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31. 发明授权

US09179467B2 Network employing space recycling, and a method for managing the network 有权
标题翻译：采用空间回收的网络，以及网络管理方法
公开(公告)号：US09179467B2
公开(公告)日：2015-11-03
申请号：US13384594
申请日：2010-07-16
申请人： Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
发明人： Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
IPC分类号： H04W28/26 , H04W72/08 , H04W16/28 , H04B7/212
CPC分类号： H04W28/26 , H04W16/28 , H04W72/082 , H04W72/1231
摘要： A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
摘要翻译：操作空间复用方案的网络协调器的方法包括：接收用于使用定向天线的目标发射机/接收机对的数据通信的时间段的预留请求，搜索预先保留的另一发射机/ 接收机对，来自作为数据通信的无争用访问周期的信道时间分配周期（CTAP），并且为CTAP中的目标发射机/接收机对保留时间段，使得为目标预留的时间段发射机/接收机对与其他发射机/接收机对预先保留的时间间隔重叠。

32. 发明申请

US20120169374A1 APPARATUS AND METHOD FOR OBTAINING MAXIMUM VALUE AND MINIMUM VALUE IN PLURALITY OF DIGITAL INPUT SIGNALS 失效
标题翻译：获取数字输入信号多项式的最大值和最小值的装置和方法
公开(公告)号：US20120169374A1
公开(公告)日：2012-07-05
申请号：US13339394
申请日：2011-12-29
申请人： Sung Woo CHOI , Woo Yong Lee , Hyun Kyu Chung
发明人： Sung Woo CHOI , Woo Yong Lee , Hyun Kyu Chung
IPC分类号： H03K19/20
CPC分类号： H03K19/23
摘要： The present invention relates to a digital signal processing circuit, and more particularly, to a method and apparatus for generating a maximum value or a minimum value used for designing the digital signal processing circuit. An apparatus for obtaining a maximum value or a minimum value from N digital input signals may include N×W bit processing elements to receive an input of W bits of each of the N digital input signals, W OR operators to receive an input of N operation values output from bit processing elements, and to perform an OR operation, respectively, and W inverters to invert an output value for each of the W OR operators.
摘要翻译：数字信号处理电路技术领域本发明涉及数字信号处理电路，更具体地，涉及一种用于产生用于设计数字信号处理电路的最大值或最小值的方法和装置。用于从N个数字输入信号获得最大值或最小值的装置可以包括N×W位处理元件，以接收每个N个数字输入信号的W位的输入，W或运算符以接收N个操作的输入分别从位处理元件输出的值，并且分别执行或运算，W反相器反转每个W OR运算符的输出值。

33. 发明申请

US20120113975A1 NETWORK EMPLOYING SPACE RECYCLING, AND A METHOD FOR MANAGING THE NETWORK 有权
标题翻译：网络采用空间回收，以及管理网络的方法
公开(公告)号：US20120113975A1
公开(公告)日：2012-05-10
申请号：US13384594
申请日：2010-07-16
申请人： Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
发明人： Kyeongpyo Kim , Seung Eun Hong , Woo Yong Lee , Hyun Kyu Chung
IPC分类号： H04W28/26
CPC分类号： H04W28/26 , H04W16/28 , H04W72/082 , H04W72/1231
摘要： A method of operating a network coordinator for a spatial reuse scheme includes receiving a reservation request for a time period for a data communication of a target transmitter/receiver pair that uses a directional antenna, searching for a time period reserved in advance for another transmitter/receiver pair, from a Channel Time Allocation Period (CTAP) that is a contention-free access period for the data communication, and reserving a time period for the target transmitter/receiver pair in the CTAP, so that the time period reserved for the target transmitter/receiver pair overlaps the time period reserved in advance for the other transmitter/receiver pair.
摘要翻译：操作空间复用方案的网络协调器的方法包括：接收用于使用定向天线的目标发射机/接收机对的数据通信的时间段的预留请求，搜索预先保留的另一发射机/ 接收机对，来自作为数据通信的无争用访问周期的信道时间分配周期（CTAP），并且为CTAP中的目标发射机/接收机对保留时间段，使得为目标预留的时间段发射机/接收机对与其他发射机/接收机对预先保留的时间间隔重叠。

