Lightweight scattering communication-in-motion device

Abstract

The invention provides a lightweight scattering communication-in-motion device, and belongs to the field of wireless communication. The device is composed of a processing unit, a power amplifier unit, a radio frequency front end unit, a communication-in-motion antenna unit and a power supply unit. Automatic alignment and tracking of the antenna can be realized, and a scattering communication-in-motion communication function is realized by combining modules such as a processing unit, a power amplifier unit and a radio frequency front end unit; the device is high in integration level, flexible to use, light in weight, portable, easy to install and use and capable of being mounted on a vehicle, a ship and the like; advanced algorithms and strategies are adopted, better system performance and intelligent self-adaption strategies are achieved, and mode self-adaption, power self-adaption and rate self-adaption are achieved; according to the invention, human-computer interaction is friendly, web control or control terminal control can be realized through a management network port, and equipment operation and management are convenient. According to the device, all modules are integrated in the equipment cover, the hardware integration degree is high, and the lightweight requirement of the device is met.

Description

Technical Field

[0001] The present invention relates to the technical field of wireless communications, and in particular to a lightweight scattering communication-in-motion device. Background Art

[0002] Tropospheric scatter communication is a beyond-line-of-sight communication method that uses the forward scattering effect of radio waves by scatterers in the tropospheric atmospheric medium. It has the ability to resist detection, interception, and interference, and has the advantages of large communication capacity and all-day use. Scattering communication technology continues to develop, and various scattering systems such as space diversity, time diversity, and frequency diversity are applied. It has gradually developed from the old system of small capacity and dual antennas to the new waveform of large capacity and single antenna. Technologies such as adaptive transmission and frequency hopping are gradually applied in scattering communication, which greatly expands the scattering communication capabilities and lays a foundation for the application of scattering communication in motion. Faced with the growing demand for communication in motion, the current scattering communication equipment is mainly used on the ground, and lightweight scattering communication in motion devices are still blank. The application scenarios of communication in motion determine that the equipment needs to have certain lightweight requirements to facilitate the equipment to be equipped on mobile vehicles and ships.

[0003] The lightweight scattering mobile communication device obtains real-time positioning and directional information through the mobile communication antenna unit. After the communication link is established, it tracks the communication direction in real time and can change in time according to the change of the variable parameter channel to achieve rate adaptation and power adaptation, so that the device can meet the mobile communication scenario. The device module is integrated into the equipment cover, which realizes the lightweight of the equipment and meets the requirements of mobile communication for lightweight equipment. Summary of the invention

[0004] The purpose of the present invention is to fill the gap in the above-mentioned background technology and provide a lightweight scattering mobile communication device. Through independent research and development, breakthroughs in lightweight scattering integrated design technology, antenna alignment and stable tracking technology, link stability maintenance technology, intelligent self-adaptation and other key technologies are achieved to achieve stable and reliable scattering mobile communication capabilities. The present invention has an integrated design, high degree of integration, lightweight device, and is easy to install and use.

[0005] The present invention adopts the following technical solutions to achieve the above technical effects:

[0006] A lightweight scattering communication-in-motion device comprises a processing unit (1), a power amplifier unit (2), a radio frequency front-end unit (3) and a communication-in-motion antenna unit (4);

[0007] At the transmitting end, the processing unit (1) processes the transmission data service, performs modulation, DA conversion and up-conversion, converts the processed data into a radio frequency signal and sends it to the power amplifier unit (2), and at the same time processes the management data and sends it to the power amplifier unit (2), the radio frequency front end unit (3) and the mobile antenna unit (4) for control interaction; the power amplifier unit (2) amplifies the scattered radio frequency signal according to the control signal and sends it to the radio frequency front end unit (3); the radio frequency front end unit (3) selects a duplex filter channel and transmits it through the mobile antenna unit (4);

[0008] At the receiving end, the mobile communication antenna unit (4) receives the scattered heterodyne signal in the air and sends it to the radio frequency front end unit (3); under the control of the processing unit (1), the radio frequency front end unit (3) filters the scattered heterodyne signal, performs low-noise amplification, and then sends it to the processing unit (1); the processing unit (1) performs down-conversion, AD conversion, and demodulation operations on the signal, and then recovers information such as the service transmitted by the channel.

