Power-optimized amplify-and-forward multi-hop relaying systems

G Farhadi, NC Beaulieu - IEEE Transactions on Wireless …, 2009 - ieeexplore.ieee.org
Optimal power allocation schemes that maximize the instantaneous received signal-to-noise
ratio in an amplify-and-forward multi-hop transmission system under short-term (ST) and …

A decentralized power allocation scheme for amplify-and-forward multi-hop relaying systems

G Farhadi, NC Beaulieu - 2010 IEEE International Conference …, 2010 - ieeexplore.ieee.org
A decentralized power allocation scheme for amplify-and-forward (AF) multi-hop relaying
systems is proposed. The scheme maximizes a harmonic mean-based approximate …

Adaptive power allocation in two-way amplify-and-forward relay networks

XJ Zhang, Y Gong - 2009 IEEE International Conference on …, 2009 - ieeexplore.ieee.org
Two-way amplify-and-forward relaying is considered in this paper. We propose adaptive
power allocation (PA) algorithms to maximize the instantaneous achievable rate and …

Performance bounds for two-way amplify-and-forward relaying

Y Han, SH Ting, CK Ho, WH Chin - IEEE Transactions on …, 2009 - ieeexplore.ieee.org
In this paper, the average sum rate of two-way amplify-and-forward (AF) half-duplex relaying
system is analyzed. To this end, we first derive the harmonic mean of two independent …

Cooperative MIMO multiple-relay system with optimised beamforming and power allocation

A Talebi, WA Krzymień - IET communications, 2010 - IET
In this paper we investigate optimised power allocation over two-hop multiple-input multiple-
output (MIMO) fixed multiple relays for a given power budget. Optimum beamforming …

Power allocation for cooperative relaying in wireless networks

X Deng, AM Haimovich - IEEE Communications Letters, 2005 - ieeexplore.ieee.org
Power allocation strategies are developed for amplify-and-forward cooperative relaying
networks in fading channels. The average signal-to-noise ratio (SNR) and outage …

Power allocation in cyclic prefixed single-carrier relaying systems

KJ Kim, TA Tsiftsis, HV Poor - IEEE transactions on wireless …, 2011 - ieeexplore.ieee.org
To address the issues of high peak-to-average power ratio and high power backing-off in
orthogonal frequency-division multiplexing (OFDM) relaying systems, a cyclic prefixed single …

Distributed adaptive power allocation for wireless relay networks

Y Li, B Vucetic, Z Zhou, M Dohler - IEEE transactions on …, 2007 - ieeexplore.ieee.org
In this paper, we consider a 2-hop wireless diversity relay network. We explore transmit
power allocation among the source and relays to maximize the received signal to noise ratio …

Designing peak power constrained amplify-and-forward relay networks with cooperative diversity

Q Liu, W Zhang, X Ma, GT Zhou - IEEE Transactions on …, 2012 - ieeexplore.ieee.org
Relay networks with amplify-and-forward (AF) protocol have attracted attention due to its
high performance and low implementation complexity at the relay. To collect full cooperative …

Power allocation in orthogonal wireless relay networks with partial channel state information

TT Pham, HH Nguyen, HD Tuan - IEEE Transactions on Signal …, 2009 - ieeexplore.ieee.org
Wireless amplify-and-forward relay networks in which the source communicates with the
relays and destination in the first phase and the relays forward signals to the destination in …