Unmanned bee colony communication terminal based on university and specialty combination

Abstract

The invention discloses an unmanned bee colony communication terminal based on university and specialty combination, and belongs to the technical field of bee colony unmanned aerial vehicle communication. The invention designs an unmanned bee colony communication terminal with a universalized baseband module, a serialized radio frequency channel module and a special interface module adapted as required, aiming at the problems that the forms of communication terminal equipment are varied, the interface forms are different, the transmission systems are different and the interconnection and intercommunication capability is weak due to the fact that the unmanned bee colony communication terminal is customized and researched and developed along with a bee colony platform. Wherein the general baseband module adopts a Zynq7045 + CX9261 core architecture, supports a radio frequency signal input and output range of 70MHz-6GHZ, and has the functions of software dynamic reconstruction and rapid frequency hopping; the radio frequency channel module selects power amplifier chips with different power levels according to the frequency and the output power; the special interface module is adapted as required, different types of interface chips are selected as required to expand different interface types, and the interface requirements of the platform on the universal baseband module are isolated. The method supports plug-and-play and multi-domain interconnection, and has a good application prospect.

Description

Technical Field

[0001] The present invention belongs to the technical field of swarm drone communication, and in particular refers to an unmanned swarm communication terminal based on the combination of communication and special purpose. Background Art

[0002] With the diversified development of swarm drone application needs, a single swarm is difficult to complete the given task, and it is necessary to use multiple swarms to form a cluster.

[0003] At present, unmanned swarm communication terminals are generally customized and developed with swarm platforms, resulting in the changeable forms of communication terminal equipment, different interface forms, different transmission systems, weak interconnection and interoperability, and inability to realize swarm applications. Therefore, the unification of swarm terminal interfaces and multi-domain interconnection are urgent issues to be solved in realizing swarm applications. Summary of the invention

[0004] In view of this, the purpose of the present invention is to provide an unmanned swarm communication terminal based on the combination of general and special, isolate the interface requirements of different platforms for the communication terminal, and realize the interconnection and intercommunication of swarm platforms.

[0005] The technical solution adopted by the present invention is:

[0006] An unmanned swarm communication terminal based on the combination of general and special functions, comprising a radio frequency channel module, a universal baseband module and a special interface module; the radio frequency channel module is serialized, and the serialized products adopt the same radio frequency architecture, including a power amplifier module, a limiting amplifier module and a transmitting and receiving amplifier module;

[0007] During the signal transmission process of the unmanned swarm communication terminal, the universal baseband module performs baseband processing of the signal, including modulation and coding, and then the signal is filtered, amplified and digitally attenuated by the large receiving and transmitting module, and then the signal is amplified by the power amplifier module and sent by the antenna;

[0008] In the signal receiving process of the unmanned swarm communication terminal, the spatial RF signal received by the antenna is limited and low-noise amplified by the limiting amplifier module, and then the receiving channel of the receiving part is selected through the electronic switch of the receiving and transmitting amplification module, and the output amplitude is controlled to be sent to the baseband processing module;

[0009] The dedicated interface module is used for signal interaction between the swarm communication terminal and the swarm platform, including receiving remote control signals from the swarm platform, controlling the operation of the RF channel module and the universal baseband module, and sending status signals to the swarm platform; wherein the remote control signals include flight control signals, mission control signals and link control signals.

