SBIR Phase I: A Realtime Atmospheric Mapping and Monitoring System to Enable a Next-Generation Global Navigation Service

SBIR 第一阶段：实时大气测绘和监测系统，支持下一代全球导航服务

• 批准号: 2015140
• 负责人: Brian Manning
• 金额: $ 22.5万
• 依托单位: XONA SPACE SYSTEMS INC.
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2020
• 资助国家: 美国
• 起止时间: 2020-06-01 至 2021-05-31
• 项目状态: 已结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2015140&HistoricalAwards=false
• 关键词: SBIR; Phase; Realtime; Atmospheric; Mapping

The broader impact/commercial potential of this Small Business Innovation Research (SBIR) Phase I project is to improve Position, Navigation, and Timing infrastructure. Global Navigation Satellite Systems (GNSS) are used to provide mapping capabilities in billions of devices annually, but an estimated 140 million have critical needs for high security and/or accuracy. Furthermore, future cyber-physical systems, such as self-driving cars and aerial mobility, will have higher performance requirements, including safety-critical operation, precision positioning, and cyber-security for billions of devices. This project will advance a new positioning system. This SBIR Phase I project proposes the development of a space-based Atmospheric Mapping and Satellite Integrity Monitoring system (AMSIM) to support a high-integrity, precise positioning service from a Low Earth Orbiting (LEO) satellite navigation constellation. This requires monitoring satellites for faults and mapping ionospheric and tropospheric conditions, traditionally accomplished via a network of ground infrastructure, such as the Wide Area Augmentation System (WAAS). However, to achieve the precision needed for autonomous systems, ground monitoring stations must be spaced less than 100 km apart, limiting performance over oceans and other remote areas. This work proposes the investigation of a space-based monitoring approach for a ubiquitous service. It will leverage inter-satellite communication links for integrity monitoring, techniques in GNSS Radio Occultation (RO) for tropospheric monitoring, and tomography for ionospheric mapping. This Phase I project will use physical models, computer simulation, and available atmospheric data products derived from RO and ground-based monitoring approaches for validation.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

这项小型企业创新研究（SBIR）I阶段项目的更广泛的影响/商业潜力是改善位置，导航和计时基础设施。 全球导航卫星系统（GNSS）每年用于在数十亿个设备中提供映射功能，但估计有1.4亿个对高安全性和/或准确性的关键需求。 此外，未来的网络物理系统（例如自动驾驶汽车和航空活动能力）将具有更高的性能要求，包括对数十亿个设备的安全至关重要的操作，精确定位和网络安全。该项目将推进一个新的定位系统。该SBIR I期项目提出了开发空间大气映射和卫星完整性监测系统（AMSIM），以支持高且精确的定位服务，从低地球（LEO）卫星导航星座。这需要监视卫星的故障和绘制电离层和对流层条件，传统上是通过地面基础设施网络（例如大面积增强系统（WAAS））完成的。但是，为了达到自主系统所需的精度，地面监测站必须间隔不到100公里，这限制了海洋和其他偏远地区的性能。这项工作提出了对无处不在服务的空间监控方法的调查。它将利用卫星间通信链接进行完整性监测，GNSS无线电掩盖技术（RO）进行对流层监测以及用于电离层映射的层析成像。该阶段I项目将使用物理模型，计算机模拟和可用的大气数据产品，这些数据产品从RO和地面监测方法中得出以验证。该奖项反映了NSF的法定任务，并被认为是值得通过基金会的知识分子和更广泛影响的评估评估的评估来支持的。