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公开(公告)号：US20140341259A1
公开(公告)日：2014-11-20
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
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。
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公开(公告)号：US20130157600A1
公开(公告)日：2013-06-20
申请号：US13718874
申请日：2012-12-18
Applicant: LG Electronics Inc. , Postech Academy-Industry Foundation
Inventor： Ki Jun KIM , Jeong Ho YEO , Joon Ho CHO
IPC: H04W24/02
CPC classification number: H04W24/02 , H04L27/0006 , H04L27/22 , H04L27/2678
Abstract: A method for detecting a radio signal in a wireless communication system is provided. According to the method, a wireless device measures an input signal received by a RF unit of. The wireless device eliminates a duplicated part between the input signal and a complex conjugate signal of the input signal to generate a filtered signal. The wireless device determines whether a target signal exists in the input signal based on the filtered signal.
Abstract translation: 提供了一种用于在无线通信系统中检测无线电信号的方法。 根据该方法，无线设备测量由RF单元接收的输入信号。 无线设备消除了输入信号和输入信号的复共轭信号之间的复制部分，以产生滤波信号。 无线设备基于滤波信号确定输入信号中是否存在目标信号。
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公开(公告)号：US20150036599A1
公开(公告)日：2015-02-05
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
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。
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公开(公告)号：US20130155831A1
公开(公告)日：2013-06-20
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: H04W72/04
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。
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Patent Agency Ranking
5.发明申请公开(公告)号：US20150043443A1
公开(公告)日：2015-02-12
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
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。
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6.发明申请公开(公告)号：US20130329659A1
公开(公告)日：2013-12-12
申请号：US13912053
申请日：2013-06-06
Applicant: Postech Academy-Industry Foundation , LG Electronics Inc.
Inventor： Ki Jun KIM , Min Uk KIM , Jeong Ho YEO , Young Yun KANG , Yeo Hun YUN , Joon Ho CHO
IPC: H04W72/04
CPC classification number: H04W72/04 , H04J11/0036 , H04L5/00 , H04L5/003 , H04L5/0037 , H04L25/00 , H04L25/03834 , H04L27/2636 , H04L27/2691 , H04W72/10
Abstract: A method for transmitting data streams by a transmitter in a wireless communication system is provided. The transmitter performs Fourier transform for a data stream to generate a transformed stream. The transmitter repeats the transformed stream to generate a repeated stream. The transmitter maps the repeated stream on a plurality of subcarriers to generate a transmission signal. The transmitter transmits the transmission signal to a receiver. The plurality of subcarriers are selected by starting from a subcarrier having a predetermined index and hopping at a subcarrier interval.
Abstract translation: 提供了一种在无线通信系统中由发射机发送数据流的方法。 发射机对数据流进行傅立叶变换以产生变换流。 发射机重复转换的流以产生重复的流。 发射机在多个子载波上映射重复流以产生传输信号。 发射机将发射信号发射到接收机。 通过从具有预定索引的子载波开始并以子载波间隔跳频来选择多个子载波。
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7.发明申请公开(公告)号：US20130100933A1
公开(公告)日：2013-04-25
申请号：US13656345
申请日：2012-10-19
Applicant: LG ELECTRONICS INC. , POSTECH ACADEMY-INDUSTRY FOUNDATION
Inventor： Ki Jun KIM , Joon Ho CHO , Yeo Hun YUN
CPC classification number: H04L5/0007 , H04L5/0064 , H04L5/0075 , H04W52/281 , H04W52/367 , H04W72/0466 , H04W72/048
Abstract: A method for allocating resources in a wireless communication system is provided. A base station receives a maximum transmission power from a first wireless device. The base station allocates a resource to the first wireless device based on a ratio of the maximum transmission power to a maximum available resource.
Abstract translation: 提供了一种用于在无线通信系统中分配资源的方法。 基站从第一无线设备接收最大传输功率。 基站基于最大发送功率与最大可用资源的比率向第一无线设备分配资源。
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8.发明申请公开(公告)号：US20180198668A1
公开(公告)日：2018-07-12
申请号：US15863319
申请日：2018-01-05
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.
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公开(公告)号：US20210168002A1
公开(公告)日：2021-06-03
申请号：US16636131
申请日：2018-08-03
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.
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