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The in-band OSNR of SP and DP QPSK signals were measured over a range of 10 to 21dB ±1dB using a pair of polarisation independent Michelson fibre interferometers without the requirement for prior knowledge of the signal's coherence properties.
Communication in acoustic particle velocity channel using vector sensors is recently proposed for the underwater medium. Due to the presence of multiple propagation paths, a mobile receiver collects the transmitted signal with different delays and Doppler shifts. This introduces certain delay and Doppler spreads in particle velocity communication channels. In this paper, these channel spreads are...
Depending on the angle of arrivals (AOAs) and other channel characteristics, different types of correlation appear among acoustic pressure and acoustic particle velocity channels. To have accurate channel models for communication system design, a complete set of correlations are derived in this paper for a vector sensor array. In addition to exact results, accurate yet less complex approximations...
Dynamic protection/restoration schemes supporting QoS were proposed in OBS/GMPLS interworking network for the first time. Dynamic offset time scheme supported by OBS extensions was also verified.
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