METHOD AND APPARATUS FOR RELAYING DATA IN WIRELESS COMMUNICATION SYSTEM BASED ON TDD

• US 20150156765A1
• Filed: 02/05/2015
• Published: 06/04/2015
• Est. Priority Date: 11/11/2008
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: KIM, Byoung Hoon, KWON, Yeong Hyeon, SEO, Han Byul, CHUNG, Jae Hoon, YUN, Young Woo, LEE, Dae Won
• Granted Patent: US 9,414,369 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: H04B 7/155 Ground-based stations H04B7/204 takes precedence
• CPC Class Codes: H04J 3/00 Time-division multiplex systems H04J14/00 takes precedence; relay systems H04B7/14; selecting techniques H04Q
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• 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 and a wireless station are described for receiving signals. The wireless station receives from a base station configured to use at least one of a plurality of time division duplex (TDD) uplink-downlink (UL-DL) subframe configurations, each of which indicates locations of at least one DL subframe and at least one UL subframe in a radio frame, a signal including information indicating that at least one uplink subframe indicated by the at least one of the plurality of TDD UL-DL subframe configurations is reconfigured as a DL subframe. The wireless station receives, from the base station, DL data on the UL subframe according to the signal.

Claims

1. A method of receiving signals, the method comprising:

receiving, by a wireless station from a base station configured to use at least one of a plurality of time division duplex (TDD) uplink-downlink (UL-DL) subframe configurations, each of which indicates locations of at least one DL subframe and at least one UL subframe in a radio frame, a signal including information indicating that at least one UL subframe indicated by the at least one of the plurality of TDD UL-DL subframe configurations is reconfigured as a DL subframe; and

receiving, by the wireless station from the base station, DL data on the UL subframe according to the signal.

2. The method of claim 1, wherein the signal corresponds to at least one of a physical layer signal and a radio resource control (RRC) signal.

3. The method of claim 1, wherein the radio frame comprises 10 subframes.

4. The method of claim 1, wherein the at least one of the plurality of TDD UL-DL subframe configurations corresponds to at least any one of configurations in Table 1 below, wherein ‘

D’

denotes a DL subframe, ‘

U’

denotes a UL subframe, and ‘

S’

denotes a special subframe;

5. A method of transmitting signals, the method comprising:

transmitting, by a base station configured to use at least one of a plurality of time division duplex (TDD) uplink-downlink (UL-DL) subframe configurations, each of which indicates locations of at least one DL subframe and at least one UL subframe in a radio frame, a signal including information indicating that at least one UL subframe indicated by the at least one of the plurality of TDD UL-DL subframe configurations is reconfigured as a DL subframe; and

transmitting, by the base station, DL data on the UL subframe to a wireless station according to the signal.

6. The method of claim 5, wherein the signal corresponds to at least one of a physical layer signal and a radio resource control (RRC) signal.

7. The method of claim 5, wherein the radio frame comprises 10 subframes.

8. The method of claim 5, wherein the at least one of the plurality of TDD UL-DL subframe configurations corresponds to at least any one of configurations in Table 1 below, wherein ‘

D’

denotes a DL subframe, ‘

U’

denotes a UL subframe, and ‘

S’

denotes a special subframe;

9. A wireless station for receiving signals, the wireless station comprising:

a transceiver; and

a processor configured to control the transceiver to;

receive, from a base station configured to use at least one of a plurality of time division duplex (TDD) uplink-downlink (UL-DL) subframe configurations, each of which indicates locations of at least one DL subframe and at least one UL subframe in a radio frame, a signal including information indicating that at least one UL subframe indicated by the one of the plurality of TDD UL-DL subframe configurations is reconfigured as a DL subframe; and

receive, from the base station, DL data on the UL subframe according to the signal.

10. The wireless station of claim 9, wherein the signal corresponds to at least one of a physical layer signal and a radio resource control (RRC) signal.

11. The wireless station of claim 9, wherein the radio frame comprises 10 subframes.

12. The wireless station of claim 9, wherein the at least one of the plurality of TDD UL-DL subframe configurations corresponds to at least any one of configurations in Table 1 below, wherein ‘

D’

denotes a DL subframe, ‘

U’

denotes a UL subframe, and ‘

S’

denotes a special subframe;