal, and export radio-frequency (RF) switch to, the radiofrequency signal that described microwave frequency band up-converter module received RF switch exports, for radiofrequency signal being converted to 45GHz microwave frequency band signal, and export microwave frequency band transmitting antenna to;
Each receive path comprises the radio demodulating module, radio-frequency (RF) switch and the microwave frequency band down conversion module that connect successively, and a microwave frequency band down conversion module is connected with a microwave frequency band reception antenna; The 45GHz signal that described microwave frequency band down conversion module exports for receiving microwave frequency band reception antenna, convert 45GHz signal to radiofrequency signal, and export radio-frequency (RF) switch to, described radio demodulating module is used for the radiofrequency signal that received RF switch exports, convert radiofrequency signal to analog baseband signal, and export baseband signal processor to.
Further, the small-signal radio-frequency (RF) transceiver that described 2.4GHz/5.8GHz dual-band radio transceiver comprises baseband signal processor, is connected with baseband signal processor, and the radio-frequency front-end be connected with small-signal radio-frequency (RF) transceiver; Described radio-frequency front-end has N road receiving-transmitting chain, and every road receiving-transmitting chain comprises 5.8GHz transmission channel, 2.4GHz transmission channel, broadband 2.4GHz/5.8GHz receive path and a radio-frequency (RF) switch; A radio-frequency (RF) switch is connected with a dual-mode antenna;
The input of described 5.8GHz transmission channel is connected with the output of the transmitter of small-signal radio-frequency (RF) transceiver, for converting the differential signal of 5.8GHz to single-ended signal, and exports the first transmitting terminal of radio-frequency (RF) switch to;
The input of described 2.4GHz transmission channel is connected with the output of the transmitter of small-signal radio-frequency (RF) transceiver, for converting the differential signal of 2.4GHz to single-ended signal, and exports the second transmitting terminal of radio-frequency (RF) switch to;
The described input of broadband 2.4GHz/5.8GHz receive path is connected with the output of radio-frequency (RF) switch, single-ended signal for 2.4GHz or 5.8GHz radio-frequency (RF) switch exported is separated, and converts the receiver that differential signal exports small-signal radio-frequency (RF) transceiver to respectively to;
The switch controlling signal input of radio-frequency (RF) switch is connected with the switch controlling signal output of baseband processor.
Further, described 45GHz radio-frequency (RF) transceiver also comprises first frequency source and second frequency source, first frequency source is connected with the first power splitter, and the first power splitter at least comprises 2N output, is connected respectively with the I/Q modulator of rf modulations module and the i/q demodulator of radio demodulating module; Second frequency source connects frequency multiplier, and frequency multiplier connects the second power splitter, and the second power splitter at least comprises 2N output, is connected respectively with the frequency mixer of microwave frequency band up-converter module and the frequency mixer of microwave frequency band down conversion module.
The frequency f in described first frequency source
1for lower than 6GHz frequency range, the frequency in second frequency source is (45GHz-f
1)/4 frequency range.
beneficial effect:compared with prior art, the frequency resource that the utility model effectively utilizes millimeter wave frequency band to enrich very much, greatly increase the data transmission throughput of wireless communication system, 2.4GHz/5.8GHz Base Band Unit adopts IEEE 802.11ac technical specification, 45GHz adopts IEEE 802.11aj technical specification, and the peak rate transmitting the wireless communication system of three road spatial flows can bring up to more than 3Gbps.IEEE 802.11b, IEEE 802.11a, IEEE 802.11g, IEEE 802.11n, IEEE 802.11ac, IEEE 802.11aj six kinds of patterns can be supported, the terminal equipment access of all WIFI of good compatible existing market.
Accompanying drawing explanation
Fig. 1 is the schematic diagram of mimo wireless communication network;
Fig. 2 is principle schematic of the present utility model;
Fig. 3 is 2.4/5.8GHz radio-frequency front-end schematic diagram in Fig. 2;
Fig. 4 is 45GHz radio-frequency (RF) transceiver schematic diagram in Fig. 2;
Fig. 5 is the utility model device example structure schematic diagram.
