Real-time 3-D spatial-temporal dual-polarized measurement of wideband radio channel at mobile station

被引：71
|
作者：
Kalliola, K [1 ]
Laitinen, H
Vaskelainen, LI
Vainikainen, P
机构：
[1] Aalto Univ, Radio Lab, FIN-02015 Helsinki, Finland
[2] VTT, Informat Technol, Telecommun, FIN-02044 Espoo, Finland
[3] Aalto Univ, Radio Lab, FIN-02015 Helsinki, Finland
来源：
IEEE TRANSACTIONS ON INSTRUMENTATION AND MEASUREMENT | 2000年 / 49卷 / 02期
基金：
芬兰科学院;
关键词：
conformal antennas; microstrip antennas; microwave measurements; mobile antennas; mobile communication; multipath channels; polarization; radio propagation;
D O I：
10.1109/19.843093
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 describes a measurement system enabling the complete real-time characterization of the wideband radio channel, The system is based on a wideband radio channel sounder and a spherical antenna array, and it aims to describe the three-dimensional (3-D) spatial radio channel seen by the mobile terminal, including polarization. This information is highly valuable in designing antennas for mobile terminals. The spatial properties of the measurement system are analyzed through test measurements in an anechoic chamber, The system has a 40 degrees spatial resolution and a 17 dB cross polarization discrimination. The values are well above those of a small mobile terminal antenna. The dynamic range in the spatial domain is 12 dB. The measurement Is very fast, which makes real-time channel acquisition practical at normal mobile speeds.
引用
收藏
页码：439 / 448
页数：10
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