Gb/s transmission systems
10 Gb/s Bang-Bang Clock and Data Recovery (CDR) for optical transmission systems
... Linear charge pump-PLLs with the so-called ”Hogge” phase detector (Hogge, 1985) played a long time a favorite role in realizing Clock-Data-Recovery circuits for optical transmis- sion systems. Its loop ...
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On the Use of Gaussian Approximation in Analyzing the Performance of Optical Receivers
... 10 Gb/s lightwave systems, they cannot sustain higher bit rates due to their long avalanche buildup ...10 Gb/s. Moving toward higher transmission speed, a new approach has been ...
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Performance Limitations of 40-Gb/s RZ-DPSK DWDM Systems Due to Nonlinear Effects and Their Mitigation
... Advanced modulation formats particularly phase modulation formats like differential phase-shift keying (DPSK), differential quadrature phase-shift keying (DQPSK) schemes have attracted huge research attention because of ...
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Eye-Diagram-Based Evaluation of RZ and NRZ Modulation Methods in a 10-Gb/s Single-Channel and a 160-Gb/s WDM Optical Networks
... Another study has been done to compare standard forward error code (FEC) in 40 Gb/s optical transmission systems with NRZ, RZ, and carrier-suppressed RZ (CS-RZ) modulation formats. The results ...
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PMD Tolerance of CSRZ-DPSK and -DQPSK Systems in 40 Gb/s DWDM Systems in Presence of Nonlinearities
... communication systems are impaired and ultimately limited by the four ‘horsemen’ of optical fiber communication systems: chromatic dispersion, amplified spontaneous emission noise from amplifiers, ...
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Coherent terahertz photonics
... THz systems to achieve 5 orders of magnitude enhancement in sensitivity and 2 orders of magnitude enhancement in energy consumption relative to pulsed sources, while offering good potential for ...such ...
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4 Pulsed Amplitude Modulation Optical Downlink Signals Reception in Optical Access Systems Using Different Bandwidth Optical Bessel Filter
... signals transmission and reception by using 4-pulsed amplitude modulation (4-PAM) and demodulation in 10 Gb/s passive optical access sys- tems with different bandwidth optical Bessel filter (OBF) is ...
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FPGA implementation of a MIMO DFE in 40 GB/S DQPSK optical links
... NRZ-DQPSK transmission is chosen because it operates at half the bit rate required for 40 Gb/s and exhibits upgrade compatibility with existing transmission ...40 Gb/s despite ...
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Gb/s visible light communications with colloidal quantum dot color converters
... μ s, therefore the resulting sources cannot be modulated at high speed for data transmission, the band- width of white phosphor LEDs typically being less than 2 MHz ...
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Great Britain's Energy Vectors and Transmission Level Energy Storage
... by GB in 2013/14 appears clearly in the reduced quantity and peak energy of the total gas ...that GB energy systems experience within and between years, with part of the explanation for this ...
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Uplink Design in VLC Systems with IR Sources and Beam Steering
... video transmission applications has recently focused interest on visible light communication (VLC) ...VLC systems provide lighting and communications simultaneously from light emitting diodes, LEDs, the ...
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Effectiveness of Modulation Formats to Nonlinear Effects in Optical Fiber Transmission Systems Under 160 GB/S Data Rate
... optical transmission system, which can severely limit the wavelength division multiplexing (WDM) and lower the transmission ...160 Gb/s data ...
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Anomaly-based botnet detection for 10 Gb/s networks
... 10 Gb/s Media Independent Interface (XGMII) module running at DDR to create a single 64-bit word from the incoming 32-bit data before forwarding it to the XGMAC’s internal ...
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Wireless visible light communications employing feed-forward pre-equalization and PAM-4 modulation
... 2 Gb/s transmission using NRZ and PAM-4 modulation, whilst varying the number of FFE taps from 2 to 5 and the BER performance of each link configuration is obtained ...2 Gb/s; while ...
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Research on Dispersion Compensation of 40 GB/s Optical Duo Binary Coded Transmission System
... In this paper, the influence of the cut-off frequency of the LPF on the transmission performance is also ana- lyzed. As shown in the Figure 5, the cut-off frequency of the low-pass filter can be adjusted from 12 ...
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Design of Distribution Automation System with SCADA
... The electric power distribution network, an essential section of the electric power system, supplies electrical power to the customer. Automating the distribution network allows for better efficiency, reliability, and ...
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Demonstration of a Bidirectional WDM-PON with 10 Gb/s Downstream DQPSK and 5 Gb/s Upstream Re-modulated OOK Data Based on Reflective Semiconductor Optical Amplifier
... on-off keying (OOK) modulation as downstream signal [2]-[4]. However, those schemes required high injection power and sacrificed the extinction ratio (ER) of the downstream data to reduce the crosstalk to the upstream ...
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Fuzzy gb Continuous Maps in Fuzzy Topological Spaces
... X. Then 1-A is gb-closed. By hypothesis every fgb-closed set is fuzzy b-closed, 1-A is fuzzy b-closed set and hence A is fuzzy b-open in X. Conversely, let A be fgb- closed. Then 1-A is fgb- open which implies 1-A ...
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Reducing Checkpoint/Restart Overhead using Near Data Processing for Exascale System.
... / S: 5 GB / s) and a fast local storage (L / F: 15 GB / s) ...5 GB / s read / write .../ S-Comp + I / ...L/F(15 GB/s) configuration only improves the ...
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Protection of Distribution Networks
... In connection with the distribution system, there are also a lot of tools to help estimate the conditions of safety, reliability and quality are about feeding operation. The most important of these tools are protective ...
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