Embodiment
The utility model may be used for multiple system of broadband wireless communication, and the example of this communication system comprises tdd mode millimeter wave wireless MIMO communication system etc.
The utility model can realize in multiple wired or wireless communication device, can comprise access point or user terminal according to the radio node that the method in the utility model realizes.
Access point (Access Point, AP) base station transceiver, central station, base station, transceiver function, wireless router, transceiver, Basic Service Set (Basic Service Set can be comprised, be implemented as or be called, BSS), extended service set (Extended Service Set, ESS) or some other term.
User terminal (User Terminal, UT) can comprise, be implemented as or be called access terminal, remote terminal, subscriber station, subscriber unit, mobile radio station, user terminal, user's set, subscriber equipment or some other term.In some implementation, access terminal the phone, mobile phone, computer etc. that can comprise and possess wireless connection capability.
As shown in Figure 1, there is the multiple-access MIMO system of access point and user terminal.When any given when, access point can communicate with one or more user terminal on the downlink and uplink.Down link is the communication link from access point to user terminal, and up link is the communication link from user terminal to access point.User terminal can also with another user terminal point-to-point communicate.System access controller is connected to access point, and provides coordination to access point and control.
Wireless MIMO communication system is tdd mode system, and for TDD system, down link and up link share identical frequency band.
Access point is the transmitter for down link and the receiver for up link.User terminal is the receiver for down link and the transmitter for up link." transmitter " is device or the equipment that can be sent the independent operation of data by wireless channel as used in this article, and " receiver " is device or the equipment that can be received the independent operation of data by wireless channel.
As shown in Figure 2,3, 4, the utility model discloses the principle schematic of multi-frequency multi-mode ultrahigh speed mimo wireless communication method and device.As shown in Figure 5, the utility model embodiment discloses a kind of multi-frequency multi-mode ultrahigh speed mimo wireless communication device adopting said method, comprise a gigabit networking processor, gigabit networking processor has two high-speed PCI E interface, and a PCIE interface connects 2.4GHz/5.8GHz dual-band radio transceiver; Another PCIE interface connects 45GHz frequency range IEEE802.11aj radio receiving-transmitting unit.In order to mate the speed of radio port, gigabit networking processor also has two gigabit ethernet interfaces at least.Gigabit networking processor also comprises: for managing Ethernet interface corresponding to gigabit ethernet interface and wireless network interface corresponding to PCIE interface, and with the MAC Address of network interface for according to carrying out the data retransmission of data link layer and the bridge modules of transmission; And for realizing the conversion between IEEE 802.11 wireless protocols and IEEE 802.3 Ethernet protocol, and export the data after conversion to bridge modules, the protocol conversion module of the transfer of data between Ethernet interface and wireless network interface is carried out by bridge modules.
Wherein, 2.4GHz/5.8GHz dual-band radio transceiver comprises baseband signal processor, small-signal radio-frequency (RF) transceiver and radio-frequency front-end.
The transmission channel process of baseband signal processor be information source data carried out encode, modulate, spatial spread, the process such as digital analogue signal conversion, receive path process comprises the process such as analog and digital signal conversion, mimo channel estimation, mimo channel equilibrium, demodulation, decoding.
The transmitter of small-signal radio-frequency (RF) transceiver is that base-band analog signal baseband processor exported exports small-power radiofrequency signal by amplification, I/Q modulation, small-power amplification.
The receiver of small-signal radio-frequency (RF) transceiver is that received RF signal amplification, I/Q demodulation, amplification rear output base-band analog signal are to baseband processor.
Radio-frequency front-end has N road receiving-transmitting chain, and every road receiving-transmitting chain comprises 5.8GHz transmission channel, 2.4GHz transmission channel, broadband 2.4GHz/5.8GHz receive path and a radio-frequency (RF) switch.
