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Multipath-Enabled Super-Resolution for rf and Microwave Communication using Phase-Conjugate Arrays

Benjamin E. Henty and Daniel D. Stancil. Multipath-Enabled Super-Resolution for rf and Microwave Communication using Phase-Conjugate Arrays. Physical Review Letters, 93(24):243904, December 2004.

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Abstract

We demonstrate experimentally that phase-conjugate techniques can be used to achieve super-resolution focusing of electromagnetic waves in a multipath indoor environment at 2.45 GHz. The focusing phenomena was used to direct independent signals to two locations separated by approximately one-half wavelength, thereby creating two simultaneous channels at the same frequency. An increase in channel capacity is shown to be achievable by an experimental transmission of a 1 Mbps signal over two channels created using a four element phase-conjugate array.

@ARTICLE{henty_prl_2004,
  author = {Benjamin E. Henty and Daniel D. Stancil},
  title = {Multipath-Enabled Super-Resolution for rf and Microwave Communication
	using Phase-Conjugate Arrays},
  journal = {Physical Review Letters},
  year = {2004},
  volume = {93},
  pages = {243904},
  number = {24},
  month = dec,
  abstract = {We demonstrate experimentally that phase-conjugate techniques can
	be used to achieve super-resolution focusing of electromagnetic waves
	in a multipath indoor environment at 2.45 GHz. The focusing phenomena
	was used to direct independent signals to two locations separated
	by approximately one-half wavelength, thereby creating two simultaneous
	channels at the same frequency. An increase in channel capacity is
	shown to be achievable by an experimental transmission of a 1 Mbps
	signal over two channels created using a four element phase-conjugate
	array.},
  adsnote = {Provided by the Smithsonian/NASA Astrophysics Data System},
  adsurl = {http://adsabs.harvard.edu/cgi-bin/nph-bib_query?bibcode=2004PhRvL..93x3904H&db_key=PHY},
  doi = {10.1103/PhysRevLett.93.243904},
  pdf = {henty_prl_2004.pdf},
}

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