CN110708081B - Large-bandwidth wireless communication equipment for aggregating dual carriers - Google Patents
Large-bandwidth wireless communication equipment for aggregating dual carriers Download PDFInfo
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- CN110708081B CN110708081B CN201910344829.6A CN201910344829A CN110708081B CN 110708081 B CN110708081 B CN 110708081B CN 201910344829 A CN201910344829 A CN 201910344829A CN 110708081 B CN110708081 B CN 110708081B
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- 239000000969 carrier Substances 0.000 title claims abstract description 16
- 238000004891 communication Methods 0.000 title claims abstract description 15
- 230000009977 dual effect Effects 0.000 title claims abstract description 11
- 230000004931 aggregating effect Effects 0.000 title claims abstract description 5
- 230000002776 aggregation Effects 0.000 claims abstract description 9
- 238000004220 aggregation Methods 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 abstract description 4
- 238000010586 diagram Methods 0.000 description 14
- 230000005540 biological transmission Effects 0.000 description 4
- 230000000694 effects Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
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- 230000009466 transformation Effects 0.000 description 1
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Classifications
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0064—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with separate antennas for the more than one band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/005—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges
- H04B1/0053—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band
- H04B1/006—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission adapting radio receivers, transmitters andtransceivers for operation on two or more bands, i.e. frequency ranges with common antenna for more than one band using switches for selecting the desired band
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B1/00—Details of transmission systems, not covered by a single one of groups H04B3/00 - H04B13/00; Details of transmission systems not characterised by the medium used for transmission
- H04B1/38—Transceivers, i.e. devices in which transmitter and receiver form a structural unit and in which at least one part is used for functions of transmitting and receiving
- H04B1/40—Circuits
- H04B1/401—Circuits for selecting or indicating operating mode
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L12/00—Data switching networks
- H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
- H04L12/46—Interconnection of networks
- H04L12/4604—LAN interconnection over a backbone network, e.g. Internet, Frame Relay
- H04L12/462—LAN interconnection over a bridge based backbone
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B7/00—Radio transmission systems, i.e. using radiation field
- H04B7/02—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas
- H04B7/04—Diversity systems; Multi-antenna system, i.e. transmission or reception using multiple antennas using two or more spaced independent antennas
- H04B7/0413—MIMO systems
Abstract
The invention relates to a large-bandwidth wireless communication device for aggregating dual carriers, which comprises an RJ45 connection module, a physical layer chip module, a main chip module, a 2G radio frequency front end and a wireless radio frequency module; the wireless radio frequency module is connected to the main chip module and comprises a wireless radio frequency chip, an output unit, a receiving unit, a bridge unit, a selecting unit and an antenna unit, wherein the first output bridge is connected to a first switch tube and is used for carrying out aggregation output on different frequency carrier signals output by a first channel port and a third channel port; the second output bridge is connected to the second switch tube, and is used for carrying out aggregation output on different frequency carrier signals output by the second channel port and the fourth channel port. The commercial high-gain antenna only supporting the 2 x 2MIMO interface can be used for transmitting the bandwidth of 1Gpbs for 10 km, and meanwhile, the antenna material and the resource are saved.
Description
Technical Field
The invention relates to the technical field of wireless communication, in particular to a large-bandwidth wireless communication device for aggregating dual carriers.
Background
A wireless bridge, as its name implies, is a bridge of a wireless network that uses wireless transmission to bridge communications between two or more networks. In the existing wireless bridge device, in order to achieve a bandwidth of 1Gpbs transmitted at 10 km, the wireless bridge device must use 4×4MIMO, where 4×4MIMO represents the number of MIMO antennas of the wireless bridge, that is, 4 receiving antennas and 4 transmitting antennas, and the existing commercial high gain antennas only support 2×2MIMO interfaces, so that the bandwidth drops significantly during long-distance transmission, and at the same time, more materials and resources are required to be occupied by using 4×4MIMO antennas.
