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Center Independent Research & Development: GSFC IRAD

Wireless Communication Demonstration of Hardware Accelerated cFS Disruption Tolerant Networking Bundle Protocol

Completed Technology Project

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Project Description

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LunaNet Extensible Architecture, enabled by Disruption Tolerant Networking (DTN) Bundle Protocol (BP)

The first objective of this proposal will be to develop communication solutions through simulation to model Distributed Spacecraft Mission (DSM) Inter-Satellite Links (ISL) and support Disruption Tolerant Network’s (DTN) Bundle Protocol 7 (BP7) FPGA infrastructure development. The second objective of this proposal is to develop the FPGA architectures and infrastructure needed to enable the identified communication solutions for rapid, flexible prototyping. This proposal will survey commercial off-the-shelf (COTS) data-transmission protocols, IP networking apps, and leverage the efforts of several previously funded IRADs and emerging technologies.

Anticipated Benefits

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Recently, DSMs were identified as a future capability, and multiple Design Reference Missions were presented during a Goddard hosted workshop. One of the key capabilities identified across the proposals was inter-satellite and ubiquitous communications. This project specifically advances this capability via a high fidelity, ISL simulation to identify and optimize DRM communication parameters and missions trades across antennas, orbit parameters, data rates, power, communication protocol specifications, constellation geometries, data flow, data latency, data volume, etc. The direct and immediate payoff is the ability to rapidly iterate and refine evolving DRM ISL requirements.

Additionally, the Space Communications and Navigation (SCaN) program launched the LunaNet architecture to address the needs of the Artemis program. The goal of LunaNet is to provide users with a “terrestrial mobile internet service” capability. This functionality will be enabled through the DTN Bundle Protocol as the principal internetworking protocol, which ensures “generalized, reliable, and robust internetworking.” This project will help develop hardware accelerated functions are needed to meet LunaNet’s required high data rate connections.

Project Library

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Primary U.S. Work Locations and Key Partners

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Organizations Performing Work	Role	Type	Location
Goddard Space Flight Center (GSFC)	Lead Organization	NASA Center	Greenbelt, Maryland

Primary U.S. Work Locations

Maryland

Technology Transitions

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Transition Events

October 2020: Project Start

September 2023: Closed out More »

Closeout Summary:

This project was successful in creating a software/FPGA solution. An ICD was created showing how notifications are passed back and forth, how integration will occur. HDL was developed to include bundle shaping, low level bundle filtering, and software incremental integration features. HDL was tested in the lab with baremetal code to prepare for cFS integration.

The purpose of the Goddard Space Flight Center’s Internal Research and Development (IRAD) program is to support new technology development and to address scientific challenges. Each year, Principal Investigators (PIs) submit IRAD proposals and compete for funding for their development projects. Goddard’s IRAD program supports eight Lines of Business: Astrophysics; Communications and Navigation; Cross-Cutting Technology and Capabilities; Earth Science; Heliophysics; Planetary Science; Science Small Satellites Technology; and Suborbital Platforms and Range Services.

Task progress is evaluated twice a year at the Mid-term IRAD review and the end of the year. When the funding period has ended, the PIs compete again for IRAD funding or seek new sources of development and research funding, or agree to external partnerships and collaborations. In some cases, when the development work has reached the appropriate Technology Readiness Level (TRL) level, the product is integrated into an actual NASA mission or used to support other government agencies. The technology may also be licensed out to the industry.

The completion of a project does not necessarily indicate that the development work has stopped. The work could potentially continue in the future as a follow-on IRAD; or be used in collaboration or partnership with Academia, Industry, and other Government Agencies.

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Project Management

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Program Manager:

Peter M Hughes

Project Managers:

Principal Investigator:

Jonathan D Boblitt

Co-Investigator:

Yen Fun Wong

Technology Maturity (TRL)

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Start:	2
Current:	4
Estimated End:	4

Applied Research

Development

Demo & Test

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Wireless Communication Demonstration of Hardware Accelerated cFS Disruption Tolerant Networking Bundle Protocol

Project Description

Anticipated Benefits

Project Library

Primary U.S. Work Locations and Key Partners

Primary U.S. Work Locations

Technology Transitions

Transition Events

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