公开(公告)号：US20180019905A1

公开(公告)日：2018-01-18

申请号：US15545672

申请日：2016-01-25

Applicant: Samsung Electronics Co., Ltd.

Inventor： Dalin Zhu ,  Bin Yu ,  Pengfei Sun

IPC: H04L27/26 ,  H04L1/00 ,  H04L27/36 ,  H04J11/00

CPC classification number: H04L27/2698 ,  H04B7/0452 ,  H04J11/0023 ,  H04L1/0053 ,  H04L1/0054 ,  H04L27/2615 ,  H04L27/264 ,  H04L27/2647 ,  H04L27/366

Abstract: The present disclosure provides a method for interference cancellation which includes: calculating a mean value and a variance value of a received signal to obtain statistics information of the received signal; calculating an estimating log-likelihood ratio using the statistics information of the received signal; calculating a decoding log-likelihood ratios of the received signal using the estimating log-likelihood ratio of the received signal, and performing calculations to update the statistics information of the received signal; repeating the above steps for a pre-determined number of times, performing hard decisions on the decoding log-likelihood ratios of the received signal, and outputting data bits obtained from the hard decision. The present disclosure also provides an apparatus, an auxiliary method, a base station and a terminal device for interference cancellation. The mechanism of the present disclosure can reduce the impact of inherent interference in the FBMC/OQAM system on system performances, and increase spectral efficiency and design flexibility of the FBMC/OQAM system.

公开(公告)号：US09749819B2

公开(公告)日：2017-08-29

申请号：US14574182

申请日：2014-12-17

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pengfei Sun ,  Bin Yu ,  Chengjun Sun

IPC: H04W4/00 ,  H04W4/08 ,  H04B7/022 ,  H04B7/06 ,  H04J11/00

CPC classification number: H04W4/08 ,  H04B7/022 ,  H04B7/0619 ,  H04J11/004

Abstract: The present disclosure provides a method for performing non-orthogonal communication by a terminal in a wireless communication system, the method including: monitoring scheduling signaling; receiving a multi-layer signal in non-orthogonal transmission according to the monitored scheduling signaling and demodulating the multi-layer signal if non-orthogonal transmission exists; and calculating and feeding back channel state information applied to the non-orthogonal transmission.

公开(公告)号：US20150288483A1

公开(公告)日：2015-10-08

申请号：US14678860

申请日：2015-04-03

Applicant: Samsung Electronics Co., Ltd

Inventor： Pengfei Sun ,  Bin Yu

IPC: H04L1/00 ,  H04W72/08 ,  H04L5/00 ,  H04L27/00 ,  H04W24/10

CPC classification number: H04L1/0003 ,  H04L1/0009 ,  H04L1/0017 ,  H04L1/0026 ,  H04L1/0033 ,  H04L5/0048 ,  H04L27/0012

Abstract: A method for adaptively adjusting a modulation coding scheme and a reference signal pattern. The method includes: determining a Modulation Coding and Reference Signal Pattern Scheme (MCPS) index according to channel status information, the MCPS being used for indicating a reference signal pattern, a modulation scheme and/or a modulation order and TBS; performing communication according to the reference signal pattern, modulation scheme and/or modulation order and TBS corresponding to the MCPS index. Another example of the present disclosure further provides a corresponding eNB, terminal and system. With examples of the present disclosure, the reference signal pattern and modulation coding scheme may be adaptively and jointly adjusted according to requirements to obtain the optimal transmission efficiency.

Abstract translation: 一种用于自适应地调整调制编码方案和参考信号模式的方法。 该方法包括：根据信道状态信息确定调制编码和参考信号模式方案（MCPS）索引，MCPS用于指示参考信号模式，调制方案和/或调制阶数和TBS; 根据参考信号模式，调制方案和/或调制顺序以及对应于MCPS索引的TBS执行通信。 本公开的另一示例还提供了相应的eNB，终端和系统。 通过本公开的示例，参考信号模式和调制编码方案可以根据需要自适应地并且相互调整以获得最佳的传输效率。

公开(公告)号：US12232171B2

公开(公告)日：2025-02-18

申请号：US18499986

申请日：2023-11-01

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Jingxing Fu ,  Qi Xiong ,  Chen Qian ,  Bin Yu

IPC: H04W74/0808 ,  H04L41/0896 ,  H04W72/0453 ,  H04W72/1268 ,  H04W72/23

Abstract: The present disclosure provides a method for transmitting uplink information, including: determining a frequency band for carrier sensing and an allocation manner of uplink frequency domain resources by receiving a signaling or by predefining via a protocol; performing carrier sensing at the determined frequency band for carrier sensing; and transmitting uplink information in uplink frequency domain resources determined according to the allocation manner of uplink frequency domain resources when a carrier is idle. The present disclosure also provides a user equipment for transmitting uplink information.

公开(公告)号：US12068900B2

公开(公告)日：2024-08-20

申请号：US18331783

申请日：2023-06-08

Applicant: Samsung Electronics Co., Ltd.

