An application of MB-OFDM UWB technology for wireless speaker systems

Do Hoon Kim; Kyu Min Kang; Chungyong Lee

doi:10.1109/TCE.2012.6414982

An application of MB-OFDM UWB technology for wireless speaker systems

Do Hoon Kim, Kyu Min Kang, Chungyong Lee

Department of Electrical and Electronic Engineering

Research output: Contribution to journal › Article › peer-review

1 Citation (Scopus)

Abstract

We propose an application of multi-band orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) technology for wireless speaker systems which offer superior high-fidelity audio quality. The proposed scheme applies a (255,171) Reed-Solomon (RS) code and a 1/2 punctured convolutional code to the payload data in order to improve the receiver sensitivity without decreasing the transmission data rate. Because the RS block size is very small compared to the overall modem area, both the required additional hardware cost and the increase in the overall modem size are negligible. Simulation results show that the proposed scheme improves the signal-to-noise ratio by 1.5 dB with a packet error rate of 10^-3 in an additive white Gaussian noise (AWGN) channel when compared to a conventional scheme. The proposed scheme is also implemented using Verilog hardware description language and an emulation test is conducted on a field-programmable gate array (FPGA) test board

Original language	English
Article number	6414982
Pages (from-to)	1169-1175
Number of pages	7
Journal	IEEE Transactions on Consumer Electronics
Volume	58
Issue number	4
DOIs	https://doi.org/10.1109/TCE.2012.6414982
Publication status	Published - 2012

Bibliographical note

Funding Information:
1This research was supported by the ubiquitous Computing and Network (UCN) Project, the Ministry of Knowledge and Economy (MKE) Knowledge and Economy Frontier R&D Program in Korea.

All Science Journal Classification (ASJC) codes

Media Technology
Electrical and Electronic Engineering

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10.1109/TCE.2012.6414982

Cite this

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abstract = "We propose an application of multi-band orthogonal frequency division multiplexing (MB-OFDM) ultra-wideband (UWB) technology for wireless speaker systems which offer superior high-fidelity audio quality. The proposed scheme applies a (255,171) Reed-Solomon (RS) code and a 1/2 punctured convolutional code to the payload data in order to improve the receiver sensitivity without decreasing the transmission data rate. Because the RS block size is very small compared to the overall modem area, both the required additional hardware cost and the increase in the overall modem size are negligible. Simulation results show that the proposed scheme improves the signal-to-noise ratio by 1.5 dB with a packet error rate of 10-3 in an additive white Gaussian noise (AWGN) channel when compared to a conventional scheme. The proposed scheme is also implemented using Verilog hardware description language and an emulation test is conducted on a field-programmable gate array (FPGA) test board",

author = "Kim, {Do Hoon} and Kang, {Kyu Min} and Chungyong Lee",

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An application of MB-OFDM UWB technology for wireless speaker systems

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Bibliographical note

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