Mobility in a Wireless Network

• US 20120244903A1
• Filed: 03/29/2012
• Published: 09/27/2012
• Est. Priority Date: 10/02/2009
• Status: Active Grant

• Current Assignee: Malikie Innovations Limited (Key Patent Innovations Limited)
• Original Assignee: Blackberry Limited
• Inventors: Fong, Mo-Han, Hole, David Philip, Wirtanen, Jeffrey William, Dwyer, Johanna Lisa, Kim, Young Ae
• Granted Patent: US 9,380,449 B2
• Time in Patent Office: Days
• US Class Current: 455/517
• CPC Class Codes: H04L 43/16 Threshold monitoring
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 48/02 Access restriction performed under specific conditions
• CPC Class Codes: H04W 8/20 Transfer of user or subscriber data
• CPC Class Codes: H04W 84/045 using private Base Stations, e.g. femto Base Stations, home Node B
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A system and method for mobility in a wireless network are presented. A user equipment with a processor configured to inform a network component of a closed subscriber group (CSG) capability of the UE. The processor informs the network component during capability exchange signaling. The processor informs the network component whether the UE is capable of detecting a CSG cell and whether the UE is a member of at least one CSG.

Claims

1. A user equipment (UE) comprising:

a memory storing an allowed closed subscriber group (CSG) list;

a transceiver configured to receive a measurement reporting criteria from a network component, the measurement reporting criteria specifying a signal strength criterion; and

a processor configured to use the signal strength criterion to generate a measurement report that includes measurement results of a CSG cell when the signal strength criterion is satisfied relative to the CSG cell, and when the CSG cell is included in the allowed CSG list,

wherein the processor is further configured to assign a higher priority to the CSG cell in the measurement report relative to a non-CSG cell.

2. The UE of claim 1, wherein the measurement reporting criteria further specifies a maximum number of non-CSG cells that can be included in the measurement report.

3. The UE of claim 2, wherein the processor is further configured cooperate with the transceiver to send the measurement report to the network component, the measurement report including measurement results associated with said maximum number of non-CSG cells.

4. A network component comprising:

a processor configured to generate a measurement reporting criteria that specifies a signal strength criterion; and

a transceiver configured to send the measurement reporting criteria to a user equipment (UE), the transceiver being further configured to receive a measurement report from the UE relative to the measurement reporting criteria,

wherein the measurement report includes measurement results of a CSG cell when the signal strength criterion is satisfied relative to the CSG cell, and when the CSG cell is included in an allowed CSG list of the UE,

and wherein the CSG cell in the measurement report has a higher priority relative to a non-CSG cell.

5. The network component of claim 4, wherein the measurement reporting criteria further specifies a maximum number of non-CSG cells that can be included in the measurement report.

6. The network component of claim 5, wherein a measurement report that is received by the transceiver includes measurement results associated with said maximum number of non-CSG cells.

7. A computer-readable medium storing instructions which are configured to cause a network component to perform operations of a method, the computer-readable medium comprising:

first instructions configured to cause a processor to generate a measurement reporting criteria that specifies a signal strength criterion; and

second instructions configured to cause a transceiver to send the measurement reporting criteria to a user equipment (UE), the second instructions being further configured to cause reception of a measurement report from the UE relative to sending of the measurement reporting criteria,

wherein the measurement report includes measurement results of a CSG cell when the signal strength criterion is satisfied relative to the CSG cell, and when the CSG cell is included in an allowed CSG list of the UE,

and wherein the CSG cell in the measurement report has a higher priority relative to a non-CSG cell.

8. The computer-readable medium of claim 7, wherein the measurement reporting criteria further specifies a maximum number of non-CSG cells that can be included in the measurement report.

9. The computer-readable medium of claim 8, wherein a measurement report that is received, relative to sending of the measurement reporting criteria, includes measurement results associated with said maximum number of non-CSG cells.