HPLC dual-mode communication transmission method and system

Abstract

The invention discloses an HPLC (High Performance Liquid Chromatography) dual-mode communication transmission method and system. The method comprises the steps that a communication transmission channel is divided into two-row channels, the two-row channels comprise an uplink channel and a downlink channel, the uplink channel transmits information in a wireless communication mode, and the downlink channel transmits information in a mild wireless communication and carrier communication mode; and carrying out fusion processing on the information of the double-row channel by utilizing a frequency division multiplexing model so as to carry out signal transmission. By implementing the method provided by the invention, the information transmission process can be simplified, the information transmission of the hybrid technology is realized, and the information transmission flexibility is improved while the information transmission stability is ensured.

Description

Technical Field

[0001] The invention relates to a communication transmission method, and more specifically to a HPLC dual-mode communication transmission method and system. Background Art

[0002] In the current communication field, HPLC (power line carrier communication, High-Speed ​​Power Line Communication) technology is widely used. For example, Chinese patent CN110557171A discloses an HPLC communication system and communication method, including: presetting the maximum power consumption threshold per hour of electrical appliances such as refrigerators, air conditioners, computers, televisions, and water heaters. When the device is powered on, the generated voltage, current, power and other electrical energy parameters are transmitted to the smart meter through the power line as a carrier. These electrical energy parameters are then transmitted to the acquisition terminal or controller through the power line. The acquisition terminal or controller will monitor the electrical energy parameters of each device in real time according to the previously set threshold, especially the power consumption per hour. If the power consumption of a certain device exceeds the set threshold, the system will trigger an alarm, and analyze the power consumption of the device through the acquisition terminal or controller, and then send the device information with abnormal power consumption to the control panel to remind the user that the power consumption of the device is abnormal. The user can view the detailed data of the current, voltage, power, power consumption, etc. of the device through the control panel, and judge whether the device has leakage or aging problems based on these data, resulting in increased power consumption. The user can also choose whether to report the device for repair. When the power consumption of the device exceeds the set threshold, the controller will upload the power data of the device to the database, and this data will be used for subsequent comparative analysis of power consumption. The system also supports the generation of power consumption reports, and users can query the power parameters of each device. If necessary, users can also manually choose whether to display this data on the control panel. The power parameters generated by all devices after power on are transmitted to the pre-installed smart meter through the power line, and then the signal is amplified by the coupler through the acquisition terminal, and the information is transmitted to the concentrator. The concentrator transmits the information to the power supply company terminal and the property management center through the optical fiber channel. When the system fails, the terminal of the power supply company or the property management center can automatically adjust the voltage meter parameters through the Internet.

[0003] However, this method relies on a single power line carrier mode during information transmission, which makes information transmission more cumbersome and difficult to ensure the security and stability of information.

[0004] Therefore, it is necessary to design a new method to simplify the information transmission process and realize information transmission of hybrid technology, which improves the flexibility of information transmission while ensuring the stability of information transmission. Summary of the invention

[0005] The purpose of the present invention is to overcome the defects of the prior art and provide a HPLC dual-mode communication transmission method and system.

[0006] To achieve the above object, the present invention adopts the following technical solution: a HPLC dual-mode communication transmission method, comprising:

[0007] Dividing the communication transmission channel into a dual-line channel, wherein the dual-line channel includes an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication;

[0008] The information of the dual-line channels is fused and processed using a frequency division multiplexing model to perform signal transmission.

[0009] A further technical solution is: the information of the two-line channel is fused and processed by using a frequency division multiplexing model to perform signal transmission, including:

[0010] During information transmission, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel;

[0011] The receiving end uses the frequency division multiplexing model to restore the original baseband information.

[0012] A further technical solution is as follows: during the information transmission process, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel, including:

[0013] At the transmitting end, a frequency division multiplexing fusion model is used to encode the baseband information and perform OFDM modulation processing, and the processed information is divided into two parts and transmitted to the receiving end through a dual-line channel.

