Vu Huu, T. and Thi Huong, T.N. 2025. QoE-Energy Consumption Optimization for End-User Devices in Adaptive Bitrate Video Streaming Using the Lagrange Multiplier Method. EAI Endorsed Transactions on Industrial Networks and Intelligent Systems. 12, 3 (Apr. 2025). DOI:https://doi.org/10.4108/eetinis.v12i3.8587.