During RRC_CONNECTED mode, if the eNodeB decides that the UE needs to perform LTE inter-frequency and inter-RAT monitoring activities, it will provide the UE with a measurement configuration which includes a monitoring gap pattern sequence. Similar mechanisms exist in UMTS (known as ‘Compressed Mode gaps’ and ‘FACH Measurement Occasions’ depending on the state and capabilities […]
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Is There Compressed Mode in LTE?