Principles of Bluetooth implementation 5.2: hardware implementation.

Keywords: implementation, hardware, Bluetooth, data transfer, wireless connection, technology, digital information, security.

Abstract

The article reveals the principles of implementation of Bluetooth 5.2 in terms of hardware implementation. The evolution of Bluetooth technology is described, innovative features of Bluetooth 5.2 are given, the main advantages are defined. The mechanism of establishing communication is described and the stages of realization of the latter are described. An algorithm for forming a point-to-point connection using Bluetooth technology with a detailed description of the process is proposed. The stack of Bluetooth protocols is characterized. The functional affiliation of each protocol is determined and the principle of interaction between protocols is described. It is noted that in today's environment, a number of modern companies have integrated the basic functions of the broadband Bluetooth in the hardware, other companies provide a host management interface. It is emphasized that the ARM-based system for the implementation of Bluetooth transmission includes a number of additional components connected to each other by the data bus. The interaction of Bluetooth hardware with the establishment of functional connections is schematically presented. The principle of data encryption implementation (streaming cipher function) in hardware is substantiated. It is noted that the use of streaming cipher in hardware removes continuous load from the processor over the wireless channel during data transmission, and the implementation of the mechanism of key generation and authentication in hardware (rather than software) leads to faster connection time and minimizes power consumption. The proposed system architecture for the implementation of Bluetooth 5.2 hardware, taking into account the function of crypto security, describes the communication flows based on the system and describes each available functional unit with the separation of its own accessories and tasks. Describes the breadth of the range of applications of Bluetooth 5.2, highlighting such areas as: smart devices; mass media (television, radio broadcasting); dual broadcast (dual broadcast function, helps to transfer identical information via LE Audio equipment and duplicate via Bluetooth headset or corresponding mobile application, it can save a lot of time and energy); multilingual translation in real time (this feature is convenient when communicating in different languages or listening to information in different languages).

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Published
2022-03-31
How to Cite
Ozerchuk І. (2022). Principles of Bluetooth implementation 5.2: hardware implementation. COMPUTER-INTEGRATED TECHNOLOGIES: EDUCATION, SCIENCE, PRODUCTION, (46), 36-42. https://doi.org/10.36910/6775-2524-0560-2022-46-06