Video | November 16, 2015

Video: CPRI Cell Site Architecture, Configuration, and Results

Source: Anritsu Company

Many of today’s cellular networks install a distributed architecture where the traditional radio has been split into a baseband unit, or BBU, and remote radio head, or RRH. The BBU and RRH are typically connected with a fiber link conforming to the Common Public Radio Interface, or CPRI. This video discusses how using Anritsu's MT1000A Network Master field transport tester can rival the BBU and perform the following tests:

  • Confirm the RRH is powered-up correctly
  • Confirm the fibers are connected correctly…for example, are they in the correct port, not crossed, etc.
  • Verify that the correct wavelength SFP/SFP+ modules are installed
  • Verify that the SFP/SFP+ modules support the configured rate
  • Confirm the optical connector condition and cleanliness using a
  • Video Inspection Probe (VIP)
  • Confirm the round trip time of the link is within spec
  • Confirm that the RRH can connect to the lower communications layers, including the C&M channels; therefore confirming that the communication configuration settings (the line rate, HDLC rate, etc.) are correct