Now showing items 1-20 of 183

  • Accounting of energy consumption from Wi-Fi interface in portable devices 

    Jadhav, Shraddha (Wichita State University, 2010-12)
    Various reports about greenhouse emissions over the past decade have raised the global consciousness regarding worldwide energy consumption in various arenas. The time has come to adopt energy-efficient methods in all ...
  • Achievable rate for Amplify-and-Forward relay system at low SNR 

    Bi, Yu (Wichita State University, 2011-05)
    In this thesis, the achievable rate at low SNR is established for Amplify-and-Forward (AF) cooperative system with a source node, a destination node and a relay node. To characterize the effect of relay locations, an ...
  • Adaptive algorithms for sensor activation in renewable energy-based sensor systems 

    Mereddy, Sandeep Reddy (Wichita State University, 2009-12)
    Future sensor networks would comprise of sensing devices with energy harvesting capabilities from renewable energy sources such as solar power. A key research question in such sensor systems is to maximize the asymptotic ...
  • Adaptive rate control algorithm to improve the performance of H.264 video codec in varying network conditions 

    Shingvi, Swapnil (2006-12)
    This thesis involves proposing an efficient algorithm, which takes into consideration the NALU (Network abstraction Layer Unit) and tries to improve the H.264 codec performance over a network. Along with the bandwidth ...
  • AF MIMO beamforming relay networks under power constraints 

    Lee, Sangku (Wichita State University, 2013-07)
    This thesis studies amplify-and-forward (AF) multiple-input multiple-output (MIMO) beamforming relay networks based on the minimum mean square error (MMSE) criterion under various transmit power restraints (TPRs). The ...
  • The analysis of burst packet losses in saturated ad hoc networks using semi-Markov process 

    Sharma, Samir (Wichita State University, 2011-12)
    Medium contention in saturated ad hoc networks increase collisions and retransmissions. As the number of transmissions for a frame exceeds the maximum retransmission count in the IEEE 802.11 networks, the medium access ...
  • Analysis of path duration in mobile ad-hoc networks 

    Srinivasan, Manivannan (Wichita State University, 2008-05)
    Estimation of path duration in MANET's is useful and it can be used in various ways to improve the performance of communication in MANET's. One such application is the assignment of optimum route cache TTL for "on demand" ...
  • Analysis of three publically available Inter-AS MPLS L3 VPN implementations 

    Abushaala, Abdulhakim Abubaker (Wichita State University, 2012-05)
    In this thesis, an analytical discussion of the three publicly available Inter-autonomous system Multiprotocol Label Switching Layer-3 Virtual Private Network (Inter-AS MPLS L3 VPN) implementations, namely, Back-to-Back ...
  • Application of stochastic control and robust stability of singularly perturbed unified systems 

    Kim, Dongwook (2006-05)
    The unified approach and singular perturbation theories are two of the most highly recognized and rapidly developed areas in the control field recently. In this thesis, a stochastic optimal controller design using state ...
  • Approximate controller design for singularly perturbed aircraft 

    Graziosi, Joseph E. (Wichita State University, 2014-05)
    The purpose of this thesis was to extend the quasi-steady-state approximation and matrix block diagonalization methods utilized in the work of Shim and Sawan [1]. These authors showed that an approximate controller solution ...
  • Assessment of a wholesale electric grid state indicator 

    Aburub, Haneen (Wichita State University, 2013-12)
    This thesis assesses the use of the California Independent System Operator (CAISO) wholesale grid state indicator to enable price-responsive demand. This assessment is based on system and economic analyses for using the ...
  • Asymptotic fusion performance in a power constrained, distributed wireless sensor network 

    Al-Tarazi, Kossai Abdalah (2006-05)
    The performance of decentralized detection in power constrained wireless sensor network is analyzed. We consider two distributed processing schemes; the analog relay amplifier local processing and the quantized decision ...
  • Automated developer recommendations for incoming software change requests 

    Hossen, Md Kamal (Wichita State University, 2014-05)
    Software change requests, such as bug fixes and new features, are an integral part of software evolution and maintenance. It is not uncommon in open source projects to receive numerous change requests daily, which need to ...
  • Automatic cycle identification in tidal breathing signals 

    Wang, Zuojun (Wichita State University, 2010-12)
    In this paper, we introduce a novel cycle identification algorithm using Matlab programming to automatically identify cycles in tidal breathing signals. The algorithm is designed in four steps using filtering, derivation, ...
  • Best effort query answering for mediators with union views 

    Papri, Rowshon Jahan (Wichita State University, 2011-07)
    Consider an SQL query that involves joins of several relations, optionally followed by selections and/or projections. It can be represented by a conjunctive datalog query Q without negation or arithmetic subgoals. We ...
  • Blind detection for two-hop relay network without direct link 

    Hodges, Shane Michael (Wichita State University, 2010-12)
    In practice, channel coefficient information may not be available. Hence, a blind detection may be necessary. In addition, the direct link from a source to a destination may not be available. Therefore, information may ...
  • Blind detection with unique identification in two-way relay channels 

    Li, Lun (Wichita State University, 2011-12)
    This thesis considers a two-way relay system whereby two nodes exchange information via a relay node. Amplify-and-forward (AF) is applied as a relaying strategy.The channel information is not available at both receivers. ...
  • Blind relay network with viterbi detection 

    Feng, Shuang (Wichita State University, 2010-12)
    This thesis compared the performance of a blind relay communication system with that of a non-blind relay communication system. For a blind system, a differential space-time block code (DSTBC) or a blind Viterbi detection ...
  • Capacity of a modulo-sum simple relay network 

    Sagar, Youvaraj T. (Wichita State University, 2009-12)
    This thesis proposes the capacity of a modulo-sum simple relay network. In previous work related to relay channels, capacity was characterized in the case where noise was transmitted to the relay, and the closed-form ...
  • Cluster-based energy-efficient MAC protocol for wireless sensor networks 

    Marrapu, Nikhil (Wichita State University, 2010-12)
    TheWireless Sensor Networks (WSNs) employs thousands of small sensors that communicate between themselves in a distributed manner using Medium Access Control (MAC) protocols. The energy required for wireless sensors is ...