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Interference Channels With Destination Cooperation

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2 Author(s)
Vinod M. Prabhakaran ; Coordinated Science Laboratory, University of Illinois at Urbana-Champaign, Urbana, IL, USA ; Pramod Viswanath

Interference is a fundamental feature of the wireless channel. To better understand the role of cooperation in interference management, the two-user Gaussian interference channel where the destination nodes can cooperate by virtue of being able to both transmit and receive is studied. The sum capacity of this channel is characterized up to a constant number of bits. The coding scheme employed builds up on the superposition scheme of Han and Kobayashi for two-user interference channels without cooperation. New upperbounds to the sum capacity are also derived.

Published in:

IEEE Transactions on Information Theory  (Volume:57 ,  Issue: 1 )