公开(公告)号：US20240214254A1

公开(公告)日：2024-06-27

申请号：US18557417

申请日：2021-09-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon Ho CHO ,  Jeong Hoon CHOI

IPC: H04L27/26

CPC classification number: H04L27/2636

Abstract: Provided is a discrete Fourier transform (DFT)-spread orthogonal frequency division multiplexing (OFDM) transmission method and transmitter including a phase shifter configured to generate a pi/2-binary phase shift keying (BPSK) symbol vector by phase-shifting a vector including M BPSK symbols, a DFT spreader configured to generate a DFT-spread pi/2-BPSK symbol vector by spreading the pi/2-BPSK symbol vector using an M-point DFT matrix, a circular extender configured to generate a circularly extended pi/2-BPSK symbol vector by periodically extending the DFT-spread pi/2-BPSK symbol vector, a frequency domain spectrum shaper configured to generate a frequency domain spectrum shaped pi/2-BPSK symbol vector by multiplying each element of the circularly extended pi/2-BPSK symbol vector by each element of a first shaping vector, and a subcarrier allocator configured to allocate the frequency domain spectrum shaped pi/2-BPSK symbol vector to subcarriers in an allocated frequency range.

公开(公告)号：US20240414042A1

公开(公告)日：2024-12-12

申请号：US18696906

申请日：2021-10-01

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon Ho CHO

IPC: H04L27/26 ,  H04L5/00

Abstract: Provided are a DFT-spread OFDM transmitter and transmission method and a DFT-spread OFDM receiver and reception method capable of receiving the transmitted signal with a frequency domain spectrum shaping vector designed to easily trade off PAPR for spectral efficiency without inter-symbol interference, the DFT-spread OFDM transmitter including a phase shifter for generating a pi/2 PAM symbol vector by phase-shifting a symbol vector including M PAM symbols, a DFT spreader for generating a DFT-spread pi/2 PAM symbol vector by spreading the pi/2 PAM symbol vector using an M-point DFT matrix, a frequency domain spectrum shaper for generating a frequency domain spectrum shaped pi/2 PAM symbol vector by multiplying each element of the DFT-spread pi/2 PAM symbol vector by each element of a first shaping vector including one or more zero (0) elements, and a sub-carrier allocator for allocating a non-zero element in the frequency domain spectrum shaped pi/2 PAM symbol vector to a sub-carrier in an allocated frequency range

公开(公告)号：US20180198668A1

公开(公告)日：2018-07-12

申请号：US15863319

申请日：2018-01-05

Applicant: Samsung Electronics Co., Ltd. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

Inventor： Chanhong KIM ,  Jubum KIM ,  Yeohun YUN ,  Joon Ho CHO

IPC: H04L27/34

CPC classification number: H04L27/3411 ,  H04B7/0617 ,  H04B7/0854 ,  H04L27/2614

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). An operation method of a transmitter in a wireless communication system is provided. The method includes applying a filter to data, mapping the data to which the filter is applied to at least one subcarrier, and transmitting the mapped data to a receiver. The filter is determined based on based on the allocated resource.

公开(公告)号：US20210168002A1

公开(公告)日：2021-06-03

申请号：US16636131

申请日：2018-08-03

Applicant: Samsung Electronics Co., Ltd. ,  Postech Academy-Industry Foundation

Inventor： Yeohun YUN ,  Joon Ho CHO ,  Jubum KIM ,  Chanhong KIM ,  Jongbu LIM ,  Sungnam HONG

IPC: H04L27/22

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 of a reception device in a wireless environment according to various embodiments of the present disclosure may include receiving a signal from a transmission device, identifying that the received signal is modulated based on at least one designated modulation scheme of modulation schemes, based on identifying, generating second values by applying a first circular shift of a first direction to first values relating to first symbols of the signal, and generating third values by applying a second circular shift of a second direction which is different from the first direction, to conjugate complex values of the first values, generating second symbols of the signal based at least in part on the second values and the third values, and obtaining data about the signal based at least in part on the second symbols.

公开(公告)号：US20160226956A1

公开(公告)日：2016-08-04

申请号：US15014254

申请日：2016-02-03

Applicant: Samsung Electronics Co., Ltd.

Inventor： Joon Sung HONG ,  Kyung Eun PARK ,  Bong Joo SEO ,  Haebahremahram SUH ,  Ho Jun JAYGAR ,  Eun Jung HYUN ,  Moon Bae SONG ,  Cheol Ho CHEONG ,  Joon Ho CHO

IPC: H04L29/08

CPC classification number: H04L67/10 ,  H04N21/436 ,  H04N21/44218 ,  H04N21/4508

Abstract: An electronic device is provided. The electronic device includes a communication module configured to request from at least one peripheral electronic device to transmit device information, and to receive the device information from the at least one peripheral electronic device. The electronic device also includes a control module configured to analyze attributes of content using content information if a content providing event occurs, to analyze attributes of the at least one peripheral electronic device using the device information and the attributes of the electronic device, and to determine at least one target device to provide the content to a user, according to the result of analyzing the attributes of the content and the result of analyzing the attributes of the electronic device and the at least one peripheral electronic device.

Abstract translation: 提供电子设备。 电子设备包括通信模块，该通信模块被配置为从至少一个外围电子设备请求发送设备信息，并从所述至少一个外围电子设备接收设备信息。 电子设备还包括：控制模块，被配置为如果发生内容提供事件则使用内容信息分析内容的属性，使用设备信息和电子设备的属性分析至少一个外围电子设备的属性，并且确定 根据分析内容的属性和分析电子设备和至少一个外围电子设备的属性的结果的结果，向用户提供内容的至少一个目标设备。