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    Method and apparatus for detecting radio signal
    2.
    发明授权
    Method and apparatus for detecting radio signal 有权
    用于检测无线电信号的方法和装置

    公开(公告)号：US08947998B2

    公开(公告)日：2015-02-03

    申请号：US13718810

    申请日：2012-12-18

    Applicant: LG Electronics Inc. ,  Postech Academy-Industry Foundation

    Inventor： Ki Jun Kim ,  Joon Ho Cho ,  Byung Wook Han

    IPC: H04J11/00 ,  H04W72/04 ,  H04L5/00 ,  H04L25/03 ,  H04L27/26

    CPC classification number: H04W72/04 ,  H04L5/0044 ,  H04L25/03828 ,  H04L27/2634 ,  H04W72/0453

    Abstract: In an aspect, a method for transmitting data in a wireless communication system is provided. A wireless device determines a subcarrier and a subcarrier group to which a data sequence is allocated. The wireless device modulates the data sequence by a transmit filter to generate a data stream. A waveform of the transmit filter is determined based on the subcarrier and the subcarrier group. The wireless device generates a transmission signal based on the data stream. The wireless device transmits the transmission signal through the subcarrier. The transmission signal is cyclostationary.

    Abstract translation: 一方面，提供一种在无线通信系统中发送数据的方法。 无线设备确定分配了数据序列的子载波和子载波组。 无线设备通过发送过滤器来调制数据序列以生成数据流。 发送滤波器的波形基于子载波组和子载波组确定。 无线设备基于数据流生成发送信号。 无线装置通过副载波发送发送信号。 传输信号是循环平稳的。

    Method and apparatus of transmitting data based on frequency hopping
    3.
    发明授权
    Method and apparatus of transmitting data based on frequency hopping 有权
    基于跳频发送数据的方法和装置

    公开(公告)号：US09065552B2

    公开(公告)日：2015-06-23

    申请号：US14259880

    申请日：2014-04-23

    Applicant: LG ELECTRONICS INC. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

    Inventor： Ki Jun Kim ,  Joon Ho Cho ,  Yeo Hun Yun ,  Jeong Ho Yeo ,  Min Uk Kim ,  Eun Ae Lee ,  Ju Bum Kim

    IPC: H04B1/00 ,  H04B1/713 ,  H04B1/707

    CPC classification number: H04B1/713 ,  H04B1/707 ,  H04L5/0012 ,  H04L5/0037 ,  H04L27/2636

    Abstract: A method of transmitting a signal based on multi-stream CPDMA may include: allocating a plurality of data symbols to each of a plurality of data streams based on a frequency hopping pattern; applying a DFT function and a M-times repetition function to the data symbol allocated to the each of the plurality of data streams; applying a spectral weighting vector to the each of the plurality of data streams applying the DFT function and the M-times repetition function; and generating the signal based on the multi-stream CPDMA by performing an IDFT function and a cyclic prefix adding procedure with respect to the plurality of data streams to which the spectral weighting vector is applied, in which the spectral weighting vector is a vector for determining a frequency band in which the each of the plurality of data streams is used.

    Abstract translation: 基于多流CPDMA发送信号的方法可以包括：基于跳频图案向多个数据流中的每一个分配多个数据符号; 将DFT功能和M次重复功能应用于分配给所述多个数据流中的每一个的数据符号; 对应用DFT函数和M次重复函数的多个数据流中的每一个应用频谱加权向量; 以及通过针对应用了频谱加权向量的多个数据流执行IDFT功能和循环前缀添加过程来生成基于多流CPDMA的信号，其中频谱加权向量是用于确定的矢量 使用多个数据流中的每一个的频带。

    Method and apparatus for transforming data symbol for interference avoidance
    5.
    发明授权
    Method and apparatus for transforming data symbol for interference avoidance 有权
    用于转换用于避免干扰的数据符号的方法和装置

    公开(公告)号：US09276681B2

    公开(公告)日：2016-03-01

    申请号：US14259989

    申请日：2014-04-23

    Applicant: LG ELECTRONICS INC. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

    Inventor： Ki Jun Kim ,  Joon Ho Cho ,  Yeo Hun Yun ,  Min Uk Kim ,  Ju Bum Kim

    IPC: H04B15/00 ,  H04B7/04 ,  H04L25/03

    CPC classification number: H04B15/00 ,  H04B7/0413 ,  H04L25/03343

    Abstract: Disclosed are a method and an apparatus for transforming a data symbol for interference avoidance. The method for transforming a data symbol includes; dividing a plurality of proper data symbols into a plurality of data streams; granting individual spectral weightings to the plurality of respective data streams; combining the plurality of data streams granted with the individual spectral weightings into one final data stream; performing inverse discrete Fourier transform (IDFT) of the final data stream; and adding a cyclic prefix (CP) to the plurality of data streams that is subjected to the IDFT, wherein each of the plurality of data streams granted with the individual spectral weightings include an improper data symbol.

