Intelligent antenna array surface time-sharing working device and array surface selection method thereof

Abstract

The invention relates to an intelligent antenna array surface time-sharing working device and an array surface selection method thereof.The intelligent antenna array surface time-sharing working device comprises a data link module located on the inner side of a projectile body and a plurality of antenna array surfaces sequentially distributed on the peripheral side of the projectile body, and the data link module comprises an information integration module; the radio frequency signal connector and the antenna control interface signal connector are located at one end of the information integration module, the radio frequency signal connector is connected with one antenna array plane, and the antenna array plane connected with the radio frequency signal connector is sequentially connected with other antenna array planes in series. The antenna control interface signal connector is respectively connected with each antenna array surface, the plurality of antenna array surfaces are distributed on the peripheral side of the missile body, and a radio frequency baseband processing channel configured by the information integration module is utilized, so that time-sharing processing or simultaneous processing of signals received by the plurality of antenna array surfaces is realized; and the signal coverage range and the communication stability of the system are obviously improved.

Description

Technical Field

[0001] The present application relates to the field of antenna array time-sharing operation and selection, and in particular to an intelligent antenna array time-sharing operation device and an array selection method thereof. Background Art

[0002] In traditional antenna array systems, fixed-configuration RF baseband processing channels are usually used to process signals from multiple antenna arrays. In complex aerial communication environments, due to the shielding effect of missiles, the main beam of a single antenna can only cover a limited width and spatial area. This limitation makes it difficult for a single antenna to achieve omnidirectional communication coverage, especially when nodes are distributed in three-dimensional space. The appearance of signal coverage blind spots and weak areas will significantly affect the stability and reliability of communications, and cannot meet the omnidirectional communication needs under high-speed mobile conditions.

[0003] Application Contents In order to solve the problem that the main beam of a single antenna can only cover a limited width and spatial area, resulting in reduced stability and reliability of communication, the present application provides an intelligent antenna array time-sharing working device and an array selection method thereof.

[0004] The present application provides a smart antenna array time-sharing working device that adopts the following technical solution: A smart antenna array time-sharing working device is applied to a projectile, comprising a data link module located inside the projectile, and multiple antenna arrays distributed in sequence around the projectile, the data link module comprising an information integration module, and a radio frequency signal connector and a space control interface signal connector located at one end of the information integration module, the radio frequency signal connector is connected to one of the antenna arrays, the antenna array connected to the radio frequency signal connector is connected in series with other antenna arrays in sequence, the space control interface signal connector is connected to each of the antenna arrays respectively, the information integration module configures a radio frequency baseband processing channel through the radio frequency signal connector to time-sharingly process the received signals of multiple antenna arrays, or configures multiple radio frequency baseband processing channels through the space control interface signal connector to simultaneously process the received signals of multiple antenna arrays.

[0005] By adopting the above technical solution, by distributing multiple antenna arrays around the missile body and using the RF baseband processing channel configured by the information integration module, time-sharing or simultaneous processing of the received signals of multiple antenna arrays is realized, which significantly improves the signal coverage and communication stability of the system. Specifically, the time-sharing processing method can effectively use limited hardware resources to poll and process signals in various directions, ensuring coverage of different directions in different time periods; while the simultaneous processing method allows simultaneous reception and processing of signals in multiple directions, ensuring that communication nodes in complex three-dimensional space will not have signal blind spots due to obstruction by the missile body, thereby solving the problem that the traditional single antenna cannot achieve all-round coverage and cope with multi-directional communications, and meets the needs of all-round and stable communications under high-speed mobile conditions.

[0006] Preferably, there are three antenna array planes in total, and every two adjacent antenna array planes are equidistantly arranged with an angle of 120°.

[0007] By adopting the above technical solution, uniform signal coverage can be achieved in space. Such geometric arrangement ensures that no matter what angle the missile is at, at least one antenna array can be directly aimed at the signal source, thereby ensuring the continuity and stability of signal reception. This distribution method greatly reduces the occurrence of signal blind spots and ensures the reliable performance of the communication system in high-speed movement or complex environments.

[0008] Preferably, the antenna array surface includes an antenna located outside the projectile and an antenna array electrically connected to the antenna, and there are four antennas in total and they are arranged conformally with the projectile.

[0009] By adopting the above technical solutions, not only the aerodynamic performance of the missile body is optimized, but also the impact of the exposed antenna on signal transmission is reduced. The conformal setting can reduce the aerodynamic noise and radar reflection signals generated by the antenna during high-speed movement, making the missile body more concealed and efficient, while ensuring that the electrical performance of the antenna is not interfered with, thereby improving the overall performance and combat capability of the entire system.

[0010] Preferably, the data link module also includes a low-frequency digital processing module, and the other end of the information integration module is provided with a flexible internal signal interface connector connected to the low-frequency digital processing module.

[0011] By adopting the above technical solution, it is possible to achieve specialized processing of low-frequency signals, which not only expands the processing capacity of the data link module, but also allows the system to flexibly adjust the frequency band in different tasks to adapt to different communication needs. This design improves the versatility and flexibility of the system and can maintain stable signal processing and transmission performance in a variety of complex environments.

[0012] Preferably, the RF signal connector includes a switch matrix and multiple transceiver components, the first data port of each transceiver component is connected to the first data port of the switch matrix, the second data port of the transceiver component is connected to the antenna array surface, and the second data port of the switch matrix is ​​connected to the data port of the information integration module.

[0013] By adopting the above technical solution, the signal transmission paths of different antenna arrays can be flexibly managed and switched. Such a design can greatly improve the efficiency of signal transmission, especially when fast switching and processing of multiple signals are required, which can effectively reduce the switching time and signal attenuation. At the same time, this structure can dynamically allocate signal resources between multiple antenna arrays, ensuring that the system can maintain high-quality signal transmission in various communication scenarios, thereby enhancing the adaptability and reliability of the system.

