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Huawei Keeps Malaysian Light Rail on Track

02.04.2015 00:00:00


Malaysia’s national infrastructure company chose Huawei as the Engineering, Procurement, and Construction (EPC) contractor for a large communications system on Kuala Lumpur’s Ampang Light Rail Transit (LRT) extension. The extension runs under the city’s central business district for approximately 11 miles (18 km) and has 13 train stations and 10 traction power substations. LRT expects to begin operations in 2019.

Huawei provided several systems, including:

  • Synchronous Digital Hierarchy (SDH) backbone
  • Signal, Communications, Supervisory Control and Data Acquisition (SCADA) system
  • Automatic Fare Collection (AFC) system

In addition, Huawei deployed several End-to-End (E2E) subsystems, including:

  • Terrestrial Trunked Radio (TETRA) transmission
  • Enterprise networking
  • Network Time Protocol (NTP) clock services
  • Broadcasting and video surveillance


Unlike new development projects, the line already depended on several existing networks that presented unique system interconnection and service migration challenges. There were several stringent requirements.

System integration

A diverse set of subsystems, with internal and several undefined external interfaces, required reliable interconnection.

Service migration

The project required a smooth migration from the complex existing systems without service interruptions.


A unified Reliability, Availability, Maintainability, and Safety (RAMS) system and Electromagnetic Compatibility (EMC) design provided reliable communications and supported SCADA.


Huawei used its extensive industry experience to provide an E2E project management and delivery solution with several key features.

Subsystem integration

Huawei hosted design liaison conferences to maintain internal and external interfaces and specify interface management. We also did pre-integration and other relevant tests for all sub-systems and made sure all interfaces were available and delivered on time. 

Service migration planning and tools

To prevent service interruptions, a dedicated team of experts planned and verified a detailed migration solution based on the existing network. Engineers used the migration tools in Huawei’s network management system to efficiently configure and distribute migration data. The planning and tools helped mitigate risks and improve migration efficiency.

Optimized RAMS and EMC design

Huawei worked closely with leading consultants and the customer to optimize the unified RAMS/EMC design to cover product design, device procurement, and implementation for the communications and SCADA systems. Huawei’s Global Compliance and Testing Center (GCTC) evaluated the EMC pre-design and pre-integration to ensure system reliability.


Huawei’s delivery services included: 

  • E2E RAMS/EMC planning and pre-design to mitigate compatibility risks and ensure reliability, quality, and maintainability
  • Replacing antiquated analog systems with new, efficient IP systems
  • EPC project management

Huawei deploys specifically designed railway telecommunications solutions all over the world. Our cutting-edge voice, data, and video surveillance and transmission systems provide outstanding safety, reliability, and efficiency.

Get your project on the right track. Contact Huawei to find out more about what we can do for you.

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