Tester Solution

RF Test Spectrum Measurements over CPRI

Most modern cell tower network configurations place the Remote Radio Head (RRH) at the top of the tower and the baseband unit(BBU) at the bottom of the tower. While this configuration is advantageous for both computational efficiency and mitigation of RF loss across the cable, it means the only place along RF can be accessed is at the top of the tower. This forces field technicians to have to climb the tower to measure and debug RF noise problems.


Integris eliminates the tower climb by accessing the RF through the digital CPRI link available at the bottom of the tower. This digital link uses the CPRI protocol to carry the RF data in digital IQ form to the bottom of the tower. By accessing the data here, not only are the costs for truck rolls and tower climbs reduced, but the time to resolution is also accelerated due to the ability to use software analysis and collaboration tools to analyse the noise signatures.

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Test Applications

Test Applications

  • Measurement of RF signals at the base of cell towers utilizing the CPRI link for noise and interference debugging
  • No tower climb necessary to access RF signal
  • Full RF spectrum analysis via software analysis tools
  • Interface with field signal analyzer equipment used for drive tests
  • Key Benefits

  • Offers a high resolution real-time analysis of RF Spectrum
  • Lowers the cost of noise troubleshooting by reducing truck rolls and tower climbs since RF signal is accessed at the bottom of the tower via the CPRI link
  • Decreases time to problem resolution by using signal analysis software to isolate problems quickly
  • Digitized RF data can be captured for in-depth offline analysis
  • Remote internet connection allows both control and collaboration remotely
  • Supports CPRI V5.0
  • Cable Testing

    Remote Radio Installation Diagnostic Testing

    CAPTURE/REPLAY RF SPECTRUM WITH IQ RECORDING CAPABILITY

  • Recorded IQ data provides complete information for comprehensiveness analysis before or after the event
  • Saves several seconds of I/Q data before with user-specific trigger event system
  • Records trigger (e.g. limit line violations)
  • Future: Record based on conditional analysis (IF/THEN/ELSE type statements)
  • REMOTE CONTROL + GROUP VIEWING

  • Via standard 3G/4G USB Modem
  • Collaborate with Principal RF Engineers
  • View RF interference in an RRH/RRU on smartphone when away from the tower
  • HIGHEST RF SPECTRUM RESOLUTION OVER CPRI

  • Lab quality resolution in a hardened field instrument
  • Fast RAM data buffer stores I/Q data
    • See the Integris Chassis

      The unique Integris chassis is entirely ruggedized, designed for reliability and high performance.

      Integris 2000

      RRH and Cable Installation Tester

    Unit pricing is available upon request. Get your quote today.