    Abstract translation: 公开了一种用于变换用于避免干扰的数据符号的方法和装置。 用于变换数据符号的方法包括： 将多个适当的数据符号划分成多个数据流; 向所述多个相应的数据流授予个体频谱权重; 将授权的多个数据流与各个频谱权重组合成一个最终数据流; 执行最终数据流的逆离散傅里叶变换（IDFT）; 以及向经受所述IDFT的所述多个数据流中添加循环前缀（CP），其中，所述多个数据流中的每一个被授予各个频谱权重包括不正确的数据符号。

    Method and apparatus of interference alignment in cellular network
    6.
    发明授权
    Method and apparatus of interference alignment in cellular network 有权
    蜂窝网络中干扰对齐的方法和装置

    公开(公告)号：US09184895B2

    公开(公告)日：2015-11-10

    申请号：US14259965

    申请日：2014-04-23

    Applicant: LG ELECTRONICS INC. ,  POSTECH ACADEMY-INDUSTRY FOUNDATION

    Inventor： Ki Jun Kim ,  Joon Ho Cho ,  Yeo Hun Yun ,  Min Uk Kim ,  Ju Bum Kim

    IPC: H04L5/00 ,  H04B7/04 ,  H04B7/06

    CPC classification number: H04L5/0073 ,  H04B7/0456 ,  H04B7/0617

    Abstract: Disclosed are a method and an apparatus of interference alignment in a cellular network. The method of interference alignment in the cellular network includes: receiving, by a base station, an improper signal from a terminal; and decoding, by the base station, the improper signal based on an improper decoding vector, wherein the improper signal is a signal generated by only a modulation symbol corresponding to a real number value, the improper decoding vector is determined based on an improper precoding vector, and the improper precoding vector has only the real value and separates a real number space and an imaginary number space of a received signal.

    Abstract translation: 公开了一种蜂窝网络中干扰对准的方法和装置。 蜂窝网络中的干扰对准方法包括：由基站从终端接收不正确的信号; 并且由基站对基于不正确解码矢量的不正确信号进行解码，其中不正确信号是仅由对应于实数值的调制符号产生的信号，根据不正确的预编码矢量确定不正确的解码矢量 ，不正确的预编码矢量仅具有实际值，并且分离接收信号的实数空间和虚数空间。

    Device and method for processing received signal in wireless communication system
    7.
    发明授权
    Device and method for processing received signal in wireless communication system 有权

    公开(公告)号：US11283657B2

    公开(公告)日：2022-03-22

    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 complex conjugate 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.

    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL USING VARIABLE OBSERVATION LENGTH IN MULTICARRIER SYSTEM USING NON-ORTHOGONAL TRANSMISSION SIGNAL
    8.
    发明申请
    METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING SIGNAL USING VARIABLE OBSERVATION LENGTH IN MULTICARRIER SYSTEM USING NON-ORTHOGONAL TRANSMISSION SIGNAL 有权
    使用非正交发射信号在多用户系统中使用可变观测长度发射和接收信号的方法和装置

    公开(公告)号：US20160269209A1

    公开(公告)日：2016-09-15

    申请号：US15069919

    申请日：2016-03-14

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

    Inventor： Chanhong Kim ,  Jubum Kim ,  Joon Ho Cho

    IPC: H04L27/26 ,  H04L5/00

    CPC classification number: H04L27/265 ,  H04L25/03159 ,  H04L27/264 ,  H04L27/36

    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 and apparatus for transmitting and receiving signals using a variable observation length in a multi-carrier system using the non-orthogonal transmission signal. A receiver performs fast Fourier transform on reception vectors contained in the signal, equalizes the fast Fourier transformed reception vectors by a 1-tap zero forcing equalizer, and applies a reception filter based on the observation length to the equalized reception vectors. A transmitter includes a transceiver configured to transmit and receive a signal, and a controller configured to cause the transceiver to transmit an indicator for a Modulation and Coding Scheme (MCS) level to a receiver based on a channel state, and transmit a signal applied with the MCS level to the receiver.

    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）。 一种使用非正交传输信号在多载波系统中使用可变观测长度发射和接收信号的方法和装置。 接收机对包含在信号中的接收矢量进行快速傅里叶变换，通过1抽头强制均衡器对快速傅里叶变换的接收矢量进行均衡，并将基于观测长度的接收滤波器应用于均衡接收矢量。 发射机包括被配置为发送和接收信号的收发机，以及控制器，被配置为使得所述收发器基于信道状态向接收机发送用于调制和编码方案（MCS）电平的指示符，并且发送施加 MCS级别到接收机。

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