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Transmission of a three-carrier 1.206 Tbit/s dual polarization 16-QAM superchannel over 1500 km of SMF is demonstrated using a modified fixed look-up table based maximum-a-posteriori detector to mitigate pattern-dependent distortion in the transmitted signal due to the high symbol rate.
Long-haul transmission for distances greater than 2000 km is investigated for a 224 Gb/s dual-polarization 16-ary quadrature-amplitude-modulation signal, using ultralarge effective area fiber with span lengths of 75.5 km and distributed Raman amplification. By using nonlinear compensation (NLC) based on the low-pass filter (LPF) assisted digital back propagation (DBP) algorithm, a transmission distance...
This paper proposes a novel Time-threshold-based Upward Priority Scheme (TUPS) for vertical handoff in a cellular/WLAN interworking networks. In order to improve the newly blocking probability of cellular calls while guaranteeing system performance and utilization of the cellular bandwidth, the proposed scheme defines priorities for Upward Vertical Handoff (UVH) calls by using time-threshold values...
The performance of the standard and low-pass filter assisted digital back propagation algorithms is investigated for a single 112 Gb/s dual polarization 16-ary quadrature amplitude modulation (DP-16QAM) signal and a transmission distance of 2400 km.
This paper presents a band adaptive modulation pattern recognition method to against the recognition instability in the electronic war which the signal bandwidth is varying. The method is based on researching decision theory and characteristic parameter. The core of the method is that it can restructure the threshold of parameters with changing signal bandwidth and improve the identification results...
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