34. 发明申请

US20120082109A1 METHOD AND APPARATUS FOR CONTENTION-BASED CHANNEL ACCESS WITH DIRECTIONAL ANTENNA OVER WIDEBAND HIGH FREQUENCY WIRELESS SYSTEM 有权
标题翻译：用于通过宽带高频无线系统的方向天线的基于信道的信道访问的方法和装置
公开(公告)号：US20120082109A1
公开(公告)日：2012-04-05
申请号：US13252476
申请日：2011-10-04
申请人： Seung Eun HONG , Yong Sun Kim , Woo Yong Lee , Hyun Kyu Chung
发明人： Seung Eun HONG , Yong Sun Kim , Woo Yong Lee , Hyun Kyu Chung
IPC分类号： H04W72/04
CPC分类号： H04W72/0406 , H04W48/08 , H04W48/10 , H04W48/16 , H04W72/04 , H04W72/12 , H04W74/08 , H04W74/0816 , H04W74/085 , H04W74/0891
摘要： Provided are a method of performing contention based channel access by classifying a contention period into a beamformable contention period in which a beamforming is allowed and a non-beamformable contention period in which the beamforming is interrupted so as to resolve an issue regarding channel access occurring due to an introduction of a directional antenna for handling a path loss in a wideband wireless communication system according to an embodiment of the present invention, and a method for maximizing a spatial reuse gain by managing, for each direction, information about a transmission time of a message received from a dispersion device.
摘要翻译：提供了一种通过将争用周期分类为其中允许波束成形的波束形成争用时段和其中中断波束成形的非波束形成争用周期以便解决与正在发生的频道访问有关的问题的方法来执行基于争用的信道接入涉及用于处理根据本发明的实施例的宽带无线通信系统中的路径损耗的定向天线的引入，以及通过针对每个方向管理关于传输时间的信息来最大化空间重用增益的方法从分散设备接收的消息。

35. 发明授权

US08364086B2 Method of cyclic delay diversity with the optimal cyclic delay value, and transmitter performing the same 失效
标题翻译：具有最佳循环延迟值的循环延迟分集方法，以及执行相同延迟分析的发射机
公开(公告)号：US08364086B2
公开(公告)日：2013-01-29
申请号：US12741952
申请日：2008-06-30
申请人： Taegyun Noh , Byung Jang Jeong , Hyun Kyu Chung , Dae Woon Lim , Min Joong Lim , Ho Yun Kim , Yong June Kim
发明人： Taegyun Noh , Byung Jang Jeong , Hyun Kyu Chung , Dae Woon Lim , Min Joong Lim , Ho Yun Kim , Yong June Kim
IPC分类号： H04B1/00 , H04B15/00
CPC分类号： H04L1/206
摘要： Disclosed are an apparatus and method of determining an optimal cyclic delay value. The method of determining the optimal cyclic delay value includes determining a Signal-to-Interference and Noise Ratio (SINR) function depending on a diversity order; determining a channel estimation error variance function; and determining an SINR being required for a system according to the SINR function and the channel estimation error variance function.
摘要翻译：公开了一种确定最佳循环延迟值的装置和方法。确定最佳循环延迟值的方法包括根据分集顺序确定信号与干扰和噪声比（SINR）函数; 确定信道估计误差方差函数; 以及根据SINR功能和信道估计误差方差函数确定系统所需的SINR。

