Realization of an Antenna system for the Next Generation of Mobile Satellite Communications Station

下一代移动卫星通信站天线系统的实现

• 批准号: 16360185
• 负责人: ITO Koichi
• 金额: $ 6.02万
• 依托单位: Chiba University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for Scientific Research (B)
• 财政年份: 2004
• 资助国家: 日本
• 起止时间: 2004 至 2005
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/grant/KAKENHI-PROJECT-16360185/
• 关键词: mobile satellite communications; ETS-VIII; beam-switching; triangular patch antenna; dual-band; isolation; pseudo-satellite; communication experiment vehicle; 三角形パッチアレーアンテナ

In this research, the development of an antenna system that can be used in Japan has been aimed in order to develop a basic technology for mobile satellite communications using a geostationary satellite. The contents of the research can be divided into the following three points :1. Development of circularly polarized dual-band triangular-patch array antenna for both reception and transmission ;2. Development of switching circuit and control system for satellite-tracking ;3. Outdoor experiments of satellite communications using an experimental vehicle and a pseudo-satellite station.To be more precise, in order to reduce the antenna dimensions in circular array configuration, a circularly polarized triangular patch antenna has been developed. Herewith, the antenna can be miniaturized and the gain at low elevation direction can be improved. The developed antenna element can easily be made in circular array configuration and along with its miniaturization, a configuration that allows a st … More able circularly polarized radiation by means of a dual feeding can be obtained.When put into an array configuration, as both reception and transmission elements are combined in a single layer, a dual-band operation and good isolation characteristics are realized. In order to improve the radiation characteristics, the relative permittivity of the substrate, the element shape, and the distance between the elements are optimized.A miniaturized control circuit based on ON-OFF method for satellite tracking and that does not make use of any phase shifter is developed aimed at an integration with the antenna. As the whole circuit can be implemented with chips components, a substantially integrated unit as well as low cost becomes possible.Moreover, an automatic tracking system making use of a fiber optic gyro and personal computer is developed and a function enabling the control of the radiated beam depending on the direction of the vehicle is loaded. The antenna system is examined in the anechoic chamber to confirm the effectiveness of its performances.In addition, to confirm the performances of the developed antenna under a real environmental conditions, a pseudo-satellite station is set on the roof of a building inside Chiba University, the characteristics of the antenna (1) when actually embarked in the experiment vehicle are investigated. The values of a budget link, for which the transmitted power and the operating frequency of the pseudo-satellite station are similar to the ones used for ETS-VIII, has been used.In this research, it is confirmed by both numerical simulations and measurements that the antenna developed in this research is miniaturized, dual-band frequency operating, electrically tracking equipped from the antenna and overall system performances analysis.Finally, these results are summarized and reported in the Technical Report of IEICE, the IEEE AP-S, and the Proceeding of the Institute of Image Information and Television Engineers. In addition, the results are also published in the IEICE Transactions on Communications (Japanese version) and the IEEE Transactions on Antennas & Propagation. Less

在这项研究中，日本的天线系统的开发一直是使用地静止卫星开发基本的技术通信的基本技术。带有三角形的阵列天线，既可以传输2;开发。因此，可以将天线化，并且可以通过双重喂养来轻松地在低海拔方向上获得增益。将接收元件和传输元件都组合成底物的单个叶片介电常数，元素形状和元素之间的距离被优化时。在任何相位转换器中都可以用Tena进行ATAD旋转器。并开发了个人计算机，并根据车辆的方向进行E辐射光束的控制。实际出现在预算链接值的屋顶上，伪卫生型史坦顿的传输和操作与ETS-VIII所使用的稳定史剂的运行相似。微型，来自天线的电气和整体性能，分析性，这些结果是IEICE的技术报告，IEEE AP-S和图像Informateon和电视工程师的程序。通信（日语版本）和IEEE交易量较少

项目成果

Simple satellite tracking patch array antenna for ETS- VIII applications and outdoor experiments using a pseudo satellite

用于 ETS-VIII 应用和使用伪卫星的户外实验的简单卫星跟踪贴片阵列天线

• 发表时间: 2004
• 期刊: 2004 International Symposium on Antennas and Propagation vol.1
• 作者: Toshimitsu TANAKA;Koichi ITO;Amane MIURA;Shin-ichi YAMAMOTO et al.
• 通讯作者: Shin-ichi YAMAMOTO et al.

Basic characteristics of a circularly polarized circular sector patch antenna

圆极化圆扇形贴片天线的基本特性

• 发表时间: 2005
• 期刊: Proceeding of 2005 IEICE Society Conference, Sapporo, Japan
• 作者: Toshimitsu TANAKA;Masaharu TAKAHASHI;Koichi ITO
• 通讯作者: Koichi ITO

電子スイッチによる簡易衛星追尾型三角形パッチアレーアンテナのビーム切換特性

电子开关简易卫星跟踪型三角贴片阵列天线波束切换特性

• 发表时间: 2005
• 期刊: 電子情報通信学会技術研究報告 A・P2005-79
• 作者: 金子 謙一;田中 憲光;高橋 応明;伊藤 公一
• 通讯作者: 伊藤 公一

Mobile Satellite Communication Experiments on Dual-Band Triangular-Patch Array Antenna

双频三角贴片阵列天线移动卫星通信实验

• 发表时间: 2005
• 期刊: 2005 IEEE AP-S International Symposium and USNC/URSI National Radio Science Meeting (発表予定)
• 作者: Toshimitsu TANAKA;Koichi ITO;Masaharu TAKAHASHI;Amane MIURA;Shin-ichi YAMAMOTO et al.
• 通讯作者: Shin-ichi YAMAMOTO et al.

Low profile satellite-tracking dual-band triangular-patch array antenna for mobile satellite communications

• 发表时间: 2004-10
• 作者: J. Sumantyo;Ito Koichi