6 search results - page 1 / 2 » Power reduction techniques for multiple-subcarrier modulated... |
TCOM
2008
13 years 4 months ago
2008
In this paper, two novel techniques are proposed to reduce the average optical power in wireless optical multiplesubcarrier modulated (MSM) systems, namely in-band trellis coding a...
ICC
2000
IEEE
13 years 9 months ago
2000
IEEE
Abstract—We describe two classes of simple, effective techniques for reducing the average optical power requirement in intensity-modulated optical systems using multiple BPSK or ...
JCM
2007
13 years 4 months ago
2007
—Modulation techniques have attracted increasing attention in optical wireless communications. Basic schemes such as on off keying (OOK), pulse amplitude modulation (PAM) and pul...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
— In this paper, power efficient signaling over indoor diffuse wireless optical channels is considered. Present-day laser diodes have pulse rates many times higher than the band...
ICC
2007
IEEE
13 years 11 months ago
2007
IEEE
In this paper we investigate the channel capacity of intensity modulated direct detection (IM/DD) wireless optical communication systems for an AWGN channel with a limit on the ave...