Directional antennas offer tremendous potential for improving the performance of ad hoc
networks. Harnessing this potential, however, requires new mechanisms at the medium …

Previous research on directional antennas has been confined mostly to medium access
control. However, it is necessary to evaluate the impact of directional antennas on the …

This paper evaluates the tradeoffs involved in using directional antennas in ad hoc routing.
Although problems with utilizing directional antennas have been visited in the past, the …

Directional antennas in ad hoc networks offer many benefits compared with classical
omnidirectional antennas. The most important include significant increase of spatial reuse …

Use of directional antenna in the context of ad hoc wireless networks can largely reduce
radio interference, thereby improving the utilization of wireless medium. Our major …

Previous research in wireless ad hoc networks typically assumes the use of omnidirectional
antennas at all nodes. With omnidirectional antennas, while two nodes are communicating …

We investigate the possibility of using directional antennas for medium access control in
wireless ad hoc networks. Previous research in ad hoc networks typically assumes the use …

Using directional antennas can be beneficial for wireless ad hoc networks consisting of a
collection of wireless hosts. To best utilize directional antennas, a suitable medium access …

Directional antennas can be useful in significantly increasing the capacity of wireless ad hoc
networks. With directional antennas, independent communications between nodes can …

The capacity of ad hoc wireless networks is constrained by the interference between
concurrent transmissions from neighboring nodes. Gupta and Kumar have shown that the …