[0014] Preferably, the information integration module includes an up-conversion amplifier circuit, a first down-conversion amplifier circuit, a second down-conversion amplifier circuit and a main control chip, the first signal output end of the main control chip is connected to the signal input end of the up-conversion amplifier circuit, the signal output end of the up-conversion amplifier circuit is connected to the first signal input end of the switch matrix, the signal output end of the switch matrix is ​​connected to the signal input end of the first down-conversion amplifier circuit, the signal output end of the first down-conversion amplifier circuit is connected to the first signal input end of the main control chip, the signal output end of the switch matrix is ​​connected to the signal input end of the second down-conversion amplifier circuit, the signal output end of the second down-conversion amplifier circuit is connected to the second signal input end of the main control chip, and the second signal output end of the main control chip is connected to the second signal input end of the switch matrix.

[0015] By adopting the above technical solutions, it is possible to achieve flexible processing and amplification of signals in different frequency bands. This multi-level signal processing mechanism allows the system to accurately amplify and convert signals in different frequency bands, ensuring the integrity and quality of the signal. At the same time, by working in conjunction with the main control chip, these circuits can adjust the signal processing method according to real-time needs, improving the system's adaptability to complex communication environments, thereby ensuring the efficiency and stability of signal processing.

[0016] Preferably, a first analog-to-digital conversion unit is connected between the signal input end of the up-conversion amplifier circuit and the signal output end of the main control chip, a second analog-to-digital conversion unit is connected between the signal output end of the first down-conversion amplifier circuit and the first signal input end of the main control chip, and a third analog-to-digital conversion unit is connected between the signal output end of the second down-conversion amplifier circuit and the second signal input end of the main control chip.

[0017] By adopting the above technical solution, accurate digital processing of signals can be achieved. This design not only improves the accuracy of signal processing, but also ensures the stability and consistency of data conversion. When processing high-speed data streams, the analog-to-digital conversion unit can effectively reduce the noise and distortion in the analog signal, thereby improving the signal processing capability of the entire system. In addition, this high-precision conversion method enables the system to adapt to various complex signal processing requirements and enhances the robustness and reliability of the communication system.

[0018] A method for selecting an array surface based on an intelligent antenna array surface time-sharing working device is applied to an intelligent antenna array surface time-sharing working device, comprising: S1. In the process of receiving the target communication user information, determine the antenna array plane to be determined, and make each antenna on the antenna array plane to be determined receive separately to obtain a first antenna receiving signal; S2. Perform sliding correlation processing on each of the first antenna received signals to determine a correlation peak, and determine whether each of the correlation peaks meets a synchronization condition; S3, if none of the correlation peaks meets the synchronization condition, then determine other antenna arrays to be determined in turn, and repeat the sliding correlation process until one of the antennas on the antenna array to be determined finds a correlation peak that meets the synchronization condition, and the antenna with the correlation peak that meets the synchronization condition is determined as the target measurement antenna; S4, performing signal-to-noise ratio measurement on the target measurement antenna, and determining whether a measurement result of the signal-to-noise ratio measurement meets a predetermined threshold; S5. If the target measurement antenna meets the predetermined threshold, the antenna array surface to be determined corresponding to the target measurement antenna is locked, and subsequent signal processing is performed on the antenna array surface to be determined; S6. After locking the antenna array to be determined, determine in real time whether the measurement result of the signal-to-noise ratio measurement of the target measurement antenna meets a predetermined threshold. If the measurement result of the signal-to-noise ratio measurement of the target measurement antenna does not meet the predetermined threshold, start array polling.

[0019] By adopting the above technical solution, accurate digital processing of signals can be achieved. This design not only improves the accuracy of signal processing, but also ensures the stability and consistency of data conversion. When processing high-speed data streams, the analog-to-digital conversion unit can effectively reduce the noise and distortion in the analog signal, thereby improving the signal processing capability of the entire system. In addition, this high-precision conversion method enables the system to adapt to various complex signal processing requirements and enhances the robustness and reliability of the communication system.

[0020] Preferably, in step S5, the subsequent processing of the optimized signal includes at least beamforming and anti-interference processing.

[0021] By adopting the above technical solutions, the antenna array can be dynamically selected and adjusted during the communication process to ensure the optimization of signal quality. By monitoring the signal-to-noise ratio in real time, the system can quickly identify and respond to changes in signal quality, avoiding communication interruptions caused by signal attenuation or interference. This dynamic adjustment mechanism can greatly improve the adaptability and stability of the communication system, ensuring high-quality communication connections in various complex environments.

[0022] Preferably, the array polling at least includes sequentially determining other antenna arrays to be determined for sliding correlation processing until a new target measurement antenna that meets the synchronization condition is found, and repeating the operations of steps S4 to S5.

[0023] By adopting the above technical solutions, it is possible to ensure that the signal reception path is continuously optimized throughout the communication process. This real-time monitoring and polling mechanism enables the system to automatically adjust the signal reception strategy to avoid signal degradation caused by environmental changes or interference, thereby maintaining high quality and stability of communication. This process significantly improves the system's adaptability in dynamic environments, reduces communication risks caused by unstable signals, and ensures the smooth execution of tasks.

