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Beginners' Guides
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Mobile WiMax
Beginners' Guides  | 
5/14/2007  |  Post a comment
Worldwide Interoperability for Microwave Access, for faster, more robust radio links
Optical Modulation
Beginners' Guides  | 
11/19/2001  |  12 comments
The switching on and off of laser light in order to represent information in an optical network
Optical Detection & Regeneration
Beginners' Guides  | 
10/9/2001  |  Post a comment
The conversion of noisy optical signals into clean electrical signals
Optical Networks
Beginners' Guides  | 
8/2/2001  |  Post a comment
Optical fibers connecting locations many miles apart, and carrying information in the form of on-off flashes of laser light
Optical Fiber
Beginners' Guides  | 
8/2/2001  |  18 comments
Very thin strands of pure silica glass through which laser light travels in an optical network
Wavelength Division Multiplexing (WDM)
Beginners' Guides  | 
8/2/2001  |  149 comments
Transmitting many different colors (wavelengths) of laser light down the same optical fiber at the same time, in order to increase the amount of information that can be transferred
Formatting for Transmission
Beginners' Guides  | 
8/1/2001  |  1 comment
The conversion of data into 1s and 0s, and the different ways in which these signals can be transmitted through optical fiber
Optical Networking Glossary
Beginners' Guides  | 
8/1/2001  |  5 comments
Optical Units Reference
Beginners' Guides  | 
8/1/2001  |  Post a comment
Multipliers, Optical Power, Gain & Loss, Wavelength & Frequency, and Bandwidth & Optical Modulation Bandwidth
Protocol Basics
Beginners' Guides  | 
8/1/2001  |  6 comments
Forms of communication among network devices to enable the exchange of information
Sonet (Synchronous Optical NETwork) and SDH (Synchronous Digital Hierarchy)
Beginners' Guides  | 
8/1/2001  |  23 comments
Physical-layer protocol that frames data for fast and reliable transmission over optical fiber
Internet Protocol (IP)
Beginners' Guides  | 
8/1/2001  |  2 comments
A network-layer protocol that puts Internet data into packets and helps them to be routed over interconnected local area networks (LANs)
Multiprotocol Label Switching (MPLS)
Beginners' Guides  | 
8/1/2001  |  4 comments
A protocol for the swift routing of data streams, bringing improved performance and quality-of-service options to IP traffic
Asynchronous Transfer Mode (ATM)
Beginners' Guides  | 
8/1/2001  |  12 comments
A data-link layer protocol allowing integration of voice and data with the ability to provide quality-of-service guarantees
Ethernet
Beginners' Guides  | 
8/1/2001  |  79 comments
A data-link layer protocol commonly used to transfer Internet Protocol (IP) packets over cables in local area networks (LANs)
Digital Wrappers and Forward Error Correction (FEC)
Beginners' Guides  | 
8/1/2001  |  16 comments
An encapsulation method for traffic of all protocols, allowing an optical network to be protocol transparent, its functions to be managed in an efficient manner, and its data to be transmitted more reliably
Laser Basics
Beginners' Guides  | 
8/1/2001  |  Post a comment
Devices giving out intense light at one specific color
Distributed Feedback (DFB) Lasers
Beginners' Guides  | 
8/1/2001  |  Post a comment
Lasers giving out a very sharply defined color of light
Tunable Lasers
Beginners' Guides  | 
8/1/2001  |  9 comments
Lasers that can be adjusted to emit one of several different wavelengths
Vertical Cavity Surface Emitting Lasers (VCSELs)
Beginners' Guides  | 
8/1/2001  |  Post a comment
Lasers that emit light from their surface in contrast with regular 'edge emitters'
Optical Amplification
Beginners' Guides  | 
8/1/2001  |  Post a comment
Boosting of an optical signal without any conversion of the light into an electrical signal
Erbium Doped-Fiber Amplifiers (EDFAs)
Beginners' Guides  | 
8/1/2001  |  7 comments
Optical amplifiers made of short lengths of optical fiber doped with the element 'erbium'. A laser excites erbium ions in the fiber, which can then give their energy to optical signals passing through
Raman Amplification
Beginners' Guides  | 
8/1/2001  |  25 comments
Optical amplification process throughout the actual transmission fiber in an optical network, caused by a carefully selected pump-laser wavelength scattering from atoms in the fiber and changing its wavelength to that of the optical signal
Semiconductor Optical Amplifiers (SOAs)
Beginners' Guides  | 
8/1/2001  |  4 comments
Similar to regular lasers, but with an optical signal being amplified by stimulating light emission
Nonlinear Effects
Beginners' Guides  | 
8/1/2001  |  Post a comment
High optical powers causing various effects on signals in optical fibers, usually detrimental
Chromatic Dispersion and Polarization Mode Dispersion (PMD)
Beginners' Guides  | 
8/1/2001  |  Post a comment
The spreading out of light pulses in time due to different wavelengths traveling at different speeds (chromatic dispersion) or different polarization states traveling at different speeds (polarization mode dispersion)
Arrayed Waveguide Gratings (AWGs)
Beginners' Guides  | 
8/1/2001  |  Post a comment
Integrated optical circuits that can combine (multiplex) or separate (demultiplex) different wavelength signals in an optical network
Fiber Bragg Gratings (FBGs)
Beginners' Guides  | 
8/1/2001  |  8 comments
Small sections of optical fiber that act like selective mirrors, only reflecting back specific wavelengths
Submarine Systems
Beginners' Guides  | 
8/1/2001  |  Post a comment
Optical fiber links connecting countries through the world's oceans
Optical Crossconnects
Beginners' Guides  | 
8/1/2001  |  41 comments
Devices that can switch optical signals between different optical fibers, without the need for conversion to electrical signals
Advanced Fiber Types
Beginners' Guides  | 
8/1/2001  |  1 comment
Optical fiber designed to work with, or in place of, conventional fiber in order to improve overall system performance


