Now showing items 218-237 of 1832

  • Cache management in scalable network servers 

    Pai, Vivek Sadananda (2000)
    For many users, the perceived speed of computing is increasingly dependent on the performance of network server systems, underscoring the need for high performance servers. Cost-effective scalable network servers can be ...
  • Can complex systems really be simulated? 

    Kalmar-Nagy, Tamas; Stanciulescu, Ilinca (2014)
    The simulation of complex systems is important in many fields of science and in real-world applications. Such systems are composed of many interacting subsystems. There might exist different software packages for simulating ...
  • A Canonical Covariance Based Method for Generalized Joint Signal Representations 

    Jones, Douglas L.; Sayeed, Akbar M. (1996-04-20)
    Generalized joint signal representations extend the scope of joint time-frequency representations to a richer class of nonstationary signals. Cohen's marginal-based generalized approach is canonical from a distributional ...
  • The Capacity of Average and Peak Power Constrained Fading Channels with Channel Side Information 

    Khojastepour, Mohammad; Aazhang, Behnaam (2004-03-01)
    We derive the ergodic capacity of discrete-time fading channel with additive Gaussian noise subject to both peak and average power constraint. The average power can be interpreted as the cost that we incur to achieve a ...
  • Capacity of low power multiuser systems with antenna arrays 

    Muharemovic, Tarik (2005)
    In this thesis, we study wireless multiuser communication systems in the regime of low spectral efficiencies, where users and the multiple access point are equipped with antenna arrays. Our first contribution is to develop ...
  • CAPE - VLSI Implementation of a Systolic Processor Array: Architecture, Design and Testing 

    Hemkumar, Nariankadu D.; Kota, Kishore; Cavallaro, Joseph R. (1991-06-20)
    The SVD is an important matrix decomposition in many real-time signal processing, image processing and robotics applications. Special-purpose processor arrays can achieve significant speed-up over conventioinal architectures ...
  • Challenges in Computer Architecture Evaluation 

    Skadron, Kevin; Martonosi, Margaret; August, David; Hill, Mark; Lilja, David; Pai, Vijay S. (2003-08-20)
    A report to the US National Science Foundation argues that simulation and benchmarking technology will require a leap in capability within the next few years to maintain ongoing innovation in computer systems.
  • Channel equalization algorithms for MIMO downlink and ASIP architectures 

    Radosavljevic, Predrag (2004)
    Processors for mobile handsets in 3G cellular systems require: high speed, flexibility and low power dissipation. While computationally efficient, ASIC processors are often not flexible enough to support necessary variations ...
  • Channel Equalization Algorithms for MIMO Downlink and ASIP Architectures 

    Radosavljevic, Predrag (2004-04-01)
    Processors for mobile handsets in 3G cellular systems require: high speed, flexibility and low power dissipation. While computationally efficient, ASIC processors are often not flexible enough to support necessary ...
  • Channel Estimation and Signal Detection for Multi-Carrier CDMA Systems with Pulse-Shaping Filter 

    Borran, Mohammad Jaber; Varshney, Prabodh; Vilpponen, Hannu; Papadimitriou, Panayiotis (2003-05-20)
    We consider the problem of digital communication in a fading environment using the Multi-Carrier CDMA technology. By incorporating the effect of the pulse-shaping filter in the channel estimation and signal detection ...
  • Channel estimation for code division multiple access communication systems 

    Bensley, Stephen Edward (1994)
    We consider the estimation of channel parameters for code division multiple access (CDMA) communication systems operating over channels with either single or multiple propagation paths. We present two approaches for ...
  • Channel Estimation for Multirate DS-CDMA Systems 

    Sabharwal, Ashutosh; Mitra, Urbashi; Bhashyam, Srikrishna (2000-11-20)
    The problem of channel estimation for multiple data rate Direct-Sequence Code-Division Multiple-Acess (DS-CDMA) systems is addressed. The derived algorithms are suitable for both variable chipping rate and/or variable ...
  • Characterization of block memory operations 

    Calhoun, Michael (2006)
    Block memory operations are frequently performed by the operating system and consume an increasing fraction of kernel execution time. These operations include memory copies, page zeroing, interprocess communication, and ...
  • Characterization of Iron Doped Lithium Niobate for Holographic Storage Applications 

    Shah, Rajiv R.; Kim, Dae M.; Rabson, Thomas A.; Tittel, Frank K. (1976-06-20)
    A detailed study of eight systematically chosen Fe:LiNb0<sub>3</sub> crystals is presented. Correlation between the photorefractive sensitivity and various chemical properties of Fe:LiNb0<sub>3</sub> is investigated in ...
  • Characterizing Dynamic Transitions Associated with Snap-Through of Clamped Shallow Arches 

    Chandra, Yenny; Wiebe, Richard; Stanciulescu, Ilinca; Virgin, Lawrence N.; Spottswood, Stephen M.; Eason, Thomas G. (2013)
    Slender curved structures can often be found as components of complex structures in civil, mechanical, and aerospace systems. Under extreme loadings, a curved structure might undergo snap-through buckling, i.e., the structure ...
  • Characterizing Dynamic Transitions Associated With Snap-Through: A Discrete System 

    Wiebe, R.; Virgin, L. N.; Stanciulescu, Ilinca; Spottswood, S.M.; Eason, T.G. (2012)
    Geometrically nonlinear structures often possess multiple equilibrium configurations. Under extreme conditions of excitation, it is possible for these structures to exhibit oscillations about and between these co-existing ...
  • Characterizing Effective d31 Values for PZT from the Nonlinear Oscillations of Clamped-Clamped Micro- Resonators 

    Dick, Andrew J. (2013)
    In order to accurately predict the performance of micro-electromechanical systems which use piezoelectric material, precise knowledge of the piezoelectric coefficients is critical. Current material characterization methods ...
  • Charge-Dependent Transport Switching of Single Molecular Ions in a Weak Polyelectrolyte Multilayer 

    Tauzin, Lawrence J.; Shuang, Bo; Kisley, Lydia; Mansur, Andrea P.; Chen, Jixin; de Leon, Al; Advincula, Rigoberto C.; Landes, Christy F. (2014)
    The tunable nature of weak polyelectrolyte multilayers makes them ideal candidates for drug loading and delivery, water filtration, and separations, yet the lateral transport of charged molecules in these systems remains ...
  • Charge-transfer-based Gas Sensing Using Atomic-layer MoS2 

    Cho, Byungjin; Hahm, Myung Gwan; Choi, Minseok; Yoon, Jongwon; Kim, Ah Ra; Lee, Young-Joo; Park, Sung-Gyu; Kwon, Jung-Dae; Kim, Chang Su; Song, Myungkwan; Jeong, Yongsoo; Nam, Kee-Seok; Lee, Sangchul; Yoo, Tae Jin; Kang, Chang Goo; Lee, Byoung Hun; Ko, Heung Cho; Ajayan, Pulickel M.; Kim, Dong-Ho (2015-01-27)
    Two-dimensional (2D) molybdenum disulphide (MoS2) atomic layers have a strong potential to be used as 2D electronic sensor components. However, intrinsic synthesis challenges have made this task difficult. In addition, the ...
  • Chip level LMMSE Equalization for Downlink MIMO CDMA in fast fading environments 

    de Baynast, Alexandre; Radosavljevic, Predrag; Cavallaro, Joseph R. (2004-11-01)
    In this paper, we consider linear MMSE equalization for wireless downlink transmission with multiple transmit and receive antennas in fast fading environment. We propose a new algorithm based on conjugate-gradient algorithm ...