METHOD OF PERFORMING WIRELESS COMMUNICATION IN MULTI-CARRIER SYSTEM

• US 20100265905A1
• Filed: 04/20/2010
• Published: 10/21/2010
• Est. Priority Date: 04/21/2009
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Park, Sung Jun, LEE, Young Dae, Yi, Seung June, Chun, Sung Duck
• Granted Patent: US 8,811,303 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/001 the frequencies being arranged in component carriers
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management

Abstract

A method of a User Equipment (UE) performing wireless communication using multiple carriers comprises accessing a first carrier used for first link transmission, configuring a second carrier used for second link transmission, and performing the wireless communication using the second carrier. The second carrier is determined based on the first carrier.

Claims

1. A method of performing wireless communication using multiple carriers between a User Equipment (UE) and a base station;

the method comprising

accessing a first carrier used for first link transmission, the first carrier being from among a plurality of first carriers;

configuring a second carrier from among a plurality of second carriers for second link transmission; and

performing wireless communication using the configured second carrier,

wherein the second carrier is configured based on a mapping relationship with the first carrier, the mapping relationship mapping each of the second carriers to at least one first carrier of the plurality of first carriers; and

wherein the first link transmission is one of an uplink transmission and a downlink transmission and the second link transmission is the other of an uplink transmission and a downlink transmission.

2. The method of claim 1, wherein each of the second carriers is paired with a respective first carrier according to a one to one mapping relationship.

3. The method of claim 1, wherein the second carrier is configured based on the index of the first carrier.

4. The method of claim 1, further comprising:

receiving mapping information indicating the mapping relation before configuring the second carrier.

5. The method of claim 4, wherein the mapping information is received through a Broadcast Control Channel (BCCH), or a dedicated control channel (DCCH).

6. A user equipment (UE) for performing wireless communication with a base station wherein the UE can perform wireless communication with the base station on a plurality of second carriers, the UE comprising:

a transceiver for accessing a first carrier used for first link transmission; and

a processor for configuring a second carrier, from among the plurality of second carriers, for second link transmission;

the transceiver being adapted to perform wireless communication with the base station using the second carrier;

wherein the processor is adapted to configure the second link carrier based on a mapping relationship with the first link carrier, the mapping relationship mapping each of the second link carriers to at least one first link carrier of a plurality of first link carriers; and

wherein the first link transmission is one of an uplink transmission and a downlink transmission, and the second link transmission is the other of an uplink transmission and a downlink transmission.

7. The user equipment of claim 6, wherein each of the second link carriers of the plurality of second link carriers is paired with a respective first link carrier of the plurality of first link carriers, according to a one to one relationship.

8. The user equipment of claim 6, wherein the second link carrier is configured based on the index of the first link carrier.

9. The user equipment of claim 6, wherein the transceiver is adapted to receive mapping information indicating the mapping relation.

10. The user equipment of claim 9, wherein the transceiver is adapted to receive the mapping information through a Broadcast Control Channel (BCCH) or a dedicated control channel (DCCH).

11. A base station for performing wireless communication with a user equipment (UE) wherein the base station can perform wireless communication with the UE on a plurality of second carriers, the base station comprising:

a transceiver for accessing a first carrier used for first link transmission; and

a processor for configuring a second link carrier for second link transmission;

the transceiver being adapted to perform wireless communication with the UE using the second carrier;

wherein the processor is adapted to configure the second carrier based on a mapping relationship with the first carrier, the mapping relationship mapping each of the second carriers to at least one first carrier, and

wherein the first link transmission is one of an uplink transmission and a downlink transmission, and the second link transmission is the other of an uplink transmission and a downlink transmission.

12. The base station of claim 11, wherein each of the second carriers of the plurality of second carriers is paired with a respective first carrier of the plurality of first carriers, according to a one to one relationship.

13. The base station of claim 11, wherein the processor configures the second link carrier based on the index of the first link carrier.

14. The base station of claim 11, wherein the transceiver is adapted to transmit mapping information indicating the mapping relation.

15. A method of a Base Station (BS) performing wireless communication with a user equipment using multiple carriers, the method comprising:

transmitting to a UE pairing information indicating a mapping relation between a first carrier and a second carrier;

transmitting to the UE configuration information concerning the first carrier to the UE; and

performing the wireless communication with the UE using the first carrier and the second carrier.