Abstract-We present the CROWN (Collaborative ROuting, scheduling and frequency assignment for Wireless ad hoc Networks) scheme. CROWN is a cross-layer optimization approach for spectrum-agile nodes to adjust their spectrum allocation and transmission scheduling according to the underlying traffic demands. Instead of choosing the optimal route based on predetermined transmission scheduling and frequency assignment results, CROWN incorporates the efficiency of the underlying frequency assignment and scheduling information into the routing metric calculation, so that the route with the maximal joint spatial and frequency reuse is selected. Simulation results show that CROWN efficiently exploits the frequency diversity and spatial reuse features of spectrum-agile radios.
Collaborative Routing, scheduling, and frequency assignment for Wireless ad hoc Networks (CROWN) REF adjusts the spectrum allocation and transmission scheduling of spectrumagile nodes under their traffic demands; this method incorporates node statuses for the routing metric calculation for maximal spatial and frequency reuse.
Collaborative Routing, Scheduling and Frequency Assignment for Wireless Ad Hoc Networks Using Spectrum-Agile Radios
2008 Proceedings of 17th International Conference on Computer Communications and Networks
2008 Proceedings of 17th International Conference on Computer Communications and Networks
Computer Science