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  • Highly Linear Noise-Shaped Pipelined ADC Utilizing a Relaxed Accuracy Front-End

    Creator:
    Rajaee, Omid and Moon, Un-Ku
    Abstract:
    A noise-shaped pipelined ADC is presented in this paper. A minimal complexity ΔΣ modulator in the first two sub-ADCs and residue feedback in the latter stages lead to high-order noise shaping. This also leads to reduced sensitivity to analog imperfections in the front-end stage. Implemented in 0.18μ m CMOS, the...
    Resource Type:
    Article
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    approximately 6 percent. This mismatch constraint can be easily satisfied via a capacitor network to implement

  • Ring Amplifiers for Switched Capacitor Circuits

    Creator:
    Hershberg, Benjamin, Weaver, Skyler, Sobue, Kazuki, Takeuchi, Seiji, Hamashita, Koichi, and Moon, Un-Ku
    Abstract:
    In this paper the fundamental concept of ring amplification is introduced and explored. Ring amplifiers enable efficient amplification in scaled environments, and possess the benefits of efficient slew-based charging, rapid stabilization, compression-immunity (inherent rail-to-rail output swing), and performance that scales with process technology. A basic operational theory is established, and...
    Resource Type:
    Article
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    ringamp and basic switched-capacitor feedback network that we will primarily consider in the first half of

  • Network coding for multi-user wireless networks

    Creator:
    Nguyen, Dong Van
    Abstract:
    Until a few years ago, wireless-capable laptops were considered novelties by many. It is now hard to find a laptop or a hand-held computing device that is not wireless-ready. As wireless devices are becoming commodities, they have also become an indispensable part of the modern society. Not surprisingly, research in...
    Resource Type:
    Dissertation
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    from the link layer to the next network node. The famous IEEE 802.11 wireless technologies consist of

  • An implementation of a reliable broadcast scheme for 802.11 using network coding

    Creator:
    Edgecombe, Richard
    Abstract:
    Forward Error Correction and retransmission are two approaches used to reliably broadcast data in a network with poor quality of service. Taking some assumptions, it has been suggested that a retransmission based reliable broadcasting scheme using network coding should in theory provide an increase in bandwidth efficiency by combining packets...
    Resource Type:
    Masters Thesis
    Full Text:
    802.11 using Network Coding. Abstract approved

  • Application of WiMAX to aviation communications

    Creator:
    Kim, Sang Jun
    Abstract:
    The US military is evaluating the capabilities of emerging technologies based on IEEE 802.16 standard as a potential commercial off-the-shelf solution to support the communication requirements of the future war. In the last few years, development in military and telecommunication industries have focused on an intensive use of broadband systems,...
    Resource Type:
    Masters Thesis
    Full Text:
    ................................................ 16 2.6 Application of IEEE 802.16 based network

  • Multi-attribute Partitioning of Power Networks Based on Electrical Distance

    Creator:
    Cotilla-Sanchez, Eduardo, Hines, Paul D. H., Barrows, Clayton, Blumsack, Seth, and Patel, Mahendra
    Abstract:
    Identifying coherent sub-graphs in networks is important in many applications. In power systems, large systems are divided into areas and zones to aid in planning and control applications. But not every partitioning is equally good for all applications; different applications have different goals, or attributes, against which solutions should be...
    Resource Type:
    Article
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    IEEE 118 bus and a 2383 bus case indicates that when a network is well partitioned into zones, intra

  • Uplink Performance Characterization and Analysis of Two-Tier Femtocell Networks

    Creator:
    Chakchouk, Nessrine and Hamdaoui, Bechir
    Abstract:
    This paper provides a cross-layer analysis of uplink performance in femtocell networks. It characterizes the uplink physical interference in femtocell networks and studies its impact on the delay and data loss rate of constant-bit-rate (CBR) traffic, as well as on the maximum achievable femto-user throughput. Our work derives data-link layer...
    Resource Type:
    Article
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    thanks to an enhanced version of IEEE 1588 [19]. 5 Fig. 1. Graphical Network Pattern Model

  • Swarm Verification Techniques

    Creator:
    Holzmann, Gerard J., Joshi, Rajeev, and Groce, Alex
    Abstract:
    The range of verification problems that can be solved with logic model checking tools has increased significantly in the last few decades. This increase in capability is based on algorithmic advances and new theoretical insights, but it has also benefitted from the steady increase in processing speeds and main memory...
    Resource Type:
    Article
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    64 MB, V is 64 bytes, and S is 104 states IEEE TRANSACTIONS ON SOFTWARE ENGINEERING, VOL. 37, NO. 6

  • Conway's Law Revisited: The Evidence For a Task-based Perspective

    Creator:
    Kwan, Irwin, Cataldo, Marcelo, and Damian, Daniela
    Abstract:
    A long-standing approach to deal with complex product development is to divide the system into smaller parts and assign responsibility for developing those parts to particular teams. Conventional wisdom suggests that by doing so, we reduce the communication overhead in the development project by making the separate development teams as...
    Resource Type:
    Article
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    (preprint version).docx This article is a preprint of the article appearing in IEEE Software Vol. 29

  • Dynamic Methods to Improve Streaming of H.264 HD Video Over 802.11 Wireless Networks

    Creator:
    Sinky, Mohammed H.
    Abstract:
    Wireless High Definition Video Transmission (WHDVT) over 802.11-based networks enjoys widespread deployment among today's multimedia solutions. Examples include Intel® Wireless Display and Apple Airplay®, to name a few. In these systems, peer-to-peer networks are established over which H.264-encoded video is transported wirelessly to be decoded and played back at the...
    Resource Type:
    Dissertation
    Full Text:
    network. Due to the lossy nature of wireless media, the IEEE 802.11 Medium Access Control (MAC) layer