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    TSP
    2008
    103views more  TSP 2008»
    Distributed Adaptive Quantization for Wireless Sensor Networks: From Delta Modulation to Maximum Likelihood
    13 years 11 months ago
    Distributed Adaptive Quantization for Wireless Sensor Networks: From Delta Modulation to Maximum Likelihood
    Download  www.ece.stevens-tech.edu
    Abstract-- We consider distributed parameter estimation using quantized observations in wireless sensor networks where due to bandwidth constraint, each sensor quantizes its local ...
    Jun Fang, Hongbin Li
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    TSP
    2008
    100views more  TSP 2008»
    Time-Slotted Round-Trip Carrier Synchronization for Distributed Beamforming
    13 years 11 months ago
    Time-Slotted Round-Trip Carrier Synchronization for Distributed Beamforming
    Download  spinlab.wpi.edu
    Transmit beamforming is an energy-efficient wireless communication technique that allows a transmitter with two or more antennas to focus its bandpass signal in an intended directi...
    D. Richard Brown III, H. Vincent Poor
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    TSP
    2008
    105views more  TSP 2008»
    Code-Assisted Synchronization for UWB-IR Systems: Algorithms and Analysis
    13 years 11 months ago
    Code-Assisted Synchronization for UWB-IR Systems: Algorithms and Analysis
    Download  spcom.leeds.ac.uk
    Timing synchronization is a critical challenge in ultra-wideband impulse radios (UWB-IRs). Conventional fulldigital synchronization methods encounter implementation difficulties su...
    Yeqiu Ying, Mounir Ghogho, Ananthram Swami
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    TSP
    2008
    101views more  TSP 2008»
    Optimal Node Density for Detection in Energy-Constrained Random Networks
    13 years 11 months ago
    Optimal Node Density for Detection in Energy-Constrained Random Networks
    Download  acsp.ece.cornell.edu
    The problem of optimal node density maximizing the Neyman-Pearson detection error exponent subject to a constraint on average (per node) energy consumption is analyzed. The spatial...
    Animashree Anandkumar, Lang Tong, Ananthram Swami
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    TSP
    2008
    114views more  TSP 2008»
    Clipping-Noise Guided Sign-Selection for PAR Reduction in OFDM Systems
    13 years 11 months ago
    Clipping-Noise Guided Sign-Selection for PAR Reduction in OFDM Systems
    Download  www.ece.ualberta.ca
    The peak-to-average power ratio (PAR) of orthogonal frequency division multiplexing (OFDM) systems can be reduced by using an optimal set of subcarrier signs. However, this sign se...
    Luqing Wang, Chintha Tellambura
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    TSP
    2008
    91views more  TSP 2008»
    Nonlinear and Nonideal Sampling: Theory and Methods
    13 years 11 months ago
    Nonlinear and Nonideal Sampling: Theory and Methods
    Download  webee.technion.ac.il
    We study a sampling setup where a continuous-time signal is mapped by a memoryless, invertible and nonlinear transformation, and then sampled in a nonideal manner. Such scenarios a...
    Tsvi G. Dvorkind, Yonina C. Eldar, Ewa Matusiak
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    TSP
    2008
    166views more  TSP 2008»
    A Convex Analysis Framework for Blind Separation of Non-Negative Sources
    13 years 11 months ago
    A Convex Analysis Framework for Blind Separation of Non-Negative Sources
    Download  www.ee.cuhk.edu.hk
    This paper presents a new framework for blind source separation (BSS) of non-negative source signals. The proposed framework, referred herein to as convex analysis of mixtures of ...
    Tsung-Han Chan, Wing-Kin Ma, Chong-Yung Chi, Yue W...
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    TSP
    2008
    106views more  TSP 2008»
    Identification of Matrices Having a Sparse Representation
    13 years 11 months ago
    Identification of Matrices Having a Sparse Representation
    Download  www.maths.ed.ac.uk
    We consider the problem of recovering a matrix from its action on a known vector in the setting where the matrix can be represented efficiently in a known matrix dictionary. Conne...
    Götz E. Pfander, Holger Rauhut, Jared Tanner
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    TSP
    2008
    90views more  TSP 2008»
    Generalized Correlation Decomposition-Based Blind Channel Estimation in DS-CDMA Systems With Unknown Wide-Sense Stationary Noise
    13 years 11 months ago
    Generalized Correlation Decomposition-Based Blind Channel Estimation in DS-CDMA Systems With Unknown Wide-Sense Stationary Noise
    Download  www.nt.tu-darmstadt.de
    A new blind subspace-based channel estimation technique is proposed for direct-sequence code-division multiple access (DS-CDMA) systems operating in the presence of unknown wide-se...
    Keyvan Zarifi, Alex B. Gershman
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    TSP
    2008
    81views more  TSP 2008»
    Subspace Beamforming for Near-Capacity MIMO Performance
    13 years 11 months ago
    Subspace Beamforming for Near-Capacity MIMO Performance
    Download  ita.ucsd.edu
    A subspace beamforming method is presented that decomposes a MIMO channel into multiple pairs of subchannels. The pairing is done based on singular values such that similar channel...
    Sirikiat Lek Ariyavisitakul, Jun Zheng, E. Ojard, ...
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