Dynamic TDD operation method and apparatus for use in wireless communication system

• US 9,698,966 B2
• Filed: 05/13/2014
• Issued: 07/04/2017
• Est. Priority Date: 05/15/2013
• Status: Active Grant

• Current Assignee: Samsung Electronics Co. Ltd.
• Original Assignee: Samsung Electronics Co. Ltd.
• Inventors: Kim, Youngbum, Choi, Seunghoon, Ji, Hyoungju
• Primary Examiner(s): Kassim, Khaled
• Assistant Examiner(s): Belete, Berhanu
• Application Number:
  US14/276,456
• Publication Number:
  US 20140341091A1
• Time in Patent Office: 1,148 Days
• Field of Search: 370280
• CPC Class Codes: H04L 5/0053 Allocation of signaling, i.e. of overhead other than pilot signals
• 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 5/0057 Physical resource allocation for CQI
• CPC Class Codes: H04L 5/1469 using time-sharing

Abstract

A method and apparatus are provided for signal transmission and reception in a Time Division Duplex (TDD) system. The method includes receiving, from a base station, first configuration information including an uplink reference Uplink-Downlink (UL-DL) configuration; receiving, from the base station, second configuration information including a downlink reference UL-DL configuration; receiving, from the base station, third configuration information including an equivalent UL-DL configuration based on the first configuration information and the second configuration information; and communicating signals with the base station based on the third configuration information.

Claims

1. A signal transmission and reception method of a terminal in a communication system, the method comprising:

receiving, from a base station, first information for a first uplink-downlink (UL-DL) configuration;

receiving, from the base station, second information for a second UL-DL configuration and third information for a subframe to monitor first control information;

receiving, from the base station, first control information on a control channel of a first subframe, wherein the first control information is associated with the second UL-DL configuration, and the first subframe is identified based on the third information;

receiving, from the base station, second control information on a control channel of a second subframe, wherein the second control information is associated with data, and the second subframe is identified based on the second UL-DL configuration;

receiving, from the base station, the data based on the second control information; and

transmitting, to the base station, a response corresponding to the data on a third subframe, wherein the third subframe is identified based on the second UL-DL configuration.

2. The method of claim 1, wherein the second control information comprises a request for channel status information (CSI) associated with the second subframe.

3. The method of claim 1, wherein the transmitting the response comprises:

transmitting, if a request for channel status information (CSI) is included in the second control information, the response corresponding to the data including a CSI associated with the second subframe to the base station based on the second UL-DL configuration.

4. The method of claim 1, wherein receiving the first information comprises receiving, from the base station, the first information on a system information block.

5. The method of claim 1, wherein the second information is received on a dedicated higher layer signal.

6. A signal transmission and reception method of a base station in a communication system, the method comprising:

transmitting, to a terminal, first information for a first uplink-downlink (UL-DL) configuration;

transmitting, to the terminal, second information for a second UL-DL configuration and third information for a subframe to monitor first control information;

transmitting, to the terminal, the first control information on a control channel of a first subframe, wherein the first control information is associated with the second UL-DL configuration, and the first subframe is identified based on the information on the subframe;

transmitting, to the terminal, second control information on a control channel of a second subframe, wherein the second control information is associated with data, and the second subframe is identified based on the second UL-DL configuration;

transmitting, to the terminal, the data based on the second control information; and

receiving, from the terminal, a response corresponding to the data on a third subframe, wherein the third subframe is identified based on the second UL-DL configuration.

7. The method of claim 6, wherein the second control information comprises a request for channel status information (CSI) associated with the second subframe.

8. The method of claim 6, wherein the receiving the response comprises:

receiving, if a request for channel status information (CSI) is included in the second control information, the response corresponding to the data including a CSI associated with the second subframe to the base station based on the second UL-DL configuration.

9. The method of claim 6, wherein transmitting the first information comprises transmitting, to the terminal, the first information on a system information block.

10. The method of claim 6, wherein the second information is transmitted on a dedicated higher layer signal.

11. A terminal for transmitting and receiving a signal in a communication system, the terminal comprising:

a transceiver configured to transmit and receive a signal; and

a controller configured to;

receive, from a base station, first information for a first uplink-downlink (UL-DL) configuration,

receive, from the base station, second information for a second UL-DL configuration and third information on a subframe to monitor first control information,

receive, from the base station, first control information on a control channel of a first subframe, wherein the first control information is associated with the second UL-DL configuration, and the first subframe is identified based on the information on the subframe,

receive, from the base station, second control information on a control channel of a second subframe, wherein the second control information is associated with data, and the second subframe is identified based on the second UL-DL configuration,

receive, from the base station, the data based on the second control information, and

transmit, to the base station, a response corresponding to the data on a third subframe, wherein the third subframe is identified based on the second UL-DL configuration.

12. The terminal of claim 11, wherein the second control information comprises a request for channel status information (CSI) associated with the second subframe.

13. The terminal of claim 11, wherein the controller is further configured to transmit, if a request for channel status information (CSI) is included in the second control information, the response corresponding to the data including a CSI associated with the second subframe to the base station based on the second UL-DL configuration.

14. The terminal of claim 11, wherein the controller is further configured to receive, from the base station, the first information on a system information block.

15. The terminal of claim 11, wherein the second information is received on a dedicated higher layer signal.

16. A base station for transmitting and receiving a signal in a communication system, the base station comprising:

a transceiver configured to transmit and receive a signal; and

a controller configured to;

transmit, to a terminal, first information for a first uplink-downlink (UL-DL) configuration,

transmit, to the terminal, second information for a second UL-DL configuration and third information for a sub frame to monitor first control information,

transmit, to the terminal, first control information on a control channel of a first subframe, wherein the first control information is associated with the second UL-DL configuration, and the first subframe is identified based on the information on the subframe,

transmit, to the terminal, second control information on a control channel of a second subframe, wherein the second control information is associated with data, and the second subframe is identified based on the second UL-DL configuration,

transmit, to the terminal, the data based on the second control information, and

receive, from the terminal, a response corresponding to the data on a third subframe, wherein the third subframe is identified based on the second UL-DL configuration.

17. The base station of claim 16, wherein the second control information comprises a request for channel status information (CSI) associated with the second subframe.

18. The base station of claim 16, wherein the controller is further configured to receive, if a request for channel status information (CSI) is included in the second control information, the response corresponding to the data including a CSI associated with the second subframe to the base station based on the second UL-DL configuration.

19. The base station of claim 16, wherein the controller is further configured to transmit, to the terminal, the first information on a system information block 1 (SIB1).

20. The base station of claim 16, wherein the second information is transmitted on a dedicated higher layer signal.