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Joint State Sensing and Communication over Memoryless Multiple Access Channels (1902.03775v1)
Published 11 Feb 2019 in cs.IT and math.IT
Abstract: A memoryless state-dependent multiple access channel (MAC) is considered where two transmitters wish to convey a respective message to a receiver while simultaneously estimating the respective channel state via generalized feedback. The scenario is motivated by a joint radar and communication system where the radar and data applications share the same bandwidth. An achievable capacity-distortion tradeoff region is derived that outperforms a resource-sharing scheme through a binary erasure MAC with binary states.