Measurement configuration and reporting method for multi-carrier system and device thereof

• US 9,713,024 B2
• Filed: 12/01/2012
• Issued: 07/18/2017
• Est. Priority Date: 06/18/2010
• Status: Active Grant

• Current Assignee: Datang Mobile Communications Equipment Company Limited (China Information Communication Technology Group Co. Ltd.)
• Original Assignee: China Academy of Telecom Technology (China Information Communication Technology Group Co. Ltd.)
• Inventors: Liang, Jing, Li, Haitao
• Primary Examiner(s): Wu, Jianye
• Application Number:
  US13/691,743
• Publication Number:
  US 20130163454A1
• Time in Patent Office: 1,690 Days
• Field of Search: 370252, 370332, 455 59
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 36/0058 Transmission of hand-off measurement information, e.g. measurement reports
• CPC Class Codes: H04W 36/0069 in case of dual connectivity, e.g. decoupled uplink/downlink
• CPC Class Codes: H04W 36/00692 using simultaneous multiple data streams, e.g. cooperative multipoint [CoMP], carrier aggregation [CA] or multiple input multiple output [MIMO] allocation of physical resources in CoMP or in CA H04L5/0035
• CPC Class Codes: H04W 36/0079 in case of hand-off failure or rejection
• CPC Class Codes: H04W 36/00835 Determination of neighbour cell lists
• CPC Class Codes: H04W 36/008357 Determination of target cell based on access point [AP] properties, e.g. AP service capabilities
• CPC Class Codes: H04W 36/0085 Hand-off measurements

Abstract

The present invention discloses a measurement configuration and reporting method for multi-carrier system and device thereof, and the method comprises the following steps: eNB sends RRC signaling carrying multi-carrier measurement configuration information to the terminal; said terminal measures according to said multi-carrier measurement configuration information and carries multi-carrier measurement results in measurement report message. In the embodiments of the present invention, the terminal carries multi-carrier measurement results in measurement report message according to RRC signaling sent by eNB to quickly provide measurement results required during eNB handover, thus facilitating source eNB to perform multi-carrier handover for UE under CA.

Claims

1. A measurement configuration and reporting method for multi-carrier system, the method comprising:

sending, by an evolved Node-B (eNB), a radio resource control (RRC) signaling that carries multi-carrier measurement configuration information to a terminal;

performing measurement, by the terminal in accordance with said multi-carrier measurement configuration information, and providing multi-carrier measurement results carried in a measurement report message,

wherein said RRC signaling carries a reporting indicator; and

the step of performing measurement, by the terminal, in accordance with said multi-carrier measurement configuration information and providing multi-carrier measurement results carried in the measurement report message, comprises;

acquiring, by the terminal the reporting indicator carried in said RRC signaling,

determining to report measurement report identification information corresponding to multi-carrier measurement results based on said reporting indicator, and

providing the multi-carrier measurement results carried in a measurement report message corresponding to said measurement report identification information, according to one or more of the following configured options;

the maximum number of cells allowable to be reported to, the maximum number of frequencies allowable to be reported at, and the maximum number of cells allowable to be reported to at each frequency.

2. The method as claimed in claim 1, wherein the step of providing the multi-carrier measurement results carried in the measurement report message corresponding to said measurement report identification information, comprises:

when said measurement report identification information refers to measurement identifications (IDs), said terminal providing multi-carrier measurement results carried in a measurement report message corresponding to said measurement ID;

when said measurement report identification refers to a measurement event, said terminal providing multi-carrier measurement results carried in a measurement report message corresponding to said measurement event;

when said measurement report identification refers to a measurement object, said terminal providing multi-carrier measurement results carried in a measurement report message corresponding to said measurement object.

3. The method as claimed in claim 1, wherein said reporting indicator also carries identifications of each carrier measurement result corresponding to said multi-carrier measurement results.

4. The method as claimed in claim 1, wherein the step of providing the multi-carrier measurement results carried in the measurement report message comprises:

determining, by the terminal, measurement report identification information corresponding to to-be-reported multi-carrier measurement results according to a pre-configured report strategy, and providing the multi-carrier measurement results carried in a measurement report message corresponding to said measurement report identification information.

5. The method as claimed in claim 1, wherein said multi-carrier measurement results comprise one or more of the following options:

a strongest cell, or cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies;

a strongest cell, or cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies in a reporting list;

cells currently in a reporting list corresponding to other measurement identifications;

measurement results corresponding to configured measurement events, or measurement objects, or measurement identifications, or serving cells or cells in a measurement white list;

cells with channel qualities greater than a preset threshold;

cells capable of carrier aggregating (CA) with those currently triggering the measurement report.