[0014] The further technical solution is: at the transmitting end, the frequency division multiplexing fusion model is used to encode the baseband information and perform OFDM modulation processing, and the processed information is divided into two parts, which are transmitted to the receiving end through a dual-line channel, including:

[0015] At the transmitting end, the baseband information is encoded and OFDM modulated to generate the required modulation information;

[0016] Converting the modulation information into analog intermediate frequency information through a digital-to-analog converter;

[0017] The analog intermediate frequency information is divided into two paths, one of which is used for carrier channel transmission and the other is used for wireless channel transmission, and is transmitted to the receiving end through a double-line channel.

[0018] Its further technical solution is: for the carrier channel path, a power amplifier is used to enhance the signal strength and then transmitted through the power line; for the wireless channel path, the information is up-converted to 230MHz and transmitted through electromagnetic waves.

[0019] A further technical solution is that the receiving end uses a frequency division multiplexing model to restore the original baseband information, including:

[0020] The receiving end uses a frequency division multiplexing demodulation model to demodulate and filter the two-way information received from the dual-line channel and restore it to the original baseband information.

[0021] Its further technical solution is: in the information transmission process, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel, and also includes:

[0022] determining an optimal transmission path in the dual-row channel;

[0023] Select the sender and receiver of the best transmission path.

[0024] A further technical solution is: determining the best transmission path in the dual-line channel includes:

[0025] The channel with the strongest signal in the dual-line channel is selected through the RSSI strongest information judgment algorithm and the distributed real-time routing algorithm.

[0026] A further technical solution is: the RSSI strongest information judgment algorithm and the distributed real-time routing algorithm are used to select the channel with the strongest signal in the dual-line channel, including:

[0027] The resource status of the wireless side is sensed, dynamic diversion and switching control are used for joint optimization, link probes are deployed to observe the information strength of each point in the channel, and the quality of the end-to-end path is calculated to determine the channel with the strongest signal in the dual-line channel.

[0028] The present invention also provides an HPLC dual-mode communication transmission system, comprising:

[0029] A division unit, used to divide the communication transmission channel into two-line channels, wherein the two-line channels include an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication;

[0030] The signal transmission unit is used to perform fusion processing on the information of the two-line channels by using a frequency division multiplexing model to perform signal transmission.

[0031] Compared with the prior art, the beneficial effects of the present invention are as follows: the present invention divides the communication channel into uplink and downlink channels using different technologies, uses wireless communication for uplink, combines wireless and carrier communication for downlink, and integrates baseband information at the transmitting end using a frequency division multiplexing model. After encoding, OFDM modulation and digital-to-analog conversion, the information is synchronously transmitted through enhanced power lines and 230MHz electromagnetic waves respectively; the receiving end processes the received information using a frequency division multiplexing demodulation model to restore the original data. In addition, the best transmission path is dynamically selected through an RSSI strongest information judgment algorithm and a distributed real-time routing algorithm, ensuring that the channel with the best signal strength is selected, thereby ensuring the transmission quality. This method not only simplifies the information transmission process and realizes the effective integration of wired and wireless hybrid technologies, but also improves the stability and flexibility of information transmission.

[0032] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the accompanying drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the accompanying drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other accompanying drawings can be obtained based on these accompanying drawings without paying any creative work.

[0034] Figure 1 A schematic flow chart of a HPLC dual-mode communication transmission method provided by an embodiment of the present invention;

[0035] Figure 2 A schematic block diagram of an HPLC dual-mode communication transmission system provided in an embodiment of the present invention. DETAILED DESCRIPTION

[0036] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0037] It should be understood that when used in this specification and the appended claims, the terms "include" and "comprises" indicate the presence of described features, integers, steps, operations, elements and / or components, but do not exclude the presence or addition of one or more other features, integers, steps, operations, elements, components and / or combinations thereof.

[0038] It should also be understood that the terms used in this specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. As used in the specification of the present invention and the appended claims, unless the context clearly indicates otherwise, the singular forms "a", "an" and "the" are intended to include plural forms.

[0039] It should be further understood that the term "and / or" used in the present description and the appended claims refers to any and all possible combinations of one or more of the associated listed items, and includes these combinations.

