Device to device interference triggered handover

• US 9,220,121 B2
• Filed: 11/19/2013
• Issued: 12/22/2015
• Est. Priority Date: 11/19/2013
• Status: Expired due to Fees

• Current Assignee: Nokia Technologies Oy (Nokia Corporation)
• Original Assignee: Nokia Technologies Oy (Nokia Corporation)
• Inventors: Yilmaz, Osman
• Primary Examiner(s): NGUYEN, KHAI MINH
• Application Number:
  US14/084,247
• Publication Number:
  US 20150141000A1
• Time in Patent Office: 763 Days
• Field of Search: 455/436, 455/439, 455/444, 455/445, 455/426.1
• US Class Current: 1/1
• CPC Class Codes: H04W 36/0094 Definition of hand-off measurement parameters
• CPC Class Codes: H04W 36/30 by measured or perceived connection quality data
• CPC Class Codes: H04W 36/302 due to low signal strength
• CPC Class Codes: H04W 76/14 Direct-mode setup
• CPC Class Codes: H04W 88/06 adapted for operation in multiple networks or having at least two operational modes, e.g. multi-mode terminals

Abstract

Various communication systems may benefit from properly triggered handovers. For example, certain communication systems may benefit from device-to-device interference triggered handovers. A method may include identifying, at a device, at least one strong device to device communication. The method may also include reporting, or initiating the reporting, the at least one strong device to device communication to a controlling node, wherein the controlling node is configured to control the device.

Claims

1. A method comprising:

identifying a strong device to device communication based on a report received from a device;

determining whether to hand over at least one device based on whether the at least one device is part of strong device to device communication; and

triggering handover of the at least one device, based on the determining, when handing over the device places more strong device to device communications under a single controlling node.

2. The method of claim 1, wherein the determining is configured to keep strong device to device communicators under control of a same controlling node.

3. The method of claim 1, further comprising:

identifying a controlling node associated with the strong device to device communication.

4. The method of claim 3, wherein the identifying the controlling node comprises inquiring of a network based on information included in the report.

5. The method of claim 1, further comprising:

confirming with a target controlling node that handing over the device places more strong device to device communications under the single controlling node, prior to commanding the at least one device to hand over.

6. An apparatus, comprising:

at least one processor; and

at least one memory including computer program code,

wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to

identify a strong device to device communication based on a report received from a device;

determine whether to hand over at least one device based on whether the at least one device is part of strong device to device communication; and

trigger handover of the at least one device, based on the determining, when handing over the device places more strong device to device communications under a single controlling node.

7. The apparatus of claim 6, wherein the apparatus is configured to keep strong device to device communicators under control of a same controlling node.

8. The apparatus of claim 6, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to identify a controlling node associated with the strong device to device communication.

9. The apparatus of claim 8, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to identify the control by inquiring of a network based on information included in the report.

10. The apparatus of claim 6, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus at least to confirm with a target controlling node that handing over the device places more strong device to device communications under the single controlling node, prior to commanding the at least one device to hand over.