Method, system and device for using terminal identifier

• US 9,742,532 B2
• Filed: 08/12/2010
• Issued: 08/22/2017
• Est. Priority Date: 08/14/2009
• 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: Zhao, Yi, Liang, Jing, Li, Haitao
• Primary Examiner(s): DAYA, TEJIS A
• Application Number:
  US13/389,802
• Publication Number:
  US 20120140638A1
• Time in Patent Office: 2,567 Days
• Field of Search: None
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04W 8/26 Network addressing or numbering for mobility support

Abstract

The embodiments of the present invention disclose a method, a system and a device for using a user equipment identity, and the method includes: the network side configures, for a user equipment performing carrier aggregation, the uniform Radio Network Temporary Identity (RNTI)(s) in the cell where the carrier aggregation is performed; the network side and the user equipment perform data reception and transmission using the uniform RNTI(s) configured in the cell where the carrier aggregation is performed. By the invention, a user equipment with carrier aggregation technology is able to perform the data reception and transmission with each cell using the RNTI(s).

Claims

1. A method for using a user equipment identity, comprising:

configuring, for a user equipment performing carrier aggregation, uniform radio network temporary identity RNTI(s) in cells where the carrier aggregation is performed;

the network side and the user equipment performing data reception and transmission using the uniform RNTI(s) configured in the cells where the carrier aggregation is performed,

wherein the network side configuring, for the user equipment performing carrier aggregation, the uniform RNTI(s) comprises;

the network side configuring a same C-RNTI for the UE in the different cells where the carrier aggregation is performed, the same C-RNTI is different from RNTI(s) which the network side configured for another UE and/or other RNTI(s) which the network side configured for the UE;

or

the network side not configuring a new C-RNTI(s) for UE when the network side configures the carrier aggregation or when the network side configures and activates the carrier aggregation.

2. The method of claim 1, wherein said configuring uniform RNTI(s) is performed by:

said cells where the carrier aggregation is performed sharing RNTI resource.

3. The method of claim 1, wherein, configuring, for a user equipment performing carrier aggregation, uniform RNTI(s), comprising:

said network side configuring, for said user equipment, uniform C-RNTI(s), and/or SPS C-RNTI(s), and/or TPC-PUSCH-RNTI(s), and/or TPC-PUCCH-RNTI(s) in the cells where the carrier aggregation is performed.

4. The method of claim 3, wherein, said network side configuring uniform SPS C-RNTI for said user equipment in the cells where the carrier aggregation is performed, comprising:

said network side configuring a same SPS C-RNTI for the user equipment in the different cells where the carrier aggregation is performed, the SPS C-RNTI being different from RNTI(s) which network side configured for another UE and/or other RNTI(s) which the network side configured for the UE.

5. The method of claim 3, wherein, said network side configuring, for said user equipment, uniform TPC-PUSCH-RNTI(s) in the cells where the carrier aggregation is performed, comprises:

configuring, for the user equipment, a same or different TPC-PUSCH-RNTI(s) in the different cells where the carrier aggregation is performed, the TPC-PUSCH-RNTI(s) being different from RNTI(s) which said network side configured for another UE and/or other RNTI(s) which the network side configured for the UE,

said network side configuring, for said user equipment, uniform TPC-PUCCH-RNTI(s) in the cells where the carrier aggregation is performed, comprising;

said network side configuring, for the user equipment, a same or different TPC-PUCCH-RNTI(s) in the different cells where the carrier aggregation is performed, the TPC-PUCCH-RNTI(s) being different from RNTI(s) which network side configured for another UE and/or other RNTI(s) which the network side configured for the UE.

6. The method of claim 1, wherein, said network side and said user equipment performing data reception and transmission using said uniform RNTI configured in the cells where the carrier aggregation is performed, comprising:

said network side performing data reception and transmission with said user equipment using the same C-RNTI and/or SPS C-RNTI in the different cells where the carrier aggregation is performed.

7. The method of claim 1, wherein, said network side and said user equipment performing data reception and transmission using said uniform RNTI(s) configured in the cells where the carrier aggregation is performed, comprising:

said network side sending a power control message to said user equipment using TPC-PUSCH-RNTI(s) and TPC-PUCCH-RNTI(s) configured in the cells where the carrier aggregation is performed.

8. The method of claim 1, wherein:

said network side doesn'"'"'t configure new C-RNTI(s) and/or SPS C-RNTI(s) for said user equipment when configures the carrier aggregation; and

/or, network side doesn'"'"'t configure new C-RNTI(s) and/or SPS C-RNTI(s) for said user equipment when configures and activates the carrier aggregation;

said network side and the user equipment performing data reception and transmission using the uniform RNTI(s) configured in the cells where the carrier aggregation is performed, said user equipment and said network side performing data reception and/or transmission using the C-RNTI and/or SPS C-RNTI which have been configured in all the cells where the carrier aggregation is performed.

9. The method of claim 1, wherein, said network side and the user equipment performing data reception and transmission using the uniform RNTI configured in the cells where the carrier aggregation is performed, comprises:

said user equipment monitoring PDCCH of the carrier which has the PDCCH in the cells where the carrier aggregation is performed; and

using the same C-RNTI and/or same SPS C-RNTI to receive a scheduling message.

10. The method of claim 1, wherein, said network side and said user equipment performing data reception and transmission using the uniform RNTI(s) configured in the cells where the carrier aggregation is performed, comprising:

said user equipment monitoring PDCCH of the carrier which has the PDCCH in the cells where the carrier aggregation is performed;

using TPC-PUSCH-RNTI(s) and/or TPC-PUCCH-RNTI(s) configured to receive a transmission power control message.

