A simple linear multiuser precoding technique in cellular relay networks

J Ryu, W Choi - IEEE communications letters, 2009 - ieeexplore.ieee.org
In this paper, we propose a simple linear multiuser precoding scheme for downlink cellular
systems with a decode-and forward (DF) based relay, where the available information at a …

Cooperative diversity in interference limited wireless networks

S Vakil, B Liang - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
Using relays in wireless networks can potentially lead to significant capacity increases.
However, within an asynchronous multi-user communication setting, relaying might cause …

Optimal relaying strategy for UE relays

J Kim, JR Yang, DI Kim - The 17th Asia Pacific Conference on …, 2011 - ieeexplore.ieee.org
In cooperative cellular wireless networks, a user equipment (UE) relay can be a good
alternative to rendering an end user by forwarding the signal overheard from the source to …

A cooperative relaying scheme without the need for modulation with increased spectral efficiency

P Rost, G Fettweis - IEEE Vehicular Technology Conference, 2006 - ieeexplore.ieee.org
Future infrastructure based wireless systems are likely to use relaying due to energy
savings, simpler roll-out of cellular networks, simpler increase of coverage and so forth. To …

Optimal resource allocation in relay-assisted cellular networks with partial CSI

E Calvo, J Vidal, JR Fonollosa - IEEE Transactions on Signal …, 2009 - ieeexplore.ieee.org
Emerging cellular networks are likely to handle users with heterogeneous quality of service
requirements attending to the nature of their underlying service application, the quality of …

Decode-and-forward cooperative diversity with power allocation in wireless networks

J Luo, RS Blum, LJ Cimini… - IEEE transactions on …, 2007 - ieeexplore.ieee.org
We study power allocation for the decode-and-forward cooperative diversity protocol in a
wireless network under the assumption that only mean channel gains are available at the …

Energy-efficient cooperative relay selection scheme in MIMO relay cellular networks

T Zhang, S Zhao, L Cuthbert… - 2010 IEEE International …, 2010 - ieeexplore.ieee.org
Power saving is an important issue in wireless networks. This paper proposed an energy-
efficient cooperative relay selection scheme that utilized the transmission power more …

On the sum-rate of uplink MIMO cellular systems with amplify-and-forward relaying and collaborative base stations

CK Wen, KK Wong - IEEE Journal on Selected Areas in …, 2010 - ieeexplore.ieee.org
Cooperation and relaying are emerging technologies as flexible solutions for improving the
capacity of cellular systems. Motivated by this, we investigate the asymptotic achievable sum …

Distributed beamforming and power allocation for cooperative networks

Z Ding, WH Chin, KK Leung - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
Cooperative diversity systems rely on using relay nodes to relay copies of transmitted
information to the destination such that each copy experiences different channel fading …

Performance analysis of decode-and-forward relaying with partial relay selection for multihop transmission over Rayleigh fading channels

VNQ Bao, HY Kong - Journal of Communications and Networks, 2010 - ieeexplore.ieee.org
Multihop transmission is a promising technique that helps in achieving broader coverage
(excellent network connectivity) and preventing the impairment of wireless channels. This …