RFI: Best Practices in Distributed General-Purpose Radio Frequency (RF) Signal Processing

The Defense Advanced Research Projects Agency (DARPA) Multi X Office (MXO) issued special notice DARPA-SN-26-90 to gather information on best practices and innovative approaches for distributed general-purpose radio frequency (RF) signal processing. This initiative explores methods to standardize the control, scheduling, and processing of advanced RF systems to improve performance, efficiency, and interoperability within complex operational environments. DARPA intends to reduce the costs associated with laboratory-scale prototype systems while decreasing the time required to port these prototypes to tactical platforms.

The Department of War (DoW) requires advanced, adaptable RF systems for mission completion, and this request for information seeks insights into leveraging existing standards and optimizing aperture use. The scope includes advancing distributed and heterogeneous computing for RF applications to inform future program development and enhance the interoperability of existing DARPA capabilities. This research falls under NAICS code 541715 for Research and Development in the Physical, Engineering, and Life Sciences (except Nanotechnology and Biotechnology) and PSC AC12 for National Defense R&D Services; Department of Defense - Military; Applied Research.

Responses for this special notice are due by July 10, 2026. The Departmental Offices is the presiding agency, and the SN Coordinator serves as the point of contact. One attachment, titled DARPA-SN-26-90.pdf, was published on June 10, 2026, alongside the notice. No specific place of performance or set-aside was identified in the solicitation metadata.