See u/mlyle's answer. There is no way that 802.11X can address this because the cell network and Wi-Fi APs are fundamentally different link layers, with very d

See u/mlyle's answer. There is no way that 802.11X can address this because the cell network and Wi-Fi APs are fundamentally different link layers, with very different access protocols. Even if they were the same, roaming within an administrative unit (e.g., an office) is very different from roaming between networks administered by different entities, and will require different protocols.