As shown in Figure 3,5.8GHz transmission channel comprises 5.8GHz transmitting coupling and difference turns single-end circuit, filter and power amplifier, differential signal coupling is converted to single-ended 50 ohmage signals after 5.8GHz transmission channel receives the differential output signal of the 5.8GHz of small-signal radio-frequency (RF) transceiver, connect filter and carry out spurious signal filtering, then input power amplifier carries out signal amplification, and power amplifier output signal connects the TX1 end of radio-frequency (RF) switch.2.4GHz transmission channel comprises 2.4GHz transmitting coupling and difference turns single-end circuit, filter and power amplifier, differential signal coupling is converted to single-ended 50 ohmage signals after 2.4GHz transmission channel receives the differential output signal of the 2.4GHz of small-signal radio-frequency (RF) transceiver, connect filter and carry out spurious signal filtering, then input power amplifier carries out signal amplification, and power amplifier output signal connects the TX2 end of radio-frequency (RF) switch.Broadband 2.4GHz/5.8GHz receive path comprises 5.8GHz and launches coupling and single-ended transfer difference circuit, 2.4GHz launches coupling and single-ended transfer difference circuit, duplexer and wideband low noise amplifier, 2.4GHz or the 5.8GHz signal that the wideband low noise amplifier received RF switch of broadband 2.4GHz/5.8GHz receive path exports carries out low noise amplification, then input diplexer separates and go out 2.4GHz and 5.8GHz signal, 2.4GHz signal single-ended transfer difference signal input small-signal radio-frequency (RF) transceiver, 5.8GHz signal single-ended transfer difference signal input small-signal radio-frequency (RF) transceiver.Use a wide-band passage herein, receive and process the signal of 2.4GHz or 5.8GHz, effectively can save cost.The switch controlling signal control antenna port that radio-frequency (RF) switch exports according to baseband processor switches at 2.4GHz transmitting terminal, 5.8GHz transmitting terminal, 2.4GHz/5.8GHz receiving terminal.
2.4GHz/5.8GHz radio-frequency front-end has N road receiving-transmitting chain, maximumly can transmit N road spatial flow signal.
45GHz frequency range radio receiving-transmitting unit comprises baseband signal processor and 45GHz radio-frequency (RF) transceiver.
Baseband signal processor comprises media access control unit, transmitter baseband signal processing unit, receiver machine baseband signal processing unit, controller, digital analog converter and analog-digital converter.Transmitter baseband signal processing unit according to 45GHz wireless channel transmission characteristic be information source data carried out encode, modulate, spatial spread, the process such as digital analogue signal conversion produce N road baseband output signal, transmission N roads spatial flow signal at most.Receiver baseband signal processing unit comprises analog and digital signal conversion and recovers the information source data of transmitter transmission according to the process such as mimo channel estimation, mimo channel equilibrium, demodulation, decoding of 45GHz wireless channel transmission characteristic design.
