A Digitally Beam-Steerable Antenna Array System for Positioning-Based Tracking Applications

被引：10

作者：

Aliakbarian, Hadi ^{[1
]}

Van der Westhuizen, Ewald ^{[2
]}

Wiid, Riaan ^{[2
]}

Volski, Vladimir ^{[1
]}

Wolhuter, Riaan ^{[2
]}

Vandenbosch, Guy A. E. ^{[1
]}

Coppin, Pol ^{[3
]}

机构：

[1] Katholieke Univ Leuven, ESAT TELEMIC, Kasteelpk Arenberg 10, B-3001 Leuven, Belgium

[2] Univ Stellenbosch, E&E Engn Dept, ZA-7600 Stellenbosch, South Africa

[3] Katholieke Univ Leuven, BIORES, B-3001 Leuven, Belgium

来源：

IEEE ANTENNAS AND PROPAGATION MAGAZINE | 2013年 / 55卷 / 06期

关键词：

Phased array; beam steering; field programmable gate arrays; digital signal processing; channel coding; PERFORMANCE;

D O I：

10.1109/MAP.2013.6781704

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：

In line-of-sight airborne applications, deployment of a steerable antenna array with higher directivity and gain makes sense for reducing ground-station complexity and cost, while still maintaining a reasonable link budget. This paper reports on the design, development, and successful testing of a digitally beam-steerable phased-array antenna integrated as a complete system, comprising the antenna, hosting platform, ground station, and aircraft-based emulator to facilitate convenient aircraft-based testing of the antenna array and ground-air space communication link. Based on the measurements, the 4 x 4 element prototype tested reduced the error rate by a factor of seven in comparison with a 4 x 4 array without steering. For the same link quality, the power required was 12 dB lower than in the case of a single-element antenna. With only minor modifications, the concept can even be used in a Low Earth Orbit (LEO) satellite environment.

引用

页码：35 / 49

页数：15

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