Light Reading
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


Flash Poll
From The Founder
It's clear to me that the communications industry is divided into two types of people, and only one is living in the real world.
LRTV Interviews
The New Wave of IP + Optical Integration

11|21|14   |   04:29   |   (7) comments


At the Alcatel-Lucent Technology Symposium, Heavy Reading senior analyst Sterling Perrin talks about how SDN has reshaped the discussion around packet and optical integration.
LRTV Huawei Video Resource Center
Huawei Highlights at BBWF 2014

11|20|14   |   3:40   |   (1) comment


Broadband World Forum is one of the world's largest telecoms, media and technology events with over 7,800 senior executives from across the globe converging on Amsterdam every year to identify the Next Big Thing. BBWF is an exciting place to meet the entire industry under one roof and identify the latest in network innovation, service optimization and customer ...
LRTV Huawei Video Resource Center
How Will BCMS Stimulate Margin for Broadband Operators?

11|19|14   |   6:52   |   (0) comments


In BBWF 2014, Liu Shuqing emphasizes the value of FMC 2.0 based full service experience by throwing light on the BCMS solution. The underlying principle of this innovative technique is to create network robustness and driving network from connection oriented to ACE – BAND oriented infrastructure, in which applications, cloud, and user experiences will be an asset ...
LRTV Huawei Video Resource Center
SingleFAN3.0: Better Connected Experience

11|19|14   |   3:06   |   (1) comment


At the BBWF 2014, David Hu, the VP of Huawei Access Network Product Line, talked about the future of access networks – SingleFAN3.0: faster broadband, wider coverage, and smarter connection.
LRTV Interviews
Basil Alwan Interview: The Road to Cloud

11|19|14   |   09:09   |   (0) comments


Alcatel-Lucent's head of IP and Transport talks about the migration towards a web-like networking environment, the impact of the cloud, SDN and NFV, and the yet-to-be-announced FP4 chip.
LRTV Documentaries
FairPoint Makes a Fair Point About Analytics

11|19|14   |   1:56   |   (1) comment


The US-based communication service provider gets to grips with advanced analytics, tackling data and breaking down the silos within its own business.
LRTV Documentaries
Analytics Lets C Spire Get to Know Subs

11|19|14   |   3:01   |   (2) comments


It's all about the data for US operator C Spire as it uses analytics to personalize its customer service down to individual subscribers.
LRTV Interviews
Nuage Branches Out With SDN: CEO Interview

11|17|14   |   9:32   |   (0) comments


Sunil Khandekar, CEO of Alcatel-Lucent's SDN-focused unit Nuage Networks, talks about the opportunities and challenges of breaking out of the data center into wide-area networks.
Light Reedy
Telecom Analytics Grows Up

11|14|14   |   1:15   |   (4) comments


The big data analytics debate has moved on from a year ago, with some experts suggesting it's no longer a technology challenge.
LRTV Huawei Video Resource Center
Huawei Compass

11|14|14   |   3:17   |   (1) comment


At OpenStack Summit 2014, Shuo Yang, Huawei Principal Cloud Infrastructure Architect introduced Huawei Compass, the software tool for solving customers' problems on the journey of OpenStack Cloud.
LRTV Huawei Video Resource Center
Huawei's Cloud Strategy in European Region

11|14|14   |   2:56   |   (1) comment


At OpenStack Summit 2014, Dr. Gotz, CTO of Huawei IT in European Region introduced Huawei's cloud strategy in European region.
LRTV Huawei Video Resource Center
Huawei's Contribution on OpenStack

11|14|14   |   5:58   |   (0) comments


At OpenStack Summit 2014, Dennis Gu, Huawei Chief Architect of Cloud Computing introduced the relationship between OpenStack and cloud computing, and Huawei's contribution on OpenStack.
Upcoming Live Events
December 2, 2014, New York City
December 3, 2014, New York City
December 8-10, 2014, Reykjavik, Iceland
February 12, 2015, Atlanta, GA
April 14, 2015, New York City, NY
May 6, 2015, McCormick Convention Center, Chicago, IL
May 13-14, 2015, The Westin Peachtree, Atlanta, GA
June 9-10, 2015, Chicago, IL
Infographics
Irish Telecom outlines the rise of VoIP technology, including its adoption within businesses and their perception of its quality.
Hot Topics
Bell Labs Chief Slams 'Toy' Networks
Robert Clark, 11/19/2014
$38.3M: Ain't That a Kik in the SMS
Sarah Reedy, Senior Editor, 11/20/2014
Do You Have a 2020 Vision?
Dennis Mendyk, Vice President of Research, Heavy Reading, 11/21/2014
The New Wave of IP + Optical Integration
Ray Le Maistre, Editor-in-chief, 11/21/2014
Google, AT&T, BT Unite on Network Data Models
Carol Wilson, Editor-at-large, 11/20/2014
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