Bluetooth 4.0 devices by the end of the year?
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June 22, 2010 10:00 AM
This month’s IEEE Spectrum had an article about the next major release of Bluetooth. This one draws upon some of the capabilities of the IEEE 802.11x standards to expand the range and performance. It also has a low-energy option that is part of the standard so Bluetooth can be used in a wider range of applications where transmission power and data throughput are not important.
There are there technologies in the standard that can be implemented in a single chip:
- Classic – the one that we’re used to that provides about 3 Mb/second over a range of about 10 meters at 2.4 GHz
- High-speed – Incorporates 802.11g to provide 54 Mbps over a range of about 100 meters
- Low-energy – also uses 2.4 GHz and has a data transfer rate of about 1Mbps. Examples described include data transfer from a pedometer to a person’s watch that has more computational capabilities.
To conform to the standard, device makers will need to implement at least the low-energy version. Since Moore's law is allowing more computation at lower power levels, we need advanced wireless technoloogies to gather the information and make it more useful.
Originally posted on The Next Big Thing blog
| Blogger Profile: Charlie Bess | |
| Charles Bess has worked in the Information Technology industry for about 30 years supporting a variety of large organizations and industries. Charlie has performed a variety of formal and technical leadership roles throughout EDS and now HP. He is a licensed professional engineer and in 2002, a senior member of IEEE and was recognized as a Fellow within HP for his focus on value delivery and innovation. Currently he is focused on the Chief Technologist functional relationship between HP and its largest clients. In addition to these activities, Charlie has also worked as a public speaker, advisor to SMUs MBA program and supported engineering and computer science activities at Purdue University and University of North Texas. He’s been blogging on technology and business value related topics since early 2003. |  |
