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» Capacity of Optical Intensity Channels with Peak and Average...
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ICC
2009
IEEE
144views Communications» more  ICC 2009»
13 years 10 months ago
Capacity of Optical Intensity Channels with Peak and Average Power Constraints
— The design and analysis of capacity-approaching input signalling for optical intensity channels are presented. Both peak and average optical power constraints are considered in...
Ahmed A. Farid, Steve Hranilovic
CORR
2008
Springer
138views Education» more  CORR 2008»
13 years 3 months ago
On the Capacity of Free-Space Optical Intensity Channels
New upper and lower bounds are presented on the capacity of the free-space optical intensity channel. This channel is characterized by inputs that are nonnegative (representing the...
Amos Lapidoth, Stefan M. Moser, Michele A. Wigger
CISS
2007
IEEE
13 years 10 months ago
The Poisson Fading Channel
—In this first paper of a two-part series, a single-user single-input single-output (SISO) shot-noise-limited Poisson channel is considered over which an information signal is t...
Kaushik Chakraborty, Prakash Narayan
ICC
2007
IEEE
200views Communications» more  ICC 2007»
13 years 10 months ago
Channel Capacity of IM/DD Optical Communication Systems and of ACO-OFDM
In this paper we investigate the channel capacity of intensity modulated direct detection (IM/DD) wireless optical communication systems for an AWGN channel with a limit on the ave...
Xia Li, Rosemary Mardlin, Jean Armstrong
GLOBECOM
2007
IEEE
13 years 10 months ago
Soft Sensing and Optimal Power Control for Cognitive Radio
We consider a cognitive radio system where the secondary transmitter varies its transmit power based on all the information available from the spectrum sensor. The operation of th...
Sudhir Srinivasa, Syed Ali Jafar