METHOD AND APPARATUS FOR TRANSMITTING UPLINK CONTROL INFORMATION IN WIRELESS COMMUNICATION SYSTEM FOR SUPPORTING MULTI-CARRIERS

• US 20120243497A1
• Filed: 01/10/2011
• Published: 09/27/2012
• Est. Priority Date: 01/08/2010
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Chung, Jae Hoon, Han, Seung Hee
• Granted Patent: US 8,848,643 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04L 1/0026 Transmission of channel quality indication
• CPC Class Codes: H04L 1/0031 Multiple signaling transmission H04L1/1664, F15 take precedence
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04W 28/26 Resource reservation
• CPC Class Codes: H04W 72/00 Local resource management
• CPC Class Codes: H04W 72/02 Selection of wireless resources by user or terminal
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

The present invention relates to a method for transmitting the uplink control information in the wireless communication system supporting the multi-carriers according to one embodiment of the present invention, which comprises the steps of: reserving one or more channel selection resources for transmitting the uplink control information; receiving scheduling information for one or more uplink data channels to be transmitted on the same time domain resources as the reserved channel selection resources; determining an uplink data channel in which the uplink control information is multiplexed, from one or more uplink data channels; and multiplexing and transmitting the uplink control information in each of one or more resource element regions corresponding to each of one or more channel selection resources which are reserved to transmit the uplink control information, on the selected one uplink data channel.

Claims

1. A method for transmitting uplink control information in a wireless communication system supporting multiple carriers, comprising:

reserving one or more channel selection resources for transmission of the uplink control information;

receiving scheduling information for one or more uplink data channels, wherein the one or more uplink data channels are scheduled to be transmitted in the same time domain resources as the reserved channel selection resources;

determining one uplink data channel on which the uplink control information is multiplexed, among the one or more uplink data channels; and

multiplexing the uplink control information in one or more resource element regions corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information, on the determined one uplink data channel, and transmitting the multiplexed uplink control information.

2. The method of claim 1, wherein the one uplink data channel on which the uplink control information is multiplexed is determined by higher layer signaling or is determined based on an index of an uplink carrier on which the one or more uplink data channels are scheduled.

3. The method of claim 1, wherein the one or more reserved channel selection resources are determined by higher layer signaling or are determined based on a control channel element index of a Physical Downlink Control Channel (PDCCH).

4. The method of claim 1, further comprising puncturing one or more resource element regions corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information on the one uplink data channel on which the uplink control information is multiplexed.

5. The method of claim 4, wherein the uplink control information is mapped to the punctured resource element regions.

6. The method of claim 4, wherein a sequence indicating that the uplink control information is not transmitted is mapped to the punctured resource element regions.

7. The method of claim 1, wherein the uplink control information is Acknowledgement/Negative Acknowledgement (ACK/NACK) information for one or more downlink data channels.

8. A method for receiving uplink control information in a wireless communication system supporting multiple carriers, comprising:

transmitting scheduling information for one or more uplink data channels; and

receiving the uplink control information multiplexed on one uplink data channel among the one or more uplink data channels,

wherein the uplink control information is multiplexed in resource element regions on the one uplink data channel, corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information, and

the one or more uplink data channels are scheduled in the same time domain resources as the one or more channel selection resources reserved for transmission of the uplink control information.

9. The method of claim 8, wherein the one uplink data channel on which the uplink control information is multiplexed is determined by higher layer signaling or is determined based on an index of an uplink carrier on which the one or more uplink data channels are scheduled.

10. The method of claim 8, wherein the one or more reserved channel selection resources are determined by higher layer signaling or are determined based on a control channel element index of a Physical Downlink Control Channel (PDCCH).

11. The method of claim 8, wherein one or more resource element regions corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information are punctured on the one uplink data channel on which the uplink control information is multiplexed.

12. The method of claim 11, wherein the uplink control information is mapped to the punctured resource element regions.

13. The method of claim 11, wherein a sequence indicating that the uplink control information is not transmitted is mapped to the punctured resource element regions.

14. The method of claim 8, wherein the uplink control information is Acknowledgement/Negative Acknowledgement (ACK/NACK) information for one or more downlink data channels.

15. A user equipment for transmitting uplink control information in a wireless communication system supporting multiple carriers, comprising:

a reception module for receiving a downlink signal;

a transmission module for transmitting an uplink signal; and

a processor connected to the reception module and the transmission module, for controlling operation of the user equipment,

wherein the processor,

reserves one or more channel selection resources for transmission of the uplink control information,

receives, through the reception module, scheduling information for one or more uplink data channels, wherein the one or more uplink data channels are scheduled to be transmitted in the same time domain resources as the reserved channel selection resources,

determines one uplink data channel on which the uplink control information is multiplexed, among the one or more uplink data channels, and

multiplexes the uplink control information in one or more resource element regions corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information, on the determined one uplink data channel, and transmits the multiplexed uplink control information through the transmission module.

16. A base station for receiving uplink control information in a wireless communication system supporting multiple carriers, comprising:

a reception module for receiving an uplink signal;

a transmission module for transmitting a downlink signal; and

a processor connected to the reception module and the transmission module, for controlling operation of the base station,

wherein the processor,

transmits scheduling information for one or more uplink data channels through the transmission module, and

receives the uplink control information multiplexed on one uplink data channel among the one or more uplink data channels through the reception module,

wherein the uplink control information is multiplexed in resource element regions on the one uplink data channel, corresponding respectively to the one or more channel selection resources reserved for transmission of the uplink control information, and

wherein the one or more uplink data channels are scheduled in the same time domain resources as the channel selection resources reserved for transmission of the uplink control information.