公开(公告)号：US10270496B2

公开(公告)日：2019-04-23

申请号：US15502191

申请日：2015-08-04

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pengfei Sun ,  Bin Yu

IPC: H04W72/00 ,  H04B7/024 ,  H04L27/26 ,  H04W56/00 ,  H04B7/06 ,  H04W16/28 ,  H04W72/08

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 a long term evolution (LTE). Embodiments of the present disclosure provide a method of a base station in a wireless communication system, including: determining a signal transmission mode to be used by each of antennas based on a channel condition between each of the antennas and a terminal; and transmitting signals to one or more terminals from each of the antennas based on the signal transmission mode.

公开(公告)号：US09648641B2

公开(公告)日：2017-05-09

申请号：US14679465

申请日：2015-04-06

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pengfei Sun ,  Bin Yu

IPC: H04W74/08 ,  H04B7/04 ,  H04B7/01 ,  H04L27/26 ,  H04L1/16 ,  H04W74/00 ,  H04L1/00 ,  H04W28/06 ,  H04L5/00

CPC classification number: H04W74/0833 ,  H04L1/00 ,  H04L1/1607 ,  H04L1/1671 ,  H04L5/0007 ,  H04L5/0023 ,  H04L5/0028 ,  H04L5/0053 ,  H04L5/0092 ,  H04L27/2613 ,  H04L27/264 ,  H04L27/2646 ,  H04W28/06 ,  H04W74/008

Abstract: A data transmission method is provided. The method includes obtaining configuration information, wherein the configuration information indicates transmission resources of a random access preamble and payload data corresponding to the random access preamble, transmitting the random access preamble and the payload data at the transmission resources, modulating the payload data using a modulation scheme supporting asynchronous transmission, and receiving feedback information, wherein the feedback information comprises an indication which indicates whether the payload data is successfully received. Various examples of the present disclosure also describe a method for receiving data with space multiplexing which is applied to a base station side, and further describe a terminal and a base station. Employing the examples of the present disclosure, transmission efficiency of long duty cycle and sporadic small data packets of a large number of devices in the Internet of Things in future communication systems can be improved.

公开(公告)号：US20170034733A1

公开(公告)日：2017-02-02

申请号：US15224610

申请日：2016-07-31

Applicant: Samsung Electronics Co., Ltd

Inventor： Pengfei Sun ,  Bin Yu

IPC: H04W28/02 ,  H04L5/00 ,  H04L12/26 ,  H04W72/12 ,  H04B7/06

Abstract: A method for acquiring channel state information, includes transmitting, by a transmitting end, a first probing signal and a second probing signal in at least one probing zone, receiving, from a receiving end, channel state information acquired based on measurement of the first probing signal and the second probing signal, wherein the channel state information includes one or more of beam width information, adaptively quantized channel direction information, or predicted channel quality information. A terminal includes a signal receiving module adapted to receive a first probing signal and a second probing signal in at least one probing zone, and a feedback module adapted to acquire channel state information based on the first probing signal and the second probing signal, feed back the channel state information to a transmitting end.

Abstract translation: 一种用于获取信道状态信息的方法，包括在发送端发送至少一个探测区中的第一探测信号和第二探测信号，从接收端接收基于第一探测的测量获得的信道状态信息 信号和第二探测信号，其中信道状态信息包括波束宽度信息，自适应量化信道方向信息或预测信道质量信息中的一个或多个。 一个终端包括适于在至少一个探测区域中接收第一探测信号和第二探测信号的信号接收模块，以及适于基于第一探测信号和第二探测信号获取信道状态信息的反馈模块，反馈 信道状态信息发送到发送端。

公开(公告)号：US20160380689A1

公开(公告)日：2016-12-29

申请号：US15192978

申请日：2016-06-24

Applicant: Samsung Electronics Co., Ltd

Inventor： Pengfei Sun ,  Dalin Zhu ,  Bin Yu

IPC: H04B7/06 ,  H04W72/04 ,  H04B7/04

CPC classification number: H04L1/206 ,  H04L25/03159 ,  H04L2025/03414

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). Provided is a method of transmitting signals in an FBMC/OQAM system. Data symbols transmitted in category-2 data symbols or category-3 data symbols are determined according to interference from all of adjacent OQAM data symbols and an intrinsic interference coefficient of category-2 data symbols interference experienced by category-3 data symbols in a user data block, so that transmission symbols in the category-3 data symbols composed of transmitted data symbols and interference include target data symbols of the category-3 data symbols and target data symbols of the category-2 data symbols. A transmitting device transmits the data symbols of the category-3 data symbols and data symbols transmitted in category-2 data symbols together with other data symbols in the user data block.

