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Deploying 802.11n for improved wireless LAN performance
This series examines how deploying 802.11n can improve your enterprise’s wireless LAN performance enabling mobility services that make workforces informed and productive. With 802.11n you can extend your network to deliver multimedia over wireless ma... Tutorial
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802.11n WLAN design best practices
Discover best practices for designing and deploying an 802.11n wireless LAN, from RF design and band/channel selection to access point placement for coverage and capacity. After reading this section, you will understand where to start when adding 802... Tutorial
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802.11n migration: Supporting legacy devices
Lisa Phifer explains how your 802.11n migration provides support for legacy client devices that are already used for best-effort data applications like Internet access and email, identifying best practices for migration. After reading this section, y... Tutorial
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Delivering video over your 802.11n wireless LAN
Learn about delivering video over your 802.11n wireless LAN. Discover the features that affect video streaming, and identify benefits and limitations related to techniques like multicast and airtime fairness that must be considered in order to delive... Tutorial
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Optimizing 802.11n for voice over wireless LAN
Understand the impacts that 802.11n can have on voice applications and discover techniques to deliver toll-quality voice over wireless LAN, including WMM prioritization, call admission and fast roaming. You’ll gain insight into why a well-designed da... Tutorial
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Doing more with spectrum analysis: Cisco CleanAir
Wireless engineers have had spectrum analysis in their toolboxes for a long time, but the CleanAir solution from Cisco integrates the tool directly into the WLAN infrastructure. Network administrators who deploy this enhanced level of spectrum intell... TechWatch
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Interop wireless: Jury's out on TV white space, all-wireless enterprise
At Interop New York, vendors will be touting new wireless LAN architecture and the introduction of TV white space spectrum to enable the all-wireless enterprise. But Interop wireless conference track experts don't agree on whether the all-wireless en... Slideshow
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Interop enterprise mobility: You are your mobile user's keeper
During the Interop New York enterprise mobility conference track, users will be seeking enterprise mobility security and management strategies to handle the plethora of personal mobile devices on their enterprise networks. Slideshow
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Interop New York: Enterprise mobility and WLAN architecture grow up
Wireless LAN architecture changes and enterprise mobility will be hot topics at Interop New York. Users will learn how to handle the security and management issues surrounding personal mobile devices in the enterprise, as well as how to prepare for n... Q&A
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How to configure wireless LAN security
Learn how to configure wireless LAN security, including choosing the right security standard and setting up a Robust Security Network. In this PrepLogic training video, you'll learn Cisco Aironet 1200 configuration for security, as well as troublesho... Videos
- See More: Essential Knowledge on Wireless LAN Implementation
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Application-aware networking flies under radar at Interop 2012
At Interop 2012, clear signs emerge that application-aware networking is becoming a reality. Fast Packet | 10 May 2012
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Interop 2012: OpenFlow grows up, Google gets networks, Huawei debuts
News Director Shamus McGillicuddy previews what he'll be tracking at Interop 2012: Software-defined networking a year older and wiser, BYOD madness and Huawei blitzes America. FastPacket | 04 May 2012
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WLAN design with Wi-Fi beamforming solves warehouse network problems
Warehousing firm WOW Logistics solved its WLAN design troubles with Wi-Fi beamforming from Ruckus Wireless. News | 24 Apr 2012
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Meru offers virtual wireless LAN controller, iPad management app
Meru introduced a virtual wireless LAN controller as an alternative to hardware-based appliances and virtual versions of its E(z)RF management suite. News | 20 Mar 2012
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Alcatel-Lucent enterprise chief on pushing into North America
In this Q&A, Alcatel-Lucent enterprise division president Michel Emelianoff explains how his company will win over North America customers. Q&A | 15 Mar 2012
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Wireless intrusion prevention system smartens school district Wi-Fi
With AirMagnet’s wireless intrusion prevention system and RF spectrum analysis, a large school district improved wireless LAN security and solved Wi-Fi interference problems. News | 09 Feb 2012
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Cisco Live London: Cisco debuts 4x4 MIMO wireless LAN access point
At Cisco Live London, Cisco introduced a three-stream 4x4 MIMO wireless LAN access point, the faster and longer-range Aironet 3600. News | 31 Jan 2012
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Network technology trends for 2012: Wireless LAN and BYOD
Craig Mathias of Farpoint Group shares his predictions for the wireless LAN industry in 2012, as BYOD forces enterprises to rethink their management approaches. News | 22 Dec 2011
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Adtran WLAN access points enable integrated wireless and wired network
With a software upgrade to its Bluesocket wireless access points, Adtran offers an integrated wireless and wired network option. News | 08 Dec 2011
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Ruckus joins real-time wireless channel selection fray
With real-time wireless channel selection, Ruckus is promising advanced RF management and optimization, but testing for the technology is still in order. News | 01 Dec 2011
- See More: News on Wireless LAN Implementation
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Myth vs. Reality: Cloud-managed Wireless LAN
New cloud-managed wireless LAN services have many users wondering whether Wi-Fi management as a service is dependable. Wireless expert Lisa Phifer goes on a myth-busting mission. Tip