[0009] Furthermore, the processing unit (1) is used for baseband information processing, modulation and demodulation, and radio frequency signal conversion, and centrally realizes intelligent strategies and management interactions; the sent service information and business information are processed by business processing (11), sent to the modulation and demodulation (12) for baseband modulation to be converted into an intermediate frequency signal, and the intermediate frequency signal then enters the agile frequency conversion (13), is converted into a required radio frequency signal, and is sent to the power amplifier unit (2); the received radio frequency signal from the radio frequency front end unit (3) enters the agile frequency conversion (13) of the processing unit (1) to complete down-conversion, is converted into an intermediate frequency signal, and is sent to the modulation and demodulation (12) to complete information demodulation, and the demodulated clock code completes business processing in the baseband processing (11), and recovers the received voice and data;

[0010] The business processing (11) synchronously monitors the power amplifier unit (2), the radio frequency front end unit (3) and the mobile communication antenna unit (4), and completes the monitoring information interaction.

[0011] Furthermore, the power amplifier unit (2) functions to amplify the power of the radio frequency signal. The radio frequency signal sent by the processing unit (1) is amplified in the power amplifier unit (2), and power adaptation is achieved according to the control signal of the service unit (1).

[0012] Furthermore, the function of the radio frequency front-end unit (3) is to select and process radio frequency front-end signals and complete the high and low frequency band selection function; the radio frequency signal sent by the power amplifier unit (2) is controlled by the control signal sent by the business unit (1), and the output frequency band is selected by the switching switch (31), and then sent to the mobile communication antenna unit (4) after filtering by the duplexer (32), and radiated by the antenna (41), so as to complete the transmission of the transmitting end scattered signal; at the same time, the scattered signal received by the antenna (41) in the mobile communication antenna unit (4) is filtered by the duplexer (32) in the radio frequency front-end unit (3), and then selected by the switching switch (31) to be output to the low noise amplifier (33), and the signal is amplified and sent to the processing unit (1).

[0013] Furthermore, it also includes a power supply unit (5), the function of which is to convert power and provide a stable power supply for the processing unit (1), the power amplifier unit (2), the radio frequency front end unit (3) and the mobile communication antenna unit (4).

[0014] Furthermore, it also includes an equipment cover unit (6), the function of which is to protect the equipment module and integrate it into one; service, business, and power supply signals are exchanged through the external interface of the equipment cover, and after passing through the slip ring, the power supply is sent to the power supply unit (5), and the service and business signals are sent to the business unit (1); the equipment cover unit (6) is composed of an equipment upper cover and a chassis, and the processing unit (1), the power amplifier unit (2), the radio frequency front end unit (3), and the mobile communication antenna unit (4) are integrated on the chassis.

[0015] Furthermore, the mobile communication antenna unit (4) completes antenna alignment and tracking and the transmission and reception of scattered radio frequency signals, including an antenna (41), Beidou (42), an inertial navigation (43), a servo control (44) and two motors; the Beidou (42) obtains position information and can perform emergency communication; the inertial navigation (43) completes antenna attitude maintenance, and the motor a (45) and the motor b (46) control the azimuth and pitch control of the mobile communication antenna unit (4); the business unit (1) issues a link opening instruction, and the servo control (41) of the mobile communication antenna unit (4) automatically establishes a link according to the position information. After opening, the real-time tracking of the antenna is maintained, and the status monitoring information of the mobile communication antenna unit (4) is reported in real time. At the same time, the antenna (41) completes the transmission and reception of scattered signals.

[0016] Due to the adoption of the above technical solution, the beneficial effects of the present invention compared with the background technology are:

[0017] 1. The present invention adopts an integrated architecture, all modules are integrated in the equipment cover, including high and low frequency band selection that can realize scattering channels, and realize large-capacity single-antenna point-to-point communication;

[0018] 2. The mobile communication antenna unit of the present invention can automatically align and track, and is combined with modules such as a processing unit, a power amplifier unit, and a radio frequency front-end unit to realize the scattered mobile communication function;

[0019] 3. The present invention has high integration, flexible use, light weight and portability, is easy to install and use, and can be mounted on vehicles and ships, etc.;

[0020] 4. The present invention adopts advanced algorithms and strategies, has better system performance and intelligent adaptive strategies, and realizes mode adaptation, power adaptation, and rate adaptation;

[0021] 5. The present invention has friendly human-computer interaction and can realize web control or control terminal control through the management network port, making equipment operation and management convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0023] Figure 1 It is a block diagram of the composition of a lightweight scattering communication-in-motion device of the present invention.

[0024] Figure 2 It is the electrical schematic diagram of the present invention. DETAILED DESCRIPTION

[0025] Below, the present invention is further described in conjunction with the accompanying drawings.

[0026] A lightweight scattering communication-in-motion device comprises a processing unit 1, a power amplifier unit 2, a radio frequency front end unit 3, a communication-in-motion antenna unit 4, a power supply unit 5, and a device cover unit 6.

