A time modulation based reconfigurable surface assisted physical layer security transmission method
By introducing time modulation techniques and inverse optimization strategies into the RIS system, the feasible domain of phase shift in the RIS was expanded, the beamforming capability problem under discrete phase shift constraints was solved, and higher security rate and stability were achieved.
CN121547764BActive Publication Date: 2026-06-16COMMUNICATION UNIVERSITY OF CHINA
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Patents(China)
- Current Assignee / Owner
- COMMUNICATION UNIVERSITY OF CHINA
- Filing Date
- 2025-11-24
- Publication Date
- 2026-06-16
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Figure CN121547764B_ABST
Abstract
The application discloses a time modulation based reconfigurable surface assisted physical layer security transmission method, and belongs to the technical field of physical layer security, and constructs a TMA-RIS assisted security communication system, wherein the TMA-RIS assisted security communication system comprises a single-antenna base station, a single-antenna legitimate user, a single-antenna eavesdropper and a RIS model based on time modulation technology; the single-antenna base station transmits signals to the single-antenna legitimate user, the single-antenna eavesdropper eavesdrops on the transmitted information, the direct link between the single-antenna base station and the single-antenna legitimate user is blocked, and a communication link is established through the RIS model based on time modulation technology. The application further studies the amplitude and phase joint regulation characteristics of the time modulation based reconfigurable intelligent surface TMA-RIS, so as to improve the beam forming precision of the discrete phase RIS, thereby enhancing the physical layer security performance of the system.
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