[0010] Further, the transmitting and receiving amplification module includes a first amplifier 1, a first switch 2, a digitally controlled attenuator 3, a bidirectional amplifier 4, a first temperature compensation 5, a first bandpass filter 6, a second switch 7, a second amplifier 8, a third amplifier 9, a second temperature compensation 10, a second bandpass filter 11 and a first attenuator 12;

[0011] During the signal transmission process, the signal is amplified by the second amplifier 8, and then sequentially selected by the second switch 7 for the transmission part, filtered by the first bandpass filter 6, temperature compensated by the first temperature compensation 5, amplified by the bidirectional amplifier 4, attenuated by the digitally controlled attenuator 3, selected by the first switch 2 for the transmission part, amplified by the first amplifier 1, and then transmitted and outputted;

[0012] During the signal receiving process, the signal is sequentially selected through the first electronic switch 2 to select the receiving part, the signal is attenuated through the digitally controlled attenuator 3, the signal is amplified through the bidirectional amplifier 4, temperature compensated through the first temperature compensator 5, filtered through the first bandpass filter 6, the signal is selected through the second switch 7 to select the receiving part, the signal is amplified through the third amplifier 9, temperature compensated through the second temperature compensator 10, filtered through the second bandpass filter 11, and the signal is attenuated through the attenuator 12 before outputting the received signal.

[0013] Furthermore, the limiting amplifier module includes a limiter, a low-noise amplifier chip and a power modulation module; the power modulation module is used for operating voltage conversion; the limiter uses a PIN diode to realize the function of reflective limiting under high-power input conditions, and the unit circuit adopts a combination of semi-active limiting and passive limiting to perform two-stage limiting; then noise suppression and signal amplification are performed through the low-noise amplifier chip.

[0014] Furthermore, the power amplifier module includes 5 models, including L-band power 1w, 5w and 10w gears, and C-band power 20w and 40w gears; the 5 power amplifier modules adopt the same architecture, including a second attenuator, a driver amplifier, a third attenuator, a power amplifier, and power supply modulation and gate voltage conversion; the signal is adjusted in gain through the second attenuator in turn, the signal is amplified to a medium level through the driver amplifier, the gain is adjusted through the third attenuator, and the power is amplified through the power amplifier; the power supply modulation and gate voltage conversion are used to adjust and control the output voltage and gate voltage.

[0015] The advantages of the present invention compared with the prior art are:

[0016] Serialized design of RF channel modules. In view of the typical usage scenarios of the swarm platform, the L-band power of 1w, 5w and 10w and the C-band power of 20w and 40w are designed to support the range and frequency band requirements in typical swarm usage scenarios.

[0017] The baseband module has a universal design. It supports the RF signal input and output range of 70MHz-6GHZ, and has software dynamic reconstruction and fast frequency hopping functions.

[0018] Dedicated interface modules are adapted as needed. Different types of interface chips can be selected as needed to expand different interface types to adapt to the platform's requirements for terminal interfaces.

[0019] The above design realizes the modularization, serialization and universality of the swarm terminal, providing support for promoting the large-scale application and integration of unmanned swarms. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 is a composition diagram of an unmanned bee colony terminal in an embodiment of the present invention;

[0021] Figure 2 is a diagram of the composition of a radio frequency channel module in an embodiment of the present invention;

[0022] Figure 3 It is a composition diagram of the large receiving and sending module in an embodiment of the present invention;

[0023] Figure 4 is a composition diagram of a limiting amplifier module in an embodiment of the present invention;

[0024] Figure 5 is a composition diagram of a power amplifier module in an embodiment of the present invention; DETAILED DESCRIPTION

[0025] The technical solution of the present invention is further described in detail below in conjunction with the accompanying drawings.

[0026] An unmanned swarm communication terminal based on the combination of communication and specialization, the method first designs the hardware architecture of the communication terminal. Figure 1 As shown in the figure, it is composed of RF channel module, universal baseband module and special interface module, and the boards are connected and plugged in. Based on the idea of ​​"universal baseband module, serialized RF channel module, and on-demand adaptation of special interface module", the RF channel module, universal baseband module and special interface module are designed respectively. The modules can be quickly assembled and integrated, and quickly disassembled and replaced.

