Conditional Access Smart Meter Privacy Based on Multi-Resolution Wavelet Analysis

Provided by: Association for Computing Machinery
Topic: Security
Format: PDF
Smart metering is an important component of smart grids. Detailed load profiles are available through smart metering at a high resolution. Load profiles allow inferring detailed information on the end user by non-intrusive load monitoring. Therefore, these load profiles need to be regarded as sensitive data, and treated with security and privacy in mind. The authors propose a method that allows conditional access to different resolution levels of the load data, allowing access on a \"Need-to-know\" basis only. For this purpose, a multi-resolution representation of the load data is created using the simple haar wavelet transform.

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