CN211429327U - Radio frequency communication system - Google Patents
Radio frequency communication system Download PDFInfo
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- CN211429327U CN211429327U CN202021449981.5U CN202021449981U CN211429327U CN 211429327 U CN211429327 U CN 211429327U CN 202021449981 U CN202021449981 U CN 202021449981U CN 211429327 U CN211429327 U CN 211429327U
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Abstract
The utility model discloses a radio frequency communication system, which relates to the technical field of communication, and comprises a remote communication module and a radio frequency module, wherein the remote communication module comprises a server, a transmitting unit and a data processing unit; the data processing unit is externally connected with an encryption/decryption module; the quantum key that has integrateed in the decryption module obtains the quantum key from quantum key distribution network distributes unit and quantum key memory cell, the transmitting element includes radio frequency switch, amplitude limiter, band pass filter, first low noise amplifier, numerical control attenuator, second low noise amplifier and transmitting antenna, the utility model has the advantages of the interference killing feature is strong, and the security is high.
Description
Technical Field
The utility model relates to the field of communication, specifically be a radio frequency communication system.
Background
The radio frequency identification technology is a non-contact automatic identification technology, automatically identifies a target object and obtains related data through radio frequency signals, does not need manual intervention in identification work, and can work in various severe environments.
In the prior art, in the application process of the radio frequency identification technology, the read-write distance is within a limited range, only near-field communication can be carried out, and long-distance communication or read-write operation cannot be directly carried out.
An authorized patent of the present invention (named as rf circuit, rf tag and communication system, with the patent application number of CN 201921859045.9) is that a second communication interface of an rf module of the system is in communication connection with a first communication interface of a remote communication module, and/or a first transceiver unit of the remote communication module is in communication connection with a second transceiver unit of the rf module, specifically, the remote communication module can receive a second electromagnetic wave signal transmitted by the second transceiver unit of the rf module through the first transceiver unit, and/or establish communication connection with the second communication interface of the rf module through the first communication interface, so as to obtain preset information of the rf module; the first transceiver unit can also transmit the first electromagnetic wave signal, and/or establish communication connection with the second communication interface of the radio frequency module through the first communication interface, can rewrite preset information in the radio frequency module, and can also establish communication relation with a base station or a server to perform remote communication or read-write operation.
However, while the scheme realizes the long-distance communication or the read-write operation, the noise interference and the safety problem in the long-distance communication process are not considered, so that the quality of the long-distance communication is poor, and the risk of hacking exists.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's not enough, provide a radio frequency communication system.
The purpose of the utility model is realized through the following technical scheme:
a radio frequency communication system comprises a remote communication module and a radio frequency module, wherein the remote communication module comprises a server, a transmitting unit and a data processing unit, the server is connected with the data processing unit, the data processing unit is connected with the transmitting unit, and the transmitting unit is used for transmitting electromagnetic wave signals;
the data processing unit is externally connected with an encryption/decryption module; the decryption module is internally integrated with a quantum key distribution unit and a quantum key storage unit which acquire quantum keys from a quantum key distribution network;
the transmitting unit comprises a radio frequency switch, an amplitude limiter, a band-pass filter, a first low-noise amplifier, a numerical control attenuator, a second low-noise amplifier and a transmitting antenna, wherein the input end of the amplitude limiter is connected with the output end of the data processing unit, the input end of the band-pass filter is connected with the output end of the amplitude limiter, the input end of the first low-noise amplifier is connected with the output end of the band-pass filter, the input end of the radio frequency switch is connected with the output end of the first low-noise amplifier, the output end of the radio frequency switch is connected with the input end of the numerical control attenuator, the output end of the numerical control attenuator is connected with the input end of the second low-noise amplifier, and the output end of the second low-noise amplifier is connected with the input end;
the radio frequency module comprises a main control chip, a storage unit and a receiving unit, wherein the storage unit and the receiving unit are respectively connected with the main control chip, the storage unit is used for storing preset information, the receiving unit is used for receiving the electromagnetic wave signal, and the electromagnetic wave signal comprises the preset information;
the receiving unit comprises a receiving antenna, a signal processing module and a wireless Mesh network self-organizing module for providing a wireless Mesh network self-organizing function; the output end of the receiving antenna is connected with the input end of the wireless Mesh network self-organizing module, the input end of the signal processing module is connected with the output end of the wireless Mesh network self-organizing module, and the output end of the signal processing module is connected with the input end of the main control chip and outputs the received electromagnetic wave signal to the main control chip;
and the transmitting unit of the remote communication module is in communication connection with the receiving unit of the radio frequency module and is used for acquiring the preset information.