Disclosure of Invention
Therefore, it is necessary to provide a large bandwidth wireless communication device with aggregated dual carriers, which solves the problem that the existing commercial high gain antenna only supports 2 x 2mimo interfaces, but cannot reach the bandwidth of 10 km for transmission of 1 Gpbs.
In order to achieve the above objective, the present inventors provide a large bandwidth wireless communication device with dual carriers, which includes an RJ45 connection module, a physical layer chip module, a main chip module, a 2G radio frequency front end, and a wireless radio frequency module;
the RJ45 connection module is connected with the main chip module through the physical layer chip module;
the 2G radio frequency front end is connected with the main chip module;
the wireless radio frequency module is connected to the main chip module and comprises a wireless radio frequency chip, an output unit, a receiving unit, an electric bridge unit, a selection unit and an antenna unit, wherein the wireless radio frequency chip is connected to the main chip module and comprises a first channel port, a second channel port, a third channel port and a fourth channel port, the output unit comprises a first output channel, a second output channel, a third output channel and a fourth output channel, the receiving unit comprises a first receiving channel, a second receiving channel, a third receiving channel and a fourth receiving channel, the electric bridge unit comprises a first output electric bridge, a second output electric bridge, a first receiving electric bridge and a second receiving electric bridge, the selection unit comprises a first switch tube and a second switch tube, and the antenna unit comprises a first antenna and a second antenna;
the first channel port is connected to the input end of a first output bridge through a first output channel, the third channel port is connected to the other input end of the first output bridge through a third output channel, the first channel port and the third channel port output carrier signals with different frequencies, the first output bridge is connected to a first switch tube, and the first output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the first channel port and the third channel port;
the receiving end of the first receiving channel is connected with the receiving end of the first receiving bridge, the output end of the first receiving channel is connected with the wireless radio frequency chip, the receiving end of the third receiving channel is connected with the other receiving end of the first receiving bridge, the output end of the third receiving channel is connected with the wireless radio frequency chip, and the first receiving bridge is connected with the first switch tube;
the second channel port is connected to the input end of the second output bridge through a second output channel, the fourth channel port is connected to the other input end of the second output bridge through a fourth output channel, the second channel port and the fourth channel port output carrier signals with different frequencies, the second output bridge is connected to the second switch tube, and the second output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the second channel port and the fourth channel port;
the receiving end of the second receiving channel is connected with the receiving end of the second receiving bridge, the output end of the second receiving channel is connected with the wireless radio frequency chip, the receiving end of the fourth receiving channel is connected with the other receiving end of the second receiving bridge, the output end of the fourth receiving channel is connected with the wireless radio frequency chip, and the second receiving bridge is connected with the second switch tube;
the first switch tube is connected to the first antenna, and the second switch tube is connected to the second antenna.
Further preferably, the first output channel, the second output channel, the third output channel and the fourth output channel each comprise a power amplifier and a signal coupler.
Further preferably, the LED display device further comprises an LED indication module, wherein the LED indication module is connected to the main chip module.
Further preferably, the 2G radio frequency front end includes two radio frequency units, the radio frequency units include a power amplifier, a signal coupler, a filter and a radio frequency antenna, the power amplifier is connected to the main chip module and the signal coupler, the signal coupler is connected to the filter, and the filter is connected to the radio frequency antenna.
Further preferably, the first switching tube and the second switching tube are switching tubes SKY85614-11.
Further optimized, the main chip module is a processing chip IPQ4019.
Further optimizing, the RJ45 connection module comprises an RJ45 interface, a network transformer and a power supply unit; the RJ45 interface is connected to one side of the network transformer, the other side of the network transformer is connected to the physical layer chip module, the input end of the power supply unit is connected to the power supply output end of the network transformer, and the output end of the power supply module is connected to the physical layer chip module, the main chip module, the 2G radio frequency front end and the wireless radio frequency module.
