Research On Wireless Communication System Based On Bluetooth

As a new kind of technology for short range wireless communication, Bluetooth aims to replace the cables between the information equipments with radio wave and establish a personal area network for them to communicate with each other. This paper is concentrated on the study of Bluetooth. First, the history and features of Bluetooth are introduced. Then the protocols of Bluetooth are discussed with emphasis on baseband protocol, link manager protocol, logical link control and adaptation protocol. The protocol stack and realization of wireless earmic based on Bluetooth are also explained. Based on these, the scheme of wireless earmic is presented. In this scheme, MSP430F1121, TRF6900 and TLV320AC36 are chosen as the hardwares for this system. The assemble language for MSP430 is adopted as programming language to develop baseband software. Finally wireless voice transmission in short distance is implemented.