Tag Archive for Wi-Fi

Aussies Strike Wi-Fi Again

Aussies Strike Wi-Fi AgainAustralia’s Commonwealth Scientific and Industrial Research Organization (CSIRO) has filed suit in the U.S. District Court in Texas again according to an article on :Rethink Wireless. The Aussies have slapped AT&T, (T) T-Mobile, and Verizon (VZ), with patent lawsuits. The Australian science agency, emboldened by its settlements over Wi-Fi patents with Hewlett-Packard and Microsoft is now going after U.S. retailers.

CSIROAccording to the article, patent trolling is a lucrative business, for CSIRO. In 2009 CSIRO brought in about $205m in royalties largely because of a massive out-of-court settlement. CSIRO made a deal with 14 vendors including Microsoft, Intel, Dell, Toshiba, and HP (which I wrote about here). According to CSIRO’s annual report, this settlement helped turn its budgeted deficit of $34.2M into a profit of $122M. The CSIRO now claims 161 active patent licensees. Many licensees are connected to the patent issued in 1996, which CSIRO says includes all 802.11 Wi-Fi products.

Wi-Fi patent trolling plan

ATT logoIn the article, Nigel Poole, executive director in charge of commercialization at CSIRO says this is a deliberate plan. “There’s a legal strategy here that has been thought through very carefully and to a layperson, it looks like a pincer movement. You’ve got court action CSIRO says its proceeds from royalties are invested in new research, and presumably, that could lead to new patents and licensing claims.

Broadcom and Atheros have counter-sued CSIRO on the behalf of the Wi-Fi industry to have the patent declared invalid.

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Seems the Australians have gotten pretty good at patent trolling. Maybe they can build their entire broadband infrastructure on the backs of U.S. consumers. Too bad the U.S. government didn’t think of this first.

This should be a big test for AT&T. AT&T is testing Wi-Fi data offload for smartphone users by creating a giant pilot Wi-Fi hot zone in New York City’s Times Square. The pilot will offer its mobile broadband customers free access.  It is widely believed that after the pilot AT&T may deploy more hot zones in other areas across the country.

Many of AT&T’s smartphones support auto-authentication at AT&T Wi-Fi Hot Spots. The automation makes it seamless for subscribers to connect to its 21,000 hot spots. AT&T’s Ralph de la Vega has indicated in the past that offloading data traffic onto Wi-Fi would play a large role in curbing its overwhelming data growth.

 

Ralph Bach has been in IT long enough to know better and has blogged from his Bach Seat about IT, careers, and anything else that catches his attention since 2005. You can follow him on LinkedInFacebook, and Twitter. Email the Bach Seat here.

Detroit Least Risky Online City

Detroit Least Risky Online City Symantec has declared Detroit as the least risky online city in America. In a joint study with Sperling’s BestPlaces, Symantec released a report Norton’s Top 10 Riskiest Online Cities The U.S. cities under the greatest threat from cybercrime (PDF) (03-22-10) of the 50 riskiest places in America to be online and at the bottom of the list is Detroit.

DetroitThe report indicates that Detroit is the least risky online city, with residents less likely to take part in risky online behavior. Detroit has low levels of Internet access, expenditures on computer equipment, and wireless Internet access. The city also ranked low in cybercrime, wireless Internet access, and Internet access generally compared to other cities. El Paso, Texas, and Memphis were the second and third safest cities, respectively as reported by eWeek.

Data from several sources were used to determine the rankings. The data came from Symantec Security Response as well as third-party data about online behavior, such as accessing WiFi hot-spots and online banking. Each city was scored across several categories. For example the number of malicious attacks per capita, prevalence of Internet use, and the number of bot-infected machines per capita.

Symantec logoDetroit ranked last in all categories including:

  • Individual cybercrimes,
  • WiFi and hotspots per capita,
  • Annual expenditures per household on Internet Access and Computers,
  • Adult Internet use.

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Up is down and down is up in Detroit. These are not promising statistics for Detroit. The depression “global financial crisis” has ravaged Detroit and southeastern Michigan for the past 11 years. These results are just another indicator of how far Detroit has fallen. Low levels of Internet access, not buying computer equipment along with slow and limited wireless Internet access cause the city to rank low in cybercrime. This is just like driving a car, the more you drive the more risks you take. Until the Motor City gets on the information super-highway there is little chance of Detroit moving forward.

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Ralph Bach has been in IT long enough to know better and has blogged from his Bach Seat about IT, careers, and anything else that catches his attention since 2005. You can follow him on LinkedInFacebook, and Twitter. Email the Bach Seat here.