Different from the prior art, the above technical solution is that the first output channel and the third output channel are connected to the first output bridge, the first receiving channel and the third receiving channel are connected to the first receiving bridge, the first output bridge and the first receiving bridge are connected to the first antenna through the first switch tube, the second output channel and the fourth output channel are connected to the second output bridge, the second receiving channel and the fourth receiving channel are connected to the second receiving bridge through the first receiving bridge, the second output bridge and the second receiving bridge are connected to the second antenna through the second switch tube, 4 output ports of the radio frequency chip are respectively matched, two different frequency carriers of the first channel port and the third channel port are aggregated to form one port output through the first output bridge, two different frequency carriers of the second channel port and the fourth channel port are aggregated to form another port output through the second output bridge, at the receiving end, the first receiving channel and the third receiving bridge are aggregated through the first receiving bridge, the second receiving channel and the fourth receiving channel are aggregated through the second receiving bridge, and commercial gain of only 2 x-channel and 2 km/h antenna can be achieved by adopting the commercial antenna to transmit and the bandwidth of 2.
Drawings
Fig. 1 is a schematic structural diagram of a dual carrier aggregated large bandwidth wireless communication device according to an embodiment;
FIG. 2 is a schematic circuit diagram of a main chip module according to an embodiment;
fig. 3 is a schematic circuit diagram of a 2G rf front end according to an embodiment;
fig. 4 is a schematic circuit diagram of a receiving unit according to an embodiment;
fig. 5 is a schematic circuit diagram of a wireless radio frequency chip according to an embodiment;
FIG. 6 is a schematic circuit diagram of the first output channel according to the embodiment;
FIG. 7 is a schematic circuit diagram of a third output channel according to the embodiment;
FIG. 8 is a schematic circuit diagram of a first output bridge according to an embodiment;
FIG. 9 is a schematic circuit diagram of a second output channel according to an embodiment;
FIG. 10 is a schematic circuit diagram of a fourth output channel according to the embodiment;
FIG. 11 is a schematic circuit diagram of a second output bridge according to an embodiment;
FIG. 12 is a schematic circuit diagram of an LED indicator module according to an embodiment;
fig. 13 is a schematic circuit diagram of an RJ45 connection module according to an embodiment;
fig. 14 is a schematic circuit diagram of a physical layer chip module according to an embodiment.
Detailed Description
In order to describe the technical content, constructional features, achieved objects and effects of the technical solution in detail, the following description is made in connection with the specific embodiments in conjunction with the accompanying drawings.
Referring to fig. 1-4, the dual-carrier aggregation large bandwidth wireless communication device of the present embodiment includes an RJ45 connection module, a physical layer chip module, a main chip module, a 2G radio frequency front end, and a wireless radio frequency module; the main chip module adopts a processing chip IPQ4019, integrates a four-core ARM Cortex-A7 processor, supports SPI Flash, is provided with a UART interface, integrates 2.4GHz (or 5 GHz) 802.11ac+5GHz Wave2802.11ac, and has an independent processor in each WiFi frequency band.
The RJ45 connection module is connected with the main chip module through the physical layer chip module; and the data frame of the Ethernet is sent or received through the physical layer chip module and the RJ45 connection module. Wherein the physical layer chip module adopts a physical layer chip QCA8075.
The 2G radio frequency front end is connected with the main chip module; the 2G radio frequency front end comprises two radio frequency units, wherein each radio frequency unit comprises a power amplifier, a signal coupler, a filter and a radio frequency antenna, the power amplifier is connected with the main chip module and the signal coupler, the signal coupler is connected with the filter, and the filter is connected with the radio frequency antenna. The 2.4GHz signal receiving and transmitting can be realized through the 2G radio frequency front end.
