Large Language Model (LLM) for Telecommunications: A Comprehensive Survey on Principles, Key Techniques, and Opportunities. - Zhou, Hao; Hu, Chengming; Yuan, Ye; Cui, Yufei; Jin, Yili; Chen, Can; Wu, Haolun; Yuan, Dun; Jiang, Li; Wu, Di; Liu, Xue; Zhang, Charlie Jianzhong; et al. (CoRR, 2024)