Collaborative Research: SWIFT-SAT: DASS: Dynamically Adjustable Spectrum Sharing between Ground Communication Networks and Earth Exploration Satellite Systems Above 100 GHz

合作研究：SWIFT-SAT：DASS：地面通信网络与 100 GHz 以上地球探测卫星系统之间的动态可调频谱共享

• 批准号: 2332721
• 负责人: Josep Jornet
• 金额: $ 42.5万
• 依托单位: Northeastern University
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2024
• 资助国家: 美国
• 起止时间: 2024-01-01 至 2026-12-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2332721&HistoricalAwards=false
• 关键词: Collaborative; Research; SWIFT; SAT; DASS

Next-generation wireless networks and satellite passive sensing systems will benefit from broader spectrum access, specifically above 100 GHz, to provide connectivity with extremely high data rates and more precise weather and climate tracking, respectively. Spectrum sharing, however, needs to guarantee that passive sensing applications are not harmed by interference, since artificial signals may affect the reliability of Earth remote sensing. Research on sharing solutions for communications and remote sensing above 100 GHz is timely, since its outcomes can influence standardization and policy for next-generation wireless networks and embed sharing in the protocol stack rather than in an overlay as an afterthought. In this project, researchers engage with standards organizations and regulatory bodies to promote the findings and will provide the communications and remote sensing communities with open datasets and models to build trust and confidence in sharing solutions, creating a bridge between the two communities. Finally, multi-disciplinary educational material is developed for coursework across institutions, and for summer schools jointly addressed to remote sensing and communications students, to train the next generation of spectrum professionals. The spectrum above 100 GHz enables different applications. Traditionally, remote sensing has focused on specific molecular absorption lines in multiple narrow sub-bands above 100 GHz. More recently, developments in radio frequency (RF) circuitry, antennas, and digital signal processing (DSP) – together with the spectrum crunch in the frequencies traditionally used for wireless networks – have pushed communications to consider the large bandwidths potentially available in the sub-terahertz spectrum for sixth generation (6G) backhaul and access networks. Current spectrum allocations, however, prevent communications networks from using more than 12.5 GHz of contiguous spectrum in the 100-200 GHz range. This is largely due to the need to protect passive remote sensing services, which measure natural phenomena and thus cannot tolerate RF interference (RFI). This rigid spectrum allocation scheme prevents both services from benefiting from larger bandwidths, for faster communication links as well as increased precision and opportunities for remote sensing. While this is true for other spectral regions, the characteristics of the spectrum above 100 GHz make the case for more flexible sharing and coexistence solutions. This project develops such techniques by (i) characterizing the RFI of next-generation 6G devices to sensing satellites, including experimental measurements with the TEMPEST-H8 sensor and the TeraNova testbed; (ii) developing large-scale RFI models for 6G networks; and (iii) spectrum sharing strategies for current and next-generation wireless systems.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.

下一代无线网络和卫星无源传感系统将受益于更广泛的频谱接入，特别是 100 GHz 以上的频谱，以分别提供极高的数据速率和更精确的天气和气候跟踪连接，但需要保证无源频谱共享。传感应用不会受到干扰的损害，因为人工信号可能会影响地球遥感的可靠性。对 100 GHz 以上通信和遥感共享解决方案的研究是及时的，因为其结果可以影响下一代无线网络的标准化和政策。嵌入式共享在该项目中，研究人员与标准组织和监管机构合作以推广研究结果，并将为通信和遥感社区提供开放数据集和模型，以建立共享的信任和信心。最后，为跨机构的课程以及针对遥感和通信学生的暑期学校开发了多学科教育材料，以培训下一代频谱专业人员 100 名以上。传统上，GHz 支持不同的应用。遥感重点关注 100 GHz 以上多个窄子频带中的特定分子吸收线。最近，射频 (RF) 电路、天线和数字信号处理 (DSP) 的发展以及传统频率的频谱紧缩。用于无线网络 – 促使通信考虑第六代 (6G) 回程和接入网络的亚太赫兹频谱中潜在可用的大带宽，但是，当前的频谱分配阻止通信网络使用超过 12.5 GHz 的频率。这主要是因为需要保护无源遥感服务，这些服务测量自然现象，因此不能容忍射频干扰（RFI），这种严格的频谱分配方案使这两种服务无法受益。更大的带宽、更快的通信链路以及更高的精度和遥感机会虽然对于其他频谱区域来说也是如此，但 100 GHz 以上的频谱特性为更灵活的共享和共存解决方案提供了理由。该项目通过以下方式开发此类技术：(i) 表征下一代 6G 设备对传感卫星的 RFI，包括使用 TEMPEST-H8 传感器和 TeraNova 测试台进行实验测量；(ii) 开发用于 6G 网络的大规模 RFI 模型； (iii) 当前和下一代无线系统的频谱共享策略。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力优势和更广泛的影响审查标准进行评估，被认为值得支持。