11. The method of claim 1, wherein, when said user equipment switches from a network side source node to a network side target node, the network side configuring, for a user equipment performing carrier aggregation, a uniform RNTI(s) in the cells where the carrier aggregation is performed, comprising:

said network side target node sending a handover request response message to said network side source node, the handover request response message comprising said RNTI(s) which the network side target node configured for said user equipment, and a frequency information or frequency index of other cells where the carrier aggregation is performed;

said network side source node sending the handover request response message to said user equipment, the handover request response message comprising said RNTI(s) which the network side target node configured, for said user equipment, and a frequency information or frequency index of other cells where the carrier aggregation is performed.

12. The method of claim 11, wherein, said network side target node configuring, for said user equipment, said RNTI(s), comprising:

said network side target node configuring, for said user equipment, a sole C-RNTI and/or SPS C-RNTI.

13. A system for using a user equipment identity, comprising:

a network side, configuring, for a user equipment performing carrier aggregation, uniform RNTI(s) in the cells where the carrier aggregation is performed;

performing data reception and transmission with said user equipment using the uniform RNTI(s);

the user equipment, receiving the uniform RNTI(s) which said network side configures for said user equipment and performing data reception and transmission with said network side using the uniform RNTI(s),

wherein the network side configuring, for the user equipment performing carrier aggregation, the uniform RNTI(s) comprises;

the network side configuring a same C-RNTI for the UE in the different cells where the carrier aggregation is performed, the same C-RNTI is different from RNTI(s) which the network side configured for another UE and/or other RNTI(s) which the network side configured for the UE;

or

the network side not configuring a new C-RNTI(s) for UE when the network side configures the carrier aggregation or when the network side configures and activates the carrier aggregation.

14. A network side device, comprising:

a configuration processor, for configuring, for a user equipment performing carrier aggregation, uniform RNTI(s);

a transceiver, for performing data reception and transmission with said user equipment using said uniform RNTI(s) configuration in the cells where the carrier aggregation is performed,

wherein the network side configuring, for the user equipment performing carrier aggregation, the uniform RNTI(s) comprises;

the network side configuring a same C-RNTI for the UE in the different cells where the carrier aggregation is performed, the same C-RNTI is different from RNTI(s) which the network side configured for another UE and/or other RNTI(s) which the network side configured for the UE;

or

the network side not configuring a new C-RNTI(s) for UE when the network side configures the carrier aggregation or when the network side configures and activates the carrier aggregation.

15. The network side device of claim 14, wherein, the configuration processor configuring uniform RNTI(s), comprising:

said cells where the carrier aggregation is performed sharing RNTI resource.

16. The network side device of claim 14, wherein, the configuration processor configured to:

Configure, for said user equipment, uniform C-RNTI, and/or SPS C-RNTI, and/or TPC-PUSCH-RNTI(s), and/or TPC-PUCCH-RNTI(s) in the cells where the carrier aggregation being performed.

17. The network side device of claim 16, wherein

the configuration processor is configured to configure, for user equipment, the same SPS C-RNTI in the different cells where the carrier aggregation is performed, the SPS C-RNTI is different from RNTI(s) which the network side configured for another UE and/or other RNTI(s) which the network side configured for the UE.

18. The network side device of claim 16, wherein,

the configuration processor is configured to configure, for user equipment, the same or different TPC-PUSCH-RNTI(s) in the different cells where the carrier aggregation is performed, said TPC-PUSCH-RNTI(s) is different from RNTI(s) which the network side configured for another UE and/or other RNTI(s) which the network side configured for the UE;

the configuration processor is configured to configure, for the user equipment, same or different TPC-PUCCH-RNTI(s) in the different cells where the carrier aggregation is performed, said TPC-PUCCH-RNTI(s) is different from RNTI(s) which network side configured for another UE and/or other RNTI(s) which the network side configured for the UE.

19. The network side device of claim 14, said transceiver is configured to:

Perform data reception and transmission with said user equipment using same C-RNTI and/or SPS C-RNTI in the different cells where the carrier aggregation is performed.

20. The network side device of claim 14, wherein, said transceiver is configured to:

Send a power control message to said user equipment using TPC-PUSCH-RNTI(s) and TPC-PUCCH-RNTI(s) which has been configured in the cells where the carrier aggregation is performed.

21. The network side device of claim 14, wherein,

the configuration processor configures, C-RNTI(s) and/or SPS C-RNTI(s) for said user equipment;

and/or, when configuring and activating the carrier aggregation, said configuring module doesn'"'"'t configure new C-RNTI(s) and/or SPS C-RNTI(s) for said user equipment; and

said transceiver is configured to perform data reception and/or transmission with said user equipment using the C-RNTI and/or SPS C-RNTI configured in all the cell said network configuring, for said user equipment, uniform TPC-PUCCH-RNTI(s) in the cell where the carrier aggregation is performed, comprising;

said network side configuring;

for user equipment, the same or different TPC-PUCCH-RNTI(s) in the different cells where the carrier aggregation is performed, the TPC-PUCCH-RNTI(s) being different from RNTI(s) which network side configured for another UE and/or other RNTI(s) which the network side configured for the UE.

22. The network side device of claim 14, wherein:

said user equipment switches;

from a network side source node to a network side target node, if said network side device is the network side target node, said network side device is also used for;

sending the handover request response message to the network side source node, the handover request response message comprising said RNTI(s) which the network side configured for said user equipment, and a frequency information or frequency index of other cells where the carrier aggregation is performed;

if said network side device is the network side source node, said network side device is also used for;

sending the handover request response message to said user equipment, the handover request response message comprising said RNTI(s) which the network side target node configured for said user equipment, and a frequency information or frequency index of other cells where the carrier aggregation is performed.

23. The network side device of claim 22, wherein, the configuration processor is configured to:

configure, for said user equipment, a sole C-RNTI and/or SPS C-RNTI.