CN113890616B - Gigabit information transmission processing system and processing method of optical fiber-coaxial broadband - Google Patents
Gigabit information transmission processing system and processing method of optical fiber-coaxial broadband Download PDFInfo
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- CN113890616B CN113890616B CN202111298899.6A CN202111298899A CN113890616B CN 113890616 B CN113890616 B CN 113890616B CN 202111298899 A CN202111298899 A CN 202111298899A CN 113890616 B CN113890616 B CN 113890616B
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04B—TRANSMISSION
- H04B10/00—Transmission systems employing electromagnetic waves other than radio-waves, e.g. infrared, visible or ultraviolet light, or employing corpuscular radiation, e.g. quantum communication
- H04B10/25—Arrangements specific to fibre transmission
- H04B10/2575—Radio-over-fibre, e.g. radio frequency signal modulated onto an optical carrier
- H04B10/25752—Optical arrangements for wireless networks
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/04—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks
- H04L63/0428—Network architectures or network communication protocols for network security for providing a confidential data exchange among entities communicating through data packet networks wherein the data content is protected, e.g. by encrypting or encapsulating the payload
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L9/00—Cryptographic mechanisms or cryptographic arrangements for secret or secure communications; Network security protocols
- H04L9/08—Key distribution or management, e.g. generation, sharing or updating, of cryptographic keys or passwords
- H04L9/0861—Generation of secret information including derivation or calculation of cryptographic keys or passwords
- H04L9/0866—Generation of secret information including derivation or calculation of cryptographic keys or passwords involving user or device identifiers, e.g. serial number, physical or biometrical information, DNA, hand-signature or measurable physical characteristics
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02D—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE
- Y02D30/00—Reducing energy consumption in communication networks
- Y02D30/70—Reducing energy consumption in communication networks in wireless communication networks
Abstract
The invention discloses a gigabit information transmission processing system and a gigabit information transmission processing method based on an optical fiber-coaxial broadband. The system comprises a signal transceiver, a broadband converter and a data encryption unit: the broadband converter is connected with the signal transceiver and the data encryption unit at the same time, the signal transceiver is used for receiving an optical fiber input signal input through an optical fiber and inputting the optical fiber input signal to the broadband converter, the broadband converter is used for converting the optical fiber signal, and the data encryption unit is used for encrypting the signal from the broadband converter and outputting the signal through the broadband converter. According to the information transmission processing system, the signal transceiver receives the signal and inputs the signal into the broadband converter for conversion, the signal is encrypted by the data encryption unit and then output by the broadband converter, the transmission quality and the safety of data information in the transmission process can be greatly improved, and the broadband coverage requirement of a traditional coaxial cable user can be met.
Description
Technical Field
The invention relates to the technical field of information transmission equipment, in particular to a gigabit information transmission processing system and method of an optical fiber-coaxial broadband.
Background
With the popularization and rapid development of the internet, the data information is increasingly transmitted by relying on network communication technology in daily life, for example, a home or an office usually needs to access a terminal device to a wide area internet through a broadband connection. The existing data information transmission method based on broadband connection connects the terminal equipment with the router through wired connection or wireless connection, however, as users put forward higher and higher requirements on communication speed, communication quality and user-to-user bandwidth, the data information transmitted by the existing data information transmission method is easily illegally acquired by other users or easily interfered by other environmental factors, and the problem of low transmission speed exists, for example, ultra-high definition (8K @60Hz) video images cannot be transmitted, so the requirements on high quality and high speed transmission of information cannot be met. Therefore, the existing data information transmission method has the problem of low transmission quality.
Disclosure of Invention
The embodiment of the invention provides an optical fiber-coaxial broadband gigabit information transmission processing system, aiming at solving the problem of low transmission bandwidth of the existing data information transmission method.
