6J M Kahn, J R Barry. Wireless infrared communications [J]. Proceedings of the IEEE, 1997, 85(2): 265-298.
7Z Ghassemlooy, A R Hayes, N L Seed, et al.. Digital pulse interval modulation for optical communications [J]. IEEE Communications Magazine, 1998, 36(12): 95-99.
8N M Aldibbiat, Z Ghassemlooy, R McLaughlin. Error performance of dual header pulse interval modulation (DH-PIM) in optical wireless communications [J]. IEEE Proc Optoelectron, 2001, 148(2): 91-96.