Method of handling measurement gap configuration and communication device thereof

1. A method of handling measurement gap configuration for a network in a wireless communication system comprising a mobile device capable of receiving on a plurality of component carriers, the method comprising:

configuring one measurement gap configuration to the mobile device with a first gap offset for at least a first component carrier of the plurality of component carriers and with a second gap offset for at least a second component carrier of the plurality of component carriers, wherein each of the first and second gap offsets indicates a value for shifting a measurement gap in one of the at least a first and second component carriers of the plurality of component carriers, whereby the mobile device configured with the one measurement gap configuration performs measurement by the at least a first component carrier according to the first gap offset at different time from the mobile device performs measurement by the at least a second component carrier according to the second gap offset.

2. The method of claim 1 , wherein the first and second gap offsets are included in the measurement gap configuration, and each of the plurality of gap offsets includes a component carrier identity corresponding to a component carrier of the plurality of component carriers.

3. The method of claim 1 , wherein the measurement gap configuration includes a measurement gap length for at least a frequency measurement.

4. The method of claim 1 , wherein the measurement gap configuration is autonomously configured by the network or is requested by the mobile device.

5. The method of claim 4 , wherein the measurement gap configuration is autonomously configured by the network according to information related to a component carrier capability, a component carrier channel quality and a component carrier usage of the mobile device, or is requested by the mobile device according to the component carrier usage or capability.

6. A method of handling measurement gap configuration for a mobile device capable of receiving on a plurality of component carriers in a wireless communication system, the method comprising:

receiving one measurement gap configuration with a first gap offset for at least a first component carrier of the plurality of component carriers and with a second gap offset for at least a second component carrier of the plurality of component carriers, from a network of the wireless communication system, wherein each of the first and second gap offsets indicates a value for shifting a measurement gap in one of the at least a first and second component carriers of the plurality of component carriers; and

performing a measurement by the at least a first component carrier according to the first gap offset at different time from performing a measurement by the at least a second component carrier according to the second gap offset.

7. A method of handling measurement gap configuration for a mobile device capable of receiving on a plurality of component carriers in a wireless communication system, the method comprising:

receiving a first measurement gap configuration for a first component carrier of the plurality of component carriers, from a network of the wireless communication system, wherein the first measurement gap configuration includes a first gap offset corresponding to the first component carrier and the first gap offset indicates a first value for shifting a first measurement gap in the first component carrier;

receiving a second measurement gap configuration for a second component carrier of the plurality of component carriers, from the network, wherein the second measurement gap configuration includes a second gap offset corresponding to the second component carrier and the second gap offset indicates a second value for shifting a second measurement gap in the second component carrier; and

performing a first measurement on the first component carrier according to the first measurement gap configuration, and performing a second measurement on the second component carrier according to the second measurement gap configuration.

8. A network of a wireless communication system for handling measurement gap configuration, the wireless communication system comprising a mobile device capable of receiving on a plurality of component carriers, the network comprising:

a storage unit for storing instructions of:

receiving data from the mobile device through any of the plurality of component carriers; and

configuring one measurement gap configuration to the mobile device with a first gap offset for at least a first component carrier of the plurality of component carriers and with a second gap offset for at least a second component carrier of the plurality of component carriers, wherein each of the first and second gap offsets indicates a value for shifting a measurement gap in one of the at least a first and second component carriers of the plurality of component carriers, whereby the mobile device configured with the one measurement gap configuration performs measurement by the at least a first component carrier according to the first gap offset at different time from the mobile device performs measurement by the at least a second component carrier according to the second gap offset; and

a processing means, coupled to the storage unit, configured to execute the instructions stored in the storage unit.

9. The network of claim 8 , wherein the first and second gap offsets are included in the measurement gap configuration, and each of the plurality of gap offsets includes a component carrier identity corresponding to a component carrier of the plurality of component carriers.

10. The network of claim 8 , wherein the measurement gap configuration includes a measurement gap length for at least a frequency measurement.

11. The network of claim 8 , wherein the measurement gap configuration is autonomously configured by the network or is requested by the mobile device.

12. The network of claim 11 , wherein the measurement gap configuration is autonomously configured by the network according to information related to a component carrier capability, a component carrier channel quality and a component carrier usage of the mobile device, or is requested by the mobile device according to the component carrier usage or capability.

13. A mobile device of a wireless communication system for handling measurement gap configuration, the mobile device capable of receiving on a plurality of component carriers, the mobile device comprising:

a storage unit for storing instructions of:

receiving one measurement gap configuration with a first gap offset for at least a first component carrier of the plurality of component carriers and with a second gap offset for at least a second component carrier of the plurality of component carriers, from a network of the wireless communication system, wherein each of the first and second gap offsets indicates a value for shifting a measurement gap in one of the at least a first and second component carriers of the plurality of component carriers; and

performing a measurement by the at least a first component carrier according to the first gap offset at different time from the mobile device performs measurement by the at least a second component carrier according to the second gap offset; and

a processing means, coupled to the storage unit, configured to execute the instructions stored in the storage unit.

14. A mobile device of a wireless communication system for handling measurement gap configuration, the mobile device capable of receiving on a plurality of component carriers, the mobile device comprising:

a storage unit for storing instructions of:

receiving a first measurement gap configuration for a first component carrier of the plurality of component carriers, from a network of the wireless communication system, wherein the first measurement gap configuration includes a first gap offset corresponding to the first component carrier and the first gap offset indicates a first value for shifting a first measurement gap in the first component carrier;

receiving a second measurement gap configuration for a second component carrier of the plurality of component carriers, from the network, wherein the second measurement gap configuration includes a second gap offset corresponding to the second component carrier and the second gap offset indicates a second value for shifting a second measurement gap in the second component carrier; and

performing a first measurement on the first component carrier according to the first measurement gap configuration, and performing a second measurement on the second component carrier according to the second measurement gap configuration; and

a processing means, coupled to the storage unit, configured to execute the instructions stored in the storage unit.