51 search results - page 1 / 11 » Impact of Constraints on the Complexity of Dynamic Spectrum ... |
GLOBECOM
2008
IEEE
13 years 10 months ago
2008
IEEE
— In this paper we study the complexity of spectrum assignment problems in cognitive radio networks (CRNs) in the presence of several constraints. Although optimal spectrum assig...
BROADNETS
2006
IEEE
13 years 10 months ago
2006
IEEE
— As an optical signal propagates along a lightpath to its destination in wavelength-routed optical networks (WRONs), the quality of service (QoS) will be degraded by transmissio...
ICC
2007
IEEE
13 years 10 months ago
2007
IEEE
— As for today, radio spectrum resource is rigidly partitioned for dedicated purposes. The exclusive license of fixed size spectrum blocks separated by guard bands easily solves...
MONET
2008
13 years 4 months ago
2008
This paper investigates a distributed and adaptive approach to manage spectrum usage in dynamic spectrum access networks. While previous works focus on centralized provisioning, w...
MOBIHOC
2010
ACM
13 years 2 months ago
2010
ACM
Dynamic spectrum auction is an effective solution to provide spectrum on-demand to many small wireless networks. As the number of participants grows, bidder collusion becomes a se...