Composite frequency signal transceiving radio station and communication combination verification method thereof

Abstract

The invention provides a composite frequency signal transceiving radio station which comprises a ground communication radio station and an airborne communication radio station. The ground communication radio station is electrically connected with a ground radio station receiving antenna, a ground radio station verification signal transmitting antenna and a ground radio station main signal transmitting antenna. The airborne communication radio station is electrically connected with an airborne radio station receiving antenna, an airborne radio station verification signal transmitting antenna and an airborne radio station main signal transmitting antenna. Under the condition that confidential chip hardware equipment and software research and development are not invested, a similar encryption verification function of civil radio station communication is realized, and the anti-interference performance and the anti-theft performance are high.

Description

Technical Field

[0001] The present invention belongs to the technical field of wireless communication of aircraft, and in particular relates to a composite frequency signal transceiver station and a communication combination verification method thereof. Background Art

[0002] Radio data communication is widely used in aircraft flight missions. It uses the propagation principle of electromagnetic waves to achieve long-distance, long-duration, dynamic and reliable real-time communication of airborne signals in the air. The carrier frequency of the signal determines the transmission distance of radio communication and the degree of influence of the actual application environment. Radio communication between ground radio stations and airborne equipment or different airborne platforms in the air usually uses fixed frequency or regular frequency hopping to achieve real-time signal transmission. Military radio stations, on the basis of fixed frequency and frequency hopping, realize encryption processing of the transmission process by loading confidentiality chips, while civil radio communications have not yet stipulated unified encryption measures. The designers of radio communications achieve a certain degree of encryption processing through manual code editing rules and code specificity implantation. With the popularization and commercialization of radio communications, the awareness of commercial confidentiality of communication data has increased, and the demand for encryption processing in the radio communication verification process has become increasingly high. During the period when aircraft perform air flight missions, commercial behaviors need to pay attention to the confidentiality requirements of radio communication equipment and communication verification. It is urgent to study an unconventional communication verification method to solve the problems of poor anti-interference performance and low anti-theft performance of radio information in ordinary commercial communications. Summary of the invention

[0003] In view of the above problems, the object of the present invention is to provide a composite frequency signal transceiver station and a communication combination verification method thereof which can achieve a certain degree of confidentiality transmission without adding a confidentiality chip.

[0004] The present invention is achieved through the following technical solutions: A composite frequency signal transceiver station comprises a ground communication station and an airborne communication station; the ground communication station is electrically connected to a ground station receiving antenna, a ground station verification signal transmitting antenna and a ground station main signal transmitting antenna; the airborne communication station is electrically connected to an airborne station receiving antenna, an airborne station verification signal transmitting antenna and an airborne station main signal transmitting antenna.

[0005] A communication combination verification method for a composite frequency signal transceiver station comprises the following steps: A. After the airborne communication radio passes the power-on self-test, the main signal transmitting antenna of the airborne radio and the verification signal transmitting antenna of the airborne radio transmit the main signal F0 and the verification signal F1 respectively, and the ground radio receiving antenna matches the airborne radio signal. At the same time, at the T1 moment before the decoding of the main signal F0, the radio ID information, the frequency and waveform of the main signal F0, and the decoding mark of the main signal F0 transmitted by the verification signal are bidirectionally verified. If the verification fails, the airborne communication radio and the ground communication radio send a handshake failure mark, the radio communication is automatically terminated and the work log of the verification failure is reported; if the verification is successful, a handshake success mark is sent, and the airborne communication radio and the ground communication radio 1 start decoding and transmitting the main signal F0 after receiving the handshake success mark sent by the other party; B. After the verification signal F1 passes the verification, the frequency of the next verification signal F2 and the next verification time node T2 will be automatically selected in the verification frequency library. When the communication enters and reaches T2, the airborne communication radio and the ground communication radio begin to verify the verification signal F2, and repeat the verification process of step A; C. After the verification signal passes the verification, the frequency of the next verification signal F3 and the next verification time node T3 will be automatically selected in the verification frequency library. When the communication enters and reaches T3, the airborne communication radio and the ground communication radio begin to verify the verification signal F3, and repeat the verification process of step A. After the verification is qualified, the communication ends normally.

[0006] The verification time nodes must include T1 when the decoding of the main signal starts and T3 when the decoding ends. During the communication process, Tn can be preset with one or more verification time nodes in combination with communication requirements. The composite frequency signal transceiver station can simultaneously transmit and receive two or more radio signals of different frequencies, wherein the frequency of the main signal can be fixed, and the frequency of the verification signal can be specified in advance as a working frequency selection range or several fixed frequency selection ranges, to provide support for the automatic selection of the verification frequency. The verification time nodes set in the middle of the first communication verification and the last verification can be one or more. The selection of the time nodes is comprehensively considered in combination with factors such as the importance of the communication content and the communication duration span, or is set and controlled in real time during the communication process. The composite frequency signal transceiver station consists of an airborne communication station and a ground communication station. The ground station receiving antenna, the ground station verification signal transmitting antenna and the ground station main signal transmitting antenna can be connected to different stations, as long as the signal transmission between the stations is ensured to be synchronous. Considering the limited equipment space, the airborne station must have the transmission and reception functions of multiple frequencies at the same time.