Wireless Gigabit

WiGig AllianceThe Wireless Gigabit Alliance has completed specs for a technology designed to deliver as much as 7 Gbps of wireless bandwidth in the 60 GHz band. The new technology, WiGig has the support of technology giants such as Intel, Broadcom, and Atheros. The technology is expected to have enough capacity to deliver high-def video streams up to 10 meters. WiGig’s anticipated road map includes system certifications in 2010 and WiGig based products to market in 2011.

Supplement other wireless technologies

According to the WGA, WiGig is not designed to replace 802.11 or Bluetooth but rather to supplement it. WiGig is a device-to-device (p2p) network and does not need a central hub or router that could easily turn into a congestion point. WiGig uses beamforming to extend its range beyond the 10-meter range and will automatically switch to 802.11n Wi-Fi.  “Our technology is backward compatible with existing Wi-Fi, and we fall back to 802.11n and 802.11g when we can’t connect at [7 Gbps] speeds,” Ali Sadri, told TechNewsWorld. “We’re based on 802.11, so our spec is not replacing Wi-Fi but extending it to 10 to 20 times faster than Wi-Fi.

By complementing Wi-Fi and enabling multi-gigabit speeds, the versatile specification is a very significant achievement on the road to the next generation of wireless LAN products,says Craig Mathias, a Principal with the wireless and mobile advisory firm Farpoint Group.

Integrate WiGig into Wi-Fi chipsets

It is reported that Intel, Broadcom, and Atheros all have plans to integrate WiGig into Wi-Fi chipsets. “Ultimately, the question is how many different kinds of radios do you really need?says Farpoint’s Mathias, “There’s not just competition from Wi-Fi and wireless HD but also cellular technologies such as 3G, LTE or WiMax … A lot of people anticipate 60 GHz products that will include 2.4 and 5 GHz Wi-Fi as well,” said Bill McFarland, chief technology officer of Atheros, and a WiGig member. “I definitely think we can support tri-band at 65 nm,” he added.

WiGig will include protocol adaptation layers to support specific system interfaces including data buses for PC peripherals and display interfaces for HDTVs, monitors, and projectors. WiGig will include advanced security and power management for WiGig devices. “We’re rapidly paving the way for the introduction of the next generation of high-performance wireless products – PCs, mobile handsets, TVs and displays, Blu-ray disc players, digital cameras, and many more,said Doctor Ali Sadri of Intel and president and chairman of the Wireless Gigabit Alliance

The need for fast wireless data transfer plays into two big trends: the proliferation of multimedia and the increasing cable clutter that users have to deal with. “NVIDIA recognizes the general market trend toward wire-free interfaces. Today, display interfaces are at an inflection point where the next generation solutions will feature wireless display connections for PCs, game consoles, notebooks, and mobile devices with PC monitors and TVs,said Devang Sachdev, Technology Marketing Manager at NVIDIA and WiGig Board Member.

60 GHz loses strength quickly

The biggest knock against WiGig is that signals at 60 GHz get absorbed by oxygen, meaning they lose strength quickly. Steel or concrete walls and even people in the room can be degraded or stop the 60 GHz signal. However, Intel’s Sadri says there is a solution. A 60 GHz antenna is just 2.5 millimeters long,  small enough that a lot of them can be packed into even a thin TV set or a mobile handset. Put 32 antennas on the transmitting and receiving ends, and you can send enough steered beams to compensate for the losses the signal experiences over distance.

In the 60 GHz spectrum, WiGig is likely to run into some competition. The IEEE is introducing a follow-up to 802.11n Wi-Fi standards called 802.11ad.  The IEEE 802.11ad standard will also be based on the 60 GHz spectrum but is not expected before 2012.  Mathias says, “The WiGig Alliance hopes to get a head start now and they might submit their standard to the 802.11ad group to be included in the specification.” The Wireless HD consortium also supports a third 60-gigahertz wireless networking plan for uncompressed HD video. Sony and Samsung are backers of all three 60 GHz plans.

It is likely that IEEE 802,11ad and Wireless HD will find it hard to compete against a general-purpose WiGig standard that can do uncompressed wireless HD video and more.

Members of the WGA include:·

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Ralph Bach has been in IT long enough to know better and has blogged from his Bach Seat about IT, careers, and anything else that catches his attention since 2005. You can follow him on LinkedInFacebook, and Twitter. Email the Bach Seat here.

