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Interference Mitigation for DAS and BDAs in a Crowded Spectrum Environment


Chris Godwin  (Chief Technology Officer, RF Solutions LLC)


Wayne Wong  (Product Marketing Manager, Anritsu)

David Adams  (Director, Market Development, PCTEL)

Dino Giordano  (VP of Engineering, Microlab)

Fernando Sommariva  (R&D Director, Honeywell)

Location: W230C

Date: Monday, March 25

Time: 11:20 am - 12:20 pm

Track: In-Building Wireless

Topic: Critical Infrastructure, LMR, Private Networks, Project Management, Regulatory, Situational Awareness, Spectrum

Format: Panel Session

Vault Recording: TBD

Distributed Antenna Systems (DAS) and Bi-Directional Antennas (BDAs) can create interference issues, especially in a crowded RF environment. External interference, signal boosters and noise can cause users to be unable to communicate on outdoor macro networks, especially if installed improperly or if the power is jacked up, which can be especially detrimental to first responders. In both indoor and outdoor settings, interference can degrade or even disable wireless systems, especially on the uplink. We will look at some real-life examples and discuss ways to avoid, locate and mitigate interference.

Key Takeaways
  • Types and sources of RF interference
  • How to detect and mitigate the interference through proactive testing and monitoring
  • Managing interactions between signal boosters/BDAs and the outdoor networks
  • Regulatory requirements for DAS and BDAs
  • How to prevent the interference in the first place