美国国家科学技术委员会：2024年国家频谱研究与发展计划报告（英文版）

This National Spectrum Research and Development Plan responds to guidance established in the 2023 National Spectrum Strategy and the 2024 National Spectrum Strategy Implementation Plan (see Spotlight 1.1). In this context, the word “spectrum” refers to the radio frequency portion of the electromagnetic spectrum. The introduction of the 2023 National Spectrum Strategy defines the broad national goals toward which spectrum R&D contributes, including “wireless services […] essential for citi