Now showing items 1359-1378 of 1759

  • Recombination-assisted megaprimer (RAM) cloning 

    Mathieu, Jacques; Alvarez, Emilia; Alvarez, Pedro J.J. (2014)
    No molecular cloning technique is considered universally reliable, and many suffer from being too laborious, complex, or expensive. Restriction-free cloning is among the simplest, most rapid, and cost-effective methods, ...
  • Reconfigurable Architectures for Wireless Systems: Design Exploration and Integration Challenges 

    Cavallaro, Joseph R.; Brogioli, Michael C.; de Baynast, Alexandre; Radosavljevic, Predrag (WWRF, 2004-11-01)
    Mobile devices are severely power and area limited due to battery capacity and system size. In many of these example systems, advanced features require computationally complex signal processing on high-speed data streams ...
  • A Reconfigurable Decoder Architecture for Wireless LAN and Cellular Systems 

    Chadha, Kanu (2001-04-01)
    The rapid growth of wireless communications has led to the demand for communication devices which can support multiple standards and have the capability of switching from one to another on-the-fly. For instance, a device ...
  • Reconfigurable heterogeneous DSP/FPGA based embedded architectures for numerically intensive computing workloads 

    Brogioli, Michael C. (2007)
    Telecommunications and multimedia form a vast segment of the embedded systems market. Variations in standards coupled with the desire for software programmability often result in software based implementations executing ...
  • Reconfigurable Multi-Standard Uplink MIMO Receiver with Partial Interference Cancellation 

    Yin, Bei; Amiri, Kiarash; Cavallaro, Joseph R.; Guo, Yuanbin (IEEE, 2012-06-01)
    As HSPA/HSPA+ and LTE/LTE-A evolve in parallel, the reconfigurability of a receiver to support multiple standards has become more and more important, especially for small cells. In this paper, we first suggest a reconfigurable ...
  • Reconfigurable Real-time MIMO Detector on GPU 

    Wu, Michael; Sun, Yang; Cavallaro, Joseph R. (IEEE, 2009-11-01)
    In a high performance multiple-input multiple-output (MIMO) system, a soft output MIMO detector combined with a channel decoder is often used at the receiver to maximize performance gain. Graphic processor unit (GPU) is a ...
  • Reconfigurable stream processors for wireless base-stations 

    Rajagopal, Sridhar; Rixner, Scott; Cavallaro, Joseph R. (2003-10-20)
    This paper presents the design and use of reconfigurable stream processors for the physical layer processing in wireless base-stations. Stream processors, traditionally used for high performance media processing, use ...
  • A reconfigurable viterbi decoder architecture 

    Chadha, Kanu; Cavallaro, Joseph R. (2001-11-20)
    We present the design and implementation of a novel reconfigurable Viterbi decoder which provides dynamic adaptation to different constraint length and code rate convolutional codes. A decoder what supports constraint ...
  • RECONSTRUCTION OF SIGNALS FROM PHASE: EFFICIENT ALGORITHMS, SEGMENTATION, AND GENERALIZATIONS 

    MERCHANT, GULAMABBAS ABDULHUSEIN (1982)
    It is well known that the phase of the Fourier transform of a signal contains a significant amount of information about the signal. Under certain circumstances the knowledge of phase is sufficient to recover the original ...
  • A recursive algorithm for digital Image Processing using Local Statistics 

    de Figueiredo, Rui J.P. (1979-06-20)
    An algorithm is presented for digital image processing based on local statistics. The algorithm constitutes a recursive implementaiton of an approach proposed and implemented nonrecursively by J.S. Lee (Naval Research ...
  • A Recursive Construction for Low-Complexity Non-coherent Constellations 

    Borran, Mohammad Jaber; Sabharwal, Ashutosh; Aazhang, Behnaam (2004-04-01)
    It is known that at high signal to noise ratio (SNR), or for large coherence interval (T), a constellations of unitary matrices can achieve the capacity of the non-coherent multiple-antenna system in block Rayleigh flat-fading ...
  • REDUCED BANDWIDTH DELTA NETWORKS 

    HARPER, DAVID TENNYSON, III (1987)
    As multiprocessor architectures become more prevalent, understanding the performance of interconnection networks becomes more critical. Because the cost of these networks is high, it is desirable to use the least sophisticated ...
  • Reduced Complexity Soft MMSE MIMO Detector Architecture 

    Amiri, Kiarash; Dick, Chris; Rao, Raghu; Cavallaro, Joseph R. (Wireless Innovation Forum, Inc., 2010-12-01)
    Computing the soft LLR values in MMSE receivers of MIMO systems requires a very large complexity. In this paper, we propose a reduced complexity soft MMSE detector for MIMO systems. We use different complexity reductions ...
  • Reduced QRD-M Detector in MIMO-OFDM Systems With Partial and Embedded Sorting 

    Guo, Yuanbin; McCain, Dennis (IEEE ComSoc, 2005-11-01)
    In this paper,we present a reduced QRD-M matrix symbol detector in MIMO-OFDM systems. The QRD-M algorithm first decomposes the MIMO channel matrix into upper triangular matrix and applies a limited tree search to approximate the ...
  • Reduced Rank Algorithms for Wireless Space-Time Channels 

    Ndili, Obianuju (2000-05-20)
    The estimation of channel coefficients constitutes a major function of the receiver. It is also an important step in the signal detection process at the receiver, in a wireless communication system. To describe the space-time ...
  • Reducing Dynamic Power Consumption in Next Generation DS-CDMA Mobile Communication Receivers 

    Chandrasekhar, Vikram (2002-08-01)
    Reduction of the power consumption in portable wireless receivers is an important consideration for next-generation cellular systems specified by standards such as the UMTS, IMT2000. This thesis explores the design-space ...
  • Reducing dynamic power consumption in next generation DS-CDMA mobile communication receivers 

    Chandrasekhar, Vikram; Livingston, Frank; Cavallaro, Joseph R. (Inderscience Enterprises Ltd., 2008-09-01)
    Reduction of the power consumption in portable wireless receivers is important for cellular systems, including UMTS and IMT2000. This paper explores the architectural design-space and methodologies for reducing the dynamic ...
  • Reducing Dynamic Power Consumption in Next Generation DS-CDMA Mobile Communication Receivers 

    Chandrasekhar, Vikram; Livingston, Frank; Cavallaro, Joseph R. (2003-06-20)
    Reduction of the power consumption in portable wireless receivers is an important consideration for next-generation cellular systems specified by standards such as the UMTS, IMT2000. This paper explores the architectural ...
  • Reducing Peak-to-Average Power Ratio in OFDM Systems by adaptive dynamic range companding 

    Guo, Yuanbin; Cavallaro, Joseph R. (2002-05-01)
    One of the major drawbacks of OFDM systems is the notoriously high peak-to-average-power-ratio (PAPR). In this paper we study the performance of a novel PAPR reduction scheme proposed recently, namely Adaptive Dynamic ...
  • Redundant and Online CORDIC for Unitary Transformations 

    Hemkumar, Nariankadu D.; Cavallaro, Joseph R. (1994-08-20)
    Two-sided unitary transformations of arbitrary 2 x 2 matrices are needed in parallel algorithms based on Jacobi-like methods for eigenvalue and singulare value decompositions of complex matrices. This paper presents a ...