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» Optimal transmission rate for ultra low-power receivers
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GLOBECOM
2010
IEEE
13 years 5 months ago
Energy-Efficient Multi-Carrier Link Adaptation with Sum Rate-Dependent Circuit Power
Abstract--Energy-efficient link adaptation is studied for transmission on a frequency-selective parallel AWGN channel. The total power dissipation model includes a circuit power th...
Christian Isheden, Gerhard Fettweis
ICC
2009
IEEE
162views Communications» more  ICC 2009»
14 years 2 months ago
Minimizing Energy Consumption in IR-UWB Based Wireless Sensor Networks
Abstract—Impulse Radio Ultra-wideband (IR-UWB) communication has proven an important technique for supporting highrate, short-range, low-power communication. These are necessary ...
Tianqi Wang, Wendi B. Heinzelman, Alireza Seyedi
GLOBECOM
2008
IEEE
14 years 2 months ago
Weighted Sum Rate Optimization of Multicell Cognitive Radio Networks
— In this paper, we study the weighted sum rate maximization of multicell cellular cognitive radio networks (CRNs) which are overlaid with multicell primary radio networks (PRNs)...
Yao Ma, Dong In Kim, Alex Leith
TSP
2010
13 years 2 months ago
Beamforming and rate allocation in MISO cognitive radio networks
We consider decentralized multiantenna cognitive radio networks where the secondary (cognitive) users are granted simultaneous spectrum access along with the license-holding (prima...
Ali Tajer, Narayan Prasad, Xiaodong Wang
DCC
2007
IEEE
14 years 7 months ago
Lossless Transmission of Correlated Sources over a Multiple Access Channel with Side Information
In this paper, we consider lossless transmission of arbitrarily correlated sources over a multiple access channel. Characterization of the achievable rates in the most general set...
Deniz Gündüz, Elza Erkip