Semantic Radio Access Networks: Architecture, State-of-the-Art, and Future Directions. - Rui Meng; Zixuan Huang; Jingshu Yan; Mengying Sun; Yiming Liu 002; Chenyuan Feng; Xiaodong Xu 001; Zhidi Zhang; Song Gao; Ping Zhang 003; Tony Q. S. Quek (IEEE Trans. Cogn. Commun. Netw., 2026)