[0027] An unmanned swarm communication terminal based on the combination of communication and special Figure 1 and Figure 2 As shown, it includes a radio frequency channel module, a universal baseband module and a dedicated interface module; the radio frequency channel module is serialized, and the serialized products use the same radio frequency architecture, including a power amplifier module, a limiting amplifier module and a transmitting and receiving amplifier module;

[0028] During the signal transmission process of the unmanned swarm communication terminal, the universal baseband module performs baseband processing of the signal, including modulation and coding, and then the signal is filtered, amplified and digitally attenuated by the large receiving and transmitting module, and then the signal is amplified by the power amplifier module and sent by the antenna;

[0029] In the signal receiving process of the unmanned swarm communication terminal, the spatial RF signal received by the antenna is limited and low-noise amplified by the limiting amplifier module, and then the receiving channel of the receiving part is selected through the electronic switch of the receiving and transmitting amplification module, and the output amplitude is controlled to be sent to the baseband processing module;

[0030] The dedicated interface module is used for signal interaction between the swarm communication terminal and the swarm platform, including receiving remote control signals from the swarm platform, controlling the operation of the RF channel module and the universal baseband module, and sending status signals to the swarm platform; wherein the remote control signals include flight control signals, mission control signals and link control signals.

[0031] like Figure 3 As shown, the transmitting and receiving amplification module includes a first amplifier 1, a first switch 2, a digitally controlled attenuator 3, a bidirectional amplifier 4, a first temperature compensation 5, a first bandpass filter 6, a second switch 7, a second amplifier 8, a third amplifier 9, a second temperature compensation 10, a second bandpass filter 11 and a first attenuator 12;

[0032] During the signal transmission process, the signal is amplified by the second amplifier 8, and then sequentially selected by the second switch 7 for the transmission part, filtered by the first bandpass filter 6, temperature compensated by the first temperature compensation 5, amplified by the bidirectional amplifier 4, attenuated by the digitally controlled attenuator 3, selected by the first switch 2 for the transmission part, amplified by the first amplifier 1, and then transmitted and outputted;

[0033] During the signal receiving process, the signal is sequentially selected through the first electronic switch 2 to select the receiving part, the signal is attenuated through the digitally controlled attenuator 3, the signal is amplified through the bidirectional amplifier 4, temperature compensated through the first temperature compensator 5, filtered through the first bandpass filter 6, the signal is selected through the second switch 7 to select the receiving part, the signal is amplified through the third amplifier 9, temperature compensated through the second temperature compensator 10, filtered through the second bandpass filter 11, and the signal is attenuated through the attenuator 12 before outputting the received signal.

[0034] like Figure 4 As shown, the limiting amplifier module includes a limiter, a low-noise amplifier chip and a power modulation module; the power modulation module is used for operating voltage conversion; the limiter uses a PIN diode to achieve the function of reflective limiting under high-power input conditions, and the unit circuit adopts a combination of semi-active limiting and passive limiting to perform two-stage limiting; then the low-noise amplifier chip is used for noise suppression and signal amplification.

[0035] like Figure 5 As shown, the power amplifier module includes 5 types, including L-band power 1w, 5w and 10w gears, and C-band power 20w and 40w gears; the 5 power amplifier modules use the same architecture, including a second attenuator, a driver amplifier, a third attenuator, a power amplifier, and power modulation and gate voltage conversion; the signal is adjusted in gain through the second attenuator, the signal is amplified to a medium level through the driver amplifier, the gain is adjusted through the third attenuator, and the power is amplified through the power amplifier; the power modulation and gate voltage conversion are used to adjust and control the output voltage and gate voltage.

[0036] In the present invention, the universal baseband module is composed of a power module, a data processing module and AD / DA modules to complete the baseband processing of the signal. The core architecture of FMQL45T900+CX9261 is adopted, the RF signal input and output range of 70MHz-6GHZ is supported, and the software dynamic reconstruction and fast frequency hopping functions are provided.

