division multiplexing
WDM and SDM in Future Optical Networks
White Paper A comparison is made of the strengths and weaknesses of two multiplexing techniques: Wavelength Division Multiplexing (WDM) and Space Division Multiplexing (SDM). Increasing bandwidth demands, caused by growing numbers of users, increasing... [18 Jul 2008]
Multi-Deck Structure WDM Devices for Optical Networks
White Paper Wavelength Division Multiplexing (WDM) and Demultiplexing (WDDM) devices are considered to be one of the key elements in optical networks. WDM device by using conventional, such as thin film filter and AWG based devices can only be used as one... [18 Jul 2008]
A Review of Traffic Grooming in WDM Optical Networks: Architectures and Challenges
White Paper The transmission capacity of a link in today's optical networks has increased significantly due to Wavelength-Division Multiplexing (WDM) technology. The network performance is now mainly limited by the processing capability of the network elements... [18 Jul 2008]
Wavelength-Division-Multiplexed Passive Optical Network (WDM-PON) Technologies for Broadband Access: A Review [Invited]
White Paper Incorporating Wavelength-Division Multiplexing (WDM) in a PON allows one to support much higher bandwidth compared to the standard PON, which operates in the "Single-wavelength mode" where one wavelength is used for upstream transmission and a... [18 Jul 2008]
Optical Networks and the Future of Broadband Services
White Paper This paper presents a cost model that highlights the advantages of new optical networking technologies such as Dense Wavelength Division Multiplexing (DWDM) over traditional architectures for optical networks. [18 Jul 2008]
A Modular Gigabit Ethernet Backbone for NEPTUNE and Other Ocean Observatories
White Paper Internal node modules based on Gigabit Ethernet, point-to-point Wave Division Multiplexing (WDM) and TCP/IP (Internet) protocol technologies are employed to define communications building blocks used in the design of the NEPTUNE regional scale... [18 Jul 2008]
Optical Switching: Switch Fabrics, Techniques, and Architectures
White Paper Generalized multiprotocol label switching seeks to eliminate the asynchronous transfer mode and synchronous optical network layers, thus implementing Internet protocol over wavelength-division multiplexing. [18 Jul 2008]
Dynamic Injection Control Module for Optical Packet Switching Fabrics
White Paper Whereas electronic interconnection networks do not scale well when systems move toward high port counts, high data rates and large spatial volumes, fiberoptic technology can offer immense bandwidth utilizing Wavelength Division Multiplexing (WDM... [18 Jul 2008]
Ultra Low Latency Optical Networks
White Paper Employed techniques include a non-blocking, bufferless topology, single pulse packets incorporating Wavelength Division Multiplexing (WDM) for both routing header and payload data, and ultra-fast electro optical interfaces built from commercially... [18 Jul 2008]
Differentiated Quality-of-Protection Provisioning in Optical/MPLS Networks
White Paper This paper investigates the problem of dynamic survivable lightpath provisioning against single node/link failures in optical mesh networks employing wavelength-division multiplexing (WDM). This paper present a new approach to provisioning... [11 Jul 2008]
A CSMA/CP MAC Protocols for IP Over WDM Metropolitan Area Ring Networks
White Paper This paper proposed a novel MAN network architecture and protocol by using the Wavelength Division Multiplexing (WDM) technique to efficiently share the network bandwidth among every network nodes. To solve the explosively growth of the Internet... [11 Jul 2008]
A "Range-Bandwidth Per Joule" Comparison for UWB and OTDM Waveforms
White Paper As a result of the research around Orthogonal Time Division Multiplexing (OTDM) modulation, some conclusions have been obtained. This technical paper is based on another previous paper from Multispectral Solutions, Inc, published in 1998 and... [10 Jul 2008]
Gigabit Ethernet Technology and Services
White Paper Optical wavelength division multiplexing and transmission equipment that carry Gigabit Ethernet, and 10 Gigabit Ethernet in the future, directly over optical wavelengths are becoming available. Gigabit Ethernet connectivity from the user directly... [10 Jul 2008]
QoS Recovery Schemes Based on Differentiated MPLS Services in All-Optical Transport Next Generation Internet
White Paper Given this increasing demand for high bandwidth Internet with QoS assurances in the coming years, an IP/MPLS-based control plane combined with a wavelength-routed Dense Wavelength Division Multiplexing (DWDM) optical network is seen as a very... [10 Jul 2008]
TechNet Webcast: How to Do a Proof of Concept for Communications Server 2007 Interoperability With PBX Systems (Level 300)
White Paper Wondering how to take advantage of the existing Time Division Multiplexing (TDM) or IP Private Branch Exchange (PBX) infrastructure for unified communications? If so, join this webcast to get the information needed to deploy Microsoft Office... [09 Jul 2008]
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