The invention is realized by the following technical scheme: the embodiment of the invention provides an optical fiber-coaxial broadband gigabit information transmission processing system, which comprises a signal transceiver, a broadband converter and a data encryption unit, wherein the signal transceiver is connected with the broadband converter through a network; the broadband converter is simultaneously connected with the signal transceiver and the data encryption unit, the signal transceiver is used for receiving an optical fiber input signal input through an optical fiber and inputting the optical fiber input signal to the broadband converter, the broadband converter is used for converting the optical fiber signal, and the data encryption unit is used for encrypting the signal from the broadband converter and outputting the signal through the broadband converter;
the signal transceiver comprises an optical fiber connection port and an optical fiber signal transceiver which are connected, the optical fiber connection port is used for connecting an optical fiber and acquiring an optical fiber input signal to be transmitted to the optical fiber signal transceiver, the optical fiber signal transceiver is used for receiving the optical fiber input signal and outputting the optical fiber input signal to the broadband converter, and meanwhile, the optical fiber signal transceiver can receive an output signal of the broadband converter and output the output signal through the optical fiber connection port;
the broadband converter comprises a photoelectric conversion unit, a digital-to-analog conversion unit, a radio frequency coaxial connection port and a wireless transmission antenna, wherein the digital-to-analog conversion unit is simultaneously connected with the photoelectric conversion unit, the radio frequency coaxial connection port and the wireless transmission antenna;
the data encryption unit comprises a coaxial network controller SoC and a PUF chip which are connected, the coaxial network controller SoC is connected with the photoelectric conversion unit and the digital-to-analog conversion unit, the PUF chip is used for generating an encryption key and outputting the encryption key to the coaxial network controller SoC, and the coaxial network controller SoC is used for encrypting a digital signal from the photoelectric conversion unit according to the encryption key to obtain an encrypted digital signal and transmitting the encrypted digital signal to the digital-to-analog conversion unit.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the broadband converter further comprises a local area network connection port; the local area network connection port is connected with the coaxial network controller SoC;
the local area network connection port is used for receiving and outputting the encrypted digital signal from the coaxial network controller SoC.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the broadband converter further comprises a 5G signal processor and a 5G antenna, and the 5G signal processor is connected with the coaxial network controller SoC;
the 5G signal processor is used for performing 5G conversion on the encrypted digital signal from the coaxial network controller SoC to obtain a 5G signal and outputting the 5G signal to the 5G antenna; the 5G antenna is used for wirelessly transmitting the 5G signal from the 5G signal processor.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the optical fiber signal transceiver comprises a PA (power amplifier) switching module, a LNA (low-noise amplifier) switching module and a T/R (transmitter/receiver) switching module.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the photoelectric conversion unit comprises an uplink converter and a downlink converter;
the downlink converter is connected with a downlink processing unit of the optical fiber signal transceiver and is used for receiving an optical fiber input signal from the downlink processing unit and converting the optical fiber input signal into a corresponding digital signal;
the uplink converter is connected with the uplink processing unit of the optical fiber signal transceiver and used for receiving the output signal, converting the output signal into a corresponding optical fiber output signal and outputting the optical fiber output signal through the uplink processing unit.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the broadband converter further comprises a control chip, and the control chip is respectively connected with the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter and the downlink converter;
the control chip is used for acquiring the working state information of the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter and the downlink converter and sending a control instruction to control the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter and the downlink converter.
The optical fiber-coaxial broadband gigabit information transmission processing system is characterized in that the PUF chip is constructed based on a cross-coupled current comparator.
A method for processing gigabit information transmission in optical fiber-coaxial broadband, wherein the method is applied to the system for processing gigabit information transmission in optical fiber-coaxial broadband according to the first aspect, and the method comprises:
if an optical fiber input signal is received, carrying out conversion processing on the optical fiber input signal to obtain a digital signal;
judging whether the digital signal is output by the radio frequency coaxial connecting port or not;
if the digital signal is output by the radio frequency coaxial connecting port, converting the digital signal into a radio frequency signal and outputting the radio frequency signal through the radio frequency coaxial connecting port;
if the digital signal is not output by the radio frequency coaxial connection port, encrypting the digital signal to obtain an encrypted digital signal;
and converting the encrypted digital signal to obtain a corresponding radio frequency signal and outputting the radio frequency signal.
