On the Performance of a Wireless Powered Communication System Using a Helping Relay [PDF]
This paper studies the outage performance and system throughput of a bidirectional wireless information and power transfer system with a helping relay.
T. N. Nguyen +4 more
doaj
A Tutorial on the Optimization of Amplify-and-Forward MIMO Relay Systems [PDF]
The remarkable promise of multiple-input multiple-output (MIMO) wireless channels has motivated an intense research activity to characterize the theoretical and practical issues associated with the design of transmit (source) and receive (destination) processing matrices under different operating conditions. This activity was primarily focused on point-
Luca Sanguinetti +2 more
openaire +4 more sources
Secrecy Performance Analysis of Relay Selection in Cooperative NOMA Systems
This paper investigates the security performance of two relay selection schemes for cooperative non-orthogonal multiple access (NOMA) systems, where K randomly distributed relays are employed with either decode-and-forward (DF) or amplify-and-forward (AF)
Zhenling Wang, Zhangyou Peng
doaj +1 more source
Timing Estimation and Resynchronization for Amplify-and-Forward Communication Systems [PDF]
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Xiao Li +3 more
openaire +3 more sources
Adaptive AF/DF Selection With FD/HD Switching in Two-Way Relay Networks
The full-duplex (FD) and two-way relay are promising techniques for their high spectrum efficiency. However, the incompletely self-interference cancellation may reduce the performance gain of two-way relay networks, which operates in FD mode.
Quanqiang Miao, Bo Bai, Wei Chen
doaj +1 more source
Optimal relay selection scheme and outage probability analysis in cooperative wireless networks
Optimal relay selection can effectively improve the system performance in the communication network with cooperative relays from the view of physical layer security.The optimal relay selection schemes for relay transmission system with multiple single ...
Youhong FENG +5 more
doaj +2 more sources
An Adaptive Transmission Scheme for Amplify-and-Forward Relaying Networks [PDF]
In this paper, an adaptive scheme for amplify-and-forward relaying networks is proposed, which selects a certain transmission mode for each communication process. Depending on the instantaneous channel conditions, one of the following modes is selected: direct transmission with no cooperation, cooperative transmission with half-duplex relaying and ...
Diana Pamela Moya Osorio +4 more
openaire +4 more sources
Optimal space-time codes for the MIMO amplify-and-forward cooperative channel
In this work, we extend the non-orthogonal amplify-and-forward (NAF) cooperative diversity scheme to the MIMO channel. A family of space-time block codes for a half-duplex MIMO NAF fading cooperative channel with N relays is constructed.
Belfiore, Jean-Claude, Yang, Sheng
core +7 more sources
Enhanced Amplify-and-Forward Relaying in Non-Gaussian PLC Networks
Relaying over power line communication (PLC) channels has the potential to improve the reliability and robustness of many PLC-based applications. In particular, this paper proposes to enhance the energy efficiency (EE) of a dual-hop relaying PLC system ...
Khaled M. Rabie, Bamidele Adebisi
doaj +1 more source
Beamforming in Two-Way Fixed Gain Amplify-and-Forward Relay Systems with CCI
We analyze the outage performance of a two-way fixed gain amplify-and-forward (AF) relay system with beamforming, arbitrary antenna correlation, and co-channel interference (CCI).
Duong, Trung Q. +3 more
core +1 more source

