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1. 发明授权

US10708818B2 Apparatus and method for transmitting and receiving signal in a mobile communication system 有权
公开(公告)号：US10708818B2
公开(公告)日：2020-07-07
申请号：US13206886
申请日：2011-08-10
申请人： Eun-Yong Kim , June Moon , Chung-Ryul Chang , Young-Ky Kim , Eun-Seok Ko
发明人： Eun-Yong Kim , June Moon , Chung-Ryul Chang , Young-Ky Kim , Eun-Seok Ko
IPC分类号： H04W28/08 , H04W88/08
摘要： Apparatuses and methods for transmitting and receiving signals in a mobile communication system are provided. A method for transmitting a signal by an evolved Node B (eNB) in a mobile communication system includes transmitting a same control channel signal to each of a plurality of Radio Units (RUs), and transmitting a different data channel signal to each of the plurality of RUs. A data channel signal transmitted to each of the plurality of RUs may be determined taking into account at least one of a location of a User Equipment (UE) that will receive the data channel signal, and load balancing.

2. 发明授权

US08189706B2 Apparatus and method for generating per stream effective signal to noise ratio in a multiple-input multiple-output wireless communication system 有权
标题翻译：用于在多输入多输出无线通信系统中产生每流有效信噪比的装置和方法
公开(公告)号：US08189706B2
公开(公告)日：2012-05-29
申请号：US12186160
申请日：2008-08-05
申请人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
发明人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
IPC分类号： H04B7/02
CPC分类号： H04L25/0204 , H04L1/0003 , H04L25/0224 , H04L25/0242 , H04L27/0008
摘要： In the present invention, an apparatus and a method for generating feedback information for a Maximum Likelihood (ML) detection scheme in a Multiple-Input Multiple-Output (MIMO) wireless communication system are provided. An apparatus of the invention includes a generator for generating constellation difference points by converting a constellation domain representing values of symbols into a constellation difference domain representing values of distance between symbols, a calculator for calculating per stream Symbol Error Rates (SERs) using the constellation difference points, and a determiner for determining per stream Effective Signal to Noise Ratios (ESNRs) using the per stream SER.
摘要翻译：在本发明中，提供了一种用于在多输入多输出（MIMO）无线通信系统中产生用于最大似然（ML）检测方案的反馈信息的装置和方法。本发明的装置包括一个发生器，用于通过将表示符号值的星座域转换为表示符号之间的距离值的星座差异域来产生星座差分点，用于计算每个流的符号误差率（SER），使用星座差点和确定每个流的有效信噪比（ESNR）使用每流SER。

3. 发明申请

US20090097586A1 Apparatus and method for hybrid automatic repeat request (HARQ) in wireless communication system 有权
标题翻译：无线通信系统中混合自动重传请求（HARQ）的装置和方法
公开(公告)号：US20090097586A1
公开(公告)日：2009-04-16
申请号：US12287104
申请日：2008-10-06
申请人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
发明人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
IPC分类号： H04B7/02
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0639 , H04L25/0204 , H04L25/0224 , H04L25/0242
摘要： A Multiple-Input Multiple-Output (MIMO) wireless communication system is provided. A receiving end includes a selector for selecting at least one stream for a MultiUser (MU) mode; a first generator for generating per stream channel quality information for the at least one selected stream as at least one candidate for channel information for the MU mode; and a determiner for determining one per stream channel quality information of the candidates as channel information for the MU mode.
摘要翻译：提供了多输入多输出（MIMO）无线通信系统。接收端包括用于为多用户（MU）模式选择至少一个流的选择器; 第一发生器，用于生成用于所述至少一个所选流的每流信道质量信息，作为所述MU模式的信道信息的至少一个候选; 以及确定器，用于确定候选的一个每个流信道质量信息作为MU模式的信道信息。

4. 发明授权

US08184752B2 Apparatus and method for hybrid automatic repeat request (HARQ) in wireless communication system 有权
标题翻译：无线通信系统中混合自动重传请求（HARQ）的装置和方法
公开(公告)号：US08184752B2
公开(公告)日：2012-05-22
申请号：US12287104
申请日：2008-10-06
申请人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
发明人： Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho , Eun-Yong Kim
IPC分类号： H03D1/04 , H03D1/06 , H03K5/01 , H03K6/04 , H04B1/10 , H04L1/00 , H04L25/08
CPC分类号： H04B7/0417 , H04B7/063 , H04B7/0639 , H04L25/0204 , H04L25/0224 , H04L25/0242
摘要： A Multiple-Input Multiple-Output (MIMO) wireless communication system is provided. A receiving end includes a selector for selecting at least one stream for a MultiUser (MU) mode; a first generator for generating per stream channel quality information for the at least one selected stream as at least one candidate for channel information for the MU mode; and a determiner for determining one per stream channel quality information of the candidates as channel information for the MU mode.
摘要翻译：提供了多输入多输出（MIMO）无线通信系统。接收端包括用于为多用户（MU）模式选择至少一个流的选择器; 第一发生器，用于生成用于所述至少一个所选流的每流信道质量信息，作为所述MU模式的信道信息的至少一个候选; 以及确定器，用于确定候选的一个每个流信道质量信息作为MU模式的信道信息。

