Methods and apparatuses for mitigating effects of adversarial attacks
EP4655894A1Pending Publication Date: 2025-12-03TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)
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Patent Information
- Application Number
- EP2023707192
- Authority / Receiving Office
- EP · EP
- Patent Type
- Applications
- Current Assignee / Owner
- Filing Date
- 2023-01-27
- Publication Date
- 2025-12-03
AI Technical Summary
Technical Problem
Current methods for removing elemental mercury (Hg0) and oxidized mercury (Hg2+) from coal combustion flue gas and waste liquid are inefficient and costly, with activated carbon injection being ineffective due to interference from NOx and SO2.
Method used
The use of metal sulfides, such as FeS2 and CuS, as adsorbents that contact the flue gas and waste liquid to adsorb and convert Hg0 and Hg2+ into stable mercury sulfide compounds, thereby removing them effectively.
Benefits of technology
This approach results in a more efficient and cost-effective removal of mercury from both flue gas and waste liquid, reducing operational costs and environmental impact.
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Figure TR2023050067_02082024_PF_FP
Abstract
In a first aspect of the present disclosure, there is presented a method for power control, maximizing sum of spectral efficiencies, SEs, in a radio unit communicatively connected to a user equipment in a communications system. The method comprises computing a gradient vector, ∇ h ' (pi'''), iteratively based on a perturbed channel information vector, h', and an optimized power control vector, pi'''. Here i is an integer iteration number denoting an i-th iteration. The method further comprises determining a virtual perturbation vector, δi + 1, based on the computed gradient vector, ∇ h ' (pi'''). Until the iteration number, i+1, is equal to a pre-defined number of iterations, i max , the method further comprises performing the steps of the computing and the determining iteratively. When the iteration number, i+1, is equal to the pre-defined number of iterations, i max ,the method further comprises outputting a final optimized power control vector, pi max '''.
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Description
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Claims