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The Impact of Channel Bonding on 802.11n Network Management

The Impact of Channel Bonding on 802.11n Network Management

The IEEE 802.11n standard allows wireless devices to operate on 40MHz-width channels by doubling their channel width from standard 20MHz channels, a... Read more

9 December, 2011

Next-generation 802.11ac routers

...802.11ac, which is a 5GHz-only technology, mandates support for 20MHz, 40MHz and the 802.11ac-specific 80MHz channels, 64 QAM modulation plus a... Read more

21 May, 2012
ZyXEL NWA3160-N

ZyXEL NWA3160-N

...is a 2x2 MIMO design. Oddly, Zyxel's implementation doesn't support 40MHz channels in 2.4GHz mode, limiting PHY data rates to 150Mbps. The... Read more

11 July, 2011 by Kelvyn Taylor

Qualcomm may use MediaFLO spectrum for data

...But even if it sells the platform, it will still have the 40Mhz of UK spectrum that it bought for £8.3m in 2008... Read more

13 September, 2010

Qualcomm signals sale of mobile-TV platform

...in the next year." In 2008 Qualcomm spent £8.3m on purchasing 40MHz of the UK spectrum, with analysts tipping the spectrum as a prime... Read more

23 July, 2010
Practical, Real-Time, Full Duplex Wireless

Practical, Real-Time, Full Duplex Wireless

...the signal inversion technique alone can cancel at least 45dB across a 40MHz bandwidth. Further, combining signal inversion cancellation with cancellation in the digital domain... Read more

23 September, 2011
High-speed Wi-Fi raises early concerns

High-speed Wi-Fi raises early concerns

Uncertified 802.11n Wi-Fi equipment is creating a potential interference and interoperability nightmare, according to the CTO of AirMagnet Read more

12 June, 2007 by David Meyer
Qualcomm's UK spectrum is too big for pocket TV

Qualcomm's UK spectrum is too big for pocket TV

...reach and more freedom in setting the protocols. Something like an unfettered 40MHz on L-band would be almost perfect. It is a huge leap... Read more

20 May, 2008 by Rupert Goodwins
Mac-Antique Roadshow

Mac-Antique Roadshow

...Macintosh IIfx was introduced (at the startling price of $9,900), a 40MHz (Motorola 68030) CPU and 4MB of RAM qualified as 'wicked fast' (the... Read more

23 January, 2009 by Charles McLellan
New technologies in 802.11n

New technologies in 802.11n

...rates. The 802.11n standard describes how to use the much wider 40MHz channels, which are easy to implement, cost effective and only require moderate... Read more

24 June, 2008 by Michael Kassner

Qualcomm buys UK mobile-TV spectrum

Qualcomm has won 40MHz of UK spectrum suitable for mobile TV or broadband, but there is... Read more

16 May, 2008 by David Meyer

Aruba warns against 802.11n deployments

...to supply one 2.4GHz channel if it is configured to use 40MHz of bandwidth. "You may find that, if you are going to spend... Read more

18 October, 2007 by David Meyer

Ten things to consider before buying an 802.11n wireless device

You may be tempted by Pre-N and Draft-N wireless products, but before you buy make sure you have all the facts Read more

11 December, 2006 by Joshua Hoskins

Why 802.11n is a hard act to swallow

Current wireless data transmission techniques are coming up against fundamental physical limits. We explain why, and show how the upcoming 802.11n Wi-Fi standard fits into the overall picture. Read more

21 November, 2006 by Rupert Goodwins

Draft-N wireless solutions

...the current 20MHz channels used by 802.11b/g to create wider 40MHz pipes, with WPA security and QoS (Quality of Service) also involved. However... Read more

20 November, 2006 by Alan Stevens

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