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      • Department of Electrical and Electronics Engineering
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      Adaptation of two types of processing gains for UWB impulse radio wireless sensor networks

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      Author(s)
      Güvenç, I.
      Arslan, H.
      Gezici, Sinan
      Kobayashi, H.
      Date
      2007
      Source Title
      IET Communications
      Print ISSN
      1751-8628
      Electronic ISSN
      1751-8636
      Publisher
      The Institution of Engineering and Technology
      Volume
      1
      Issue
      6
      Pages
      1280 - 1288
      Language
      English
      Type
      Article
      Item Usage Stats
      190
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      198
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      Abstract
      Ultrawideband impulse radio systems offer two kinds of processing gains that can be adapted based on the interference level in the system so that quality of service requirements are fulfilled. An adaptive assignment scheme for two types of multiple-access parameters in cluster-based wireless sensor networks is investigated. A mathematical framework is developed for asynchronous communications using a Gaussian approximation method to model the multiple-access interference in two cases: one with fixed frame duration, where the goal is to increase the average throughput, and the other with fixed symbol duration, where the goal is to increase the network lifetime. Extension of the analysis to multipath channels is carried out, and the validity of the Gaussian approximation is investigated using the Kullback-Leibler distance.
      Permalink
      http://hdl.handle.net/11693/23319
      Published Version (Please cite this version)
      http://dx.doi.org/10.1049/iet-com:20045255
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      • Department of Electrical and Electronics Engineering 4011
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