[0024] In summary, the present application includes at least one of the following beneficial technical effects: 1. The intelligent antenna array time-sharing working device distributes multiple antenna arrays around the missile body and uses the RF baseband processing channel configured by the information integration module to achieve time-sharing or simultaneous processing of the received signals of multiple antenna arrays, which significantly improves the signal coverage and communication stability of the system. Specifically, the time-sharing processing method can effectively use limited hardware resources to poll and process signals in various directions to ensure coverage of different directions in different time periods; while the simultaneous processing method allows the simultaneous reception and processing of signals in multiple directions to ensure that communication nodes in complex three-dimensional space will not have signal blind spots due to obstruction by the missile body, thereby solving the problem that the traditional single antenna cannot achieve all-round coverage and cope with multi-directional communications, and meets the needs of all-round and stable communications under high-speed mobile conditions; 2. The inter-missile chain equipment, that is, the data link module is installed in the missile body, and the antenna is arranged outside the missile body. Due to factors such as missile body shielding, the main beam of a single antenna can only cover a limited width and space. In addition, the aerial nodes are distributed in a three-dimensional space. In order for the inter-missile chain of the aerial node to communicate with the surrounding distributed nodes, it is necessary to arrange multiple antennas around the missile body to achieve a signal coverage range of 360 degrees in this direction. There are three antenna arrays in total, and the arrangement of multiple antenna arrays allows wireless signals to be received from three antenna arrays at the same time. There are two ideas for how to process the received signals of these three antenna arrays. One is to configure a processing channel from RF to baseband for the received signals of these three antenna arrays, which will enable the inter-missile chain to have the ability to receive and process wireless signals from three directions at the same time. The other is to configure only one processing channel from RF to baseband for the array signal at the back end, and the purpose of resource multiplexing is achieved by time-sharing the received signals of these three antenna arrays.

[0025] 3. The data link module contains an information integration module and two signal connectors - the RF signal connector and the antenna control interface signal connector. The RF signal connector allows the signal to be processed in time-sharing through the serially connected antenna arrays, thereby saving hardware resources and simplifying the system design; while the antenna control interface signal connector allows the signals of multiple antenna arrays to be processed simultaneously, improving the real-time performance and responsiveness of the system. Through this configuration, the system can choose the time-sharing processing or simultaneous processing mode according to the needs to optimize the performance and efficiency of signal processing. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a layout and signal connection relationship diagram of an antenna array included in an antenna array surface in an intelligent antenna array surface time-sharing working device in an embodiment of the present application.

[0027] Figure 2 It is a signal binding connection relationship of an antenna array included in an antenna array surface in an intelligent antenna array surface time-sharing working device in an embodiment of the present application.

[0028] Figure 3 It is a circuit block diagram of selecting the time-sharing operation of the antenna array surface through a switch matrix in an intelligent antenna array surface time-sharing operation device in an embodiment of the present application.

[0029] Figure 4 It is a flow chart of array surface selection of an array surface selection method of an intelligent antenna array surface time-sharing working device in an embodiment of the present application.

[0030] Description of reference numerals: 1. Data link module; 11. Information integration module; 111. Up-conversion amplifier circuit; 112. First down-conversion amplifier circuit; 113. Second down-conversion amplifier circuit; 114. Main control chip; 115. Second analog-to-digital conversion unit; 116. Third analog-to-digital conversion unit; 117. First analog-to-digital conversion unit; 12. RF signal connector; 121. Switch matrix; 122. Transceiver assembly; 13. Sky control interface signal connector; 14. Missile internal signal interface connector; 2. Antenna array; 100. Missile body. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] Reference Figure 1-Figure 2 , an intelligent antenna array time-sharing working device, applied to a missile body 100, comprising a data link module 1 located on the inner side of the missile body 100, and multiple antenna array surfaces 2 distributed in sequence around the missile body 100, the data link module 1 comprising an information integration module 11, and a radio frequency signal connector 12 and a sky control interface signal connector 13 located at one end of the information integration module 11, the radio frequency signal connector 12 is connected to one of the antenna array surfaces 2, the antenna array surface 2 connected to the radio frequency signal connector 12 is sequentially connected in series with other antenna array surfaces 2, the sky control interface signal connector 13 is respectively connected to each of the antenna array surfaces 2, the information integration module 11 configures a radio frequency baseband processing channel through the radio frequency signal connector 12 to time-share the received signals of multiple antenna array surfaces 2, or configures multiple radio frequency baseband processing channels through the sky control interface signal connector 13 to simultaneously process the received signals of multiple antenna array surfaces 2.

[0033] In this embodiment, refer to Figure 1 , in order to improve the gain of the antenna used in each direction, a 4-element antenna array is used. After the frequency hopping channel module generates a frequency hopping signal, the networking protocol selects which antenna array face 2 is used to radiate the frequency hopping signal according to the network connection status. The antenna cover is installed in the window to ensure that the missile body 100 is complete and smooth, and to ensure the effective outward radiation of the electromagnetic signal. The installation method of the antenna causes the antenna array to radiate only at a certain angle or area due to the shielding of the missile body 100. However, since the relative positions of the missiles participating in the inter-missile networking cannot be fixed, it cannot be guaranteed that the beam of a single antenna can always meet the networking needs. Therefore, it is necessary to arrange multiple antennas on the missile body 100 to meet the coverage of a sufficiently large airspace. That is, at the same height of the missile body 100 near the warhead, three antenna windows are evenly spaced at 120 degrees. It is required that the axial direction of the missile body 100 (horizontal direction) can cover 360 degrees, and the cross-sectional direction of the missile body 100 (pitch direction) can cover the airspace. In order to improve the link antenna gain, an antenna array is used as the inter-missile data link antenna.

[0034] In summary, by distributing multiple antenna arrays 2 around the missile body 100 and using the RF baseband processing channel configured by the information integration module 11, time-sharing or simultaneous processing of the signals received by multiple antenna arrays 2 is achieved, significantly improving the signal coverage and communication stability of the system. Specifically, the time-sharing processing method can effectively use limited hardware resources to poll and process signals in various directions, ensuring coverage of different directions in different time periods; while the simultaneous processing method allows simultaneous reception and processing of signals in multiple directions, ensuring that communication nodes in complex three-dimensional space will not have signal blind spots due to the obstruction of the missile body 100, thereby solving the problem that the traditional single antenna cannot achieve all-round coverage and cope with multi-directional communications, and meeting the all-round and stable communication requirements under high-speed mobile conditions.

