Deafness-aware MAC protocol for directional antennas

In this paper, we propose a new directional MAC protocol referred to as deafness-aware MAC (DA-MAC) distinguishing the deafness from the collision. Although a significant number of directional MAC protocols have been proposed including [1]-[3], they have not comprehensively resolved the deafness problem. With the expense of an additional narrow-band antenna, we provide distinction between the deafness and the collision. Through performance analysis, we show our DA-MAC protocol can significantly outperform the existing techniques with respect to the throughput, energy consumption, and deafness duration.