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The Degrees of Freedom of the K-pair-user Full-Duplex Two-way Interference Channel with and without a MIMO Relay
[article]
2013
arXiv
pre-print
In a K-pair-user two-way interference channel (TWIC), 2K messages and 2K transmitters/receivers form a K-user IC in the forward direction (K messages) and another K-user IC in the backward direction which operate in full-duplex mode. All nodes may interact, or adapt inputs to past received signals. We derive a new outer bound to demonstrate that the optimal degrees of freedom (DoF, also known as the multiplexing gain) is K: full-duplex operation doubles the DoF, but interaction does not further
arXiv:1311.6880v1
fatcat:sfhyoddc3bfgne366peukvtxle