公开(公告)号：US20230102171A1

公开(公告)日：2023-03-30

申请号：US18061826

申请日：2022-12-05

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L5/00 ,  H04W72/04

Abstract: For supporting higher data rates, resource configuration includes: acquiring, by a terminal, a configuration of physical resources; and performing, by the terminal, transmission according to the configured physical resources, wherein performing, by the terminal, transmission according to the configured physical resources comprises one of: neither performing, by the terminal, uplink transmission nor performing downlink reception on the configured physical resources; performing, by the terminal, only downlink reception on the configured physical resources; and performing, by the terminal, only uplink transmission on the configured physical resources.

公开(公告)号：US20230124786A1

公开(公告)日：2023-04-20

申请号：US17908677

申请日：2021-02-25

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04B1/525 ,  H04L25/02 ,  H04L25/03

Abstract: The present disclosure provides a method and an apparatus for self-interference cancellation, a terminal and a base station are disclosed. The method includes truncating a signal based on a detection window, where the signal comprises a receive signal and a self-interference signal which is associated with a transmit signal, and a length of the detection window is less than a symbol length, performing self-interference channel estimation to obtain an estimation of a self-interference channel, based on the truncated signal and a first reference signal which is carried by the transmit signal and used for self-interference channel estimation, where the first reference signal has a comb structure in frequency domain, and performing self-interference cancellation based on the transmit signal and the estimation of the self-interference channel. The method can reduce the influence on the accuracy of self-interference channel estimation due to inter-symbol interference caused by timing misalignment. And, the present disclosure provides a method and device for transmitting a first physical signal in a wireless communication system, the method including: mapping a sequence of each antenna port for the first physical signal to a same plurality of subcarriers on same one or more OFDM symbols based on a frequency-domain mapping pattern of the first physical signal; and transmitting the first physical signal.

公开(公告)号：US20220385439A1

公开(公告)日：2022-12-01

申请号：US17817958

申请日：2022-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

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

IPC: H04L5/00 ,  H04B17/336 ,  H04W24/08 ,  H04B17/318 ,  H04W74/08 ,  H04L27/26

Abstract: A terminal device and a method for measuring cross-link interference. The method includes receiving time-frequency resource configuration information from a base station, wherein the time-frequency resource configuration information includes configuration information of measurement time-frequency resources for measuring the cross-link interference. The method also includes determining measurement time-frequency resources for measuring the cross-link interference according to the time-frequency resource configuration information. The method further includes measuring the cross-link interference on the measured time-frequency resources and feeding back the measurement result of the cross-link interference to the base station.

公开(公告)号：US20220029761A1

公开(公告)日：2022-01-27

申请号：US17057075

申请日：2019-05-22

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L5/00 ,  H04W72/04

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The embodiments of the present disclosure propose a method for resource configuration, the method including: acquiring, by a terminal, a configuration of physical resources; and performing, by the terminal, transmission according to the configured physical resources, wherein performing, by the terminal, transmission according to the configured physical resources comprises one of: neither performing, by the terminal, uplink transmission nor performing downlink reception on the configured physical resources; performing, by the terminal, only downlink reception on the configured physical resources; and performing, by the terminal, only uplink transmission on the configured physical resources. There are further provided a device and a storage medium thereof.

公开(公告)号：US20210392625A1

公开(公告)日：2021-12-16

申请号：US17250935

申请日：2019-09-30

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W72/04

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services.
A detecting method and a transmitting method of a physical downlink control channel, and corresponding equipments are provided. The detecting method includes: performing blind detection on a physical downlink control channel (PDCCH) in at least one subframe or slot to acquire first downlink control information and second downlink control information; performing uplink data transmission and downlink data transmission with a base station according to the acquired first downlink control information and second downlink control information, wherein the first downlink control information is one of downlink control information for uplink scheduling grant and downlink control information for downlink scheduling, and the second downlink control information is the other one of the downlink control information for uplink scheduling grant and the downlink control information for downlink scheduling, wherein a location where a PDCCH carrying the second downlink control information is detected is associated with related information of the first downlink control information, or the first downlink control information and the second downlink control information are carried on the same one PDCCH.

公开(公告)号：US20220159580A1

公开(公告)日：2022-05-19

申请号：US17439537

申请日：2020-03-20

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04W52/14 ,  H04W52/36 ,  H04W52/24 ,  H04W72/12 ,  H04W72/14 ,  H04W72/04

Abstract: There is provided a power headroom report method, a configuring method, a power control method, a data transmission method, a terminal, a base station and an apparatus of the same. The data transmission method may include: acquiring configuration information for uplink or downlink data transmission; determining whether a front loaded reference signal is transmitted according to the acquired configuration information; in response to determining that the reference signal is transmitted, transmitting the reference signal before the data transmission or at the same time when the data transmission starts and performing uplink data transmission or downlink data reception; and in response to determining that the reference signal is not transmitted, directly performing the uplink data transmission or the downlink data reception.

