Archive for category Networking

Bluetooth 3.0 under the hood

Bluetooth 3.o is out finally but what makes it better? According to the official website:

Tokyo, Japan – April 22, 2009 – From its annual All Hands Meeting in Tokyo this week, the Bluetooth SIG formally adopted Bluetooth Core Specification Version 3.0 High Speed (HS), or Bluetooth 3.0. This latest iteration of the popular short-range wireless technology fulfills the consumers’ need for speed while providing the same wireless Bluetooth experience – faster. Manufacturers of consumer electronics and home entertainment devices can now build their products to send large amounts of video, music and photos between devices wirelessly at speeds consumers expect.

Bluetooth 3.0 gets its speed from the 802.11 radio protocol. The inclusion of the 802.11 Protocol Adaptation Layer (PAL) provides increased throughput of data transfers at the approximate rate of 24 Mbps. In addition, mobile devices including Bluetooth 3.0 will realize increased power savings due to enhanced power control built in.

….Utilizing the 802.11 radio was a natural choice as it provides efficiencies for both our members and consumers – members get more function out of the two radios they are already including in devices, and consumers with Bluetooth v3.0 HS products will get faster exchange of information without changing how they connect. We are excited to expand the possibilities of the PAN.

This newest version of Bluetooth technology builds on the inherent qualities of the current 2.1 EDR version, including Simple Secure Pairing and built-in, automatic security. And as with all versions of the Bluetooth specification, Bluetooth 3.0 HS provides developers, manufacturers and consumers with the benefit of backwards compatibility, enabling both the expansion and enhancement of this technology with every new specification release.

So, faster transfer speed, lower battery consumption and easier PAN (Personal Area Networking) seams to be the major upgrades. For those who are not aware of the cool etymolgy of Bluetooth, Wikipedia states:

The word Bluetooth is an anglicised version of Danish Blåtand, the epithet of the tenth-century king Harald I of Denmark and parts of Norway who united dissonant Danish tribes into a single kingdom. The implication is that Bluetooth does the same with communications protocols, uniting them into one universal standard.[2][3][4]

The Bluetooth logo is a bind rune merging the Younger Futhark runes H-rune.gif (Hagall) and Runic letter berkanan.svg (Bjarkan), Harald‘s initials.

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HD Base T : The great unifier and HDMI slayer

HD Base T : HD video, power, network data and audio over CAT5e
The guys over at HDBaseT have finally finalized the specifications. With Sony, Samsung and LG behind it, we should start seeing some implementation in the next 6-12 months. Hurray!! The cable clutter might have a solution in sight. HDBaseT carries HD video, audio, network traffic and (drumroll) power over standard Cat 5e/6 Ethernet cable. The big boys behind it are pushing it as an all-in-one connector for devices ranging from PCs to net-connected televisions, games consoles and mobile devices. HOW TO MAKE MONEY ONLINE Related Websites
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