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Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete

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Sigma
User ID: 261620

United States
7/19/2007 3:34 PM
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Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete

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Science Daily — New research at the Georgia Institute of Technology could soon make that tangle of wires under desks and in data centers a thing of the past.

Scientists at the Georgia Electronic Design Center (GEDC) at Georgia Tech are investigating the use of extremely high radio frequencies (RF) to achieve broad bandwidth and high data transmission rates over short distances.

Within three years, this "multi-gigabit wireless" approach could result in a bevy of personal area network (PAN) applications, including next generation home multimedia and wireless data connections able to transfer an entire DVD in seconds.

The research focuses on RF frequencies around 60 gigahertz (GHz), which are currently unlicensed -- free for anyone to use -- in the United States. GEDC researchers have already achieved wireless data-transfer rates of 15 gigabits per second (Gbps) at a distance of 1 meter, 10 Gbps at 2 meters and 5 Gbps at 5 meters.

"The goal here is to maximize data throughput to make possible a host of new wireless applications for home and office connectivity," said Prof. Joy Laskar, GEDC director and lead researcher on the project along with Stephane Pinel.

GEDC's multi-gigabit wireless research is expected to lend itself to two major types of applications, data and video, said Pinel, a GEDC research scientist.

Very high speed, peer-to-peer data connections could be just around the corner, he believes -- available potentially in less than two years.

Devices such as external hard drives, laptop computers, MP-3 players, cell phones, commercial kiosks and others could transfer huge amounts of data in seconds. And data centers could install racks of servers without the customary jumble of wires.

"Our work represents a huge leap in available throughput," Pinel said. "At 10 Gbps, you could download a DVD from a kiosk to your cell phone in five seconds, or you could quickly synchronize two laptops or two iPods."

The input-output (I/O) system of current devices cannot approach such speeds.

Moreover, Pinel said, users of multi-gigabit technology could wirelessly connect to any device that currently uses Firewire or USB.

Wireless high-definition video could also be a major application of this technology. Users could keep a DVD player by their side while transmitting wirelessly to a screen 5 or 10 meters away.

Currently, Pinel said, the biggest challenge is to further increase data rates and decrease the already-low power consumption, with a goal to double current transmission rates by next year. The Georgia Tech team is seeking to preserve backward compatibility with the WiFi standard used in most wireless LANs today.

GEDC researchers are pursuing this goal by modifying the system architecture to increase intelligence and effectiveness in the CMOS RF integrated circuits that transmit the data. The researchers are using advanced computer-aided design tools and testbed equipment to recalibrate system models and achieve the desired improvements in speed and functionality.

Investigators are placing special emphasis on implementing an RF concept called single-input-single-output (SISO) / multiple-input-multiple-output (MIMO), which enables ultra-high data throughput. At the same time, they seek to preserve backward compatibility with WLAN 802.11, the WiFi standard used in most wireless LANs today.

"We are pursuing a combination of system design and circuit design, employing both analog and digital techniques," Pinel said. "It's definitely a very exciting mixed-signal problem that you have to solve."

Even when sitting on a user's desk, Pinel stresses, a multi-gigabit wireless system would present no health concerns. For one thing, the transmitted power is extremely low, in the vicinity of 10 milliwatts or less. For another, the 60 GHz frequency is stopped by human skin and cannot penetrate the body.

The fact that multi-gigabit transmission is easily stopped enhances its practicality in an office or apartment setting, he adds. The signals will be blocked by any wall, preventing interference with neighbors' wireless networks.

Currently there are no world standards in this bandwidth, explains GEDC Director Laskar. To address the situation, representatives of the ECMA International computer-standards organization met at GEDC in February to discuss a new international 60 GHz standard. The three-day gathering included representatives from the Electronics and Telecommunications Research Institute of Korea, GEDC, Intel Corp., IBM Corp., Matsushita Electric Industrial Co. Ltd. (Panasonic), Newlans, Philips Semiconductors, Samsung Electronics Co. Ltd and Samsung Electro-Mechanics Co. Ltd. The ECMA International organization will meet again at GEDC in October to finalize the technical decisions.

The IEEE, the top international association of electrical engineers, is also weighing a 60 GHz standard, to be called 802.15.3C.

Laskar believes that additional applications will emerge as multi-gigabit technology becomes standardized and gains maturity.

"The promise of multi-gigabit wireless is tremendous," he said. "The combination of short-range functionality and enormous bandwidth makes possible a whole range of consumer and business applications that promise great utility."

[link to www.sciencedaily.com]

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Anonymous Coward
User ID: 74018

United Kingdom
7/19/2007 3:59 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete	Quote
We won't need cookers soon either! just leave the raw food out in the open, anywhere in the house, and it'll be done to a fucking turn! ..and the very amusing thing is, the will pay a fucking king's ransom for the privleige as well!

Mr. Predictor Subscriber

Forum Moderator
User ID: 245264

United States
7/19/2007 4:02 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete	Quote
this is what HAARP is all about next step is to install a WiFi chip in our brain “A government big enough to give you everything you want is big enough to take away everything you have.” - President Gerald Ford

Lucian Ilea
User ID: 269207

Romania
7/19/2007 4:03 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete

Quote

A user in Norway is connected at 40 Gbps to a Nokia experimental network,using fiber cable

Lucifer.Zalmoxe.Hermes.Kaital II.Toth.Ram.Apollo.Jesus.Enki.Osiris.Saturn.Lucian Ilea.Nimrod.Marduk.Jade Emperor.Alexandru.Silver Pahishah.Quetzalcoatl.Caligulas.Popocatepetl.Dan.Julius Caesar.Light Bringer
We are in the last stages of our planetary little drama
All the posts of this energy being have absolutely no connection with stupidity or ignorance,so read them at your own risk!

Spot
User ID: 259438

United Kingdom
7/19/2007 4:08 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete	Quote
This is all very well, but why hasn't anyone come up with a wireless video cable ? I am referring to that bulky cord that connects the back of the monitor to the computer; it has remained almost unchanged for the last 20 or 30 years.

Sigma
User ID: 261620

United States
7/19/2007 4:10 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete

Quote

We won't need cookers soon either!

just leave the raw food out in the open, anywhere in the house, and it'll be done to a fucking turn!

..and the very amusing thing is, the sheep

will pay a fucking king's ransom for the privleige as well!

rofl

Quoting: Anonymous Coward 74018

So we can put our Hot Pockets on our computer desk and cook it with having to leave the computer!

chuckle

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Mr. Predictor Subscriber

Forum Moderator
User ID: 245264

United States
7/19/2007 4:12 PM

Re: Multi-gigabit Wireless Research Could Soon Make Wired Computers And Peripherals Obsolete

Quote

This is all very well, but why hasn't anyone come up with a wireless video cable ?

I am referring to that bulky cord that connects the back of the monitor to the computer; it has remained almost unchanged for the last 20 or 30 years.

Quoting: Spot

here is a USB monitor [link to www.displaylink.com]

I did read about a wireless HDTV the other day

“A government big enough to give you everything you want is big enough to take away everything you have.” - President Gerald Ford

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