2007 ICTON Mediterranean Winter Conference 2007
DOI: 10.1109/ictonmw.2007.4446952
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A synopsis of modulation techniques for wireless infrared communication

Abstract: A number of modulation techniques have been proposed and thoroughly analysed in literature for optical wireless communication systems. Each modulation technique has its unique attractive features as well as its challenges. Some are very simple to implement and bandwidth efficient like the On-Off keying (OOK). Pulse interval modulation (PIM) techniques are reputed for their inherent synchronisation pulse, subcarrier modulation offers increased throughput, resilience to the inter-symbol interference (ISI) and im… Show more

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Cited by 25 publications
(13 citation statements)
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“…The most fundamental modulation schemes used in optical wireless systems are on-off keying (OOK) and pulse position modulation (PPM) [25]. For the OOK scheme, the relationship between the minimum required received power, P r , and the achieved probability of error, P e , is given by [26] …”
Section: Modulation Impactmentioning
confidence: 99%
“…The most fundamental modulation schemes used in optical wireless systems are on-off keying (OOK) and pulse position modulation (PPM) [25]. For the OOK scheme, the relationship between the minimum required received power, P r , and the achieved probability of error, P e , is given by [26] …”
Section: Modulation Impactmentioning
confidence: 99%
“…A number of digital modulation schemes had been studied for indoor OWC (Ghassemlooy et al, 2007;Fan et al, 2010). The DHPIM modulation scheme offers a trade-off between bandwidth and power efficiencies.…”
Section: Methodsmentioning
confidence: 99%
“…A symbol is composed of a pulse of one slot duration followed by a sequence of empty slots, the number of which is dependent on the decimal value of the M-bit input data. The average symbol length and the mean slot duration of DPIM are given by: (1) (2) Detailed comparisons of different modulation schemes in terms of optical power and bandwidth requirements and reliability are given in [12] and the references therein.…”
Section: Indoor Owc Systemmentioning
confidence: 99%