Method and apparatus for supporting full-duplex communication operation in wireless communication system supporting full-duplex communication

• US 10,178,575 B2
• Filed: 11/17/2014
• Issued: 01/08/2019
• Est. Priority Date: 04/29/2014
• Status: Active Grant

• Current Assignee: LG Electronics, Inc. (LG Corporation)
• Original Assignee: LG Electronics, Inc. (LG Corporation)
• Inventors: Lee, Eunjong, Chung, Jaehoon, Hahn, Genebeck, Kim, Jinmin, Choi, Kukheon, Noh, Kwangseok
• Primary Examiner(s): Duong, Frank
• Application Number:
  US15/307,715
• Publication Number:
  US 20170048741A1
• Time in Patent Office: 1,513 Days
• CPC Class Codes: H04L 41/08 Configuration management of networks or network elements address allocation H04L61/50
• CPC Class Codes: H04L 5/14 Two-way operation using the same type of signal, i.e. duplex
• CPC Class Codes: H04W 24/10 Scheduling measurement reports ; Arrangements for measurement reports
• CPC Class Codes: H04W 76/10 Connection setup
• CPC Class Codes: H04W 76/27 Transitions between radio resource control [RRC] states
• CPC Class Codes: H04W 8/005 Discovery of network devices, e.g. terminals
• CPC Class Codes: H04W 88/02 Terminal devices

Abstract

A method for performing a Full-Duplex Radio (FDR) operation in a wireless communication system that supports the FDR is disclosed. The method includes exchanging FDR capability information that represents whether to have a capability of performing the FDR operation between a user equipment (UE) and a base station (BS); receiving, by the UE, Inter-Device-Interference (IDI) measurement configuration information from the BS; performing, by the UE, an IDI measurement based on the received IDI measurement configuration information; reporting, by the UE, a result of the IDI measurement to the BS; and receiving, by the UE, a control message notifying that the UE is included in a group related to the FDR operation from the BS, where the FDR capability information includes indication information that represents whether to support an FDR mode that transmission and reception operations are available to be performed simultaneously using an identical radio resource.

Claims

1. A method for performing, by a user equipment (UE), a Full-Duplex (FD) Radio (FDR) operation in a wireless communication system, the method comprising:

transmitting, to a base station (BS), FDR capability information that represents whether to have a capability of performing the FDR operation;

receiving, from the BS, Inter-Device-Interference (IDI) measurement configuration information;

determining whether or not to enter an FDR preparation mode;

performing an IDI measurement based on the received IDI measurement configuration information when it is determined to enter the FDR preparation mode;

reporting, to the BS, a result of the IDI measurement;

receiving, from the BS, a control message notifying that the UE is included in a group related to the FDR operation; and

transitioning from the FDR preparation mode to an FDR mode in response to the control message,

wherein the FDR capability information includes indication information that represents whether to support an FDR mode for which transmission and reception operations are available to be performed simultaneously using an identical radio resource.

2. The method of claim 1, wherein the BS is an FDR host that performs the FDR operation in the FDR mode, and

wherein the UE is an FDR member that assists the FDR host.

3. The method of claim 2, wherein the FDR capability information includes at least one of FDR assist indication information that represents whether it is available to operate as the FDR member by participating in the group, information that represents an operation method in the FDR mode or information related to an FDR grouping method.

4. The method of claim 1, wherein the control message further includes information related to an FDR grouping.

5. The method of claim 1, further comprising:

receiving, from the BS, system information that includes the FDR capability information of the BS,

wherein the FDR capability information of the UE is transmitted through a Radio Resource Control (RRC) connection establishment procedure.

6. The method of claim 5, wherein the FDR capability information of the UE is included in an RRC connection request message or an RRC connection setup complete message.

7. The method of claim 6, wherein the FDR capability information of the UE is included in UE capability information.

8. The method of claim 1, further comprising:

receiving, from the BS, system information that includes the FDR capability information of the BS,

wherein the FDR capability information of the UE is transmitted through a UE capability negotiation procedure.

9. The method of claim 1, further comprising:

driving an FD grouping timer related to receiving the information of the group when the UE receives a response for requesting of performing the FDR operation; and

terminating the FD grouping timer, when a termination condition of the FD grouping timer is satisfied.

10. The method of claim 9, wherein the termination condition of the FD grouping timer is a reception of the information of the group, an expiration of the FD grouping timer or an expiration of a Radio Resource Control (RRC) related timer, and

wherein the UE drives the RRC related timer, when transmitting a message for requesting of performing the FDR operation.