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LRTV Interviews
CenturyLink: Building the Case for NFV

12|19|14   |   02:14   |   (0) comments


At the 2020 Vision Executive Summit, James Feger, VP, Network Strategy & Development at CenturyLink, talks about how the US operator is approaching virtual network functions from an operational and business case perspective.
LRTV Interviews
Liberty Global Sees Business Goldmine

12|18|14   |     |   (0) comments


Steen Sorensen, VP of business services for Liberty Global, explains where the giant international MSO sees growth potential.
LRTV Documentaries
EE: The Road to 5G

12|16|14   |   16:02   |   (1) comment


Andy Sutton, the principal network architect at UK mobile operator EE, explains how his company is using Wembley stadium as a wireless test bed and how that's helping EE to plan the evolution to 5G.
LRTV Huawei Video Resource Center
Highlights of Huawei's NFV Open Cloud Forum 2014

12|16|14   |     |   (0) comments


Huawei hosted its inaugural NFV Open Cloud Forum during the SDN & OpenFlow World Congress 2014 in Düsseldorf, Germany. The Forum brought together technology thought leaders, senior executives and telecom professionals from global carriers, industry associations, as well as other partner companies in the ecosystem, to exchange views on and collectively explore how ...
LRTV Custom TV
Realizing Operators' Digital Vision

12|16|14   |   5:23   |   (0) comments


Leveraging technology is fundamental to digital transformation but understanding customers and serving them really well is at the heart of digital businesses. TM Forum lists the following as the strategic pillars of the digital business: business agility and rapid innovation, operational agility and effectiveness, IT and data centricity, plus customer centricity. ...
LRTV Documentaries
US Cellular Injects Analytics Into LTE

12|16|14   |   2:57   |   (1) comment


US Cellular's Mario Vela explains how the operator uses analytics for network planning and what comes next as the carrier looks to eke more value out of its metrics.
LRTV Interviews
How Cox Biz Plans to Keep Growing

12|15|14   |     |   (2) comments


Steve Rowley, SVP of Cox Business, details how the third-biggest US MSO intends to boost its revenues to $2 billion and beyond over the rest of the decade
LRTV Huawei Video Resource Center
Interview With Bill Zhang, Director of SoftCOM Product Management, Huawei

12|15|14   |   2:50   |   (0) comments


Bill Zhang elaborated on Huawei's open philosophy in NFV solution development and network architecture design at the SDN & OpenFlow World Congress 2014.
LRTV Huawei Video Resource Center
Event Highlights: Huawei at SDN & OpenFlow World Congress 2014

12|15|14   |   3:43   |   (0) comments


Huawei joined the 2014 SDN & OpenFlow Congress as one of the key sponsors and contributors. At the event, Huawei reinforced the openness and flexibility of its network infrastructure strategies, and provided updates on its SDN and NVF innovations. Through participations at the exhibitions, forums and speeches, Huawei encouraged the industry to "think bigger and ...
LRTV Interviews
How Cable Biz Services Hit $10B Mark

12|12|14   |     |   (1) comment


Cable operators reached $10 billion in annual business services revenues by delving deeper into their vertical markets and expanding beyond the smallest firms.
LRTV Documentaries
Mediacom Aims to Test Connected Tractors

12|11|14   |   05:07   |   (3) comments


Cable business service provider is taking its services to the 'agribusiness' sector in partnership with farm equipment specialist John Deere and is getting involved in Gigabit Cities developments.
LRTV Interviews
TWC Business Looks Beyond $3B

12|10|14   |     |   (0) comments


TWC Business Services chief Phil Meeks explains how his unit has reached $3 billion in annual revenues and what its plans are for next year.
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