An open architecture terminal

Abstract

The application provides an open architecture terminal, and belongs to the technical field of measurement and control communication, and solves the problems of large volume, high power consumption and poor expansibility of traditional terminal equipment under a multi-module combined architecture; the terminal comprises a flexible array transceiving unit, an open reconfigurable baseband processing unit and a heterogeneous system fusion cross-domain networking unit; the flexible array transceiving unit is used for covering multiple measurement and control communication frequency bands, the open reconfigurable baseband processing unit is used for supporting independent loading of different measurement and control communication systems for each beam in the measurement and control communication process, and the heterogeneous system fusion cross-domain networking unit is used for port conversion and routing distribution of heterogeneous network data, and simultaneously expands multiple measurement and control communication paths; the terminal of the application realizes reconfiguration and concurrency of multiple functions through arbitrary flexible combination of structure and interface standardized functional modules and full data exchange process among the modules, and has the advantages of development reusability, rapid integration, easy upgrading and rapid delivery.

Description

TECHNICAL FIELD

[0001] The application belongs to the technical field of measurement and control communication, and is applied to a missile, a satellite, an aerostat and an unmanned aerial vehicle platform, serves as a terminal device, and provides a measurement and control communication path for a platform system. BACKGROUND

[0002] In the prior art, there are obvious network properties between measurement and control communication systems in different technical fields, and the frequency, waveform, beam form and networking protocol are different, so that the rapid flow process of information between different links is hindered. The traditional multifunctional terminal adopts a multi-module combined architecture, which has the disadvantages of large size, high power consumption and poor expansibility, and the adaptability of flexible loading on multiple platforms is also weak.

[0003] With the change process that space-air-ground networked information collaboration becomes the main trend in the future, there is an urgent need for a terminal device with a new architecture in the field to support multi-service instant reconstruction, realize seamless switching and on-demand reconstruction process, so the design and development of the new architecture terminal device have become the focus of the technical personnel in the field. SUMMARY

[0004] To solve the limitations of the existing terminal in the background art and meet the functional concepts of “interconnection and intercommunication” and “roaming access”, the application is based on a modular, open and full switching design method, realizes the reconstruction and concurrency of multiple functions on demand through the arbitrary flexible combination of structure and interface standardized functional modules and the full switching process of data between modules, and obtains a terminal with a new architecture, which has the advantages of development reusability, rapid integration, easy upgrade and rapid delivery.

[0005] The application adopts the following technical solutions to achieve the purpose:

[0006] An open architecture terminal, the terminal comprising a flexible array transceiver unit, an open reconfigurable baseband processing unit and a heterogeneous system fusion cross-domain networking unit; the flexible array transceiver unit is used to cover multiple measurement and control communication frequency bands, the open reconfigurable baseband processing unit is used to support independent loading of different measurement and control communication systems for each beam in the measurement and control communication process, and the heterogeneous system fusion cross-domain networking unit is used for port conversion and routing distribution of heterogeneous network data, and simultaneously expands multiple measurement and control communication paths.

[0007] Further, the flexible array transceiver unit comprises a multi-band antenna and a chipped radio frequency transceiver system; the measurement and control communication frequency bands covered by the multi-band antenna include L, S, Ka and X frequency bands; and the chipped radio frequency transceiver system is used to perform the functions of link signal amplification, filtering, AD and DA through chip design.

[0008] Specifically, according to different loading positions of the terminal, the multi-band antenna includes a missile / arrow platform multi-band antenna, a high dynamic weapon platform multi-band antenna and a satellite platform multi-band antenna.

[0009] Further, the flexible array transceiver unit is further configured to, according to the configuration category, quantity and the number of beams to be formed of the multi-band antenna, transmit relevant parameters to the open reconfigurable baseband processing unit through a standard transmission frame format before forming the beams, so as to realize the beam forming process.

[0010] Further, the open reconfigurable baseband processing unit includes a plurality of universal standard baseband processing modules; each universal standard baseband processing module is configured to load different measurement and control communication systems as required, and the measurement and control communication systems include Beidou, satellite communication, ad hoc network data link, space-based measurement and control and ground-based measurement and control.

[0011] Preferably, the plurality of universal standard baseband processing modules further constitute an open baseband processing system, and the open baseband processing system is configured to complete baseband processing work of each link signal, and the baseband processing work includes modulation, demodulation, coding and decoding work.

[0012] Further, the heterogeneous system fusion cross-domain networking unit includes a management control module; the management control module is configured to collect, process, handle, control, fuse and forward heterogeneous network data, realize port conversion and routing distribution of a plurality of heterogeneous network data, and expand a plurality of measurement and control communication paths for the terminal through the heterogeneous system fusion cross-domain networking unit to provide a transmission link for a measurement and control communication system.