36. 发明授权

US08295156B2 Transmitter for extending guard interval for individual user equipment in OFDMA systems 失效
标题翻译：发射机，用于扩展OFDMA系统中各个用户设备的保护间隔
公开(公告)号：US08295156B2
公开(公告)日：2012-10-23
申请号：US12514409
申请日：2007-10-30
申请人： Taegyun Noh , Minjoong Rim , Byung-Jang Jeong , Hyojin Lee , Hyun Kyu Chung
发明人： Taegyun Noh , Minjoong Rim , Byung-Jang Jeong , Hyojin Lee , Hyun Kyu Chung
IPC分类号： H04J11/00
CPC分类号： H04L27/2607 , H04L27/2636 , H04L27/2644
摘要： Provided is a technology for extending a guard interval for individual user equipment in an OFDMA system. The transmitting apparatus includes: a guard interval extension processor for generating symbols with a guard interval extended by copying a part of a current symbol and pasting the copied part to a last part of a previous symbol; a Fourier Transform (FT) processor for receiving the processed symbols from the guard interval extension processor and performing an FT process on the received processed symbols; an Inverse Fast Fourier Transform (IFFT) processor for performing an IFFT process on the FT processed symbols from the FT processor; a mapping processor for mapping outputs of the FT processor to input points of the IFFT processor to load the FT processed frequency-domain data on corresponding sub-carriers; and a cyclic prefix inserter for inserting a cyclic prefix code to output of the IFFT processor.
摘要翻译：提供了一种在OFDMA系统中扩展个人用户设备的保护间隔的技术。发送装置包括：保护间隔延长处理器，用于生成具有通过复制当前符号的一部分并将复制的部分粘贴到先前符号的最后部分而延长的保护间隔的符号; 傅里叶变换（FT）处理器，用于从所述保护间隔扩展处理器接收所处理的符号，并对所接收的已处理符号执行FT处理; 用于对来自FT处理器的经FT处理的符号执行IFFT处理的反快速傅立叶变换（IFFT）处理器; 映射处理器，用于将FT处理器的输出映射到IFFT处理器的输入点，以将FT处理的频域数据加载到相应的子载波上; 以及用于将循环前缀码插入到IFFT处理器的输出的循环前缀插入器。

37. 发明申请

US20120182836A1 COMMUNICATION SYSTEM USING ULTRASONIC WAVES 审中-公开
标题翻译：使用超声波的通信系统
公开(公告)号：US20120182836A1
公开(公告)日：2012-07-19
申请号：US13496870
申请日：2010-09-17
申请人： Byung-Jae Kwak , Kwang Chun Lee , Hyun Kyu Chung , Nah-Oak Song
发明人： Byung-Jae Kwak , Kwang Chun Lee , Hyun Kyu Chung , Nah-Oak Song
IPC分类号： G01S3/80 , H04B11/00
CPC分类号： H04B11/00
摘要： Disclosed is a technology for performing a communication using an ultrasonic wave in an environment where an electromagnetic shielding is so severe that a wireless communication using an electromagnetic is difficult. In the environment where the electromagnetic shielding is severe, an ultrasonic terminal according to the present invention may transmit the ultrasonic wave using a solid structure as a medium, and an ultrasonic base station may receive the ultrasonic wave using the solid structure as the medium.
摘要翻译：公开了一种在电磁屏蔽严重使得使用电磁波的无线通信困难的环境中使用超声波进行通信的技术。在电磁屏蔽严重的环境中，根据本发明的超声波端子可以使用固体结构作为介质传输超声波，并且超声波基站可以使用固体结构作为介质接收超声波。

38. 发明申请

US20100322109A1 INTERFERENCE MITIGATION METHOD IN CELLULAR SYSTEM BASED ON ORTHOGONAL FREQUENCY DIVISION MULTIPLE ACCESS 失效
标题翻译：基于正交频分多址的细胞系统干扰减缓方法
公开(公告)号：US20100322109A1
公开(公告)日：2010-12-23
申请号：US12866103
申请日：2009-02-04
申请人： Jae Young Ahn , Hyun Kyu Chung
发明人： Jae Young Ahn , Hyun Kyu Chung
IPC分类号： H04W16/12 , H04W40/16
CPC分类号： H04W12/02 , H04B7/06 , H04L5/0016 , H04L5/0023 , H04L5/0026 , H04L5/0062 , H04L5/0073 , H04W52/367
摘要： An inter-cell interference mitigation method in an orthogonal frequency division multiple access (OFDM)-based cellular system includes: dividing wireless resources into a resource group for fractional frequency reuse and a resource group for removing inter-cell interference; and re-dividing the resource group for fractional frequency reuse into particular resource groups numbering the same as a number of cell types of fractional frequency reuse, and applying a maximum transmission power to a particular resource group according to a cell type for fractional frequency reuse.
摘要翻译：在基于正交频分多址（OFDM）的蜂窝系统中的小区间干扰减轻方法包括：将无线资源划分为用于小数频率重用的资源组和用于去除小区间干扰的资源组; 并将分数频率重用的资源组重新划分为与分数次频率重用的小区类型的数量相同的特定资源组，以及根据用于分数频率重用的小区类型向特定资源组应用最大发射功率。

