With rapid urban development and the advancement of national digital strategies, traditional public transportation is facing multiple challenges, including unstable networks, data silos, insufficient coordination, and inefficient operations and maintenance. How can we upgrade and modernize public buses with 5G technology?

 

Star Innovation Link’s Smart Bus Solution—leveraging the iteratively upgraded dual-5G in-vehicle Ethernet gateway SV910—integrates 5G-V2X vehicle-to-infrastructure coordination, high-precision positioning, in-vehicle TSN networks, and remote wake-up capabilities. This creates a new “vehicle-road-cloud-people” end-to-end interconnected ecosystem for urban public transportation, making every journey safer, more convenient, and greener.

 Background: The Challenges of Smart Transformation in Traditional Public Transportation

 

Every city’s bus network serves as the lifeline of public transportation, yet under the wave of digital transformation, the pain points of traditional models have become increasingly apparent:

 Unreliable Network: Frequent signal dead zones in urban tunnels, elevated roads, and old city districts lead to network lag and interruptions, causing stuttering video feeds and delayed dispatch instructions, which significantly compromise punctuality and safety.

 Coordination Challenges: Disconnected data between vehicles and roads, vehicles and other vehicles, and vehicles and the cloud makes it difficult to implement vehicle-road coordination and bus priority, resulting in low traffic efficiency on congested routes.

 Safety hazards: Risks associated with driver blind spots, drowsy driving, and violations are difficult to detect in a timely manner, and accident investigation lacks comprehensive data support.

 High Maintenance Costs: Dispersed onboard equipment and incompatible protocols result in incomplete data collection and delayed troubleshooting, keeping maintenance costs persistently high.

 Poor User Experience: Inaccurate arrival predictions and delayed wait-time information, coupled with overcrowding during peak hours and empty runs during off-peak hours, make it difficult to balance passenger experience with operational efficiency.

The Star Innovation SV910 Smart Bus Solution leverages highly integrated 5G-V2X technology to meet the requirements of 5G smart bus retrofits, including comprehensive connectivity, intelligent coordination, safety and controllability, and efficient operations and maintenance, thereby supporting the intelligent upgrade of urban public transportation.

 

 Technical Support—SV910 Smart Bus Solution

The SV910 Dual 5G In-Vehicle Ethernet Gateway enables comprehensive connectivity and establishes a robust digital foundation for smart buses through six core advantages.

 Dual 5G Redundancy, Stable Connectivity Across All Areas

Supports dual 5G, 5G+4G, and REDCAP modes with multi-mode redundancy. Features automatic backup across dual SIM cards and multiple links, along with instant failover. Combined with multi-network aggregation technology, it achieves a 99.9% connectivity rate in weak-signal areas such as tunnels and suburban regions. End-to-end latency is as low as 20 ms, supporting high-speed concurrent transmission of 4K video, multi-sensor data, and vehicle-to-infrastructure (V2I) commands.

 Full Interface Adaptability, Seamless Compatibility

Equipped with a rich array of interfaces, including 6 in-vehicle Ethernet ports (3 Gigabit 1000BASE-T1 + 3 100Mbps 1000BASE-T1), 2 M12 industrial Ethernet ports, 3 CAN interfaces, and 2 DI/relay ports, it provides a one-stop solution for integrating with in-vehicle domain controllers, vehicle control commands, and high-definition video. It offers seamless compatibility, supports secondary development, and enables rapid deployment.

 5G-V2X Full-Domain Collaboration, Direct Communication

Supports V2X-PC5 interfaces for direct communication with roadside RSU devices without relying on base stations or networks, enabling low-latency vehicle-to-vehicle, vehicle-to-road, and vehicle-to-pedestrian communication with a direct communication range exceeding 500 meters;Combined with high-precision GNSS/IMU positioning and in-vehicle TSN+GPTP nanosecond-level time synchronization, it supports collaborative scenarios such as bus priority, blind spot warnings, intersection collision warnings, and road construction alerts.

 Extreme reliability, unfazed by complex environments

Stable operation across a wide temperature range, with a full suite of automotive-grade interfaces and designs resistant to vibration and electromagnetic interference, making it suitable for harsh operating conditions such as bus stop-and-go traffic, prolonged jolting, and extreme weather; the aluminum alloy chassis features an efficient heat dissipation design, supporting 24/7 uninterrupted stable operation and ensuring reliable performance throughout the entire lifecycle.

 Multi-dimensional Security, Worry-Free Data

Supports national cryptographic algorithms and 5G private networks, with encrypted data tunnels, built-in firewalls, and intrusion detection to safeguard the transmission of operational data, passenger information, and control commands; supports remote status monitoring, firmware upgrades, and fault diagnosis, ensuring data security from multiple angles.

 Powerful Data Processing Capabilities

Equipped with a 4-core 64-bit Cortex-A55 processor (up to 1.8GHz), supporting 2GB of RAM (expandable to 8GB) and 32GB eMMC storage (expandable to 64GB), it enables high-speed local data preprocessing, reduces cloud load, and ensures rapid response times.

 Comprehensive Coverage: Suitable for All Bus Types

 

The solution is deeply optimized for all scenarios, including regular city buses, rapid transit, micro-loop shuttles, custom bus routes, and tourist lines. It delivers seamless intelligent coverage across urban centers, suburban towns, industrial parks, and scenic areas:

 

•  Urban Trunk Buses: Dual 5G Stable Connectivity + Vehicle-Road Coordination ensures punctuality during peak-hour congestion and improves trunk route efficiency.

•  Suburban / Rural Buses: Wide-temperature, vibration-resistant design + weak-signal optimization, adapted to complex suburban road conditions and signal environments, ensuring stable, reliable, and uninterrupted connectivity.

•  Industrial Parks / Local Shuttle Buses: Full interface compatibility and efficient thermal design enable rapid integration with small shuttle vehicles, supporting flexible scheduling and convenient public transportation.

•  BRT: 5G-V2X bus priority + intelligent scheduling, enabling efficient travel on dedicated BRT lanes and creating a rapid urban commuting artery.

 Application Value: Technology-Driven Solutions for Better Urban Mobility

 Cost Reduction & Efficiency Improvement: Significantly reduces O&M costs, enhances operational efficiency, and minimizes empty-run rates.

 Safety and Control: Proactive safety alerts reduce accident rates by 45%; full data traceability enables more precise management.

 Smart Upgrade: Rapidly achieve intelligent transformation without replacing the entire vehicle, offering low costs and high returns.

Cities thrive on mobility; travel is enhanced by intelligence. The Star Innovation SV910 Smart Bus Solution leverages the mature application of 5G-V2X technology to facilitate efficient coordination, address the pain points of traditional public transportation, and empower a comprehensive upgrade of urban public transit toward intelligence, safety, efficiency, and convenience.