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Title: Analysis, optimization, and implementation of a hybrid DS/FFH spread-spectrum technique for smart grid communications

Abstract

In recent years, there has been great interest in using hybrid spread-spectrum (HSS) techniques for commercial applications, particularly in the Smart Grid, in addition to their inherent uses in military communications. This is because HSS can accommodate high data rates with high link integrity, even in the presence of significant multipath effects and interfering signals. A highly useful form of this transmission technique for many types of command, control, and sensing applications is the specific code-related combination of standard direct sequence modulation with fast frequency hopping, denoted hybrid DS/FFH, wherein multiple frequency hops occur within a single data-bit time. In this paper, error-probability analyses are performed for a hybrid DS/FFH system over standard Gaussian and fading-type channels, progressively including the effects from wide- and partial-band jamming, multi-user interference, and varying degrees of Rayleigh and Rician fading. In addition, an optimization approach is formulated that minimizes the bit-error performance of a hybrid DS/FFH communication system and solves for the resulting system design parameters. The optimization objective function is non-convex and can be solved by applying the Karush-Kuhn-Tucker conditions. We also present our efforts toward exploring the design, implementation, and evaluation of a hybrid DS/FFH radio transceiver using a single FPGA. Numericalmore » and experimental results are presented under widely varying design parameters to demonstrate the adaptability of the waveform for varied harsh smart grid RF signal environments.« less

Authors:
 [1];  [2];  [1];  [1];  [1];  [3]
+ Show Author Affiliations
  1. Oak Ridge National Lab. (ORNL), Oak Ridge, TN (United States)
  2. Univ. of Tennessee, Knoxville, TN (United States)
  3. Univ. of Tennessee, Knoxville, TN (United States); Masdar Institute of Science and Technology, Masdar City (Abu Dhabi)
Publication Date:
Research Org.:
Oak Ridge National Laboratory (ORNL), Oak Ridge, TN (United States)
Sponsoring Org.:
USDOE
OSTI Identifier:
1185751
Grant/Contract Number:  
AC05-00OR22725
Resource Type:
Accepted Manuscript
Journal Name:
EURASIP Journal on Advances in Signal Processing
Additional Journal Information:
Journal Volume: 2015; Journal Issue: 1; Journal ID: ISSN 1687-6180
Publisher:
Springer
Country of Publication:
United States
Language:
English
Subject:
24 POWER TRANSMISSION AND DISTRIBUTION; hybrid spread-spectrum; direct sequence; frequency hopping; smart grid communications; non-convex optimization; field programmable gate array (FPGA); receiver sensitivity

Citation Formats

Olama, Mohammed M., Ma, Xiao, Killough, Stephen M., Kuruganti, Teja, Smith, Stephen F., and Djouadi, Seddik M. Analysis, optimization, and implementation of a hybrid DS/FFH spread-spectrum technique for smart grid communications. United States: N. p., 2015. Web. doi:10.1186/s13634-015-0208-z.
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Olama, Mohammed M., Ma, Xiao, Killough, Stephen M., Kuruganti, Teja, Smith, Stephen F., & Djouadi, Seddik M. Analysis, optimization, and implementation of a hybrid DS/FFH spread-spectrum technique for smart grid communications. United States. https://doi.org/10.1186/s13634-015-0208-z
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Olama, Mohammed M., Ma, Xiao, Killough, Stephen M., Kuruganti, Teja, Smith, Stephen F., and Djouadi, Seddik M. Thu . "Analysis, optimization, and implementation of a hybrid DS/FFH spread-spectrum technique for smart grid communications". United States. https://doi.org/10.1186/s13634-015-0208-z. https://www.osti.gov/servlets/purl/1185751.
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@article{osti_1185751,
title = {Analysis, optimization, and implementation of a hybrid DS/FFH spread-spectrum technique for smart grid communications},
author = {Olama, Mohammed M. and Ma, Xiao and Killough, Stephen M. and Kuruganti, Teja and Smith, Stephen F. and Djouadi, Seddik M.},
abstractNote = {In recent years, there has been great interest in using hybrid spread-spectrum (HSS) techniques for commercial applications, particularly in the Smart Grid, in addition to their inherent uses in military communications. This is because HSS can accommodate high data rates with high link integrity, even in the presence of significant multipath effects and interfering signals. A highly useful form of this transmission technique for many types of command, control, and sensing applications is the specific code-related combination of standard direct sequence modulation with fast frequency hopping, denoted hybrid DS/FFH, wherein multiple frequency hops occur within a single data-bit time. In this paper, error-probability analyses are performed for a hybrid DS/FFH system over standard Gaussian and fading-type channels, progressively including the effects from wide- and partial-band jamming, multi-user interference, and varying degrees of Rayleigh and Rician fading. In addition, an optimization approach is formulated that minimizes the bit-error performance of a hybrid DS/FFH communication system and solves for the resulting system design parameters. The optimization objective function is non-convex and can be solved by applying the Karush-Kuhn-Tucker conditions. We also present our efforts toward exploring the design, implementation, and evaluation of a hybrid DS/FFH radio transceiver using a single FPGA. Numerical and experimental results are presented under widely varying design parameters to demonstrate the adaptability of the waveform for varied harsh smart grid RF signal environments.},
doi = {10.1186/s13634-015-0208-z},
journal = {EURASIP Journal on Advances in Signal Processing},
number = 1,
volume = 2015,
place = {United States},
year = {Thu Mar 12 00:00:00 EDT 2015},
month = {Thu Mar 12 00:00:00 EDT 2015}
}
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Journal Article:
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Publisher's Version of Record
https://doi.org/10.1186/s13634-015-0208-z
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