公开(公告)号：US11889482B2

公开(公告)日：2024-01-30

申请号：US17446225

申请日：2021-08-27

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Yingzhe Li

IPC: H04W72/0446 ,  H04W16/14 ,  H04W72/23

CPC classification number: H04W72/0446 ,  H04W16/14 ,  H04W72/23

Abstract: A method of a UE in a wireless communication system supporting a shared spectrum channel access is provided. The UE comprises: receiving, from a BS over a first downlink channel, a SS/PBCH block; determining a transmission window in which the received SS/PBCH block is located; determining whether a CORESET for Type0-PDCCH CSS is present based on the received SS/PBCH block; determining a parameter for a QCL assumption of candidate SS/PBCH blocks within the transmission window; determining a group of QCLed candidate SS/PBCH blocks within the transmission window based on the determined parameter for the QCL assumption; determining a group of slots including the Type0-PDCCH CSS, wherein each slot of the group of slots corresponds to a candidate SS/PBCH block within the group of QCLed candidate SS/PBCH blocks; and receiving, over a second downlink channel, at least one Type0-PDCCH based on the determined groups of slots including the Type0-PDCCH CSS.

公开(公告)号：US20230389071A1

公开(公告)日：2023-11-30

申请号：US18447960

申请日：2023-08-10

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingzhe Li ,  Hongbo Si

IPC: H04W74/08 ,  H04W16/14 ,  H04W72/23

CPC classification number: H04W74/0808 ,  H04W74/0833 ,  H04W16/14 ,  H04W72/23

Abstract: Methods and apparatuses of a BSs and UEs in a wireless communication system are provided. A method of operating the UE comprises: receiving, from a BS over a shared spectrum channel, a first DCI including a COT of the BS; determining a first portion of the COT for a downlink transmission from the BS and a second portion of the COT for an uplink transmission to the BS, wherein the COT includes a gap between the first and second portions of the COT; performing a channel access procedure based on a duration of the gap; receiving the downlink transmission in the first portion of the COT; and transmitting the uplink transmission in the second portion of the COT based on a sensing status of the shared spectrum channel that is sensed as an idle state during the channel access procedure in the duration of the gap.

公开(公告)号：US11792850B2

公开(公告)日：2023-10-17

申请号：US17815941

申请日：2022-07-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Yingzhe Li

IPC: H04W74/08 ,  H04W16/14

CPC classification number: H04W74/0808 ,  H04W16/14

Abstract: A UE in a wireless communication system is provided. The UE comprises at least one processor configured to identify a DTTC including at least one of a first periodicity, a duration of a first transmission window, or a first timing offset of the first transmission window, wherein the DTTC is identified for the DSCH or RLM in a serving cell, and identify a DMTC including at least one of a second periodicity, a duration of a second transmission window, or a second timing offset of the second transmission window, wherein the DMTC is identified for RRM measurement based on the DSCH. The UE further comprises a transceiver operably connected to the processor, the transceiver configured to receive, from a BS, at least one DSCH from a set of DSCH over unlicensed downlink channels based on the identified DTTC, wherein the received at least one DSCH includes a SS/PBCH block.

公开(公告)号：US20230328756A1

公开(公告)日：2023-10-12

申请号：US18185354

申请日：2023-03-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Qiongjie Lin

IPC: H04W72/232

CPC classification number: H04W72/232

Abstract: Apparatuses and methods for dynamic adaptation of a time domain resource for periodic or semi-persistent downlink signal are provided. A method of operating a user equipment (UE) includes receiving a set of configurations from a higher layer, identifying a first set of configurations from the set of configurations indicating resources for reception of downlink signals, and identifying a second set of configurations from the set of configurations for a physical downlink control channel (PDCCH) including a downlink control information (DCI) format. The DCI format includes adaptation information. The method further includes receiving the downlink signals based on the first set of configurations, receiving the PDCCH including the DCI format based on the second set of configurations, identifying, based on the adaptation information, a third set of configurations indicating the resources for reception of the downlink signals, and receiving the downlink signals based on the third set of configurations.

公开(公告)号：US20230319903A1

公开(公告)日：2023-10-05

申请号：US18188299

申请日：2023-03-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Emad N. Farag ,  Carmela Cozzo

IPC: H04W74/08 ,  H04W72/1263

CPC classification number: H04W74/0875 ,  H04W74/0808 ,  H04W72/1263

Abstract: Methods and apparatuses for channel access procedure priority on a sidelink (SL) in a wireless communication system. A method of a user equipment (UE) includes determining a type of a SL channel access procedure before a SL transmission, which is a Type 1 SL channel access procedure or a Type 2 SL channel access procedure, and determining, based on a type of the SL transmission, a channel access priority class (CAPC) when the type of the SL channel access procedure is the Type 1 SL channel access procedure, wherein the CAPC is associated with a parameter p. The method further includes performing, based on the type of the SL channel access procedure and the CAPC, the SL channel access procedure before the SL transmission and performing the SL transmission if the SL channel access procedure is successfully performed.

