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Posts Tagged ‘WiFi’

New WiFi Protocol Boosts Congested Wireless Network Throughput By 700%

November 14th, 2012 11:02 admin View Comments

Network

MrSeb writes “Engineers at NC State University (NCSU) have discovered a way of boosting the throughput of busy WiFi networks by up to 700%. Perhaps most importantly, the breakthrough is purely software-based, meaning it could be rolled out to existing WiFi networks relatively easily — instantly improving the throughput and latency of the network. As wireless networking becomes ever more prevalent, you may have noticed that your home network is much faster than the WiFi network at the airport or a busy conference center. The primary reason for this is that a WiFi access point, along with every device connected to it, operates on the same wireless channel. This single-channel problem is also compounded by the fact that it isn’t just one-way; the access point also needs to send data back to every connected device. To solve this problem, NC State University has devised a scheme called WiFox. In essence, WiFox is some software that runs on a WiFi access point (i.e. it’s part of the firmware) and keeps track of the congestion level. If WiFox detects a backlog of data due to congestion, it kicks in and enables high-priority mode. In this mode, the access point gains complete control of the wireless network channel, allowing it to clear its backlog of data. Then, with the backlog clear, the network returns to normal. We don’t have the exact details of the WiFox scheme/protocol (it’s being presented at the ACM CoNEXT conference in December), but apparently it increased the throughput of a 45-device WiFi network by 700%, and reduced latency by 30-40%.”

Source: New WiFi Protocol Boosts Congested Wireless Network Throughput By 700%

Ask Slashdot: Syncing Files With Remote Server While On the Road?

June 3rd, 2012 06:50 admin View Comments

Data Storage

An anonymous reader writes “Here’s a scenario: you are on a vacation trip for a couple of weeks — on the road. Lots of pictures — 2-300 per day. Maybe some text files with short notes etc. You have a camera with Eye-Fi, a PC, and a phone with WiFi and 3G. Files ends up on the PC (mobile storage), phone provides Internet connectivity. Now, if you wanted to upload all files pretty much as you go — given spotty access to Internet over G3 and WiFi — what would be the best way to do that automatically; set-it-and-forget-it style? I would like them to end up on my own server. rsync script? ownCloud? Some BitTorrent setup? Other? I’m thinking of interrupted file transfers due to no network, re-starts etc. And I would not want to lose any files; including scenarios where files gets deleted locally — that should not result in files getting automatically deleted on the server as well. Sure; I could perhaps use something like Dropbox but that would take the fun out of it.”

Source: Ask Slashdot: Syncing Files With Remote Server While On the Road?

SSID As the New Community Bulletin Board and Yard Sign

June 2nd, 2012 06:25 admin View Comments

Communications

Hugh Pickens writes “Megan Garber writes that wireless routers have become the lawn signs of the digital age particularly in large apartment buildings, where almost every unit has a unique wifi network that will be detected in turn by all the other unique wifi networks, SSIDs can be a cheeky, geeky way to broadcast messages to your immediate neighbors. Most of us keep it simple with “275_Elm_Street,” “Apt23,” or “my_network” but some get more creative with names like: “Apt112IHaveYourMail,” “PrettyFlyForAWiFi,” or “WeCanHearYouHavingSex” — a great way to freak out your annoying neighbors without hiding in their bushes or peeping in their windows late at night. Now the team at OpenSignalMaps, which maintains a database of geolocated wifi access points, analyzed the data they’ve collected about wireless routers to see whether wifi names are “being used to fly political colors” and have found, globally, 1,140 results for “Obama” and an additional six for “Romney” — an indication not necessarily of Romney’s popularity relative to the president’s, but of the attention that four years as president can confer. “There’s something uniquely contemporary and incredibly old-school about that kind of broadcasting: It’s messaging meant only for your immediate neighbors,” writes Garber. “The politicized network names are like lawn signs for people who don’t have lawns.”"

Source: SSID As the New Community Bulletin Board and Yard Sign

Is Australia’s CSIRO a Patent Troll?

