# Traffic Intensity ## Erlangs How to measure the amount of traffic? In Erlangs (a ratio - dimensionless) 1 Erlang of traffic will occupy 1 channel continuously 0.5 Erlang = Channel in use 50% of the time. ## What to do if blocked? Blocked calls cleared - [erlang B model](erlang%20B%20model.md) formula Blocked calls delayed - erlang C formula Use Erlang B in [TELE4652](../../../Spaces/University/TELE4652/MOCs/Mobile%20and%20Satellite%20Communications.md). [^1] # References [^1]: