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and wireless experts: Robert Poor, Bob Egan, Lisa Phifer, Tim Scannell, Kevin Burden or Kevin Beaver.
RFID in Industry Apr 15, 2004
that IT and mobile managers do not need to change the application for different mobile operating systems.
For more on mobile applications
Check out a case study on mobile Salesforce May 2, 2007
National Instruments was experiencing inadequate cellular coverage due to poor geography and weak signals from external cellular towers. This case study explores the in-building wireless solution that provides National Instruments with pervasive coverage and high performance...
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Jan 26, 2007
phone-based application that uses GPS-enabled location-based services to help automate data entry.
In most states today, utility protection is a case study in paper-rich bureaucracy. Various government agencies and private utilities must all be consulted during major construction or underground... More... Mar 26, 2008
from McGraw-Hill, copyright 2003. For more information or to order the book, click here.
Endorsed by the Wireless LAN Association, this comprehensive study guide offers complete coverage of all objectives for exam PW-100. Inside, you'll find 150+ practice exam questions with complete answers, step-by-step... More... Jun 3, 2003
processor, memory, and data paths) but is situated relatively close by. A near synonym is input/output (I/O) device. Some peripherals are mounted in the same case with the main part of the computer as are the hard disk drive, CD-ROM drive, and NIC. Other peripherals are outside the computer case, such as the printer...
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Mar 10, 1998
non-stop access to business systems. According to Cisco, using WLANs to improve connectivity saves workers an average of 70 minutes per day. Another study by BCG found that companies adopting wireless sales force automation or customer relationship management increased productivity up to 30...
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Oct 10, 2002
more effort? Although wireless LANs have been around for several years, this field is still evolving very rapidly and there are many possible fields of study. For example:
Wireless LAN Switching I: Today's wireless APs are conceptually like a hubbed Ethernet ? a medium shared by all stations. Recently, Engim... More... Apr 24, 2003
to centrally manage and set security policies for smartphones, whether they're connected at the office, at home or on the road.
According to a recent study by Gartner Inc., 22% of enterprise workforces use some form of mobile applications. Couple that with the fact that smartphone shipments are expected to... More... Dec 6, 2006
a laptop into standby mode protect the hard drive as much as doing a full shutdown? I carry my laptop around with me (often not in its protective laptop case even) and want to know if, to protect the hard drive, I need to do a full shutdown between moves or if standby mode is just as safe? Standby is fine. When you go...
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Feb 10, 2005
Just a year and a half after its release, the iPhone has surpassed BlackBerry and taken second place in global smartphone market share.
According to a study published by Canalys, Apple's iPhone took 17.3% of the smartphone market in Q3 2008. "It was expected that Apple would figure among the smartphone leaders... More... Nov 10, 2008
days left before BlackBerry maker Research In Motion Ltd. (RIM) is back in court for another fray with NTP Inc., users are continuing to look into options in case a last-minute evacuation plan is needed to survive a potential nationwide shutdown.
One such user is the University of Texas at San Antonio (UTSA), which... More... Feb 22, 2006
throughput (water flow) will depend on data to be sent/received. If station(s) only send about 1 Mbps of data, actual throughput will be the same in either case.
But what if all your stations combined have, say, 40 Mbps of data to send? In a WLAN with data rate set to 11 Mbps, throughput will max out around 5-6 Mbps. In a... More... Jul 9, 2004
temporary plug-in connections, in which some of the network devices are part of the network only for the duration of a communications session or, in the case of mobile or portable devices, while in some close proximity to the rest of the network. In Latin, ad hoc literally means "for this," further meaning "for...
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Dec 5, 2000
to a separate WLAN firewall.
Wireless routers are popular in small business and home office environments where a single AP will do the trick. In this case, combining the broadband access router with the AP provides a single box solution that's easier to administer and usually less expensive than two... More... Jul 30, 2003
move to 802.11g on many of our locations so the bandwidth for students remains above the bandwidth of the Internet connection we supply. So, in my case, I am very much looking forward to it.
As far as the typical business wireless infrastructure that supplies wireless to its end users, 10 MB is generally... More... Feb 5, 2003
IPsec is also being used today across multiple network hops to provide end-to-end protection and authenticated access to private networks. In this case, 802.11i cannot functionally replace IPsec, and IPsec will continue to be used. For example, users at a wireless hotspot can't use 802.11i to protect data... More... Aug 30, 2004
decentralized purchasing, this fully managed-device approach may not be a viable way to safeguard every smartphone.
A recent Aberdeen Group study found that, in September 2008, employers purchased 65% of phones. Just one year later, that percentage had dropped to 42%. Meanwhile, phones purchased by... More... Jan 12, 2010
the chance that your stolen systems will be sold, new software will be reloaded, and nothing bad will ever come of it. However, you've got to look at the worst-case scenario. Given that so much information is being stored in so many different places, without whole disk encryption in place combined with sensible...
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Jul 17, 2006
differentiate between the transmitted signal and noise.
Signal-to-Noise Ratio (SNR) compares peak signal strength to noise. According to the CWNA Study Guide, an SNR of 22 dB or more is viable, but opinions vary. The higher the SNR, the more stable and usable the WLAN service. Bit Error Rate (BER) compares... More... Feb 15, 2005
for a company to decide about BlackBerry.
But I am concerned by those who say that the US PTO's first actions to overturn NTP's patents will end the whole case. Those who paid attention in Civics class can disregard the rest of this post. If you think that the US PTO has the power to overturn the injunction, then... More... Mar 7, 2006
That play has gone down in National Football League history as "the catch."
Who was the major winner as a result of "the catch?" Well, certainly you can make a case for the 49ers, but others will make the case for media advertisers. As a result of the last second heroics, Super Bowl XVI was the most watched Super Bowl... More... May 18, 2003
but that deal fell apart late last year. Some analysts and experts have suggested that NTP could seek a settlement for more than $1 billion. The case could be settled before it goes back before Spencer.
In the U.S., roughly 3 million people use BlackBerry. Of those, 1.8 million are enterprise users, while 1... More... Feb 23, 2006
on the particular service arrangement, the home ISP may levy an additional hourly usage charge of several dollars an hour or a monthly charge in case the service is used during that month.
A similar roaming service is provided by some cooperating cellular telephone telephone or personal digital... More... Aug 13, 2000
as WLANs, for wireless LANs, to distinguish them from wired networks), and wide area networks (WANs). Next, the book moves on to examine a series of four case studies with a primary emphasis on WLANs, including scenarios in a home, an office complex, a university campus and a hospital.
In explaining and... More... Mar 8, 2004
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