The wireless radio frequency module is connected to the main chip module and comprises a wireless radio frequency chip, an output unit, a receiving unit, an electric bridge unit, a selection unit and an antenna unit, wherein the wireless radio frequency chip is connected to the main chip module and comprises a first channel port, a second channel port, a third channel port and a fourth channel port, the output unit comprises a first output channel, a second output channel, a third output channel and a fourth output channel, the receiving unit comprises a first receiving channel, a second receiving channel, a third receiving channel and a fourth receiving channel, the electric bridge unit comprises a first output electric bridge, a second output electric bridge, a first receiving electric bridge and a second receiving electric bridge, the selection unit comprises a first switch tube and a second switch tube, and the antenna unit comprises a first antenna and a second antenna;
the first channel port is connected to the input end of a first output bridge through a first output channel, the third channel port is connected to the other input end of the first output bridge through a third output channel, the first channel port and the third channel port output carrier signals with different frequencies, the first output bridge is connected to a first switch tube, and the first output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the first channel port and the third channel port;
the receiving end of the first receiving channel is connected with the receiving end of the first receiving bridge, the output end of the first receiving channel is connected with the wireless radio frequency chip, the receiving end of the third receiving channel is connected with the other receiving end of the first receiving bridge, the output end of the third receiving channel is connected with the wireless radio frequency chip, and the first receiving bridge is connected with the first switch tube;
the second channel port is connected to the input end of the second output bridge through a second output channel, the fourth channel port is connected to the other input end of the second output bridge through a fourth output channel, the second channel port and the fourth channel port output carrier signals with different frequencies, the second output bridge is connected to the second switch tube, and the second output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the second channel port and the fourth channel port;
the receiving end of the second receiving channel is connected with the receiving end of the second receiving bridge, the output end of the second receiving channel is connected with the wireless radio frequency chip, the receiving end of the fourth receiving channel is connected with the other receiving end of the second receiving bridge, the output end of the fourth receiving channel is connected with the wireless radio frequency chip, and the second receiving bridge is connected with the second switch tube;
the first switch tube is connected to the first antenna, and the second switch tube is connected to the second antenna.
The first channel port channel0 of the radio frequency chip is connected to a first output bridge through a first output channel, the second channel port channel1 is connected to a second output bridge through a second output channel, the third channel port channel2 is connected to a first output bridge through a third output channel, the fourth channel port channel3 is connected to a second output bridge through a fourth output channel, the first receiving channel and the third receiving channel are connected to a first receiving bridge through connecting the first output channel and the third output channel to the first receiving bridge, the first output bridge and the first receiving bridge are connected to a first antenna through a first switch tube, the second output channel and the fourth output channel are connected to a second output bridge through a second switch tube, the second output bridge and the second receiving bridge are connected to a second antenna through a second switch tube, two different frequency bridges of the first channel port and the third channel port are aggregated to form a carrier wave through the first output bridge through the first output channel and the fourth output bridge, the second channel port and the second receiving bridge are aggregated to form the same carrier wave through the second channel and the fourth channel port, and the second channel port are aggregated to the same. The first channel port and the second channel port can output carriers with the same frequency, and the third channel port and the fourth channel port output carriers with the same frequency, for example, the carrier frequencies of the first channel port and the second channel port are 5.6GHz, and the carrier frequencies of the third channel port and the fourth channel port are 5.8GHz; as long as the first channel port and the third channel port output different frequency carriers, the first channel port and the third channel port can be aggregated into one output port through the first output bridge, the second channel port and the fourth channel port output different frequency carriers, and the second channel port and the fourth channel port can be aggregated into one output port through the second output bridge. The commercial high-gain antenna only supporting the 2 x 2MIMO interface can be used for transmitting the bandwidth of 1Gpbs for 10 km, and meanwhile, the antenna material and the resource are saved.
