An opportunistic virtual MISO (OVM) protocol for multi-hop wireless networks

Authors:
Van Nguyen;Dmitri Perkins
Affiliations:
The Center for Advanced Computer Studies, University of Louisiana at Lafayette, Lafayette, LA;The Center for Advanced Computer Studies, University of Louisiana at Lafayette, Lafayette, LA
Venue:
ISWPC'10 Proceedings of the 5th IEEE international conference on Wireless pervasive computing
Year:
2010

Citing 7
Cited 0

Mobile Communications Design Fundamentals

Mobile Communications Design Fundamentals
A high-throughput path metric for multi-hop wireless routing

Proceedings of the 9th annual international conference on Mobile computing and networking
Comparison of routing metrics for static multi-hop wireless networks

Proceedings of the 2004 conference on Applications, technologies, architectures, and protocols for computer communications
An experimental study of multimedia traffic performance in mesh networks

WiTMeMo '05 Papers presented at the 2005 workshop on Wireless traffic measurements and modeling
ExOR: opportunistic multi-hop routing for wireless networks

Proceedings of the 2005 conference on Applications, technologies, architectures, and protocols for computer communications
The impact of link-layer retransmissions on video streaming in wireless mesh networks

Proceedings of the 4th Annual International Conference on Wireless Internet
A simple transmit diversity technique for wireless communications

IEEE Journal on Selected Areas in Communications

Quantified Score

Hi-index	0.00

Visualization

Abstract

By allowing neighboring nodes to effectively share their available resources, cooperative diversity-based protocols have shown improvements over the traditional routing and medium access control (MAC) protocols. In this work, we observe that while cooperative diversity-based protocols yield performance improvements in the presence of low-quality links, their performance improvements in the presence of high quality links is not significant. Although the neighboring resources are available regardless of link quality, cooperative protocols typically do not utilize the helper nodes when link quality is high (i.e., low error rate). Thus network resources remain underutilized and performance is not maximized. In this work, we propose the Opportunistic Virtual MISO (OVM) protocol for multi-hop wireless networks. OVM combines virtual MISO (using spacetime block codes) and cooperative diversity-based multicopy relaying, which together improves the utilization of the network resources in the presence of both low and high quality links. OVM provides an effective and simple design solution. Simulation results show that OVM is able to improve end-to-end network performance by up to eighty-six percent over previous works.