Polling-based media access protocols for use with smart adaptive array antennas
IEEE/ACM Transactions on Networking (TON)
On the performance of ad hoc networks with beamforming antennas
MobiHoc '01 Proceedings of the 2nd ACM international symposium on Mobile ad hoc networking & computing
Directional virtual carrier sensing for directional antennas in mobile ad hoc networks
Proceedings of the 3rd ACM international symposium on Mobile ad hoc networking & computing
Using directional antennas for medium access control in ad hoc networks
Proceedings of the 8th annual international conference on Mobile computing and networking
On Limits of Wireless Communications in a Fading Environment when UsingMultiple Antennas
Wireless Personal Communications: An International Journal
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
A MAC protocol for full exploitation of directional antennas in ad-hoc wireless networks
Proceedings of the 4th ACM international symposium on Mobile ad hoc networking & computing
A unified MAC layer framework for ad-hoc networks with smart antennas
Proceedings of the 5th ACM international symposium on Mobile ad hoc networking and computing
Packet-length adaptive CLSP/DS-CDMA: performance in burst-error correlated fading channels
IEEE Transactions on Wireless Communications
The capacity of wireless networks
IEEE Transactions on Information Theory
Diversity and multiplexing: a fundamental tradeoff in multiple-antenna channels
IEEE Transactions on Information Theory
A simple transmit diversity technique for wireless communications
IEEE Journal on Selected Areas in Communications
From theory to practice: an overview of MIMO space-time coded wireless systems
IEEE Journal on Selected Areas in Communications
Simple modifications in HWMP for wireless mesh networks with smart antennas
EUNICE'11 Proceedings of the 17th international conference on Energy-aware communications
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Smart antennas include a broad variety of antenna technologies ranging from the simple switched beams to the sophisticated digital adaptive arrays. While beam-forming antennas are good candidates for operation in strong line of sight (LOS) environments, it is the multiple input multiple output (MIMO) technology that is best suited for multipath environments. In fact, the MIMO links exploit the multipath induced rich scattering to provide high spectral efficiencies. The focus of this work is to identify the various characteristics and tradeoffs of MIMO links that can be leveraged by routing layer protocols in rich multipath environments to improve their performance. To this end, we study the relative benefits of the different strategies of operation in MIMO links both analytically and through simulations. Using the insights gained from the study, we propose a routing protocol called MIR for ad-hoc networks with MIMO links, that optimally leverages the various characteristics of MIMO links in its mechanisms to improve the network performance. We show the effectiveness of the components of the proposed protocol by evaluating its performance through ns2 simulations for a variety of network conditions. Results indicate that MIR is able to provide significant performance gains of about 100% over baseline approaches.