UE Idle and Connected Mode

8. What is difference between Idle & Connected Mode

In LTE UE can either be on Connected or on Idle state.

Following diagram taken from (http://www.teletopix.org/4g-lte/state-of-rrc-in-lte/)  shows a better difference b/w these two states;


  1. RRC Connected, when it has a RRC connection with a given eNB
  2. RRC IDLE when it has no valid RRC link with any eNB.


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