Integrated Trajectory, Association, and Fair Resource Allocation for AoI and Energy-Aware Data Collection in Air-Ground Collaborative Networks. - Muhammad Morshed Alam; Md. Alomgir Kabir; Md. Fahim Abrar Omey; Safwan Ahmed; Khalid Bin Faruq; Tanvir Ahmed; Muhammad Yeasir Arafat (IEEE Open J. Commun. Soc., 2026)