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- Develop a Web site accessible by visually impaired users and comply with the law
- At a large public university, I recently assisted a project team in testing a Web-based application we made available to several hundred thousand alumni. Application usability was a key success criterion for the project. Recognizing that numerous alumni might be blind, color blind, or have some other visual impairment, we...
- Blog posts 2008-02-21
- Skype underperforms; EBay admits to mistakes
- The timesonline reported yesterday that eBay has admitted to massively overpaying for Skype. Back in 2005 eBay bought Skype for a whopping $2.6 billion; now they have warned shareholders that they will have to take an impairment charge of $900 million! In 2005 eBay put a...
- Blog posts 2007-10-03
- OneLoupe 2.01 (Windows)
- OneLoupe is required to view everything on the screen enlarged. The small Magnifier is always ready when you need it to view all fine details, even the small print in the I-Net to decipher. OneLoupe is very practical and user-friendly. And it is virtually no burden on the system, an...
- Software downloads 2009-11-14
- Analysis of Frequency Offsets and Phase Noise Effects on an OFDM 802.11 G Transceiver
- Since WLAN OFDM Transceiver on both IEEE 802.11a and IEEE 802.11b is the most usable technique to achieve a high performance communication, it can, by means of some modifications evaluate an IEEE 802.11g Transceiver behavior against some link impairments as frequency offset, Inter-carrier interference, phase noise, etc. In this paper,...
- White papers 2007-05-02
- Glasgow Coma Scale (GCS) Version 2.1 (Mobile)
- This calculator allows users to quickly calculate the Glasgow Coma Score - a standardized system for assessing response to stimuli, in order to rank a patient's neurological impairment.
- Software downloads 2002-04-01
- Glasgow Coma Scale (GCS) 2.1 (Mobile)
- This calculator allows users to quickly calculate the Glasgow Coma Score - a standardized system for assessing response to stimuli, in order to rank a patient's neurological impairment.
- Software downloads 2001-04-03
- Physical Impairments in All-Optical Networks
- This white paper proposes an original approach aiming to minimize both CAPEX and OPEX inherent to Electrical Regenerator ER placement. Three linear transmission impairments are considered: ASE Amplified Spontaneous Emission, PMD Polarization Mode Dispersion and Intra-Channel crosstalk ICX. The impact of the gain profile of inline EDFAs is also investigated.
- White papers 2007-10-07
- Physical-Layer Considerations for the Realistic Deployment of Impairment-Aware Connection Provisioning
- Nowadays, impairment-aware connection provisioning is a hot topic due to the evolution of optical networks to all-optical infrastructures and to the need to maintain or enhance Quality of Service QoS. Most of the research efforts in this field use complex, analytical models of impairments as the basis for the connection...
- White papers 2007-06-15
- Physical Impairment Based Regenerator Placement and Routing in Translucent Optical Networks
- A novel Constraint-Based Routing CBR algorithm taking into account the dominant linear and nonlinear fiber optical transmission impairments has been analyzed. It is shown that CBR and intelligent regenerator placement decrease the blocking probability significantly. In future transparent optical transmission systems automatic wavelength switching will be introduced (Automatically Switched Optical...
- White papers 2008-01-22
- Performance of MIMO OFDM Systems in Fading Channels With Additive TX and RX Impairments
- The performance of OFDM based systems is seriously affected by imperfections in system implementation. To gain a better understanding of the influence of these impairments on the performance of multiple antenna OFDM systems, this paper studies a zero-forcing based MIMO OFDM system with imperfections modeled as additive error sources in...
- White papers
Additional Resources
- Network Applications: Ensuring Performance and QoE With Network Impairment Emulation
- Enterprise applications are essential elements of the business infrastructure. Poor application performance can cripple day-to-day business and affect productivity. The complexity of enterprise applications and networks makes it difficult to predict application performance and identify the root cause of performance issues. The key to a successful application rollout is robust...
- White papers 2007-07-01
- FRS Talking Calculator 1.2.3 (Windows)
- An easy to use calculator for use in elementary classrooms with several features that make it ideal for use in situations where assistive software technologies are desirable. Big buttons are easy targets for students with limited motor skills. Large type on buttons and displays makes reading the calculator easier for...
- Software downloads 2007-11-27
- 10 priorities for testing critical systems
- No concept of time?Always a good idea to put time-critical objectives in testing!Mistakes: testing on production network, not doing network analysisThou shalt not test on a production networkI've seen 'simple painless testing' bring down a global SAP instance.You cannot test on a production network, period.Network Impairment Simulation:On the test network...
- Discussion threads 2008-06-26
- FRS Talking Calculator 1.4.2 (Mac)
- An easy to use calculator for use in elementary classrooms with several features that make it ideal for use in situations where assistive software technologies are desirable. Big buttons are easy targets for students with limited motor skills. Large type on buttons and displays makes reading the calculator easier for...
- Software downloads 2008-01-02
- Driving under the influence of a cell phone
- In a recent blog, I talked about the possible dangers associated with cell phones: "Is your cell phone exciting? Your brain thinks so." However, there's no conclusive evidence that prolonged cell phone usage is harmful. "Further studies are needed to better circumstantiate these conditions and to provide safe rules for the use...
- Blog posts 2006-06-30
- Toshiba Tecra S1 Modem Problems
- I have a Toshiba Tecra S1 notebook computer running Windows 2000 Professional with Service Pack 4 installed. When I try to use the modem I get a "No Dial Tone" error. When I go into the modem's property page ("Diagnostics"), and I run a "Query Modem" I get...
- Q&A 2005-05-03
- Stoned on e-mail
- Stoned on e-mailStoned On E-mailBy , InternetWeekMay 4, 2005 (2:49 PM)URL: [v] http://www.internetweek.com/story/showArticle.jhtml?articleID=162101594[/v]Using e-mail and other messaging technologies excessively can lower your IQ as much as if you smoked some weed, according to recent research sponsored by Hewlett-Packard. According to researchers at the University of London Institute of Psychiatry, there's...
- Discussion threads 2005-05-06
- Large fonts and outlook backgrounds
- I have a user that has turned on large fonts in the display properties. when she receives an email whith a background and tries to reply, the reply text is interlaced with the original message and is dificult to read. If I remote desktop and try to duplicate the...
- Q&A 2006-05-18
- 10 ways to improve the design of your commercial Web site
- How many timesHow many times have you or your organization gone through a Web site redesign? Is a Web site design every really complete or is it a constant process of evaluation and revision?Just in TimeI'm working on a business site right now not completed and these pointers are just...
- Discussion threads 2006-09-25
- Windows Network Diagnostics (Windows Vista RC 2)
- Really Like the New Look !It's seems to me just from this brief look at the screens to be more user friendly, and that is a good thing.Most of my Co-workers are in the dark about their PC's and even the most basic steps to keep their PC's safe...
- Discussion threads 2006-10-21
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