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ICC
2007
IEEE
175views Communications» more  ICC 2007»
16 years 1 months ago
A Framework for Dynamic Spectrum Sharing Between Cognitive Radios
— We consider a cognitive radio system like the future 802.22 networks where license-exempt service providers (SPs) will share a fixed spectrum in a non-interference basis to ea...
Joydeep Acharya, Roy D. Yates
ICC
2007
IEEE
122views Communications» more  ICC 2007»
16 years 1 months ago
Evaluation of Clipped-OFDM and SC/FDE Alternatives for Block Transmission Using Iterative Receiver Techniques
— A CP-assisted (Cyclic Prefix) block transmission is widely accepted as a good choice for future mobile systems, taking advantage of low-cost, flexible, FFT-based (Fast Fourie...
Paulo Torres, António Gusmão
ICC
2007
IEEE
110views Communications» more  ICC 2007»
16 years 1 months ago
On the Impact of Carrier Frequency Offsets in OFDM/SDMA Systems
— The combined OFDM/SDMA approach has raised lots of research interests recently as it appears to be quite suitable for future broadband wireless transmission. In order to build ...
Sheng Zhou, Kai Zhang, Zhisheng Niu
IEEEIAS
2007
IEEE
16 years 1 months ago
Cyber Threat Trend Analysis Model Using HMM
Prevention, not reaction, is normally recognized as one of the best defense strategy against malicious hackers or attackers. The desire of deploying better prevention mechanism mo...
Do-Hoon Kim, Taek Lee, Sung-Oh David Jung, Hoh Pet...
TPHOL
2007
IEEE
16 years 1 months ago
Separation Logic for Small-Step cminor
Cminor is a mid-level imperative programming language; there are proved-correct optimizing compilers from C to Cminor and from Cminor to machine language. We have redesigned Cminor...
Andrew W. Appel, Sandrine Blazy