[0040] See also Figure 1 , Figure 1 A schematic flow chart of an HPLC dual-mode communication transmission method provided in an embodiment of the present invention. A hybrid networking model with HPLC as the main method and wireless private network as the auxiliary method is applied to local communications. Information can be transmitted in two ways, HPLC and wireless. When the information is communicating at the sending end or the receiving end, the uplink channel uses wireless communication to transmit information, and the downlink channel uses a mixed method of wireless communication and carrier communication to communicate. Secondly, before the sending end needs to send information, the frequency division multiplexing model will merge the information in the two channels. After receiving the information, the receiving end also needs to use the frequency division multiplexing model to disassemble the information before it can read the information normally, ensuring the flexibility of the communication method and the stability of the performance parameters of the communication equipment, being more adapted to existing communication needs, and improving the stability and security of information during transmission.

[0041] Figure 1 FIG. 1 is a flow chart of a HPLC dual-mode communication transmission method provided by an embodiment of the present invention. Figure 1 As shown, the method includes the following steps S110 to S120.

[0042] S110. Divide the communication transmission channel into a dual-line channel, wherein the dual-line channel includes an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication.

[0043] In this embodiment, in order to improve the security and efficiency of information transmission, the communication transmission channel is divided into two independent channels, namely an uplink channel and a downlink channel. This design not only takes into account the information transmission requirements in different directions, but also enhances the flexibility and security of the system by adopting different transmission modes.

[0044] The uplink channel refers to the path for sending information from terminal devices (such as user terminals, sensor nodes, etc.) to central stations (such as data processing centers, management servers, etc.).

[0045] In this embodiment, the uplink channel uses wireless communication to transmit information, which means that when the terminal device needs to send data to the central station, it uses radio waves as a carrier to transmit the information in the form of wireless signals.

[0046] Since wireless communication is open and vulnerable to external interference or eavesdropping, special emphasis is placed on the application of information encryption and identity authentication mechanisms when designing the uplink channel to ensure that only authorized recipients can interpret the received data.

[0047] The downlink channel refers to the path for sending instructions or data from the central station to the terminal device.

[0048] Different from the uplink channel, the downlink channel uses a hybrid method of carrier communication and wireless communication to transmit information. Specifically, part of the information is transmitted along the power line through power line carrier communication (PLC) technology, and the other part is transmitted through wireless channels. This method combines the advantages of the two communication methods, taking advantage of the wide coverage and low cost of power lines, compensating for the possible signal attenuation problem, and improving the security of information transmission.

[0049] In actual operation, the transmitter uses frequency division multiplexing (FDM) technology to process the original baseband information, split it and modulate it into different frequency ranges, and then transmit it through the carrier channel and the wireless channel respectively. The receiver also uses corresponding demodulation technology to reassemble the information from the two channels into the original information. This step increases the difficulty of illegally obtaining information because potential eavesdroppers must master the technical details of both communication methods to successfully intercept and parse the information.

[0050] By clearly dividing the communication transmission channel into two channels, uplink and downlink, and selecting the most appropriate transmission mode for each direction, this embodiment not only improves the security of information transmission, but also realizes the effective use of resources. In particular, the combination of carrier communication and wireless communication adopted by the downlink channel makes full use of the existing power infrastructure, reduces the cost of building additional dedicated communication lines, and also improves the reliability and adaptability of the system.

[0051] S120: Use a frequency division multiplexing model to fuse the information of the two-line channels to perform signal transmission.

[0052] In one embodiment, the above-mentioned step S120 may include steps S121 - S122 .

[0053] S121. During information transmission, the transmitting end converts the baseband information into a required modulation signal through modulation using a frequency division multiplexing model, and transmits the signal to the receiving end through the dual-line channel.

[0054] In this embodiment, at the transmitting end, a frequency division multiplexing fusion model is used to encode and OFDM modulate the baseband information, and the processed information is divided into two parts and transmitted to the receiving end through a dual-line channel.

[0055] Specifically, at the transmitting end, the baseband information is encoded and OFDM modulated to generate the required modulation information; the modulation information is converted into analog intermediate frequency information through a digital-to-analog converter; the analog intermediate frequency information is divided into two paths, one for carrier channel transmission and the other for wireless channel transmission, and transmitted to the receiving end through a dual-line channel.