[0035] Further, see Figure 1 There are three antenna array surfaces 2 in total, and each adjacent two antenna array surfaces 2 are equidistantly arranged with an angle of 120°.

[0036] In this embodiment, there are three antenna array faces 2, and the angle between each two adjacent antenna array faces 2 is 120°. Through this arrangement, the three antenna array faces 2 can form a uniform signal coverage area around the missile body 100. When the missile body 100 is in different flight postures, at least one antenna array face 2 can maintain good alignment with the signal source to ensure continuous signal reception capability. This 120° equidistant angle design can effectively reduce the generation of signal blind spots, especially when the missile body 100 rotates at high speed or changes its flight direction quickly, the stability and reliability of communication can still be maintained. In addition, this geometric layout can also reduce interference between antennas, so that each antenna array face 2 can independently receive signals and perform effective processing, ensuring that the overall communication performance of the system is not affected by changes in the external environment.

[0037] In summary, uniform signal coverage can be achieved in space. Such a geometric arrangement ensures that no matter what angle the missile body 100 is at, at least one antenna array surface 2 can be directly aimed at the signal source, thereby ensuring the continuity and stability of signal reception. This distribution method greatly reduces the occurrence of signal blind spots and ensures the reliable performance of the communication system in high-speed movement or complex environments.

[0038] Preferably, the arrangement of multiple antennas allows wireless signals to be received from three antennas at the same time. There are two ideas for how to process the received signals of these three antennas. One is to configure a processing channel from RF to baseband for each of the received signals of these three antennas, which will enable the inter-band chain to have the ability to simultaneously receive and process wireless signals from three directions. The other is to configure only one processing channel from RF to baseband for the array signal at the back end, and then achieve the purpose of resource reuse by time-sharing the received signals of these three antennas; in the first idea, if a processing channel from RF (RF) to baseband (BB) is configured for each antenna, it means that the signal received by each antenna will be independently converted into a baseband signal and subsequently processed. The advantage of this is that the system can receive signals from three different directions at the same time, and the signals in each direction can be processed immediately, which can realize multiple input multiple output (MIMO) technology, improve data throughput and signal quality, and can perform spatial diversity to improve signal reliability. The second idea is to configure only one processing channel from RF to baseband at the back end, and achieve resource reuse by time-sharing the signals received by the three antennas. This means that the system will process the signals received by each antenna in turn in a certain time sequence, reducing the demand for hardware resources and reducing system cost and complexity. Each antenna array consists of four antenna elements, and the signals received by each element need to be processed through a receiving channel to convert them into baseband signals that can be processed by the FPGA. For the first idea, if each antenna needs to be processed independently, 12 receiving channels are required (3 antennas × 4 elements / antenna). For the second idea, since one processing channel is shared, only 4 receiving channels are required. No matter how many antennas there are, the signals are processed by time-division multiplexing these 4 channels. Being able to have both functions at the same time will make the overall communication stability much higher.

[0039] Furthermore, the antenna array surface 2 includes an antenna located outside the projectile 100 and an antenna array electrically connected to the antenna. There are four antennas in total and they are conformally arranged with the projectile 100 .

[0040] In this embodiment, since the missile body 100 is cylindrical, for the aerodynamic layout of the missile body 100, the inter-missile networking antenna is designed to be conformal with the missile body 100. There are four antennas in total and they are arranged conformally with the missile body 100. By designing the antenna to be conformal with the missile body 100, the shape of the antenna is closely matched with the streamlined structure of the missile body 100, reducing the aerodynamic drag caused by the antenna on the surface of the missile body 100. This design not only improves the aerodynamic performance of the missile body 100, but also reduces the reflection of radar signals by the exposed part of the antenna, thereby enhancing the concealment of the missile body 100. At the same time, the conformal setting of the antenna can protect the antenna from air friction and environmental erosion that may be encountered during high-speed flight, thereby extending the service life of the antenna. In addition, this design also optimizes the electrical performance of the antenna, ensuring that the antenna can still stably receive and transmit signals under high-speed flight and complex climatic conditions, thereby improving the overall performance and combat capability of the system.

[0041] Preferably, each antenna array currently has four antenna elements, so each antenna array requires four receiving channels from the antenna port to the FPGA input end in order to perform subsequent baseband processing on the received signals of the antenna elements. Corresponding to the above two ideas, there are two design requirements, namely, 12 receiving channels and 4 receiving channels. FPGA is the main control chip 114 of the data link module 1. For an aerial multi-node network, if the number of nodes is relatively large and each node is distributed in the airspace, and multiple antennas are used to achieve airspace coverage, and a single antenna uses a wide-transmit and narrow-receive method to transmit data, then before entering the network, the nodes do not know their relative position relationship, and only need to use multi-antenna polling combined with a single antenna beam search to ensure that the antenna beam is aligned.

[0042] In summary, not only the aerodynamic performance of the missile body 100 is optimized, but also the influence of the exposed antenna on signal transmission is reduced. The conformal setting can reduce the aerodynamic noise and radar reflection signal generated by the antenna during high-speed movement, making the missile body 100 more concealed and efficient, while ensuring that the electrical performance of the antenna is not interfered with, thereby improving the overall performance and combat capability of the entire system.

[0043] Further, see Figure 1-Figure 2 The data link module 1 also includes a low-frequency digital processing module, and the other end of the information integration module 11 is provided with a flexible internal signal interface connector 14 connected to the low-frequency digital processing module.

