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Numerical precision requirements on the Multiband Ultra-Wideband system for practical consumer electronic devices

Sherratt, R. S. and Makino, S. (2005) Numerical precision requirements on the Multiband Ultra-Wideband system for practical consumer electronic devices. IEEE Transactions on Consumer Electronics, 51 (2). pp. 386-392. ISSN 0098-3063

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Abstract/Summary

This paper discusses the requirements on the numerical precision for a practical Multiband Ultra-Wideband (UWB) consumer electronic solution. To this end we first present the possibilities that UWB has to offer to the consumer electronics market and the possible range of devices. We then show the performance of a model of the UWB baseband system implemented using floating point precision. Then, by simulation we find the minimal numerical precision required to maintain floating-point performance for each of the specific data types and signals present in the UWB baseband. Finally, we present a full description of the numerical requirements for both the transmit and receive components of the UWB baseband. The numerical precision results obtained in this paper can then be used by baseband designers to implement cost effective UWB systems using System-on-Chip (SoC), FPGA and ASIC technology solutions biased toward the competitive consumer electronics market(1).

Item Type:Article
Refereed:Yes
Divisions:Faculty of Life Sciences > School of Biological Sciences > Department of Bio-Engineering
ID Code:15377
Uncontrolled Keywords:Multiband UWB, numerical precision, soft-bit decoding, soft-demapping, FFT, OFDM

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