The method for processing gigabit information transmission of the optical fiber-coaxial broadband, wherein the determining whether the digital signal is output by the rf coaxial connection port includes:
and judging whether the output address of the digital signal is matched with a preset address type or not so as to judge whether the digital signal is output by the radio frequency coaxial connection port or not.
The gigabit information transmission processing method of the optical fiber-coaxial broadband, wherein the encrypting the digital signal to obtain an encrypted digital signal includes:
randomly generating an encryption key through a PUF chip;
calculating the encryption key according to a preset key calculation rule to obtain a public key corresponding to the encryption key;
encrypting the digital signal according to the encryption key to obtain an encrypted signal;
and combining the public key and the encrypted signal to be used as the encrypted digital signal.
The embodiment of the invention provides a gigabit information transmission processing system and a gigabit information transmission processing method of an optical fiber-coaxial broadband, wherein the gigabit information transmission processing system comprises a signal transceiver, a broadband converter and a data encryption unit: the broadband converter is connected with the signal transceiver and the data encryption unit at the same time, the signal transceiver is used for receiving an optical fiber input signal input through an optical fiber and inputting the optical fiber input signal to the broadband converter, the broadband converter is used for converting the optical fiber signal, and the data encryption unit is used for encrypting the signal from the broadband converter and outputting the signal through the broadband converter. The optical fiber-coaxial broadband gigabit information transmission processing system receives signals through the signal transceiver, inputs the signals into the broadband converter for conversion, encrypts the signals through the data encryption unit and outputs the encrypted signals through the broadband converter, and therefore transmission quality and transmission safety of data information in the transmission process can be greatly improved.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.
Fig. 1 is a schematic structural diagram of a fiber-coaxial broadband gigabit information transmission processing system according to an embodiment of the present invention;
fig. 2 is a schematic partial structural diagram of a fiber-coaxial broadband gigabit information transmission processing system according to an embodiment of the present invention;
fig. 3 is a schematic flowchart of a method for processing gigabit information transmission in optical fiber-coaxial broadband according to an embodiment of the present invention.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It will be understood that the terms "comprises" and/or "comprising," when used in this specification and the appended claims, specify the presence of stated features, integers, steps, operations, elements, and/or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and/or groups thereof.
It is also to be understood that the terminology used in the description of the invention herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the invention. As used in the specification of the present invention and the appended claims, the singular forms "a," "an," and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.
It should be further understood that the term "and/or" as used in this specification and the appended claims refers to and includes any and all possible combinations of one or more of the associated listed items.
Referring to fig. 1 and fig. 2, fig. 1 is a schematic structural diagram of a fiber-coaxial broadband gigabit information transmission processing system according to an embodiment of the present invention; fig. 2 is a schematic partial structural diagram of a fiber-coaxial broadband gigabit information transmission processing system according to an embodiment of the present invention. As shown in the figure, the system for processing gigabit information transmission of fiber-coaxial broadband comprises a signal transceiver 10, a broadband converter 20 and a data encryption unit 30: the broadband converter 20 is connected to the signal transceiver 10 and the data encryption unit 30, the signal transceiver 10 is configured to receive an optical fiber input signal input through an optical fiber and input the optical fiber input signal to the broadband converter 20, the broadband converter 20 is configured to convert the optical fiber signal, and the data encryption unit 30 is configured to encrypt a signal from the broadband converter and output the signal through the broadband converter. The information transmission system can be used as communication transmission equipment in a home or an office, wherein the signal transceiver 10 is connected with an optical fiber, and the signal transceiver 10 is used for receiving an optical fiber input signal and transmitting a signal to be output to the optical fiber for output. The broadband converter 20 is used for connecting with other terminal devices to output signals to the terminal devices or receive signals from the terminal devices.