As shown in fig. 5-11, the wireless radio frequency chip adopts a chip QCA9984, and the first output channel, the second output channel, the third output channel and the fourth output channel all include a power amplifier and a signal coupler. The method comprises the steps of respectively matching 4 emission ports of a radio frequency chip QCA9984, respectively carrying out a method through a power amplifier SKY85408-11, then carrying out signal detection through a signal coupler TFSC 06053995-2111B 2, enabling two carriers with different frequencies of a first channel port channel0 and a third channel port channel2 to be aggregated into one port to be output through a first output bridge U29, then connecting the two ports with different frequencies of a second channel port channel1 and a fourth channel port channel3 to be output through a first switch tube to carry out signal output, and similarly enabling the two carriers with different frequencies of the second channel port channel1 and the fourth channel port channel3 to be aggregated into one port to be output through a second output bridge U301, and then connecting the two carriers with different frequencies of the second channel port channel0 and the fourth channel port channel2 to be output through a second switch tube to carry out signal output.
In this embodiment, the first switching tube and the second switching tube are switching tubes SKY85614-11. The switching tube SKY85614-11 is an integrated single-pole double-throw switch with a low-noise amplifier, is suitable for wireless application and has a low noise coefficient; when the first antenna receives signals, the signals are sent to the first switch tube, processed by the low noise amplifier, processed by the filter, and sent to the wireless radio frequency chip through the first receiving channel or the third receiving channel by the signal shunt of the first receiving bridge J12; when the second antenna receives signals, the signals are sent to a second switch tube, processed by a low noise amplifier, processed by a filter, and sent to a wireless radio frequency chip through a second receiving channel or a fourth receiving channel by a signal shunt of a second receiving bridge J58; signal reception is achieved.
The first antenna and the second antenna can adopt commercial high-gain antennas which only support 2 x 2MIMO interfaces to achieve the bandwidth of 10 km transmission 1Gpbs, and simultaneously, the antenna materials and resources are saved.
Referring to fig. 12, in this embodiment, in order to implement the operation state indication, the device further includes an LED indication module, where the LED indication module is connected to the main chip module. The LED indication module can be used for displaying the equipment in different working states, such as the LED indication module can
Referring to fig. 13-14, in this embodiment, the RJ45 connection module includes an RJ45 interface, a network transformer and a power supply unit; the RJ45 interface is connected to one side of the network transformer, the other side of the network transformer is connected to the physical layer chip module, the input end of the power supply unit is connected to the power supply output end of the network transformer, and the output end of the power supply module is connected to the physical layer chip module, the main chip module, the 2G radio frequency front end and the wireless radio frequency module. The physical layer chip module is connected with the RJ45 interface through the network transformer, the network transformer is used for signal level coupling, and meanwhile, the physical layer chip module is isolated from the outside, so that the anti-interference capability is greatly enhanced, and a great protection effect is added to the physical layer chip module. Meanwhile, the power supply unit can supply power to the physical layer chip module, the main chip module, the 2G radio frequency front end and the wireless radio frequency module.
It should be noted that, although the foregoing embodiments have been described herein, the scope of the present invention is not limited thereby. Therefore, based on the innovative concepts of the present invention, alterations and modifications to the embodiments described herein, or equivalent structures or equivalent flow transformations made by the present description and drawings, apply the above technical solution, directly or indirectly, to other relevant technical fields, all of which are included in the scope of the invention.
