Now showing items 51-70 of 198

    • Distributed Fault-Tolerance for Event Detection Using Heterogeneous Wireless Sensor Networks 

      Ould-Ahmed-Vall, ElMoustapha; Riley, George F.; Heck, Bonnie S. (Georgia Institute of Technology, 2006)
      Distributed event detection using wireless sensor networks has received growing interest in recent years. In such applications, a large number of inexpensive and unreliable sensor nodes are distributed in a geographical ...
    • Distributed Global Identification for Sensor Networks 

      Ould-Ahmed-Vall, ElMoustapha; Blough, Douglas M.; Heck, Bonnie S.; Riley, George F. (Georgia Institute of Technology, 2005)
      A sensor network consists of a set of battery-powered nodes, which collaborate to perform sensing tasks in a given environment. It may contain one or more base stations to collect sensed data and possibly relay it to a ...
    • Distributed MIMO Interference Cancellation for Interfering Wireless Networks: Protocol and Initial Simulation 

      Cortes-Pena, Luis Miguel; Blough, Douglas M. (Georgia Institute of Technology, 2013-02)
      In this report, the problem of interference in dense wireless network deployments is addressed. Two example scenarios are: 1) overlapping basic service sets (OBSSes) in wireless LAN deployments, and 2) interference among ...
    • Dominant Variance Characterization 

      Kumar, Tushar; Pande, Santosh (Georgia Institute of Technology, 2010)
      There are a whole range of program analysis techniques that characterize different aspects of an application’s performance: hot-spots, distinct phases of behavior, code segments that could potentially run in parallel, ...
    • Dynamic Differential Data Protection for High Performance and Pervasive Applications 

      Widener, Patrick M. (Patrick McCall); Schwan, Karsten (Georgia Institute of Technology, 2004)
      Modern distributed applications are long-lived, are expected to provide flexible and adaptive data services, and must meet the functionality and scalability challenges posed by dynamically changing user communities in ...
    • Dynamic Management of Cooperating Peers in Wireless Embedded Systems: An Approach Driven by Information Quality 

      Robinson, David Alexander; Schwan, Karsten (Georgia Institute of Technology, 2003)
      Data-intensive applications like remote sensing or peer-to-peer communications are increasingly prevalent on wireless-connected, pervasive systems platforms. Since resource limitations make it infeasible to deliver all ...
    • A Dynamic, Partitioned Global Address Space Model for High Performance Clusters 

      Yalamanchili, Sudhakar; Young, Jeff; Duato, José; Silla, Federico (Georgia Institute of Technology, 2008)
      Memory-to-memory latency is a critical performance determinant of scalable computing systems. The use of modern interconnect fabrics tightly coupled to the processor-memory hierarchy such as AMD’s HyperTransportTM (HT) ...
    • Dynodroid: An Input Generation System for Android Apps 

      MacHiry, Aravind; Tahiliani, Rohan; Naik, Mayur (Georgia Institute of Technology, 2012)
      We present a system Dynodroid for generating relevant inputs to unmodified Android apps. Dynodroid views an app as an event-driven program that interacts with its environment by means of a sequence of events through the ...
    • e-SAFE: An Extensible Secure and Fault Tolerant Storage System 

      Paul, Arnab; Agarwala, Sandip; Ramachandran, Umakishore (Georgia Institute of Technology, 2005)
      With the rapidly falling price of hardware, and increasingly available bandwidth, storage technology is seeing a paradigm shift from centralized and managed mode to distributed and unmanaged configurations. The key issues ...
    • E2EProf: Automated End-to-End Performance Management for Enterprise Systems 

      Agarwala, Sandip; Alegre, Fernando; Schwan, Karsten; Mehalingham, Jegannathan (Georgia Institute of Technology, 2007)
      Distributed systems are becoming increasingly complex, caused by the prevalent use of web services, multi-tier architectures, and grid computing, where dynamic sets of components interact with each other across distributed ...
    • Efficient and Secure Search of Enterprise File Systems 

