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    CDC
    2009
    IEEE
    169views Control Systems» more  CDC 2009»
    Parametric regret in uncertain Markov decision processes
    14 years 18 days ago
    Parametric regret in uncertain Markov decision processes
    Download  www.cim.mcgill.ca
    — We consider decision making in a Markovian setup where the reward parameters are not known in advance. Our performance criterion is the gap between the performance of the best ...
    Huan Xu, Shie Mannor
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    GLOBECOM
    2006
    IEEE
    132views Communications» more  GLOBECOM 2006»
    Optimal Resource Allocation via Geometric Programming for OFDM Broadcast and Multiple Access Channels
    14 years 1 months ago
    Optimal Resource Allocation via Geometric Programming for OFDM Broadcast and Multiple Access Channels
    Download  www.princeton.edu
    Abstract— For multi-user orthogonal frequency division multiplexing (OFDM) systems, efficient optimal rate and power allocation algorithms are presented via geometric programmin...
    Kibeom Seong, David D. Yu, Youngjae Kim, John M. C...
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    TSP
    2010
    140views Artificial Intelligence» more  TSP 2010»
    A dual perspective on separable semidefinite programming with applications to optimal downlink beamforming
    13 years 2 months ago
    A dual perspective on separable semidefinite programming with applications to optimal downlink beamforming
    Download  www.ece.ust.hk
    This paper considers the downlink beamforming optimization problem that minimizes the total transmission power subject to global shaping constraints and individual shaping constrai...
    Yongwei Huang, Daniel Pérez Palomar
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    ICASSP
    2011
    IEEE
    194views Signal Processing» more  ICASSP 2011»
    Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
    12 years 11 months ago
    Robust secondary multicast transmit beamforming for cognitive radio networks under imperfect channel state information
    Download  mirlab.org
    Consider a robust downlink beamforming optimization problem for secondary multicast transmission in a multiple-input multiple-output (MIMO) spectrum sharing cognitive radio (CR) n...
    Yongwei Huang, Qiang Li, Wing-Kin Ma, Shuzhong Zha...
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    CVPR
    2009
    IEEE
    375views Computer Vision» more  CVPR 2009»
    Learning from Ambiguously Labeled Images
    15 years 3 months ago
    Learning from Ambiguously Labeled Images
    Download  www.seas.upenn.edu
    In many image and video collections, we have access only to partially labeled data. For example, personal photo collections often contain several faces per image and a caption t...
    Benjamin Sapp, Benjamin Taskar, Chris Jordan, Timo...
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