[0056] For the carrier channel path, a power amplifier is used to enhance the signal strength and then the signal is transmitted through the power line; for the wireless channel path, the information is up-converted to 230 MHz and transmitted through electromagnetic waves.

[0057] In addition, before transmission, determine the best transmission path in the dual-line channel; select the transmitter and receiver of the best transmission path; specifically, select the channel with the strongest signal in the dual-line channel through the RSSI strongest information judgment algorithm and the distributed real-time routing algorithm. Perceive the resource status of the wireless side, use dynamic diversion and switching control for joint optimization, deploy link probes to observe the information strength of each point in the channel, and infer the quality of the end-to-end path to determine the channel with the strongest signal in the dual-line channel.

[0058] Specifically, at the transmitting end, the original baseband information is converted into a form suitable for transmission through a frequency division multiplexing (FDM) model, and transmitted through a dual-line channel, namely an uplink channel and a downlink channel.

[0059] First, at the transmitting end, the baseband information undergoes an encoding process to increase the reliability and security of data transmission. Then, the encoded information is modulated using orthogonal frequency division multiplexing (OFDM) technology to generate modulated information on multiple subcarriers. OFDM is an efficient multi-carrier transmission scheme that can effectively combat interference caused by multipath effects and improve spectrum utilization.

[0060] After modulation is completed, the modulation information in digital form is converted into an analog signal through a digital-to-analog converter (DAC) and further converted into an intermediate frequency (IF) signal. This process ensures that it can be subsequently transmitted through physical media such as wireless or power lines.

[0061] The intermediate frequency signal is then divided into two paths, corresponding to the uplink channel (wireless communication) and the downlink channel (mixed wireless and carrier communication). For the carrier channel path, the signal strength is enhanced by a power amplifier and then transmitted through the existing power lines; while for the wireless channel path, the information is up-converted to a specific frequency (such as 230MHz) and propagated through electromagnetic waves.

[0062] In order to ensure the quality of information transmission, before actual transmission, the system will dynamically select the optimal transmission path based on factors such as the received signal strength indicator (RSSI) and distributed real-time routing algorithm. This includes selecting the channel with the strongest signal as the main transmission path, sensing the resource status on the wireless side, and implementing dynamic diversion and switching control to ensure that information can reach its destination efficiently and safely.

[0063] S122. The receiving end uses a frequency division multiplexing model to restore the original baseband information.

[0064] In this embodiment, the receiving end uses a frequency division multiplexing demodulation model to demodulate and filter the two paths of information received from the dual-line channel, and restore them to the original baseband information.

[0065] Specifically, when receiving two pieces of information from a dual-line channel, the receiving end will use the frequency division multiplexing demodulation model to demodulate the information, that is, to re-parse the information on different frequencies. Then, the two pieces of information will be separated through appropriate filters so that they can each be assigned to the corresponding communication channel.

[0066] The final step is to convert the demodulated information back to the original baseband format. This means reversing all the conversions previously performed at the transmitter, including but not limited to down-conversion, analog-to-digital conversion (ADC), and decoding, to accurately restore the original baseband information for further processing or application.

[0067] In summary, through the frequency division multiplexing model in step S120, the present invention realizes effective management and optimized transmission of dual-line channel information, which not only improves the security of information transmission, but also enhances the stability and efficiency of the system.

[0068] In this embodiment, carrier communication, as a widely used information transmission method, uses existing power lines as a transmission medium, does not require additional wiring, and has significant cost-effectiveness. Modern high-speed power line communication (HPLC) not only expands the frequency band usage range of information transmission, but also introduces orthogonal frequency division multiplexing (OFDM) technology, allowing multiple subcarriers to be used for data transmission at the same time. HPLC features include high frequency utilization, stability, and low inter-symbol interference, and is suitable for data transmission in the 2-12MHz frequency band.

