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17-11-2010, 09:25 PM
Post: #1
wibree technology
i need ppt presentation on wibree technology.give idea about this technology.

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18-11-2010, 10:24 AM
Post: #2
RE: wibree technology
hi
pls go through the following thread for more details on 'wibree technology'

http://www.seminarprojects.com/Thread-wibree
05-09-2012, 10:44 AM
Post: #3
RE: wibree technology
Wibree Technology


.pdf  Wibree.pdf (Size: 329.11 KB / Downloads: 32)

INTRODUCTION:

Objective:

Wibree is a short-range wireless protocol optimized for low power consumption.
Developed primarily by Nokia, the company has submitted Wibree as an open standard to
promote adoption and interoperability.
Wibree technology complements close range communication with Bluetooth like
performance within 0-10 m range and data rate of 1 Mbps. Wibree is optimized for applications
requiring extremely low power consumption, small size and low cost.
Wibree is the first wireless technology to solve the following needs in a single solution.
· Ultra low peak, average & idle mode power consumption
· Ultra low cost & small size for accessories & human interface devices
· Minimal cost & size addition to mobile phones & PCs
· Global, intuitive & secure multi-vendor interoperability.

Wibree Technology:

Wibree is an innovative digital radio technology that can soon become a benchmark for
the open wireless communication. Working almost equivalent to the Bluetooth technology, this
modern technology functions within an ISM band of 2.4 GHz and amid a physical layer bit rate
of 1 Mbps.
Widely used in may appliances like the wrist watches, wireless keyboards, toys and
sports sensors due to its key feature of very low consumption of power within the prescribed
ranges of 10 meters or 30 feet using the low cost transceiver microchips, it can generate an
output power ofm-6 dBm.
Conceived by the Nokia Company in 10-03-2006, it is today licensed and further
researched by some of the major corporates that includes Nordic Semiconductor, Broadcom
Corporation, CSR, Epson, Suunto and Taiyo Yuden

Evolution of WIBREE:

In 2001, Nokia researchers determined that there were various scenarios that
contemporary wireless technologies did not address. To address the problem, Nokia Research
Center started the development of a wireless technology adapted from the Bluetooth standard
which would provide lower power usage and price while minimizing difference between
Bluetooth and the new technology. The results were published in 2004 using the name Bluetooth
Low End Extension. After further development with partners, e.g., within EU FP6 project
MIMOSA, the technology was released to public in October 2006 with brand name Wibree.
After negotiations with Bluetooth SIG members, in June 2007, an agreement was reached to
include Wibree in future Bluetooth specification as an Bluetooth ultra-low-power technology,
now known as Bluetooth low energy technology.
Bluetooth enabled devices will benefit from a dual-mode chip solution, allowing
Bluetooth users to connect with Wibree-enabled devices. The technology was announced on the
third of October, 2006. It is a digital radio technology, powered by button cells. It works over a
range of ten meters.
Wibree devices also make use of a standalone chip (for devices designed around the
Wibree standard alone). It is going to be a means of wireless communication between mobile
devices, between PCs and mobile devices, and also between PCs and other wireless enabled PC
devices that incorporate the technology. These devices will probably include printers, key
boards, and mice. Also included will be a range of other smaller devices such as watches, sensors
and toys. It is these smaller devices which make the Wibree unique, and therefore a technology
to watch.

.Where wibree came from:

In 2001 two industry groups put forward proposals for the form of this radio. Nokia
headed one of the groups and proposed a development that was handset centric. A major tenet of
their design was that “it can be deployed with minor effort into devices already having
Bluetooth, e.g. cellphones” with the added requirement that a “common RF section with
Bluetooth must be possible”. Their vision was also broader that that of the competing camp in
that it envisaged a world of a trillion wireless, web connected devices. A key slide shows
millions of connected laptops, billions of mobile phones and trillions of what could be
interpreted as Wibree enabled devices.
In the event, the IEEE committee chose to adopt the alternative proposal for the 802.15.4
standard. However, Nokia didn’t stop work on their proposal. Over the intervening years it has
developed and matured into what has now been announced to the world as Wibree.The original
proposals are still available for public viewing on the IEEE site.
The name has also raised eyebrows. Like Bluetooth, it is a new word that tells us little of
the technology. The “Wi” is the now obligatory prefix for “wireless”, with Nokia claiming that
the “bree” comes from the Old English word for a ‘crossroad’. So we have “Wireless at the
Crossroad”, Whichever takes your fancy; one thing is certain - Wibree will certainly herald a
new era of personal wireless connectivity. And the engagement of the major Bluetooth silicon
vendors will ensure that it will quickly appear in hundreds of millions of handsets.

.Wibree device architecture:

Wibree specification has been created by having two equally important implementation
alternatives in mind, namely dual-mode and stand-alone. In the dual mode implementation the
Wibree functionality is an add-on feature inside Bluetooth circuitry sharing a great deal of
existing functionality resulting in a minimal cost increase compared to existing products. The
dual modes are targeted at mobile phones, multimedia computers and PCs. The stand alone
implementations are power and cost optimized designs targeted at, for example, sport, wellness,
and human HID product categories.
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