By adopting the technical scheme, the data is pre-encrypted by using a quantum key, the scheme of amplitude limiting, filtering, low-noise amplification, radio frequency switching, numerical control attenuation and then amplification is adopted, an amplitude limiter and a high-selectivity filter are arranged in front of a low-noise amplifier, and a numerical control attenuator is added, so that the anti-interference capability and the large signal damage resistance of the product are greatly improved, after the radio frequency module receives an electromagnetic wave signal, the cipher text generated by the pre-encryption is re-encrypted using the encryption protocol in the MESH ad hoc wireless network, the method has the advantages that the data information transmission in the special emergency communication system is protected doubly, the safety of wireless communication of the special emergency communication system is improved to the maximum extent while convenience and rapidness are achieved, the problem that a terminal encryption key is easy to reveal is solved, and the safety of private data in the terminal and the user experience of the terminal are improved.
Preferably, the model of the limiter is BW 481.
Through adopting the technical scheme, the utility model discloses an amplitude limiter is BW481, has that amplitude limiting power is high, output amplitude limiting level is low, the insertion loss is little, the working bandwidth is wide, characteristics small.
Preferably, the band-pass filter is BPF-2G-6G.
By adopting the technical scheme, the utility model discloses a band pass filter has selectivity height, small, the wide characteristics of working bandwidth.
Preferably, the model of the numerical control attenuator is HMC 939.
Preferably, the model of the first low noise amplifier is HMC-ALH444, and the model of the second low noise amplifier is HMC 465.
Preferably, the decryption module is an SSX0902 reconfigurable secure processor with reconfiguration logic.
Preferably, the model of the radio frequency switch is HMC 347.
The utility model has the advantages that:
1. the utility model discloses a scheme of enlargiing again after amplitude limiting, filtering, low noise amplification through radio frequency switch, numerical control decay, be amplitude limiter and high selectivity wave filter before the low noise amplifier, in addition numerical control attenuator has improved the interference killing feature of product and anti large-signal damage ability greatly.
2. The method comprises the steps of firstly pre-encrypting data by using a quantum key, then encrypting a ciphertext generated by pre-encrypting by using an encryption protocol in an MESH ad hoc wireless network again, playing a role in double protection on data information transmission in a special emergency communication system, improving the safety of wireless communication of the special emergency communication system to the maximum extent while being convenient and fast, solving the problem that the encryption key of a terminal is easy to leak, and improving the safety of private data in the terminal and the user experience of the terminal.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural diagram of the telecommunications module and the radio frequency module of the present invention;
fig. 3 is a schematic structural diagram of the transmitting unit and the receiving unit of the present invention.
Detailed Description
The technical solution of the present invention is described in further detail below with reference to the accompanying drawings, but the scope of the present invention is not limited to the following description.
