Patent ID: 9730090
Date: 2017-08-08
CPC Classifications: H04W

Claim:
1. A method, comprising: performing radio measurements of a serving cell and neighbor cells by a user equipment (UE) in a mobile communication network; evaluating a measurement reporting criteria and attempting to access the network to deliver a measurement report if the criteria is met; detecting a radio link failure or a hand-over failure event and re-connecting to the network by performing RRC reestablishment or RRC establishment with the network; and transmitting a failure event report to the network, wherein the failure event report includes measurement state information that corresponds to the failure event, wherein the measurement state information comprises measurement and reporting parameters at the time of the failure event, and wherein the measurement state information further indicates the failure event is associated with which uplink channel including a random access channel (RACH), a physical uplink control channel (PUCCH), and a physical uplink shared channel (PUSCH).