The Indian Regional Navigation Satellite System (IRNSS) is a newly functional regional satellite navigation system around Indian subcontinent. It is also known as its functioning name of NaVIC, Navigation with Indian Constellation, working on L5 and S band. In this paper a compact and low cost circularly polarized microstrip patch antenna is proposed for IRNSS S band application, to provide single frequency navigation solution. Fabrication of proposed antenna is performed using substrate of RT Duroid 5880 with the dimensions of 0.66λ × 0.5λ. The performance of IRNSS is investigated by prototype antenna and Accord made triband antenna with IRNSS/GPS/SBAS receiver which is enable to receive L1, L5 and S band data. The comparison of proposed S band antenna, triband accord system antenna and GPS antenna is presented in terms of carrier to noise ratio and positioning error. Results show that proposed antenna is suitable for S band application of IRNSS receiver.

中文翻译：

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使用紧凑型微带贴片天线的IRNSS在S波段应用中的性能分析

印度区域导航卫星系统（IRNSS）是围绕印度次大陆的新功能区域卫星导航系统。它也被称为NaVIC的功能名称，“印度星座导航”，适用于L5和S波段。本文提出了一种紧凑，低成本的圆极化微带贴片天线，用于IRNSS S频段应用，以提供单频导航解决方案。提出的天线的制作与0.66的尺寸进行了RT的Duroid 5880的使用衬底λ  ×0.5 λ。通过原型天线和带有IRNSS / GPS / SBAS接收器的Accord三频天线来研究IRNSS的性能，该接收器能够接收L1，L5和S频带数据。从载噪比和定位误差两方面对所提出的S波段天线，三频协议系统天线和GPS天线进行了比较。结果表明，所提出的天线适合IRNSS接收机的S波段应用。