搜索结果: 1-13 共查到“光信息技术 Optical Network”相关记录13条 . 查询时间(0.077 秒)
Comparison of OFDMA and SC-FDMA Channel Access Techniques in a Passive Optical Network Environment
Comparison OFDMA SC-FDMA Channel Access Techniques Passive Optical Network Environment
2015/5/25
For the first time, OFDMA and SC-FDMA are compared experimentally as candidate uplink access techniques for next-generation PONs. Important issues like peak-to-average power ratio, optical beat interf...
Experimental Evaluation of Centralized Failure Restoration in a Dynamic Impairment-Aware All-Optical Network
Centralized Failure Restoration Dynamic Impairment-Aware All-Optical Network
2015/5/20
A centralized impairment-aware lightpath restoration scheme is experimentally demonstrated. Through the implementation of the QoT estimator module on FPGA technology,restoration times of 1.36s are ach...
Live In-Service Modification of Optical Network Elements Implemented with Xilinx FPGAs
Xilinx FPGA Optical Network Elements Service Modification
2015/5/18
This paper demonstrates that Xilinx FPGA partial reconfiguration technology can yield resource and power savings in optical network elements through selective hardware modification during live operati...
Optical Network Design Algorithms that Consider Optical Path Add/Drop Ratio Restrictions for OXC Hardware Scale Reduction
Optical Network Design Algorithms Hardware Scale Add/Drop Ratio
2015/5/18
We develop network design algorithms that consider constraints on the number of added/dropped optical paths at nodes in terms of wavelength and of fiber. The strategy is demonstrated to significantly ...
Comparison of Two CS-SSB Modulators Used in Bidirectional Carrier Distributed Long-Reach Passive Optical Network
Two CS-SSB Modulators Carrier Distributed Reach Passive Optical Network
2015/5/18
Two different CS-SSB modulators based on Mach-Zehnder structure used in carrier-distributed long-reach passive optical networks are investigated and compared. The Rayleigh-backscattering beat noise to...
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 ...
WSON introducing restoration resource sharing for DWDM imposes new challenge to the network design. This paper illustrates resource and circuit planning algorithms used to accomplish an optimal WSON n...
Techno-economic Analysis of a Dynamic Impairment-Aware Optical Network
Dynamic Impairment-Aware Optical Network Techno-economic Analysis
2015/5/15
We quantify the performance of impairment-aware networking in terms of capital and operational expenditures and compare it to an impairment-unaware solution in the presence of nodes that bear differen...
360km Field Transmission of 10 Gbit/s Stream Cipher by Quantum Noise for Optical Network
Fiber optics communication Optical security encryption
2015/6/10
Secure optical transmission experiment is demonstrated using a stream cipher by quantum noise. The bit error rates of a 10Gbit/s signal through 360km fiber for authentic receiver and eavesdropper are ...
Scalability Analysis and Evaluation of the Multi-domain, Optical Network Service Plane in Harmony
Scalability Analysis Optical Network Service Plane Harmony
2015/7/17
Performance study of successful responses to incremental and poison requests for the Harmony system, a multi-domain distributed Optical Network Service Plane capable of providing end-to-end advance pr...
Plug and Play Techniques for Optical Network Configuration
Plug Play Techniques Optical Network Configuration
2015/7/17
This paper proposes plug and play techniques for optical network configuration. The techniques can reduce the manual operation labor needed to commence services and simplifies management activities.Ev...
Optical Network Planning with Rate-Tunable NRZ Transponders
Optical Network Planning Rate-Tunable NRZ Transponders
2015/7/16
We present simple reach estimators for 5 to 15Gb/s NRZ channels in commonly deployed networks and assess the benefits of tunable data-rate in core optical networks through routing and resource allocat...
GMPLS Based Multi Layer Service Network Architecture for Advanced IP Over Optical Network Services in Japan
GMPLS Multi Layer Service Network Architecture Advanced IP Over Optical Network Services
2015/8/3
We propose a GMPLS based Multi Layer Service Network Architecture accommodating multiple services over optical network and Layer1-on-demand service with its implementation in Japan’s nationwide networ...