Modulation

Performance analysis of a hybrid QAM-MPPM technique over turbulence-free and gamma-gamma free-space optical channels
The performance of a hybrid M-Ary quadrature amplitude modulation multi-pulse pulse-position modulation (hybrid QAM-MPPM) technique is …
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SER Analysis of MPPM-Coded MIMO-FSO System over Uncorrelated and Correlated Gamma-Gamma Atmospheric Turbulence Channels
The performance of multiple-input multiple-output free space optical (MIMO-FSO) communication systems, that adopt multipulse pulse …
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Selection transmit diversity for FSO links over strong atmospheric turbulence channels
In this letter, transmit laser selection for multiple-input-single-output free-space optical communication systems with intensity …
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Improved upper bound on capacity of optical IM/DD channels using binary pulse amplitude modulation
A new upper bound on the channel capacity of power- and bandwidth-constrained optical intensity channels corrupted by white Gaussian …
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Rate-adaptive indoor wireless infrared links using OOK formats with alternate-position Gaussian pulses
A new rate-adaptive signalling technique for indoor unguided optical links is proposed. This format is based on variable silence …
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Rate-adaptive modulation techniques for indoor wireless infrared links at bit rates of wide dynamic range
In this paper, a new and simple rate-adaptive transmission scheme for indoor unguided optical links is proposed. This scheme is based …
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