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Cognio, Inc. builds RF (radio frequency) spectrum analysis solutions that find and solve wi-fi channel interference problems on wireless networks and in wireless applications, such as RFID. Designed for the frequency bands in common use today (802.11a/b/g and RFID), Cognio's product, Spectrum Expert, helps network engineers analyze, diagnose, and locate sources of 802.11 interference within the enterprise's RF environment. Cognio was acquired by Cisco Systems in 2007.

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Wikipedia About Cognio

Cognio, Inc. builds RF (radio frequency) spectrum analysis solutions that find and solve wi-fi channel interference problems on wireless networks and in wireless applications, such as RFID. Designed for the frequency bands in common use today (802.11a/b/g and RFID), Cognio's product, Spectrum Expert, helps network engineers analyze, diagnose, and locate sources of 802.11 interference within the enterprise's RF environment. Cognio was acquired by Cisco Systems in 2007.

Company overview

Cognio has been shipping the Spectrum Expert WiFi management software since the spring of 2005 and has built a base of over a thousand customers. Cognio sells its wireless Internet connectivity solutions directly, through resellers, and through OEM partnerships with companies such as AirMagnet, Fluke Networks, and WildPackets. Cognio is headquartered in Germantown, Maryland (near Washington, D.C.), USA, and is privately held with investments from North Bridge Venture Partners, ABS Ventures, and Avansis Ventures. The company currently has 35 employees. Cognio has been granted 12 patents, and has submitted 172 patent applications for its RF analysis technology. Cognio's Market: Spectrum Analysis Software for Enterprise Communications Cognio sells its WiFi spectrum analyzer products primarily to network engineers and field service engineers responsible for security for wireless networks or applications that run on wireless networks. These engineers need to be able to troubleshoot an RF interference pattern or problems that hamper wireless communications.

In a wireless network, devices communicate by transmitting radio waves. Each type of network operates in a specific range of radio wave frequencies. This range is called a spectrum.

IEEE 802.11 wireless networks operate in an unlicensed spectrum. That is, their frequency bands are not licensed by the FCC or other organizations exclusively for 802.11 traffic. Instead, the spectrum is shared with many other types of devices, such as cordless phones and Bluetooth devices. Because it was designed for use in a shared spectrum, 802.11 technology checks to see if the airwaves are sufficiently clear before transmitting messages. This means that if the airwaves are crowded with other radio signals, an 802.11 device will shut itself out of communications.

There are many possible sources of RF interference for 802.11 networks. First, other nearby 802.11 WLANs may cause wi-fi channel interference. Second, other communication devices that share the same spectrum—devices such as Bluetooth headsets—may cause 802.11 interference. Third, interference may originate from the radio energy given off by other electronic devices, such as video cameras and microwave ovens.

RF interference may result in slow network performance and dropped connections. Devices such as RF jammers and certain types of video cameras can prevent WLANs from communicating at all.

Most WLAN management tools do not measure or analyze RF interference problems. They monitor only Layers 2 and up in the OSI model. They might report that performance is slow, but they are typically unable to report that slow performance is caused by WiFi interference. Consequently, WLAN network engineers detecting poor connectivity in wireless internet areas are often left without any WiFi tools for analyzing RF interference, for measuring the effects of RF interference on specific channels of a network, and for identifying the type and location of sources of interference.

Search results for Cognio

Cisco to acquire Cognio

Cisco will acquire wireless spectrum analysis and management vendor Cognio in a deal that will give Cisco a leg-up on wireless and mobility.searchnetworking.techtarget.com/news/article/0,289142,sid7_g...

Cisco to acquire wireless-management firm Cognio - Network World

Cisco this week said it will purchase privately held Cognio, a maker of spectrum analysis and management systems for wireless networks.www.networkworld.com/news/2007/091807-cisco-cognio.html

Cognio Spectrum Expert for Wi-Fi

This pricey tool could be invaluable in helping find the items interfering with the radio waves ... ( Cognio also offers an optional directional antenna for ...www.wi-fiplanet.com/reviews/article.php/3602631

The RFID Weblog: Cognio and its RF Interference Detection Product

Sponsored Post Cognio is one of our advertisers here at the RFID Weblog. ... Cognio Gives RFID a Clear Read - 20 February 2006 ...www.rfid-weblog.com/50226711/cognio_and_its_rf_interference_...

