METHOD OF ALLOCATING RADIO RESOURCE IN WIRELESS COMMUNICATION SYSTEM

• US 20110117943A1
• Filed: 11/26/2008
• Published: 05/19/2011
• Est. Priority Date: 11/29/2007
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Ko, Hyun Soo, Ihm, Bin Chul, Chun, Jin Young
• Granted Patent: US 8,886,238 B2
• Time in Patent Office: Days
• US Class Current: 455/509
• CPC Class Codes: H04L 5/0007 the frequencies being orthogonal, e.g. OFDM(A), DMT
• CPC Class Codes: H04L 5/0039 Frequency-contiguous, i.e. with no allocation of frequencies for one user or terminal between the frequencies allocated to another
• CPC Class Codes: H04L 5/0091 Signaling for the administration of the divided path
• CPC Class Codes: H04W 72/04 Wireless resource allocation
• CPC Class Codes: H04W 72/0453 Resources in frequency domain, e.g. a carrier in FDMA

Abstract

A method of allocating radio resources in a wireless communication system includes dividing the overall frequency band into a plurality of frequency blocks including at least one subcarrier in a frequency domain, and allocating an allocation unit including some of the plurality of frequency blocks to a user equipment (ITE), wherein the allocation unit is any one of a localized allocation unit including frequency blocks contiguous in the frequency domain and a distributed allocation unit including frequency blocks distributed in the frequency domain. Allocation schemes of subcarriers are freely used suitably according to channel environments of users, the scheduling effect of radio resources can be enhanced.

Claims

1. A method of allocating radio resources in a wireless communication system, the method comprising:

dividing the overall frequency band into a plurality of frequency blocks comprising at least one subcarrier in a frequency domain; and

allocating an allocation unit including some of the plurality of frequency blocks to a user equipment (UE),

wherein the allocation unit is any one of a localized allocation unit comprising frequency blocks contiguous in the frequency domain and a distributed allocation unit comprising frequency blocks distributed in the frequency domain.

2. The method of claim 1, wherein the frequency blocks are mapped to physical subcarriers distributed in the frequency domain.

3. The method of claim 1, wherein the frequency blocks are mapped to physical subcarriers continuous in the frequency domain.

4. The method of claim 1, wherein the localized allocation unit is allocated to user data.

5. The method of claim 1, wherein the distributed allocation unit is allocated to a control signal.

6. The method of claim 1, further comprising:

informing the UE about an allocated allocation unit using an FCH or a DL-MAP or a broadcast message.

7. A method of allocating radio resources in a wireless communication system, the method comprising:

allocating localized frequency blocks mapped to a plurality of physical subcarriers continuous in a frequency domain in overall frequency band to a first user; and

allocating distributed frequency blocks mapped to a plurality of physical subcarriers distributed in the frequency domain in the overall frequency band to a second user.

8. The method of claim 7, further comprising:

informing about a ratio between the localized frequency blocks and the distributed frequency blocks.

9. The method of claim 7, further comprising:

informing about a number of the localized frequency blocks and the distributed frequency blocks.

10. The method of claim 7, wherein the logical block indexes of the localized frequency blocks are arranged in the same order as that of the physical block indexes.

11. The method of claim 7, wherein the logical block indexes of the distributed frequency blocks are arranged such that the physical block indexes are mixed in order.