Spatial reuse enhanced MAC for wireless dense networks

Authors:
Sunheui Ryoo;Saewoong Bahk
Affiliations:
School of Electrical Engineering and Computer Science, INMC, Seoul National University, Seoul, Korea;School of Electrical Engineering and Computer Science, INMC, Seoul National University, Seoul, Korea
Venue:
ICUFN'09 Proceedings of the first international conference on Ubiquitous and future networks
Year:
2009

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Abstract

As wireless networks evolve, the spatial reuse becomes important because it heavily affects overall network throughput. Especially in a dense network, the selection of transmission nodes highly influences the number of simultaneous transmissions. In this paper, we propose a spatial reuse enhanced medium access control (SRE MAC) that gives transmission priority to the nodes that have a small number of interferers. Both centralized and distributed approaches are considered with a hierarchical network model. The performance comparison shows that, with a perfect MAC control, the proposed SRE MAC enhances the network-wide throughput through allowing more number of transmissions in parallel.