Cognio - Company Profile on LinkedIn

View the Cognio company profile on LinkedIn. See recent hires and promotions, competitors and how you're connected to Cognio.www.linkedin.com/companies/cognio

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News about Cognio

Cisco Completes Cognio Buy

Unstrung.comSAN JOSE, Calif. -- CiscoR today announced that it has completed the acquisition of Cognio, Inc., the market leader in wireless spectrum analysis and management for wireless networks. Cognio's industry-leading spectrum technology enhances performance ... http://www.unstrung.com/document.asp?doc_id=135708

Roundup: Lot’s going on, here’s a summary

Venturebeat.comCisco buys Germantown, Md.’s Cognio, a wireless spectrum analysis and management company — Cognio locates and mitigates sources of radio frequency interference. Google releases Web-based presentation application, Presently — The annoucement is ... http://venturebeat.com/2007/09/18/roundup-lots-going-on-here...

Got Interference? Data-Crowding Problems Loom for Wi-Fi

WiredIt's a worse problem for a consumer than it is for an enterprise, because you have a lot more wireless gizmos in your space," says Neil Diener, chief technology officer for wireless-solutions provider Cognio. Most people don't notice interference ... http://www.wired.com/gadgets/wireless/news/2007/07/wifi_inte...

Cognio Adds Patents

Unstrung.comGERMANTOWN, Md. -- Cognio, the market leader in spectrum analysis and management for WiFi, today announced that it has been awarded its 16th US patent, and has several more pending issue in the coming months. Cognio’s comprehensive intellectual ... http://www.unstrung.com/document.asp?doc_id=124016

Cisco shows femtocell side

ZDNet AustraliaIn September it bought Cognio, a company that has developed technologies to better manage wireless spectrum while in October it acquired the WiMax equipment provider Navini for US$330 million. Meanwhile, other large technology companies have also ... http://www.zdnet.com.au/news/communications/soa/Cisco-shows-...

Search results for Cognio

Lighthouse Capital Partners

back: Restructuring for Success Cognio, Inc. started its life in 2000 as a wireless chip maker. While the idea initially demonstrated promise, the company soon discovered that ... http://www.lcpartners.com/portfolio_cognio.htm

The Wireless Weblog: Sponsored Post: Cognio Keeps Airports ...

Wireless Weblog sponsor Cognio helped Concourse Communications (recently acquired by Boingo ) to keep an eye on interference forhttp://www.wireless-weblog.com/50226711/sponsored_post_cogni...

Cognio Spectrum Expert for Wi-Fi

This pricey tool could be invaluable in helping find the items interfering with the radio waves around your wireless LAN. http://www.wi-fiplanet.com/reviews/article.php/3602631

Cognio | Way Cool Web Design LLC

John has always been a pleasure to work with. He has done a great job and has always been an expert! Will continue to work with him any chance possible."http://www.waycoolwebdesign.com/Projects/Cognio

Cognio Enhances Wi-Fi Analysis Tool - Wireless - Network Computing

An enhanced Spectrum Expert recommends fixes for a variety of wireless LAN problems.http://www.networkcomputing.com/showArticle.jhtml?articleID=...

Wikipedia results for Cognio

Cognio - Wikipedia, the free encyclopedia

Cognio, Inc. builds RF (radio frequency) spectrum analysis solutions that find and solve wi-fi channel interference problems on wireless networks and in wireless applications, such ... http://en.wikipedia.org/wiki/Cognio

Category:Radio-frequency identification - Wikipedia, the free ...

Cognio; Contactless payment; D. Dead drop; Digital Angel; Digital Rights Ireland; Digital Signature ... Retrieved from "http://en.wikipedia.org/wiki/Category:Radio-frequency_identification"http://en.wikipedia.org/wiki/Category:Radio-frequency_identi...

Meritech Capital Partners - Wikipedia, the free encyclopedia

Other notable investments include Thumbplay, Prosper Marketplace, Cognio, Azul Systems, Sourcefire and Fortinet. References ^http://en.wikipedia.org/wiki/Meritech_Capital_Partners

Category:Networking companies of the United States - Wikipedia, the ...

Cognio; ConSentry Networks; Cortina Systems; Crescendo Networks; Cryptek; D. Digi International ... Retrieved from "http://en.wikipedia.org/wiki/Category:Networking_companies_of_the ... http://en.wikipedia.org/wiki/Category:Networking_companies_o...

Category:Companies based in Maryland - Wikipedia, the free ...

Cognio; Controlled Demolition, Inc. Courtyard by Marriott; Crown Books; D. Daedalus Books ... Retrieved from "http://en.wikipedia.org/wiki/Category:Companies_based_in_Maryland"http://en.wikipedia.org/wiki/Category:Companies_based_in_Mar...
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Answers for Cognio

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