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Journal articles on the topic 'Binary bandwidth control of WDM'

Author: Grafiati

Published: 4 June 2021

Last updated: 1 February 2022

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1

Zhang, Ning. "Control Traffic Flows and Differing Quality of Service with Reservation of Bandwidth in Optical Network." Advanced Materials Research 219-220 (March 2011): 1309–12. http://dx.doi.org/10.4028/www.scientific.net/amr.219-220.1309.

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In this paper, a traffic flow control scheme is presented. Wavelength division multiplexing (WDM) technology have significantly increased the transmission capacity of today’s transport networks, and played an extremely important role in high-speed network. Since high bandwidth wavelength channels will be filled up by many low-speed traffic streams, efficiently provisioning customer connections with such diverse bandwidth needs is a very important problem and is also known as the traffic-grooming problem. Traffic grooming is an extremely important issue for next-generation optical WDM networks.

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2

CARAGIANNIS, IOANNIS, CHRISTOS KAKLAMANIS, and PINO PERSIANO. "SYMMETRIC COMMUNICATION IN ALL-OPTICAL TREE NETWORKS." Parallel Processing Letters 10, no. 04 (2000): 305–13. http://dx.doi.org/10.1142/s0129626400000299.

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We address the problem of allocating optical bandwidth to a set of communication requests in a tree-shaped all-optical network that utilizes Wavelength Division Multiplexing (WDM) technology. WDM technology establishes communication between pairs of nodes of the network by establishing tranceiver–receiver paths and assigning wavelengths to each path so that no two paths going through the same link use the same wavelength. Optical bandwidth is the number of distinct wavelengths. The important engineering problem to be solved is to establish communication between pairs of nodes so that the total

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3

Fujiwara, M., M. Teshima, and K. Iwatsuki. "Narrow bandwidth polarisation scrambler using delay-coupled binary phase pulse for super-dense WDM networks." Electronics Letters 39, no. 5 (2003): 452. http://dx.doi.org/10.1049/el:20030279.

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4

Fujiwara, M., H. Suzuki, and K. Iwatsuki. "Narrow-bandwidth polarization-scrambling technique using delay-coupled binary phase pulse for carrier-distributed WDM networks." Journal of Lightwave Technology 24, no. 7 (2006): 2798–805. http://dx.doi.org/10.1109/jlt.2006.876088.

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5

Almeida, Helvecio M., Eduardo M. G. de Queiroz, and Amilcar C. Cesar. "Connection Admission Control for a WDM Optical Network Based on Traffic Monitoring and Bandwidth Release." IEEE Communications Letters 14, no. 7 (2010): 673–75. http://dx.doi.org/10.1109/lcomm.2010.07.091657.

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6

Lima, Marcos A. C., and Amílcar C. César. "Simultaneous effect of connection admission control in distance and bandwidth capacity on WDM network performance." Photonic Network Communications 15, no. 3 (2007): 251–61. http://dx.doi.org/10.1007/s11107-007-0099-5.

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7

Liu, Qiao, Zheng Kun Yang, and Gui Hua Duan. "Improved Congestion Control Algorithm in Wide Bandwidth and Long Delay Network." Applied Mechanics and Materials 462-463 (November 2013): 997–1000. http://dx.doi.org/10.4028/www.scientific.net/amm.462-463.997.

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With the idea of binary search increasing mechanism of BIC algorithm, an improved BIC (IBIC) algorithm is proposed by adjusting the congestion window with information of packet-loss and data delay, the flow chart and some important parameters are presented, the IBIC algorithm is carried out in Linux kernel. Moreover, the Linux-based network testing platform is constructed by utilizing squid to transmit data from server to clients in gateway, and using WANem to simulate the situation of bandwidth, data dropout and delay. By testing and comparing the congestion control capability of IBIC with ot

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8

Sarigiannidis, Panagiotis G., Sophia G. Petridou, Georgios I. Papadimitriou, and Mohammad S. Obaidat. "IGFS: A New MAC Protocol Exploiting Heterogeneous Propagation Delays in the Dynamic Bandwidth Allocation on WDM-EPON." IEEE Systems Journal 4, no. 1 (2010): 49–56. http://dx.doi.org/10.1109/jsyst.2009.2039886.

