Measuring interference from a UWB transmitter in the GPS L1 band

被引：3

作者：

Van Slyke, Tyler ^{[1
]}

Kuhn, William B. ^{[1
]}

Natarajan, Balasubramaniam ^{[1
]}

机构：

[1] Kansas State Univ, Dept Elect & Comp Engn, Manhattan, KS 66506 USA

来源：

2008 IEEE RADIO AND WIRELESS SYMPOSIUM, VOLS 1 AND 2 | 2008年

关键词：

ultra-wide-band; UWB; Global Positioning System; GPS; interference;

D O I：

10.1109/RWS.2008.4463635

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 presents quantitative interference measurements from a commercially available ultra-wide-band (UWB) transmitter in the Global Positioning System (GPS) L1 band (1575.42 MHz) to investigate the possibility of co-locating UWB and GPS radios. Theoretical analysis shows that a single UWB transmitter conforming to the United States Federal Communications Commission (FCC) specifications could degrade the sensitivity of a GPS receiver by three decibels if both radios were separated by a distance of 1.33 meters. In this work, we measure radiation from the transmitting antenna and associated circuitry of a UWB (multi-band orthogonal frequency division multiplexing) based commercial USB device. Our measurements reveal that the circuitry associated with the UWB device is a significant source of interference while the interference due to antenna transmissions is minimal. Therefore, we believe that adequate shielding of UWB circuitry is necessary to allow a UWB transmitter and a GPS receiver to be co-located.

引用

页码：887 / 890

页数：4

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