Interference hunting with R&S FPH at night

Interference hunting

Locate and eliminate all kinds of interference

Unwanted transmitters are pervasive in today’s mobile networks, degrading network capacity and reducing subscriber QoE. With the densification of cells and the deployment of emerging standards with higher-order modulation over legacy technologies, the RF environment is becoming ever-more complex making networks increasingly susceptible to interference and therefore interference hunting is a key issue for mobile network operators and regulators.

External interference can originate from a licensed or non-licensed radio transmitter. A few dBs of reduction in signal to noise ratio at the receiver dramatically impacts network capacity with subsequent loss of revenue and subscriber QoE, requiring operators to hunt down interference quickly.

Thankfully, scanners can automatically identify unwanted transmitters and spectrum analyzers or receivers, together with a direction-finding antenna and sophisticated software, can automate the process to locate interference. Combining decades of expertise in the field with cutting-edge technology for every budget and use case, Rohde & Schwarz solutions for interference hunting allow network operators, regulators and service companies to identify and locate any source of RF interference in mobile networks fast and efficiently.

Expertise in interference hunting

Webinar: Prepare your spectrum for 5G deployment

The roll out of 5G NR will initiate a worldwide deployment in an unknown radio environment where unwanted transmitters can degrade end user QoE and in some cases cause outages of critical services. Prior to deployment, operators need to ensure the radio environment is free from interference by conducting spectral clearance and interference hunting. This webinar defines the particular challenges of 5G NR, highlights a robust approach to prepare the spectrum and shares real field data at 3.5 GHz and 28 GHz.

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Application card: Interference hunting in smart factories

Smart factories rely heavily on wireless communications technology to automate production processes and increase productivity. Any source of RF interference can disrupt the production process or delay the output.

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Become a Rohde & Schwarz certified iHunter

  • A comprehensive, 4-module webinar series covering identifying, locating and eliminating interference
  • Expert test techniques and tools
  • Technical materials and whitepapers
  • Upon completion of the webinar series, you will receive a certificate from Rohde & Schwarz and be invited for a demonstration

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Webinar: Identifying and eliminating interference in mobile networks

Interference in the Radio Access Network is ubiquitous and becoming more critical as the deployment of the latest cellular standards brings increased sensitivity and subsequent degradation of network performance. This webinar examines the different sources of interference in mobile networks and considers their impact on capacity and subscriber Quality of Experience.

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Application card: Automated spectrum clearance in LTE and 5G mobile networks

Interference that can degrade capacity and quality of service is becoming ever more troublesome as operators roll out 5G NR using new bands that previously contained other services. This is particularly important for the rollout of 5G NR because of its demanding use cases and high spectral density. This Application Note describes the challenges of spectral clearance and details the process of automatic detection of interference signals using a network scanner and drive test software.

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Why AOA outperforms POA in urban interference hunting

This white paper describes the AOA and POA methods applied to automatic radiolocation of RF interferers from a moving vehicle, comparing their performance with focus on cellular networks in urban areas.

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Interference Hunting with R&S FSH Handheld Spectrum Analyzer

This application note explains how to detect, characterize, find and document interferers in cellular networks using the R&S FSH spectrum analyzer.

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The real meaning of automatic direction finding

The need for interference hunting in mobile networks is steadily increasing. And field engineers often ask us which tool we would recommend to be successful in the field. With decades of expertise, what we can say for sure is that it depends: the right tool for successful field service operations depends on the source of interference. Sources are manifold, but with the most suitable tool they are easy to locate.

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Automatic spectrum analysis for band refarming and network rollout

The Rohde & Schwarz network scanner R&S TSMx plus the network problem analyzer (NPA) feature of the R&S ROMES measurement software allows you to perform a fast drive test with a fleet of cars and collect spectrum data for your targeted or even complete network area in next to no time. Back at your office, the NPA tells you where to send dedicated interference hunting teams with an analyzer or receiver to track down the source of interference. This paper introduces the approach in detail.

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Solutions for interference hunting

R&S®Spectrum Rider FPH

Handheld spectrum analyzer

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R&S®MNT100

Interference locator

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R&S®MobileLocator

Automatic interference hunting and emitter location

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R&S®ROMES

Spectrum clearing for large or even country wide areas

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