Multiple-Subcarrier Modulation for Nondirected Wireless Infrared Communication

  title={Multiple-Subcarrier Modulation for Nondirected Wireless Infrared Communication},
  author={Jeffrey B. Carruthers and Joseph M. Kahn},
  journal={IEEE Journal on Selected Areas in Communications},
We examine multiple-subcarrier modulation (MSM) schemes for wireless infrared digital communication in the indoor environment. Intensity modulation with direct detection (IM/DD) is employed, which results in equivalent baseband channels with a nonnegativity constraint on the input. The power efficiencies of modulation schemes are compared at 30 Mb/s and 100 Mb/s over an ensemble of experimentally determined multipath channels. Carrier selection and power shaping are examined as methods for… CONTINUE READING
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M'90) received the A.B., M.A., and Ph.D. degrees from the University California at Berkeley, all in physics, in 1981

  • Joseph M. Kahn
  • 1983

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