Inventor： Jingxing Fu ,  Bin Yu ,  Chen Qian ,  Qi Xiong ,  Yingjie Zhang

IPC: H04W72/04 ,  H04L5/00 ,  H04L5/10 ,  H04L27/26 ,  H04W56/00 ,  H04W72/23 ,  H04W72/53 ,  H04W80/08

CPC classification number: H04L27/2613 ,  H04L5/0048 ,  H04L5/0051 ,  H04L5/0094 ,  H04L5/10 ,  H04L27/26025 ,  H04L27/2607 ,  H04W56/001 ,  H04W72/23 ,  H04W72/53 ,  H04W80/08

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). A method for operating a terminal in a wireless communication system, the method comprises determining a time-frequency structure of a downlink reference signal, and receiving, from a base station, the downlink reference signal according to the time-frequency structure.

公开(公告)号：US12010726B2

公开(公告)日：2024-06-11

申请号：US17310088

申请日：2020-01-16

Applicant: Samsung Electronics Co., Ltd.

Inventor： Min Wu ,  Feifei Sun ,  Bin Yu ,  Qi Xiong ,  Chen Qian

IPC: H04W74/0833

CPC classification number: H04W74/0833

Abstract: Embodiments of the present application provides an apparatus and a method for transmitting and receiving uplink data, and relates to the field of communication technologies. The method includes: performing uplink data transmission via a contention-based random access (RACH) procedure. The embodiments of the present application implement that, when transmitting uplink data in an RRC idle mode, the user equipment does not need to establish an RRC connection, and may directly transmit the uplink data via the RACH procedure, so that the power consumption of the UE may be reduced, and the waste of system resources may be reduced.

公开(公告)号：US12004222B2

公开(公告)日：2024-06-04

申请号：US17423001

申请日：2020-09-24

Applicant: Samsung Electronics Co., Ltd.

Inventor： Qi Xiong ,  Feifei Sun ,  Yi Wang ,  Bin Yu

IPC: H04W74/08 ,  H04L5/00 ,  H04W74/0833

CPC classification number: H04W74/0833 ,  H04L5/0048

Abstract: A method for 2-step RA (2-step random access) performed by a terminal (UE) is provided. The method comprises receiving, from a base station, first random access channel (RACH) configuration for 4-step RA (4-step random access), second RACH configuration for the 2-step RA, and physical uplink shared channel (PUSCH) configuration, the first RACH configuration including information on RA occasions for the 4-step RA; in case that an index indicating a subset of the RA occasions is included in the second RACH configuration, identifying at least one RA occasion for the 2-step RA based on the subset; identifying at least one PUSCH resource based on the PUSCH configuration and the at least one RA occasion; and transmitting, to the base station, a random access preamble in the at least one RA occasion and a PUSCH in the at least one PUSCH resource.

公开(公告)号：US11968659B2

公开(公告)日：2024-04-23

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: H04W4/00 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/121 ,  H04W72/1268 ,  H04W72/23

CPC classification number: H04W72/121 ,  H04W72/0446 ,  H04W72/0453 ,  H04W72/1268 ,  H04W72/23

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.

公开(公告)号：US11902000B2

公开(公告)日：2024-02-13

申请号：US17817955

申请日：2022-08-05

Applicant: SAMSUNG ELECTRONICS CO., LTD.

Inventor： Qi Xiong ,  Chen Qian ,  Bin Yu

IPC: H04K1/10 ,  H04L27/28 ,  H04B7/06 ,  H04L1/16 ,  H04B7/08 ,  H04W24/04 ,  H04W74/00 ,  H04W72/23 ,  H04W72/20

CPC classification number: H04B7/0695 ,  H04B7/088 ,  H04L1/16 ,  H04W24/04 ,  H04W72/23 ,  H04W74/004 ,  H04W72/20

Abstract: Embodiments of the present disclosure provide methods for transmitting an uplink signal and a downlink signal. A method for transmitting an uplink signal comprises detecting whether there is a beam failure; if there is a beam failure, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information; and transmitting a beam failure recovery request message to a base station, the beam failure recovery request message being used for informing the base station of at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information. A method for transmitting a downlink signal comprises detecting a beam failure recovery request message, determining at least one of whether there is a candidate downlink transmission beam(s) or candidate downlink transmission beam information in the UE; and transmitting a feedback message corresponding to the beam failure recovery request message.

公开(公告)号：US11882593B2

公开(公告)日：2024-01-23

申请号：US17571200

申请日：2022-01-07

Applicant: Samsung Electronics Co., Ltd.

Inventor： Chen Qian ,  Bin Yu ,  Qi Xiong

IPC: H04W74/08 ,  H04L1/00 ,  H04W8/24 ,  H04W16/28 ,  H04W84/04

CPC classification number: H04W74/0808 ,  H04L1/0061 ,  H04W8/24 ,  H04W16/28 ,  H04W84/042

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 method in a wireless communication system is provided. The method includes transmitting a message including an indication of a beam reciprocity capability of the terminal if a random access response is detected in the random access; and detecting a contention resolution information to complete the random access.