[0027] At the transmitting end, the processing unit 1 processes the transmission data service, performs modulation, DA conversion and up-conversion, converts it into a radio frequency signal and sends it to the power amplifier unit 2. At the same time, the management data is processed and sent to the power amplifier unit 2, the radio frequency front-end unit 3, and the mobile antenna unit 4 for control interaction; the power amplifier unit 2 amplifies the scattered radio frequency signal according to the control signal and sends it to the radio frequency front-end unit 3; the radio frequency front-end unit 3 selects the duplex filtering channel and then transmits it through the mobile antenna unit 4.

[0028] At the receiving end, the mobile communication antenna unit 4 receives the scattered heterofrequency signal in the air and sends it to the RF front-end unit 3; under the control of the processing unit 1, the RF front-end unit 3 filters the scattered heterofrequency signal, performs low-noise amplification, and then sends it to the processing unit 1. After the processing unit 1 performs down-conversion, AD conversion, demodulation and other operations on the signal, it recovers the service and other information transmitted by the channel.

[0029] The function of the processing unit 1 is to process baseband information, perform modulation and demodulation, and convert RF signals, so as to centrally realize intelligent strategies and management interactions. The sent service information and business information, etc., are sent to the modulation and demodulation 12 for baseband modulation and converted into an intermediate frequency signal after the business processing 11. The intermediate frequency signal then enters the agile frequency converter 13, is converted into the required RF signal, and is sent to the power amplifier unit 2; the received RF signal from the RF front-end unit 3 enters the agile frequency converter 13 of the processing unit 1 to complete down-conversion, and is converted into an intermediate frequency signal, which is sent to the modulation and demodulation 12 to complete information demodulation. The demodulated clock code completes business processing in the baseband processing 11, and recovers the received voice, data, etc. At the same time, the business processing 11 synchronously monitors the power amplifier unit 2, the RF front-end unit 3, and the mobile communication antenna unit 4 to complete the monitoring information interaction;

[0030] The function of the power amplifier unit 2 is to amplify the power of the RF signal. The RF signal sent by the processing unit 1 is amplified in the power amplifier unit 2, and the power is adaptively controlled according to the control signal of the service unit 1.

[0031] The function of the RF front-end unit 3 is to select and process the RF front-end signal and complete the high and low frequency band selection function. The RF signal sent by the power amplifier unit 2 is controlled by the control signal sent by the business unit 1, and the output frequency band is selected by the switching switch 31, and then sent to the mobile antenna unit 4 after filtering by the duplexer 32, and radiated by the antenna 41 to complete the transmission of the transmitting end scattered signal; at the same time, the weak scattered signal received by the antenna 41 in the mobile antenna unit 4 is filtered by the duplexer 32 in the RF front-end unit 3, and then selected by the switching switch 31 to be output to the low noise amplifier 33, and the signal is amplified and sent to the processing unit 1.

[0032] The power supply unit 5 is used for power conversion and provides stable power for each module. The power supply unit 5 of the present invention provides DC working voltage for each component. The embodiment is made of a commercially available general integrated voltage-stabilized DC power supply block, whose output +V voltage is +V and supply current is A.

[0033] The function of the equipment cover unit 6 is to protect the equipment module and integrate all parts. The service, business, power supply and other signals are exchanged through the external interface of the equipment cover. After passing through the slip ring, the power is sent to the power supply unit 5, and the remaining signals are sent to the business unit 1. The equipment cover unit 6 consists of the equipment cover and the chassis, and all modules of the equipment are integrated on the equipment cover chassis.

[0034] The mobile communication antenna unit 4 completes the automatic alignment and tracking of the antenna and the transmission and reception of scattered radio frequency signals. Beidou 42 obtains the location information and can communicate in an emergency; the inertial navigation 43 completes the antenna attitude maintenance, and the motor 45 and the motor 46 control the azimuth and pitch control of the mobile communication antenna unit 4. The business unit 1 issues a link opening instruction, and the servo control 41 of the mobile communication antenna unit 4 automatically establishes a link according to the location information. After opening, it maintains the real-time tracking of the antenna and reports the status monitoring information of the mobile communication antenna unit 4 in real time. At the same time, the antenna 41 completes the transmission and reception of scattered signals.

[0035] The hardware has a high degree of integration and meets the requirements of lightweight equipment. It has made breakthroughs in key technologies such as lightweight scattering integrated design technology, antenna alignment and stable tracking technology, link stability maintenance technology, and intelligent adaptation, and realizes stable and reliable scattering mobile communication capabilities. It provides a lightweight scattering mobile communication device. The invention has an integrated design, is lightweight, and is easy to install and use.