[0044] In this embodiment, the data link module 1 also includes a low-frequency digital processing module, and the other end of the information integration module 11 is provided with an internal signal interface connector 14 connected to the low-frequency digital processing module. By configuring the low-frequency digital processing module, the system can specifically process low-frequency signals, so that the missile body 100 can flexibly adjust the signal processing frequency band when performing different tasks, thereby adapting to various communication needs. This low-frequency signal processing capability enables the system to maintain a stable communication link in a long-distance or high-interference environment, especially in the face of ground signal interference or enemy electronic interference, the low-frequency signal has a strong penetration ability and can ensure reliable transmission of information. In addition, this design expands the function of the data link module 1, enabling it to process high-frequency and low-frequency signals at the same time, thereby improving the versatility and flexibility of the system and adapting to more complex combat environments.

[0045] In summary, specialized processing of low-frequency signals can be achieved, which not only expands the processing capability of the data link module 1, but also allows the system to flexibly adjust the frequency band in different tasks to meet different communication needs. This design improves the versatility and flexibility of the system and can maintain stable signal processing and transmission performance in a variety of complex environments.

[0046] Further, see Figure 3 The RF signal connector 12 includes a switch matrix 121 and multiple transceiver components 122, the first data port of each transceiver component 122 is connected to the first data port of the switch matrix 121, the second data port of the transceiver component 122 is connected to the antenna array 2, and the second data port of the switch matrix 121 is connected to the data port of the information integration module 11.

[0047] In this embodiment, the RF signal connector 12 includes a switch matrix 121 and a plurality of transceiver components 122, the first data port of each transceiver component 122 is connected to the first data port of the switch matrix 121, the second data port of the transceiver component 122 is connected to the antenna array 2, and the second data port of the switch matrix 121 is connected to the data port of the information integration module 11. By configuring the switch matrix 121 and the plurality of transceiver components 122, the system can realize flexible management of the signal transmission path of the antenna array 2. The switch matrix 121 allows the signal paths of the plurality of antenna arrays 2 to be quickly switched at different times, thereby ensuring that the system can select the best antenna array 2 for signal processing according to communication requirements. This design is particularly suitable for situations in complex battlefield environments where rapid response and multi-directional signal processing are required. The flexibility of the switch matrix 121 enables the system to effectively reduce switching time and signal attenuation when processing multi-channel signals, maintain efficient signal transmission, and also dynamically allocate signal resources between the plurality of antenna arrays 2, ensuring that the system can maintain high-quality signal transmission in various communication scenarios, and enhancing the adaptability and reliability of the system.

[0048] In summary, the design that can flexibly manage and switch the signal transmission paths of different antenna arrays 2 can greatly improve the efficiency of signal transmission, especially when fast switching and processing of multiple signals are required, which can effectively reduce the switching time and signal attenuation. At the same time, this structure can dynamically allocate signal resources between multiple antenna arrays 2, ensuring that the system can maintain high-quality signal transmission in various communication scenarios, thereby enhancing the adaptability and reliability of the system.

[0049] Further, see Figure 3 The information integration module 11 includes an up-conversion amplifier circuit 111, a first down-conversion amplifier circuit 112, a second down-conversion amplifier circuit 113 and a main control chip 114. The first signal output end of the main control chip 114 is connected to the signal input end of the up-conversion amplifier circuit 111, the signal output end of the up-conversion amplifier circuit 111 is connected to the first signal input end of the switch matrix 121, the signal output end of the switch matrix 121 is connected to the signal input end of the first down-conversion amplifier circuit 112, the signal output end of the first down-conversion amplifier circuit 112 is connected to the first signal input end of the main control chip 114, the signal output end of the switch matrix 121 is connected to the signal input end of the second down-conversion amplifier circuit 113, the signal output end of the second down-conversion amplifier circuit 113 is connected to the second signal input end of the main control chip 114, and the second signal output end of the main control chip 114 is connected to the second signal input end of the switch matrix 121.

[0050] In this embodiment, through this circuit configuration, the system can flexibly process and amplify signals of different frequency bands. The up-conversion amplifier circuit 111 can increase the frequency of the baseband signal output from the main control chip 114 and amplify it, ensuring that the signal can be smoothly transmitted to the designated antenna array surface 2 through the switch matrix 121. The down-conversion amplifier circuit can down-convert the received high-frequency signal and convert it into a baseband signal that is easier to process by the main control chip 114, while amplifying the signal strength to ensure that the signal still maintains good quality after long-distance transmission or interference. Through this multi-level signal processing mechanism, the system can flexibly adjust the signal processing method according to actual communication needs, ensuring efficient and stable signal transmission in different frequency bands, thereby improving the system's adaptability in complex communication environments.

[0051] Preferably, the first signal output terminal of the main control chip sends a baseband signal or a lower frequency signal, which needs to be frequency-up (up-converted) and power-amplified by an up-conversion amplifier circuit to meet the needs of wireless transmission. Afterwards, the signal is transmitted to a specific antenna array through a switch matrix for transmission. The first signal output terminal of the main control chip sends a baseband signal or a lower frequency signal, which needs to be frequency-up (up-converted) and power-amplified by an up-conversion amplifier circuit to meet the needs of wireless transmission. Afterwards, the signal is transmitted to a specific antenna array through a switch matrix for transmission. In complex communication systems, the flexibility of the signal path is crucial. By setting multiple signal output terminals, the main control chip can flexibly select the signal path in different operating modes. For example, when it is necessary to quickly switch the signal path or process multiple signals, different output terminals can be used to reduce the switching time or reduce the complexity of the system. This design also provides a certain degree of redundancy. If one of the paths fails (such as a failure of the up-conversion amplifier circuit), the system can quickly switch to another path to maintain the continuity and stability of communication. The main control chip may need to process signals of different frequency bands, such as low-frequency and high-frequency signals. By setting up multiple signal output terminals, signals of different frequency bands can be processed separately. One output terminal is used to process and transmit low-frequency signals, and the other output terminal is used to transmit high-frequency signals. This can optimize the processing paths of signals of different frequency bands and ensure the signal processing efficiency and transmission quality of the system in each frequency band.

