Ambc-noma symbiotic communication method, readable storage medium and device

By dynamically selecting the transceiver role of user equipment and adjusting the backscatter coefficient, the communication instability and low spectrum utilization of traditional AmBC-NOMA systems are solved, achieving efficient communication in complex channel environments. This is applicable to mobile communication, millimeter-wave communication, and satellite communication.

CN122204155APending Publication Date: 2026-06-12CHENGDU AERONAUTIC POLYTECHNIC
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Patent Information

Authority / Receiving Office
CN Β· China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2026-03-11
Publication Date
2026-06-12

AI Technical Summary

Technical Problem

Traditional AmBC-NOMA systems suffer from unstable communication due to multipath fading, path loss, and environmental obstacles. They also have limited mobile scalability, low spectrum utilization, high overhead for acquiring channel state information, and poor channel robustness.

Method used

By transmitting NOMA signals through the base station, the user equipment dynamically selects the transmit and receive roles, and uses adaptive switching of channel gain to achieve flexible reconstruction of backscatter communication, dynamically adjust the backscatter coefficient, and perform power domain superposition coding and serial interference cancellation.

Benefits of technology

It improves link reliability and communication quality in complex channel environments, reduces hardware costs and energy consumption, and enhances spectrum efficiency and communication stability. It is suitable for mobile communication, millimeter-wave communication and satellite communication.

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Abstract

The application discloses an AmBC-NOMA symbiotic communication method, a readable storage medium and an apparatus, and belongs to the technical field of wireless communication, and comprises the following steps: a base station sends a non-orthogonal multiple access (NOMA) signal to a first user equipment and a second user equipment; dynamically selecting two devices as a backscatter transmitting end and a receiving end respectively; using a residual NOMA signal as a carrier, generating a backscatter signal containing own data, and reflecting to the backscatter receiving end; dynamically selecting a channel gain comparison based on the two devices. The readable storage medium stores a computer program containing the above communication method. The apparatus comprises a first user equipment and a second user equipment applying the above communication method. Through dynamic resource allocation and role scheduling, the application can adaptively switch the exchange and transmission roles according to the channel gain, and significantly enhances the link reliability, anti-interference ability and overall communication quality stability of the backscatter communication in a complex or dynamically changing channel environment.
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