In this paper, we consider a recent cellular network connection paradigm, known as user-provided network (UPN), where users share their connectivity and act as an access point for other users. To incentivize user participation in this network, we allow the users to trade their data plan and obtain some profits by selling and buying leftover data capacities (caps) from each other. We formulate the buyers and sellers association for data trading as a matching game. In this game, buyers and sellers...