[0013] Further, the heterogeneous system fusion cross-domain networking unit is further configured to perform parameter configuration, state monitoring and external information interaction process of a module unit part of the terminal.

[0014] Further, two sets of switching networks are formed between the units inside the terminal; wherein the plurality of universal standard baseband processing modules of the open reconfigurable baseband processing unit are connected through a high-speed serial transmission bus to form a ring-shaped switching network, the ring-shaped switching network is configured to perform inter-board transmission and switching of high-speed data and provide data backup transmission between the universal standard baseband processing modules; the flexible array transceiver unit, the open reconfigurable baseband processing unit and the management control module of the heterogeneous system fusion cross-domain networking unit are connected through a high-speed serial transmission bus, a low-speed parallel transmission bus, a control bus and an Ethernet bus to form a star-shaped switching network, and the star-shaped switching network is configured to perform state information reporting of each unit module in the terminal, control command issuing, high-speed / low-speed service data transmission and online configuration file updating process.

[0015] Specifically, the terminal provides a gigabit network interface and a control bus interface to the outside, the control bus interface includes an RS422 interface and a CAN bus interface; the terminal is further configured to adaptively match the antennas and radio frequency transceiver indicators of each functional link in the terminal according to different loading platforms.

[0016] In summary, due to the adoption of the technical solution, the application has the following advantages:

[0017] Based on the newly constructed terminal architecture, the terminal supports instant reconstruction of multiple services, can realize seamless switching and on-demand reconstruction, solves the problems of core concepts such as 'interconnection' and 'roaming access' in the TT&C communication system, and eliminates the problems of large size, high power consumption, poor expandability and weak adaptability of multiple platforms of the traditional terminal architecture. Due to the modular, open and full switching design of the terminal, under the support of standardized structure and interface, the arbitrary flexible combination of functional modules and full switching of data between modules, the multi-functional reconstruction and concurrent effect are realized, so that the ability of reusable terminal development, rapid integration, easy upgrade and rapid delivery can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 Fig. 1 is a terminal logical architecture view of the application;

[0019] Figure 2 Fig. 2 is a hardware composition view of the terminal of the application;

[0020] Figure 3 Fig. 3 is an internal switching network schematic diagram of the terminal of the application;

[0021] Figure 4 Fig. 4 is a high-availability operation flowchart of the terminal of the application. DETAILED DESCRIPTION

[0022] In order to make the purpose, technical scheme and advantages of the embodiments of the application clearer, the technical scheme in the embodiments of the application will be described clearly and completely below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are part of the embodiments of the application, rather than all the embodiments. The components of the embodiments of the application described and shown in the drawings can be arranged and designed in various different configurations.

[0023] Therefore, the following detailed description of the embodiments of the application provided in the drawings is not intended to limit the scope of the claimed application, but only represents selected embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those of ordinary skill in the art without creative labor are within the scope of protection of the application.

[0024] An open architecture terminal, its constituent relationship can be seen in the diagram Figure 1 , the terminal includes a flexible array transceiver unit, an open reconfigurable baseband processing unit and a heterogeneous system fusion cross-domain networking unit; wherein the flexible array transceiver unit is used to cover a variety of TT&C communication frequency bands including L, S, Ka and X frequency bands; the open reconfigurable baseband processing unit supports independent loading of different TT&C communication systems for each beam in the TT&C communication process, and its loadable system functions include but are not limited to Beidou, satellite communication, ad hoc network data link, space-based TT&C and ground-based TT&C, etc. The heterogeneous system fusion cross-domain networking unit can complete the collection, processing, processing, control, fusion and forwarding of heterogeneous network data, thereby realizing the port conversion and routing distribution functions of heterogeneous network data. At the same time, based on the unit, the terminal can expand multiple TT&C communication paths to provide a variety of, high-reliability and redundant transmission links for the TT&C communication system.

[0025] Table 1 below describes the transmission data protocol frame format between the flexible array transceiver unit and the open reconfigurable baseband processing unit of the terminal in this embodiment, please refer to.

[0026] Table 1 Transmission data protocol between flexible array transceiver unit and open reconfigurable baseband processing unit

[0027]

[0028]

[0029] In this embodiment, the terminal transmits relevant parameters to the open reconfigurable baseband processing unit before beamforming according to the configuration category, number of multi-band antennas and the number of beams to be formed, for beamforming. The transmission frame format is as follows from high bit to low bit:

[0030] (1) Frame header: including 4 bytes of message header (HEAD), 1 byte of frame count, 2 bytes of frame length, 1 byte of reserved bit;

[0031] (2) Data field: variable length data content (DATA), starting with the total number of beams to be formed (occupying 1 byte), then sequentially divided into beam identifier, pointing, gain, polarization mode, frequency point of each beam, each occupying 1 byte;

[0032] (3) Frame tail: 4 bytes of frame end flag.

