公开(公告)号：US20200235885A1

公开(公告)日：2020-07-23

申请号：US16481420

申请日：2018-01-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Di SU ,  Bin YU ,  Chen QIAN ,  Qi XIONG ,  Yingjie ZHANG ,  Jingxing FU

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

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE).The present invention relates to a method of transmitting configuration information, a method of detecting control channel resources, and devices therefor. The transmission method comprises: configuring, for each coreset, control channel resources on a time unit of a scheduling unit (SU); transmitting configuration for the resources of control channel on the time unit of the SU, wherein control channel resources belong to the coreset containing a plurality of continuous or discontinuous frequency-domain physical resource blocks available to transmit a downlink control channel. The detection method comprises: receiving configuration for the resources of control channel on a time unit of an SU; performing blind detection of a downlink control channel for a user on the time unit of the SU according to the configuration information. The present invention can flexibly configure control channel resources and reduce blind detection of a control channel by a terminal, thereby attaining reduction of power consumption caused by blind detection of the control channel by the terminal and load equalization.

公开(公告)号：US20190268089A1

公开(公告)日：2019-08-29

申请号：US16347423

申请日：2017-11-02

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing FU ,  Bin YU ,  Chen QIAN ,  Di SU ,  Qi XIONG

IPC: H04L1/00 ,  H04W80/08 ,  H04W72/04 ,  H04L5/00 ,  H04L27/26

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure discloses a method for reporting channel state information CSI, including: determining, by a user equipment (UE), a number of resources occupied by a demodulation reference signal (DMRS) used when calculating CSI; determining, by the UE, a number of resources used to transmit a physical downlink shared channel (PDSCH) used when calculating the CSI according to the number of resources occupied by the DMRS; and calculating, by the UE, the CSI according to the number of resources used to transmit the PDSCH determined, and reporting the CSI. Using the present disclosure can guarantee the performance of transmitting PDSCHs in a NR system.

公开(公告)号：US20240357466A1

公开(公告)日：2024-10-24

申请号：US18599011

申请日：2024-03-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Cuiwei TANG ,  Di SU ,  Chen QIAN

IPC: H04W40/16 ,  H04B17/345 ,  H04W24/08

CPC classification number: H04W40/16 ,  H04B17/345 ,  H04W24/08

Abstract: The present disclosure relates to a 5G communication system or a 6G communication system for supporting higher data rates beyond a 4G communication system such as long term evolution (LTE). The present disclosure provides a method performed by a first node in a wireless communication system comprising: acquiring first information on a first interference to a first terminal, and second information related to node(s) associated with the first node; determining interfering base station related information and interference management related information based on the first information and the second information, wherein the first interference is formed by forwarding a signal sent from an interfering base station by a second node; sending the interference management related information to the second base station and/or the interfering base station, wherein the second base station is a base station of a serving cell of the second node.

公开(公告)号：US20240340127A1

公开(公告)日：2024-10-10

申请号：US18293480

申请日：2022-08-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Di SU ,  Chen QIAN ,  Peng LIN ,  Qi LI

IPC: H04L5/00 ,  H04W72/0446

CPC classification number: H04L5/0048 ,  H04W72/0446

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. Provided herein is a method and apparatus for transmitting a reference signal. A method for transmitting a reference signal performed by a User Equipment (UE), comprising: determining a configuration of the reference signal; and transmitting/receiving the reference signal according to the configuration. Determining the configuration of the reference signal comprises determining one or more of: information related to transmit power of the reference signal; information related to modulation mode of the reference signal; information related to waveform of the reference signal; information related to transmission bandwidth of the reference signal; or information related to antenna ports for the reference signal. Determining the configuration of the reference signal comprises at least one of the following: receiving the configuration of the reference signal through higher-layer signaling and/or downlink control information; or determining a configuration of respective physical channel(s)/physical signal(s), and determining the configuration of the reference signal according to the configuration of the corresponding physical channel(s)/physical signal(s).

公开(公告)号：US20240259153A1

公开(公告)日：2024-08-01

申请号：US18566593

申请日：2022-06-03

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Di SU ,  Chen QIAN ,  Yi WANG ,  Sa ZHANG

IPC: H04L5/00 ,  H04L1/1812 ,  H04W72/0457

CPC classification number: H04L5/0048 ,  H04L1/1812 ,  H04W72/0457

Abstract: A terminal, a base station and a method performed by the same in a wireless communication system are provided. The method includes receiving one or more messages from abase station, where the one or more messages include first configuration information for configuring at least one first uplink bandwidth part (BWP) as an active uplink BWP and/or second configuration information for configuring at least one first downlink BWP as an active downlink BWP, and determining the active uplink BWP for an uplink transmission and/or the active downlink BWP for a downlink reception based on at least the first configuration information and/or the second configuration information. The invention can improve transmission quality and transmission rate of communication.

公开(公告)号：US20240205061A1

公开(公告)日：2024-06-20

申请号：US18391376

申请日：2023-12-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Peng LIN ,  Di SU ,  Chen QIAN

IPC: H04L27/26 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1263

CPC classification number: H04L27/2605 ,  H04L27/2628 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1263 ,  H04L5/0007

Abstract: The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure provides a method performed by a first node in a wireless communication system, the method comprising: generating a first physical signal and a second physical signal; and generating a first baseband signal on a first time unit based on the first physical signal and a second baseband signal on a second time unit based on the second physical signal, wherein the first baseband signal comprises a first part in which the first physical signal is leftwaard cyclic shifted by a length of a first cyclic prefix and the first cyclic prefix which is appended to a head of the first part, wherein the second baseband signal comprises a second part and a second cyclic prefix which is appended to a head of the second part, and wherein a third part comprising a part of the first part of the first baseband signal and the second cyclic prefix of the second baseband signal is configured as a cyclic prefix for the second part of the second baseband signal which is used for joint communication and sensing (JCAS).

