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This paper considers the multiple-access relay channel in a setting where two source nodes transmit packets to a destination node, both directly and via a relay node, over packet erasure channels. Intra-session network coding is used at the source nodes and inter-session network coding is employed at the relay node to combine the recovered source packets of both source nodes. In this work, we investigate...
In this paper, we propose a full-duplex physical-layer network coding (FD-PLNC) scheme for reciprocal asymmetric frequency-selective multipath channels using orthogonal frequency-division multiplexing (OFDM) and denoise and forward (DNF) relaying. We consider a network scenario of two-way relay channels (FD-TWRCS) with two source nodes, A and B, intending to exchange information with the aid of a...
In this paper, we study Two-Way Relaying (TWR) networks well-known for its throughput merits. In particular, we study the fundamental throughput delay trade-off in TWR networks using opportunistic network coding (ONC). We characterize the optimal ONC policy that maximizes the aggregate network throughput subject to an average packet delay constraint. Towards this objective, first, we consider a pair...
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