公开(公告)号：US20210175946A1

公开(公告)日：2021-06-10

申请号：US17178530

申请日：2021-02-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jihwan Noh ,  Taeyoung Kim ,  Hyunil Yoo ,  Keonkook Lee ,  Suryong Jeong

IPC: H04B7/06 ,  H04L5/00

Abstract: For converging a 5th-Generation (5G) communication system and supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT), a channel state information (CSI) acquisition method includes transmitting CSI configuration information to a terminal, selecting a beam for transmitting a beamformed CSI reference signal (BF-CSI-RS) to the terminal, transmitting the BF-CSI-RS to the terminal using the selected beam, and notifying the terminal of a beamforming update. A base station for acquiring CSI in a mobile communication system includes a transceiver configured to transmit and receive signals, and a controller configured to control the transceiver to transmit CSI configuration information to a terminal, to select a beam for transmitting a BF-CSI-RS to the terminal, to transmit the BF-CSI-RS to the terminal using the selected beam, and to notify the terminal of a beamforming update.

公开(公告)号：US11005555B2

公开(公告)日：2021-05-11

申请号：US16857980

申请日：2020-04-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjeong Lee ,  Jung-Min Moon ,  Hyunseok Ryu ,  Peng Xue ,  Hyunil Yoo ,  Cheol Jeong ,  Taeyoung Kim

IPC: H04B7/08 ,  H04B7/06 ,  H04L5/00 ,  H04L25/02 ,  H04B7/024 ,  H04W24/10

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). According to various embodiments, an apparatus of a user equipment (UE) in a wireless environment comprises at least one transceiver; and at least one processor operably coupled to the at least one transceiver. The at least one transceiver is configured to receive a reference signal configuration comprising information for indicating whether a reference signal of a transmission and reception point (TRP) is transmitted through beam sweeping from the TRP, and receive the reference signal from the TRP based on the received reference signal configuration.

公开(公告)号：US10998942B2

公开(公告)日：2021-05-04

申请号：US15100281

申请日：2014-11-26

Applicant: Samsung Electronics Co., Ltd

Inventor： Taeyoung Kim ,  Jiyun Seol ,  Chanhong Kim ,  Jaeyoel Kim ,  Hyunjung Kim ,  Inhak Na ,  Jiyeon Han

IPC: H04B7/0417 ,  H04B7/0456 ,  H04L5/00 ,  H04B7/08 ,  H04B7/06 ,  H04B7/0408 ,  H04W16/28

Abstract: A method for a transmitter of a mobile communication system transmitting and receiving signals according to an embodiment of the present specification comprises the steps of: transmitting to a receiver system information for transmitting a signal to the receiver including a connection between a wireless resource and a transmitting antenna; transmitting a reference signal to the receiver based on the system information; and receiving from the receiver feedback information generated based on the reference signal. According to an embodiment of the present specification, in a beamforming transmission method of a mobile communication system, a transmitter can determine whether to perform digital pre-coding without advance information from a receiver and can consequently perform a transmission, and can thereby perform lower-overhead and efficient signal transmission/reception.

公开(公告)号：US10820331B2

公开(公告)日：2020-10-27

申请号：US15888689

申请日：2018-02-05

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hyunil Yoo ,  Hyungju Nam ,  Jeehwan Noh ,  Yongok Kim ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04W72/08 ,  H04L5/00 ,  H04B7/06 ,  H04W72/04 ,  H04B7/0413 ,  H04W88/08 ,  H04W88/02 ,  H04W74/08

Abstract: The present disclosure relates to a communication scheme and system for converging a 5th generation (5G) communication system for supporting a data rate higher than that of a 4th generation (4G) system with an internet of things (IoT) technology. The present disclosure is applicable to intelligent services (e.g., smart homes, smart buildings, smart cities, smart cars, connected cars, health care, digital education, retails, and security and safety-related services) based on the 5G communication technology and the IoT-related technology. The present disclosure relates to a radio network technology for use in a beamforming-based cellular system. A method for compensating phase noise by a user equipment (UE) is provided. The method comprises receiving, from a base station, association information between at least one phase tracking reference signal (PTRS) port and at least one demodulation reference signal (DMRS) port, identifying phase noise between the UE and the base station based on the association information, and compensating for the phase noise based on the result of the identification.

