BLUETOOTH STACK Meaning and
Definition
-
Bluetooth stack refers to the software component or protocol stack that enables the functioning of Bluetooth wireless technology on various devices. It is a combination of layered protocols that work together to facilitate communication between Bluetooth-enabled devices.
At the lowest layer, the Bluetooth stack includes the radio layer, which deals with the physical transmission of data using radio waves. Above that, the baseband layer manages the basic functions of Bluetooth, such as establishing connections and controlling data transmission.
The next layer is the logical link control and adaptation protocol layer (L2CAP), responsible for segmentation and reassembly of data packets, as well as providing a multiplexing mechanism to support simultaneous communication between different applications.
The Service Discovery Protocol (SDP) layer enables devices to discover and advertise services available on a Bluetooth device. It allows devices to find each other and establish connections based on the services they provide.
Furthermore, the stack includes protocols for managing connections, such as the Link Manager Protocol (LMP) and the Host Controller Interface (HCI), which handles the interaction between the Bluetooth hardware and higher-level software.
Overall, the Bluetooth stack acts as an intermediary between the Bluetooth hardware and the applications running on a device, ensuring seamless communication and interoperability between different Bluetooth-capable devices.
Etymology of BLUETOOTH STACK
The word "Bluetooth stack" is a combination of two terms: "Bluetooth" and "stack".
The term "Bluetooth" originated from the Danish king Harald Bluetooth, who was known for his diplomacy in uniting various Scandinavian tribes in the 10th century. The Bluetooth technology, developed by Ericsson, was named after King Bluetooth, as it aimed to unite different communication protocols and devices under a single standard, just like Harald Bluetooth united tribes.
The term "stack" refers to a software subsystem that manages communication protocols or layers. It is derived from the concept of a stack data structure, where newer elements are added or removed from the top, reflecting the way communication protocols are layered on top of each other.
Therefore, the term "Bluetooth stack" refers to the set of protocols and software layers that enable Bluetooth wireless communication between devices.