The signal transceiver 10 includes an optical fiber connection port 11 and an optical fiber signal transceiver 12, which are connected to each other, where the optical fiber connection port 11 is used to connect an optical fiber and obtain an optical fiber input signal to be transmitted to the optical fiber signal transceiver 12, and the optical fiber signal transceiver 12 is used to receive the optical fiber input signal and output the optical fiber input signal to the broadband converter, and at the same time, may receive an output signal of the broadband converter 20 and output the output signal through the optical fiber connection port 11. The broadband converter 20 is a high-performance broadband converter 20, the optical fiber connection port 11 can be used for connecting optical fibers, and can transmit 1310nm and 1490nm optical fiber signals, and can transmit ultra-high definition (8K @60Hz) video images, so that the transmission bandwidth is greatly improved, the efficiency of data transmission processing is improved, and meanwhile, the problems of home bandwidth expansion (to 1000M) and indoor ultra-wideband coverage pain points of the existing stock market (a large number of users using traditional coaxial cables) are solved.
The broadband converter 20 includes a photoelectric conversion unit 21, a digital-to-analog conversion unit 22, a radio frequency coaxial connection port 23, and a wireless transmission antenna 24, where the digital-to-analog conversion unit 22 is simultaneously connected to the photoelectric conversion unit 21, the radio frequency coaxial connection port 23, and the wireless transmission antenna 24, the photoelectric conversion unit 21 is configured to convert an optical fiber input signal input by the signal transceiver 10 into a digital signal, the digital-to-analog conversion unit 22 is configured to convert the digital signal into a radio frequency signal, the radio frequency coaxial connection port 23 is configured to connect a coaxial cable to output the radio frequency signal, and the wireless transmission antenna 24 is configured to obtain the radio frequency signal for wireless transmission. The radio frequency coaxial connection port 23 may be connected to a terminal device such as a smart television, a large screen display, a monitor, and an interactive electronic whiteboard through a coaxial cable, and then the radio frequency signal may be transmitted to other terminal devices through the coaxial cable through the radio frequency coaxial connection port 23. The shielding performance of the coaxial cable is very good, the coaxial cable can send radio frequency signals to avoid interference of external factors, and meanwhile, the signals can be prevented from being illegally acquired by others in the transmission process, so that the transmission quality and the transmission safety of data information in the transmission process are improved. The wireless transmission antenna 24 can be in wireless network connection with intelligent terminal devices such as mobile phones, notebook computers and tablet computers, the wireless transmission antenna 24 can wirelessly transmit radio frequency signals obtained by converting encrypted digital signals, and the wireless transmission antenna 24 can also receive data information sent by other terminal devices and transmit the data information to the digital-to-analog conversion unit 22 for conversion. Because the radio frequency signal is converted from the encrypted digital signal, the safety of the data information in the transmission process can be greatly improved. In addition, the gigabit information transmission processing system of the fiber-coax broadband further comprises a channelizer, a MAC/PHY module and a high-speed transmission interface, wherein the channelizer is a device for channelizing and converting data information, and the MAC/PHY module can output the channelized and converted data information through the high-speed transmission interface based on a MAC/PHY protocol.
The data encryption unit 30 includes a PUF chip 31 and a coaxial network controller SoC32 connected to each other, the coaxial network controller SoC32 is connected to the photoelectric conversion unit 21 and the digital-to-analog conversion unit 22, the PUF chip 31 is configured to generate an encryption key and output the encryption key to the coaxial network controller SoC32, and the coaxial network controller SoC32 is configured to encrypt a digital signal from the photoelectric conversion unit 21 according to the encryption key to obtain an encrypted digital signal, and transmit the encrypted digital signal to the digital-to-analog conversion unit 22. The PUF chip is a Physically Unclonable Function (PUF) chip, and may randomly generate an encryption key, specifically, the PUF chip is a PUF chip constructed based on a cross-coupled current comparator, and may include a matrix formed by N × M cross-coupled current comparators, each cross-coupled current comparator may include a plurality of transistors, and the PUF chip may be manufactured by a Complementary Metal-Oxide-Semiconductor (CMOS) manufacturing process based on a silicon-based material, and due to a deviation of a Semiconductor manufacturing process, the resistance values of two transistors in the cross-coupled current comparator may have an inherent difference, which may cause a change in current after power-on, and a comparison result may be obtained by comparing a difference between coupling currents of the two transistors, and further binarizes the comparison result into "0" or "1". Each PUF chip can obtain a numerical matrix containing NxM binary numerical values, and corresponding binary numerical values are obtained from the numerical matrix and combined to obtain the encryption key. The PUF chip 31 may transmit the generated encryption key to the coaxial network controller SoC32, the coaxial network controller SoC32 may encrypt the digital signal based on the encryption key to obtain an encrypted digital signal, and transmit the encrypted digital signal to the digital-to-analog conversion unit 22, and the coaxial network controller SoC32 may also decrypt data information from other terminals or from the digital-to-analog conversion unit 22 to obtain decryption information, and transmit the decryption information to the photoelectric conversion unit 21.