公开(公告)号：US20220182160A1

公开(公告)日：2022-06-09

申请号：US17601367

申请日：2020-04-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Di SU ,  Chen QIAN ,  Peng LIN ,  Chuang ZHANG ,  Bin YU

IPC: H04B17/354 ,  H04B17/345 ,  H04B1/525 ,  H04L27/26 ,  H04L5/14

Abstract: A transmission method of a physical signal, a terminal, and a base station are provided. The transmission method may include receiving first configuration information, determining a measurement time-frequency resource for a residual self-interference measurement based on the first configuration information, performing the residual self-interference measurement on the measurement time-frequency resource to obtain a measurement result, transmitting feedback information determined according to the measurement result, receiving second configuration information determined according to the feedback information and determining a duplex mode of a terminal based on the second configuration information. According to the present disclosure, interference during a signal transmission procedure may be reduced.

公开(公告)号：US20220150978A1

公开(公告)日：2022-05-12

申请号：US17585074

申请日：2022-01-26

Applicant: Samsung Electronics Co., Ltd.

Inventor： Feifei SUN ,  Di SU ,  Jingxing FU ,  Chen QIAN ,  Bin YU

IPC: H04W74/08 ,  H04W4/80 ,  H04W76/27 ,  H04L5/14 ,  H04W72/04 ,  H04W80/02

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system such as Long Term Evolution (LTE). The present disclosure provides a method for transmitting uplink control information, including: determining, by a user equipment (UE), at least two carriers for uplink transmission in a cell currently connected by the UE, and determining a carrier for uplink control information (UCI) transmission from the at least two carriers for uplink transmission; determining, by the UE, a relative frequency-domain position and a time-domain starting position occupied by UCI on the determined carrier for UCI transmission; and retuning, by the UE, a center radio frequency of the UE to a center frequency of the carrier for UCI transmission, and transmitting the UCI according to the relative frequency-domain position and the time-domain starting position occupied by the UCI; in which, the UE receives and transmits information on one carrier at one time. Using the present disclosure can efficiently transmit UCI. The present disclosure further discloses a method for requesting random access, which comprising steps of: determining a time division duplex (TDD) uplink time-domain resource; determining, according to the TDD uplink time-domain resource, a time-domain resource used for transmitting a narrowband physical random access channel (NPRACH); determining a time-domain format for an NPRACH transmission group, the time-domain format comprising: one NPRACH transmission group comprises at least two transmission units which are discontinuous in time domain, and one transmission unit comprises one or more NPRACH symbol groups which are continuous in time domain; and, determine time-domain resource used for transmitting NPRACH to transmit an NPRACH transmission group in the time-domain format. Compared with the prior art, in the present disclosure, a time-domain position for transmitting an NPRACH is designed according to the characteristics of TDD uplink time-domain resource, so that a random access process can be deployed within an LTE band or an LTE guard band; moreover, since an NB-IoT communication system based on TDD is used, a higher utilization rate of system spectrum resources is achieved.

公开(公告)号：US20220150012A1

公开(公告)日：2022-05-12

申请号：US17430154

申请日：2020-02-11

Applicant: Samsung Electronics Co., Ltd.

Inventor： Di SU ,  Bin YU ,  Chen QIAN ,  Peng LIN ,  Chuang ZHANG ,  Qi XIONG

IPC: H04L5/00 ,  H04B17/26 ,  H04B17/345 ,  H04J11/00

Abstract: The disclosure relates to a pre-5th-generation (5G) or 5G communication system to be provided for supporting higher data rates beyond 4th-generation (4G) communication system such as long term evolution (LTE). The disclosure provides a remote interference management method, a gNB, an electronic device, a readable storage medium, and a base station for performing inter-base station interference coordination. The method includes steps of: determining, by a gNB, a mapping relationship between a gNB set ID and a RIM-RS according to received configuration information; transmitting, by the gNB, the RIM-RS according to the allocated gNB set ID and the mapping relationship; and/or performing RIM-RS detection, by the gNB, determining gNB set ID information through the detected RIM-RS according to the mapping relationship, and reporting the determined gNB set ID information. The present disclosure determines the mapping relationship between the gNB set ID and the RIM-RS according to the received configuration information, and further transmits and/or detects the RIM-RS based on the mapping relationship, thus simplifying signaling interaction information and improving the communication flexibility of the RIM-RS with multiple functions. The base station includes: a transceiver, configured to transmit signals and/or receive signals; and a processor, configured to: control the transceiver to receive a physical signal transmitted by a second base station and perform interference measurement based on the received physical signal; and control the transceiver to report an interference measurement result to the second base station or a management center, to cause the second base station to perform interference coordination for at least the first base station based on the interference measurement result reported by the first base station or configuration by the management center.

公开(公告)号：US20210329660A1

公开(公告)日：2021-10-21

申请号：US17269990

申请日：2019-08-20

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chuang ZHANG ,  Di SU ,  Peng LIN ,  Chen QIAN ,  Bin YU

IPC: H04W72/12 ,  H04W72/04

Abstract: The present disclosure provides a method of scheduling for a UE. The method includes dividing M UEs into N groups, wherein a distance metric between each UE in a group and the center of the group does not exceed a first predetermined threshold, where M and N are positive integers; pairing the N groups, wherein a distance metric between centers of the two paired groups is greater than a second predetermined threshold; and in a case where there is a group paired with a group to which a first UE for which scheduling is to be performed belongs, scheduling transmissions in different directions respectively for the first UE and the second UE from the paired group on the same time-frequency resource. The present disclosure also provides a signal transmission method, a base station, a UE and a computer readable medium.