公开(公告)号：US20210297300A1

公开(公告)日：2021-09-23

申请号：US16497425

申请日：2018-03-26

Applicant: Samsung Electronics Co., Ltd

Inventor： Chuang ZHANG ,  Qi XIONG ,  Chen QIAN ,  Bin YU ,  Chengjun SUN

IPC: H04L27/26 ,  H04W72/04 ,  H04L1/00 ,  H04L25/03

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. Embodiments of the present invention provide a multiple access method, a multiple access transmitter and a multiple access receiver. The multiple access method comprises the steps of: performing, by a transmitter, channel coding on a bit sequence to determine a coded sequence; interleaving and/or scrambling the coded sequence, and performing multidimensional constellation modulation on the interleaved and/or scrambled sequence; performing grid mapping on the modulated symbol sequence to determine a mapped sequence, and transmitting the mapped sequence; receiving, by a receiver, mixed signals from multiple transmitters, the mixed signals are obtained by performing, by each of the multiple transmitters, interleaving and/or scrambling, multidimensional constellation modulation and grid mapping on data; and, decoding, by the receiver, mixed information according to interleaver information and/or scrambler information, multidimensional constellation information and grid mapping pattern information corresponding to each transmitter to obtain data corresponding to each transmitter.

公开(公告)号：US20200266908A1

公开(公告)日：2020-08-20

申请号：US16792024

申请日：2020-02-14

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04B17/336 ,  H04W24/08 ,  H04L5/00 ,  H04W74/08 ,  H04L27/26 ,  H04B17/318

Abstract: A terminal device and a method for measuring cross-link interference. The method includes receiving time-frequency resource configuration information from a base station, wherein the time-frequency resource configuration information includes configuration information of measurement time-frequency resources for measuring the cross-link interference. The method also includes determining measurement time-frequency resources for measuring the cross-link interference according to the time-frequency resource configuration information. The method further includes measuring the cross-link interference on the measured time-frequency resources and feeding back the measurement result of the cross-link interference to the base station.

公开(公告)号：US20220216976A1

公开(公告)日：2022-07-07

申请号：US17604234

申请日：2020-04-20

Applicant: Samsung Electronics Co., Ltd.

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

IPC: H04L5/00 ,  H04B17/24 ,  H04B17/327 ,  H04B17/345 ,  H04W72/08 ,  H04W72/04

Abstract: The present disclosure relates to a communication method and system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. The present disclosure provides a method of measuring interference and a corresponding device. The method of measuring interference includes: receiving a downlink reference signal from abase station; based on a received downlink reference signal of a first category, acquiring interference strength information of co-channel interference or self-interference caused by a user equipment (UE), which performs uplink transmission on a time frequency resource where the received downlink reference signal of the first category is transmitted, to a current user equipment, or information for the base station to acquire the interference strength information of the co-channel interference or the self-interference; and reporting the acquired interference strength information or the acquired information for the base station to acquire the interference strength information to the base station, wherein the downlink reference signal of the first category is: a downlink reference signal transmitted on a time frequency resource with scheduled uplink transmission. According to the method of measuring interference and the corresponding device, interference strength of co-channel interference between UEs or self-interference of a user equipment can be measured accurately. The present disclosure provides a method and apparatus for a first terminal to transmit information on demodulation failure to a base station in a wireless communication system, and a method and apparatus for a base station to schedule uplink transmission based on the fed back information on demodulation failure. The method for the first terminal includes: receiving and demodulating data from the base station; determining at least one demodulation failure reason respectively associated with at least one second terminal causing inter-terminal interference to the first terminal, when demodulation of the data fails; generating information on demodulation failure based on the determined at least one demodulation failure reason; and transmitting the information on demodulation failure to the base station. The application relates to a method, a base station (BS), a user equipment (UE) and a system thereof for channel switching. The method includes: receiving, from the UE, information indicating that the UE has a full-duplex communication capability; transmitting, to the UE, control signaling notifying the UE to activate the full-duplex communication capability; and scheduling full-duplex transmission for the UE after the UE completes initialization of a self-interference cancellation module, wherein, the base station further configures a full-duplex mode timer and notifies the UE of configuration of the full-duplex mode timer. The present disclosure provides a base station, an apparatus and operation methods thereof for performing interference processing in a wireless communication system. The base station is configured to allocate resources for a plurality of apparatuses communicating with the base station based on a level of inter-apparatus interference among the plurality of apparatuses; and to indicate the allocated resources to the plurality of apparatuses. The apparatus is configured to acquire, from a base station, resources allocated for the apparatus by the base station based on a level of inter-apparatus interference among a plurality of apparatuses communicating with the base station; and to communicate based on the allocated resources.

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.