Optimum Signal Shaping in OFDM-Based Optical Wireless Communication Systems

  title={Optimum Signal Shaping in OFDM-Based Optical Wireless Communication Systems},
  author={Svilen Dimitrov and Harald Haas},
  journal={2012 IEEE Vehicular Technology Conference (VTC Fall)},
In this paper, a framework for optimum signal shaping in multi-carrier modulation is presented for optical wireless communications (OWC). The two fundamental multi-carrier transmission schemes based on orthogonal frequency division multiplexing (OFDM), direct-current-biased optical OFDM (DCO-OFDM) and asymmetrically clipped optical OFDM (ACO-OFDM), are studied. The optimum signal shaping is defined as optimum biasing and optimum scaling of the time domain signal within the optical power… CONTINUE READING
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