DIRC: Increasing Indoor Wireless Capacity Using Directional Antennas

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Executive Summary

The demand for wireless bandwidth in indoor environments such as homes and offices continues to increase rapidly. Although, wireless technologies such as MIMO can reach link throughputs of 100s of Mbps (802.11n) for a single link, the question of how the authors can deliver high throughput to a large number of densely-packed devices remains an open problem. Directional antennas have been shown to be an effective way to increase spatial reuse, but past work has focused largely on outdoor environments where the interactions between wireless links can usually be ignored.

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