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Talk:Bluetooth: Difference between revisions

1,131 bytes added ,  18 June 2003
some early info on Bluetooth 1.2 and 2.0
m (note on the 5GHz ISM band)
 
(some early info on Bluetooth 1.2 and 2.0)
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===Bluetooth 1.2===
* Backward compatible with 1.1
* Baseband platform already available from [[Ericsson]] Techonology Licensing
* Adaptative Frequency Hopping ([[AFH]]) provides better immunity to interference from other devices (such as 802.11 devices)
* [[Scatternet]] ability (Running multiple [[Piconet]]s simultaneously, making it possible to interconnect piconets)
* Extended SCO (ESCO) (whatever that means)
* Improved [[QoS]]
* Faster connections then in 1.1
===Bluetooth 2.0===
'''First news/rumors'''
* Backward compatible with 1.1 and 1.2
* This version is rumored to contain new speeds of 4,8 and 12 Mbps.
* A new way of communication: non-hopping narrowband connections, which sounds like a broadcast channel that can be read by all devices in the coverage area.
* 2.0 dispenses with the master/slave situation making every device able to keep a piconet running, while as in the 1.1 spec if the master leaves the piconet is dropped for all slaves
* The release of the 2.0 specification will propably be delayed to 2004, even though there are already prototypes running in Ericssons labs
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I wish that the future WLAN specs and products would use 5Ghz [[ISM]] band, like 802.11a and some HiperLANs do, but we'll have to see what's going to happen [[User:Juxo|Juxo]] 16:50 Jun 5, 2003 (EEST)
I wish that the future WLAN specs and products would use 5Ghz [[ISM]] band, like 802.11a and some HiperLANs do, but we'll have to see what's going to happen [[User:Juxo|Juxo]] 16:50 Jun 5, 2003 (EEST)
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