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9

Wang, Chao, Yajing Zhang, Zheng Wu, et al. "A Novel Ultra-Broadband Polarization Filter Based on a Microstructured Optical Fiber with a Gold-Coated Air Hole." Micromachines 11, no. 9 (2020): 816. http://dx.doi.org/10.3390/mi11090816.

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In this paper, a pentagonal microstructured optical fiber polarization filter by utilizing a surface plasmon resonance effect is proposed. The characteristics of the mode-coupling and filtering of the filter are studied by making use of the full-vector finite element method. The performance of the filter is greatly affected by the structure parameters. The losses of Y and X polarization of the fiber core are 665.97 and 0.17 dB/cm at 1.55 μm, respectively, and the loss ratio is 3917.47. This shows that the filter has a greater loss ratio. Moreover, both the extinction ratio and tolerance are al

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10

Luhtala, Roni, Henrik Alenius, and Tomi Roinila. "Practical Implementation of Adaptive SRF-PLL for Three-Phase Inverters Based on Sensitivity Function and Real-Time Grid-Impedance Measurements." Energies 13, no. 5 (2020): 1173. http://dx.doi.org/10.3390/en13051173.

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Rapidly increasing demand for renewable energy has created a need for the photovoltaic and wind farms to be placed in various locations that have diverse and possibly time-variant grid conditions. A mismatch between the grid impedance and output admittance of an inverter causes impedance-based stability issues, which appear as power quality problems and poor transient performance. Grid synchronization with phase-locked loop (PLL) introduces a negative-resistance-like behavior to inverter output admittance. High control bandwidth of the PLL makes the system sensitive to impedance-based stabilit

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11

Asif Khan, Muhammad Kamal, Farman Ali, Muhammad Irfan, et al. "Mitigation of Phase Noise and Nonlinearities for High Capacity Radio-over-Fiber Links." Electronics 10, no. 3 (2021): 345. http://dx.doi.org/10.3390/electronics10030345.

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Radio-over-fiber (RoF) links successfully provide high data rates and bandwidth capacity with a low complexity system architecture, as compared to its counterpart digital-RoF. In addition, the compound of quadrature amplitude modulation (QAM) and orthogonal frequency division multiplexed (OFDM) modulation schemes further enhance the process of these achievements. However, high data rates and bandwidth-capacity-supported RoF links face nonlinearities (NLs), linear distortions (LDs), and phase noise challenges that degrade the reliability of communication networks (CNs). Therefore, in this paper

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12

Gao, Yunshu, Xiao Chen, Genxiang Chen, et al. "Programmable Spectral Filter in C-Band Based on Digital Micromirror Device." Micromachines 10, no. 3 (2019): 163. http://dx.doi.org/10.3390/mi10030163.

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Optical filters have been adopted in many applications such as reconfigurable telecommunication switches, tunable lasers and spectral imaging. However, most of commercialized filters based on a micro-electrical-mechanical system (MEMS) only provide a minimum bandwidth of 25 GHz in telecom so far. In this work, the programmable filter based on a digital micromirror device (DMD) experimentally demonstrated a minimum bandwidth of 12.5 GHz in C-band that matched the grid width of the International Telecommunication Union (ITU) G.694.1 standard. It was capable of filtering multiple wavebands simult

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13

Miller, Jonathan I., and David Cebon. "Modelling and performance of a pneumatic brake actuator." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 226, no. 8 (2011): 2077–92. http://dx.doi.org/10.1177/0954406211430882.

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Heavy vehicles have sluggish pneumatic brake actuators that limit the control bandwidth of their anti-lock braking systems. In order to implement more effective braking controllers, it is proposed that high-bandwidth, binary-actuated valves are directly placed on the brake chambers. This article details investigations made into modelling and controlling heavy-vehicle pneumatic brake actuators with a view towards implementing the novel brake actuator design. One-dimensional flow theory is combined with simple thermodynamic arguments for polytropic systems to describe the charging and dischargin

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14

Miller, Jonathan I., Leon M. Henderson, and David Cebon. "Designing and testing an advanced pneumatic braking system for heavy vehicles." Proceedings of the Institution of Mechanical Engineers, Part C: Journal of Mechanical Engineering Science 227, no. 8 (2012): 1715–29. http://dx.doi.org/10.1177/0954406212467578.

