Comprehensive and Detailed in Depth Explanation:Huawei's wireless backhaul solution for rail transportation is designed to provide high reliability and low latency for mission-critical applications such as train control systems.
* Option A: The handover delay in Huawei's solution can indeed be as low as 30 ms. This ensures seamless connectivity during transitions between base stations, which is crucial for real-time applications like train control signaling.
* Option B: The solution supports carrying train control signal systems, ensuring safe and efficient operations.
* Option C: This statement is incorrect. Huawei's wireless backhaul solution supports high-speed mobility, including trains traveling at speeds up to 160 km/h or higher, without losing connectivity.
* Option D: Active-active links are a key feature of the solution, providing redundancy and ensuring high reliability even in challenging environments.
References:
* Huawei HCSA-Presales-IP Network Documentation: Wireless Backhaul Solutions for Rail Transportation
* Huawei Case Studies: Rail Transportation Networks