METHOD AND APPARATUS FOR INFORMATION TRANSMISSION IN WIRELESS COMMUNICATION SYSTEM

• US 20110280203A1
• Filed: 11/16/2009
• Published: 11/17/2011
• Est. Priority Date: 11/14/2008
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Ko, Hyun Soo, Han, Seung Hee, Lee, Moon Il, Moon, Sung Ho, Kwon, Yeong Hyeon, Chung, Jae Hoon
• Granted Patent: US 8,743,783 B2
• Time in Patent Office: Days
• US Class Current: 370/329
• CPC Class Codes: H04J 13/16 Code allocation
• CPC Class Codes: H04J 2013/165 Joint allocation of code together with frequency or time
• CPC Class Codes: H04L 1/0031 Multiple signaling transmission H04L1/1664, F15 take precedence
• CPC Class Codes: H04L 1/0073 Special arrangements for feedback channel
• CPC Class Codes: H04L 1/1607 Details of the supervisory signal
• 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 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0026 Division using four or more dimensions
• CPC Class Codes: H04L 5/003 Arrangements for allocating sub-channels of the transmission path
• CPC Class Codes: H04L 5/0055 Physical resource allocation for ACK/NACK for physical mapping arrangements in ARQ protocols H04L1/1861
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA
• 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

Provided are a method and an apparatus for information transmission that is performed by a transmitter in a wireless communication system. The method comprises the steps of: acquiring a first resource index and a second resource index; generating information sequences based on the first resource index and the second resource index; and transmitting the information sequences via a first antenna and a second antenna, wherein the second resource index is acquired from the first resource index and the offset.

Claims

1. A method for information transmission performed by a transmitter in a wireless communication system, the method comprising:

acquiring a first resource index and a second resource index;

generating information sequences based on the first resource index and the second resource index; and

transmitting the information sequences through a first antenna and a second antenna,

wherein the second resource index is acquired from the first resource index and an offset.

2. The method of claim 1, wherein the offset is predetermined.

3. The method of claim 1, wherein the offset is determined through signaling.

4. The method of claim 1, further comprising receiving data, wherein the information sequences are generated from acknowledgement(ACK)/non-acknowledgement (NACK) for the data.

5. The method of claim 1, wherein the first resource index is acquired from a radio resource by which a control channel for receiving the data is transmitted.

6. The method of claim 5,

wherein the control channel is a physical downlink control channel (PDCCH), and

wherein the radio resource is a control channel element (CCE) aggregation on which the PDCCH is transmitted, and

wherein the first resource index is acquired from a first CCE index of the CCE aggregation.

7. The method of claim 6, wherein the offset is 1.

8. The method of claim 1,

wherein the information sequences are a first information sequence and a second information sequence,

wherein the first information sequence is generated based on first information and the first resource index and is transmitted through the first antenna, and

wherein the second information sequence is generated based on second information and the second resource index and is transmitted through the second antenna.

9. The method of claim 8, wherein the first information and the second information are identical or different.

10. The method of claim 1, wherein the generating of the information sequences comprises:

generating a first transmission symbol to a fourth transmission symbol based on an Alamouti code from a first information symbol and a second information symbol corresponding to information;

generating a first information sequence based on the first transmission symbol and the first resource index;

generating a second information sequence based on the second information symbol and the second resource index;

generating a third information sequence based on the third transmission symbol and the first resource index; and

generating a fourth information sequence based on the fourth transmission symbol and the second resource index,

wherein the first information sequence and the second information sequence are transmitted through the first antenna, and

wherein the third information sequence and the fourth information sequence are transmitted through the second antenna.

11. The method of claim 1,

wherein a first sequence, a second sequence, and a resource block are determined from a resource index,

wherein a 2-dimensional spread information sequence is generated based on information, the first sequence, and the second sequence, and

wherein the 2-dimensional spread information sequence is mapped to the resource block.

12. The method of claim 11, wherein the first sequence is a cyclically shifted sequence, and the second sequence is an orthogonal sequence.

13. A transmitter comprising:

an information processor configured for acquiring a first resource index and a second resource index, and configured for generating information sequences based on the first resource index and the second resource index; and

first and second antennas for transmitting the information sequences,

wherein the second resource index is acquired from the first resource index and an offset.

14. A method for information transmission performed by a user equipment in a wireless communication system, the method comprising:

receiving first downlink data through a first downlink carrier and receiving second downlink data through a second downlink carrier;

acquiring a first resource index from a radio resource by which a control channel for receiving the first downlink data is transmitted, and acquiring a second resource index from the first resource index and an offset;

generating information sequences based on ACK/NACK information for the first downlink data, ACK/NACK information for the second downlink data, and the first and second resource indices; and

transmitting the information sequences through an uplink carrier.