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  • A multi-bit delta sigma audio digital-to-analog converter

    Creator:
    Wang, Ruopeng
    Abstract:
    Digital-to-analog converters (DACs) with wide dynamic range and high linearity are required for high-end audio applications. A multi-bit delta sigma audio DAC, using a novel gain-correction technique, is described in this thesis. For widely varying on-chip RC time constant, the DAC gain can be accurately controlled by the correction circuitry....
    Resource Type:
    Dissertation
    Full Text:
    significantly enriched my work. I would also like to thank Prof. Larry Marple, Prof. Luca Lucchese, Prof

  • Performance-improving techniques for wireless systems

    Creator:
    Ozdural, Orhan Can
    Abstract:
    In this thesis, maximum likelihood Doppler frequency estimation and phase noise suppression algorithms for Orthogonal Frequency Division Multiplexing (OFDM) systems are presented. A novel handover decision algorithm for wireless systems, called predictive base station switching (PBSS), is also introduced. The maximum Doppler Frequency is the ratio of the speed of...
    Resource Type:
    Dissertation
    Full Text:
    committee members, Dr. Mario E. Magaña, Dr. Larry Marple, Dr. Zhongfeng Wang, Dr. Luca Lucchese and Dr

  • Pulsed ultra-wideband: transmission, detection, and performance

    Creator:
    Zhao, Shiwei
    Abstract:
    Ultra-wideband (UWB) communication has emerged as a very promising technology for short-range wireless applications, including high-speed multimedia transmissions and sensor networks. UWB system designs involve many different aspects covering analog and digital processing, channel estimation and modeling, and modulation and demodulation. Although UWB still faces many challenges, significant progress has...
    Resource Type:
    Dissertation
    Full Text:
    committee, Prof. David McIntyre, Prof. Larry Marple, Prof. Mario E. Magaña, and Prof. Luca Lucchese. I