Patent ID: 9326167
Filing Date: 2016-04-26
CPC Classification: H04W

Claim Text:
1. A method for collecting radio link failure data in a wireless network, the method comprising: receiving, by a first radio access node, radio link failure data related to a connection failure experienced by a user equipment on a radio link between the user equipment and a radio access node; determining, using information contained in the radio link failure data, whether the radio link failure data satisfies at least one filtering condition wherein the at least one filtering condition comprises at least one of: a presence of detailed location information in the radio link failure report, a protocol release version of the radio link failure report, a signal strength of non-serving cells above/below a threshold, a carrier frequency of a last serving cell, PLMN or TAI of the last serving cell, a specific attribute of the radio link failure report is above/below a threshold, and when it is determined that the radio link failure data satisfies the at least one filtering condition, sending the radio link failure data to at least one of a second radio access node and a radio link failure data collection entity.