This paper presents a novel and cost
effective method to be used in the optimization of the Gaussian Frequency Shift
Keying (GFSK) at the receiver of the Bluetooth communication system. The
proposed method enhances the performance of the noncoherent demodulation
schemes by improving the Bit Error Rate (BER) and Frame Error Rate (FER)
outcomes. Linear, Extended, and Unscented Kalman Filters are utilized in this
technique. A simulation model, using Simulink, has been created to simulate the
Bluetooth voice transmission system with the integrated filters. Results have
shown improvements in the BER and FER, and that the Unscented Kalman Filters
(UKF) have shown superior performance in comparison to the linear Kalman Filter
(KF) and the Extended Kalman Filter (EKF). To the best of our knowledge, this
research is the first to propose the usage of the UKF in the optimization of
the Bluetooth System receivers in the presence of additive white Gaussian noise
(AWGN), as well as interferences.
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