[0036] The following is a further and more detailed description of the technical solution of this patent in the form of a specific case:

[0037] like Figure 1 As shown, a schematic diagram of a lightweight scattering communication-in-motion device is shown, which includes a processing unit 1, a power amplifier unit 2, a radio frequency front end unit 3, a communication-in-motion antenna unit 4, a power supply unit 5, and a device cover unit 6.

[0038] The processing unit 1 is responsible for baseband information processing, modulation and demodulation, and RF signal conversion, so as to realize intelligent strategies and management interactions in a centralized manner. The sent service information and business information are processed by the business processing 11, and sent to the modulation and demodulation 12 for baseband modulation to be converted into an intermediate frequency signal. The intermediate frequency signal then enters the agile frequency conversion 13, is converted into the required RF signal, and is sent to the power amplifier unit 2; the received RF signal from the RF front-end unit 3 enters the agile frequency conversion 13 of the processing unit 1 to complete down-conversion, and is converted into an intermediate frequency signal, which is sent to the modulation and demodulation 12 to complete information demodulation. The demodulated clock code completes business processing in the baseband processing 11, and recovers the received voice, data, etc. At the same time, the business processing 11 synchronously monitors the power amplifier unit 2, the RF front-end unit 3, and the mobile communication antenna unit 4 to complete the monitoring information interaction;

[0039] The function of the power amplifier unit 2 is to amplify the power of the radio frequency signal. The radio frequency signal sent by the processing unit 1 is amplified in the power amplifier unit 2, and the power is adaptively controlled according to the control signal of the service unit 1.

[0040] The function of the RF front-end unit 3 is to select and process the RF front-end signal and complete the high and low frequency band selection function. The RF signal sent by the power amplifier unit 2 is controlled by the control signal sent by the business unit 1, and the output frequency band is selected by the switching switch 31, and then sent to the mobile antenna unit 4 after filtering by the duplexer 32, and radiated by the antenna 41 to complete the transmission of the transmitting end scattered signal; at the same time, the weak scattered signal received by the antenna 41 in the mobile antenna unit 4 is filtered by the duplexer 32 in the RF front-end unit 3, and then selected by the switching switch 31 to be output to the low noise amplifier 33, and the signal is amplified and sent to the processing unit 1.

[0041] The function of the mobile communication antenna unit 4 is to complete the automatic alignment and tracking of the antenna and the transmission and reception of scattered radio frequency signals. Beidou 42 obtains location information and can communicate in an emergency; inertial navigation 43 completes the antenna state maintenance, and motors 45 and 46 control the azimuth and pitch control of the mobile communication antenna unit 4. The business unit 1 issues a link opening instruction, and the servo control 41 of the mobile communication antenna unit 4 automatically establishes a link according to the location information. After opening, it maintains real-time tracking of the antenna and reports the status monitoring information of the mobile communication antenna unit 4 in real time. At the same time, the antenna 41 completes the transmission and reception of scattered signals.

[0042] The power supply unit 5 is used for power conversion and provides stable power for each module. The power supply unit 5 of the present invention provides DC working voltage for each component. The embodiment is made of a commercially available general integrated voltage-stabilized DC power supply block, whose output +V voltage is +V and supply current is A.

[0043] The function of the equipment cover unit 6 is to protect the equipment module and integrate all parts. The service, business, power supply and other signals are exchanged through the external interface of the equipment cover. After passing through the slip ring, the power is sent to the power supply unit 5, and the remaining signals are sent to the business unit 1. The equipment cover unit 6 consists of the equipment cover and the chassis, and all modules of the equipment are integrated on the equipment cover chassis.

[0044] like Figure 1 As can be seen, the device is fully integrated in the equipment cover in terms of hardware. The diameter of the equipment cover chassis is 650mm, and the height of the equipment cover is 800mm. The service signal cable socket A, the management signal cable socket B, the business signal cable socket C, and the cable socket of the power input D are installed on the equipment cover chassis to assemble the present invention.

[0045] Specifically, the present invention does not impose any specific limitation on the hardware and integration form used for the positioning and orientation, Beidou short message, antenna attitude maintenance and other functions of the mobile communication antenna unit 5.

[0046] Finally, it should be noted that the above is only a preferred embodiment of the present invention and does not limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made without departing from the spirit and scope of the present invention defined in the attached claims should be included in the protection scope of the present invention.

