Waveform Distortion and Transmission Gain on Ultra Wideband Impulse Radio

被引：4

作者：

Promwong, Sathaporn ^{[1
]}

Supanakoon, Pichaya ^{[1
]}

Takada, Jun-ichi ^{[2
]}

机构：

[1] King Mongkuts Inst Technol Ladkrabang, Fac Engn, Dept Telecommun Engn, Bangkok 10520, Thailand

[2] Tokyo Inst Technol, Grad Sch Engn, Tokyo 1528550, Japan

来源：

IEICE TRANSACTIONS ON COMMUNICATIONS | 2010年 / E93B卷 / 10期

关键词：

ultra wideband impulse radio (UWB-IR); Friis' transmission formula; antenna; distortion; transmission gain; ANTENNAS;

D O I：

10.1587/transcom.E93.B.2644

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：

A waveform of an ultra wideband impulse radio (UWB-IR) system can be extremely distorted through a channel even for free-space transmission because of antenna dispersion. This highly degrades the link budget performance. Therefore, the understand of antenna characteristics, which effects on waveform distortion, is necessary. This paper studies the waveform distortion due to antenna in free space transmission in UWB-IR system. The link budget is usually evaluated by using the Friis' transmission formula. However, it is not directly applicable to the UWB-IR transmission system. The link budget evaluation formula attended from conventional Friis' transmission formula that takes into account the transmitted waveform, its distortion due to the antennas, the channel and the correlation receiver is proposed. Since the antenna is significant pulse-shaping filters in UWB-IR system, the example kind of the log-periodic dipole antenna (LPDA) is experimentally examined, especially focused on the effect of the template waveforms.

引用

页码：2644 / 2650

页数：7

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