It defines air interface, frequency bands, frequency hopping specifications, and modulation techniques.īaseband − This protocol takes the services of radio protocol. Radio − This is a physical layer equivalent protocol that lays down the physical structure and specifications for transmission of radio waves. Physical Layer − This includes Bluetooth radio and Baseband (also in the data link layer. Protocols in the Bluetooth Protocol Architecture The protocols in the Bluetooth standard can be loosely grouped into the physical layer, data link layer, middleware layer, and application layer as shown in the following diagram − ![]() The Bluetooth architecture has its own independent model with a stack of protocols, instead of following the standard OSI model or TCP/IP model. ![]() Bluetooth network technology connects mobile devices wirelessly over a short-range to form a personal area network (PAN).
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May 2023
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