Spectrum and network management convergence for wireless communications

Authors:
Sheetalkumar R. Doshi;Ha H. Duong;Rajive L. Bagrodia;Serey Thai
Affiliations:
Scalable Network Technologies, Inc., Los Angeles, CA;Scalable Network Technologies, Inc., Los Angeles, CA;Scalable Network Technologies, Inc., Los Angeles, CA;Joint Spectrum Center, Annapolis, MD
Venue:
MILCOM'06 Proceedings of the 2006 IEEE conference on Military communications
Year:
2006

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Abstract

The main objective of this work is to study the spectrum-network management convergence that enables spectrum efficiency while providing adequate Quality of Service (QoS) required for mission critical applications running on a wireless communication network. We combine well known QoS frameworks with the different dynamic frequency (channel) allocation approaches for spectrum management to devise mechanisms that can enable efficient spectrum-network management in wireless networks with Joint Tactical Radio System (JTRS)-like nodes. Specifically, we present two schemes: the first is 'Greedy-DiffServ' scheme which is based on DiffServ and the opportunistic (greedy) approach for dynamic frequency allocation. The second scheme is 'Shared Information-IntServ' which is based on IntServ and the shared information approach for dynamic frequency allocation. These two mechanisms are implemented in the QualNet network simulator on a hierarchical wireless mobile ad hoc network using 'JTRS-like' devices and are evaluated against an extensive set of notional scenarios. We present simulation results that highlight the advantages of deploying a spectrum-network management scheme in a wireless network and compare the performance of the two mechanisms.