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8

ICCCN
2007
IEEE

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SpotMAC: A Pencil-Beam MAC for Wireless Mesh Networks

13 years 10 months ago

SpotMAC: A Pencil-Beam MAC for Wireless Mesh Networks

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Abstract— Deafness is a key problem. It erodes the performance gains provided by directional antennas, and introduces a new hidden terminal problem. To address deafness, and hence the hidden terminal problem, we propose SpotMAC. By exploiting narrow or pencil beams, SpotMAC achieves high spatial reuse, throughput and fairness. In addition, pencil beams simplify the collision avoidance process and constrain the hidden terminal problem to a linear topology which can be solved using an inverse RTS/CTS exchange. From extensive simulation studies, we conﬁrm nodes using SpotMAC have several orders of magnitude higher throughput than those using the IEEE 802.11 MAC with omni-directional antenna.

Kwan-Wu Chin

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Hidden Terminal Problem | ICCCN 2007 | Key Problem | Pencil Beams |

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Added	03 Jun 2010
Updated	03 Jun 2010
Type	Conference
Year	2007
Where	ICCCN
Authors	Kwan-Wu Chin

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