Claims (5)
1. The wireless communication equipment for aggregating the dual carriers is characterized by comprising an RJ45 connection module, a physical layer chip module, a main chip module, a 2G radio frequency front end and a wireless radio frequency module;
the RJ45 connection module is connected with the main chip module through the physical layer chip module;
the 2G radio frequency front end is connected with the main chip module;
the wireless radio frequency module is connected to the main chip module and comprises a wireless radio frequency chip, an output unit, a receiving unit, an electric bridge unit, a selection unit and an antenna unit, wherein the wireless radio frequency chip is connected to the main chip module and comprises a first channel port, a second channel port, a third channel port and a fourth channel port, the output unit comprises a first output channel, a second output channel, a third output channel and a fourth output channel, the receiving unit comprises a first receiving channel, a second receiving channel, a third receiving channel and a fourth receiving channel, the electric bridge unit comprises a first output electric bridge, a second output electric bridge, a first receiving electric bridge and a second receiving electric bridge, the selection unit comprises a first switch tube and a second switch tube, and the antenna unit comprises a first antenna and a second antenna;
the first channel port is connected to the input end of a first output bridge through a first output channel, the third channel port is connected to the other input end of the first output bridge through a third output channel, the first channel port and the third channel port output carrier signals with different frequencies, the first output bridge is connected to a first switch tube, and the first output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the first channel port and the third channel port;
the receiving end of the first receiving channel is connected with the receiving end of the first receiving bridge, the output end of the first receiving channel is connected with the wireless radio frequency chip, the receiving end of the third receiving channel is connected with the other receiving end of the first receiving bridge, the output end of the third receiving channel is connected with the wireless radio frequency chip, and the first receiving bridge is connected with the first switch tube;
the second channel port is connected to the input end of the second output bridge through a second output channel, the fourth channel port is connected to the other input end of the second output bridge through a fourth output channel, the second channel port and the fourth channel port output carrier signals with different frequencies, the second output bridge is connected to the second switch tube, and the second output bridge is used for carrying out aggregation output on the carrier signals with different frequencies output by the second channel port and the fourth channel port;
the receiving end of the second receiving channel is connected with the receiving end of the second receiving bridge, the output end of the second receiving channel is connected with the wireless radio frequency chip, the receiving end of the fourth receiving channel is connected with the other receiving end of the second receiving bridge, the output end of the fourth receiving channel is connected with the wireless radio frequency chip, and the second receiving bridge is connected with the second switch tube;
the first switch tube is connected to the first antenna, and the second switch tube is connected to the second antenna;
the first switching tube and the second switching tube are switching tubes SKY85614-11;
the main chip module is a processing chip IPQ4019.
2. The aggregated dual-carrier wireless communication device of claim 1, wherein the first output channel, the second output channel, the third output channel, and the fourth output channel each comprise a power amplifier and a signal coupler.
3. The dual carrier wireless communication device of claim 1, further comprising an LED indication module, the LED indication module being coupled to the main chip module.
4. The dual carrier wireless communication device of claim 1, wherein the 2G rf front end comprises two rf units, each of the two rf units comprising a power amplifier, a signal coupler, a filter, and an rf antenna, the power amplifier being connected to the main chip module and the signal coupler, the signal coupler being connected to the filter, the filter being connected to the rf antenna.
5. The dual carrier wireless communication device of claim 1, wherein the RJ45 connection module comprises an RJ45 interface, a network transformer, and a power supply unit; the RJ45 interface is connected to one side of the network transformer, the other side of the network transformer is connected to the physical layer chip module, the input end of the power supply unit is connected to the power supply output end of the network transformer, and the output end of the power supply unit is connected to the physical layer chip module, the main chip module, the 2G radio frequency front end and the radio frequency module.
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| CN105553499A (en) * | 2015-10-29 | 2016-05-04 | 东莞酷派软件技术有限公司 | Mobile terminal radio frequency front-end and mobile terminal |
| CN105656610A (en) * | 2015-12-30 | 2016-06-08 | 宇龙计算机通信科技(深圳)有限公司 | Radio frequency circuit and terminal for realizing carrier aggregation |
| CN106788472A (en) * | 2016-12-06 | 2017-05-31 | 广东欧珀移动通信有限公司 | The radio frequency front-end device and mobile terminal of carrier aggregation |
| CN108039892A (en) * | 2017-12-04 | 2018-05-15 | Tcl移动通信科技（宁波）有限公司 | Extend the mobile terminal and its implementation of LET B42 band bandwidths |
| CN210093198U (en) * | 2019-04-26 | 2020-02-18 | 中富通集团股份有限公司 | Large-bandwidth wireless communication equipment for aggregating double carriers |
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