A method for evaluating interference performance without relying on direct information feedback

By initializing the parameters of the interfering nodes and inducing the interference period, identifying the power control model of the communication pair, and calculating the channel power gain and location, the problem of evaluating the interference effectiveness of the interfering party under non-cooperative conditions is solved, and accurate evaluation and optimization are achieved without direct information feedback.

CN119967448BActive Publication Date: 2025-11-11ARMY ENG UNIV OF PLA
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Patent Information

Application Number
CN202510098807.1
Authority / Receiving Office
CN · China
Patent Type
Patents(China)
Current Assignee / Owner
Filing Date
2025-01-22
Publication Date
2025-11-11
Estimated Expiration
2045-01-22

AI Technical Summary

Technical Problem

In cognitive interference, the interfering party has difficulty directly obtaining feedback on the state parameters of the communicating party, which makes it difficult to evaluate the interference effect. Especially in non-cooperative relationships, optimization methods and machine learning methods are difficult to solve the interference effectiveness evaluation problem accurately and effectively.

Method used

By initializing the parameters of the interfering nodes, inducing the interference period, recording the transmission power of the communication pair, performing density-based clustering, identifying the power control model, calculating the channel power gain and location, and estimating the interference effect function value, interference effectiveness assessment without direct information feedback can be achieved.

Benefits of technology

It enables accurate evaluation of interference effects without direct feedback, provides support for interference decision optimization, improves interference effectiveness, and is applicable to cognitive interference decision-making and optimization.

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Abstract

This application provides a method for evaluating interference effectiveness without relying on direct information feedback, relating to the field of wireless communication security. When faced with unknown communication modes and channel power gain conditions, a cognitive jammer evaluates the interference effectiveness to assess the merits of different interference decisions, optimizing or adjusting these decisions. Before evaluation, the cognitive jammer first analyzes the cognitive communication interference effectiveness evaluation model, the working protocols of the cognitive jammer and the communication pair, and the characteristics of different communication power control models. During evaluation, the cognitive jammer identifies the communication power control model through regular multi-node cooperative interference induction, and then locates the hidden terminal. Based on the node positions of the communication pair, the power gain of the communication and interference channels is estimated, thereby obtaining the interference effectiveness function values ​​of the cognitive jammer under different interference decisions. This invention achieves interference effectiveness evaluation under non-cooperative conditions, providing a basis for cognitive interference decision optimization and improving cognitive interference effectiveness.
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