Detection of Transmitted Power Violation Based on Geolocation Spectrum Database in Satellite-Terrestrial Integrated...

Area of Science:

• Integrated network systems
• Wireless communication spectrum management
• Signal detection theory

Background:

• Terrestrial base stations can violate spectrum policies, causing significant damage to satellite systems.
• Detecting transmitted power violations (TPV) is challenging due to the lack of prior information on abnormal behaviors.
• Satellite-terrestrial integrated networks require robust methods to ensure spectrum policy adherence.

Purpose of the Study:

• To develop an effective detection framework for transmitted power violations (TPV) in satellite-terrestrial integrated networks.
• To address the complexity and challenges associated with detecting unknown abnormal behaviors.
• To propose a novel detector that maximizes detection probability while adhering to false-alarm constraints.

Main Methods:

• Utilized a geolocation spectrum database-based detection framework specifying tasks and spectrum policies.
• Applied ternary hypothesis testing and the generalized Neyman-Pearson (GMNP) test criterion.
• Developed the Abnormal after Normal (AaN) detector to simplify analysis and enhance detection capabilities.

Main Results:

• The proposed detector successfully identifies transmitted power violations (TPV) in most tested scenarios.
• The detector achieves high detection probability while maintaining a low false-alarm rate.
• Simulations demonstrate the practical effectiveness of the AaN detector in real-world conditions.

Conclusions:

• The developed detector provides a viable solution for mitigating TPV in integrated networks.
• The framework ensures the protection of satellite systems from terrestrial interference.
• This research contributes to the reliable operation of future integrated communication systems.