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Low Computation Complexity Two-Stage Feedforward Carrier Recovery Algorithm for M-QAM
Low Computation Complexity Two-Stage FeedforwardCarrier Recovery Algorithm M-QAM
2015/5/20
We propose a modified two-stage feedforward carrier recovery algorithm for M-QAM formats that achieves a 3x reduction in computation complexity compared to a single-stage algorithm. When combining wit...
Statistical Investigations of Optical OFDM Adaptive Loading Algorithm over 1000 Worst-Case MMFs
Optical OFDM Adaptive Loading Algorithm MMFs Statistical Investigations
2015/5/18
Bit-and-power-loading(BPL) [power-loading (PL)] offers the best (worst) performance.For MMFs of <300m PL is effective for escalating an optical OFDM MMF link performance to its maximum potential; for ...
A Novel Monitor Placement Algorithm for Accurate Performance Monitoring in Optical Network
Optical Network Accurate Performance Monitoring Placement Algorithm
2015/5/15
We propose a novel monitor placement algorithm that reduces significantly the number of monitors required to accurately assess the QoT of all lightpaths established in an optical network, compared to ...
Suboptimal ODN Design Algorithm for Minimizing Cable Deployment Cost
Deployment Cost ODN Design Algorithm
2015/5/15
A novel design algorithm of PON ODN is proposed and demonstrated. Based on the forecasted demand, it can automatically generate a suboptimal network in terms of the total cable deployment construction...
1.25/10.3Gbps dual rate algorithm for 10G-EPON burst-mode CDR
Fiber optics communications Optical communications
2015/6/11
We present new dual rate algorithm for a burst-mode CDR and successfully achieved rapid burst-mode data recovery of less than 16ns at 1.25Gbps and of less than 6.4ns at 10.3Gbps in the same platform.
Optical Phase-Modulated Radio-over-Fiber Links with K-means Algorithm for Digital Demodulation of 8PSK Subcarrier Multiplexed Signals
Coherent communications Phase modulation
2015/6/5
A k-means algorithm for phase recovery of three, 50 Mbaud, 8PSK subcarrier multiplexed signals at 5 GHz for optical phase-modulated radio-over-fiber is proposed and experimentally demonstrated after 4...
Experimental Demonstration of a Nonlinear Effects Crosstalk Minimization Algorithm
All-optical networks Nonlinear optics
2015/6/4
A nonlinear crosstalk minimization algorithm that simultaneously considers SPM, XPM and FWM is presented and experimentally assessed. For a PON worst-case scenario a 1dB power gain is obtained for a B...
Performance of Modified Decision-Directed Polarization Control/Demultiplex Algorithm in Coherent QAM Receiver
Coherent communications Optical communications
2015/6/4
A modified decision-directed polarization control and demultiplex algorithm for coherent receivers is evaluated for QAM schemes up to order 256, and compared against the constant-modulus algorithm ada...
Weight-based Algorithm for Demand Aggregation in SONET/DWDM Networks
Algorithm Demand Aggregation SONET/DWDM Networks
2015/7/17
A weight-based heuristic algorithm was developed to efficiently aggregate UPSR demands into SONET rings over DWDM networks in order to minimize the total number of optical line cards for a given set o...
Experimental 2.5 Gbit/s QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link with Digital Demodulation by a K-means Algorithm
QPSK WDM Coherent Phase Modulated Radio- over-Fibre Link Digital Demodulation K-means Algorithm
2015/7/17
Highest reported bit rate of 2.5 Gbit/s for optically phase modulated radio-over-fibre link employing coherent detection is demonstrated. Demodulation of 3x2.5 Gbit/s QPSK modulated WDM channels, is a...
QAM Adaptation of Constant-Modulus Algorithm and Differential Phase Compensation for Polarization Demultiplex in Coherent Receiver
QAM Adaptation Constant-Modulus Algorithm Differential Phase Compensation Polarization Demultiplex Coherent Receiver
2015/7/16
The constant modulus algorithm is adapted for QAM signals and complemented with a differential phase compensation. This triples polarization control speed and doubles laser linewidth tolerance.
From Algorithm to ASIC: Realising Distortion Tolerant Transmission
Algorithm ASIC:Tolerant Transmission
2015/7/15
Structural design and functional blocks of a digital equalizer chipset is shown in a case study of two product generations. In addition, challenges from field applications and product solutions are pr...
Demonstration of 10.3-Gbit/s Burst-mode CDR employing 0.13 um SiGe BiCMOS Quad-rate sampling IC and Data-phase decision-algorithm for 10Gbps-based PON Systems
Burst-mode CDR SiGe BiCMOS Quad-rate sampling IC Data-phase decision-algorithm PON Systems
2015/8/6
We present a new 10Gbps-based PON burst-mode CDR with a 0.13 um BiCMOS quad-rate sampling IC and decision-algorithm for optimum recovery-data selection.Instantaneous burst-mode recovery of the first b...
Optical Multicast Tree Construction Algorithm Considering SNR Constraint and 3R Regeneration
Optical Multicast Construction Algorithm SNR Constraint Regeneration
2015/8/3
We propose a novel multicast tree construction algorithm for video distribution/multicasting. The algorithm successfully handles the optical signal impairments caused by transmission and branching, an...
Network Segmentation and Design Algorithm for Large-Scale Optical Path Networks based on Traffic Distribution Information
Network Segmentation Design Algorithm Large-Scale Optical Path Networks Traffic Distribution Information
2015/8/3
We propose a network segmentation and design algorithm based on traffic distribution information.Numerical experiments demonstrated that the proposed algorithm can greatly reduce network cost.