News & Information for Technology Purchasers NewsFactor Sites:     Enterprise Security Today     CRM Daily     Business Report     Sci-Tech Today  
This ad will display for the next 20 seconds. Click for more information, or
Home Enterprise I.T. Cloud Computing Applications Hardware More Topics...
Let an ISACA® certification
elevate your career.

Register today and save
Real-time info services with Neustar
Average Rating:
Rate this article:  
Researchers Develop Home Gestural Control Using Wi-Fi
Researchers Develop Home Gestural Control Using Wi-Fi

By Barry Levine
June 5, 2013 10:42AM

    Bookmark and Share
In order to avoid random gestures that the receiver might interpret as commands, WiSee would require a gesture sequence prior to a command, the equivalent of the Star Trek crew saying "computer" before they give a command to their all-knowing system. Additionally, a specific gesture could be programmed to refer to a specific device, such as an up-and-down arm motion indicating that the volume on the main sound system should be lowered or raised.

You wave your arm while in the shower to lower the music volume, or you make a hand gesture in the air from bed to turn up the thermostat. That vision of a gesture-anywhere life may have taken a step closer toward reality as a result of newly revealed research on using household Wi-Fi signals instead of a camera for gestural interaction.

The research, conducted by a team at the University of Washington's computer science department, has been submitted to the 19th Annual International Conference on Mobile Computing and Networking, scheduled to take place in the fall in Miami. The research team calls the system WiSee, and it leverages Wi-Fi signals to read body movements without special sensors or cameras, such as in Microsoft's Kinect system.

Instead, WiSee utilizes an adapted router and some wireless devices connected to household devices and appliances. Lead researcher Shyam Gollakota, an assistant professor at UW in computer science and engineering, said in a statement that WiSee repurposes wireless signals "that already exist in new ways."

Doppler Effect

The team said that, while the concept is similar to Kinect and other gestural input system, it is simpler, cheaper, does not need cameras or distributed sensors, and does not require users to be in the same room as the device they're controlling, since Wi-Fi signals can travel through walls.

The system involves an intelligent receiver, which could be an adapted Wi-Fi router, that monitors all wireless transmissions from smartphones, laptops, tablets and other devices in the home. Movement by a person in this kind of field creates a slight change in the wireless signal frequencies, similar to the Doppler effect, a change in the perceived frequency of electromagnetic waves based on the positions of the source and an observer.

The resulting changes are on the order of a few hertz in Wi-Fi signals that operate at 5 gigahertz and have a bandwidth of about 20 MHz. The receiver's software can detect those tiny shifts, as well as account for devices that have stopped transmitting, such as a smartphone that's been turned off.

The software is currently designed to recognize nine body gestures, including pushing, pulling, punching and full-body bowling. On tests with five users in a two-bedroom apartment and in an office environment, the WiSee system could accurately recognize 94 percent of the gestures. The receiver has multiple antennae, each turned to a specific user's movements, to allow up to five users to perform gestural commands in the same home. The researchers plan next to work on the ability to control multiple devices with one gesture. (continued...)

1  |  2  |  Next Page >


Tell Us What You Think


Dawn Roberts:

Posted: 2013-06-14 @ 12:48pm PT
I love the idea of being able to do this purely for the fact that that means we are still advancing to what can be out there. As a scientist myself I look forward to seeing how far we can advance.

APC has an established a reputation for solid products that virtually pay for themselves upon installation. Who has time to spend worrying about system downtime? APC makes it easy for you to focus on business growth instead of business downtime with reliable data center systems and IT solutions. Learn more here.

1.   IBM Earmarks $3B for Next-Gen Chips
2.   Most Networks Not Ready for IoT
3.   Gartner Sees Tablets Up, PCs Down
4.   Review: Tablets with Keyboard Covers
5.   Oracle Boosts ZS3 Storage Server Line

Product Information and Resources for Technology You Can Use To Boost Your Business

Network Security Spotlight
Charges: Russian Stole Data from U.S. Restaurants, Zoo
A Russian man arrested on bank fraud and other charges hacked into computers at restaurants in Washington, hundreds of other retail businesses, and even the Phoenix Zoo, authorities say.
Another Month, Another IE-Focused Patch Tuesday
Microsoft rolled out 59 vulnerabilities for Internet Explorer in June. But the IE-patching party is not over yet. Redmond published six new security bulletins on Tuesday; two, critical; three, important.
Russian Arrested in Hacking Case Filed in Seattle
The U.S. Secret Service has arrested a Russian man who is accused of hacking store computers to steal thousands of credit card numbers, charging him with bank fraud, identity theft and more.

Enterprise Hardware Spotlight
Another Day, Another Internet of Things Consortium Is Born
In the emerging Internet of Things, zillions of devices will be talking to each other. Samsung, Intel and Dell just formed a consortium to ensure each thing can understand what others are saying.
Gartner Sales Study Sees Tablets Up, PCs Down but Recovering
Are PCs on the comeback trail? That depends on how you define "comeback." While tablet sales remain strong, Gartner's latest study found PC shipments aren't dropping as fast as they did last year.
Review: Warming Up to Tablets with Keyboard Covers
If you've ever thought tablets with keyboard covers were just a poor excuse for a laptop, think again. Nokia's Lumia 2520 comes with an optional keyboard cover that just may change your mind.

NewsFactor Network
Home/Top News | Enterprise I.T. | Cloud Computing | Applications | Hardware | Mobile Tech | Big Data | Communications
World Wide Web | Network Security | Data Storage | Small Business | Microsoft/Windows | Apple/Mac | Linux/Open Source | Personal Tech
Press Releases
NewsFactor Network Enterprise I.T. Sites
NewsFactor Technology News | Enterprise Security Today | CRM Daily

NewsFactor Business and Innovation Sites
Sci-Tech Today | NewsFactor Business Report

NewsFactor Services
FreeNewsFeed | Free Newsletters | XML/RSS Feed

About NewsFactor Network | How To Contact Us | Article Reprints | Careers @ NewsFactor | Services for PR Pros | Top Tech Wire | How To Advertise

Privacy Policy | Terms of Service
© Copyright 2000-2014 NewsFactor Network. All rights reserved. Article rating technology by Blogowogo. Member of Accuserve Ad Network.