Elements of information theory
Elements of information theory
Hot topic: physical-layer network coding
Proceedings of the 12th annual international conference on Mobile computing and networking
Two-Way Radio Networks with a Star Topology
IZS '06 Proceedings of the 2006 International Zurich Seminar on Communications
Sphere-bound-achieving coset codes and multilevel coset codes
IEEE Transactions on Information Theory
IEEE Transactions on Information Theory
Achieving 1/2 log (1+SNR) on the AWGN channel with lattice encoding and decoding
IEEE Transactions on Information Theory
Lattices which are good for (almost) everything
IEEE Transactions on Information Theory
Computation Over Multiple-Access Channels
IEEE Transactions on Information Theory
Broadcast Capacity Region of Two-Phase Bidirectional Relaying
IEEE Transactions on Information Theory
Nested Lattice Codes for Gaussian Relay Networks With Interference
IEEE Transactions on Information Theory
Digital channel modeling for multi-relay wireless sensor networks
CIT'11 Proceedings of the 5th WSEAS international conference on Communications and information technology
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In this paper, a Gaussian two-way relay channel, where two source nodes exchange messages with each other through a relay, is considered. We assume that all nodes operate in full-duplex mode and there is no direct channel between the source nodes. We propose an achievable scheme composed of nested lattice codes for the uplink and structured binning for the downlink. Unlike conventional nested lattice codes, our codes utilize two different shaping lattices for source nodes based on a three-stage lattice partition chain, which is a key ingredient for producing the best gap-to-capacity results to date. Specifically, for all channel parameters, the achievable rate region of our scheme is within 1/2 bit from the capacity region for each user and its sum rate is within log 3/2 bit from the sum capacity.