公开(公告)号：US10749585B2

公开(公告)日：2020-08-18

申请号：US16536156

申请日：2019-08-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Li Guo ,  Young-Han Nam ,  Eko Onggosanusi ,  Taeyoung Kim ,  Gert-Jan van Lieshout

IPC: H04B7/06 ,  H04B7/08 ,  H04L5/00 ,  H04W72/04 ,  H04L1/00 ,  H04L1/18

Abstract: A method of a user equipment (UE) for a beam management in a wireless communication system/The method comprises receiving, from a base station (BS), configuration information including information of receive (Rx) beam identifications (IDs) associated with Rx beams, receiving, from the BS, reference signals for determining the Rx beams, wherein the Rx beams include different Rx beam IDs, respectively, measuring, based on the Rx beams, a beam reference signal (BRS) and a channel state information-reference signal (CSI-RS) received from the BS, and performing, based on the configuration information, an Rx beam cycling operation for the Rx beams to receive downlink channels.

公开(公告)号：US10673515B2

公开(公告)日：2020-06-02

申请号：US16434040

申请日：2019-06-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Namjeong Lee ,  Jung-Min Moon ,  Hyunseok Ryu ,  Peng Xue ,  Hyunil Yoo ,  Cheol Jeong ,  Taeyoung Kim

IPC: H04B7/08 ,  H04B7/06 ,  H04L5/00 ,  H04L25/02 ,  H04B7/024 ,  H04W24/10

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). According to various embodiments, an apparatus of a user equipment (UE) in a wireless environment comprises at least one transceiver; and at least one processor operably coupled to the at least one transceiver. The at least one transceiver is configured to receive a reference signal configuration comprising information for indicating whether a reference signal of a transmission and reception point (TRP) is transmitted through beam sweeping from the TRP, and receive the reference signal from the TRP based on the received reference signal configuration.

公开(公告)号：US10523354B2

公开(公告)日：2019-12-31

申请号：US15902876

申请日：2018-02-22

Applicant: Samsung Electronics Co., Ltd.

Inventor： Hongbo Si ,  Le Liu ,  Eko Onggosanusi ,  Youngbum Kim ,  Taeyoung Kim

IPC: H04J11/00 ,  H04L27/26 ,  H04B7/26 ,  H04W72/04

Abstract: A method of a user equipment (UE) in a wireless communication system is provided. The method comprises receiving, from a base station (BS), at least one physical broadcasting channel (PBCH) symbol containing resource elements (REs) mapped for at least one demodulation reference signal (DMRS) sequence over a downlink channel; and determining DMRS REs included in the at least one PBCH symbol, wherein a synchronization signal (SS) block hypotheses is carried in the at least one DMRS sequence that is mapped into the DMRS REs, and wherein the SS block hypotheses includes at least full or partial SS block indices.

公开(公告)号：US10476565B2

公开(公告)日：2019-11-12

申请号：US15934492

申请日：2018-03-23

Applicant: Samsung Electronics Co., Ltd. ,  Seoul National University R&DB Foundation

Inventor： Sungnam Hong ,  Hee Jin Seo ,  Byonghyo Shim ,  Sunho Park ,  Hyoungju Ji ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04L5/00 ,  H04B7/0456 ,  H04J99/00

Abstract: The present disclosure relates to a 5G generation or pre-5G communication system for supporting a higher data transmission rate than a 4G communication system such as LTE. The present disclosure relates to uplink transmission in a wireless communication system, and an operating method of a terminal includes: determining a second codebook for a reference signal, based on a first codebook for data; and transmitting at least one reference signal generated by using the second codebook, and at least one data signal generated by using the first codebook.

公开(公告)号：US10448409B2

公开(公告)日：2019-10-15

申请号：US15742778

申请日：2016-07-29

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Sagong ,  Yeohun Yun ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04W72/08 ,  H04W88/08 ,  H04L1/18 ,  H04L5/00 ,  H04W16/14 ,  H04W52/24 ,  H04W72/04 ,  H04B17/21 ,  H04B17/309 ,  H04W52/36

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. Particularly, the present invention relates to an allocation and a user of a channel, and a method for operating a terminal comprises the steps of: receiving channel allocation information; and transmitting a data signal through at least one channel based on the channel allocation information. In addition, the present invention includes other examples different from the aforementioned example.

公开(公告)号：US10411932B2

公开(公告)日：2019-09-10

申请号：US15564706

申请日：2016-04-18

Applicant: Samsung Electronics Co., Ltd.

Inventor： Keonkook Lee ,  Suryong Jeong ,  Taeyoung Kim ,  Jiyun Seol

IPC: H04L27/26 ,  H04L5/00 ,  H04B7/06 ,  H04L1/00 ,  H04B7/08 ,  H04B7/0452

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 transmission of a reference signal in a wireless communication system, and an operation method of a terminal comprises the steps of: receiving control information for reference signals from a base station; and receiving the reference signals according to the control information. Further, the present invention also comprises embodiments different from the embodiment described above.