Development & Testing of vRAN for 4G and 5G

Customer: US-based Network Equipment Manufacturer


The customer enlisted Sasken’s help in vRAN Development & Testing for 4G and 5G networks.


  • 4G FDD to TDD Migration
    • TDD bands support
    • vDU & vCU enhancements
    • O-RAN compliance Fronthaul
  • 4G FDD Feature Enhancements
    • Protocol stack, Rel10 to Rel13
  • 5G NSA: Development
    • Protocol stack Rel 15
    • FR1 & FR2 bands
    • OAM
  • 4G/5G: Testing
    • Functional Tests
    • Feature Interworking tests
    • Performance and KPI tests
    • Orchestration/Operation and Maintenance Tests
    • Upgrade Tests
    • Acceptance tests
    • Automation


  • Sasken took ownership of a few projects and rapidly scaled the team within 12 months, thus relieving the customer’s bandwidth.
  • Customer was able to deliver the product to the operator on time
Development & Testing of vRAN for 4G and 5G

Customer: Tier-1 North American Semiconductor Vendor

Customer: Tier-1 Network Equipment Manufacturer

Customer: Leading South Korean Device Manufacturer