June 2nd, 2012 06:50 admin View Comments

Australia

schliz writes “Australian tech publication iTnews is defining ‘patent trolls’ as those who claim rights to an invention without commercializing it, and notes that government research organization CSIRO could come under that definition. The CSIRO in April reached a $220 million settlement over three U.S. telcos’ usage of WLAN that it invented in the early 1990s. Critics have argued that the CSIRO had failed to contribute to the world’s first wifi 802.11 standard, failed to commercialize the wifi chip through its spin-off, Radiata, and chose to wage its campaign in the Eastern District courts of Texas, a location favored by more notorious patent trolls.”

Source: Is Australia’s CSIRO a Patent Troll?

Finland: Open WiFi Access Point Owner Not Liable For Infringement

May 14th, 2012 05:03 admin View Comments

Piracy

New submitter mjrauhal writes “In Finland, the operator of an open WiFi access point was found not guilty for copyright infringement allegedly committed over said access point. The operation of such access points would have become legally risky were this decided otherwise. Appeal by the Finnish Anti-Piracy Center is still possible for this district court ruling.”

Source: Finland: Open WiFi Access Point Owner Not Liable For Infringement

FCC Wants To Fine Google $25K For WiFi Investigation

April 15th, 2012 04:32 admin View Comments

Google

An anonymous reader writes “It’s good and bad news for Google. The FCC has ruled that Google did nothing wrong when it accidentally collected WIFI data with its Street View cars: ‘[The FCC] concluded that there was no precedent for the commissions’ enforcement of the law in connection with WiFi networks. The FCC also noted that, according to the available evidence, Google only collected data from unencrypted WiFi networks, not encrypted ones, and that it never accessed or used the data.’ However, they want to fine the company $25,000 because it ‘deliberately impeded and delayed the investigation.’”

Source: FCC Wants To Fine Google $25K For WiFi Investigation

EU Targets Motorola In Antitrust Investigation Over Standards-Essential Patents

April 4th, 2012 04:29 admin View Comments

EU

Fluffeh writes “Motorola Mobility has found itself on the receiving end of an antitrust investigation by the European Commission due to its alleged abuse of standards-essential patents related to WiFi, H.264, and 3G wireless networking. The EC investigation comes shortly after it launched a similar investigation of Samsung, which has been attempting to leverage its 3G-related patents against Apple. The investigation could be especially worrisome for Google, which was recently granted approval of its planned merger with Motorola.”

Source: EU Targets Motorola In Antitrust Investigation Over Standards-Essential Patents

Australian WiFi Inventors Win US Legal Battle

April 1st, 2012 04:57 admin View Comments

Australia

First time accepted submitter Kangburra writes “Australian government science body CSIRO said Sunday it had won a multi-million-dollar legal settlement in the United States to license its patented technology that underpins the WiFi platform worldwide. Scientists from the agency invented the wireless local area network (WLAN) technology that is the basis of the WiFi signal employed by computers, smartphones and other Internet-ready devices around the world.”

Source: Australian WiFi Inventors Win US Legal Battle

Queensland Police to Look For Unsecured WiFi Spots

March 22nd, 2012 03:54 admin View Comments

Australia

OzPeter writes “As a part of National Consumer Fraud week, the Queensland Police are going war driving in order to identify insecure WiFi setups. from the press release ‘The War Driving Project involves police conducting proactive patrols of residential and commercial areas to identify unprotected connections. Police will follow this up with a letterbox drop in the targeted area with information on how to effectively secure your connection.’ While some people may like having an open WiFi AP its interesting to see that the Police also feel that ‘Having WEP encryption is like using a closed screen door as your sole means of security at home. The WPA or WPA2 security encryption is certainly what we would recommend as it offers a high degree of protection.’”

Source: Queensland Police to Look For Unsecured WiFi Spots

From Analog TV to Super WiFi: Spectrum Auction Will Open Way for Fast Wireless Future

February 29th, 2012 02:18 admin View Comments
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