Method for receiving ACK/NACK signal in mobile communication system

• US 8,767,650 B2
• Filed: 11/14/2011
• Issued: 07/01/2014
• Est. Priority Date: 03/19/2007
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Lee, Dae Won, Kim, Bong Hoe, Yun, Young Woo, Kim, Ki Jun, Roh, Dong Wook, Yoon, Suk Hyon, Ahn, Joon Kui, Seo, Dong Youn, Kim, Hak Seong, Lee, Jung Hoon, Kim, Eun Sun, Choi, Sung Duk
• Primary Examiner(s): Wu, Jianye
• Application Number:
  US13/295,987
• Publication Number:
  US 20120082113A1
• Time in Patent Office: 960 Days
• US Class Current: 370/329
• CPC Class Codes: H04B 7/0413 MIMO systems
• CPC Class Codes: H04L 1/06 using space diversity
• CPC Class Codes: H04L 1/1671 the supervisory signal being transmitted together with control information
• CPC Class Codes: H04L 1/1861 Physical mapping arrangements for ACK signaling see also H04L5/0053
• CPC Class Codes: H04L 47/10 Flow control; Congestion control
• CPC Class Codes: H04L 5/0023 Time-frequency-space
• CPC Class Codes: H04L 5/0037 Inter-user or inter-terminal allocation
• 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 28/04 Error control
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/20 Control channels or signalling for resource management
• CPC Class Codes: H04W 72/21 in the uplink direction of a wireless link, i.e. towards the network
• CPC Class Codes: H04W 72/23 in the downlink direction of a wireless link, i.e. towards a terminal

Abstract

A method for transmitting information of resources for use in transmission of ACK/NACK signals in a mobile communication system is disclosed. An example method for receiving ACK/NACK signals ina mobile communication system is also disclosed. When resources for transmission of data and resources for transmission of control information of the data are scheduled through virtual unit resources, the method identifies information of resources for receiving an ACK/NACK signal for transmission data mapped to information of at least one of a virtual unit resource allocated to the transmission data and a virtual unit resource allocated to control information of the transmission data, and receives the ACK/NACK signal for the transmission data through the information of resources for receiving the ACK/NACK signal.

Claims

1. A method of transmitting ACK/NACK information for downlink data at a mobile communication apparatus, the method comprising:

receiving control information for notifying resource position for the downlink data via one or more control channel elements (CCEs);

receiving the downlink data; and

transmitting the ACK/NACK information for the downlink data,

wherein a resource index for the ACK/NACK information is determined using the following expression;

α

′

+β

*I_CCE, where α

′

is a value including 0, β

is a value other that 0, and I_CCE is an index of a CCE of the one or more CCEs.

2. The method of claim 1, wherein the index of the CCE is an index of a 1^st CCE of the one or more CCEs.

3. A method of receiving ACK/NACK information for downlink data at a network node, the method comprising:

transmitting control information for notifying resource position for the downlink data via one or more control channel elements (CCEs);

transmitting the downlink data; and

receiving the ACK/NACK information for the downlink data,

wherein a resource index for the ACK/NACK information is determined using the following expression;

α

′

+β

*I_CCE, where α

′

is a value including 0, β

is a value other that 0, and I_CCE is an index of a CCE of the one or more CCEs.

4. The method of claim 3, wherein the index of the CCE is an index of a 1^st CCE of the one or more CCEs.

5. A mobile communication apparatus which is used in transmitting ACK/NACK information for downlink data, the mobile communication apparatus comprising:

a memory unit; and

a processor,

wherein the processor is configured to;

receive control information for notifying resource position for the downlink data via one or more control channel elements (CCEs);

receive the downlink data; and

transmit the ACK/NACK information for the downlink data,

wherein a resource index for the ACK/NACK information is determined using the following expression;

α

′

+β

*I_CCE, where α

′

is a value including 0, β

is a value other that 0, and I_CCE is an index of a CCE of the one or more CCEs.

6. The mobile communication apparatus of claim 5, wherein the index of the CCE is an index of a 1^st CCE of the one or more CCEs.

7. A network node which is used in receiving ACK/NACK information for downlink data, the network node comprising:

a memory unit; and

a processor,

wherein the processor is configured to;

transmit control information for notifying resource position for the downlink data via one or more control channel elements (CCEs);

transmit the downlink data; and

receive the ACK/NACK information for the downlink data,

wherein a resource index for the ACK/NACK information is determined using the following expression;

α

′

+β

*I_CCE, where α

′

is a value including 0, β

is a value other that 0, and I_CCE is an index of a CCE of the one or more CCEs.

8. The network node of claim 7, wherein the index of the CCE is an index of a 1^st CCE of the one or more CCEs.