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Bandwidth limitations of phase-conjugate arrays used for multipath focusing

Benjamin E. Henty and Daniel D. Stancil. Bandwidth limitations of phase-conjugate arrays used for multipath focusing. In IEEE Antennas and Propagation Society Symposium, pp. 2792–2795, Piscataway, NJ, June 2004.

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Abstract

This work explores the bandwidth limitations of phase-conjugate arrays used as a multiple access technique in an indoor, multipath rich environment. A single, phase-conjugating array with two sets of complex coefficients was used to create separate communications channels to receivers located approximately one half wavelength apart and operating at the same frequency. Results are presented showing the variation in the multipath enhanced spatial focusing across the bandwidth of the signals. Our results indicate that with a four-element transmit array, the isolation between the two channels was measured to be about 10 dB over a bandwidth of 15 MHz.

@CONFERENCE{henty_aps_2004,
  author = {Benjamin E. Henty and Daniel D. Stancil},
  title = {Bandwidth limitations of phase-conjugate arrays used for multipath
	focusing},
  booktitle = {IEEE Antennas and Propagation Society Symposium},
  year = {2004},
  volume = {3},
  pages = {2792-2795},
  address = {Piscataway, NJ},
  month = jun,
  organization = {IEEE},
  abstract = {This work explores the bandwidth limitations of phase-conjugate arrays
	used as a multiple access technique in an indoor, multipath rich
	environment. A single, phase-conjugating array with two sets of complex
	coefficients was used to create separate communications channels
	to receivers located approximately one half wavelength apart and
	operating at the same frequency. Results are presented showing the
	variation in the multipath enhanced spatial focusing across the bandwidth
	of the signals. Our results indicate that with a four-element transmit
	array, the isolation between the two channels was measured to be
	about 10 dB over a bandwidth of 15 MHz.},
  doi = {10.1109/APS.2004.1331955},
  owner = {henty},
  pdf = {phaseconjugate.pdf},
  timestamp = {2006.04.17},
  url = {http://ieeexplore.ieee.org/search/srchabstract.jsp?arnumber=1331955&isnumber=29378&punumber=9253&k2dockey=1331955@ieeecnfs&query=%28henty+b.%3Cin%3Eau%29&pos=8},
}

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