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
Assignment methods for spatial reuse TDMA
MobiHoc '00 Proceedings of the 1st ACM international symposium on Mobile ad hoc networking & computing
Transmission scheduling in ad hoc networks with directional antennas
Proceedings of the 8th annual international conference on Mobile computing and networking
Architecture and evaluation of an unplanned 802.11b mesh network
Proceedings of the 11th annual international conference on Mobile computing and networking
The capacity of wireless networks
IEEE Transactions on Information Theory
Ad hoc networking with directional antennas: a complete system solution
IEEE Journal on Selected Areas in Communications
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The proliferation of wireless transceivers and the availability of the unlicensed band has given a boost to the deployment of wireless networks, with IEEE802.11/WiFi being the major driver in this arena. In this research, we consider a wireless mesh network designed for long-distance communication with a typical deployment scenario of a maritime mesh network. This network uses an antenna system made up of multiple fixed-beamwidth antennas. Compared to most other directional antenna schemes which use directional antenna for transmission and omni-directional antenna for reception, our system uses directional antennas for both transmission and reception where a pair of transmitter-receiver antennas needs to be aligned and have an acceptable channel quality before transmission can take place. Through efficient use of directional antennas for both transmission and reception, and spatial reuse in transmission, we are able to realize a high-capacity mesh network. In this paper, we present a practical approach to achieve contention-free medium access, namely, a measurement-based link-scheduling algorithm. We evaluate the performance of the link-scheduling algorithm using simulations and show that it is able to exploit the spatial diversity provided by the directional antennas to outperform comparable schemes for wireless mesh networks. We also briefly discuss implementation issues to demonstrate the viability of the approach.