As shown in Figure 4, 45GHz radio-frequency (RF) transceiver adopts superhet double conversion scheme, comprise N road receiving-transmitting chain and two frequency sources, every road receiving-transmitting chain comprises a transmission channel and a receive path, each transmission channel comprises the rf modulations module connected successively, radio-frequency (RF) switch and microwave frequency band up-converter module, a microwave frequency band up-converter module is connected with a microwave frequency band transmitting antenna, each receive path comprises the radio demodulating module connected successively, radio-frequency (RF) switch and microwave frequency band down conversion module, a microwave frequency band down conversion module is connected with a microwave frequency band reception antenna, first frequency source (local oscillator 1) is connected with the first power splitter, converts the i/q demodulator frequency conversion use that 2N road exports I/Q modulator and the radio demodulating module being supplied to rf modulations module to, the frequency f in first frequency source by power splitter
1, can select lower than 6GHz, second frequency source (local oscillator 2) connects 4 frequency multipliers, 4 frequency multipliers connect the second power splitter, the frequency mixer frequency conversion use that 2N road exports frequency mixer and the microwave frequency band down conversion module being supplied to microwave frequency band up-converter module is converted to, the frequency f in second frequency source by power splitter
2(45GHz-f can be selected
1)/4 frequency range, externally provides frequency source after 4 frequencys multiplication.Every road receiving-transmitting chain comprises a transmission channel, a receive path, and receive path and transmission channel comprise a radio-frequency (RF) switch respectively.Transmission channel input receives I/Q two-way analog baseband signal post filtering, the variable gain amplification, then input I/Q modulator of digital analog converter output, and I/Q modulator exports f
1the radiofrequency signal of frequency range, then variable gain upconverts to the signal of 45GHz microwave frequency band again through radio-frequency (RF) switch input mixer after amplifying, and signal amplification is carried out in filtering, input power amplifier, and power amplifier output signal connects transmitting antenna.The 45GHz signal that receive path reception antenna exports first carries out low noise amplification, and after then filtering, filtering, input mixer carries out being down-converted to f
1frequency range, amplify through radio-frequency (RF) switch input variable gain amplifier after frequency mixer output filtering, the output of variable gain amplifier connects the input of i/q demodulator, and i/q demodulator is by f
1the radiofrequency signal of frequency range is down-converted to analog baseband signal, and the I/Q two paths of signals of output carries out variable gain amplification, filtering respectively.Achieve TDD communication mode by the method that dual-mode antenna is separated and double conversion adds radio-frequency (RF) switch on radio-frequency channel herein, due to microwave frequency band switching loss greatly, radio-frequency channel is established switch can effectively reduce transmitting power loss and receiver noise factor.
The N road receiving-transmitting chain of 45GHz radio-frequency (RF) transceiver is maximum can transmit N road spatial flow signal.
Adopt the multi-frequency multi-mode ultrahigh speed mimo wireless communication device of the present embodiment, when data send, the network processing unit of transmitter is according to the wireless communications mode of premises equipment requests, by protocol conversion module, the Frame of IEEE 802.3 is converted to the wireless data frame of IEEE 802.11, the forwarding of Frame is carried out again by bridge modules, for IEEE 802.11b/a/g/n/ac pattern, select to connect corresponding wireless network interface by 2.4GHz/5.8GHz dual-band radio transceiver and send data, for IEEE 802.11aj pattern, wireless network interface corresponding to 45GHz frequency range radio receiving-transmitting unit is selected to send data.After 2.4GHz/5.8GHz dual-band radio transceiver receives data, corresponding base band signal process and rf modulations are carried out to information source data, produce the maximum N road spatial flow signal of 2.4GHz or 5.8GHz frequency range, send data by N number of radio-frequency antenna; After 45GHz frequency range radio receiving-transmitting unit receives data, base band signal process and double conversion process are carried out to information source data, produce the maximum N road spatial flow signal of 45GHz frequency range, send data by N number of microwave frequency band transmitting antenna.
During data receiver, 2.4GHz/5.8GHz dual-band radio transceiver carries out radio demodulating and base band signal process after receiving the spatial flow signal of maximum N road 2.4GHz or 5.8GHz frequency range from N number of radio-frequency antenna, recovers the information source data that transmitter sends; 45GHz frequency range radio receiving-transmitting unit carries out twice down-conversion and base band signal process after receiving the spatial flow signal of maximum N road 45GHz frequency range from N number of microwave frequency band reception antenna, recovers the information source data that transmitter sends; The wireless data frame of IEEE 802.11 is converted to the Frame of IEEE 802.3 by the network processing unit of receiver by protocol conversion module, then by bridge modules, Frame is forwarded to Ethernet interface.
The QCA9882 of WIFI baseband processor and the optional Qualcomm of radio-frequency (RF) transceiver (Qualcomm) or Qualcomm QCA9880's or company of Botong (Broadcom) BCM4352, the IPQ8068 of the optional Qualcomm of network processing unit (Qualcomm) in Fig. 2.
45GHz frequency range IEEE 802.11aj Base-Band Processing and media control to use Xilinx 4 large-scale F PGA Virtex6 to realize.
