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» On Using Channel Prediction in Adaptive Beamforming Systems
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ISCAS
2006
IEEE
118views Hardware» more  ISCAS 2006»
15 years 10 months ago
A robust continuous-time multi-dithering technique for laser communications using adaptive optics
A robust system architecture to achieve optical coherency free optimization. Several methods that had been proposed in the in multiple-beam free-space laser communication links wit...
Dimitrios N. Loizos, Paul-Peter Sotiriadis, Gert C...
ICC
2008
IEEE
122views Communications» more  ICC 2008»
15 years 10 months ago
Multi-Carrier Transmission with Limited Feedback: Power Loading over Sub-Channel Groups
— Feedback of channel state information (CSI) enables a multi-carrier transmitter to optimize the power allocation across sub-channels. We consider a single user feedback scheme ...
Manish Agarwal, Dongning Guo, Michael L. Honig
GLOBECOM
2008
IEEE
15 years 10 months ago
Characterizing Indoor Wireless Channels via Ray Tracing, and Validation via Measurements
Abstract—We investigate the reliability of radio channel simulators in capturing the important properties of radio channels throughout a well-specified environment. Indoor envir...
Aliye Özge Kaya, Larry J. Greenstein, Wade Tr...
TWC
2010
14 years 10 months ago
Rateless coding for hybrid free-space optical and radio-frequency communication
Abstract--Free-space optical (FSO) transmission systems enable high-speed communication with relatively small deployment costs. However, FSO suffers a critical disadvantage, namely...
Ali AbdulHussein, Anand Oka, Trung Thanh Nguyen 00...
CORR
2006
Springer
126views Education» more  CORR 2006»
15 years 4 months ago
Power Control for User Cooperation
For a fading Gaussian multiple access channel with user cooperation, we obtain the optimal power allocation policies that maximize the rates achievable by block Markov superpositi...
Onur Kaya, Sennur Ulukus