For example, a matrix composed of 16 × 32 cross-coupled current comparators may be provided, if the encryption key to be obtained is 32 bytes (256 bits), a 32-bit (4-byte) character string may be obtained by randomly obtaining a comparison result of one comparator from each column based on 16 comparators included in each 32 columns, and repeating the above step 8 times to finally obtain the 32-byte encryption key, and the probability that the 32-bit character strings obtained by two times of obtaining are repeated is extremely small because of the random obtaining method.
In a more specific embodiment, the broadband converter 20 further comprises a local area network connection port 25; the local area network connection port 25 is connected with the coaxial network controller SoC 32; the lan connection port 25 is configured to receive the encrypted digital signal from the coaxial network controller SoC32 for output. The lan connection port 25 may be connected to an intelligent terminal device such as a mobile phone, a notebook computer, or a tablet computer in a wired manner, and the lan connection port 25 may output an encrypted digital signal input by the coaxial network controller SoC32 to the terminal device, or may output data information input by the terminal device to the coaxial network controller SoC for decryption.
In a more specific embodiment, the broadband converter 20 further includes a 5G signal processor 26 and a 5G antenna 27, the 5G signal processor 26 is connected to the coaxial network controller SoC 32; the 5G signal processor 26 is configured to perform 5G conversion on the encrypted digital signal from the coaxial network controller SoC32 to obtain a 5G signal, and output the 5G signal to the 5G antenna 27; the 5G antenna 27 is used for wireless transmission of the 5G signal from the 5G signal processor 26. The 5G signal processor 26 and the 5G antenna 27 may constitute a 5G micro base station, for example, a 5G micro base station with a coverage range of 40-100 m may be constructed based on the 5G signal processor 26 and the 5G antenna 27, and the output power during operation is 3-15W. 5G signal processor 26 is used for converting the encryption digital signal into the 5G signal, 5G antenna 27 can be used for with 5G signal wireless transmission to other terminal equipment, 5G antenna 27 also can obtain 5G data information from other terminal equipment and convert this 5G data information into the data information that corresponds with this 5G data information through 5G signal processor 26, receive and send the encryption digital signal through 5G antenna 27, can improve information transmission's speed by a wide margin, compare in transmitting data information through the WIFI antenna, 5G antenna can improve 5-50 times data information's transmission speed.
In a more specific embodiment, the broadband converter 20 further includes a bluetooth antenna 28, the bluetooth antenna 28 is connected to the coaxial network controller SoC32, and the bluetooth antenna 28 is configured to receive the encrypted digital signal from the coaxial network controller SoC32 and perform bluetooth transmission. The bluetooth antenna 28 can be connected with other bluetooth devices such as a bluetooth headset and a bluetooth sound box via bluetooth, and the bluetooth antenna 28 can receive the encrypted digital signal from the coaxial network controller SoC32 and transmit the encrypted digital signal to the bluetooth device for playing.
