An overview of limited feedback in wireless communication systems

DJ Love, RW Heath, VKN Lau… - IEEE Journal on …, 2008 - ieeexplore.ieee.org
It is now well known that employing channel adaptive signaling in wireless communication
systems can yield large improvements in almost any performance metric. Unfortunately …

Single and multiple relay selection schemes and their achievable diversity orders

Y Jing, H Jafarkhani - IEEE Transactions on wireless …, 2009 - ieeexplore.ieee.org
This paper is on relay selection schemes for wireless relay networks. First, we derive the
diversity of many single-relay selection schemes in the literature. Then, we generalize the …

Network beamforming using relays with perfect channel information

Y Jing, H Jafarkhani - IEEE Transactions on information theory, 2009 - ieeexplore.ieee.org
This paper deals with beamforming in wireless relay networks with perfect channel
information at the relays, receiver, and transmitter if there is a direct link between the …

Energy-efficient cooperative communication based on power control and selective single-relay in wireless sensor networks

Z Zhou, S Zhou, JH Cui, S Cui - IEEE transactions on wireless …, 2008 - ieeexplore.ieee.org
Cooperative communication with single relay selection is a simple but effective
communication scheme for energy-constrained networks. In this paper, we propose a novel …

Cross-layer resource allocation over wireless relay networks for quality of service provisioning

J Tang, X Zhang - IEEE Journal on selected areas in …, 2007 - ieeexplore.ieee.org
The authors propose a physical-datalink cross-layer resource allocation scheme over
wireless relay networks for quality-of-service (QoS) guarantees. By integrating information …

Energy-efficient cooperative communication in a clustered wireless sensor network

Z Zhou, S Zhou, S Cui, JH Cui - IEEE Transactions on …, 2008 - ieeexplore.ieee.org
In this paper, we consider a clustered wireless sensor network where sensors within each
cluster relay data packets to nearby clusters using cooperative communications. We …

Opportunistic cooperation by dynamic resource allocation

D Gunduz, E Erkip - IEEE Transactions on Wireless …, 2007 - ieeexplore.ieee.org
We consider a Rayleigh fading wireless relay channel where communication is constrained
by delay and average power limitations. Assuming partial channel state information at the …

Grassmannian beamforming for MIMO amplify-and-forward relaying

B Khoshnevis, W Yu, R Adve - IEEE Journal on Selected Areas …, 2008 - ieeexplore.ieee.org
We consider the problem of beamforming codebook design for limited feedback half-duplex
multiple-input multiple output (MIMO) amplify-and-forward (AF) relay system. In the first part …

Cooperative diversity over log-normal fading channels: performance analysis and optimization

M Safari, M Uysal - IEEE Transactions on Wireless …, 2008 - ieeexplore.ieee.org
Although there has been a growing interest on cooperative diversity, the current literature is
mainly limited to the results obtained for Rayleigh, Rician, or Nakagami fading channels. In …

Distributed beamforming in wireless relay networks with quantized feedback

E Koyuncu, Y Jing, H Jafarkhani - IEEE Journal on Selected …, 2008 - ieeexplore.ieee.org
This paper is on quantized beamforming in wireless amplify-and-forward (AF) relay
networks. We use the generalized Lloyd algorithm (GLA) to design the quantizer of the …