Proposal for an MB-OFDM UWB system simultaneously undertaking ranging and communications

被引：3

作者：

Ohhikata, Y ^{[1
]}

Kobayashi, T ^{[1
]}

机构：

[1] Macn Inc, Ctr Res & Dev, Kohoku Ku, Yokohama, Kanagawa 2228561, Japan

来源：

2005 IEEE INTERNATIONAL CONFERENCE ON ULTRA-WIDEBAND (ICU) | 2005年

关键词：

ultra wideband; ranging; MB-OFDM;

D O I：

10.1109/ICU.2005.1570057

中图分类号：

TM [电工技术]; TN [电子技术、通信技术];

学科分类号：

0808 ; 0809 ;

摘要：

This paper proposes a novel method which simultaneously undertakes ranging and communications based on the PHY of MB-OFDM technology. A transmitter modulates one or multiple OFDM subcarriers with a low-frequency (1.05 MHz) ranging signal; and a receiver samples the received signal at a 3.2MHz sampling rate to estimate the time of arrival of the ranging signal. This configuration and an additional protocol supporting bidirectional ranging achieved a 130-mm resolution (equivalent to 2.15 GHz sampling.). This method does not modify the PHY but only changes the baseband signal processing. The validity of this method was demonstrated using computer simulation and prototype experiments.

引用

页码：604 / 608

页数：5

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