[0037] The present invention designs a swarm communication terminal that combines general and special functions, with universal baseband modules, serialized radio frequency channel modules, on-demand adaptation of special interface modules, variable equipment scale, and groupable functional modules. The terminal supports plug-and-play and multi-domain interconnection and has good application prospects.

Claims

1. An unmanned swarm communication terminal based on the combination of communication and special purpose, characterized in that: It includes RF channel module, universal baseband module and dedicated interface module; RF channel module adopts serialization, and serialized products adopt the same RF architecture, including power amplifier module, limiting amplifier module and transmitting and receiving amplifier module; During the signal transmission process of the unmanned swarm communication terminal, the universal baseband module performs baseband processing of the signal, including modulation and coding, and then the signal is filtered, amplified and digitally attenuated by the large receiving and transmitting module, and then the signal is amplified by the power amplifier module and sent by the antenna; In the signal receiving process of the unmanned swarm communication terminal, the spatial RF signal received by the antenna is limited and low-noise amplified by the limiting amplifier module, and then the receiving channel of the receiving part is selected through the electronic switch of the receiving and transmitting amplification module, and the output amplitude is controlled to be sent to the baseband processing module; The dedicated interface module is used for signal interaction between the swarm communication terminal and the swarm platform, including receiving remote control signals from the swarm platform, controlling the operation of the RF channel module and the universal baseband module, and sending status signals to the swarm platform; wherein the remote control signals include flight control signals, mission control signals and link control signals.

2. The unmanned swarm communication terminal based on the combination of general and special functions according to claim 1 is characterized in that: The transmitting and receiving amplification module comprises a first amplifier (1), a first switch (2), a digitally controlled attenuator (3), a bidirectional amplifier (4), a first temperature compensation (5), a first bandpass filter (6), a second switch (7), a second amplifier (8), a third amplifier (9), a second temperature compensation (10), a second bandpass filter (11) and a first attenuator (12); During the signal transmission process, the signal is amplified by the second amplifier (8), then sequentially selected through the second switch (7) to select the transmission part, filtered through the first bandpass filter (6), temperature compensated through the first temperature compensation (5), amplified through the bidirectional amplifier (4), attenuated through the digitally controlled attenuator (3), selected through the first switch (2), amplified through the first amplifier (1) and then transmitted and output; In the signal receiving process, the signal is sequentially selected through the first electronic switch (2) to select the receiving part, the signal is attenuated through the digitally controlled attenuator (3), the signal is amplified through the bidirectional amplifier (4), the temperature is compensated through the first temperature compensation (5), the signal is filtered through the first band pass filter (6), the signal is selected through the second switch (7) to select the receiving part, the signal is amplified through the third amplifier (9), the temperature is compensated through the second temperature compensation (10), the signal is filtered through the second band pass filter (11), the signal is attenuated through the attenuator (12), and then the received signal is output.

3. The unmanned swarm communication terminal based on the combination of communication and special purpose according to claim 1 is characterized in that: The limiting amplifier module includes a limiter, a low-noise amplifier chip and a power modulation module; the power modulation module is used for working voltage conversion; the limiter uses a PIN diode to realize the function of reflective limiting under high-power input conditions, and the unit circuit adopts a combination of semi-active limiting and passive limiting to perform two-stage limiting; then the low-noise amplifier chip is used for noise suppression and signal amplification.

4. The unmanned bee colony communication terminal based on the combination of communication and special purpose according to claim 1 is characterized in that: There are 5 types of power amplifier modules, including 1w, 5w and 10w power levels for L-band and 20w and 40w power levels for C-band. The 5 power amplifier modules adopt the same architecture, including the second attenuator, driver amplifier, third attenuator, power amplifier, power supply modulation and gate voltage conversion. The signal is adjusted through the second attenuator to adjust the gain, the driver amplifier is used to amplify the signal to a medium level, the third attenuator is used to adjust the gain, and the power amplifier is used to amplify the power. Power modulation and gate voltage conversion are used to regulate and control the output voltage and gate voltage.

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