High Multi-Speed Time-Triggered Ethernet

LeWiz Phase 1 researchshowed strong needs for US based time-triggered Ethernet (TTE) solutions for use by USagencies and their contractors. TTE is an SAE AS6802 standard for aerospace applications. Current market leader is an Austrian company. NASA used 1Gbps foreign solution in Artemis projects and called for TTEdevelopment by US companies in its 2022 SBIR Z2.02 topic. The US Navy also has requested for US basedTTE solution. In NASA Phase 1, we developed a TTEIP core - scalableto speedup to 100Gbps. We also developed a working relationship with NASA to do joint testing for potential use in the Artemis program. LeWiz also worked with the US Navy to develop low-end IP core to target endpoint ASIC devices specifically for slower sensors and otherend systems. In NASAPhase 2, we propose to further develop the hardware and software to target high performance TTE switching systems suitable for backbone network and others. LeWizs works with NASA and the Navy will produce a comprehensive solution for both endpoint and switching applications. By working with actual end-user experts from Artemis Program, LeWiz products will meet requirements for space travel including radiation hardened and fault tolerant capabilities - more suitable for commercialization to the Navy and others forhypersonic and aerospace applications. Proposed Phase 2 TTE switch would support 1G to 10Gbps, scalable in port count with speed up to 100Gbps - allowing us to quickly create a family of products to meet different customer requirements. Products achieved extremely high accuracy timing rate, designed for low-latency, supportpriority-based, mixed traffic: PCF, TT, RC, BE; Arinc664p7 compatible, interface to copper or fiber, support high end/rugged OpenVPX or low-end/low-cost form factors.In addition, Phase 2 will also develop application software and easy to use tool for designing TT network. Also validate them with the developed hardware. LeWiz research showed strong need for US based time-triggered Ethernet (TTE) solutions. TTE is an SAE AS6802 standard for aerospace applications. Current market leader is an Austrian company. NASA called for TTE product development by US companies in 2022 SBIR. US Navy also requested for US based low end TTE solution. In NASA Phase 1, an IP core for TTE was developed that can be scaled to various Ethernet speeds. Also developed a working relationship with NASA to do joint testing for the Artemis program.  Also worked with the US Navy to develop low-end IP core for end system ASICs – e.g., slow sensors. In NASA Phase 2, propose to develop the hardware and software technology for scalable TTE switching systems suitable for backbone network and others. LeWiz’s works with NASA and the Navy will produce a comprehensive solution for both endpoint and switching applications. By working with actual end-user experts, LeWiz products will meet requirements for space travel - more suitable for commercialization. Also will develop application software and easy to use tool Main goal of the Phase 2 is to develop scalable TTE switching technology that can be used to quickly develop a family of TTE switching solution (multi-port products from low-end to high end Ethernet speeds) using TT Cores developed in the Phase 1. The family of switches allows LeWiz to market into various missions and vehicles with varying requirements, thus making the products flexible and better for commercialization purpose. The Phase 2 objectives are as follows: 1)    Develop a specification for the scalable TTE switch based on low-end and high-end devices 2)    Develop code for TTE switching system that can be used for integrating into commercial off-the-shelf (COTS) or custom-developed, low-cost boards. 3)    Develop low-cost, mixed speed switch board – enabling low-cost entry point for TTE users 4)    Develop application/system software for operating the switch 5)    Develop an easy-to-use tool for use in configuring the switch and loading the configuration information into the switch 6)    Validate the TTE Switch including functional, radiation hardened, fault tolerant tests  

NASA applications: sensors and backbone on-board networks for flight control, landing control, instrumentations, payloads, navigation systems, networking, scientific processing, image processing, communication sub-systems for satellites, space stations, vehicles, space habitats.  NASA is the leader in using TT Ethernet. NASA JSC has approved and provided equipment for testing LeWiz implementation with NASA equipment for potential deployment to the Artemis program - further strengthen this implementation for use by Navy and others   Non-NASA applications: sensors and on-board networks for flight control, landing control, instrumentations, payloads, navigation systems, networking, image processing, communication sub-systems for satellites, space stations, air/space/ground/sea vehicles, hypersonic/weapon systems. TTE used in wind turbine, commercial aircrafts, Army copters.  We also worked with US Navy targeting TTE endpoint.

This is early/mid-stage (TRL 1) — the most realistic path in is NASA SBIR/STTR, which funds small businesses and research institutions to develop technology aligned with NASA's needs (equity-free, phased funding). Check whether a current SBIR/STTR solicitation topic overlaps with this project's technology area, or contact the project directly (above) to ask.

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