[0069] However, narrowband carrier communications have the problem of limited transmission distance, and relay equipment may be required to increase coverage. In contrast, high-speed carrier communications can achieve information transmission over longer distances, usually more than 1 km, by subdividing the frequency band into multiple sub-bands, and can also ensure effective medium-range communication in densely built areas. Although there are many options for medium and short-range wireless technologies, there are relatively few technical systems for transmission in low-frequency bands. In wireless private networks based on the Internet of Things (IoT), the downlink single-hop delay should not exceed 500 milliseconds, especially in multi-relay situations, to avoid exceeding the time limit, and a mechanism should be set to automatically start the backup plan in case of failure.

[0070] The method of this embodiment aims to combine the advantages of carrier and wireless communication, where the downlink channel adopts a carrier and wireless hybrid mode, while the uplink channel relies entirely on wireless transmission. Given that the IoT wireless private network can provide micro-power medium-distance transmission capabilities, it can be deployed as a backup communication means in the downlink, while continuing to exert its long-distance communication capabilities in the uplink.

[0071] In order to support this hybrid mode, this embodiment designs a special switching module, which implements multi-channel fusion technology and communication protocol conversion technology to ensure seamless connection between different types of communication interfaces (such as communication application layer interface and MCU). Both transmission modes follow the TCP / IP four-layer protocol standard at both the physical layer and the MAC layer, and can be dynamically integrated between layers to cope with changes in channel quality and simplify the complexity of the dual-mode communication system. Especially for the physical layer, although PLC and wireless communication have different information coupling, modulation and demodulation characteristics, through the application of zero intermediate frequency or digital baseband technology, the difference between the transceiver circuits of the two is gradually reduced, which promotes the possibility of deep integration.

[0072] In the specific implementation process, this embodiment adopts a frequency division multiplexing (FDM) fusion model, that is, the baseband information is encoded and OFDM modulated at the transmitting end, the modulation information is generated and converted into an analog intermediate frequency signal through a digital-to-analog converter. After that, the signal is divided into two paths: one is transmitted through the carrier channel after power amplification; the other is up-converted to 230MHz and sent through a wireless channel. After receiving the information of the two channels, the receiving end will down-convert them to the same intermediate frequency and add them, and then convert them into digital information through an analog-to-digital converter, and then demodulate the two OFDM signals respectively, and restore the original information through the digital fusion output module.

[0073] At the network layer, considering the possible existence of various uncertain interference factors, such as IP address duplication, noise interference, etc., a routing path calculation model and distributed real-time routing algorithm are used to optimize path selection. These algorithms can monitor the information strength of each point in the channel by deploying link probes and evaluate the quality of the end-to-end path, thereby providing users with the best communication experience.

[0074] Finally, at the application layer, the convergence of the business level is achieved through the protocol platform, that is, obtaining the data communication interface from the network layer and connecting with the application program to independently run each business requirement. This involves the application of big data analysis algorithms to optimize the use of server resources and ensure efficient information transmission and processing.

[0075] In summary, the hybrid networking model combining HPLC and wireless private network in this embodiment not only improves the flexibility and stability of information transmission, but also enhances the security and adaptability of communication, meeting the growing communication needs.

[0076] The above-mentioned HPLC dual-mode communication transmission method divides the communication channel into uplink and downlink channels using different technologies. The uplink uses wireless communication, and the downlink combines wireless and carrier communication. The frequency division multiplexing model is used to integrate the baseband information at the transmitting end. After encoding, OFDM modulation and digital-to-analog conversion, it is synchronously transmitted through the enhanced power line and 230MHz electromagnetic wave respectively; the receiving end uses the frequency division multiplexing demodulation model to process the received information and restore the original data. In addition, the best transmission path is dynamically selected through the RSSI strongest information judgment algorithm and the distributed real-time routing algorithm to ensure that the channel with the best signal strength is selected, thereby ensuring the transmission quality. This method not only simplifies the information transmission process, realizes the effective integration of wired and wireless hybrid technologies, but also improves the stability and flexibility of information transmission.

