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K-Over-L Multidimen...
K-Over-L Multidimensional Position Modulation
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- Eriksson, Tobias, 1986 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Johannisson, Pontus, 1976 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Puttnam, Benjamin (författare)
- Japan National Institute of Information and Communications Technology (NICT)
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- Agrell, Erik, 1965 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Andrekson, Peter, 1960 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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- Karlsson, Magnus, 1967 (författare)
- Chalmers tekniska högskola,Chalmers University of Technology
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(creator_code:org_t)
- Institute of Electrical and Electronics Engineers (IEEE), 2014
- 2014
- Engelska.
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Ingår i: Journal of Lightwave Technology. - : Institute of Electrical and Electronics Engineers (IEEE). - 0733-8724 .- 1558-2213. ; 32:12, s. 2254-2262
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Abstract
Ämnesord
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- We analyze a family of modulation formats based on multidimensional position modulation (MDPM) with multiple pulses per frame (K-over-L-MDPM) in combination with quadrature phase shift keying (QPSK), polarization multiplexed QPSK (PM-QPSK) and polarization-switched QPSK (PS-QPSK) for coherent communication systems. MDPM is a generalization of pulse position modulation where different pulse slots can be realized by time slots, polarization states, frequencies, modes of multimode fibers, cores in multicore fibers or a combination of these. We show that by using K-over-L-MDPM with QPSK, it is possible to simultaneously increase both the spectral efficiency and the asymptotic power efficiency over QPSK. We also identify K-ary inverse-MDPM (KiMDPM-QPSK) as the special case of K-over(K -1)-MDPM and show that 4iMDPM-QPSK has a 1.25 dB increased asymptotic power efficiency over QPSK with a maintained spectral efficiency.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Elektroteknik och elektronik -- Annan elektroteknik och elektronik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Electrical Engineering, Electronic Engineering, Information Engineering -- Other Electrical Engineering, Electronic Engineering, Information Engineering (hsv//eng)
Nyckelord
- multicore fiber
- Digital modulation
- optical fiber communication
- multidimensional position modulation (MDPM)
- power efficiency
- pulse position modulation (PPM)
- quadrature phase shift keying (QPSK)
- spectral efficiency
- polarization-switched quadrature phase shift keying (PS-QPSK)
- multi-pulse position modulation (MPPM)
- sensitivity
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