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公开(公告)号：US09693357B2
公开(公告)日：2017-06-27
申请号：US14258099
申请日：2014-04-22
Inventor： Yunhee Cho , Seok Seo , Jae Su Song , Seung-Hwan Lee
CPC classification number: H04W72/082 , H04W16/04 , H04W72/0486
Abstract: In a cellular communication system including a plurality of cells, a resource allocation apparatus of a base station determines a resource division ratio of a present resource frame using a traffic load of a plurality of cells that are measured for an immediately preceding resource frame and marginal utility of each partition, divides a present resource frame into a plurality of partitions according to the determined resource division ratio, and allocates a plurality of partitions to a user.
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公开(公告)号：US08976916B2
公开(公告)日：2015-03-10
申请号：US14145110
申请日：2013-12-31
Inventor： Seok Seo , Hyung-Jung Kim , Jin Up Kim
CPC classification number: H04L25/08 , H04B1/0007 , H04B1/005 , H04B1/0053 , H04L27/2659
Abstract: Disclosed is a dual band receiver which includes an analog-to-digital converter configured to convert a dual band analog RF signal into a dual baseband digital signal; and a first signal extractor configured to generate a first path signal and a second path signal from the dual baseband signal and to extract a first baseband signal using a relative sample delay difference between the first and second path signals, wherein the dual baseband signal includes the first baseband signal and a second baseband signal, the first path signal is a signal obtained by sample delay of the dual baseband signal and then down sampling of a resultant signal, and the second path signal is a signal obtained by down sampling of the dual baseband signal without sample delay.
Abstract translation: 公开了一种双频带接收机，其包括被配置为将双频带模拟RF信号转换成双基带数字信号的模数转换器; 以及第一信号提取器，被配置为从所述双基带信号生成第一路径信号和第二路径信号，并且使用所述第一和第二路径信号之间的相对采样延迟差来提取第一基带信号，其中所述双基带信号包括 第一基带信号和第二基带信号，第一路径信号是通过双基带信号的采样延迟获得的信号，然后对合成信号进行下采样，并且第二路径信号是通过双基带信号的下采样获得的信号 信号无采样延迟。
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公开(公告)号：US09197401B2
公开(公告)日：2015-11-24
申请号：US14542842
申请日：2014-11-17
Inventor： Seok Seo , Jinup Kim , Seung-Hwan Lee
CPC classification number: H04L7/0087 , H04B1/0007 , H04B1/0057 , H04L7/0033 , H04L25/05 , H04L25/06 , H04L27/0002
Abstract: A multi-band receiver according to an embodiment of the present invention includes an analog-to-digital converter configured to convert multi-band analog radio signals into a digital baseband signal, and a first signal extracting unit configured to generate a first path signal by changing a sampling rate of the digital baseband signal and sample-delaying the digital baseband signal, and generate a second path signal by bypassing the digital baseband signal, wherein the first signal extracting unit extracts a first baseband signal using a group delay difference between the first and second path signals caused by a sample delay difference between the first and second path signals.
Abstract translation: 根据本发明实施例的多频带接收机包括被配置为将多频带模拟无线电信号转换为数字基带信号的模数转换器，以及第一信号提取单元，被配置为通过以下方式产生第一路径信号： 改变数字基带信号的采样率并采样延迟数字基带信号，并通过绕过数字基带信号产生第二路径信号，其中第一信号提取单元使用第一信号提取单元提取第一基带信号， 以及由第一和第二路径信号之间的采样延迟差引起的第二路径信号。
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Patent Agency Ranking
公开(公告)号：US09100148B2
公开(公告)日：2015-08-04
申请号：US14090756
申请日：2013-11-26
Inventor： Yunhee Cho , Jae Su Song , Seok Seo , Seung-Hwan Lee
CPC classification number: H04L5/003 , H04B7/2643 , H04L5/0046 , H04L5/0073 , H04W16/10 , H04W24/00 , H04W28/08
Abstract: A dynamic resource allocating apparatus of a first base station that manages a first cell in a cellular communication system including the first cell and a plurality of cells adjacent to the first cell determines time resource division vector in which one time resource division period is formed of a plurality of time division intervals and calculates time resource division vector for maximizing utilities of user terminals in a set up objective function to update the time resource division vector. Among the plurality of time division intervals, a first time division interval is operated by a time resource reuse coefficient 1 for user terminals positioned in center regions of a first cell and a plurality of adjacent cells, and the remaining time division intervals excluding the first time division interval are operated by a time resource reuse coefficient n for user terminals positioned at edges of the first cell and the plurality of adjacent cells.
