公开(公告)号：US20220094413A1

公开(公告)日：2022-03-24

申请号：US17405133

申请日：2021-08-18

Applicant: Electronics and Telecommunications Research Institute

Inventor： Gi Yoon PARK ,  Seok Ki KIM ,  Ok Sun PARK ,  Eun Jeong SHIN ,  Jae Sheung SHIN ,  Jin Ho CHOI

IPC: H04B7/06 ,  H04W74/00 ,  H04W74/08

Abstract: An operation method of a terminal in a communication system may comprise: receiving, from a base station, basis preamble information and linear combination information; generating a superposed preamble by using the basis preamble information and the linear combination information; transmitting, to the base station, a first message including the generated superposed preamble; and receiving, from the base station, a second message that is a response signal for the first message.

公开(公告)号：US20250008400A1

公开(公告)日：2025-01-02

申请号：US18749355

申请日：2024-06-20

Applicant: Electronics and Telecommunications Research Institute

Inventor： You Sun HWANG ,  Sook Yang KANG ,  Jae Sheung SHIN ,  Jae Wook SHIN ,  Sung Gu CHOI

IPC: H04W36/08 ,  H04W36/38 ,  H04W76/27

Abstract: A method of a terminal may comprise: establishing first RRC connections with a first base station and a second base station; in response to a first event condition being satisfied, requesting preparation for first traffic switching by transmitting a first measurement report to the first base station; performing a first RRC reconfiguration procedure with the second base station; releasing the first RRC connection with the first base station; and transitioning to a first RRC-inactive state and a first connection management (CM)-inactive state for the first base station.

公开(公告)号：US20230163881A1

公开(公告)日：2023-05-25

申请号：US17949067

申请日：2022-09-20

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Jung Im KIM ,  Jae Sheung SHIN

IPC: H04L1/08

CPC classification number: H04L1/08

Abstract: A repeated transmission method performed by a first communication node may comprise: repeatedly concatenating data to be transmitted to a second communication node by a preset first repetition number; performing channel coding on the concatenated data; generating first data having a resource unit size based on the channel-coded data; repeatedly outputting the first data by a preset second repetition number; and transmitting wireless signals generated according to the repeated output of the first data to the second communication node, wherein the first repetition number and the second repetition number are natural numbers.

公开(公告)号：US20220132536A1

公开(公告)日：2022-04-28

申请号：US17507873

申请日：2021-10-22

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Mi Jeong YANG ,  Soon Yong LIM ,  Jae Sheung SHIN ,  Sung Min OH

IPC: H04W72/12 ,  H04W72/04 ,  H04L1/18 ,  H04L5/00

Abstract: An operation method of a terminal in a communication system may comprise: receiving configuration information of an SPS from a base station, the configuration information including a first HARQ offset for first data and a second HARQ offset for second data; receiving control information including information indicating activation of the SPS from the base station; receiving the first data and the second data from the base station based on the configuration information of the SPS; generating a first HARQ codebook including a first HARQ feedback for the first data and a second HARQ feedback for the second data; and transmitting the first HARQ codebook to the base station on a first PUCCH indicated by the first HARQ offset and the second HARQ offset, wherein a value of the first HARQ offset is different from a value of the second HARQ offset.

公开(公告)号：US20210297181A1

公开(公告)日：2021-09-23

申请号：US17159543

申请日：2021-01-27

Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE

Inventor： Ok Sun PARK ,  Gi Yoon PARK ,  Seok Ki KIM ,  Woo Ram SHIN ,  Tae Joong KIM ,  Jae Sheung SHIN ,  Young Ha LEE

IPC: H04L1/00

Abstract: An operation method of a first communication node in a communication system includes receiving a signal from a second communication node; demodulating the signal to obtain LLR values; calculating a first codeword based on the LLR values; selecting error patterns from among all error patterns based on Hamming weights; generating second codewords by applying the first codeword to each of the selected error patterns; and determining a codeword having a highest similarity to the first codeword among the second codewords as an optimal codeword.

公开(公告)号：US20140153423A1

公开(公告)日：2014-06-05

申请号：US13974951

申请日：2013-08-23

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Sheung SHIN ,  Sook Yang KANG ,  Eun Ah KIM ,  Hyun Seo PARK ,  Sung Min OH ,  Ae Soon PARK ,  Pyeong Jung SONG

IPC: H04W36/30

CPC classification number: H04W36/18 ,  H04W84/047

Abstract: A method for handover of a terminal using a multi-connection in a cellular communication system is disclosed. The method for handover according to the present invention includes a multi-connection setting procedure of setting a connection to a second base station in addition to a connection to a first base station according to movement of a terminal in a direction from the first base station to the second base station, and a connection release procedure of releasing the connection to the first base station. Specifically, the present invention may be applied in a multi-beam management environment of super high frequency (SHF) and extremely high frequency (EHF) bandwidths, and may obtain an effect of decreasing signaling overhead and process latency of a conventional handover method.

Abstract translation: 公开了一种在蜂窝通信系统中使用多连接终端切换的方法。 根据本发明的切换方法包括除了根据终端在从第一基站到第一基站的方向的移动之外，连接到第一基站的设置到第二基站的连接的多连接设置过程 第二基站，以及释放与第一基站的连接的连接释放过程。 具体地，本发明可以应用于超高频（SHF）和极高频（EHF）带宽的多波束管理环境中，并且可以获得降低传统切换方法的信令开销和处理等待时间的效果。

公开(公告)号：US20140120926A1

公开(公告)日：2014-05-01

申请号：US13780264

申请日：2013-02-28

Applicant: Electronics and Telecommunications Research Institute

Inventor： Jae Sheung SHIN ,  Sook Yang KANG ,  Eun Ah KIM ,  Hyun Seo PARK ,  Sung Min OH ,  Ae Soon PARK

IPC: H04W72/04

CPC classification number: H04W48/12 ,  H04W16/28 ,  H04W64/003 ,  H04W88/08

Abstract: Provided is an operation method of a cellular telecommunication system for operating multiple beams. In an operation method of a base station, a beam identifier (ID) is allocated to each of the multiple beams, and a terminal reports a beam ID of a selected beam to the base station. When the operation method of the cellular telecommunication system is used, the base station can rapidly sense the entry of the terminal into a specific beam area. Even when the terminal moves between beam areas, it is possible to rapidly make a beam area change with a minimum overhead without performing random access again or performing a complex procedure such as a handover procedure.

Abstract translation: 提供了一种用于操作多个波束的蜂窝电信系统的操作方法。 在基站的操作方法中，将波束标识符（ID）分配给多个波束中的每一个，并且终端向所述基站报告所选波束的波束ID。 当使用蜂窝电信系统的操作方法时，基站可以快速地感测终端进入特定波束区域。 即使当终端在波束区域之间移动时，也可以以最小开销快速地使波束区域发生变化，而不再次执行随机访问，或者执行诸如切换过程的复杂过程。