KR-20260065799-A - Method of operation of a device in a wireless communication system and a device using said method

KR20260065799AKR 20260065799 AKR20260065799 AKR 20260065799AKR-20260065799-A

Abstract

A method of operation of a device in a wireless communication system and a device utilizing said method are provided. The method is characterized by receiving operation information from a base station indicating which operation the terminal performs between an HD (half duplex) operation and an FD (full duplex) operation for a specific time resource, and, based on said operation information, the terminal performs either the HD operation or the FD operation for the specific time resource.

Inventors

유향선
고현수
송민우
김선욱

Assignees

엘지전자 주식회사

Dates

Publication Date: 20260511
Application Date: 20240926
Priority Date: 20230927

Claims (15)

In terms of method, Receive operation information from a base station indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation for a specific time resource, and A method characterized in that, based on the above operation information, the terminal performs either the HD operation or the FD operation at the specific time resource.
A method according to claim 1, wherein, when the operation information indicates a portion of time resources among a plurality of time resources to perform the FD operation, the terminal performs the FD operation in the portion of time resources and performs the HD operation in the remaining time resources among the plurality of time resources.
A method according to claim 1, wherein, when the operation information indicates a portion of time resources among a plurality of time resources to perform the HD operation, the terminal performs the HD operation in the portion of time resources and performs the FD operation in the remaining time resources among the plurality of time resources.
A method according to claim 1, wherein the operation information indicates ON information indicating that the terminal will perform the FD operation for the specific time resource, or OFF information indicating that the terminal will perform the HD operation.
A method according to claim 1, wherein the operation information indicates ON information indicating that the terminal will perform the HD operation or OFF information indicating that the terminal will perform the FD operation for the specific time resource.
A method characterized in that, in claim 1, the terminal performs an HD operation in a time resource where it has not been instructed to perform the operation information.
A method according to claim 1, characterized in that the terminal performs an FD operation in a time resource where it has not been instructed to the operation information.
A method according to claim 1, characterized by further receiving valid time information indicating the valid time of the operation information.
A method according to claim 8, wherein the terminal does not apply the operation information when the valid time has elapsed.
A method according to claim 1, characterized in that when reception of a specific signal or channel is scheduled for the specific time resource, even if the operation signal instructs the terminal to perform the FD operation for the specific time resource, the terminal performs the reception operation of the specific signal or channel in the specific time resource and does not perform uplink transmission.
The terminal is, At least one transceiver; At least one memory; and The above includes at least one memory and at least one processor operably coupled with the above at least one transceiver, The above at least one memory includes instructions that are executed by the above at least one processor to perform operations, wherein The above operations are, Receive operation information from a base station indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation for a specific time resource, and A terminal characterized by including, based on the above operation information, that the terminal performs either the HD operation or the FD operation at the specific time resource.
The device, At least one memory; and The above includes at least one processor operably coupled with at least one memory, The above at least one memory includes instructions that are executed by the above at least one processor to perform operations, wherein The above operations are, Receive operation information from a base station indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation for a specific time resource, and A device characterized by including, based on the above operation information, that the terminal performs either the HD operation or the FD operation at the specific time resource.
In at least one computer-readable medium (CRM) comprising instructions based on being executed by at least one processor, Receive operation information from a base station indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation for a specific time resource, and A CRM characterized by the terminal performing either the HD operation or the FD operation at the specific time resource based on the above operation information.
In terms of method, Transmitting operation information to the terminal indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation at a specific time resource, and A method characterized by performing either the HD operation or the FD operation at the terminal and the specific time resource based on the above operation information.
The base station is, At least one transceiver; At least one memory; and The above includes at least one memory and at least one processor operably coupled with the above at least one transceiver, The above at least one memory includes instructions that are executed by the above at least one processor to perform operations, wherein The above operations are, Transmitting operation information to the terminal indicating which operation the terminal performs between HD (half duplex) operation and FD (full duplex) operation at a specific time resource, and A base station characterized by including performing either the HD operation or the FD operation at the terminal and the specific time resource based on the above operation information.