[0007] Beneficial effects of the present invention: The present invention expands the functions on the basis of the civil code communication of the digital radio station, realizes the similar encryption verification function of the civil radio station communication without investing in the research and development of the confidentiality chip hardware equipment and software, and has good anti-interference performance and high anti-theft performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0008] The present invention is further described in detail below with reference to the accompanying drawings.

[0009] Figure 1 It is a flow chart of the present invention.

[0010] Figure 2 It is a working schematic diagram of the present invention.

[0011] As shown in the figure: 1- ground communication radio; 2- ground radio receiving antenna; 3- ground radio verification signal transmitting antenna; 4- ground radio main signal transmitting antenna; 5- airborne communication radio; 6- airborne radio receiving antenna; 7- airborne radio verification signal transmitting antenna; 8- airborne radio main signal transmitting antenna. DETAILED DESCRIPTION

[0012] The following is a description of the implementation of the present invention by means of specific embodiments. Those skilled in the art can easily understand other advantages and effects of the present invention from the contents disclosed in this specification.

[0013] It should be noted that the structures, proportions, sizes, etc. drawn in the drawings of this specification are only used to match the contents disclosed in the specification for people familiar with this technology to understand and read, and are not used to limit the limiting conditions for the implementation of the present invention, so they have no substantial technical significance. Any modification of the structure, change of the proportional relationship or adjustment of the size should still fall within the scope of the technical content disclosed by the present invention without affecting the effects and purposes that can be achieved by the present invention. At the same time, the terms such as "upper", "lower", "left", "right", "middle" and so on quoted in this specification are only for the convenience of description, and are not used to limit the scope of the implementation of the present invention. The change or adjustment of their relative relationship should also be regarded as the scope of the implementation of the present invention without substantially changing the technical content.

[0014] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "connected" and "connected" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be directly connected or indirectly connected through an intermediate medium. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances. It should be noted that the terms "include", "comprise" or any other variants are intended to cover non-exclusive inclusion, so that a process, method, article or device that includes a series of elements includes not only those elements, but also includes other elements that are not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0015] like Figure 1 , Figure 2 The composite frequency signal transceiver station shown includes: a ground communication station, a ground station receiving antenna 2, a ground station verification signal transmitting antenna 3, a ground station main signal transmitting antenna 4, an airborne communication station 5, an airborne station receiving antenna 6, an airborne station verification signal transmitting antenna 7, and an airborne station main signal transmitting antenna 8.

[0016] The ground communication station 1 is electrically connected to a ground station receiving antenna 2, a ground station verification signal transmitting antenna 3 and a ground station main signal transmitting antenna 4; the airborne communication station 5 is electrically connected to an airborne station receiving antenna 6, an airborne station verification signal transmitting antenna 7 and an airborne station main signal transmitting antenna 8.

[0017] A communication combination verification method for a composite frequency signal transceiver station comprises the following steps: A. After the airborne communication radio station 5 passes the power-on self-test, the airborne radio station main signal transmitting antenna 8 and the airborne radio station verification signal transmitting antenna 7 transmit the main signal F0 and the verification signal F1 respectively, and the ground radio station receiving antenna 2 matches the airborne radio station signal. At the same time, at time T1 before the decoding of the main signal F0, the radio station ID information, the main signal F0 frequency and waveform, and the main signal F0 decoding mark transmitted by the verification signal are bidirectionally verified. If the verification fails, the airborne communication radio station 5 and the ground communication radio station 1 send a handshake failure mark, the radio communication is automatically terminated and the verification failure work log is reported; if the verification is successful, a handshake success mark is sent, and the airborne communication radio station 5 and the ground communication radio station 1 start decoding and transmitting the main signal F0 after receiving the handshake success mark sent by the other party; B. After the verification signal F1 passes the verification, the frequency of the next verification signal F2 and the next verification time node T2 will be automatically selected in the verification frequency library. When the communication enters and reaches T2, the airborne communication radio 5 and the ground communication radio 1 start to verify the verification signal F2, and repeat the verification process of step A; C. After the verification signal passes the verification, the frequency of the next verification signal F3 and the next verification time node T3 will be automatically selected in the verification frequency library. When the communication enters and reaches T3, the airborne communication radio 5 and the ground communication radio 1 begin to verify the verification signal F3, and repeat the verification process of step A. After the verification is qualified, the communication ends normally.

