Method of Handling Minimization of Drive Tests measurement and Related Communication Device

• US 20120028611A1
• Filed: 07/26/2011
• Published: 02/02/2012
• Est. Priority Date: 07/27/2010
• Status: Active Grant

• Current Assignee: HTC Corporation
• Original Assignee: HTC Corporation
• Inventors: Wu, Chih-Hsiang
• Granted Patent: US 9,220,029 B2
• Time in Patent Office: Days
• US Class Current: 455/411
• CPC Class Codes: H04W 24/08 Testing, supervising or monitoring using real traffic
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 60/06 De-registration or detaching
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method of handling minimization of drive tests, hereafter called MDT, measurement for a mobile device in a wireless communication system is disclosed. The method includes registering to a first public land mobile network, and maintaining MDT measurement configuration when the UE registers to a second public land mobile network belonging to an operator as the first public land mobile network is, or the UE is in coverage of the first public land mobile network but registering to no public land mobile network.

Claims

1. A method of handling minimization of drive tests, hereafter called MDT, measurement for a mobile device in a wireless communication system, the method comprising:

registering to a first public land mobile network of the wireless communication system; and

validating a MDT measurement configuration when the mobile device registers to a second public land mobile network belonging to an operator as the first public land mobile network is, or is in coverage of the first public land mobile network but registering to no public land mobile network.

2. The method of claim 1 further comprising:

keeping measurement logging corresponding to the MDT measurement configuration.

3. The method of claim 1, wherein validating the MDT measurement configuration when the mobile device is in the coverage of the first public land mobile network but registering to no public land mobile network comprises:

validating the MDT measurement configuration when registering to no public land mobile network and receiving a message with a reject cause of that a location area or tracking area is not allowed for the mobile device, no suitable cell is in the location area or tracking area, or a closed subscriber group of the first public land mobile network is not authorized to the mobile device.

4. A method of handling minimization of drive tests, hereafter called MDT, measurement for a mobile device in a wireless communication system, the method comprising:

registering to a public land mobile network of the wireless communication system; and

invalidating a MDT measurement configuration when the mobile device is determined to be invalid for the registered public land mobile network.

5. The method of claim 4 further comprising:

stopping measurement logging corresponding to the MDT measurement configuration.

6. The method of claim 4, wherein invalidating the MDT measurement configuration when the mobile device is determined to be invalid for the registered public land mobile network comprises:

invalidating the MDT measurement configuration when the mobile device is invalid for the registered public land mobile network with a reject cause, wherein the reject cause is that an international mobile subscriber identity (IMSI) of the mobile device is unknown in a home location register of the wireless communication system, the mobile device is illegal, or the public land mobile network is not allowed.

7. A method of handling minimization of drive tests, hereafter called MDT, measurement for a mobile device in a wireless communication system, the method comprising:

configuring with a MDT measurement configuration; and

invalidating the MDT measurement configuration when the mobile device performs a detach procedure to a network of the wireless communication system.

8. The method of claim 7 further comprising:

stopping measurement logging corresponding to the MDT measurement configuration.

9. A method of handling minimization of drive tests, hereafter called MDT, measurement for a mobile device in a wireless communication system, the method comprising:

collecting measurement logs according to a MDT measurement configuration from a network of the wireless communication system; and

determining the collected measurement logs as invalid when the mobile device performs a detach procedure to the network.

10. A method of handling minimization of drive tests, hereafter called MDT, measurement for a network in a wireless communication system, the method comprising:

configuring a MDT measurement configuration to a mobile device of the wireless communication system; and

invalidating the MDT measurement configuration when the mobile device performs a detach procedure to the network.