[0077] Figure 2 FIG. 3 is a schematic block diagram of an HPLC dual-mode communication transmission system 300 provided in an embodiment of the present invention. Figure 2 As shown, corresponding to the above HPLC dual-mode communication transmission method, the present invention also provides an HPLC dual-mode communication transmission system 300. The HPLC dual-mode communication transmission system 300 includes a unit for executing the above HPLC dual-mode communication transmission method, and the system can be configured in a server. Figure 2 The HPLC dual-mode communication transmission system 300 includes a dividing unit 301 and a signal transmission unit 302 .

[0078] The division unit 301 is used to divide the communication transmission channel into two-line channels, wherein the two-line channels include an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication; the signal transmission unit 302 is used to use a frequency division multiplexing model to fuse the information of the two-line channels for signal transmission.

[0079] In one embodiment, the signal transmission unit 302 is used to:

[0080] During information transmission, the transmitting end converts the baseband information into the required modulation signal through modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel; the receiving end restores the original baseband information using the frequency division multiplexing model.

[0081] In one embodiment, the signal transmission unit 302 is used to:

[0082] At the transmitting end, a frequency division multiplexing fusion model is used to encode the baseband information and perform OFDM modulation processing, and the processed information is divided into two parts and transmitted to the receiving end through a dual-line channel.

[0083] In one embodiment, the signal transmission unit 302 is used to:

[0084] At the transmitting end, the baseband information is encoded and OFDM modulated to generate the required modulation information; the modulation information is converted into analog intermediate frequency information through a digital-to-analog converter; the analog intermediate frequency information is divided into two paths, one for carrier channel transmission and the other for wireless channel transmission, and transmitted to the receiving end through a double-line channel. For the carrier channel path, a power amplifier is used to enhance the signal strength and then transmitted through the power line; for the wireless channel path, the information is up-converted to 230MHz and transmitted through electromagnetic waves.

[0085] In one embodiment, the signal transmission unit 302 is used to:

[0086] The receiving end uses a frequency division multiplexing demodulation model to demodulate and filter the two-way information received from the dual-line channel and restore it to the original baseband information.

[0087] In one embodiment, the signal transmission unit 302 is further configured to:

[0088] Determine the best transmission path in the dual-line channel; select the sending end and the receiving end of the best transmission path.

[0089] In one embodiment, the signal transmission unit 302 is used to select the channel with the strongest signal in the dual-line channel by using the strongest RSSI information judgment algorithm and the distributed real-time routing algorithm.

[0090] In one embodiment, the signal transmission unit 302 is used to: sense the resource status of the wireless side, perform joint optimization using dynamic diversion and switching control, deploy link probes to observe the information strength of each point in the channel, and calculate the quality of the end-to-end path to determine the channel with the strongest signal in the dual-line channel.

[0091] It should be noted that technicians in the relevant field can clearly understand that the specific implementation process of the above-mentioned HPLC dual-mode communication transmission system 300 and each unit can refer to the corresponding description in the aforementioned method embodiment, and for the convenience and brevity of description, it will not be repeated here.

[0092] Those of ordinary skill in the art will appreciate that the units and algorithm steps of each example described in conjunction with the embodiments disclosed herein can be implemented in electronic hardware, computer software, or a combination of the two. In order to clearly illustrate the interchangeability of hardware and software, the composition and steps of each example have been generally described in terms of function in the above description. Whether these functions are performed in hardware or software depends on the specific application and design constraints of the technical solution. Professional and technical personnel can use different methods to implement the described functions for each specific application, but such implementation should not be considered to be beyond the scope of the present invention.

[0093] In the several embodiments provided by the present invention, it should be understood that the disclosed systems and methods can be implemented in other ways. For example, the system embodiments described above are only schematic. For example, the division of each unit is only a logical function division, and there may be other division methods in actual implementation. For example, multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.

[0094] The steps in the method of the embodiment of the present invention can be adjusted in order, combined and deleted according to actual needs. The units in the system of the embodiment of the present invention can be combined, divided and deleted according to actual needs. In addition, the functional units in the various embodiments of the present invention can be integrated into one processing unit, or each unit can exist physically separately, or two or more units can be integrated into one unit.

