Capacity of Ad Hoc wireless networks
Proceedings of the 7th annual international conference on Mobile computing and networking
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
Nsclick:: bridging network simulation and deployment
MSWiM '02 Proceedings of the 5th ACM international workshop on Modeling analysis and simulation of wireless and mobile systems
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
MobiSteer: using steerable beam directional antenna for vehicular network access
Proceedings of the 5th international conference on Mobile systems, applications and services
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Inexpensive analog phase array antennas are on the verge of becoming widely available. These versatile antennas are capable of very rapidly altering their gain pattern to form complex patterns. However, it isn't immediately obvious how to best exploit their capabilities. Previous research has shown that problems arise when using the stock 802.11 MAC protocol with directional antennas, and new MAC protocols have been designed to address these issues as well as exploit some of their new capabilites. Unfortunately moving to a new MAC layer means abandoning a wealth of inexpensive 802.11 wireless equipment since these cards are not very amenable to such extensive modification. In this work we propose, implement, and evaluate a scheme which uses the flexible gain pattern formation ability of a phase array antenna to exploit the enhanced spatial diversity potential of directional transmission in a community networking environment while still functioning with the existing 802.11 MAC.