As shown in fig. 1, a radio frequency communication system includes a remote communication module and a radio frequency module, as shown in fig. 2, the remote communication module includes a server, a transmitting unit and a data processing unit, the server is connected with the data processing unit, the data processing unit is connected with the transmitting unit, and the transmitting unit is used for transmitting electromagnetic wave signals;
as shown in fig. 2, the data processing unit is externally connected with an decryption module; the decryption module is internally integrated with a quantum key distribution unit and a quantum key storage unit which acquire quantum keys from a quantum key distribution network;
as shown in fig. 3, the transmitting unit includes a radio frequency switch, an amplitude limiter, a band pass filter, a first low noise amplifier, a numerical control attenuator, a second low noise amplifier, and a transmitting antenna, an input end of the amplitude limiter is connected to an output end of the data processing unit, an input end of the band pass filter is connected to an output end of the amplitude limiter, an input end of the first low noise amplifier is connected to an output end of the band pass filter, an input end of the radio frequency switch is connected to an output end of the first low noise amplifier, an output end of the radio frequency switch is connected to an input end of the numerical control attenuator, an output end of the numerical control attenuator is connected to an input end of the second low noise amplifier, and an output end of the second low noise amplifier is connected to an input end of the transmitting antenna;
as shown in fig. 2, the radio frequency module includes a main control chip, a storage unit and a receiving unit, the storage unit and the receiving unit are respectively connected to the main control chip, the storage unit is configured to store preset information, the receiving unit is configured to receive the electromagnetic wave signal, and the electromagnetic wave signal includes the preset information;
as shown in fig. 3, the receiving unit includes a receiving antenna, a signal processing module, and a wireless Mesh network self-organizing module providing a wireless Mesh network self-organizing function; the output end of the receiving antenna is connected with the input end of the wireless Mesh network self-organizing module, the input end of the signal processing module is connected with the output end of the wireless Mesh network self-organizing module, and the output end of the signal processing module is connected with the input end of the main control chip and outputs the received electromagnetic wave signal to the main control chip;
as shown in fig. 1, the transmitting unit of the remote communication module is in communication connection with the receiving unit of the radio frequency module, and is configured to obtain the preset information.
The type of the amplitude limiter is BW481, the type of the band-pass filter is BPF-2G-6G, the type of the numerical control attenuator is HMC939, the type of the first low-noise amplifier is HMC-ALH444, the type of the second low-noise amplifier is HMC465, and the type of the radio frequency switch is HMC 347.
The amplitude limiter is BW481 and has the characteristics of high amplitude limiting power, low output amplitude limiting level, small insertion loss, wide working bandwidth and small volume. The band-pass filter is BPF-2G-6G and has the characteristics of high selectivity, small volume and wide working bandwidth.
It should be noted that the decryption module is an SSX0902 reconfigurable secure processor with a reconfiguration logic technique.
The working principle of the utility model is that the electromagnetic wave signal that the server needs to send is firstly encrypted through the decryption module that is externally connected with the data processing module, and then sequentially passes through the amplitude limiter, the band-pass filter, the first low noise amplifier, the radio frequency switch, the numerical control attenuator, the second low noise amplifier and the transmitting antenna to be transmitted, namely, the scheme that the amplitude limiting, the filtering and the low noise are amplified through the radio frequency switch and the numerical control attenuation is adopted, the amplitude limiter and the high selectivity filter are arranged in front of the low noise amplifier, and the numerical control attenuator is added, thereby greatly improving the anti-interference capability and the large signal damage resistance of the product, after the receiving antenna of the radio frequency module receives the electromagnetic wave signal, then the cryptograph generated by pre-encryption is encrypted again by using the encryption protocol in the wireless Mesh network self-organizing module, thereby achieving the double protection effect on the data information transmission, the information after double encryption is input into the main control chip through the signal processing module, and the main control chip inputs the information into the storage unit for storage.
The foregoing is merely a preferred embodiment of the invention, it being understood that the embodiments described are part of the invention, and not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention. The invention is not intended to be limited to the forms disclosed herein, but is to be accorded the widest scope consistent with the principles and novel features disclosed herein. But that modifications and variations may be effected by those skilled in the art without departing from the spirit and scope of the invention, which is to be limited only by the claims appended hereto.