公开(公告)号：US11737135B2

公开(公告)日：2023-08-22

申请号：US16947511

申请日：2020-08-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Yingzhe Li ,  Hongbo Si

IPC: H04W4/00 ,  H04W74/08 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W74/0808 ,  H04W16/14 ,  H04W72/042 ,  H04W74/0833

Abstract: Methods and apparatuses of a BSs and UEs in a wireless communication system are provided. A method of operating the UE comprises: receiving, from a BS over a shared spectrum channel, a first DCI including a COT of the BS; determining a first portion of the COT for a downlink transmission from the BS and a second portion of the COT for an uplink transmission to the BS, wherein the COT includes a gap between the first and second portions of the COT; performing a channel access procedure based on a duration of the gap; receiving the downlink transmission in the first portion of the COT; and transmitting the uplink transmission in the second portion of the COT based on a sensing status of the shared spectrum channel that is sensed as an idle state during the channel access procedure in the duration of the gap.

公开(公告)号：US11729736B2

公开(公告)日：2023-08-15

申请号：US17443932

申请日：2021-07-28

Applicant: Samsung Electronics Co., Ltd.

Inventor： Emad N. Farag ,  Hongbo Si ,  Nishith D. Tripathi ,  Kyeongin Jeong

IPC: H04W4/00 ,  H04W56/00 ,  H04W74/08 ,  H04L27/26 ,  H04W36/00 ,  H04W84/06

CPC classification number: H04W56/0045 ,  H04L27/2607 ,  H04W36/0072 ,  H04W74/0841 ,  H04W84/06

Abstract: Methods and apparatuses for time adjustment during handover in non-terrestrial networks. A method of operating a user equipment (UE) includes receiving configuration information for a first and a second RS and receiving the first RS from a first base station (BS) and the second RS from a second BS. The method also includes measuring a time of arrival of the second RS relative to a time of arrival of the first RS, determining a differential propagation delay between the first RS and the second RS based on the times of arrival. The method further includes determining a transmission time for an uplink (UL) UE-dedicated channel to the second BS based on the differential propagation delay and transmitting the UL UE-dedicated channel to the second BS based on the determined time.

公开(公告)号：US20230189011A1

公开(公告)日：2023-06-15

申请号：US18165185

申请日：2023-02-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Yingzhe Li

IPC: H04W16/14 ,  H04W52/14 ,  H04L5/00 ,  H04W72/23

CPC classification number: H04W16/14 ,  H04W52/146 ,  H04L5/0048 ,  H04W72/23

Abstract: A method and apparatus of a user equipment (UE) in a wireless communication system is provided. The method and apparatus comprises: receiving a synchronization signals and physical broadcast channel (SS/PBCH) block; determining whether a shared spectrum channel access is enabled; determining a first index of the SS/PBCH block as a candidate SS/PBCH block index (ISSB1) based on a number of candidate SS/PBCH blocks in a half frame; and determining a second index of the SS/PBCH block as an SS/PBCH block index (ISSB2) based on a quasi-co-location (QCL) parameter (Q) indicated by a PBCH in the SS/PBCH block, wherein the SS/PBCH block index (ISSB2) is determined as: ISSB2=ISSB1 mod Q based on a determination that the shared spectrum channel access is enabled, where mod is a modular operation; or ISSB2=ISSB1 based on the determination that the shared spectrum channel access is not enabled.

公开(公告)号：US11637670B2

公开(公告)日：2023-04-25

申请号：US17249288

申请日：2021-02-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Qiongjie Lin ,  Hongbo Si

IPC: H04L5/00 ,  H04W72/04 ,  H04W56/00 ,  H04W72/044

Abstract: Methods and apparatus for channel state information reference signal (CSI-RS) in RRC_IDLE/INACTIVE state. A method for operating a user equipment (UE) includes receiving a first configuration for periodic CSI-RS/tracking reference signal (TRS) reception occasions for idle/inactive UEs. A periodic CSI-RS/TRS reception occasion includes one or more CSI-RS resources, and each of the one or more CSI-RS resources is associated with a spatial reception parameter. The method further includes receiving a second configuration for a paging occasion (PO). The PO includes a number of physical downlink control channel (PDCCH) reception occasions The method further includes receiving an availability indication for one or more periodic CSI-RS/TRS reception occasions from the periodic CSI-RS reception occasions, receiving the one or more periodic CSI-RS/TRS reception occasions in time before the PO; and determining a time or frequency offset based on the one or more periodic CSI-RS/TRS reception occasions.

公开(公告)号：US11622340B2

公开(公告)日：2023-04-04

申请号：US17112868

申请日：2020-12-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Yingzhe Li

IPC: H04W4/00 ,  H04W56/00 ,  H04W72/00 ,  H04W16/14 ,  H04L27/26 ,  H04W72/0446 ,  H04L5/00

Abstract: Methods and apparatuses in a wireless communication system. A method of operating a user equipment (UE) includes receiving a synchronization signals and physical broadcast channel (SS/PBCH) block; determining a numerology of the SS/PBCH block, wherein the numerology includes a sub-carrier spacing (SCS) and a cyclic prefix (CP) length; and determining a SS/PBCH block pattern based on the numerology, the SS/PBCH block pattern including candidate SS/PBCH blocks that are mapped to slots within a half frame and a minimum gap (Ngapμ) between neighboring candidate SS/PBCH blocks, wherein: Ngapμ=0 symbol, based on a determination that the SCS included in the numerology of the SS/PBCH block is 120 kHz or 240 kHz; or Ngapμ=1 symbol, based on a determination that the SCS included in the numerology of the SS/PBCH block is 480 kHz or 960 kHz.