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JCM
2008
94views more  JCM 2008»
13 years 7 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
TSP
2008
117views more  TSP 2008»
13 years 7 months ago
A Theory for Sampling Signals From a Union of Subspaces
One of the fundamental assumptions in traditional sampling theorems is that the signals to be sampled come from a single vector space (e.g. bandlimited functions). However, in many...
Yue M. Lu, Minh N. Do
TWC
2008
120views more  TWC 2008»
13 years 7 months ago
Energy minimization of a QAM system with fading
In this paper, the problem of choosing constellation size and transmit power that minimizes the energy-per-goodbit in a frequency-flat, long-term static fading channel is considere...
Raghavendra S. Prabhu, Babak Daneshrad
PAAPP
2002
76views more  PAAPP 2002»
13 years 7 months ago
Performance of PDE solvers on a self-optimizing NUMA architecture
Abstract. The performance of shared-memory (OpenMP) implementations of three different PDE solver kernels representing finite difference methods, finite volume methods, and spectra...
Sverker Holmgren, Markus Nordén, Jarmo Rant...
IAJIT
2010
141views more  IAJIT 2010»
13 years 6 months ago
Complex Gain Predistortion in WCDMA Power Amplifiers with Memory Effects
: Power amplifiers are essential components in communication systems and are inherently nonlinear. The nonlinearity creates spectral growth beyond the signal bandwidth, which inter...
Pooria Varahram, Somayeh Mohammady, Mohd Hamidon, ...