scholarly journals Experimental Demonstration of Spectrally Efficient Frequency Division Multiplexing Transmissions at E-Band

2019 ◽  
Vol 67 (5) ◽  
pp. 1911-1923 ◽  
Author(s):  
Hedaia Ghannam ◽  
Dhecha Nopchinda ◽  
Marcus Gavell ◽  
Herbert Zirath ◽  
Izzat Darwazeh
Keyword(s):  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Experimental Demonstration ◽  
Spectrally Efficient

scholarly journals Advantages of Spectrally Efficient Frequency Division Multiplexing Over Orthogonal Frequency Division Multiplexing

2020 ◽  
Vol 9 (8) ◽  
pp. 238-244
Keyword(s):  
Orthogonal Frequency Division Multiplexing ◽  
Average Power ◽  
Frequency Division Multiplexing ◽  
Power Ratio ◽  
Frequency Division ◽  
Sphere Decoder ◽  
Symbol Rate ◽  
Transmission Length ◽  
Spectrally Efficient ◽  
The Impact

An analysis on Spectrally Efficient Frequency Division Multiplexing (SEFDM) is contrast with Orthogonal Frequency Division Multiplexing (OFDM) considering the impact on Peak to Average Power Ratio (PAPR) and nonlinearities within fibre. With respect to OFDM the sub-carriers in SEFDM signals are compressed adjacent to each other at a rate of frequency lesser than the symbol rate. At the receiver end we have utilized the Sphere Decoder which is used to recover the data to remunerate the Interference created by the compressed signals (ICI) faced in the system. This research shows the advantages by using SEFDM and evaluates its achievement. PAPR. when compared with OFDM, while effects of non-linear fibres are considered. The use of various formats of modulation going from 4-QAM to 32-QAM, shows that the SEFDM signals have a noteworthy increment in the transmission length with respect to ordinary signals.

DFT Spread Spectrally Efficient Frequency Division Multiplexing for IM-DD Transmission in C-Band

2020 ◽  
Vol 38 (13) ◽  
pp. 3526-3532 ◽  
Author(s):  
Zibin Li ◽  
Wei Wang ◽  
Dongdong Zou ◽  
Fan Li ◽  
Jianping Li ◽  
...  
Keyword(s):  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Spectrally Efficient

Differentially Modulated Spectrally Efficient Frequency-Division Multiplexing

2019 ◽  
Vol 26 (7) ◽  
pp. 1046-1050 ◽  
Author(s):  
Seichiroh Osaki ◽  
Miyu Nakao ◽  
Takumi Ishihara ◽  
Shinya Sugiura
Keyword(s):  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Spectrally Efficient

Dual Polarization Coherent Optical Spectrally Efficient Frequency Division Multiplexing

2016 ◽  
Vol 28 (1) ◽  
pp. 83-86 ◽  
Author(s):  
Dhecha Nopchinda ◽  
Tongyang Xu ◽  
Robert Maher ◽  
Benn C. Thomsen ◽  
Izzat Darwazeh
Keyword(s):  
Frequency Division Multiplexing ◽  
Frequency Division ◽  
Dual Polarization ◽  
Spectrally Efficient
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