Influence of the antennas on the ultra-wideband transmission

被引：151

作者：

Sörgel, W ^{[1
]}

Wiesbeck, W ^{[1
]}

机构：

[1] Univ Karlsruhe, Inst Hochfrequenztech & Elekt, D-76128 Karlsruhe, Germany

来源：

EURASIP JOURNAL ON APPLIED SIGNAL PROCESSING | 2005年 / 2005卷 / 03期

关键词：

ultra-wideband; ultra-wideband antennas; quality measures for UWB antennas; time-domain antenna characterization; transient radiation and reception;

D O I：

10.1155/ASP.2005.296

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：

Spectrum is presently one of the most valuable goods worldwide as the demand is permanently increasing and it can be traded only locally. Since the United States Federal Communications Commission (FCC) has opened the spectrum from 3.1 GHz to 10.6 GHz, that is, a bandwidth of 7.5 GHz, for unlicensed use with up to -41.25 dBm/MHz EIRP, numerous applications in communications and sensor areas are showing up. Like all wireless devices, these have an antenna as an integral part of the air interface. The antennas are modeled as linear time-invariant (LTI) systems with a transfer function. The measurement of the antenna's frequency-dependent directional transfer function is described. Quality measures for the antennas like the peak value of the transient response, its width and ringing, as well as the transient gain are discussed. The application of these quality measures is shown for measurements of different UWB antennas.

引用

页码：296 / 305

页数：10

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