In a more specific embodiment, the photoelectric conversion unit 21 includes an up converter 211 and a down converter 212; the downlink converter 212 is connected to the downlink processing unit 122 of the optical fiber signal transceiver 12, and is configured to receive an optical fiber input signal from the downlink processing unit 122 and convert the optical fiber input signal into a corresponding digital signal; the uplink converter 211 is connected to the uplink processing unit 121 of the optical fiber signal transceiver 12, and is configured to receive an output signal, convert the output signal into a corresponding optical fiber output signal, and output the optical fiber output signal through the uplink processing unit 121, the downlink processing unit 122 of the optical fiber signal transceiver 12 is configured to receive an optical fiber input signal and transmit the optical fiber input signal to the downlink converter 212, the downlink converter 212 is configured to convert the optical fiber input signal into a corresponding digital signal, the uplink converter 211 is configured to receive the output signal and convert the output signal into an optical fiber output signal, the optical fiber output signal is further transmitted to the uplink processing unit 121 and output the optical fiber output signal through an optical fiber connection port, where the optical fiber signal transceiver 12 further includes a PA switching unit, an LNA switching unit, and a T/R switching unit, and the PA switching unit is a transmission unit that performs data switching based on a PA mechanism, the LNA switching unit is a transmission unit for performing data interaction based on the LNA mechanism, and the T/R interaction unit is a transmission unit for performing data interaction based on the T/R mechanism, that is, the optical fiber signal transceiver 12 integrates the PA, the LNA and the T/R switch. Specifically, the broadband converter 20 further includes a control chip 29, and the control chip 29 is respectively connected to the coaxial network controller SoC32, the digital-to-analog conversion unit 22, the uplink converter 211, and the downlink converter 212; the control chip 29 is configured to obtain operating state information of the coaxial network controller SoC32, the digital-to-analog conversion unit 22, the uplink converter 211, and the downlink converter 212, and send a control instruction to control the coaxial network controller SoC32, the digital-to-analog conversion unit 22, the uplink converter 211, and the downlink converter 212. Specifically, the control chip 29 may be connected to the coaxial network controller SoC32, the digital-to-analog conversion unit 22, the uplink converter 211, and the downlink converter 212 through an RGMII (reduced gigabit media independent interface), where the RGMII interfaces all adopt 4-bit data interfaces, a working clock is 125MHz, and uplink data transmission and downlink data transmission may be performed simultaneously, and a transmission rate may reach 1000 Mbps. The control chip 29 can be used for monitoring the working state information of the corresponding component and performing data interaction with the corresponding component, for example, information such as data transmission speed, hardware resource occupation ratio, working mode and the like can be acquired, and the control chip 29 can also send out a control instruction to control the corresponding component.
The embodiment of the invention also provides a gigabit information transmission processing method of the optical fiber-coaxial broadband, which is applied to any embodiment of the gigabit information transmission processing system of the optical fiber-coaxial broadband. Specifically, please refer to fig. 3, where fig. 3 is a schematic flow chart of a gigabit information transmission processing method of an optical fiber-coaxial broadband according to an embodiment of the present invention.
As shown in fig. 3, the method for processing gigabit information transmission in fiber-coaxial broadband includes steps S110 to S150.
And S110, if the optical fiber input signal is received, converting the optical fiber input signal to obtain a digital signal.
If the optical fiber input signal is received through the signal transceiver, the optical fiber input signal can be converted through the photoelectric conversion unit to obtain a digital signal.
And S120, judging whether the digital signal is output by the radio frequency coaxial connecting port.
The method can judge whether the digital signal is output by a radio frequency coaxial connection port, specifically, the digital signal comprises a corresponding output address, the output address is address information of a destination terminal which needs to be transmitted by the digital signal, the address information comprises a specific type, and whether the output address of the digital signal is matched with a preset address type can be judged so as to judge whether the digital signal is output by the radio frequency coaxial connection port. If the output address is matched with the preset address type, the digital signal is judged to be output by the radio frequency coaxial connecting port, and if the output address is not matched with the preset address type, the digital signal is judged not to be output by the radio frequency coaxial connecting port.
S130, if the digital signal is output by the radio frequency coaxial connecting port, converting the digital signal into a radio frequency signal and outputting the radio frequency signal through the radio frequency coaxial connecting port; and S140, if the digital signal is not output by the radio frequency coaxial connection port, encrypting the digital signal to obtain an encrypted digital signal.
If the digital signal is judged to be output by the radio frequency coaxial connection port, the digital signal is converted into a radio frequency signal through the digital-to-analog conversion unit and is output through the radio frequency coaxial connection port; if the digital signal obtained by judgment is not output by the radio frequency coaxial connection port, the digital signal can be output to the coaxial network controller SoC for encryption to obtain an encrypted digital signal.
