| Beating WLANs into submission, Part 1: Airtime management The IEEE ratified the bare bones Wi-Fi standard in 1997. Since then, equipment vendors and various 802.11 working groups have been beating it into submission with formal extensions and proprietary capabilities to render it a business-grade network. Much of the ongoing work relates to controlling the shared airwaves in ways that prevent big transmissions from any one client from squeezing out other clients' traffic. Cisco overcomes 11n AP power, form-factor issues Cisco has tackled the power-consumption and form-factor criticisms of its hefty Aironet 1250 Series Access Point in a new pre-standard 802.11n AP platform, officially announced this week. The new Draft N Aironet 1140 ... Cisco's new 11n gear boosts legacy Wi-Fi performance with beamforming Cisco is positioning its Aironet 1140 access point, with its beamforming technology to improve Wi-Fi performance, as the best way to shift to 802.11n without sacrificing legacy 11g and 11a clients. The role of beam-forming in 11n In a couple of newsletters this month, I've discussed the effects of multiple input/multiple output (MIMO) and antenna technology in 802.11n primarily from the perspective of a "traditional" vendor, if there is such a ... Mark Hopkins solves Vo-Fi challenge with smart antennas The tony InterContinental Mark Hopkins hotel in San Francisco is ringing in the new year with internal voice-over-Wi-Fi (Vo-Fi) connections that are as clear as a bell. Summing up RF math (no pun intended) Readers had many questions for Brandon Carroll's tutorial on access points and the RF engineering that make them work. WebEx comes to Blackberry, Symbian, Windows Mobile smartphones Cisco is releasing WebEx software for a whole slew of 3G or Wi-Fi-enabled smartphones. Windows Mobile 6.5 - Is It Enough To Become "iPhone Cool"? Microsoft Subnet blogger Mitchell Ashley writes, "Windows Mobile 6.5 was has been unleashed in Barcelona sporting a new touch screen more similar to LG touch phones than the iPhone. But still 6.5 is still a new, sportier, sexier user experience. February giveaways from Cisco Subnet and Microsoft Subnet
Up for grabs: One American Express gift card worth $250 from Global Knowledge; One Microsoft training course worth $2,995 from Global Knowledge; 15 copies each of the hot book titles Voice over IP Security, and CCNA Wireless Official Exam Certification Guide and 15 copies of Exchange Server 2007 How-To: Real Solutions for Exchange Server 2007 SP1 Administrators. Get all the entry details here. | 
Survey takes a look at where IT pros do their social networking.
How to protect laptop data at your local Wi-Fi hot spot.
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