Saturday, 23rd April 2011
Bluetooth 3.0 – Do You Know It Enough?
Text by Richie Setiawan
The Bluetooth SIG (Special Interest Group) – an institution with the task of overseeing the development as well as licensing of the Bluetooth trademarks and technologies – has now officially announced the existence of the next standard which is Bluetooth 3.0 + HS. For one obvious thing, this new standard will have a faster data transfer rate than that of the previous standard which reaches 3Mbps. The new standard will offer 24Mbps instead.
This is possible because the new standard utilizes 802.11 PAL – which stands for Protocol Adaptation Layer – that has first been used by Wi-Fi connectivity modules. With this new layer, the new standard makes it possible for us to transfer data between a camcorder and an HDTV, printer and UMPC, PC and PMP, and so on. This is far better compared to the previous Bluetooth standard which is mainly reliable only for exchanging images between one device and another.
However, one thing that we should note is that Bluetooth 3.0 + HS will require more power in order to function properly. Considering its ability to send 24Mb of data per second, this is quite sensible. Besides, when it is not making any transfers, the new standard consumes very little power. Yet, more power schemes are to be introduced some time later.
According to Mike Foley – who happens to be entrusted as the executive director at the Bluetooth SIG, another good thing about the new standard is that we can upgrade our Bluetooth 2.1 + EDR capable computer to Bluetooth 3.0 as long as we also have 802.11 Wi-Fi on our computer. Fortunately, most of the notebook computers that exist at present have already met these requirements. Unfortunately, devices such as PDAs or mobile phones are not likely to meet the requirements. Yet, we don’t have to worry as it won’t take long before we see Bluetooth 3.0 + HS dongles connected to a major number of devices as they did with the previous Bluetooth standard. By now, there have already been quite a few computer vendors that implement Bluetooth 3.0 + HS onto their products. One example is Gigabyte with its P2532 laptops.
Yet, there are also rumors that somewhere between 9 to 12 months, most devices will have been ready with the Bluetooth 3.0 + HS standard. At least, Atheros, CSR and Broadcom have been gathering in order to hand over silicon solutions to computer vendors that we may well avail.
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