[0052] In summary, it is possible to achieve flexible processing and amplification of signals in different frequency bands. This multi-level signal processing mechanism allows the system to accurately amplify and convert signals in different frequency bands, ensuring the integrity and quality of the signal. At the same time, by working in coordination with the main control chip 114, these circuits can adjust the signal processing method according to real-time needs, improving the system's adaptability to complex communication environments, thereby ensuring the efficiency and stability of signal processing.

[0053] Further, see Figure 3 A first analog-to-digital conversion unit 117 is connected between the signal input end of the up-conversion amplifier circuit 111 and the signal output end of the main control chip 114, a second analog-to-digital conversion unit 115 is connected between the signal output end of the first down-conversion amplifier circuit 112 and the first signal input end of the main control chip 114, and a third analog-to-digital conversion unit 116 is connected between the signal output end of the second down-conversion amplifier circuit 113 and the second signal input end of the main control chip 114.

[0054] In this embodiment, this design not only improves the accuracy of signal processing, but also greatly enhances the stability and consistency of the data conversion process. The introduction of the analog-to-digital conversion unit can effectively reduce the noise and distortion in the analog signal, thereby ensuring that the digital signal maintains high quality and low error rate during the processing process. When processing high-speed data streams, this high-precision digital processing method can ensure that the system can still accurately and stably process and transmit signals when facing complex electromagnetic environments or multiple signal interferences, thereby enhancing the robustness and reliability of the communication system and ensuring that the communication needs in various complex combat environments are met.

[0055] In summary, the accurate digital processing of signals can be achieved. This design not only improves the accuracy of signal processing, but also ensures the stability and consistency of data conversion. When processing high-speed data streams, the analog-to-digital conversion unit can effectively reduce the noise and distortion in the analog signal, thereby improving the signal processing capability of the entire system. In addition, this high-precision conversion method enables the system to adapt to various complex signal processing requirements and enhances the robustness and reliability of the communication system.

[0056] Preferably, refer to Figure 3 , 3 antenna arrays, the RF signals received by the 4 array elements of each antenna array are first amplified by the LNA in the transceiver component 122, and then sent to the down-conversion amplifier circuit for down-conversion and intermediate frequency amplification processing, and then the intermediate frequency signal is sent to the ADC for bandpass sampling and then to the FPGA for algorithm processing. Since there are 12 antenna array elements, there are 12 independent RF channels in total. One of the 3 antenna arrays is selected through the switch matrix 121, and each antenna array has 4 receiving channels. Therefore, the physical layer only needs to process 4 receiving channel signals, that is, the antenna signal of an antenna array face 2, and there is no need to process the signals of 12 receiving antennas. The number of received signals is greatly reduced. At the same time, the required hardware receiving channels only require 4 channels, and they are processed in time-sharing, which reduces the problem of mutual interference between multiple users; An aerial multi-node network refers to a network composed of multiple communication nodes (such as drones, airplanes, satellites, etc.) distributed in space. The positional relationship between nodes is unknown, that is, before joining the network, each node does not know the exact location of other nodes. Multi-antenna airspace coverage means that nodes in the network use a multi-antenna system to achieve space coverage in order to communicate with other nodes. Wide-band transmission and narrow-band reception is a communication strategy in which a wide beam is used to cover a larger area when transmitting signals, and a narrow beam is used to improve directivity when receiving signals, thereby improving signal quality. Multi-antenna polling and intra-beam search are to ensure that the antenna beam can be aligned and communicate with other nodes. The system polls each antenna and searches for each antenna at the same time. Search is performed within the beam to find the best communication direction. The received signal processing process is that the received RF signal is first amplified by LNA (low noise amplifier) ​​to increase signal strength and reduce the impact of noise. The amplified signal is sent to the down-conversion amplifier circuit to reduce the signal frequency to the intermediate frequency, and then the intermediate frequency is amplified. The intermediate frequency signal is bandpass sampled by ADC and converted into a digital signal to facilitate further algorithm processing by FPGA. Independent RF channels refer to the fact that there are 12 antenna array elements, each array element corresponds to an independent RF channel, and there are 12 independent RF channels in total. Any one of the three antenna arrays can be selected for communication through the switch matrix 121. Each antenna array has 4 array elements, so each antenna array only needs 4 receiving channels. Physical layer processing means that the physical layer only needs to process the 4 receiving channel signals of the selected antenna array, rather than the signals of all 12 receiving antennas, which greatly reduces the number of signals that need to be processed. Time-sharing processing means that by time-sharing multiplexing these 4 receiving channels, the system can process signals from different antenna arrays in turn, thereby reducing the problem of mutual interference between multiple users. Further, see Figure 4 , a method for selecting an array surface based on a time-sharing working device of an intelligent antenna array surface, applied to an intelligent antenna array surface time-sharing working device, comprising: S1. In the process of receiving the target communication user information, determine the antenna array plane 2 to be determined, and make each antenna on the antenna array plane 2 to be determined receive separately to obtain the first antenna receiving signal; S2. Perform sliding correlation processing on each of the first antenna received signals to determine a correlation peak, and determine whether each of the correlation peaks meets a synchronization condition; S3, if none of the correlation peaks meets the synchronization condition, then determine the other antenna array planes 2 to be determined in turn, and repeat the sliding correlation process until one of the antennas on the antenna array plane 2 to be determined finds a correlation peak that meets the synchronization condition, and the antenna with the correlation peak that meets the synchronization condition is determined as the target measurement antenna; S4, performing signal-to-noise ratio measurement on the target measurement antenna, and determining whether a measurement result of the signal-to-noise ratio measurement meets a predetermined threshold; S5. If the target measurement antenna meets the predetermined threshold, the antenna array face 2 to be determined corresponding to the target measurement antenna is locked, and subsequent signal processing is performed on the antenna array face 2 to be determined; S6. After locking the antenna array face 2 to be judged, determine in real time whether the measurement result of the signal-to-noise ratio measurement of the target measurement antenna meets the preset threshold. If the measurement result of the signal-to-noise ratio measurement of the target measurement antenna does not meet the preset threshold, start array face polling.