Abstract translation: 本公开涉及提供用于支持更高数据速率的第5代（5G）或5G通信系统超越第四代（4G）通信系统，例如长期演进（LTE）。 提供了一种在FBMC / OQAM系统中发送信号的方法。 根据来自所有相邻OQAM数据符号的干扰和在用户数据中由类别3数据符号经历的类别2数据符号干扰的固有干扰系数来确定在2类数据符号或3类数据符号中发送的数据符号 使得由发送的数据符号和干扰组成的3类数据符号中的传输符号包括3类数据符号的目标数据符号和2类数据符号的目标数据符号。 发送装置将在类别2数据符号中发送的3类数据符号和数据符号的数据符号与用户数据块中的其他数据符号一起发送。

公开(公告)号：US10425855B2

公开(公告)日：2019-09-24

申请号：US15224610

申请日：2016-07-31

Applicant: Samsung Electronics Co., Ltd

Inventor： Pengfei Sun ,  Bin Yu

IPC: H04W28/02 ,  H04B7/06 ,  H04L12/26 ,  H04L5/00

Abstract: A method for acquiring channel state information, includes transmitting, by a transmitting end, a first probing signal and a second probing signal in at least one probing zone, receiving, from a receiving end, channel state information acquired based on measurement of the first probing signal and the second probing signal, wherein the channel state information includes one or more of beam width information, adaptively quantized channel direction information, or predicted channel quality information. A terminal includes a signal receiving module adapted to receive a first probing signal and a second probing signal in at least one probing zone, and a feedback module adapted to acquire channel state information based on the first probing signal and the second probing signal, feed back the channel state information to a transmitting end.

公开(公告)号：US10396953B2

公开(公告)日：2019-08-27

申请号：US14830599

申请日：2015-08-19

Applicant: Samsung Electronics Co., Ltd.

Inventor： Pengfei Sun ,  Bin Yu ,  Fang Yuan

IPC: H04W4/00 ,  H04L5/00 ,  H04L27/26 ,  H04L25/02 ,  H04W72/04

Abstract: A method and an apparatus for transmitting a reference signal. A first reference signal is generated according to a data signal, an interference relationship between adjacent carriers, and a predefined second reference signal. The data signal and the first reference signal is modulated and sent on a corresponding carrier utilizing non-orthogonal multi-carrier modulation waveform. A method for receiving a reference signal includes receiving, on a reference signal carrier, a first reference signal modulated utilizing non-orthogonal multi-carrier modulation waveform, processing the received first reference signal using a predefined processing method, performing channel estimation or synchronization according to a result of the processing and a predefined second reference signal.

公开(公告)号：US10230446B2

公开(公告)日：2019-03-12

申请号：US15243942

申请日：2016-08-22

Applicant: Samsung Electronics Co., Ltd

Inventor： Pengfei Sun ,  Chen Qian ,  Bin Yu

IPC: H04B7/06 ,  H04B7/04

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.According to a method for transmitting diversity, implemented at a transmitting end, space-time precoding is performed for a digital signal to obtain at least two coded signal streams, and then each coded signal stream is transmitted using a respective transmitting and receiving unit (TXRU) equipped with a multi-antenna array, in which an antenna array weight used by the respective TXRU to transmit each coded signal stream is one of two sets of antenna array weights, and at least two TXRUs use two different sets of antenna array weights. The present disclosure also discloses a corresponding transmitter. With the present disclosure, transmitting diversity may be realized in a large-scale antenna system.

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。