Modular on-board system of digital radio communication means

FIELD: radio engineering, communication.

SUBSTANCE: invention relates to communication systems and specifically to systems of digital radio communication means, and can be sued to exchange data and audio and video information between aerial, ground, water-borne and space objects. The modular on-board system of digital radio communication means comprises 2N crates consisting of two control switching modules and two computing modules, 4N-channel communication modules comprising digital-to-analogue and analogue-to-digital converters and a power amplifier, made in a single unit spatially spaced apart with the crate.

EFFECT: improved energy-efficiency and reliability of digital radio communication.

1 dwg

 

The invention relates to communication systems, namely complexes digital radio, and can be used for exchanging data and audio-video information between air, ground, sea and space objects.

At the present time for digital radio communications use communications systems built on the principles for the use of specialized channeling equipment under the control of the switching control device, United by a common control bus. For example, the known complex onboard means of digital communications that is designed to implement the radio range of 2 MHz to 6 GHz [1]. The disadvantages of analogue should include pre-defined structure, which assumes completion of the entire complex, the binding of the switching control device to a specific channel forming apparatus, and the data link transmission path data of high-frequency cables for transmission of analog information.

The use of this architecture when building complexes digital radio does not provide the necessary flexibility in the complex, its scalability, and imposes additional restrictions on the execution of the modules due to the use of high-frequency cables, which has a negative impact on physical features is brought to the complex and its power consumption.

Another way to build aircraft communication system is a method based platforms modular avionics [2]. This solution allows you to more effectively implement on-Board communications systems and their interaction with other onboard systems [3, 4]. This approach allows you to create modular on-Board complex means of communication, not inferior to terrestrial analogs [5] in terms of scalability, but surpasses them in terms of versatility and overall size.

The main technical problem on which the invention is directed, is the proposal of a complex on-Board digital radio platform modular avionics, the structure of which implemented the principles of programmable radio that provides improved weight and size characteristics, energy efficiency and reliability of digital radio.

This technical result is achieved by the fact that the proposed modular on-Board complex digital Radiocommunication containing 2N racks, consisting of two governors of the switching modules and two computing modules, and computational modules rack is made universal and programmable, able to work with a channel communication modules of any type, and 4N channel of communication modules containing DAC-ADC Converter and amplifier powerfully the tee, made in a single block, spatially separated from the rack, connected together such that the first group of inputs-outputs of the first switching control module 2N-1 rack connected to a digital data line with the first group of inputs-outputs of the first computing module 2N-1 rack, the second group of inputs-outputs of the first switching control module 2N-1 rack connected to a digital data line with the first group of inputs-outputs of the second computing module 21M-1 rack, the third group of inputs-outputs of the first computing module 2N-1 rack connected digital data line with the first group of input-output 4N-3-th channel module, the fourth group of inputs-outputs of the first computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-1 channel module, the first group of inputs-outputs of the second control switching module 2N-1 rack connected to a digital data line with the second group of inputs-outputs of the first computing module 2N-1 rack, the second group of inputs-outputs of the second control switching module 2N-1 th rack connected to a digital data line with the second group of inputs-outputs of the second computing module 2N-1 rack, the third group of input-output is in the second computer module 2N-1 rack connected to a digital data line with the first group of input-output 4N-2-th channel module, the fourth group of inputs-outputs of the second computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-th channel module, the first group of inputs-outputs of the first switching control module 2N-th rack connected to a digital data line with the first group of inputs-outputs of the first computing module 2N-th rack, the second group of inputs-outputs of the first switching control module 2N-th rack connected to a digital data line with the first group of inputs-outputs of the second computing module 2N-th rack, the third group of inputs-outputs the first computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-3-th channel module, the fourth group of inputs-outputs of the first computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-1 channel module, the first group of inputs-outputs of the second control switching module 2N-th rack connected to a digital data line with the second group of inputs-outputs of the first computing module 2N-th rack, the second group of inputs-outputs of the second control switching module 2N -the first rack connected to a digital data line with the second group of input-output W is cerned computing module 2N-th rack, the third group of inputs-outputs of the second computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-2-th channel module, the fourth group of inputs-outputs of the second computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-th channel module, a high-frequency input-output channel terminals are connected with the antenna equipment and the control switching module racks are interconnected and avionics high-speed data bus.

The main features of the proposed complex communication are:

- use communication digital versatile programmable modules

- the use of a transmitting radio, made in a single block device DAC-ADC

spatial separation equipment of digital signal processing and transmitting device

- fully digital data communication within the communications system.

The composition and structure of the complex is reflected in the drawing, the power sources and other secondary elements are omitted:

1-1, 1-2 - 1st and 2nd managing switching module, respectively,

2-1, 2-2 - 1-th and 2-th computing module (digital signal processing - DSP), respectively,

3-DAC-And The P Converter

4 - power amplifier

5 - channel communication module,

6 - rack "

7 - antenna equipment.

