Terminology » Mobile Communication » Answer Seizure Ratio (ASR) vs. Answer Busy Ratio (ABR) Explained

Answer Seizure Ratio (ASR) vs. Answer Busy Ratio (ABR) Explained

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This page will explain the difference between Answer Seizure Ratio and Answer Busy Ratio. These terms are important in the realm of teletraffic engineering for mobile systems.

Answer Seizure Ratio (ASR)

  • The Answer Seizure Ratio is the ratio between the number of successful calls (answered calls) and the total number of call attempts (seizures).
  • It is commonly abbreviated as ASR.

Answer Seizure Ratio

Answer Busy Ratio (ABR)

  • The Answer Busy Ratio is the ratio of the number of successful calls (answered calls) and the total number of busy calls.
  • Answer Busy Ratio is abbreviated as ABR.

Answer Busy Ratio

Key Takeaways

  • Both ABR and ASR are typically measured over relatively short periods, usually around 5 to 15 minutes.
  • Both Answer Seizure Ratio and Answer Busy Ratio serve as good indicators of instantaneous network congestion.
  • Lower values of ABR and ASR suggest higher network congestion.
  • Higher values of ABR and ASR don’t necessarily mean lower network congestion. Calls can remain unanswered for various other reasons, not solely due to network capacity.

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