METHOD, APPARATUS, AND SYSTEM FOR MEASURING AGGREGATED CARRIER CELL

• US 20120295610A1
• Filed: 08/02/2012
• Published: 11/22/2012
• Est. Priority Date: 02/03/2010
• Status: Active Grant

• Current Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Original Assignee: Huawei Technologies Co., Ltd. (Huawei Investment & Holding Co., Ltd.)
• Inventors: Tang, Binsong, Wang, Jun, DENG, Tianle
• Granted Patent: US 8,774,792 B2
• Time in Patent Office: Days
• US Class Current: 455/423
• CPC Class Codes: H04B 17/318 Received signal strength
• CPC Class Codes: H04L 43/08 Monitoring or testing based on specific metrics, e.g. QoS, energy consumption or environmental parameters
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 52/0245 according to signal strength
• CPC Class Codes: H04W 72/54 based on quality criteria
• CPC Class Codes: Y02D 30/70 in wireless communication networks

Abstract

A method for measuring an aggregated carrier cell includes: obtaining, by a user equipment, measurement configuration information of an aggregated carrier cell, where the measurement configuration information includes signal estimation value information and a corresponding measurement period thereof; obtaining, by the user equipment, a measurement period of a non-active component carrier according to a signal estimation value of the non-active component carrier in the aggregated carrier cell and the measurement configuration information; and measuring the non-active component carrier according to the measurement period. With the method of the present invention, the user equipment can measure different component carriers in an aggregated carrier cell in different periods.

Claims

1. A method for measuring an aggregated carrier cell, comprising:

obtaining, by a user equipment, measurement configuration information of an aggregated carrier cell, wherein the measurement configuration information comprises signal estimation value information and a corresponding measurement period thereof;

obtaining, by the user equipment, according to a signal estimation value of a non-active component carrier in the aggregated carrier cell and the measurement configuration information, a measurement period of the non-active component carrier; and

measuring, by the user equipment, the non-active component carrier according to the measurement period of the non-active component carrier.

2. The method according to claim 1, wherein the obtaining, by the user equipment, the measurement configuration information of the aggregated carrier cell comprises:

receiving, by the user equipment, the measurement configuration information from a serving base station, or

obtaining, by the user equipment, the measurement configuration information from preset information.

3. The method according to claim 1, wherein a method for obtaining the signal estimation value of the non-active component carrier in the aggregated carrier cell comprises:

measuring, by the user equipment, the non-active component carrier in the aggregated carrier cell, and obtaining the signal estimation value of the non-active component carrier, or

obtaining, by the user equipment, the signal estimation value of the non-active component carrier in the aggregated carrier cell according to a signal estimation value of a known component carrier in the aggregated carrier cell.

4. The method according to claim 3, wherein the signal estimation value of the non-active component carrier comprises:

a mean value of the signal estimation value of the non-active component carrier.

5. The method according to claim 1, wherein the signal estimation value information and the corresponding measurement period thereof in the measurement configuration information comprise a signal estimation value range and a corresponding measurement period thereof.

6. The method according to claim 5, wherein the obtaining, by the user equipment, according to the signal estimation value of the non-active component carrier in the aggregated carrier cell and the measurement configuration information, the measurement period of the non-active component carrier further comprises:

selecting, by the user equipment, the measurement period of the non-active component carrier from the measurement configuration information according to the signal estimation value of the non-active component carrier in the aggregated carrier cell.

7. The method according to claim 1, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

8. The method according to claim 2, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

9. The method according to claim 3, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

10. A user equipment, comprising:

a first obtaining unit, configured to obtain measurement configuration information of an aggregated carrier cell, wherein the measurement configuration information comprises signal estimation value information and a corresponding measurement period thereof;

a second obtaining unit, configured to obtain a measurement period of a non-active component carrier according to a signal estimation value of the non-active component carrier in the aggregated carrier cell and the measurement configuration information; and

a measuring unit, configured to measure the non-active component carrier according to the measurement period of the non-active component carrier.

11. The user equipment according to claim 10, wherein the first obtaining unit is further configured to receive the measurement configuration information from a serving base station or obtain the measurement configuration information from preset information of the user equipment.

12. The user equipment according to claim 10, wherein the second obtaining unit is further configured to:

measure the non-active component carrier in the aggregated carrier cell, and obtain the signal estimation value of the non-active component carrier, or obtain the signal estimation value of the non-active component carrier in the aggregated carrier cell according to a signal estimation value of a known component carrier in the aggregated carrier cell.

13. The user equipment according to claim 12, wherein the signal estimation value of the non-active component carrier comprises:

a mean value of the signal estimation value of the non-active component carrier.

14. The user equipment according to claim 10, wherein the signal estimation value information and the corresponding measurement period thereof in the measurement configuration information obtained by the first obtaining unit comprise a signal estimation value range and a corresponding measurement period thereof.

15. The user equipment according to claim 14, wherein the second obtaining unit is further configured to select the measurement period of the non-active component carrier from the measurement configuration information according to the signal estimation value of the non-active component carrier in the aggregated carrier cell.

16. The user equipment according to claim 10, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

17. The user equipment according to claim 11, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

18. The user equipment according to claim 12, wherein the signal estimation value and the corresponding measurement period thereof refer to signal power information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal power of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal quality information and a corresponding measurement period thereof and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to signal quality of the non-active component carrier in the aggregated carrier cell;

or

the signal estimation value information and the corresponding measurement period thereof refer to signal path loss information and a corresponding measurement period thereof, and the signal estimation value of the non-active component carrier in the aggregated carrier cell refers to a signal path loss of the non-active component carrier in the aggregated carrier cell.

19. A system for measuring an aggregated carrier cell, comprising a base station and the user equipment according to claim 10.

20. The system according to claim 19, wherein the first obtaining unit is further configured to receive the measurement configuration information from a serving base station or obtain the measurement configuration information from preset information of the user equipment.