Complex airborne radio communications consists of two or more racks 6 containing programmable switching control unit 1-1, connected digital data lines with universal programmable modules CSO 2-1, 2-2, and backup switching control unit 1-2, similarly connected with a universal programmable modules CSO 2-1, 2-2. This universal programmable module CSO 2-1 is connected to the digital line transmission data with the 1st channel of the communication module 5, containing the DAC-ADC Converter 3 and the amplifier 4, and is connected to the same line with 2-m, 3-m and 4-m channel communication modules 5. Universal programmable module CSO 2-2 is connected to the digital line transmission data with the 1st channel of the communication module 5, and is connected to the same data line 2-m, 3-m and 4-m channel communication modules 5. Channel modules in turn are connected by a high-frequency connection with the antenna equipment 7. Universal programmable modules of the second rack connected with a channel modules similarly universal programmable modules of the first rack. The switching control modules are connected among themselves and with the avionics high the high speed data bus. Optional plug-in modules are connected in the same way.

The complex is carried out as follows. Data intended for transmission to, do a high speed data bus to the corresponding switching control device of complex systems avionics of the aircraft. Selecting according to established algorithms necessary for the transmission radio resource, the switching control unit transmits data via a digital data link universal programmable module CSO, or, if necessary, another switching control device for subsequent transmission to the relevant modules of the CSO. The corresponding universal programmable module CSO received from the switching control module data communication, preparing them for transmission, converts the set to send the form, and transmits the digital data lines in the corresponding channel module. DAC-ADC Converter channel module, after receiving the data, converts them into analog pulses and transmits them to the power amplifier for the subsequent issuance of antenna-feeder equipment and broadcasts. Reception of data is carried out analogously in reverse order. Adopted by the antenna-feeder equipment radio Preobrazhenie the channel module in a digital form and transmitted to the corresponding universal programmable module CSO, from which, after any necessary processing, is transmitted through a corresponding switching control device of complex avionics systems.

The effectiveness of the complex is determined by:

- use universal programmable modules for the digital processing of information

- use of digital data lines for transferring information between the channel forming equipment,

- spatial diversity modules digital information processing and transmitting equipment.

The proposed structure of the complex provides:

- high speed and reliability of communication

- optimum physical characteristics

- high efficiency,

- the simplicity and flexibility of zooming the expansion of the radio.

LITERATURE

1. The decision to grant a patent for utility model application No. 2011154659/07(082139) dated 30.12.2011,

2. RF patent 2413280.

3. Vdovin L.M., Goryacheva TI Introduction the concept of integrated modular avionics in onboard communication systems. 2008. Cybernetics and high technologies of the XXI century. May 13-15, Voronezh, Russia.

4. Vdovin L.M., mil V.R., Chicherin AV Integrated modular avionics. 2010. Cybernetics and high technologies of the XXI century. May 12-14, Voronezh, Russia.

5. RF patent 2308175.

Modular Brevannes digital radio, containing 2N racks, consisting of two governors of the switching modules and two computing modules, and computational modules rack is made universal and programmable, able to work with a channel communication modules of any type, and 4N channel of communication modules containing DAC-ADC Converter and a power amplifier, made in a single block, spatially separated from the rack, connected together such that the first group of inputs-outputs of the first switching control module 2N-1 rack connected to a digital data line with the first group of inputs-outputs of the first computing module 2N-1 rack, the second the group of inputs-outputs of the first switching control module 2N-1 rack connected to a digital data line with the first group of inputs-outputs of the second computing module 2N-1 rack, the third group of inputs-outputs of the first computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-3-th channel module, the fourth group of inputs-outputs of the first computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-1 channel module the first group of inputs-outputs of the second control switching module 2N-1 rack connected digital is th data line with the second group of inputs-outputs of the first computing module 2N-1 rack, the second group of inputs-outputs of the second control switching module 2N-1 rack connected to a digital data line with the second group of inputs-outputs of the second computing module 2N-1 rack, the third group of inputs-outputs of the second computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-2-th channel module, the fourth group of inputs-outputs of the second computing module 2N-1 rack connected to a digital data line with the first group of input-output 4N-th channel module, the first group of inputs-outputs of the first switching control module 2N-th rack connected to a digital data line with the first group of inputs-outputs of the first computing module 2N-th rack, the second group of inputs-outputs of the first switching control module 2N-th rack connected to a digital data line with the first group of inputs-outputs of the second computing module 2N-th rack, the third group of inputs-outputs of the first computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-3-th channel module, the fourth group of inputs-outputs the first computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-1, canalin the first module, the first group of inputs-outputs of the second control switching module 2N-th rack connected to a digital data line with the second group of inputs-outputs of the first computing module 2N-th rack, the second group of inputs-outputs of the second control switching module 2N-th rack connected to a digital data line with the second group of inputs-outputs of the second computing module 2N-th rack, the third group of inputs-outputs of the second computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-2-th channel module, the fourth group of inputs-outputs the second computing module 2N-th rack connected to a digital data line with the second group of inputs-outputs 4N-th channel module, a high-frequency input-output channel terminals are connected with the antenna equipment and the control switching module racks are interconnected and avionics high-speed data bus.



 

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