TY - GEN
T1 - Space-time codes for fiber communications
T2 - 2012 8th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2012
AU - Jaouën, Yves
AU - Mumtaz, Sami
AU - Awwad, Elie
AU - Othman, Ghaya Rekaya Ben
PY - 2012/11/12
Y1 - 2012/11/12
N2 - Dual polarization coherent systems are considered to be an attractive solution for optical fiber transmissions beyond 100Gb/s. Polarization multiplexing (PolMux) doubles the channel capacity and the spectral efficiency by transmitting two signals on the orthogonal polarization states. However optical polarization-dependent impairments, such as polarization mode dispersion (PMD) or polarization dependent loss (PDL) in optical fibers, may induce severe performances degradation. As PolMux systems can be seen as 2x2 MIMO channels, Space-Time codes can be used to enhance the transmission performance. The performances of the Golden code and the Silver code, which are the two best Space-Time codes in wireless communications, are evaluated in the case of optical PolMux OFDM systems by numerical simulations and validated by experiments. We show that Space-Time coding are inefficient against dispersion effects such as PMD but can dramatically mitigate PDL effects. Moreover, the obtained results show that, unlike in wireless communications, the Silver code outperforms the Golden code.
AB - Dual polarization coherent systems are considered to be an attractive solution for optical fiber transmissions beyond 100Gb/s. Polarization multiplexing (PolMux) doubles the channel capacity and the spectral efficiency by transmitting two signals on the orthogonal polarization states. However optical polarization-dependent impairments, such as polarization mode dispersion (PMD) or polarization dependent loss (PDL) in optical fibers, may induce severe performances degradation. As PolMux systems can be seen as 2x2 MIMO channels, Space-Time codes can be used to enhance the transmission performance. The performances of the Golden code and the Silver code, which are the two best Space-Time codes in wireless communications, are evaluated in the case of optical PolMux OFDM systems by numerical simulations and validated by experiments. We show that Space-Time coding are inefficient against dispersion effects such as PMD but can dramatically mitigate PDL effects. Moreover, the obtained results show that, unlike in wireless communications, the Silver code outperforms the Golden code.
KW - Modulation coding
KW - OFDM modulation
KW - Optical fiber communication
KW - Optical polarization
U2 - 10.1109/CSNDSP.2012.6292649
DO - 10.1109/CSNDSP.2012.6292649
M3 - Conference contribution
AN - SCOPUS:84868581571
SN - 9781457714733
T3 - Proceedings of the 2012 8th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2012
BT - Proceedings of the 2012 8th International Symposium on Communication Systems, Networks and Digital Signal Processing, CSNDSP 2012
Y2 - 18 July 2012 through 20 July 2012
ER -