[2] Mahdiraji D M, Zahedi Z. Comparison of selected digital modulation schemes (OOK, PPM and DPIM) for wireless optical communications [C]. th Student Conference on Research and Development (SCOReD 2006), 2006, 5-10.
[4] Wang H X, Sun X M, Sun X Y, et al. Performance of current digital pulse modulation schemes for optical wireless communications [C]. The IET International Conference on Wireless Mobile Multimedia Networks Proceedings, 2006, 656-659.
[6] Aldibbia N M, Ghassemlooy Z. Dual header pulse interval modulation for dispersive indoor optical wireless communication systems [J]. IEEE Proc. Circuit Devices Systems, 2002: 149 (3): 187-192.