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Optimizing network performance for WLAN real-time applications
Transitioning to WLAN calls for network infrastructure upgrades, making supporting real-time applications tricky. This guide explains strategies for optimizing network performance. Tip
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How to make enterprise wireless LAN work
The size of an enterprise WLAN brings new technical challenges. Now vendors are tackling issues of capacity management and automated provisioning for mobile clients. Tip
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Three enterprise cellular options
When building a more complex WLAN for mobile devices is not a viable choice, there are a few enterprise cellular options that can extend coverage. Tip
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Planning ahead for gigabit wireless LAN migration
In the era of gigabit wireless LAN migration, it is important to recognize key details of this kind of investment, and be prepared for 802.11ac and 802.11ad standards. Tip
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Understanding gigabit Wireless LAN: 802.11ac and 802.11ad
Just when enterprises are getting comfortable with 802.11n technology, enter gigabit wireless LAN standards 802.11ad and 802.11ac, which could produce draft products in a year. Tip
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Securing the wireless guest network: Authentication and management
If you're implementing an enterprise-class wireless guest network, tighter security is crucial. A guest wireless LAN must support better visibility and user control. Tip
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WLAN testing: Wireless intrusion prevention systems and centralized testing tools
WLAN testing has grown to accommodate the full-time surveillance necessary for super-speed 802.11n technology and mobile applications. Now WLAN testing can be done with AP-based wireless intrusion prevention systems and more. Tip
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How to upgrade the WLAN for mobile applications
In order to upgrade WLANs for mobile devices and mobility applications, network managers must implement 802.11n technology, and WLAN architectures that can handle lossless applications like VoIP and other unified communications. Tip
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Integrated wireless network management systems work across infrastructures
Enterprises must implement integrated wireless network management systems that are user-aware and offer end-to-end visibility but also provide the drill-down capabilities of wired network management systems. Tip
- See More: Tips on Wireless LAN Implementation
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Multiple access point configuration: Distinguish transmitted signals
Lisa Phifer explains multiple access point configuration when a device tries to differentiate transmitted signals from each point and explains potential issues. Answer
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Why enhance Wi-Fi ad hoc mode? Most go with Wi-Fi Direct
Wireless expert, Lisa Phifer explains that it may not be worth enhancing Wi-Fi ad hoc mode since Wi-Fi Direct is a better alternative for enabling two stations to communication directly. Answer
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Mi-Fi and Android smartphone mobile hotspot comparison
Wireless expert Lisa Phifer responds to a question regarding a Mi-Fi and Android smartphone mobile hotspot comparison. She provides an in depth analysis of both mobile hotspots, and also examples for uses of both. Answer
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Designing WiFi access for a hotel
Wireless expert Lisa Phifer tackles the basics of providing wireless access in a hotel. Ask the Expert
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Access point problems running on PoE
Powering a wireless access point using Power over Ethernet is usually a straightforward process, but troubleshooting an issue can be tricky. Wireless expert Lisa Phifer steps through some possible solutions and where to look for additional help in de... Ask the Expert
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Extending 802.11n wireless LAN and connecting two WLANs
Extending 802.11 WLANs inside a large office can be done by bridging access points together, while outdoor mesh solutions can be used to connect two WLANs between buildings on a small campus. Ask the Expert
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Do I need 802.11n wireless adapters for laptops and PCs to install 802.11n?
You don't need 802.11n wireless adapters for your laptops or PCs in order to install 802.11n and make use of 802.11n MIMO since most 802.11n APs are backward compatible, but you may need new client hardware. Ask the Expert
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How can I increase throughput on my wireless mesh network?
We have installed a wireless mesh network that connects two access points (APs) to mesh nodes that are mounted at 25 meters high on 23 light poles. Poles are distributed around a container yard that measures 650 meters by 1,000 meters. There are six ... Ask the Expert
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Why is my network adapter not working after a Vista Business upgrade?
Learn why operating system upgrades affect older peripherals and what you can do to avoid these problems, from our wireless networking expert Lisa Phifer. Ask the Expert
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How many wireless base stations can connect to 802.11g access points?
Our wireless networking expert, Lisa Phifer, talks about the information you need in order to support additional clients on 802.11g access points (APs), in this advice. Ask the Expert
- See More: Expert Advice on Wireless LAN Implementation
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patch antenna
Definition
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wireless mesh network (WMN)
A wireless mesh network (WMN) is a mesh network created through the connection of wireless access points installed at each network user's locale. Definition
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beamforming
Beamforming is a type of RF (radio frequency) management in which an access point uses multiple antennas to send out the same signal. Definition
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cognitive radio (CR)
Cognitive radio (CR) is a form of wireless communication in which a transceiver can intelligently detect which communication channels are in use and which are not, and instantly move into vacant channels while avoiding occupied ones... (Continued) Definition
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radio frequency (RF, rf, orr.f.)
