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Intelligent spectrum agility semi-physical simulation experiment system and method based on USRP

A hardware-in-the-loop simulation and experimental system technology, applied in the field of electromagnetic spectrum anti-jamming, can solve the problem of lack of strong convincing software simulation, improve system anti-jamming and robustness, promote system verification, and reduce time and cost. Effect

Inactive Publication Date: 2020-02-04
NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

However, the verification of these algorithms so far is only limited to software simulation, which has not been combined with the actual electromagnetic spectrum environment, so software simulation lacks strong convincing power

Method used

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  • Intelligent spectrum agility semi-physical simulation experiment system and method based on USRP
  • Intelligent spectrum agility semi-physical simulation experiment system and method based on USRP
  • Intelligent spectrum agility semi-physical simulation experiment system and method based on USRP

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Embodiment

[0044] The schematic diagram of the principle of the semi-physical experimental system of the present invention is as figure 1 As shown, it includes a spectrum management center (hereinafter referred to as the frequency management center), a wireless service originating terminal, a wireless service receiving end, and a jammer. The wireless service originating end includes computer A, business equipment A, frequency management equipment A and antenna, the wireless service receiving end includes computer B, business equipment B, frequency management equipment B and antenna, and the frequency management center includes computer C, frequency management equipment C and antenna . Among them, service equipment A and service equipment B are both USRP 2943, and frequency management equipment A, frequency management equipment B, and frequency management equipment C are all USRP 2920.

[0045] Spectrum Management Center software interface such as figure 2 As shown, it includes a modul...

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Abstract

The invention discloses an intelligent spectrum agility semi-physical simulation experiment system and method based on USRP. The semi-physical simulation experiment system comprises a frequency tube center, a wireless service sending end, a wireless service receiving end and a jammer. The frequency tube center is composed of a computer, a USRP 2920 and an antenna; each wireless service transceiving module is composed of a computer, a USRP 2943, a USRP 2920 and an antenna; wireless networks with two frequency bands are configured in an experimental environment, the first network is a service wireless network with the frequency band ranging from 2 GHz to 2.2 GHz, and the second network is a frequency tube wireless network with the frequency band ranging from 1.65 GHz to 1.85 GHz. According to the invention, intelligent frequency spectrum management can be realized, the frequency spectrum utilization rate is effectively improved, the communication quality is improved, the frequency spectrum agility algorithm can be verified, the time and the cost required by development are reduced, and the method has a good promotion effect on realizing intelligent frequency spectrum agility and improving the robustness of the communication quality.

Description

technical field [0001] The invention belongs to the field of electromagnetic spectrum anti-interference, in particular to a USRP-based intelligent spectrum agility semi-physical simulation experiment system and an experiment method. Background technique [0002] Electromagnetic spectrum resources are intangible resources that belong to the state. Its application is spread across various industries, and it plays a very important role in military, civilian and other fields. At the same time, spectrum is a limited, non-renewable strategic resource, most of which are used for civilian use, and only a part is used for the military. In the future, there will be a large number of battlefield equipment, a complete range of types, a high density of radio stations, and a fast-paced change in the electromagnetic environment. Therefore, limited Scientifically and rationally divide and manage spectrum resources, reduce communication interference, ensure more spectrum advantages in inform...

Claims

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Application Information

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IPC IPC(8): H04B17/391G09B9/00
CPCG09B9/003H04B17/3912
Inventor 吴启晖王然贺荣
Owner NANJING UNIV OF AERONAUTICS & ASTRONAUTICS
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