交织编码对蓝牙抗干扰性能改善的研究

doi:10.3969/j.issn.1001-2400.2013.03.016

Abstract

Abstract:

The error correction algorithms of Bluetooth are analyzed and improved for the defect of anti-interference ability. To enhance the data transmission throughput and anti-interference ability efficiently, an error correction enhancing mechanism (EECM) combining the forward error correction with interleaving is adopted for Bluetooth, a method of adding the DM packet with an interleaving code to the Bluetooth 2.1+EDR specification is proposed. The mathematical models of the data transmission throughput are set up over the Gillbert-Elliott channel; A numerical simulation of the throughput of different packets in different burst errors are carried out using the model. Simulation results show that adding DM packets and DMI packets to Bluetooth 2.1+EDR specification can improve the anti-interference ability and enhance data transmission throughput significantly in the burst errors channel. Finally, the realized results of the enhanced IP and enhanced Bluetooth baseband IP are obtained by using VLSI design techniques. The performance of the enhanced the Bluetooth baseband is analyzed in comparison with the standard Bluetooth baseband.

Key words: bluetooth, interleaving, 2.1+EDR specification, throughput, Gillbert-Elliott channel

CLC Number:

TN914.4

NIU Yufeng;ZHUANG Yiqi;LI Zhenrong;XU Fei. Enhancing Bluetooth 2.1's anti-interference ability based on interleaving coding[J].J4, 2013, 40(3): 109-114+211.

References

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Enhancing Bluetooth 2.1's anti-interference ability based on interleaving coding

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