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VTC
2008
IEEE
118views Communications» more  VTC 2008»
14 years 1 months ago
Multinode Spectrum Sensing Based on Energy Detection for Dynamic Spectrum Access
— Sharing of the frequency spectrum between licensed primary users and unlicensed secondary users (SUs) requires reliable detection of spectrum occupancy by the SUs. Due to fadin...
Frank E. Visser, Gerard J. M. Janssen, Przemyslaw ...
HPCA
1999
IEEE
13 years 12 months ago
Improving CC-NUMA Performance Using Instruction-Based Prediction
We propose Instruction-based Prediction as a means to optimize directory-based cache coherent NUMA shared-memory. Instruction-based prediction is based on observing the behavior o...
Stefanos Kaxiras, James R. Goodman
IPPS
1999
IEEE
13 years 12 months ago
NWCache: Optimizing Disk Accesses via an Optical Network/Write Cache Hybrid
In this paper we propose a simple extension to the I/O architecture of scalable multiprocessors that optimizes page swap-outs significantly. More specifically, we propose the use o...
Enrique V. Carrera, Ricardo Bianchini
WSC
1998
13 years 9 months ago
Using ACCESSIBILITY to Assess the Performance of Generalized Hill Climbing Algorithms
The search problem, ACCESSIBILITY, asks whether a finite sequence of events can be found such that, starting with a specific initial event, a particular state can be reached. This...
Sheldon H. Jacobson, Enver Yücesan
JSAC
2008
151views more  JSAC 2008»
13 years 7 months ago
Joint Beamforming and Power Allocation for Multiple Access Channels in Cognitive Radio Networks
A cognitive radio (CR) network is often described as a secondary network operating in a frequency band originally licensed/allocated to a primary network consisting of one or multi...
Lan Zhang, Ying-Chang Liang, Yan Xin