39. 发明申请

US20100217763A1 METHOD FOR AUTOMATIC CLUSTERING AND METHOD AND APPARATUS FOR MULTIPATH CLUSTERING IN WIRELESS COMMUNICATION USING THE SAME 审中-公开
标题翻译：用于自动聚类的方法和方法和装置在无线通信中的多路聚合
公开(公告)号：US20100217763A1
公开(公告)日：2010-08-26
申请号：US12678545
申请日：2008-05-19
申请人： Jae Joon Park , Won Sop Kim , Myung Don Kim , Hyun Kyu Chung , Seong-Cheol Kim , Ja-ho Koo , Namkoo Kang
发明人： Jae Joon Park , Won Sop Kim , Myung Don Kim , Hyun Kyu Chung , Seong-Cheol Kim , Ja-ho Koo , Namkoo Kang
IPC分类号： G06F17/30
CPC分类号： H04B7/0413 , G06K9/6218
摘要： An automatic clustering method using an Average-linkage algorithm and a KPower Means algorithm, and a method and apparatus for multi-path clustering required for a spatial channel modeling (SCM) in a wireless communication environment are provided. The automatic clustering method, including: a first step of obtaining an initial cluster centroid using a hierarchical clustering algorithm; a second step of moving the initial cluster centroid using a two dimensional clustering algorithm; a third step of clustering a data set according to the moved initial cluster centroid; and a fourth step of calculating a validation index with respect to the clustered data set and determining an optimal number of clusters.
摘要翻译：提供了使用平均联动算法和KPower均值算法的自动聚类方法，以及在无线通信环境中为空间信道建模（SCM）所需的多径聚类的方法和装置。自动聚类方法，包括：使用分层聚类算法获得初始聚类中心的第一步; 使用二维聚类算法移动初始聚类中心的第二步; 根据移动的初始聚类质心对数据集进行聚类的第三步骤; 以及第四步骤，相对于所述聚类数据集计算验证索引并确定最佳聚类数。

40. 发明授权

US09048933B2 Radio-frequency transceiving front-end apparatus using passive elements in wireless communication system 有权
标题翻译：无线通信系统中使用无源元件的射频收发前端设备
公开(公告)号：US09048933B2
公开(公告)日：2015-06-02
申请号：US13619967
申请日：2012-09-14
申请人： Heon Kook Kwon , Myung Don Kim , Jae Joon Park , Hyun Kyu Chung
发明人： Heon Kook Kwon , Myung Don Kim , Jae Joon Park , Hyun Kyu Chung
IPC分类号： H04L5/00 , H04J1/00 , H04J3/00 , H04B1/58
CPC分类号： H04B1/525 , H04B1/58
摘要： Disclosed is a radio-frequency front-end apparatus that can be used in wireless communication systems performing transmission/reception by using a single antenna. The radio-frequency transceiving front-end apparatus using passive elements in a wireless communication system includes: a transmitting unit's hybrid coupler configured to divide and output a transmission signal into two outputs having a phase difference of 90°; a first circulator configured to receive a first output of the hybrid coupler through a first terminal thereof and output the received first output through a second terminal thereof; a second circulator configured to receive a second output of the hybrid coupler through a first terminal thereof and output the received second output through a second terminal thereof; and an output unit's hybrid coupler configured to receive transmission signals from the second terminal of the first circulator and the second terminal of the second circulator, and combine and output the received signals.
摘要翻译：公开了可以用于通过使用单个天线执行发送/接收的无线通信系统中的射频前端装置。在无线通信系统中使用无源元件的射频收发前端装置包括：发送单元的混合耦合器，被配置为将发送信号分频并输出为具有90°的相位差的两个输出; 第一循环器，被配置为通过其第一端接收所述混合耦合器的第一输出，并通过其第二端输出所接收的第一输出; 第二循环器，被配置为通过其第一端接收所述混合耦合器的第二输出，并通过其第二端输出所接收的第二输出; 以及输出单元的混合耦合器，被配置为从第一循环器的第二端子和第二循环器的第二端子接收传输信号，并且组合并输出接收的信号。

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