Claims

1. A lightweight scattering communication-in-motion device, comprising a processing unit (1), a power amplifier unit (2), a radio frequency front-end unit (3) and a communication-in-motion antenna unit (4); characterized in that: At the transmitting end, the processing unit (1) processes the transmission data service, performs modulation, DA conversion and up-conversion, converts the processed data into a radio frequency signal and sends it to the power amplifier unit (2), and at the same time processes the management data and sends it to the power amplifier unit (2), the radio frequency front end unit (3) and the mobile antenna unit (4) for control interaction; the power amplifier unit (2) amplifies the scattered radio frequency signal according to the control signal and sends it to the radio frequency front end unit (3); the radio frequency front end unit (3) selects a duplex filter channel and transmits it through the mobile antenna unit (4); At the receiving end, the mobile communication antenna unit (4) receives the scattered heterodyne signal in the air and sends it to the radio frequency front end unit (3); under the control of the processing unit (1), the radio frequency front end unit (3) filters the scattered heterodyne signal, performs low-noise amplification, and then sends it to the processing unit (1); the processing unit (1) performs down-conversion, AD conversion, and demodulation operations on the signal, and then recovers information such as the service transmitted by the channel.

2. A lightweight scattering in-motion device according to claim 1, characterized in that: The processing unit (1) is used for baseband information processing, modulation and demodulation, and radio frequency signal conversion, and centrally realizes intelligent strategies and management interactions; the sent service information and business information are processed by business processing (11), sent to the modulation and demodulation (12) for baseband modulation and converted into intermediate frequency signals, and the intermediate frequency signals are then sent to the agile frequency conversion (13) to be converted into the required radio frequency signals and sent to the power amplifier unit (2); The received radio frequency signal from the radio frequency front end unit (3) enters the frequency agility converter (13) of the processing unit (1) to complete down-conversion, is converted into an intermediate frequency signal, and is sent to the modulation and demodulation (12) to complete information demodulation. The demodulated clock code completes service processing in the baseband processing (11) to recover the received voice and data; The business processing (11) synchronously monitors the power amplifier unit (2), the radio frequency front end unit (3) and the mobile communication antenna unit (4), and completes the monitoring information interaction.

3. A lightweight scattering in-motion communication device according to claim 1, characterized in that: The power amplifier unit (2) is used to amplify the power of the radio frequency signal. The radio frequency signal sent by the processing unit (1) is amplified in the power amplifier unit (2), and power adaptation is achieved according to the control signal of the service unit (1).

4. A lightweight scattering in-motion communication device according to claim 1, characterized in that: The function of the radio frequency front end unit (3) is to select and process radio frequency front end signals and complete the high and low frequency band selection function; the radio frequency signal sent by the power amplifier unit (2) is controlled by the control signal sent by the service unit (1), and the output frequency band is selected by the switching switch (31), and then sent to the mobile communication antenna unit (4) after filtering by the duplexer (32), and radiated by the antenna (41), completing the transmission of the transmitting end scattered signal; at the same time, the scattered signal received by the antenna (41) in the mobile communication antenna unit (4) is filtered by the duplexer (32) in the radio frequency front end unit (3), and then selected by the switching switch (31) to be output to the low noise amplifier (33), and the signal is amplified and sent to the processing unit (1).

5. A lightweight scattering in-motion communication device according to claim 1, characterized in that: It also includes a power supply unit (5), which has the function of power conversion and provides stable power for the processing unit (1), the power amplifier unit (2), the radio frequency front end unit (3) and the mobile communication antenna unit (4).

6. A lightweight scattering in-motion communication device according to claim 1, characterized in that: It also includes an equipment cover unit (6), the function of which is to protect the equipment module and integrate it into one; service, business and power supply signals are exchanged through the external interface of the equipment cover, and after passing through the slip ring, the power supply is sent to the power supply unit (5), and the service and business signals are sent to the business unit (1); the equipment cover unit (6) is composed of an equipment upper cover and a chassis, and the processing unit (1), the power amplifier unit (2), the radio frequency front end unit (3) and the mobile communication antenna unit (4) are integrated on the chassis.

7. A lightweight scattering in-motion device according to claim 1, characterized in that: The mobile communication antenna unit (4) completes antenna alignment and tracking and the transmission and reception of scattered radio frequency signals, and includes an antenna (41), Beidou (42), inertial navigation (43), servo control (44) and two motors; the Beidou (42) obtains position information and can communicate in an emergency; the inertial navigation (43) completes antenna attitude maintenance, and the motor a (45) and the motor b (46) control the azimuth and pitch control of the mobile communication antenna unit (4); the business unit (1) issues a link opening instruction, and the servo control (41) of the mobile communication antenna unit (4) automatically establishes a link according to the position information. After opening, the real-time tracking of the antenna is maintained, and the status monitoring information of the mobile communication antenna unit (4) is reported in real time. At the same time, the antenna (41) completes the transmission and reception of scattered signals.

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