Now showing items 1-7 of 7

  • Broadcast Detection Structures with Applications to Sensor Networks 

    Johnson, Don; Lexa, Michael (2006-03-01)
    Data broadcasting is potentially an effective and efficient way to share information in wireless sensor networks. Broadcasts offer energy savings over multiple, directed transmissions, and they provide a vehicle to exploit ...
  • An Information processing approach to distributed detection 

    Lexa, Michael; Johnson, Don (2003-09-20)
    We apply the recent theory of information processing to a hybrid distributed detection architecture that combines the traditional parallel and tandem architectures. Central to this theory is the Kullback-Leibler discrimination ...
  • Information processing of linear block decoders 

    Lexa, Michael; Johnson, Don (2002-10-20)
    This paper develops a systematic method of studying the benefits of soft decoding for linear block codes by applying the concepts of information processing. We show that soft decoding uniformly improves decoder performance ...
  • A new look at the informational gain of soft decisions 

    Lexa, Michael; Johnson, Don (2003-04-20)
    This paper develops a new systematic method of studying the benefits of 2-bit soft decisions by applying the concepts of information processing theory. We quantify performance in terms of the information transfer ratio and ...
  • Optimizing binary decision systems by manipulating transmission intervals 

    Lexa, Michael; Johnson, Don (2003-07-20)
    We study the optimization of a binary decision system where quantized (soft) decisions are transmitted across an additive white Gaussian noise channel. We adjust the bit transmission intervals to maximize the Chernoff ...
  • Remembering John Napier and His Logarithms 

    Lexa, Michael (2002-05-20)
    This article describes John Napier's original defintion of logarithms and presents his method of tabulation for the first logarithmic table. Napier's logarithms are found to have an intimate relationship with the natural ...
  • Useful Facts about the Kullback-Leibler Discrimination Distance 

    Lexa, Michael (2004-12-01)
    This report contains a list of some of the more prominent properties and theorems concerning the Kullback-Leibler (KL) discrimination distance. A brief discussion is also provided indicating the type of problems in which ...