Collaborative Research: SWIFT: LARGE: Spectrum Sharing via Interference-resilient Passive Receivers and Passive-aware Active Services

科学家利用对天空的无线电观测来了解星系和宇宙结构的演化，并回答有关宇宙起源的问题。蜂窝设备和其他无线技术对现代经济至关重要，但会干扰敏感的天文仪器。该项目将开发技术，使无线设备和网络与无线电频谱的科学用途共存。这些技术包括电子系统的创新，使天文接收器更不受无线设备的干扰;先进的网络方法，使无线设备能够智能地与科学观测站合作。该项目包括基础技术创新和综合系统级验证。它将被动接收机的技术创新与主动发射机管理的新思想相结合，并以综合的方式看待问题。技术创新包括新颖的硬件架构和定制模拟电路、机器学习启发的设计框架、协作无线网络协议设计以及测试平台验证和评估。提出了通过宽带真时延阵列实现宽带波束形成、波束调零和干扰消除的突破性进展，这有可能增强美国在各种市场的竞争力。软件定义的物理层协议为主动和被动设备之间的通信带来了一种新的方法，允许设备类型之间的协调。行业互动将使思想的实用性，学生实习和永久职位的安置，以及技术转让的讨论。天文学应用对女性和少数族裔工程专业学生具有重要吸引力，与工程学科的历史标准相比，将大大增加参与该项目的学生的多样性。拟议的工作将可能影响未来天文系统的设计和概念，因为宽带波束成形和合作网络协议将提供给技术标准化委员会，以实现主动和被动服务的实际共存部署。该奖项反映了NSF的法定使命，并通过使用基金会的知识价值和更广泛的影响审查标准进行评估，被认为值得支持。

Scientists use radio observations of the sky to understand the evolution of galaxies and cosmic structures and answer questions about the origins of the universe. Cellular devices and other wireless technologies are vital to a modern economy but interfere with sensitive astronomical instruments. This project will develop technologies that will allow wireless devices and networks to coexist with scientific uses of the radio spectrum. These technologies include innovations in electronic systems that will make astronomical receivers more immune to interference from wireless devices; and advanced networking methods that allow wireless devices to intelligently cooperate with scientific observatories. This project includes both fundamental technical innovations and integrative system-level validation. It combines technical innovation at the passive receiver with new ideas on active transmitter management and looks at the problem in an integrative way. Technical innovations include novel hardware architecture and custom analog circuits, machine-learning-inspired design framework, cooperative wireless network protocol design, and testbed verification and evaluation. Breakthroughs in wideband beamforming, beam nulling, and interference cancellation through wideband true-time-delay arrays are proposed, which have the potential to enhance US competitiveness in various markets. A software-defined physical layer protocol brings a new approach to communication between active and passive devices, allowing for coordination between the device types. Industry interaction will enable the discussion of the practicality of ideas, placement of students in internships and permanent positions, and technology transfer. The astronomy application is a significant draw for women and minority engineering students and will allow for a significant increase in the diversity of the students involved in the project relative to historical norms in the engineering discipline. The proposed work will potentially impact the design and conception of future astronomy systems as wideband beamforming and cooperative network protocols will be available to technical standardization committees to enable practical coexistent deployment of active and passive services. The PIs' collaborations with astronomical observatories will allow for knowledge transfer and possible technology adoption in current and future instrument projects.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.