FedFold: Efficient Federated Learning for Inconsistent Dual Resource Heterogeneity. - Tzu-Hsuan Peng; Chieh-Chi Yang; Chih-Hsin Liu; Cheng-Wei Huang; Cheng-Hsien Hsieh; Ai-Chun Pang (IEEE Trans. Cogn. Commun. Netw., 2026)