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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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2.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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3.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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4.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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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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Patent Agency Ranking
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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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：US20200259694A1
公开(公告)日：2020-08-13
申请号：US16860785
申请日：2020-04-28
Applicant: LG ELECTRONICS INC.
Inventor： Jung Hoon LEE , Dae Won LEE , Ki Jun KIM , Joon Kui AHN
Abstract: A method performed by a wireless device, includes processing information bits used for data transmission in a cell, and generating a reference signal sequence based on a cell identifier of the cell. Further, a device includes a data processor configured to process information bits used for data transmission in a cell, and a reference signal generator configured to generate a reference signal sequence based on a cell identifier of the cell.
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公开(公告)号：US20190273594A1
公开(公告)日：2019-09-05
申请号：US16410696
申请日：2019-05-13
Applicant: LG ELECTRONICS INC.
Inventor： Han Byul SEO , Byoung Hoon KIM , Ki Jun KIM , Hak Seong KIM
Abstract: A method performed by a user equipment (UE) in a wireless communication system, includes receiving a sounding reference signal (SRS) configuration via a radio resource control (RRC) signaling, the SRS configuration indicating a subframe configured for SRS transmission; and transmitting an SRS based on the SRS configuration, wherein the SRS configuration includes an indicator indicating whether an aperiodic SRS transmission or a periodic SRS transmission is performed in the subframe configured for SRS transmission, wherein, if the indicator indicates that the aperiodic SRS transmission is performed, the SRS is aperiodically transmitted in the configured subframe in response to reception of request information for requesting a transmission of the SRS, and wherein, if the indicator indicates that the periodic SRS transmission is performed, the SRS is periodically transmitted in the configured subframe.
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10.发明申请公开(公告)号：US20180241534A1
公开(公告)日：2018-08-23
申请号：US15962699
申请日：2018-04-25
Applicant: LG ELECTRONICS INC.
Inventor： Dong Wook ROH , Bong Hoe KIM , Joon Kui AHN , Yu Jin NOH , Dong Youn SEO , Ki Jun KIM
CPC classification number: H04L5/0057 , H04B7/0417 , H04B7/0626 , H04B7/063 , H04B7/0639 , H04B7/066 , H04L1/0026 , H04L1/0029 , H04L5/001 , H04L27/2601 , H04W72/02 , H04W72/0413 , H04W72/085
Abstract: A method for generating a channel quality indicator (CQI) in a mobile communication system is presented. The method includes grouping a number of subcarriers to form at least one channel quality indicator subband for generating a channel quality indicator, and generating a channel quality indicator in each channel quality indicator subband, wherein a size of each channel quality indicator subband is dependent on a system bandwidth value and is an integer multiple of a downlink frequency resource unit size, wherein the downlink frequency resource unit size is prescribed according to the system bandwidth value.
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