US Patent No. 9,516,518

METHOD AND DEVICE FOR PERFORMING MDT MEASUREMENT CONFIGURATION


Patent No. 9,516,518
Issue Date December 06, 2016
Title Method And Device For Performing Mdt Measurement Configuration
Inventorship Aijuan Liu, Beijing (CN)
Yan Wang, Beijing (CN)
Nan Yan, Beijing (CN)
Jing Liang, Beijing (CN)
Assignee CHINA ACADEMY OF TELECOMMUNICATIONS TECHNOLOGY, Beijing (CN)

Claim of US Patent No. 9,516,518

6. A method for performing Minimization of Drive-Tests, MDT, measurement configuration, comprising:
after receiving a notification of change of subscription information of a user equipment, storing, by a Mobility Management
Entity, MME, current user consent information used for indicating that the user equipment is allowed to perform MDT measurement
and a Public Land Mobile Network, PLMN, list of the user equipment for performing the MDT measurement, which are carried in
the notification; and

after receiving a notification of activating the MDT measurement of the user equipment, finding out, by the MME, that the
subscription information of the user equipment changes from performing no MDT measurement into being allowed to perform the
MDT measurement, refusing to send a Trace Start message to a serving base station of the user equipment, or sending the Trace
Start message carrying the PLMN list of the user equipment for performing the MDT measurement to the serving base station
of the user equipment.