Method and device for recognizing space-frequency block code

US11222264B1 · kind B1 · utility

Assignee

• NAVAL AVIATION UNIVERSITY OF PLA · CN

Inventors

• Wenjun YAN · Lo Wu, CN
• Qing Ling · Hangzhou City, CN
• Limin Zhang · Beijing, CN
• ZiQiang Zhu · Kunshan, CN
• Yuyuan Zhang · Longbeilingcun, CN
• Chong Lin · Chengdu, CN
• Kaiwen Tan · Shandong, CN

Key dates

• Filing date: May 20, 2021
• Grant date: Jan 11, 2022
• Expiry date: May 20, 2041

Classification

• Technology area (CPC G): Physics
• CPC primary: G06N3/048
• WIPO field: Computer technology
• WIPO sector: Electrical engineering

Abstract

The present disclosure provide a method for recognizing a space frequency block code (SFBC), including: obtaining a cross-correlation function of a reception signal, and obtaining a Fourier transformation of the cross-correlation function; obtaining data containing labels by labeling a sample containing a real part and an imaginary part of the Fourier transformation, and inputting the data containing labels into an initial CNN-LSTM network for training until convergence is reached, to obtain a final CNN-LSTM network; and obtaining unlabeled data to be recognized, and inputting the data to be recognized into the final CNN-LSTM network to obtain a SFBC recognition result.