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MOBICOM
2009
ACM
16 years 27 days ago
Revenue maximization and distributed power allocation in cognitive radio networks
Cognitive radio is an enabling technology that allows unlicensed users to opportunistically access the spectrum in order to enhance the spectrum efficiency. In this paper, we cons...
Shaolei Ren, Mihaela van der Schaar
TSP
2008
94views more  TSP 2008»
15 years 6 months ago
Cross-Entropy-Based Sign-Selection Algorithms for Peak-to-Average Power Ratio Reduction of OFDM Systems
Sign-selection uses a set of subcarrier signs to reduce the peak-to-average power ratio (PAR) of orthogonal-frequency-division multiplexing (OFDM). However, the computational compl...
Luqing Wang, Chintha Tellambura
DATE
2008
IEEE
101views Hardware» more  DATE 2008»
16 years 26 days ago
Resilient Dynamic Power Management under Uncertainty
With the increasing levels of variability and randomness in the characteristics and behavior of manufactured nanoscale structures and devices, achieving performance optimization u...
Hwisung Jung, Massoud Pedram
JCM
2008
94views more  JCM 2008»
15 years 6 months ago
Cell Site Power Characterization for Multi-rate Wireless CDMA Data Networks Using Lognormal Approximation
An analytical model is developed to solve the power-rate assignment problem for multi-rate CDMA systems and calculate the probability density function (PDF) for the downlink traffi...
Ashraf S. Hasan Mahmoud
JEC
2006
71views more  JEC 2006»
15 years 6 months ago
Destructive-read in embedded DRAM, impact on power consumption
This paper explores power consumption for destructive-read embedded DRAM. Destructive-read DRAM is based on conventional DRAM design, but with sense amplifiers optimized for lower ...
Haakon Dybdahl, Per Gunnar Kjeldsberg, Marius Gran...