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Heavy goods vehicles exhibit poor braking performance in emergency situations when compared to other vehicles. Part of the problem is caused by sluggish pneumatic brake actuators, which limit the control bandwidth of their antilock braking systems. In addition, heuristic control algorithms are used that do not achieve the maximum braking force throughout the stop. In this article, a novel braking system is introduced for pneumatically braked heavy goods vehicles. The conventional brake actuators are improved by placing high-bandwidth, binary-actuated valves directly on the brake chambers. A ma

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15

Xiao, Jing, Yang Liu, Hu Qin, Chaoqun Li, and Jie Zhou. "A Novel QoS Routing Energy Consumption Optimization Method Based on Clone Adaptive Whale Optimization Algorithm in IWSNs." Journal of Sensors 2021 (April 22, 2021): 1–14. http://dx.doi.org/10.1155/2021/5579252.

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Routing requests in industrial wireless sensor networks (IWSNs) are always restricted by QoS. Therefore, finding a high-quality routing path is a key problem. In this paper, a clone adaptive whale optimization algorithm (CAWOA) is designed for reducing the routing energy consumption of IWSNs with QoS constraints, and a novel clone operator is proposed. More importantly, CAWOA innovatively adopts a discrete binary-based routing coding method, which provides strong support for optimal routing schemes. In addition, a novel routing model of IWSNs combined with QoS constraints has been designed, wh

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16

Irfan, Muhammad, Farman Ali, Fazal Muhammad, et al. "An Optimal Framework for WDM Systems Using Analytical Characterization of Refractive Index-Related Nonlinear Impairments." Electronics 10, no. 3 (2021): 221. http://dx.doi.org/10.3390/electronics10030221.

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Nonlinear effects in the optical transmission systems (OTSs) are considered as the major performance limiting factor to provide high transmission rates over ultra-long distances. As the demands for system capacity, transmission range and the number of users is increasing exponentially with the development of mobile broadband, new challenges are being faced by the backbone optical networks. Mainly, the refractive index related non-linearities (RIrNLs) need to be characterized to design an optimal OTS for error-free transmission with provision of wavelength division multiplexing (WDM) to support

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17

Lechowicz, Piotr, Aleksandra Knapińska, and Róża Goścień. "Fragmentation-Aware Traffic Grooming with Lane Changes in Spectrally–Spatially Flexible Optical Networks." Electronics 10, no. 12 (2021): 1502. http://dx.doi.org/10.3390/electronics10121502.

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Traffic in current networks is constantly increasing due to the growing popularity of various network services. The currently deployed backbone optical networks apply wavelength division multiplexing (WDM) techniques in single-core single-mode fibers (SMFs) to transmit the light. However, the capacity of SMFs is limited due to physical constraints, and new technologies are required in the near future. Spectrally–spatially-flexible optical networks (SS-FONs) are proposed to provide a substantial capacity increase by exploring the spatial dimension. However, before this technology will reach mat

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18

Nazari, Masoud, Leila Sharifi, Meysam Akbari, and Omid Hashemipour. "Design of a 10-Bit High Performance Current-Steering DAC with a Novel Nested Decoder Based on Domino Logic." Journal of Circuits, Systems and Computers 24, no. 06 (2015): 1550086. http://dx.doi.org/10.1142/s0218126615500863.

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In this paper, a 10-bit 8-2 segmented current-steering digital-to-analog converter (DAC) is presented which uses a novel nested binary to thermometer (BT) decoder based on domino logic gates. High accuracy and high performances are achieved with this structure. The proposed decoder has a pipelining scheme and it is designed symmetrically in three stages with repeatable logic gates. Thus, power consumption, chip area and the number of control signals are reduced. The proposed DAC is simulated in 0.18-μm CMOS technology and the spurious-free dynamic range (SFDR) is 65.3 dB over a 500 MHz output

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19

Hwang, Eunju, Kyung Jae Kim, and Bong Dae Choi. "Delay distribution and loss probability of bandwidth requests under truncated binary exponential backoff mechanism in IEEE 802.16e over Gilbert-Elliot error channel." Journal of Industrial & Management Optimization 5, no. 3 (2009): 525–40. http://dx.doi.org/10.3934/jimo.2009.5.525.

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20

Lee, Han Hyub, Kyeong-Hwan Doo, Kwangok Kim, et al. "Experimental demonstration of 50 Gb/s (2 × 25 Gb/s) TDM/WDM PON over 64-way power split using O-band up/down transmission over 20 km with dynamic bandwidth allocation and SDN control." Optics Express 26, no. 19 (2018): 25120. http://dx.doi.org/10.1364/oe.26.025120.

