Digital network coding aided two-way relaying: Energy minimization and queue analysis

Z Chen, TJ Lim, M Motani - IEEE transactions on wireless …, 2013 - ieeexplore.ieee.org
In this paper, we consider a three-node, two-way relay system with digital network coding.
The aim is to minimize total energy consumption while ensuring queue stability at all nodes …

Fading two-way relay channels: Physical-layer versus digital network coding

Z Chen, TJ Lim, M Motani - IEEE Transactions on Wireless …, 2014 - ieeexplore.ieee.org
In this paper, we consider three transmit strategies for the fading three-node two-way relay
network, namely, physical-layer network coding (PNC), digital network coding (DNC), and …

Energy efficiency and queue stability in a two-way relay network

Z Chen, TJ Lim, M Motani - 2012 IEEE International …, 2012 - ieeexplore.ieee.org
In a recent paper, we demonstrated the minimization of instantaneous energy in a two-way
relay network with digital network coding at the relay, through the optimization of the time …

Energy minimization in two-way relay networks with digital network coding

Z Chen, TJ Lim, M Motani - 2012 1st IEEE International …, 2012 - ieeexplore.ieee.org
In a two-way wireless relay network, two nodes communicate with each other through a
relay, and throughput is enhanced by the relay transmitting a linear combination of the …

Opportunistic stable two-way relaying: with or without direct link

Z Chen, P Fan, KB Letaief - IEEE Transactions on Vehicular …, 2014 - ieeexplore.ieee.org
In this paper, we investigate a three-node two-way relaying network over fading channels.
The stability of this system is first discussed. Three protocols are then investigated in this …

Two-way relay networks optimized for Rayleigh fading channels

Z Chen, TJ Lim, M Motani - 2013 IEEE Global Communications …, 2013 - ieeexplore.ieee.org
In this paper, we consider a three-node, two-way relay network with digital network coding
over fading channels. The aim is to minimize total energy consumption for a given pair of …

Energy optimization for stable two-way relaying with a multi-access uplink

Z Chen, TJ Lim, M Motani - 2013 IEEE Wireless …, 2013 - ieeexplore.ieee.org
In this paper, we consider a three-node, two-way relay system with digital network coding
over static channels. For a given pair of random packet arrival rates, we aim to minimize total …

Low cost and CD insensitive optical signal to noise ratio monitoring method using beat noise

Y Yu, J Yang, C Yu - 2012 IEEE International Conference on …, 2012 - ieeexplore.ieee.org
In this paper, we propose a simple in-band optical signal to noise ratio (OSNR) monitoring
method based on the beat noise RF power measurement. This method splits the incoming …

Revisiting two-way channel: Opportunistic network coding scheduling in fading channels

Z Chen, P Fan, KB Letaief - 2013 Computing, Communications …, 2013 - ieeexplore.ieee.org
For two-way relaying networks, it was proved that independent fading characteristics of each
link has negative impact on network coding gain. We hence further investigate fading …

Resource allocation for two-way relay cellular networks with and without network coding

Y Chen, CW Sung - 2014 IEEE International Conference on …, 2014 - ieeexplore.ieee.org
This paper investigates the joint optimization of power control and phase time assignment
for two-way relay cellular networks. Three two-way relay schemes are considered: 1) Four …