A real-time calculation device for radio frequency environment based on FPGA

Through the FPGA-based real-time calculation method and device of the RF environment, the problems of high cost and insufficient scenario adaptability of wireless channel simulation devices are solved, and low-cost and efficient channel simulation is achieved to adapt to complex and changing project requirements.

CN120389822BActive Publication Date: 2025-09-30CHINESE PEOPLES LIBERATION ARMY UNIT 32802
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Patent Information

Application Number
CN202510610924.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-05-13
Publication Date
2025-09-30
Estimated Expiration
2045-05-13

AI Technical Summary

Technical Problem

Existing wireless channel environment simulation devices are expensive and lack scene adaptability, making it difficult to meet the complex and changing needs of real projects.

Method used

An FPGA-based real-time RF environment calculation method and device are used to obtain channel characteristic information and signal sampling time values, perform delay calculation processing, construct a multipath delay value set, and use integer and fractional delay filters and amplitude response filters for signal processing to achieve simulation of RF environment signals.

Benefits of technology

It reduces the cost of using the device and has flexible scenario adaptability. It can perform flexible channel simulation according to specific project requirements, reducing the complexity of the test and improving the accuracy of the simulation.

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Abstract

The present invention discloses a FPGA-based real-time radio frequency environment calculation device. Based on the calculation device, the present invention also discloses an FPGA-based real-time radio frequency environment calculation method, comprising: obtaining a channel characteristic information set and a signal sampling time value; the channel characteristic information set includes a channel multipath information set; the channel multipath information set includes each multipath channel path length and a corresponding channel response sequence; performing time delay calculation processing on the channel characteristic information set and the signal sampling time value to obtain a multipath delay value set; and performing calculation processing on the collected original signal based on the multipath delay value set and the channel characteristic information set to obtain a radio frequency environment signal.
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