      Singh, Aameek; Srivatsa, Mudhakar; Liu, Ling (Georgia Institute of Technology, 2007)
      With fast paced growth of enterprise data, quickly locating relevant content has become a critical IT capability. Research has shown that nearly 85% of enterprise data lies in flat filesystems [12] that allow multiple ...
    • Efficient End to End Data Exchange Using Configurable Compression 

      Wiseman, Yair; Schwan, Karsten; Widener, Patrick M. (Patrick McCall) (Georgia Institute of Technology, 2003)
      We explore the use of compression methods to improve the middleware-based exchange of information in interactive or collaborative distributed applications. In such applications, good compression factors must be accompanied ...
    • Efficient Relational Algebra Algorithms and Data Structures for GPU 

      Diamos, Gregory Frederick; Wu, Haicheng; Lele, Ashwin; Wang, Jin (Georgia Institute of Technology, 2012-02-01)
      Relational databases remain an important application domain for organizing and analyzing the massive volume of data generated as sensor technology, retail and inventory transactions, social media, computer vision, and ...
    • End-to-end Estimation of the Available Bandwidth Variation Range 

      Jain, Manish; Dovrolis, Constantinos (Georgia Institute of Technology, 2005)
      The available bandwidth (avail-bw) of a network path is an important performance metric and its end-to-end estimation has recently received significant attention. Previous work focused on the estimation of the average ...
    • A Energy Efficient Approach to Processing Spatial Alarms on Mobile Clients 

      Murugappan, Anand; Liu, Ling (Georgia Institute of Technology, 2008)
      Many on a daily basis use time based alarms. Spatial alarms extend the very same idea to location-based triggers, which are fired whenever a mobile user enters the spatial region of the location alarms. Spatial alarms ...
    • Energy Efficient Exact kNN Search in Wireless Broadcast Environments 

      Gedik, Bugra; Singh, Aameek; Liu, Ling (Georgia Institute of Technology, 2004-05-24)
      The advances in wireless communication and decreasing costs of mobile devices have enabled users to access desired information at any time. Coupled with positioning technologies like GPS, this opens up an exciting domain ...
    • Energy Efficient Network Memory for Ubiquitous Devices 

      Fryman, Joshua Bruce; Huneycutt, Chad Marcus; Lee, Hsien-Hsin Sean; Mackenzie, Kenneth M.; Schimmel, D. E. (David E.) (Georgia Institute of Technology, 2003)
      This paper explores the energy and delay issues that occur when some or all of the local storage is moved out of the embedded device, and into a remote network server. We demonstrate using the network to access remote ...
    • Energy Introspector: Coordinated Architecture-Level Simulation of Processor Physics 

      Song, William J.; Mukhopadhyay, Saibal; Rodrigues, Arun; Yalamanchili, Sudhakar (Georgia Institute of Technology, 2013)
      Increased power and heat dissipation in microprocessors impose limitations on performance scaling. Power and thermal management techniques coupled with workload dynamics cause increasing spatiotemporal variations in ...
    • Energy-Aware Data Collection in Sensor Networks: A Localized Selective Sampling Approach 

      Gedik, Bugra; Liu, Ling (Georgia Institute of Technology, 2005)
      One of the most prominent and comprehensive ways of data collection in sensor networks is to periodically extract raw sensor readings. This way of data collection enables complex analysis of data, which may not be possible ...
    • Energy-aware Mobile Service Overlays: Cooperative Dynamic Power Management in Distributed Mobile Systems 

      Seshasayee, Balasubramanian; Nathuji, Ripal; Schwan, Karsten (Georgia Institute of Technology, 2007)
      With their increasingly powerful computational resources and high-speed wireless communications, future mobile systems will have the ability to run sophisticated applications on collections of cooperative end devices. ...