Wi-Fi Harvester

Wi-Fi Harvester Computerworld reports that RCA demonstrated a prototype device that converts Wi-Fi radio signals into DC power to charge wireless devices. The W-iFi Hotspot Power Harvester, also known as Airnergy, was shown at the 2010 Consumer Electronics Show. RCA’s device was able to charge a BlackBerry Bold with about 30 percent power in 90 minutes using Wi-Fi access points located nearby, according to an RCA official recorded on video by Geeky-Gadgets.com. The amount of charging time depends on a user’s proximity to the Wi-Fi hot spot.

The Airnergy unit stores the charge in an internal lithium battery, so you don’t necessarily have to be in a Wi-Fi hot spot to recharge your device. The device is about 2 in. by 3 in. in size and will sell for $39 to $49 this summer. RCA said it is developing a smaller version that would replace a battery inside a hand-held device and sell for about $60. That smaller version could ship in 2011.

Other wireless chargers

Demonstrations of wireless chargers have been a staple of CES for several years, and some products promised in 2008 have not materialized. Some products, such as the Dell Latitude Z laptop, allow charging by placing the laptop directly on a wireless charging stand. Fulton Innovation LLC, (I wrote about here) showed products and prototypes at CES. One Fulton technology concept powers a 12-watt light bulb from a transmitter placed 35 inches away. Powermat USA showed new wireless charging mats for handheld computers at prices ranging from $39 to $149, and the company’s CEO said Powermat has sold 750,000 devices since the company launched two months ago.

There is much skepticism over this product. The inverse-square law roughly says in this case that the signal would decrease in intensity inversely proportional to the square of the distance. Double the distance and signal strength drops by a fourth and so on. Thus at the distance at which most people find themselves from access points, the amount of energy available is minute.

Here is an article from SensorMag.com that describes how RF energy harvesting works.

 

Ralph Bach has been in IT long enough to know better and has blogged from his Bach Seat about IT, careers, and anything else that catches his attention since 2005. You can follow him on LinkedInFacebook, and Twitter. Email the Bach Seat here.

Wi-Fi on Wheels

ChWi-Fi on Wheelsevrolet has announced that owners of several new models can turn their rides in a mobile hot spot with Chevrolet Wi-Fi by Autonet Mobile. This option enables full Internet access inside the vehicle and up to a 150 feet radius around the vehicle. Chevrolet Wi-Fi is designed for use by passengers, or by the driver when the vehicle is parked. The system requires no special software and achieves speeds up to 1.5 Mbps. The Chevrolet Wi-Fi internet connection can support up to 10  devices at once, enabling multiple passengers to use the connection for their separate devices.

Chevrolet Wi-Fi by Autonet Mobile enhances commuting, family vacations and work,” says Chris Rauser, Chevrolet Accessories Manager. “It benefits active families on the go, as well as professionals who need immediate information at remote job sites. Its uses are almost endless.” San Francisco-based Autonet Mobile is the world’s first Internet service provider designed exclusively for vehicles. As a GM Officially Licensed Product, Chevrolet Wi-Fi by Autonet Mobile is certified to work with the following new Chevrolet models:

  • Equinox
  • Traverse
  • Silverado
  • Tahoe
  • Suburban
  • Avalanche
  • Express

According to Autonet, the system uses 3G EVDO/2.5g 1xRRT wireless from Novatel Wireless for connectivity and its own patent-pending TRU technology to support Internet connections over the 3G network while the vehicle is in motion. TRU technology maintains the persistent link, even when 3G coverage is sparse. IEEE 802.11b-a-g provides data link protocols along with one built-in Ethernet LAN port that provides wired connectivity.

Its transport protocols include  PPTP, L2TP, IPSec, and PPPoE along with SNMP for remote management.  Security and access control are provided via  WEP/WPA/WPA2 encryption. Additional docking stations are available, enabling customers to easily move the Chevrolet Wi-Fi by Autonet Mobile router from vehicle to vehicle.

Through Dec. 31, Chevrolet Wi-Fi is available for $199 ($399 retail price, less $200 mail-in rebate with a two-year service agreement). Go to GMextras.com for more information.

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Now a soccer mom in her mini-van picking up Happy Meals will have more connectivity options than some of my clients.

 

Ralph Bach has been in IT long enough to know better and has blogged from his Bach Seat about IT, careers, and anything else that catches his attention since 2005. You can follow him on LinkedInFacebook, and Twitter. Email the Bach Seat here.