Kardach was later quoted as saying, “King Harald Bluetooth…was famous for uniting Scandinavia just as we intended to unite the PC and cellular industries with a short-range wireless link.” Bluetooth was only intended as a placeholder until marketing could come up with something really cool. Upon discovering a picture of the Harald Bluetooth rune stone in the book Gwyn Jones's A History of the Vikings, Jim proposed Bluetooth as the codename for the short-range wireless program which is now called Bluetooth.
Bengtsson's The Long Ships, a historical novel about Vikings and the 10th-century Danish king Harald Bluetooth. The name was inspired by a conversation with Sven Mattisson who related Scandinavian history through tales from Frans G. The name “Bluetooth” was proposed in 1997 by Jim Kardach of Intel, one of the founders of the Bluetooth SIG. 7.2.8 Audio/Video Distribution Transport Protocol.7.2.7 Audio/Video Control Transport Protocol.7.2.6 Bluetooth Network Encapsulation Protocol.7.2.3 Logical Link Control and Adaptation Protocol.By 2017, there were 3.6 billion Bluetooth devices shipping annually and the shipments were expected to continue increasing at about 12% a year. As of 2009, Bluetooth integrated circuit chips ship approximately 920 million units annually. A network of patents apply to the technology, which are licensed to individual qualifying devices. A manufacturer must meet Bluetooth SIG standards to market it as a Bluetooth device. The Bluetooth SIG oversees development of the specification, manages the qualification program, and protects the trademarks. The IEEE standardized Bluetooth as IEEE 802.15.1, but no longer maintains the standard. In the most widely used mode, transmission power is limited to 2.5 milliwatts, giving it a very short range of up to 10 meters (30 feet).īluetooth is managed by the Bluetooth Special Interest Group (SIG), which has more than 35,000 member companies in the areas of telecommunication, computing, networking, and consumer electronics.
It is mainly used as an alternative to wire connections, to exchange files between nearby portable devices and connect cell phones and music players with wireless headphones. It was originally conceived as a wireless alternative to RS-232 data cables. More than a kilometer, Less than a meter īluetooth is a short-range wireless technology standard that is used for exchanging data between fixed and mobile devices over short distances using UHF radio waves in the ISM bands, from 2.402 GHz to 2.48 GHz, and building personal area networks (PANs). Now you can find WICD in your menu Start WICD, find the network you want to use and enter the information needed, password, encryption, etcetera and choose Automatically Connect to this network.Short distance wireless technology standard
To download and install WICD sudo apt-get install wicd-gtkĪnd now you need to uninstall NetworkManager: sudo apt-get remove -purge network-manager-gnome network-manager Its a very good alternative to network manager in Ubuntu and it seems to always work when Network Manager doesn't.
I like to use WICD because it is a simple and easy to use network manager. Reboot and your wifi should be working.Īlso as mentioned above network manager is buggy. Also hit the key on your keyboard that switches your wifi on and off.Īnother method that usually 100% effective is to simply connect your cable wire to your laptop for a few minutes then unplug it.