The above is only preferred implementation of the present utility model; for those skilled in the art; under the prerequisite not departing from the utility model principle, any amendment done, equivalent replacement, improvement etc. also should be considered as protection range of the present utility model.
Claims (4)
1. a multi-frequency multi-mode ultrahigh speed mimo wireless communication device, it is characterized in that, comprise a gigabit networking processor, described gigabit networking processor comprises a PCIE interface, the 2nd PCIE interface and at least two gigabit ethernet interfaces, a described PCIE interface connects 2.4GHz/5.8GHz dual-band radio transceiver, and described 2nd PCIE interface connects 45GHz frequency range radio receiving-transmitting unit;
Described gigabit networking processor also comprises:
Bridge modules, be connected with gigabit ethernet interface and PCIE interface respectively, for managing Ethernet interface corresponding to gigabit ethernet interface and wireless network interface corresponding to PCIE interface, and with the MAC Address of network interface for according to data retransmission and the transmission of carrying out data link layer;
Protocol conversion module, is connected with bridge modules, for realizing the conversion between IEEE 802.11 wireless protocols and IEEE 802.3 Ethernet protocol, and exports the data after conversion to bridge modules;
The 45GHz radio-frequency (RF) transceiver that described 45GHz frequency range radio receiving-transmitting unit comprises baseband signal processor and is connected with baseband signal processor, 45GHz radio-frequency (RF) transceiver comprises N number of transmission channel and N number of receive path; Each transmission channel comprises the rf modulations module, radio-frequency (RF) switch and the microwave frequency band up-converter module that connect successively, and a microwave frequency band up-converter module is connected with a microwave frequency band transmitting antenna; Described baseband signal processor is for generation of N road analog baseband signal; Described rf modulations module exports with baseband signal processor one tunnel and is connected, for converting analog baseband signal to radiofrequency signal, and export radio-frequency (RF) switch to, the radiofrequency signal that described microwave frequency band up-converter module received RF switch exports, for radiofrequency signal being converted to 45GHz microwave frequency band signal, and export microwave frequency band transmitting antenna to;
Each receive path comprises the radio demodulating module, radio-frequency (RF) switch and the microwave frequency band down conversion module that connect successively, and a microwave frequency band down conversion module is connected with a microwave frequency band reception antenna; The 45GHz signal that described microwave frequency band down conversion module exports for receiving microwave frequency band reception antenna, convert 45GHz signal to radiofrequency signal, and export radio-frequency (RF) switch to, described radio demodulating module is used for the radiofrequency signal that received RF switch exports, convert radiofrequency signal to analog baseband signal, and export baseband signal processor to.
2. multi-frequency multi-mode ultrahigh speed mimo wireless communication device according to claim 1, it is characterized in that, the small-signal radio-frequency (RF) transceiver that described 2.4GHz/5.8GHz dual-band radio transceiver comprises baseband signal processor, is connected with baseband signal processor, and the radio-frequency front-end be connected with small-signal radio-frequency (RF) transceiver; Described radio-frequency front-end has N road receiving-transmitting chain, and every road receiving-transmitting chain comprises 5.8GHz transmission channel, 2.4GHz transmission channel, broadband 2.4GHz/5.8GHz receive path and a radio-frequency (RF) switch; A radio-frequency (RF) switch is connected with a dual-mode antenna;
The input of described 5.8GHz transmission channel is connected with the output of the transmitter of small-signal radio-frequency (RF) transceiver, for converting the differential signal of 5.8GHz to single-ended signal, and exports the first transmitting terminal of radio-frequency (RF) switch to;
The input of described 2.4GHz transmission channel is connected with the output of the transmitter of small-signal radio-frequency (RF) transceiver, for converting the differential signal of 2.4GHz to single-ended signal, and exports the second transmitting terminal of radio-frequency (RF) switch to;
The described input of broadband 2.4GHz/5.8GHz receive path is connected with the output of radio-frequency (RF) switch, single-ended signal for 2.4GHz or 5.8GHz radio-frequency (RF) switch exported is separated, and converts the receiver that differential signal exports small-signal radio-frequency (RF) transceiver to respectively to;
The switch controlling signal input of radio-frequency (RF) switch is connected with the switch controlling signal output of baseband processor.
