Now showing items 26-45 of 231

  • 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 ...
  • Compact antennas for mimo communications 

    Jayasooriya, Chandana K.K. (Wichita State University, 2013-08)
    The newest cellular communication standard, 4G-LTE (Long Term Evolution) provides an all internet protocol (IP)-based solutions to the high data rate required of mobile communication applications. It offers 100 Mbit/s and ...
  • Compact multi-user wideband MIMO system using multiple-mode antennas 

    Mukherjee, Amitav (2007-05)
    A complete multiple-input multiple-output (MIMO) communication system with orthogonal frequency-division multiplexing (OFDM) based on multiple excitation modes for a single circular micro strip antenna is introduced. ...
  • Comparison study for multi-user MIMO channel estimation techniques 

    Khasawneh, Mohammad Naser Fawwaz (Wichita State University, 2009-08)
    Channel estimation problem is a crucial state of the art research topic that has been addressed in the literature for the past decade. The importance of such research area emerged from the fact that telecommunication ...
  • Comprehension of amplify-and-forward relay networks 

    Lee, Kanghee (Wichita State University, 2014-05)
    This dissertation comprehensively studies diverse cooperative and noncooperative amplify-and-forward (AF) multiple-input multiple-output (MIMO) wireless relay networks. Various gain matrices and vectors, such as relay ...
  • Connection probability in reference point group mobility model 

    Kaur, Ramneet (2006-12)
    In ad hoc wireless mobile networks, the mobility of wireless nodes plays a significant role in evaluating the network’s performance. As the nodes are mobile there is a frequent transition between the connections of nodes ...
  • Context-aware access control: An alternate privacy protection mechanism for online social networks 

    Maiti, Anindya (Wichita State University, 2014-07)
    The increasing popularity of online social networks (OSNs) is spawning new security and privacy concerns. Currently, a majority of OSNs offer very naive access control mechanisms that are primarily based on static access ...
  • Control of cable networks 

    Gao, Haihong (Wichita State University, 2012-12)
    A major issue for contemporary cable networks under flat pricing is that heavy users can cause severe network congestion and light users subsidize heavy users. This problem is exaggerated when network participants do not ...
  • Controller design of decentralized singularly perturbed systems 

    Danthuluri, Satya Vineela (Wichita State University, 2010-12)
    In this thesis, the performance of a decentralized system was analyzed based upon the design of the controller, either a reduced-order model or a full-order model. The singular perturbation technique was used to obtain the ...
  • Coverage extension using power-controlled relaying in CDMA 

    Vepuri, Mahendra Karthik (Wichita State University, 2011-12)
    In this thesis, the advantages of a power-control-based relay system for a code division multiple access (CDMA) network are explored. Relay nodes are placed in the form of a ring (not necessarily circular) based on system ...
  • Credit scheduling and prefetching in hypervisors using Hidden Markov Models 

    Suryanarayana, Vidya Rao (Wichita State University, 2010-12)
    The advances in storage technologies like storage area networking, virtualization of servers and storage have revolutionized the storage of the explosive data of modern times. With such technologies, resource consolidation ...
  • Cross-layer analysis of route discovery process in saturated ad hoc network 

    Shah, Hardik Dinendra (Wichita State University, 2011-05)
    This thesis presents a detailed analysis of the route discovery process in saturated ad hoc networks. The causes and consequences of this process are described in terms of medium access control (MAC) delays and routing ...
  • Crucial edge detection in sensor system under energy constraints 

    Madhvesh, Ashok (Wichita State University, 2009-12)
    Wireless sensor nodes are usually deployed in remote locations for various applications that require monitoring of certain interesting events. Due to this remote operational feature the longevity of the sensor node's ...
  • CUDA accelerated large scale vehicular area network simulator 

    Yip, Chok Meng (Wichita State University, 2014-07)
    Both size and computational activities of Vehicular Area Network (VANET) are growing. Simulation of VANETs not only requires the simulation of network standards, but also the mobility of nodes. Such dynamic system involves ...
  • Data caching in ad hoc networks using game-theoretic analysis 

    Dang, Hoang (Wichita State University, 2011-05)
    There have been researches that studied selfish data caching in ad hoc networks using game-theoretic analysis. However, due to the caching problem’s theoretical root in classic facility location problem and k-median problem, ...
  • Data preservation in intermittently connected sensor network with data priority 

    Xue, Xinyu (Wichita State University, 2013-05)
    In intermittently connected sensor networks, the data generated may have different importance and priority. Different types of data will help scientists analyze the physical environment differently. In a challenging ...
  • Data redistribution problem in data intensive sensor networks 

    Kurkal, Rohini (Wichita State University, 2009-12)
    Data redistribution problem has become a key challenge in the data intensive sensor networks (DISNs), wherein large volume of sensory data are sensed and generated from some sensor nodes about their surrounding physical ...
  • Data replication in data intensive scientific applications with performance guarantee 

    Nukarapu, Dharma Teja (Wichita State University, 2009-12)
    Data replication is well adopted in data intensive scientific applications to reduce the data file transfer time and the bandwidth consumption. However, the problem of data replication in Data Grids, an enabling technology ...
  • Demand response potential in aggregated houses using GridLAB-D 

    Hanumantha Vajjala, Vivek Abhilash (Wichita State University, Dec-14)
    Electrical power consumption or demand varies very significantly from region to region. There are various factors which affect the demand for a particular location; higher the electrical demand higher is the wholesale ...