[0018] The verification time nodes must include T1 when the decoding of the main signal starts and T3 when the decoding ends. During the communication process, Tn can be preset with one or more verification time nodes in combination with communication requirements. The composite frequency signal transceiver station can simultaneously transmit and receive two or more radio signals of different frequencies, wherein the frequency of the main signal can be fixed, and the frequency of the verification signal can be specified in advance as a working frequency selection range or several fixed frequency selection ranges, to provide support for the automatic selection of the verification frequency. The verification time nodes set in the middle of the first communication verification and the last verification can be one or more. The selection of the time nodes is comprehensively considered in combination with factors such as the importance of the communication content and the communication duration span, or is set and controlled in real time during the communication process. The composite frequency signal transceiver station consists of an airborne communication station 5 and a ground communication station 1, wherein the ground station receiving antenna 2, the ground station verification signal transmitting antenna 3 and the ground station main signal transmitting antenna 4 can be connected to different stations, as long as the signal transmission between the stations is ensured to be synchronous. Considering the limited equipment space, the airborne station must have the transmission and receiving functions of multiple frequencies at the same time.

[0019] The protection scope of the present invention is not limited to the technical solutions disclosed in the specific implementation methods. Any modifications, equivalent replacements, improvements, etc. made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A composite frequency signal transceiver station, characterized in that: The invention comprises a ground communication station (1) and an airborne communication station (5); the ground communication station (1) is electrically connected to a ground station receiving antenna (2), a ground station verification signal transmitting antenna (3) and a ground station main signal transmitting antenna (4); the airborne communication station (5) is electrically connected to an airborne station receiving antenna (6), an airborne station verification signal transmitting antenna (7) and an airborne station main signal transmitting antenna (8).

2. The communication combination verification method of a composite frequency signal transceiver station according to claim 1, characterized in that: The following steps are involved: A. After the airborne communication radio (5) passes the power-on self-test, the airborne radio main signal transmitting antenna (8) and the airborne radio verification signal transmitting antenna (7) transmit the main signal F0 and the verification signal F1 respectively, and the ground radio receiving antenna (2) matches the airborne radio signal. At the same time, at time T1 before the main signal F0 is decoded, the radio ID information, the main signal F0 frequency and waveform, and the main signal F0 decoding mark transmitted by the verification signal are bidirectionally verified. If the verification fails, the airborne communication radio (5) and the ground communication radio (1) send a handshake failure mark, the radio communication is automatically terminated and the verification failure work log is reported; if the verification is successful, a handshake success mark is sent, and the airborne communication radio (5) and the ground communication radio (1) start decoding and transmitting the main signal F0 after receiving the handshake success mark sent by the other party; B. After the verification signal F1 passes the verification, the frequency of the next verification signal F2 and the next verification time node T2 will be automatically selected in the verification frequency library. When the communication enters and reaches T2, the airborne communication radio (5) and the ground communication radio (1) begin to verify the verification signal F2, and repeat the verification process of step A; C. After the verification signal passes the verification, the frequency of the next verification signal F3 and the next verification time node T3 will be automatically selected in the verification frequency library. When the communication enters and reaches T3, the airborne communication radio (5) and the ground communication radio (1) begin to verify the verification signal F3, repeating the verification process of step A. After the verification is qualified, the communication ends normally.

3. The communication combination verification method of a composite frequency signal transceiver station according to claim 2, characterized in that: The verification time nodes must include T1 when the main signal starts decoding and T3 when the decoding ends. During the communication process, one or more verification time nodes Tn are preset in combination with communication requirements.

4. The communication combination verification method of a composite frequency signal transceiver station according to claim 2, characterized in that: The composite frequency signal transceiver station can simultaneously transmit and receive two or more radio signals of different frequencies, wherein the frequency of the main signal is fixed, and the frequency of the verification signal can be specified in advance as an operating frequency selection range or several fixed frequency selection ranges, providing support for the automatic selection of the verification frequency.

5. The communication combination verification method of a composite frequency signal transceiver station according to claim 2, characterized in that: The verification time node set between the first communication verification and the last verification can be one or more. The selection of the time node is comprehensively considered in combination with factors such as the importance of the communication content and the communication duration span, or is set and controlled in real time during the communication process.

6. The communication combination verification method of a composite frequency signal transceiver station according to claim 2, characterized in that: The composite frequency signal transceiver station is composed of an airborne communication station (5) and a ground communication station (1). The ground station receiving antenna (2), the ground station verification signal transmitting antenna (3) and the ground station main signal transmitting antenna (4) can be connected to different stations as long as the signal transmission between the stations is synchronized. Considering the limited space of the equipment, the airborne station must have the transmission and reception functions of multiple frequencies at the same time.

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