Sciweavers

TWC
2008
120views more  TWC 2008»
13 years 2 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
CISS
2008
IEEE
13 years 4 months ago
Cross-layer multicommodity capacity expansion on ad hoc wireless networks of cognitive radios
Cognitive radios permit dynamic control of physical layer resources such as transmission power and constellation size; these degrees of freedom can be employed to achieve significa...
Alex Fridman, Steven Weber, Kapil R. Dandekar, Mos...
IWCMC
2006
ACM
13 years 8 months ago
Low complexity design of space-time convolutional codes with high spectral efficiencies
Space time convolutional codes (STCCs) are an effective way to combine transmit diversity with coding. The computational complexity of designing STCCs generally increases exponent...
Kyungmin Kim, Hamid R. Sadjadpour, Rick S. Blum, Y...
GLOBECOM
2006
IEEE
13 years 8 months ago
Scalable Design of Space-Time Trellis Code with Low Decoding Complexity
—Design of space-time codes that scale with the number of transmit antennas is a difficult problem. In this paper, we introduce a new family of space-time trellis codes (STTC) th...
Kyungmin Kim, Hamid R. Sadjadpour, Rick S. Blum, Y...