3. multi-frequency multi-mode ultrahigh speed mimo wireless communication device according to claim 1, is characterized in that,
Described 45GHz radio-frequency (RF) transceiver also comprises first frequency source and second frequency source, first frequency source is connected with the first power splitter, first power splitter at least comprises 2N output, is connected respectively with the I/Q modulator of rf modulations module and the i/q demodulator of radio demodulating module; Second frequency source connects frequency multiplier, and frequency multiplier connects the second power splitter, and the second power splitter at least comprises 2N output, is connected respectively with the frequency mixer of microwave frequency band up-converter module and the frequency mixer of microwave frequency band down conversion module.
4. multi-frequency multi-mode ultrahigh speed mimo wireless communication device according to claim 3, is characterized in that, the frequency f in described first frequency source
1for lower than 6GHz frequency range, the frequency in second frequency source is (45GHz-f
1)/4 frequency range.
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| CN105025160A (en) * | 2015-06-09 | 2015-11-04 | 惠州Tcl移动通信有限公司 | A millimeter wave frequency range D2D handset and a communication method thereof |
| CN105515603B (en) * | 2015-11-26 | 2018-04-24 | 小米科技有限责任公司 | Radio communication device, terminal device and wireless communication control method |
| CN105515603A (en) * | 2015-11-26 | 2016-04-20 | 小米科技有限责任公司 | Wireless communication device, terminal device and wireless communication control method |
| CN106803817A (en) * | 2015-11-26 | 2017-06-06 | 中国移动通信集团公司 | A kind of data transmission method and device |
| CN107135010B (en) * | 2016-02-26 | 2021-02-02 | 恩智浦有限公司 | Multimode transceiver arrangement |
| CN107135010A (en) * | 2016-02-26 | 2017-09-05 | 恩智浦有限公司 | Multi-mode transceiver is arranged |
| CN105704050A (en) * | 2016-03-25 | 2016-06-22 | 北京禹宸隆科技有限公司 | Intelligent router |
| CN105704050B (en) * | 2016-03-25 | 2019-01-25 | 北京禹宸隆科技有限公司 | Intelligent router |
| CN106160758B (en) * | 2016-08-25 | 2018-02-23 | 四川泰立科技股份有限公司 | Wireless non line of sight gigabit Ethernet Transmission system and its transmission method based on 700MHz 1100MHz variable frequencies |
| CN106160758A (en) * | 2016-08-25 | 2016-11-23 | 四川泰立科技股份有限公司 | Wireless non line of sight gigabit Ethernet based on 700MHz 1100MHz variable frequency transmission system and transmission method thereof |
| CN106851743A (en) * | 2016-12-21 | 2017-06-13 | 中国科学院上海微系统与信息技术研究所 | Millimetre-wave attenuator network architecture and device |
| CN106792829A (en) * | 2017-01-10 | 2017-05-31 | 青岛海信移动通信技术股份有限公司 | Lift method, device and the terminal device of terminal WIFI message transmission rates |
| CN107770080A (en) * | 2017-11-27 | 2018-03-06 | 华南师范大学 | Portable MIMO WiFi routers based on metal edge frame shell |
| CN107770080B (en) * | 2017-11-27 | 2024-01-30 | 华南师范大学 | Mobile MIMO WiFi router based on metal frame shell |
| CN109450791A (en) * | 2018-11-30 | 2019-03-08 | 四川安迪科技实业有限公司 | The method and system of the host intercommunication of the host and main website side of remote station side |
| CN109450791B (en) * | 2018-11-30 | 2021-06-11 | 四川安迪科技实业有限公司 | Method and system for intercommunication between host at remote station side and host at master station side |
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