搜索结果: 1-15 共查到“光学工程 Access”相关记录81条 . 查询时间(0.062 秒)
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch for Access Networks
Optically Reconfigurable 1x4 Silicon-on-Insulator Remote Node Switch Access Networks
2014/11/6
Operation of an optically controlled 1x4 remote node, based on membrane InP switches and SOI waveguide circuits, is shown. Extinction ratio >25dB and penalty-free operation for 10Gb/s 231-1 PRBS data ...
Hybrid optical access networks, integrating fiber-tothe-home (FTTH) and radio-over-fiber (RoF) systems that share a single distributed infrastructure, are promising for future multiservice access netw...
Cost-Effective Multi-Services Hybrid Access Networks with no Optical Filter at Remote Nodes
2011/11/22
This letter experimentally demonstrates a multiservices hybrid access network integrated radio-over-fiber and fiber-to-the-home systems which share the same distributed architecture. A 1.25-Gb/s baseb...
Hybrid Access Network Integrated With Wireless Multilevel Vector and Wired Baseband Signals Using Frequency Doubling and No Optical Filtering
EXPERIMENTAL SETUP optical power Wireless Multilevel Vector
2011/11/17
FIBER-TO-THE-x (FTTx) have been widely constructed for high data rate wired services to provide triple-play services including voice, data, and video [1]. On the other hand, radio-over-fiber (RoF) tec...
A Novel Wireless over Fiber Access Architecture Employing Moving Chain Cells and RoF Technique for Broadband Wireless Applications on the Train Environment
Networks ptical communications
2015/5/26
We have demonstrated a hybrid optical/wireless system based on moving chain cells and radio-over-fiber techniques. This scheme can improve power efficiency, cell-edge coverage,system throughput and fl...
Demonstration of Converged Bidirectional OFDM-m-QAM RoF and WDM-OFDM-PON Access Networks
Networks Optical communications
2015/5/26
We demonstrate a novel lightwave centralized hybrid bidirectional WDM-OFDM-PON and OFDM-m-QAM RoF network. The 11.29-Gb/s OFDM-16QAM wired DL, 5.65-Gb/s OFDM-QPSK wired UL and WiMAX downstream/upstrea...
We review the imperatives on the optical communication technology industry to realize universal ultra high speed access to the world‟s information.
Efficient Optical Packet Transport in Access, Metro, and Core Networks
Networks Networks network optimization
2015/5/25
We present and evaluate opportunities and challenges for packet optical transport of residential and business data services from access to core networks. Presented solutions are evaluated based on sam...
A Novel MAMSK-OFDM technology for Next Generation Optical Access Networks
Novel MAMSK-OFDM technology Next Generation Optical Access Networks
2015/5/25
We propose and experimentally demonstrate a novel MAMSK-OFDM-PON. 5-Gb/s MAMSK-OFDM signal and 2.5-Gb/s upstream OOK signal is transmitted over 20km fiber successfully. The results show the prospect o...
Cyclic Prefix Free 10-Gb/s OFDM for a DML-Based Long- Reach Optical Access Using Joint Time and Frequency Domain Equalization Algorithm
Fiber optics links subsystems Modulation
2015/5/25
Without using a cyclic prefix, a DML-based 10-Gb/s OFDM at 2.5-GHz bandwidth transmission over 65-km SMF is demonstrated to be possible while maintaining the efficient throughput and short-latency tim...
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...
Radio over Fiber Technology for Next-Generation E-Health in Converged Optical and Wireless Access Network
Optical communications Radio frequency photonics
2015/5/22
Development of system technology for effective networking infrastructure for next generation e-health applications is addressed. An integrated optical wireless access architecture based on radio-over-...
Architectural Optimization of Coherent Ultra-Dense WDM based Optical Access Networks
All-optical networks Coherent communications Networks
2015/5/22
Different architectures for achieving ultra-high aggregate data rate PON are compared and optimized. An ultra-dense scheme is used to set the limits for the technology and a strategy for minimizing in...
Coherent technology is the only viable solution to fulfill requirements regarding data rate, reach and splitting factor for optical access. Cost of optics is compensated by savings in system design to...
A 10 Gb/s Passive-Components-based WDM-TDM Reconfigurable Optical Access Network Architecture
Optical communications Networks
2015/5/22
We propose a cost-effective, reconfigurable optical access network by employing passive components in the remote node and dual conventional optical transceivers in ONUs. The architecture is demonstrat...