[0033] Table 2 below describes the transmission data protocol frame format between the open reconfigurable baseband processing unit and the heterogeneous system fusion cross-domain networking unit of the terminal in this embodiment, please refer to.

[0034] Table 2 Transmission data protocol between open reconfigurable baseband processing unit and heterogeneous system fusion cross-domain networking unit

[0035]

[0036]

[0037] In this embodiment, the terminal supports independent loading of different measurement and control communication systems for each beam, and the heterogeneous system fusion cross-domain networking unit completes operations such as collection, processing, handling, control, fusion, and forwarding of data. The heterogeneous system fusion cross-domain networking unit can realize functions such as port conversion and routing distribution of multiple heterogeneous network data, so the terminal link data needs to be transmitted from the open reconfigurable baseband processing unit to the heterogeneous system fusion cross-domain networking unit in a certain protocol frame format to complete operations such as collection, processing, handling, control, fusion, and forwarding of data. The protocol frame format is as follows from high to low:

[0038] (1) Frame header: including 4 bytes of message header (HEAD), 1 byte of frame count, 2 bytes of frame length, and 1 byte of reserved bit;

[0039] (2) Data field: in turn, the source area of data transmission (occupying 1 byte, indicating the platform where the data terminal is located, such as a UAV, a missile, etc.), the source link of data transmission (occupying 1 byte, indicating which link the data is transmitted from, such as Beidou, Tian Tong, etc.), the destination area of data transmission (occupying 1 byte, indicating the platform where the data terminal is located, such as a UAV, a missile, etc.), the destination link of data transmission (occupying 1 byte, indicating the link used by the terminal to receive data, such as Beidou, Tian Tong, etc.), the frame type (occupying 1 byte, indicating which transmission bus the heterogeneous system fusion cross-domain networking unit receives the data through, such as LVDS, Aurora, etc.), and finally the actual transmission data valid area, which is a variable length Data[N];

[0040] (3) Frame tail: 4 bytes of frame end flag.

[0041] In this embodiment, as shown in FIG. 1, the hardware composition of each unit in the terminal is introduced as follows. Figure 2

[0042] The flexible array transceiver unit includes a multi-band antenna and a chipped RF transceiver system. The multi-band antenna includes a multi-band antenna suitable for multiple platforms such as missiles, rockets, satellites, and UAVs. The chipped RF transceiver system is based on chip design and realizes functions such as amplification, filtering, AD, DA, etc. of link signals.

[0043] ​The open reconfigurable baseband processing unit includes a plurality of standardized general baseband processing modules, and the plurality of standardized general baseband processing modules also constitute an open baseband processing system; the open baseband processing system completes baseband processing of signals of each link, such as modulation, demodulation, coding, decoding and the like; each standardized general baseband processing module can load different measurement and control communication systems as required, and the loadable system functions include but are not limited to Beidou, satellite communication (such as Tianhong), ad hoc network / data link, space-based measurement and control, ground-based measurement and control and the like.

[0044] The heterogeneous system fusion cross-domain networking unit includes a management control module and simultaneously provides a corresponding interface part; the heterogeneous system fusion cross-domain networking unit can complete collection, processing, handling, control, fusion and forwarding operations of heterogeneous network data, and realize port conversion and routing distribution of multiple heterogeneous network data; simultaneously, the heterogeneous system fusion cross-domain networking unit is also responsible for parameter configuration, state monitoring and external information interaction of each module unit inside the terminal and the like.

[0045] In the embodiment, as shown in Figure 3 After the terminal adopts standardized and generalized module design, two sets of switching networks, i.e. a star-shaped switching network and a ring-shaped switching network, are formed inside the terminal to ensure high availability between terminal modules. The star-shaped switching network and the ring-shaped switching network based on interconnection improve the anti-destroying and robustness of the terminal. The specific settings of the switching networks are as follows:

[0046] The plurality of standardized general baseband processing modules of the open reconfigurable baseband processing unit are connected through a high-speed serial transmission bus (such as Aurora) to form a ring-shaped switching network, and the ring-shaped switching network is used for inter-board transmission and switching of high-speed data and provides data backup transmission between the standardized general baseband processing modules.

[0047] The flexible array transceiver unit and the open reconfigurable baseband processing unit are connected with the management control module of the heterogeneous system fusion cross-domain networking unit through a high-speed serial transmission bus (such as Aurora), a low-speed parallel transmission bus (such as LVDS), a control bus (such as RS422) and an Ethernet bus to form a star-shaped switching network, and the star-shaped switching network is used for reporting of state information of each unit module in the terminal, issuing of control commands, transmission of high-speed / low-speed service data and online updating of configuration files.