In a more specific embodiment, step S140 specifically includes: randomly generating an encryption key through a PUF chip; calculating the encryption key according to a preset key calculation rule to obtain a public key corresponding to the encryption key; encrypting the digital signal according to the encryption key to obtain an encrypted signal; and combining the public key and the encrypted signal to be used as the encrypted digital signal. The encryption key may be randomly generated by the PUF chip and may be 32 bytes or 64 bytes in length. The encryption key may be calculated by a key calculation rule, for example, an elliptic curve calculation formula to obtain a corresponding public key, and the length of the public key may be 65 bytes or 33 bytes. And encrypting the digital signal according to the encryption key, for example, encrypting the digital signal based on AES-256 to obtain a corresponding encrypted signal, and combining the public key and the encrypted signal to obtain the encrypted digital signal, for example, placing the public key at the head or the tail of the encrypted signal to obtain the encrypted digital signal.
S150, converting the encrypted digital signals to obtain corresponding radio frequency signals and outputting the radio frequency signals.
The obtained encrypted digital signal can be converted into a radio frequency signal through a digital-to-analog conversion unit, and wireless transmission is carried out through a wireless transmission antenna.
The embodiment of the invention provides a gigabit information transmission processing system and a gigabit information transmission processing method of an optical fiber-coaxial broadband, wherein the gigabit information transmission processing system comprises a signal transceiver, a broadband converter and a data encryption unit: the broadband converter is connected with the signal transceiver and the data encryption unit at the same time, the signal transceiver is used for receiving an optical fiber input signal input through an optical fiber and inputting the optical fiber input signal to the broadband converter, the broadband converter is used for converting the optical fiber signal, and the data encryption unit is used for encrypting the signal from the broadband converter and outputting the signal through the broadband converter. The optical fiber-coaxial broadband gigabit information transmission processing system receives signals through the signal transceiver, inputs the signals into the broadband converter for conversion, encrypts the signals through the data encryption unit and outputs the encrypted signals through the broadband converter, and therefore transmission quality and transmission safety of data information in the transmission process can be greatly improved.
While the invention has been described with reference to specific embodiments, the invention is not limited thereto, and various equivalent modifications and substitutions can be easily made by those skilled in the art within the technical scope of the invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.
Claims (10)
1. A gigabit information transmission processing system of optical fiber-coaxial broadband is characterized by comprising a signal transceiver, a broadband converter and a data encryption unit;
the broadband converter is simultaneously connected with the signal transceiver and the data encryption unit, the signal transceiver is used for receiving an optical fiber input signal input through an optical fiber and inputting the optical fiber input signal to the broadband converter, the broadband converter is used for converting the optical fiber signal, and the data encryption unit is used for encrypting the signal from the broadband converter and outputting the signal through the broadband converter;
the signal transceiver comprises an optical fiber connection port and an optical fiber signal transceiver which are connected, the optical fiber connection port is used for connecting an optical fiber and acquiring an optical fiber input signal to be transmitted to the optical fiber signal transceiver, the optical fiber signal transceiver is used for receiving the optical fiber input signal and outputting the optical fiber input signal to the broadband converter, and meanwhile, the optical fiber signal transceiver can receive an output signal of the broadband converter and output the output signal through the optical fiber connection port;
the broadband converter comprises a photoelectric conversion unit, a digital-to-analog conversion unit, a radio frequency coaxial connection port and a wireless transmission antenna, wherein the digital-to-analog conversion unit is simultaneously connected with the photoelectric conversion unit, the radio frequency coaxial connection port and the wireless transmission antenna;
the data encryption unit comprises a coaxial network controller SoC and a PUF chip which are connected, the coaxial network controller SoC is connected with the photoelectric conversion unit and the digital-to-analog conversion unit, the PUF chip is used for generating an encryption key and outputting the encryption key to the coaxial network controller SoC, and the coaxial network controller SoC is used for encrypting a digital signal from the photoelectric conversion unit according to the encryption key to obtain an encrypted digital signal and transmitting the encrypted digital signal to the digital-to-analog conversion unit.
