Cooperative Spatial Reuse with Transmit Beamforming in Multi-rate Wireless Networks

Provided by: Journal of Communications
Topic: Enterprise Software
Format: PDF
The authors present a Co-operative Spatial Reuse (CSR) scheme as a cooperative extension of the current TDMA based MAC to enable spatial reuse in multi-rate wireless networks. They model spatial reuse as a cooperation problem on utilizing the time slots obtained from the TDMA-based MAC. In CSR, there are two operation modes. One is TDMA mode while the other is spatial reuse mode in which links transmit simultaneously. Links contribute their own time slots to form a cooperative group to do spatial reuse. Each link joins the group only if it can benefit in capacity or energy efficiency.

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