[0095] If the integrated unit is implemented in the form of a software functional unit and sold or used as an independent product, it can be stored in a storage medium. Based on this understanding, the technical solution of the present invention is essentially or the part that contributes to the prior art, or all or part of the technical solution can be embodied in the form of a software product, and the computer software product is stored in a storage medium, including a number of instructions for a computer device (which can be a personal computer, terminal, or network device, etc.) to perform all or part of the steps of the method described in each embodiment of the present invention.

[0096] The above is only a specific embodiment of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of various equivalent modifications or replacements within the technical scope disclosed by the present invention, and these modifications or replacements should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention shall be based on the protection scope of the claims.

Claims

1. A HPLC dual-mode communication transmission method, characterized in that: include: Dividing the communication transmission channel into a dual-line channel, wherein the dual-line channel includes an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication; The information of the dual-line channels is fused and processed using a frequency division multiplexing model to perform signal transmission.

2. A HPLC dual-mode communication transmission method according to claim 1, characterized in that: The fusing and processing the information of the dual-line channels by using a frequency division multiplexing model to perform signal transmission includes: During information transmission, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel; The receiving end uses the frequency division multiplexing model to restore the original baseband information.

3. A HPLC dual-mode communication transmission method according to claim 2, characterized in that: In the information transmission process, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel, including: At the transmitting end, a frequency division multiplexing fusion model is used to encode the baseband information and perform OFDM modulation processing, and the processed information is divided into two parts and transmitted to the receiving end through a dual-line channel.

4. A HPLC dual-mode communication transmission method according to claim 3, characterized in that: At the transmitting end, the frequency division multiplexing fusion model is used to encode the baseband information and perform OFDM modulation processing, and the processed information is divided into two parts and transmitted to the receiving end through a dual-line channel, including: At the transmitting end, the baseband information is encoded and OFDM modulated to generate the required modulation information; Converting the modulation information into analog intermediate frequency information through a digital-to-analog converter; The analog intermediate frequency information is divided into two paths, one of which is used for carrier channel transmission and the other is used for wireless channel transmission, and is transmitted to the receiving end through a double-line channel.

5. A HPLC dual-mode communication transmission method according to claim 4, characterized in that: For the carrier channel path, a power amplifier is used to enhance the signal strength and then the signal is transmitted through the power line; for the wireless channel path, the information is up-converted to 230 MHz and transmitted through electromagnetic waves.

6. A HPLC dual-mode communication transmission method according to claim, characterized in that: The receiving end uses a frequency division multiplexing model to restore the original baseband information, including: The receiving end uses a frequency division multiplexing demodulation model to demodulate and filter the two-way information received from the dual-line channel and restore it to the original baseband information.

7. A HPLC dual-mode communication transmission method according to claim 2, characterized in that: In the information transmission process, the transmitting end converts the baseband information into the required modulation signal by modulation using the frequency division multiplexing model, and transmits it to the receiving end through the dual-line channel, and also includes: determining an optimal transmission path in the dual-row channel; Select the sender and receiver of the best transmission path.

8. A HPLC dual-mode communication transmission method according to claim 7, characterized in that: The determining the best transmission path in the dual-row channel comprises: The channel with the strongest signal in the dual-line channel is selected through the RSSI strongest information judgment algorithm and the distributed real-time routing algorithm.

9. A HPLC dual-mode communication transmission method according to claim 8, characterized in that: The method of selecting the channel with the strongest signal in the dual-line channel by using the strongest RSSI information judgment algorithm and the distributed real-time routing algorithm includes: The resource status of the wireless side is sensed, dynamic diversion and switching control are used for joint optimization, link probes are deployed to observe the information strength of each point in the channel, and the quality of the end-to-end path is calculated to determine the channel with the strongest signal in the dual-line channel.

10. An HPLC dual-mode communication transmission system, characterized in that: include: A division unit, used to divide the communication transmission channel into two-line channels, wherein the two-line channels include an uplink channel and a downlink channel, the uplink channel transmits information by wireless communication, and the downlink channel transmits information by moderated wireless communication and carrier communication; The signal transmission unit is used to perform fusion processing on the information of the two-line channels by using a frequency division multiplexing model to perform signal transmission.

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