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      • Department of Electrical and Electronics Engineering
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      Performance analysis of code-multiplexed transmitted-reference ultra-wideband systems

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      Author
      Tutay, Mehmet Emin
      Gezici, Sinan
      Poor H.V.
      Date
      2011
      Source Title
      2011 IEEE International Conference on Ultra-Wideband (ICUWB)
      Publisher
      IEEE
      Pages
      111 - 115
      Language
      English
      Type
      Conference Paper
      Item Usage Stats
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      Abstract
      In code-multiplexed transmitted-reference (CM-TR) ultra-wideband (UWB) systems, data signals and reference signals are transmitted using two distinct orthogonal codes. In this way, performance improvements and/or implementation advantages are obtained compared to transmitted-reference (TR) and frequency-shifted reference (FSR) ultra-wideband (UWB) systems. In this study, performance of CM-TR systems is investigated, and probability of error expressions are obtained. For the single user case, a closed-form expression for the exact probability of error is derived, whereas a Gaussian approximation, the accuracy of which depends on the number of frames per symbol, is considered for the multiuser case. Also, the maximum likelihood detector is derived, and numerical examples are presented. © 2011 IEEE.
      Keywords
      Ultra-wideband
      Closed-form expression
      Data signals
      Frequency-shifted references
      Gaussian approximations
      impulse radio
      Maximum likelihood detectors
      Multi-user
      Multiple access
      Numerical example
      Orthogonal code
      Per-symbol
      Performance analysis
      Performance improvements
      Probability of errors
      Reference signals
      Single users
      Transmitted reference
      Ultrawideband systems
      Codes (symbols)
      Maximum likelihood
      Multiple access interference
      Multiplexing
      Ultra-wideband (UWB)
      Broadband networks
      Permalink
      http://hdl.handle.net/11693/28258
      Published Version (Please cite this version)
      http://dx.doi.org/10.1109/ICUWB.2011.6058806
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      • Department of Electrical and Electronics Engineering 3525
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