April 2017
Intermediate to advanced
242 pages
6h 10m
English
Content preview from Building Bluetooth Low Energy Systems
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Bluetooth versions
From 1999 till 2009, many versions of Bluetooth were released. Solving many problems from the initial release while increase the speed and the connection quality. It was not until the version 3.0 when Bluetooth could achieve a speed of 24 Mbit/s. During this evolution, a continuous change in the protocol stack can be observed to solve various issues in the technology. For example, in Bluetooth v3.0, Logical Link Control and Adaption Protocol (L2CAP) was introduced to multiplex multiple logical connections between various devices using different protocols. Service Discovery Protocol (SDP) was also introduced to connect to the Bluetooth devices like headsets etc. During this period of time, the member companies of Bluetooth ...
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