Bühler, J.J.BühlerWunder, G.G.Wunder2022-03-112022-03-112011https://publica.fraunhofer.de/handle/publica/37362910.1109/ISIT.2011.60339232-s2.0-80054798079In this paper, we study the uplink of a cellular system using the linear deterministic approximation model, where there are two users transmitting to a receiver, mutually interfering with a third transmitter communicating with a second receiver. We give an achievable coding scheme and prove its optimality, i.e. characterize the capacity region. This scheme is a form of interference alignment which exploits the channel gain difference of the two-user cell.en621conference paper