Abstract translation: 在包括第一小区和与第一小区相邻的多个小区的蜂窝通信系统中管理第一小区的第一基站的动态资源分配装置确定时间资源划分向量，其中一个时间资源分配周期由 计算多个时分间隔，并且计算用于在设置目标函数中最大化用户终端的实用程度的时间资源划分向量，以更新时间资源划分向量。 在多个时分间隔中，对于位于第一小区和多个相邻小区的中心区域的用户终端，通过时间资源重用系数1对第一时分间隔进行操作，并且除第一时间之外的剩余分时间隔 分区间隔由位于第一小区和多个相邻小区边缘的用户终端的时间资源重用系数n来操作。
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公开(公告)号：US10038479B2
公开(公告)日：2018-07-31
申请号：US15597286
申请日：2017-05-17
Inventor： Seok Seo , Hyung Jin Kim , Jae Su Song , Jung Hoon Oh , Seong Chul Cho
CPC classification number: H04B7/0417 , H04B7/088 , H04L1/0631 , H04L25/0204 , H04L25/0256 , H04W72/0446 , H04W72/046
Abstract: A receiving device and method using a single RF chain includes a reception antenna module radiating a plurality of orthogonal beam patterns to receive a signal, a single RF chain processing a reception signal from the reception antenna module, a signal component extracting unit extracting a reception signal component corresponding to each beam pattern using the reception signal received through the reception antenna module and the single RF chain and a code value previously allocated to the plurality of beam patterns, and a beam pattern controller controlling a beam pattern radiated by the reception antenna module.
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公开(公告)号：US09641361B2
公开(公告)日：2017-05-02
申请号：US14542846
申请日：2014-11-17
Inventor： Seok Seo , Jinup Kim , Seung-Hwan Lee
CPC classification number: H04L25/08 , H04B1/0021 , H04L25/05
Abstract: Provided is a wireless signal receiver including: an analog-digital converter (ADC) converting an analog RF signal into a digital baseband signal; and a sub-sampling block dividing and processing the digital baseband signal into a first path signal and a second path signal, and extracting a complex baseband signal by using a relative sample delay difference between the first and second path signals, wherein the first path signal is a signal obtained by adjusting a sample delay and sampling rate of the digital baseband signal, and the second path signal is a signal obtained by filtering without adjusting the sampling rate of the digital baseband signal.
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公开(公告)号：US09577737B2
公开(公告)日：2017-02-21
申请号：US15061218
申请日：2016-03-04
Inventor： Jae Su Song , Seok Seo , Yun Hee Cho , Seung Hwan Lee , Seong Chul Cho
CPC classification number: H04B7/086 , H01Q3/446 , H01Q19/32 , H01Q21/205 , H04B7/0491 , H04B7/0848
Abstract: Provided is an antenna apparatus equipped with a single RF chain. The antenna apparatus includes: a combiner configured to divide omnidirectional space into N sectors to perform a sector sweep, combine a reception signal received via the single RF chain for each sector and calculate a gain of a composite signal; a comparator configured to determine a gain magnitude of the composite signal; and a controller configured to perform a beam-forming according to a comparison result of the gain magnitude of the comparator.
Abstract translation: 提供了配备有单个RF链的天线装置。 天线装置包括：组合器，被配置为将全向空间划分成N个扇区以执行扇区扫描，组合经由每个扇区经由单个RF链接收的接收信号，并计算复合信号的增益; 比较器，被配置为确定复合信号的增益幅度; 以及控制器，被配置为根据比较器的增益幅度的比较结果来执行波束形成。
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公开(公告)号：US09112670B2
公开(公告)日：2015-08-18
申请号：US14086571
申请日：2013-11-21
Inventor： Jae Su Song , Seok Seo , Yunhee Cho , Seung-Hwan Lee
IPC: H04L5/00 , H04B17/345
CPC classification number: H04L5/0073 , H04B17/345 , H04L5/0037 , H04L5/0044 , H04L5/006 , H04L5/0069 , H04L5/0076
Abstract: A dynamic resource allocating apparatus of a first base station managing a first cell in a cellular communication system calculates an interference metric of each user terminal received by each user terminal from a plurality of neighboring cells, calculates a coupling factor between the first base station and each neighboring base station of each neighboring cell by using the interference metric and a load of each user terminal, calculates available cell boundary resources of neighboring cells by using the coupling factor with respect to each neighboring base station, and allocates resources by using the cell boundary resources allocated to the first cell and the available cell boundary resources of the neighboring cells.
Abstract translation: 管理蜂窝通信系统中的第一小区的第一基站的动态资源分配装置从多个相邻小区计算每个用户终端接收的每个用户终端的干扰度量，计算第一基站与每个用户终端之间的耦合因子 通过使用每个用户终端的干扰度量和负载来计算每个相邻小区的相邻基站，通过使用相对于每个相邻基站的耦合因子来计算相邻小区的可用小区边界资源，并且通过使用小区边界资源来分配资源 分配给相邻小区的第一小区和可用小区边界资源。
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