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  • Throughput optimization for single-hop wireless networks using network coding

    Creator:
    Tran, Tuan Tho
    Abstract:
    Recent advances in wireless technologies have helped the proliferation of wireless devices, ranging from hand-held devices such as cellular phones to more powerful mobile computing platforms as such laptops [1]. Along with that, the end users’ applications running on these devices, ranging from text message to multimedia applications such as...
    Resource Type:
    Dissertation
    Full Text:
    the number of receivers for (a) Broad- cast and (b) Unicast

  • Adaptive load balancing metric for WLANs

    Creator:
    Ryou, Jong bum
    Abstract:
    As the number of mobile devices accessing large-scale WLANs such as campus and metropolitan area networks increases, the need for load balancing among the cells becomes crucial. In addition, the network must also support some minimum handoff tolerance defined by an application. A number of load balancing techniques have been...
    Resource Type:
    Dissertation
    Full Text:
    : Adaptive Load Balancing Metric for WLANs Abstract approved: Ben Lee As the number of mobile devices

  • Noise optimization for low-voltage CMOS audio preamplifier systems

    Creator:
    Brown, Matthew Eugene
    Abstract:
    There is a large and growing market for portable consumer audio products with very small size. As the size of these products is reduced, the area occupied by batteries becomes significant and hence limits the number of batteries to one. In order to build such small products, high levels of...
    Resource Type:
    Masters Thesis
    Full Text:
    the number of batteries to one. In order to build such small products, high levels of integration are

  • One-to-many node disjoint paths routing in generalized hypercube, dense Gaussian, and hexagonal mesh networks

    Creator:
    Alsaleh, Omar I.
    Abstract:
    Routing from a single source node to multiple destination nodes using node disjoint paths (NDP) has many important applications in parallel systems. For example, if a source node wants to send distinct messages to distinct destination nodes, then the one-to-many NDP routing is useful. Unlike parallel systems with shared-memory, each...
    Resource Type:
    Dissertation
    Full Text:
    number of nodes increases. Therefore, it is critical to find a set of mutually node disjoint paths in

  • A channelized digital receiver design for UWB sytems in a multipath indoor environment

    Creator:
    Chang, Yuhao
    Abstract:
    This thesis presents a channelized digital receiver design for UWB sytems in a multipath indoor environment. The UWB technology has been used for commercial and military purposes due to a number of advantages such as low-power consumption, noise-like and carrier free. The energy of UWB signal is spread over a...
    Resource Type:
    Masters Thesis
    Full Text:
    been used for commercial and military purposes due to a number of advantages such as low-power

  • Single-level dynamic register caching architecture for high-performance superscalar processors

    Creator:
    Liebert, John A.
    Abstract:
    The amount of instruction level parallelism (ILP) that can be exploited depends greatly on the size of the instruction window and the number of in-flight instructions the processor can support. However, this requires a register file with a large set of physical registers for renaming and multiple ports to provide...
    Resource Type:
    Masters Thesis
    Full Text:
    registers are needed for each thread [28, 13, 7, 36]. However, as the number of registers and ports

  • Comparison and impact of substrate noise due to clocked and clockless circuitry

    Creator:
    Le, Jim K.
    Abstract:
    Delay insensitive asynchronous circuitry provides significant advantages with respect to substrate noise due to localized switching. The differences between the substrate noise from NULL Convention Logic (NCL) and traditional Clocked Boolean Logic (CBL) are described and analyzed based on measured results. A test chip fabricated in the TSMC 0.25 um...
    Resource Type:
    Masters Thesis
    Full Text:
    results. A test chip fabricated in the TSMC 0.25 µm process shows that a pseudo-random number generator

  • Modified VLSI designs for error correction codes

    Creator:
    Chen, Lupin
    Abstract:
    Nowadays, error correction codes have become an integral part in almost all the modern digital communication and storage systems. With the continuously increasing demands for higher speed and lower power communication systems, efficient VLSI implementations of those error correction codes have great importance for practical applications. In this thesis, several...
    Resource Type:
    Masters Thesis
    Full Text:
    stopping scheme to reduce the number of decoding iterations for LDPC codes decoding

  • Low-complexity high-speed VLSI design of low-density parity-check decoders

    Creator:
    Cui, Zhiqiang
    Abstract:
    Low-Density Parity-check (LDPC) codes have attracted considerable attention due to their capacity approaching performance over AWGN channel and highly parallelizable decoding schemes. They have been considered in a variety of industry standards for the next generation communication systems. In general, LDPC codes achieve outstanding performance with large codeword lengths (e.g.,...
    Resource Type:
    Dissertation
    Full Text:
    . The decoding latency and power consumption are linearly proportional to the number of decoding

  • Immune radio architecture for platform interference

    Creator:
    Alban, Eduardo
    Abstract:
    The decrease of switching times accompanied by the corresponding increase of clock speeds and data rates, contributes to improve the overall system computational performance. At the same time, they also affect wireless communications due to an increment in the emissions of electromagnetic radiation on the radio bands. In this dissertation...
    Resource Type:
    Dissertation
    Full Text:
    method for estimating the parameters of the K-distribution when a limited number of samples are