Radio frequency (abbreviated RF, rf, orr.f.) is a term that refers to alternating current (AC) havingcharacteristics such that, if the current is input to an antenna, an electromagnetic (EM) field is generated suitable for wireless broadcastingand/or... Definition
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direct sequence spread spectrum (DSSS) or direct sequence code division multiple access (DS-CDMA)
Direct sequence spread spectrum, also known as direct sequence code division multiple access (DS-CDMA), is one of two approaches to spread spectrum modulation for digital signal transmission over the airwaves. Definition
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phase-locked loop (PLL)
A phase-locked loop (PLL) is an electronic circuit with a voltage- or current-driven oscillator that is constantly adjusted to match in phase (and thus lock on) the frequency of an input signal. Definition
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frequency-hopping spread spectrum
Frequency hopping is one of two basic modulation techniques used in spread spectrum signal transmission. Definition
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Asynchronous Pulsed Radiated Incident Light
Asynchronous Pulsed Radiated Incident Light is a multi-duplicitous communication protocol (MDCP) used to configure wireless local area networks (WLANs) on the fly. Definition
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802.11a
802.11a is one of several specifications in the 802.11 family applicable to wireless local area networks (wireless LANs or WLANs). Definition
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All-wireless enterprise networks
Learn about all-wireless enterprise networks, including how they look and common obstacles, in this video. Video
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TV white space spectrum and the enterprise network
With newly available TV white space spectrum in play, what does this mean for enterprise networks? In this video, learn about how the white space frequencies will affect wireless access, and how the opening of this white space spectrum should affect ... Video
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How to approach wireless LAN architectures
A poorly planned wireless LAN architecture can spell disaster for a wireless network. In this video, expert Lisa Phifer gives tips and advice on WLAN architectures, including a controller-centric approach and a decentralized/controller-less/smart AP ... Video
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Deploying high performance enterprise wireless LANs, screencast video
Learn how to deploy and build a high performance enterprise wireless local area network (WLAN) with emerging technology improvements like 802.11n in order to boost network performance speeds. Video
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Wireless LAN vulnerabilities
Learn about common wireless LAN vulnerabilities and how a few best practices can change wireless LAN issues from a problem into a helpful tool for any enterprise in this 10-minute podcast with Burton Group analyst Paul DeBeasi. Podcast
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Wireless LAN management strategies
Implementing a WLAN is straightforward, but making sure it runs optimally can be challenging. Luckily, networking professionals can control and maintain their wireless networks by using well-known methodologies based on the OSI model. Here we outline... Audiocast
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Application-aware networking flies under radar at Interop 2012
At Interop 2012, clear signs emerge that application-aware networking is becoming a reality. Fast Packet
-
Interop 2012: OpenFlow grows up, Google gets networks, Huawei debuts
News Director Shamus McGillicuddy previews what he'll be tracking at Interop 2012: Software-defined networking a year older and wiser, BYOD madness and Huawei blitzes America. FastPacket
-
WLAN design with Wi-Fi beamforming solves warehouse network problems
Warehousing firm WOW Logistics solved its WLAN design troubles with Wi-Fi beamforming from Ruckus Wireless. News
-
Myth vs. Reality: Cloud-managed Wireless LAN
New cloud-managed wireless LAN services have many users wondering whether Wi-Fi management as a service is dependable. Wireless expert Lisa Phifer goes on a myth-busting mission. Tip
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Meru offers virtual wireless LAN controller, iPad management app
Meru introduced a virtual wireless LAN controller as an alternative to hardware-based appliances and virtual versions of its E(z)RF management suite. News
-
Alcatel-Lucent enterprise chief on pushing into North America
In this Q&A, Alcatel-Lucent enterprise division president Michel Emelianoff explains how his company will win over North America customers. Q&A
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Wireless intrusion prevention system smartens school district Wi-Fi
With AirMagnet’s wireless intrusion prevention system and RF spectrum analysis, a large school district improved wireless LAN security and solved Wi-Fi interference problems. News
-
Cisco Live London: Cisco debuts 4x4 MIMO wireless LAN access point
At Cisco Live London, Cisco introduced a three-stream 4x4 MIMO wireless LAN access point, the faster and longer-range Aironet 3600. News
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Optimizing network performance for WLAN real-time applications
Transitioning to WLAN calls for network infrastructure upgrades, making supporting real-time applications tricky. This guide explains strategies for optimizing network performance. Tip
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Network technology trends for 2012: Wireless LAN and BYOD
Craig Mathias of Farpoint Group shares his predictions for the wireless LAN industry in 2012, as BYOD forces enterprises to rethink their management approaches. News
- See More: All on Wireless LAN Implementation
About Wireless LAN Implementation
Learn how to set up a wireless local area network (WLAN) and what equipment is needed, in the implementation section of our WLAN topics. Wireless LAN products and devices -- such as wireless access points (WAPs), routers, switches, antennas and controllers -- are evaluated for specific network environments. Explanations of Wi-Fi installation, configuration and design planning can help networking pros obtain the best signal coverage and reduce RF interference for their business WLANs.
Network Management Strategies for the CIO