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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


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 Custom TV
Razorsight Expert's Advice on Real-Time Analytics

11|27|14   |   1:43   |   (0) comments


Razorsight's powerful cloud-based Predictive Analytics solutions are used by the world's leading communications and media brands to drive smarter decisions, enable faster actions and optimize outcomes. Get expert advice.
LRTV Interviews
From 4G to 5G: Alcatel-Lucent's Dave Geary

11|25|14   |   09:09   |   (1) comment


Dave Geary, President of Wireless at Alcatel-Lucent, talks about the evolution of the 4G market, small cells, partnerships, 5G and the IoT.
LRTV Huawei Video Resource Center
Building a Secure Telefonica Network With Huawei's High-End Firewall

11|24|14   |   4:37   |   (0) comments


Andrew Davies, IP architect of the Telefonica, a leading digital communications company, discusses the Huawei security gateway solution and putting the solution into the testbed.
LRTV Huawei Video Resource Center
Huawei Partners with Spirent to Verify CE12816's 10GE Port & TRILL Networking Capabilities

11|24|14   |   2:50   |   (0) comments


Spirent Communications is the world's leading supplier for telecom testing appliances and solutions. Spirent has been in a close partnership with Huawei for a long time.
LRTV Huawei Video Resource Center
Saudi Airlines & Its ICT Transformation

11|24|14   |   2:07   |   (0) comments


In this video, Saudi Airlines discusses its network problems and how Huawei's Agile Network is its all-in-one solution.
LRTV Huawei Video Resource Center
Huawei's Agile Switch Benefiting Saudi Arabia's Yamamah Hospital

11|24|14   |   2:40   |   (0) comments


Saudi Arabia's Yamamah Hospital speaks about how Huawei's Agile Switch has improved the medical service's network infrastructure.
LRTV Huawei Video Resource Center
FanPlay & Huawei Build a Wireless Agile Smart Stadium

11|24|14   |   2:13   |   (0) comments


FanPlay is a cloud-based white label service, which is effectively a football fan engagement platform underpinned by mobile payment technology.
LRTV Huawei Video Resource Center
Building an Agile Stadium

11|24|14   |   3:54   |   (0) comments


Stadiums may be thousands of tons of concrete and steel, but they now need to be agile. Being at the stadium may not be as alluring as it once was. Sports franchises and stadium operators discuss how to get fans back.
LRTV Huawei Video Resource Center
Huawei Helps ChinaCache Tackle Challenges in the Internet Industry

11|24|14   |   3:09   |   (0) comments


ChinaCache is China's largest content distribution network supplier. Huawei's CE12800 has provided ChinaCache with very strong support in its establishment of an infrastructure network.
LRTV Huawei Video Resource Center
Cefinity on Managed Security Services & Next-Generation Firewall

11|24|14   |   7:05   |   (0) comments


Cefinity is a cloud management service provider in Southeast Asia. Ivan Zhang, CEO of the company, discusses the implementation of security service management in the cloud era.
LRTV Huawei Video Resource Center
Huawei's Agile Gateway in the Eyes of Cefinity

11|24|14   |   2:11   |   (0) comments


Cefinity is a managed service provider for enterprise networks. The company currently uses Huawei's AR series routers for the most complete range of functions. CEO Ivan Zhang speaks about the advantages of the AR series routers.
LRTV Huawei Video Resource Center
CTO of Bus-Online Talks About Huawei's Agile Gateway

11|24|14   |   2:53   |   (0) comments


Bus-Online covers around 100 million users everyday. In addition to providing mobile TV, and advertising services to the public, Bus-Online has also entered the field of mobile Internet.
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December 2, 2014, New York City
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February 10, 2015, Atlanta, GA
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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
Net Neutrality Even Mark Cuban Could Love
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Do You Have a 2020 Vision?
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New Juniper CEO Can Be Thankful for $14.5M
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Eurobites: Net Neutrality Battle Looms
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