[0057] In this embodiment, through this array selection method, the system can dynamically select the optimal antenna array 2 to receive the information of the target communication user. First, through sliding correlation processing, the system can accurately evaluate the quality of the received signal of each antenna array 2, and when no qualified signal is found, it automatically polls other antenna arrays 2 until the best signal source is found. After finding the best signal source, the system will further measure the signal-to-noise ratio of the signal to ensure that its quality meets the predetermined threshold. Only when the signal-to-noise ratio meets the requirement will the antenna array 2 be locked and subsequent processing will be performed. This process ensures the continuous optimization of signal quality during the communication process. Even if the signal environment changes or is interfered with, the system can re-find and lock the best signal reception path through the polling mechanism, thereby achieving stable and reliable communication.

[0058] Preferably, if it is necessary to receive information of a certain user, first, all four antennas of this array face are received separately, and all the data of the four antennas are slidingly correlated. Sliding correlation is a sliding correlation operation performed on the signal received by each antenna. Sliding correlation is a signal processing technology used to find the part of the signal that is most similar to the known reference signal (such as the pilot signal) and find whether the maximum correlation peak meets the synchronization condition. During the sliding correlation process, the system will find the point with the highest correlation, that is, the correlation peak. This peak indicates the best matching position of the reference signal in the received signal. If none of the four antennas meet the requirements, an antenna is replaced to continue sliding correlation. That is, if the sliding correlation of the four antennas does not find a peak that meets the synchronization conditions, it means that the current array face has not received the signal of the target user. The system will switch to another antenna to continue searching. If one antenna of this array face meets the sliding correlation, synchronization is found, and SNR measurement is further performed. If the sliding correlation of a certain antenna finds a peak that meets the conditions, the signal-to-noise ratio (SNR) of the signal received by the antenna is measured next. SNR is the ratio of signal strength to background noise strength, and is an important indicator for measuring signal quality. If an antenna on this array can be slidably correlated and the SNR measurement meets the threshold, it means that the target communication user is on this array, and the array is locked for subsequent beamforming and anti-interference processing. If the sliding correlation peak of an antenna meets the synchronization condition and the SNR measurement also meets the preset threshold, it indicates that the target communication user is likely to be on this array. The system will lock this array and perform subsequent processing, such as beamforming and anti-interference processing. After locking the user signal, the system can adjust the weight of the antenna array to form a narrow beam pointing to the user, thereby improving signal quality and communication efficiency. At the same time, the system will also perform anti-interference processing to ensure the stability and reliability of communication. If the user is locked, the subsequent synchronization is lost or the connection is not available or the SNR is too low, it means that the user has changed the array, and the array polling work is required. If synchronization is lost, the connection is not available or the SNR is too low during the subsequent communication process, this may mean that the target user has moved to the direction of another array. In this case, the system needs to re-poll the array to re-search and lock the target user signal.

[0059] In summary, the accurate digital processing of signals can be achieved. This design not only improves the accuracy of signal processing, but also ensures the stability and consistency of data conversion. When processing high-speed data streams, the analog-to-digital conversion unit can effectively reduce the noise and distortion in the analog signal, thereby improving the signal processing capability of the entire system. In addition, this high-precision conversion method enables the system to adapt to various complex signal processing requirements and enhances the robustness and reliability of the communication system.

[0060] Further, in step S5, the subsequent processing of the optimized signal at least includes beamforming and anti-interference processing.

[0061] In this embodiment, by performing subsequent signal processing on the target measurement antenna, the system can further improve the communication quality and anti-interference capability. The beamforming process can dynamically adjust the radiation direction of the antenna array 2 according to the position and movement trajectory of the target communication user, thereby enhancing the signal reception strength and reducing unnecessary radiation in other directions, thereby improving signal transmission efficiency. At the same time, the anti-interference process can identify and filter out interference from other signal sources to ensure the clarity and integrity of the target signal. This signal optimization process not only improves the communication quality of the system, but also can effectively counteract enemy electronic interference in a complex electromagnetic environment, ensuring the continuity and security of communication.

[0062] In summary, the antenna array 2 can be dynamically selected and adjusted during the communication process to ensure the optimization of signal quality. By monitoring the signal-to-noise ratio in real time, the system can quickly identify and respond to changes in signal quality, avoiding communication interruptions caused by signal attenuation or interference. This dynamic adjustment mechanism can greatly improve the adaptability and stability of the communication system, ensuring high-quality communication connections in various complex environments.

[0063] Furthermore, the array polling at least includes sequentially determining other antenna arrays 2 to be determined for sliding correlation processing until a new target measurement antenna that meets the synchronization condition is found, and repeating the operations of steps S4 to S5.

[0064] In this embodiment, during the communication process, if it is found that the signal received by the current antenna array face 2 no longer meets the quality requirements, the system will start the array polling mechanism, check the signal quality of other antenna array faces 2 in turn, determine the new target measurement antenna through sliding correlation processing, and perform signal-to-noise ratio measurement and subsequent optimization processing. This array polling mechanism ensures that the system can continuously optimize the signal receiving path throughout the communication process to avoid communication interruptions caused by signal quality degradation or external interference. Through continuous polling and adjustment, the system can flexibly respond to signal changes in complex environments, ensure high quality and stability of communication, thereby significantly improving the system's adaptability in dynamic environments, reducing communication risks, and ensuring the smooth execution of tasks.

