Wireless-like spectrum cognition verification detection platform

Abstract

The invention discloses a wireless-like spectrum cognition verification detection platform, and relates to the technical field of power line carrier communication. The platform comprises software radio equipment, a signal processing system, a logic function circuit, a high-speed AD / DA device and a coupling module; the software radio equipment is in communication connection with the signal processing system, the software radio equipment is in communication connection with the logic function circuit, and the signal processing system is in communication connection with the logic function circuit; the logic function circuit comprises a frequency module, a system bandwidth module, a modulation module and an information source coding module; the frequency module, the system bandwidth module, the modulation module and the information source coding module are respectively connected with a plurality of high-speed AD / DA devices, and the signal processing system and the logic function circuit are both in communication connection with the coupling module. According to the invention, the system hardware structure and function are relatively independent, the hardware structure is simplified, and the compatibility of the detection platform is improved.

Description

technical field [0001] The invention relates to the technical field of power line carrier communication, in particular to a wireless spectrum recognition verification detection platform. Background technique [0002] Power Line Carrier (PLC) communication is a special communication method that uses high-frequency modulation signals and power lines as an information transmission medium for voice or data transmission. In power line carrier communication, the accuracy of spectrum cognition of power line channels It is the basis for improving PLC performance, so the detection platform for detecting PLC performance needs to have the function of simulating multi-band noise and verifying the accuracy of spectrum recognition. [0003] In the existing technology, the PLC performance testing platform adopts the traditional analog radio system to control and verify the accuracy of spectrum cognition. The radio frequency part, up / down conversion, filtering and baseband processing of the...

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Problems solved by technology

[0003] In the existing technology, the PLC performance testing platform adopts the traditional analog radio system to control and verify the accuracy of spectrum cognition. The radio frequency part, up / down conversion, filtering and baseband processing of the traditional analog radio system all use analog methods. A certain frequency band and a certain Communication systems with various modulation methods correspond to specialized hardware structures. The hardware structure is complex, and it needs to be re-encoded when facing cross-frequency domains, which increases the difficulty of operation. The system has low flexibility and insufficient compatibility.

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