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21

Jing, Binbin, and Jianmin Xu. "A General Maximum Progression Model to Concurrently Synchronize Left-Turn and through Traffic Flows on an Arterial." Mathematical Problems in Engineering 2018 (2018): 1–11. http://dx.doi.org/10.1155/2018/2453246.

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In the existing bandwidth-based methods, through traffic flows are considered as the coordination objects and offered progression bands accordingly. However, at certain times or nodes in the road network, when the left-turn traffic flows have a higher priority than the through traffic flows, it would be inappropriate to still provide the progression bands to the through traffic flows; the left-turn traffic flows should instead be considered as the coordination objects to potentially achieve better control. Considering this, a general maximum progression model to concurrently synchronize left-t

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22

Sharma, Atul, Sushil Raut, Kohei Shimasaki, Taku Senoo, and Idaku Ishii. "Visual-Feedback-Based Frame-by-Frame Synchronization for 3000 fps Projector–Camera Visual Light Communication." Electronics 10, no. 14 (2021): 1631. http://dx.doi.org/10.3390/electronics10141631.

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This paper proposes a novel method for synchronizing a high frame-rate (HFR) camera with an HFR projector, using a visual feedback-based synchronization algorithm for streaming video sequences in real time on a visible-light communication (VLC)-based system. The frame rates of the camera and projector are equal, and their phases are synchronized. A visual feedback-based synchronization algorithm is used to mitigate the complexities and stabilization issues of wire-based triggering for long-distance systems. The HFR projector projects a binary pattern modulated at 3000 fps. The HFR camera syste

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23

Beaujean, Pierre-Philippe J., and Edward A. Carlson. "HERMES—A High Bit-Rate Underwater Acoustic Modem Operating at High Frequencies for Ports and Shallow Water Applications." Marine Technology Society Journal 43, no. 2 (2009): 21–32. http://dx.doi.org/10.4031/mtsj.43.2.1.

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AbstractAn underwater acoustic modem capable of point-to-point transmission of data at high bit rates is presented in this article. The high data-rate acoustic uplink operates between 262 kHz and 375 kHz in three sub-bands. The lower sub-band (262.5 kHz to 337.5 kHz) carries the binary information. The middle sub-band (347-373 kHz) is for detection purposes. The higher sub-band carries a narrow-band, 375-kHz tone designed to improve the Doppler-tracking capability of the high bit-rate acoustic uplink. The acoustic uplink uses phase-modulated symbols of adjustable bandwidth (25 kHz, 50 kHz or 7

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24

Manzoor, Sohaib, Khalid Bashir Bajwa, Muhammad Sajid, et al. "Modeling of Wireless Traffic Load in Next Generation Wireless Networks." Mathematical Problems in Engineering 2021 (August 30, 2021): 1–15. http://dx.doi.org/10.1155/2021/7293093.

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Software defined WiFi network (SD-WiFi) is a new paradigm that addresses issues such as mobility management, load management, route policies, link discovery, and access selection in traditional WiFi networks. Due to the rapid growth of wireless devices, uneven load distribution among the network resources still remains a challenging issue in SD-WiFi. In this paper, we design a novel four-tier software defined WiFi edge architecture (FT-SDWE) to manage load imbalance through an improved handover mechanism, enhanced authentication technique, and upgraded migration approach. In the first tier, th

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25

Fang, Yin-Ying, Chi-Fang Chen, and Sheng-Ju Wu. "Feature identification using acoustic signature of Ocean Researcher III (ORIII) of Taiwan." ANZIAM Journal 59 (July 25, 2019): C318—C357. http://dx.doi.org/10.21914/anziamj.v59i0.12655.

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Underwater acoustic signature identification has been employed as a technique for detecting underwater vehicles, such as in anti-submarine warfare or harbour security systems. The underwater sound channel, however, has interference due to spatial variations in topography or sea state conditions and temporal variations in water column properties, which cause multipath and scattering in acoustic propagation. Thus, acoustic data quality control can be very challenging. One of challenges for an identification system is how to recognise the same target signature from measurements under different te

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26

Singhal, Ankur, Amit Gupta, and Charanjeet Singh. "A Heavy Load Optimized Dynamic Bandwidth Allocation Algorithm for Hybrid WDM/TDM VPONs." Journal of Optical Communications, August 29, 2018. http://dx.doi.org/10.1515/joc-2018-0032.