[0065] In summary, it is possible to ensure that the signal reception path is continuously optimized throughout the communication process. This real-time monitoring and polling mechanism enables the system to automatically adjust the signal reception strategy to avoid signal degradation caused by environmental changes or interference, thereby maintaining high quality and stability of communication. This process significantly improves the system's adaptability in dynamic environments, reduces communication risks caused by unstable signals, and ensures the smooth execution of tasks.

[0066] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. An intelligent antenna array time-sharing working device, applied to a missile body, characterized in that: The invention comprises a data link module (1) located inside the missile body, and a plurality of antenna array surfaces (2) sequentially distributed around the missile body. The data link module (1) comprises an information integration module (11), and a radio frequency signal connector (12) and a space control interface signal connector (13) located at one end of the information integration module (11). The radio frequency signal connector (12) is connected to one of the antenna array surfaces (2). The antenna array surface (2) connected to the radio frequency signal connector (12) is sequentially connected in series with other antenna array surfaces (2). The space control interface signal connector (13) is respectively connected to each of the antenna array surfaces (2). The information integration module (11) configures a radio frequency baseband processing channel through the radio frequency signal connector (12) to process the received signals of the plurality of antenna array surfaces (2) in time sharing, or configures a plurality of radio frequency baseband processing channels through the space control interface signal connector (13) to process the received signals of the plurality of antenna array surfaces (2) simultaneously.

2. The intelligent antenna array time-sharing working device according to claim 1, characterized in that: There are three antenna array surfaces (2) in total, and each two adjacent antenna array surfaces (2) are equidistantly arranged with an angle of 120°.

3. The intelligent antenna array time-sharing working device according to claim 1, characterized in that: The antenna array surface (2) comprises an antenna located outside the projectile and an antenna array electrically connected to the antenna, and the antennas are provided with four antennas in total and are arranged conformally with the projectile.

4. The intelligent antenna array time-sharing working device according to claim 1, characterized in that: The data link module (1) also includes a low-frequency digital processing module, and the other end of the information integration module (11) is provided with a flexible internal signal interface connector (14) connected to the low-frequency digital processing module.

5. The intelligent antenna array time-sharing working device according to claim 4, characterized in that: The radio frequency signal connector (12) comprises a switch matrix (121) and a plurality of transceiver components (122), wherein the first data port of each transceiver component (122) is connected to the first data port of the switch matrix (121), the second data port of the transceiver component (122) is connected to the antenna array surface (2), and the second data port of the switch matrix (121) is connected to the data port of the information integration module (11).

6. The intelligent antenna array time-sharing working device according to claim 5, characterized in that: The information integration module (11) comprises an up-conversion amplifier circuit (111), a first down-conversion amplifier circuit (112), a second down-conversion amplifier circuit (113) and a main control chip (114); a first signal output terminal of the main control chip (114) is connected to a signal input terminal of the up-conversion amplifier circuit (111); a signal output terminal of the up-conversion amplifier circuit (111) is connected to a first signal input terminal of the switch matrix (121); a signal output terminal of the switch matrix (121) is connected to a first signal input terminal of the first down-conversion amplifier circuit (112); The signal output end of the first down-conversion amplifier circuit (112) is connected to the first signal input end of the main control chip (114), the signal output end of the switch matrix (121) is connected to the signal input end of the second down-conversion amplifier circuit (113), the signal output end of the second down-conversion amplifier circuit (113) is connected to the second signal input end of the main control chip (114), and the second signal output end of the main control chip (114) is connected to the second signal input end of the switch matrix (121).

7. The intelligent antenna array time-sharing working device according to claim 6, characterized in that: A first analog-to-digital conversion unit (117) is connected between the signal input end of the up-conversion amplifier circuit (111) and the signal output end of the main control chip (114), a second analog-to-digital conversion unit (115) is connected between the signal output end of the first down-conversion amplifier circuit (112) and the first signal input end of the main control chip (114), and a third analog-to-digital conversion unit (116) is connected between the signal output end of the second down-conversion amplifier circuit (113) and the second signal input end of the main control chip (114).

8. A method for selecting an array surface of an intelligent antenna array surface time-sharing working device, applied to an intelligent antenna array surface time-sharing working device as claimed in any one of claims 1 to 7, characterized in that: include: S1. In the process of receiving the target communication user information, determine the antenna array plane to be determined, and make each antenna on the antenna array plane to be determined receive separately to obtain a first antenna receiving signal; S2. Perform sliding correlation processing on each of the first antenna received signals to determine a correlation peak, and determine whether each of the correlation peaks meets a synchronization condition; S3, if none of the correlation peaks meets the synchronization condition, then determine other antenna arrays to be determined in turn, and repeat the sliding correlation process until one of the antennas on the antenna array to be determined finds a correlation peak that meets the synchronization condition, and the antenna with the correlation peak that meets the synchronization condition is determined as the target measurement antenna; S4, performing signal-to-noise ratio measurement on the target measurement antenna, and determining whether a measurement result of the signal-to-noise ratio measurement meets a predetermined threshold; S5. If the target measurement antenna meets the predetermined threshold, the antenna array surface to be determined corresponding to the target measurement antenna is locked, and subsequent signal processing is performed on the antenna array surface to be determined; S6. After locking the antenna array to be determined, determine in real time whether the measurement result of the signal-to-noise ratio measurement of the target measurement antenna meets a predetermined threshold. If the measurement result of the signal-to-noise ratio measurement of the target measurement antenna does not meet the predetermined threshold, start array polling.

9. The method for selecting an array face of an intelligent antenna array face time-sharing working device according to claim 8, characterized in that: In step S5, the optimization signal subsequent processing includes at least beamforming and anti-interference processing.

10. The method for selecting an array surface of a smart antenna array time-sharing working device according to claim 8, characterized in that: The array polling at least includes determining other antenna arrays to be judged in turn to perform sliding correlation processing until a new target measurement antenna that meets the synchronization condition is found, and repeating the operations of steps S4 to S5.

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