New PPM-CDMA hybrid for indoor diffuse infrared channels
New PPM-CDMA hybrid for indoor diffuse infrared channels
复制标题
用于室内漫射红外通道的新型 PPM-CDMA 混合通道
DOI:
10.1049/el:19941136
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发表时间:
1994
期刊:
影响因子:
--
通讯作者:
R. Cryan
中科院分区:
文献类型:
--
作者:
J. Elmirghani;R. Cryan
An original hybrid pulse position modulation code division multiple access (PPM-CDMA) communication technique that uses optical orthogonal codes (OOCs) is proposed and studied in the context of the indoor infrared channel. At the optimum PPM order and over the range of parameters considered, the hybrid is shown to achieve more than five times the bit rate achievable using conventional on off keying (OOK) CDMA under bandwidth constraints. Original results are presented for the false alarm errors due to the OOC crosscorrelations, and the optimum system operating parameters that minimise these errors are specified.