2. The gigabit information transport processing system for fiber-coaxial broadband of claim 1, wherein the broadband switch further comprises a local area network connection port; the local area network connection port is connected with the coaxial network controller SoC;
the local area network connection port is used for receiving and outputting the encrypted digital signal from the coaxial network controller SoC.
3. The gigabit information transmission system of claim 1 wherein the broadband converter further comprises a 5G signal processor and a 5G antenna, the 5G signal processor being connected to the coaxial network controller SoC;
the 5G signal processor is used for performing 5G conversion on the encrypted digital signal from the coaxial network controller SoC to obtain a 5G signal and outputting the 5G signal to the 5G antenna; the 5G antenna is used for wirelessly transmitting the 5G signal from the 5G signal processor.
4. The gigabit information transmission system of claim 1, wherein the fiber signal transceiver comprises a PA switch module, a LNA switch module, and a T/R switch module.
5. The gigabit information transmission system of claim 1, wherein the optical-electrical conversion unit comprises an upstream converter and a downstream converter;
the downlink converter is connected with a downlink processing unit of the optical fiber signal transceiver and used for receiving an optical fiber input signal from the downlink processing unit and converting the optical fiber input signal into a corresponding digital signal;
the uplink converter is connected with the uplink processing unit of the optical fiber signal transceiver and used for receiving the output signal, converting the output signal into a corresponding optical fiber output signal and outputting the optical fiber output signal through the uplink processing unit.
6. The gigabit information transmission system of claim 5, wherein the broadband converter further comprises a control chip, and the control chip is connected to the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter, and the downlink converter, respectively;
the control chip is used for acquiring the working state information of the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter and the downlink converter and sending a control instruction to control the coaxial network controller SoC, the digital-to-analog conversion unit, the uplink converter and the downlink converter.
7. The fiber-coaxial broadband gigabit information transmission processing system according to claim 1, wherein the PUF chip is a PUF chip constructed based on cross-coupled current comparators.
8. A method for processing gigabit information transmission of optical fiber-coaxial broadband, the method being applied to the system for processing gigabit information transmission of optical fiber-coaxial broadband according to one of claims 1 to 7, the method comprising:
if an optical fiber input signal is received, carrying out conversion processing on the optical fiber input signal to obtain a digital signal;
judging whether the digital signal is output by the radio frequency coaxial connecting port or not;
if the digital signal is output by the radio frequency coaxial connecting port, converting the digital signal into a radio frequency signal and outputting the radio frequency signal through the radio frequency coaxial connecting port;
if the digital signal is not output by the radio frequency coaxial connection port, encrypting the digital signal to obtain an encrypted digital signal;
and converting the encrypted digital signal to obtain a corresponding radio frequency signal and outputting the radio frequency signal.
9. The method for processing gigabit information transmission in optical fiber-coaxial broadband according to claim 8, wherein the determining whether the digital signal is output from the rf coaxial connection port comprises:
and judging whether the output address of the digital signal is matched with a preset address type or not so as to judge whether the digital signal is output by the radio frequency coaxial connection port or not.
10. The method for processing gigabit information transmission over fiber-coaxial broadband according to claim 8, wherein the encrypting the digital signal to obtain an encrypted digital signal comprises:
randomly generating an encryption key through a PUF chip;
calculating the encryption key according to a preset key calculation rule to obtain a public key corresponding to the encryption key;
encrypting the digital signal according to the encryption key to obtain an encrypted signal;
and combining the public key and the encrypted signal to be used as the encrypted digital signal.
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| CN108702238A (en) * | 2016-02-16 | 2018-10-23 | 英特尔Ip公司 | Uplink control information and data are physically multiplexed on ink Shared Channel |
| CN113454918A (en) * | 2019-02-22 | 2021-09-28 | 美光科技公司 | Wireless communication using multiply/accumulate unit layer mixing processing mode selection specific coefficient data |
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| CN108702238A (en) * | 2016-02-16 | 2018-10-23 | 英特尔Ip公司 | Uplink control information and data are physically multiplexed on ink Shared Channel |
| CN113454918A (en) * | 2019-02-22 | 2021-09-28 | 美光科技公司 | Wireless communication using multiply/accumulate unit layer mixing processing mode selection specific coefficient data |
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