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ZDNet Resources
- Joint Channel Estimation and Prediction for OFDM Systems
- Adaptive OFDM improves the system throughput by adjusting transmission parameters based on Channel State Information CSI estimated at or received by the transmitter. The improvement, however, is conditioned on the quality of the CSI, which can be compromised by estimation and quantization errors, and more significantly by delay. Channel prediction...
- Tags: Estimation, Algorithm, University Of Texas, Adaptive OFDM, Channel Prediction, OFDM, Wi-Fi, Engineering, Wireless
- White papers 2005-08-01
Additional Resources
- Liquid camera lenses controlled by sound
- Researchers at Rensselaer Polytechnic Institute RPI have created an adaptive liquid lens that captures 250 pictures per second. Because these lenses are simply powered by water and sound, they need less energy to operate than competing technologies. According to the project leader, 'The lens is easy to manipulate, with very...
- Tags: Rensselaer Polytechnic Institute, Droplet, Lens, Camera, Roland Piquepaille
- Blog posts 2008-09-30
- Vizio VO32L
- Vizio made its name by charging less than all the big brands, but savvy buyers may have noticed that Vizio doesn't really have the price advantage that it used to. While the 32-inch Vizio VO32L sells for a reasonable $650 as of press time, other entry-level competitors like the Panasonic...
- Tags: Vizio VO32L, Vizio, picture mode
- Product reviews 2008-09-30
- Semantic Web Gang looks at investment opportunities in semantic technology
- Joined this month by Erick Schonfeld from TechCrunch, Chris Morrison from VentureBeat, and Brad Burnham from Union Square Ventures, this latest episode of the regular Semantic Web Gang podcast explores views on the investment opportunities raised by semantic technology. Union Square was featured in this weekend's New...
- Tags: TechCrunch, Investment Opportunity, Semantic Web, Internet, Paul Miller
- Blog posts 2008-09-23
- Microsoft: It's time to consummate the marriage with Citrix already
- The relationship between Microsoft and Citrix is much like that of a man who has been serially dating the same woman for 15 years, but never seems to be able to consummate the deal. He's afraid of commitment, or perhaps like that old expression goes, why...
- Tags: Citrix MetaFrame, Citrix Systems Inc., Microsoft Corp., Hyper-V, Virtualization, Microsoft Windows, Desktop Virtualization, Cloud Computing, Storage Management, Utility Computing, Open Source, Hardware, Operating Systems, Software, Storage, Jason Perlow
- Blog posts 2008-09-13
- Is power your weakest link in data center flexibility? Key considerations for power systems in adaptive IT environments
- Flexible. Adaptive. These are the hottest buzzwords in IT infrastructures today. The power infrastructure must be flexible and adaptable too. In most cases, power is not a focal point in IT planning, so the power chain can be strained to meet large fluctuations in power demand. Download...
- Tags: IT Environment, Data Center, Information Technology, Eaton Corp., Data Centers, Strategy, Storage, Hardware, Data Management, Management
- White papers 2008-09-08
- Cisco buys PostPath: WebEx to compete with Exchange, Outlook, Office?
- Cisco on Wednesday bought email and calendar software maker PostPath for $215 million in a move that may signal bigger plans for WebEx. Simply put, Cisco and Microsoft are increasingly on a software collision course. Cisco said its latest acquisition will be used to "enhance the existing...
- Tags: Microsoft Outlook, WebEx Communications Inc., Microsoft Office, Cisco Systems Inc., PostPath, Groupware, Collaboration, Enterprise Software, Software, Larry Dignan
- Blog posts 2008-08-27
- Mandatory email
- Mandatory emailWe need better emailFrankly, email is currently broken - spam and scams and phishing make it a mess to wade through, even with the best spam blocking stuff.Problem is, we decided to use "adaptive filtering" statistical junk rather than solid encryption and digital signatures. What do the spammers do?...
- Tags: e-mail
- Discussion threads 2008-08-25
- Vizio SV470XVT
- Budget flat-panel powerhouse Vizio is breaking into the lucrative realm of high-end HDTVs with its XVT line, comprised of a 50-inch plasma we detailed at CES and a pair of LCDs, including the model reviewed here, the 47-inch SV470XVT. Equipped with a lot of glossy black, a slicker menu system,...
- Tags: TVs, TV & Home Theater, Monitors & displays, button layout, Vizio, Vizio SV470XVT
- Product reviews 2008-08-21
- An Event Apart 2008: Day 2
- The second day of An Event Apart will feature plenty of web standards jargon. I will be posting photos and notes from today's events. Unfortunately, the slides are reserved for attendees only, but I will try to gather as much information as...
- Tags: Google Inc., Microformat, Tool, Post-it Note, Eric Meyer, CSS, Productivity, Keyboards, Scripting Languages, Software/Web Development, Web Development, Hardware, Peripherals, Andrew Mager
- Blog posts 2008-08-19
- Fortune 500 companies use of email spoofing countermeasures declining
- Here's a paradox - a technology originally meant to verify the sender of an email message for the sake of preventing spoofed messages from reaching the network, still hasn't been embraced by the world's biggest companies despite being around for years, but is actively used by adaptive spammers increasingly abusing...