[0048] The inter-board transmission and switching relationship of high-speed data in the switching network is as follows:

[0049] (1) The modules and the management control module are connected through a control bus (such as RS422) to realize transmission of control and state information;

[0050] (2) Each general standard baseband processing module is connected through Aurora to realize high-speed data exchange based on ring network;

[0051] (3) Each general standard baseband processing module is connected with the management control module through high-speed serial transmission bus (such as Aurora) and low-speed parallel transmission bus (such as LVDS) to realize high-speed data and low-speed data interaction based on star network;

[0052] (4) The management control module completes online update, dynamic loading and configuration of each baseband processing module through gigabit network.

[0053] In this embodiment, as shown in Figure 4 the high-availability operation flow of the terminal is as follows: the measurement and control communication mode of the terminal is configured as needed, the terminal normally works, when signal processing of a general standard baseband processing module in operation fails, the management control module detects whether there is an idle general standard baseband processing module in the terminal, if yes, the exchange component in the faulty general standard baseband processing module exchanges data flow to the idle general standard baseband processing module through the high-speed serial transmission bus for processing under the control of the management control module, and the related mode is continuously executed, if not, the management control module reports fault alarm information to the outside.

Claims

1. An open architecture terminal, characterized by: The terminal comprises a flexible array transceiving unit, an open reconfigurable baseband processing unit and a heterogeneous system fusion cross-domain networking unit. The flexible array transceiving unit is used for covering multiple TT&C communication frequency bands, and the open reconfigurable baseband processing unit is used for supporting independent loading of different TT&C communication systems for each beam in the TT&C communication process. The heterogeneous system fusion cross-domain networking unit is used for port conversion and routing distribution of heterogeneous network data, while expanding multiple TT&C communication paths. The flexible array transceiving unit comprises a multi-band antenna and a chipped RF transceiving system; the TT&C communication frequency bands covered by the multi-band antenna include L, S, Ka and X bands; and the chipped RF transceiving system is used for performing the functional processes of link signal amplification, filtering, AD and DA through chip design. The open reconfigurable baseband processing unit comprises multiple universal standard baseband processing modules; each universal standard baseband processing module is used for independently loading different TT&C communication systems on demand, and the TT&C communication systems include Beidou, satellite communication, ad hoc network data link, space-based TT&C and ground-based TT&C. The heterogeneous system fusion cross-domain networking unit comprises a management control module; the management control module is used for collection, processing, handling, control, fusion and forwarding operations of heterogeneous network data, realizes port conversion and routing distribution of multiple heterogeneous network data; and the terminal expands multiple TT&C communication paths through the heterogeneous system fusion cross-domain networking unit, thereby providing a transmission link for a TT&C communication system.

2. The open architecture terminal of claim 1, wherein: According to different loading positions of the terminal, the multi-band antenna comprises a missile / arrow platform multi-band antenna, a high-dynamic weapon platform multi-band antenna and a satellite platform multi-band antenna.

3. The open architecture terminal of claim 1, wherein: The flexible array transceiving unit is also used for, according to the configuration category, quantity and the number of beams to be formed of the multi-band antenna, transmitting relevant parameters to the open reconfigurable baseband processing unit through a standard transmission frame format before forming the beams, thereby realizing the beam forming process.

4. The open architecture terminal of claim 1, wherein: The multiple universal standard baseband processing modules also constitute an open baseband processing system, which is used for completing baseband processing work of each link signal, and the baseband processing work includes modulation, demodulation, coding and decoding work.

5. The open architecture terminal of claim 1, wherein: The heterogeneous system fusion cross-domain networking unit is also used for parameter configuration, state monitoring and external information interaction process of the module unit part of the terminal.

6. The open architecture terminal of claim 1, wherein: Two sets of switching networks are formed between the units inside the terminal; wherein, the multiple universal standard baseband processing modules of the open reconfigurable baseband processing unit are connected through high-speed serial transmission bus to form a ring-shaped switching network, the ring-shaped switching network is used for inter-board transmission and exchange of high-speed data and provides data backup transmission between the universal standard baseband processing modules; the flexible array transceiver unit and the open reconfigurable baseband processing unit are connected with the management control module of the heterogeneous system fusion cross-domain networking unit through high-speed serial transmission bus, low-speed parallel transmission bus, control bus and Ethernet bus to form a star-shaped switching network, the star-shaped switching network is used for reporting of state information of each unit module in the terminal, issuing of control commands, transmission of high-speed / low-speed service data and online updating process of configuration files.

7. The open architecture terminal of claim 1, wherein: The terminal provides gigabit network interface and control bus interface to the outside, the control bus interface includes RS422 interface and CAN bus interface; the terminal is also used for adaptive matching of antennas and radio frequency transceiver indicators of each functional link in the terminal according to different loading platforms.

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