Description

Method of operation of a device in a wireless communication system and a device using said method Method of operation of a device in a wireless communication system and a device using said method The present disclosure relates to a method of operation of a device in a wireless communication system and a device utilizing said method. As more communication devices require larger communication capacities, the need for enhanced mobile broadband communication compared to existing radio access technology (RAT) is emerging. Furthermore, Massive Machine Type Communications (MTC), which connects multiple devices and objects to provide various services anytime and anywhere, is also one of the major issues to be considered in next-generation communication. In addition, communication system designs that take into account services and terminals sensitive to reliability and latency are being discussed. Thus, the introduction of next-generation radio access technologies that consider enhanced mobile broadband communication, massive MTC, and Ultra-Reliable and Low Latency Communication (URLC) is being discussed, and for convenience, this technology is referred to as new RAT or NR in this disclosure. In wireless communication systems NR or later, not only base stations but also terminals can perform full duplex (FD) operations. When performing FD operations, the device can simultaneously perform downlink reception and uplink transmission within a specific time resource. This differs from half duplex (HD) operations, which can only perform either downlink reception or uplink transmission within a specific time resource. For FD operation, i) some frequency resources within the same time resource may be allocated as a downlink subband and other frequency resources as an uplink subband (this may be referred to as a subband FD, or SBFD (subband-wise full duplex)), or ii) frequency resources within the same time resource may be allocated that can be used for both downlink reception and uplink transmission (this may be referred to as a spectrum-sharing FD, or SSFD (spectrum-sharing full duplex)). When a terminal performs full-duplex operation, it simultaneously performs downlink (DL) reception and uplink (UL) transmission. In this case, there are advantages such as increased data transmission and reception throughput and reduced data transmission and reception latency. On the other hand, when a terminal performs full-duplex operation, there is a disadvantage in that self-interference (SI), where the terminal's UL transmission affects its own DL reception, occurs, which did not exist when the terminal performed half-duplex operation. Additionally, cross-link interference (CLI) may become more severe compared to an environment where it operated in half-duplex mode. Considering these disadvantages, when a terminal performs full-duplex operation, the transmission and reception quality of each signal/channel being transmitted and received may be worse than when performing half-duplex operation. A method of operation and a device are required that take these points into consideration. FIG. 1 illustrates a wireless communication system to which the present disclosure may be applied. Figure 2 is a block diagram showing the radio protocol architecture for the user plane. Figure 3 is a block diagram showing the wireless protocol structure for the control plane. Figure 4 illustrates the system structure of a New Generation Radio Access Network (NG-RAN) to which NR is applied. Figure 5 illustrates the functional partitioning between NG-RAN and 5GC. Figure 6 illustrates a frame structure that can be applied in NR. Figure 7 illustrates the slot structure of an NR frame. Figure 8 illustrates a core set. Figure 9 illustrates an example of a frame structure for a new wireless access technology. Figure 10 illustrates the structure of a self-contained slot. Figure 11 illustrates physical channels and general signal transmission. Figure 12 is an example of a PUSCH repetition type A. Figure 13 is an example of a PUSCH repetition type B. Figure 14 shows examples of methods for applying full duplex in the intra-carrier. FIG. 15 shows examples in which time resources operating as HD (half duplex) and time resources operating as FD (full duplex), such as SBFD or SSFD, exist together. FIG. 16 shows examples of a first time resource, a second time resource, a first frequency resource, and a second frequency resource. Figure 17 shows other examples of a first time resource, a second time resource, a first frequency resource, and a second frequency resource. FIG. 18 illustrates the determination of HD/FD operation according to Method 1. FIG. 19 illustrates a terminal operation based on methods 2 and 3. FIG. 20 illustrates a method of operation of a terminal. FIG. 21 illustrates the signaling process and operation between a base station and a terminal. FIG. 22 illustrates a wireless device that can be applied to the present specification. Figure 23 illustrate