Existing cell-tower upgrades
Replace old coax cable with fiber running from the base station to the RRH.
New cell-tower deployment
Run fiber from basestation to the RRH at the top of the antenna.
Common public radio interface (CPRI)
A standard that defi nes a communication link between a basestation and RRH.
The basestation can be connected to the backhaul via fiber, or wirelessly via radio frequency (RF) signals.
KEY CONSIDERATIONS AND CHALLENGES
Operational expenditures (OPEX) challenges
Dispatching tower-climber technicians for repairs can be very expensive, rendering repeat jobs unfeasible.
Tower-climber technicians usually have a background in copper or RF, but only limited fi ber-testing knowledge. Lack of training can lead to basic errors, incorrect results interpretation, and other problems.
Guarding against weather
When installing next-generation tower networks, wireless operators must address new weatherproofi ng challenges. Proper weatherproofing can help safeguard against expensive service interruptions and ensure network reliability