6. The method as claimed in claim 1, wherein said multi-carrier measurement results comprise one or more of the following options:

measurement identifications corresponding to additional measurement results;

identifications of measurement report cells in additional measurement results;

channel quality of measurement report cells in additional measurement results.

7. An evolved Node-B (eNB), comprising:

a sending unit, which is configured to send a radio resource control (RRC) signaling that carries multi-carrier measurement configuration information; and

a reception unit, which is configured to receive a measurement report message that carries multi-carrier measurement results,

wherein said sending unit is also configured to;

provide a reporting indicator carried in said RRC signaling, and indicate to report measurement report identification information corresponding to multi-carrier measurement results through said reporting indicator, and

the multi-carrier measurement results carried in the measurement report message is provided according to one or more of the following configured options;

the maximum number of cells allowable to be reported to, the maximum number of frequencies allowable to be reported at, and the maximum number of cells allowable to be reported to at each frequency.

8. The eNB as claimed in claim 7, wherein said sending unit is also configured to:

determine to report measurement objects, measurement events or measurement identifications (IDs) corresponding to multi-carrier measurement results through said reporting indicator.

9. The eNB as claimed in claim 7, wherein said reporting indicator also carries identifications of each carrier measurement result corresponding to said multi-carrier measurement results.

10. The eNB as claimed in claim 7, wherein multi-carrier measurement results received by said reception unit comprises one or more of the following options:

a strongest cell, or cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies;

a strongest cell, or cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies in a reporting list;

cells currently in a reporting list corresponding to other measurement identifications;

measurement results corresponding to configured measurement events, or measurement objects, or measurement identifications, or serving cells or cells in a measurement white list;

cells with channel qualities greater than a preset threshold;

cells capable of carrier aggregating (CA) with those currently triggering the measurement report.

11. The eNB as claimed in claim 7, wherein the multi-carrier measurement results received by said reception unit comprise one or more of the following options:

measurement identifications corresponding to additional measurement results;

identifications of measurement report cells in additional measurement results;

channel quality of measurement report cells in additional measurement results.

12. A terminal, comprising:

a reception unit, which is configured to receive a radio resource control (RRC) signaling sent by an evolved Node-B (eNB);

a measurement unit, which is configured to perform measurement according to multi-carrier measurement configuration information carried in said RRC signaling;

a reporting unit, which is configured to provide multi-carrier measurement results carried in a measurement report message;

wherein said reporting unit is further configured to;

acquire a reporting indicator carried in said RRC signaling;

determine to report measurement report identification information corresponding to multi-carrier measurement results according to said reporting indicator, and

provide such results carried in a measurement report message corresponding to the measurement report identification information, according to one or more of the following configured options;

the maximum number of cells allowable to be reported to, the maximum number of frequencies allowable to be reported at, and the maximum number of cells allowable to be reported to at each frequency.

13. The terminal as claimed in claim 12, wherein said reporting unit is also configured to:

provide multi-carrier measurement results carried in a measurement report message corresponding to measurement identifications (IDs) when said measurement report identification refers to measurement IDs;

provide multi-carrier measurement results carried in a measurement report message corresponding to a measurement event when said measurement report identification refers to the measurement event;

provide multi-carrier measurement results carried in a measurement report message corresponding to a measurement object when said measurement report identification refers to the measurement object.

14. The terminal as claimed in claim 12, wherein said reporting unit is also configured to:

acquire identifications of each carrier measurement results corresponding to said multi-carrier measurement results carried by said reporting indicator.

15. The terminal as claimed in claim 12, wherein said reporting unit is also configured to:

determine the measurement report identification information corresponding to to-be-reported multi-carrier measurement results according to a pre-configured report strategy, and providing the multi-carrier measurement results carried in a measurement report message corresponding to said measurement report identification information.

16. The terminal as claimed in claim 12, wherein said reporting unit is also configured to:

provide one or several options below carried in said multi-carrier measurement results;

a strongest cell, or the cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies;

a strongest cell, or cells of configuration numbers from strong to weak, in accordance with channel qualities on other measurement frequencies in a reporting list;

cells currently in a reporting list corresponding to other measurement identifications;

measurement results corresponding to configured measurement events, or measurement objects, or measurement identifications, or serving cells or cells in a measurement white list;

cells with channel qualities greater than a preset threshold;

cells capable of carrier aggregating (CA) with those currently triggering the measurement report;

or,

provide one or several options below carried in said multi-carrier measurement results;

measurement identifications corresponding to additional measurement results;

identifications of measurement report cells in additional measurement results;

channel quality of measurement report cells in additional measurement results.