Multi-modal information assisted channel adaptive high-frequency difunctional waveform design method

By constructing a complex-value beam strabismus adaptive precoding network (CSP-Net) model, multimodal data of communication and perception channels in high-frequency band transmission systems are processed, and the optimized design of dual-function waveforms is realized, which solves the problem that dual-function waveform design in the prior art is difficult to take into account communication and perception requirements, reducing computing complexity and improving performance.

CN119696643AActive Publication Date: 2025-03-25PEKING UNIV
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Patent Information

Application Number
CN202411866656.1
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2024-12-18
Publication Date
2025-03-25
Estimated Expiration
2044-12-18

AI Technical Summary

Technical Problem

The dual-function waveform design of existing high-frequency transmission systems is difficult to take into account communication and perception needs, and fails to fully utilize the multimodal information of synesthesia channels. The integrated performance gain is limited, and the calculation complexity of the hybrid precoding process makes it difficult to deploy in actual roadside base stations.

Method used

Using a multimodal information-assisted channel adaptive high-frequency dual-function waveform design method, the complex-value beam strabismus adaptive precoding network (CSP-Net) model is constructed, and a deep neural network is used to process multimodal data of communication and perception channels, thereby achieving the optimized design of dual-function waveforms and reducing the computational complexity.

Benefits of technology

It significantly reduces the computing complexity of dual-function waveform design, improves the coordinated improvement of communication and perception performance, adapts to dynamic environments, has low cost and small hardware changes.

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Abstract

The invention discloses a multi-modal information-assisted channel adaptive high-frequency dual-function waveform design method, which belongs to the technical field of wireless communication, and comprises the following steps: constructing a complex-valued beam squint adaptive precoding network model CSP-Net, training the CSP-Net by inputting complex-valued sensing channel multi-modal data, and jointly outputting parameters of a time delayer, a phase shifter and power distribution. And the difunctional waveform optimization design of high-frequency system flux-inductance integration is realized. According to the method, the communication and sensing channel multi-mode information is utilized, the problem that the communication sensing performance is difficult to consider at a high frequency band can be solved, and the calculation complexity of a hybrid pre-coding signal processing process is reduced.
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