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automotive-satellite

Design satellite-based OTA update, hybrid connectivity, and telematics systems for vehicle fleets.

7|2|Updated May 19, 2026
Search Tags:#connectivity#automotive#ota updates#satellite#telematics#gnss#uptane
One-click install
npx skills add https://github.com/pangzhenying2025/hermes-automotive-skills --skill automotive-satellite-pangzhenying2025
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: automotive-satellite
Source: https://github.com/pangzhenying2025/hermes-automotive-skills/tree/main/skills/automotive-satellite
Command: npx skills add https://github.com/pangzhenying2025/hermes-automotive-skills --skill automotive-satellite-pangzhenying2025

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Delivering software updates, connectivity, and monitoring to vehicles in regions without cellular coverage is difficult and costly. This Skill provides architecture guidance for satellite-based OTA distribution, hybrid cellular-satellite networking, maritime vehicle transport connectivity, and satellite-supported autonomous driving. ## Core Features & Use Cases - Satellite OTA Architecture: Design multicast, unicast, and broadcast carousel delivery with delta compression, erasure coding, Uptane-compliant signing, and phased campaign rollout. - Hybrid Cellular-Satellite Connectivity: Implement handover algorithms, MPTCP/MP-QUIC connection bonding, QoS traffic prioritization, and cost-aware routing on a TCU connection manager. - Maritime & Autonomous Driving Scenarios: Manage EV battery monitoring on car carrier ships, automate embarkation/disembarkation, distribute HD map updates, and deliver GNSS RTK/PPP/SSR corrections via satellite. - Use Case: Plan a global OTA campaign where a 500 MB firmware update is delta-compressed to 40 MB, multicast via LEO satellite with Raptor coding, rolled out in canary phases, and verified per UNECE R156 and ISO 24089. ## Quick Start Ask the agent to design a satellite multicast OTA update architecture with delta compression and Uptane signing for a global vehicle fleet.

Frequently Asked Questions about automotive-satellite

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I design a satellite OTA update system for vehicles?▼

Structure the system with an OTA campaign server, satellite uplink, vehicle-side receiver and OTA client, and secure storage with a rollback partition. Use multicast with erasure coding for large fleets and delta compression to reduce package size by 5-20x.

How to implement handover between cellular and satellite in a vehicle?▼

Trigger cellular-to-satellite handover when RSRP drops below -115 dBm for 5 seconds, using MPTCP subflow migration for TCP sessions. Apply hysteresis thresholds and predictive coverage maps to avoid ping-ponging between interfaces.

What standards apply to satellite OTA updates for road vehicles?▼

Key standards include ISO 24089 for software update engineering, UNECE WP.29 R156 for software update management systems, the Uptane standard for secure update signing, and 3GPP TS 38.821 for NR non-terrestrial networks.

Can satellite links deliver GNSS corrections for autonomous driving?▼

Yes. L-band GEO satellite broadcast delivers PPP, RTK, or SSR corrections at 500-2000 bps with continental coverage. SSR corrections achieve 5-10 cm accuracy with 1-5 minute convergence and are the most bandwidth-efficient option.

How are EV batteries monitored during ship transport?▼

Bluetooth Low Energy tags report SOC, cell voltage, and temperature every 10 minutes to ship gateways, which forward alerts via VSAT satellite. Alerts trigger at SOC below 20%, cell temperature above 45°C, or voltage imbalance over 100 mV.

What happens when a satellite OTA download is interrupted?▼

The vehicle persists a chunk bitmap every 30 seconds and resumes only missing chunks on reconnection. After 5 failed attempts it falls back to cellular download, and incomplete downloads expire after 30 days.

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