8060 search results - page 239 / 1612 » Adaptive BICM-OFDM Systems |
184
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GLOBECOM
2009
IEEE
16 years 1 months ago
2009
IEEE
Abstract—Multichannel wireless networks provide the flexibility to utilize the available spectrum efficiently for achieving improved system performance in terms of throughput a...
172
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ISDA
2009
IEEE
16 years 1 months ago
2009
IEEE
Recent studies [13, 18] have shown that clearing schemes are efficient multi-modal optimization methods. They efficiently reduce genetic drift which is the direct reason for prema...
196
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WOWMOM
2009
ACM
16 years 29 days ago
2009
ACM
Abstract— Spectrum-agile radios, also known as cognitive radios, have a great potential to improve spectrum utilization by enabling dynamic access to the spectrum. A key challeng...
157
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ICALT
2008
IEEE
16 years 28 days ago
2008
IEEE
This paper presents the adaptation model used in NUCLEO, a pilot e-learning environment that is currently being developed at the Complutense University of Madrid. The NUCLEO syste...
170
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SASO
2008
IEEE
16 years 26 days ago
2008
IEEE
As technology progresses, we are seeing increasing numbers of small devices that have the capability to store, process and forward information in our everyday physical environment...