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Abstract Hybrid wavelength division multiplexed (WDM)/Time division multiplexed (TDM) virtual passive optical networks (VPONs) are considered to provide cost efficient solutions for ever increasing bandwidth requirements of next generation optical access networks. With the development in technology effective bandwidth assignment has emerged as a major concern area. In this paper a novel heavy load optimized dynamic bandwidth allocation algorithm (HLO-DBA) is proposed for the hybrid WDM/TDM VPONs. Multi point control protocol of Ethernet passive optical network (EPON) is implemented for WDM/TDM

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27

Abedidarabad, Siamak, and Reza Poorzare. "Improving Performance of Optical Networks by a Probable Approach." Journal of Optical Communications, January 23, 2019. http://dx.doi.org/10.1515/joc-2018-0221.

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AbstractOptical Burst Switching (OBS) networks are new emerging techniques that alternate Optical Circuit Switching (OCS) and Optical Packet Switching (OPS) techniques. The high bandwidth of fiber links in these networks, besides WDM (Wavelength Division Multiplexing) helps the Internet to handle the heavy traffic. OBS networks have an important issue that needs to be tackled. These networks are bufferless in their nature, so when two bursts are trying to reserve one wavelength one of them is dropped. This drop can be assumed as an indicator of congestion; as a result, the sending rate will be

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28

Borghi, Massimo, Stefano Biasi, and Lorenzo Pavesi. "Reservoir computing based on a silicon microring and time multiplexing for binary and analog operations." Scientific Reports 11, no. 1 (2021). http://dx.doi.org/10.1038/s41598-021-94952-5.

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AbstractPhotonic implementations of reservoir computing (RC) promise to reach ultra-high bandwidth of operation with moderate training efforts. Several optoelectronic demonstrations reported state of the art performances for hard tasks as speech recognition, object classification and time series prediction. Scaling these systems in space and time faces challenges in control complexity, size and power demand, which can be relieved by integrated optical solutions. Silicon photonics can be the disruptive technology to achieve this goal. However, the experimental demonstrations have been so far fo

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29

Aly, Mohamed, Magdy Roman, Mohamed Rabie, and Sayed Shaaban. "Observer-Based Optimal Position Control for Electrohydraulic Steer-by-Wire System Using Gray-Box System Identified Model." Journal of Dynamic Systems, Measurement, and Control 139, no. 12 (2017). http://dx.doi.org/10.1115/1.4037164.

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Steer-by-wire (SBW) systems in a passenger car can improve vehicle steering capability and design flexibility by replacing the mechanical linkage between the steering wheel and front wheels by a control circuit. The steering controller, however, should provide good performance in response to driver's input signal. This includes fast response, absence of overshoot or oscillatory behavior, and good accuracy with minimal steady-state error. In this paper, an optimal control strategy based on observed system states is proposed and implemented on an electrohydraulic SBW system of a passenger car. F

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30

Ballard, Su. "Information, Noise and et al." M/C Journal 10, no. 5 (2007). http://dx.doi.org/10.5204/mcj.2704.

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   The two companions scurry off when they hear a noise at the door. It was only a noise, but it was also a message, a bit of information producing panic: an interruption, a corruption, a rupture of communication. Was the noise really a message? Wasn’t it, rather, static, a parasite? Michael Serres, 1982. Since, ordinarily, channels have a certain amount of noise, and therefore a finite capacity, exact transmission is impossible. Claude Shannon, 1948. Reading Information At their most simplistic, there are two means for shifting information around – analogue and digital. Anal

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Maddox, Alexia, and Luke J. Heemsbergen. "Digging in Crypto-Communities’ Future-Making." M/C Journal 24, no. 2 (2021). http://dx.doi.org/10.5204/mcj.2755.

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Introduction This article situates the dark as a liminal and creative space of experimentation where tensions are generative and people tinker with emerging technologies to create alternative futures. Darkness need not mean chaos and fear of violence – it can mean privacy and protection. We define dark as an experimental space based upon uncertainties rather than computational knowns (Bridle) and then demonstrate via a case study of cryptocurrencies the contribution of dark and liminal social spaces to future(s)-making. Cryptocurrencies are digital cash systems that use decentralised (peer-to-

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