Method and device for uplink resource allocation

• US 8,867,474 B2
• Filed: 02/19/2013
• Issued: 10/21/2014
• Est. Priority Date: 09/14/2010
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Yang, Suckchel, Kim, Mingyu, Ahn, Joonkui, Seo, Dongyoun
• Primary Examiner(s): Zhou, Yong
• Application Number:
  US13/770,742
• Publication Number:
  US 20130229993A1
• Time in Patent Office: 609 Days
• US Class Current: 370/329
• CPC Class Codes: H04L 27/2636 with FFT or DFT modulators, e.g. standard single-carrier frequency-division multiple access [SC-FDMA] transmitter or DFT spread orthogonal frequency division multiplexing [DFT-SOFDM]
• 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 5/0044 allocation of payload
• CPC Class Codes: H04L 5/0094 Indication of how sub-channels of the path are allocated
• 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
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

The present invention relates to a wireless communication system. In more detail, the present invention relates to a method for transmitting an uplink in a wireless communication system and to a device therefore, wherein the method for transmitting an uplink in a wireless communication system comprises the steps of: receiving a control channel signal including resource allocation information; and transmitting an uplink signal according to control channel signal.

Claims

1. A method for receiving an uplink signal by a communication device in a wireless communication system, the method comprising:

transmitting, by the communication device, a control channel signal including a resource allocation (RA) field; and

receiving, by the communication device, an uplink signal according to the control channel signal,

wherein a size of the resource allocation (RA) field in the control channel signal is represented by the following equation;

2. The method according to claim 1, wherein the value of P is given by the following table:

3. The method according to claim 1, wherein the resource allocation (RA) field includes information indicating a combinatorial index (r) used to indicate two resource block (RB) sets, and

wherein each RB set includes one or more contiguous RBGs, and the combinatorial index (r) is given by the following equation:

4. The method according to claim 3, wherein:

the start RBG index and the end RBG index of the first RB set are denoted by s0 and s1−

1, respectively, and

the start RB index and the end RBG index of the second RB set are denoted by s2 and s3−

1, respectively.

5. The method according to claim 3, wherein {s_i}_i=0^M′

-1 satisfies 1≦

s_i≦

N and s_i<

s_i+1.

6. The method according to claim 3, wherein

7. The method according to claim 3, wherein the control channel signal is a Physical Downlink Control Channel (PDCCH) signal, and the uplink signal is a Physical Uplink Shared Channel (PUSCH) signal.

8. A communication device for use in a wireless communication system, the communication device comprising:

a radio frequency (RF) unit; and

a processor,

wherein the processor is configured to;

transmit a control channel signal including a resource allocation (RA) field, and

receive an uplink signal according to the control channel signal, and

wherein a size of the resource allocation (RA) field in the control channel signal is represented by the following equation;

9. The communication device according to claim 8, wherein the value of P is given by the following table:

10. The communication device according to claim 8, wherein the resource allocation (RA) field includes information indicating a combinatorial index (r) used to indicate two resource block (RB) sets, and

wherein each RB set includes one or more contiguous RBGs, and the combinatorial index (r) is given by the following equation:

11. The communication device according to claim 10, wherein:

the start RBG index and the end RBG index of the first RB set are denoted by s0 and s1−

1, respectively, and

the start RB index and the end RBG index of the second RB set are denoted by s2 and s3−

1, respectively.

12. The communication device according to claim 10, wherein {s_i}_i=0^M′

-1 satisfies 1≦

s_i≦

N and s_i<

s_i+1.

13. The communication device according to claim 10, wherein

14. The communication device according to claim 8, wherein the control channel signal is a Physical Downlink Control Channel (PDCCH) signal, and the uplink signal is a Physical Uplink Shared Channel (PUSCH) signal.