- Tags: Yahoo! Inc., Spammer, Authentication, Fortune 500 Company, E-mail, Spam, Security, Online Communications, Spam And Phishing, Dancho Danchev
- Blog posts 2008-08-19
- Antispam Marisuite for The Bat (exe)
- Antispam Marisuite is a spam filter. The setup program takes care of configuring The Bat so you do not need do anything else and email filter begins work effective right after installation. Antispam Marisuite is based on trainable adaptive algorithm which will treat as spam anything you consider spam, even...
- Tags: Anti-spam, Marisuite, Antispam Marisuite, Spam, Cyberthreats, E-mail, Viruses And Worms, Security, Spam And Phishing, Online Communications
- Software downloads 2008-08-13
- MPEG Streamclip (zip)
- This application can play and convert selectable parts of QuickTime and AVI movies, MPEG-1/2/4 files and transport streams with MPEG/AC3/PCM audio into DV streams or QuickTime, AVI, MPEG-4/iPod movies using any video codec, with optional 2D-FIR professional scaling, motion-adaptive de-interlacing, and other pro options; all in YUV, with audio in...
- Tags: Apple QuickTime, AVI, MPEG, Movies, Squared 5, Digital Video, Digital Media, Corporate Communications, Personal Technology, Consumer Electronics, Marketing
- Software downloads 2008-08-12
- 2009 Jaguar XF
- Photo gallery:2009 Jaguar XFOn first getting into the 2009 Jaguar XF, the car seems like the ultimate in automotive tech. A red backlight on the engine start button pulses with a heartbeat cadence. Push it, and panels over the air vents open up while the shift dial rises from the...
- Tags: touch-screen interface, Jaguar XF, Jaguar, Mph
- Product reviews 2008-08-06
- Mozilla taps crowd for concepts: Will the browser usurp the OS?
- Mozilla Labs has launched a casting call for concepts for the successor to Firefox and after watching a few videos it's striking how a common theme emerges: The browser could nudge the operating system out of the way. Mozilla's concept series is really a crowd sourcing effort...
- Tags: operating system, web browser, mozilla corp., mozilla labs, web browsers, operating systems, internet, software, larry dignan
- Blog posts 2008-08-06
- Consumer Reports urges Mac users to dump Safari, cites lack of phishing protection
- The 2008 edition of Consumer Reports' "State of the Net" report, advises that a common security mistake is "thinking your Mac shields you from all risks", and that due to Safari's lack of built-in phishing protection Mac users are urged to switch to Firefox or Opera : "According to...
- Tags: Apple Macintosh, Apple Safari, Consumer Reports, Phishing Protection, Phishing, Cyberthreats, Spam, Viruses And Worms, Security, Spam And Phishing, Dancho Danchev
- Blog posts 2008-08-06
- Vizio VP322
- Mostly on the strength of aggressive pricing, Vizio in the last several years has taken the flat-panel HDTV market--both LCD and plasma--by storm, rocketing past better-known brands and becoming one of the best-selling names in the country. The company has also introduced some unique products, among them the VP322, which...
- Tags: Monitors & displays, TVs, color temperature, Vizio VP322, Vizio, plasma, LCD, VP422, HDTV
- Product reviews 2008-08-05
- Adaptive Information Technology for Service Lifecycle Management
- The shift from enterprise computing to service-oriented and cloud computing is happening very rapidly. As the demand for higher value services increases there will be a greater need for service customization, automation for the provisioning and management of services, and the ability to offer services that satisfy non-functional requirements. This...
- Tags: Lifecycle Management, Information Technology, Service, Strategy, Management
- White papers 2008-07-21
- Now I know what to do with those Eees!
- Now I know what to do with those Eees!Tip: first update the 7 inch Eee by temporary *wired* internet connectionWhen you've got those 7 inch Eee's, first retrieve and process all available updates by means of a temporary *wired connection* ethernet cable.One of the updates is an update for the...
- Tags: PRODUCTIVITY, INTERNET, Ethernet, Network technology, Old PC, Eee, computer
- Discussion threads 2008-07-10
- $1 Million prize offered for cracking an encryption algorithm
- It's 2008, and companies perhaps rich on VC money to waste in a guerilla marketing tactic for generating viral buzz, still talk and act as the utopian "unbreakable encryption" algorithm is the panacea of security, or the "Hackers Hell: Privacy That Can't Be Compromised" as they pitch it. ...
- Tags: Passphrase, Malware, Encryption Algorithm, Encryption, Spyware, Adware & Malware, Cyberthreats, Security, Viruses And Worms, Dancho Danchev
- Blog posts 2008-07-07
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White Papers and Webcasts
What is hardware-based virtualization, and how can it make a difference in your business? Ask the people who developed the new Intel® Xeon® processor 7400 series. Intel engineers, technology architects, and other experts will be here live-answering your questions and discussing how Intel® technology can help increase IT performance.