Claims (7)
1. A radio frequency communication system is characterized by comprising a remote communication module and a radio frequency module, wherein the remote communication module comprises a server, a transmitting unit and a data processing unit, the server is connected with the data processing unit, the data processing unit is connected with the transmitting unit, and the transmitting unit is used for transmitting electromagnetic wave signals;
the data processing unit is externally connected with an encryption/decryption module; the decryption module is internally integrated with a quantum key distribution unit and a quantum key storage unit which acquire quantum keys from a quantum key distribution network;
the transmitting unit comprises a radio frequency switch, an amplitude limiter, a band-pass filter, a first low-noise amplifier, a numerical control attenuator, a second low-noise amplifier and a transmitting antenna, wherein the input end of the amplitude limiter is connected with the output end of the data processing unit, the input end of the band-pass filter is connected with the output end of the amplitude limiter, the input end of the first low-noise amplifier is connected with the output end of the band-pass filter, the input end of the radio frequency switch is connected with the output end of the first low-noise amplifier, the output end of the radio frequency switch is connected with the input end of the numerical control attenuator, the output end of the numerical control attenuator is connected with the input end of the second low-noise amplifier, and the output end of the second low-noise amplifier is connected with the input end;
the radio frequency module comprises a main control chip, a storage unit and a receiving unit, wherein the storage unit and the receiving unit are respectively connected with the main control chip, the storage unit is used for storing preset information, the receiving unit is used for receiving the electromagnetic wave signal, and the electromagnetic wave signal comprises the preset information;
the receiving unit comprises a receiving antenna, a signal processing module and a wireless Mesh network self-organizing module for providing a wireless Mesh network self-organizing function; the output end of the receiving antenna is connected with the input end of the wireless Mesh network self-organizing module, the input end of the signal processing module is connected with the output end of the wireless Mesh network self-organizing module, and the output end of the signal processing module is connected with the input end of the main control chip and outputs the received electromagnetic wave signal to the main control chip;
and the transmitting unit of the remote communication module is in communication connection with the receiving unit of the radio frequency module and is used for acquiring the preset information.
2. A radio frequency communication system according to claim 1, wherein the limiter is of the type BW 481.
3. A radio frequency communication system according to claim 1, wherein the band pass filter is of the type BPF-2G-6G.
4. A radio frequency communication system according to claim 1, wherein the digitally controlled attenuator is of the type HMC 939.
5. A radio frequency communication system according to claim 1, wherein the first low noise amplifier is of the type HMC-ALH444 and the second low noise amplifier is of the type HMC 465.
6. A radio frequency communication system according to claim 1, wherein the de-encryption module is an SSX0902 reconfigurable secure processor with reconfiguration logic technology.
7. A radio frequency communication system according to claim 1, wherein said radio frequency switch is of the type HMC 347.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449981.5U CN211429327U (en) | 2020-07-21 | 2020-07-21 | Radio frequency communication system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021449981.5U CN211429327U (en) | 2020-07-21 | 2020-07-21 | Radio frequency communication system |
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| Publication Number | Publication Date |
|---|---|
| CN211429327U true CN211429327U (en) | 2020-09-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202021449981.5U Active CN211429327U (en) | 2020-07-21 | 2020-07-21 | Radio frequency communication system |
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| CN (1) | CN211429327U (en) |
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- 2020-07-21 CN CN202021449981.5U patent/CN211429327U/en active Active
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Effective date of registration: 20231127 Address after: No.4, 1st floor, building 6, No.22, Xinwen Road, high tech Zone, Chengdu, Sichuan 610000 Patentee after: KSW TECHNOLOGIES CO.,LTD. Address before: 610000 No. 16, floor 6, building 4, No. 77, Shunjiang section, Wuhou Avenue, Wuhou District, Chengdu, Sichuan Patentee before: Chengdu air network Zhilian Technology Co.,Ltd. |
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