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» On the Power of Imperfect Information
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TSP
2008
76views more  TSP 2008»
15 years 6 months ago
Eigenvalue Beamforming Using a Multirank MVDR Beamformer and Subspace Selection
Abstract--We derive eigenvalue beamformers to resolve an unknown signal of interest whose spatial signature lies in a known subspace, but whose orientation in that subspace is othe...
Ali Pezeshki, B. D. Van Veen, Louis L. Scharf, H. ...
JSAC
2007
103views more  JSAC 2007»
15 years 6 months ago
Impact of Pilot Design on Achievable Data Rates in Multiple Antenna Multiuser TDD Systems
Abstract— In this paper we study the effects of practical pilotassisted channel state estimation on the achievable information theoretic data rates (uplink and downlink) in a mul...
Dragan Samardzija, Narayan B. Mandayam
182
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TWC
2008
120views more  TWC 2008»
15 years 6 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
CAGD
2002
98views more  CAGD 2002»
15 years 6 months ago
Comparison of interval methods for plotting algebraic curves
This paper compares the performance and efficiency of different function range interval methods for plotting f(x, y) = 0 on a rectangular region based on a subdivision scheme, whe...
Ralph R. Martin, Huahao Shou, Irina Voiculescu, Ad...
CORR
2007
Springer
126views Education» more  CORR 2007»
15 years 6 months ago
The effect of fading, channel inversion, and threshold scheduling on ad hoc networks
—This paper addresses three issues in the field of ad hoc network capacity: the impact of i) channel fading, ii) channel inversion power control, and iii) threshold–based sche...
Steven Weber, Jeffrey G. Andrews, Nihar Jindal