![]() These layers range from the lower level hardware-based radio system, to an upper level software stack that specifies the linkages between the layers (Figure 1). Think of Bluetooth as having two well-defined layers of functionality in the stack. Each layer in a protocol stack talks to the layer above it and to the layer below it. The Bluetooth protocol stack is a set of layered programs. The heart of this specification is the protocol stack, which is used to define how Bluetooth works. The protocol stack defines how the technology works, and how it is to be used to accomplish specific tasks.īluetooth is both a hardware-based radio system and a software stack that specifies the linkages between the architecture layers of the two. The heart of Bluetooth is the protocol stack. Bluetooth exchanges data using short-wavelength transmissions in the ISM 2.4 GHz band. It builds on the concept of personal area networks (PANs), or Piconets. For a detailed understanding, the reader is advised to seek more detailed expert interaction.Īs a refresher, Bluetooth is a wireless technology standard used to exchange data over short distances, from fixed and/or mobile devices. The purpose has been to provide a basic understanding of Bluetooth technology, in general. This post wraps up our six-part series on Bluetooth 101.
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