5. 发明申请

US20110182375A1 METHOD AND APPARATUS FOR SCHEDULING IN MULTIPLE-INPUT MULTIPLE-OUTPUT COMMUNICATION SYSTEM 有权
标题翻译：多输入多输出通信系统调度方法与装置
公开(公告)号：US20110182375A1
公开(公告)日：2011-07-28
申请号：US13011603
申请日：2011-01-21
申请人： Eun-Yong Kim , Eun-Seok Ko
发明人： Eun-Yong Kim , Eun-Seok Ko
IPC分类号： H04L27/28
CPC分类号： H04W72/0426 , H04L5/0023 , H04L5/0091 , H04W72/046 , H04W72/1231
摘要： In a Multiple-Input Multiple-Output (MIMO) communication system, a serving evolved Node B (eNB) receives a channel covariance matrix of the serving eNB and a channel covariance matrix for a first neighbor eNB with the highest interference among neighbor eNBs, from a User Equipment (UE). Received signal power information is generated for each subband-beam pair. Interference signal power information is generated for each subband-beam pair for the first neighbor eNB. The generated interference signal power information is exchanged with the first neighbor eNB for each subband-beam pair. Beam coordination information indicating a use status of each beam in each subband is generated for the UE, using the interference signal power information of the first neighbor eNB. The generated beam coordination information is exchanged with the neighbor eNB. Scheduling is performed on the UE using the generated beam coordination information and the beam coordination information of the first neighbor eNB.
摘要翻译：在多输入多输出（MIMO）通信系统中，服务演进节点B（eNB）接收服务eNB的信道协方差矩阵和相邻eNB之间具有最高干扰的第一邻居eNB的信道协方差矩阵，来自用户设备（UE）。为每个子带束对生成接收信号功率信息。为第一相邻eNB的每个子带束对生成干扰信号功率信息。所生成的干扰信号功率信息与第一相邻eNB相互交换用于每个子带束对。使用第一相邻eNB的干扰信号功率信息为UE生成指示每个子带中的每个波束的使用状态的波束协调信息。生成的波束协调信息与邻居eNB进行交换。使用生成的波束协调信息和第一相邻eNB的波束协调信息在UE上执行调度。

6. 发明申请

US20100048233A1 Apparatus and method for selecting precoding matrix in multiple antenna wireless communication system 有权
标题翻译：在多天线无线通信系统中选择预编码矩阵的装置和方法
公开(公告)号：US20100048233A1
公开(公告)日：2010-02-25
申请号：US12583417
申请日：2009-08-20
申请人： Yu-Seok Kim , Eun-Yong Kim , Yung-Soo Kim , Sang-Min Lee , Eun-Seok Ko
发明人： Yu-Seok Kim , Eun-Yong Kim , Yung-Soo Kim , Sang-Min Lee , Eun-Seok Ko
IPC分类号： H04B15/00
CPC分类号： H04W4/20
摘要： A Mobile Station (MS) is operable to select a precoding matrix in a multi-antenna wireless communication system. The method includes receiving, from a serving Base Station (BS), information on a precoding matrix of which use is prohibited and a precoding matrix to be used by a neighbor BS, estimating an interference signal for the precoding matrix to be used by the neighbor BS, and selecting a precoding matrix to be used by the serving BS by considering the estimated interference signal from the remaining precoding matrixes except for the precoding matrix of which use is prohibited among precoding matrixes used by the serving BS.
摘要翻译：移动站（MS）可操作以在多天线无线通信系统中选择预编码矩阵。该方法包括从服务基站（BS）接收关于禁止使用的预编码矩阵的信息和由邻居BS使用的预编码矩阵，估计由邻居使用的预编码矩阵的干扰信号 BS，并且通过考虑来自剩余的预编码矩阵的估计干扰信号，并且由服务BS使用的预编码矩阵，除了由服务BS使用的预编码矩阵之中禁止使用的预编码矩阵之外，选择预编码矩阵。

7. 发明申请

US20090195455A1 Apparatus and method for beamforming in a multi-antenna system 有权
标题翻译：多天线系统中波束成形的装置和方法
公开(公告)号：US20090195455A1
公开(公告)日：2009-08-06
申请号：US12322587
申请日：2009-02-04
申请人： Eun-Yong Kim , Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho
发明人： Eun-Yong Kim , Eun-Seok Ko , Yung-Soo Kim , Myeon-Kyun Cho
IPC分类号： H01Q3/00
CPC分类号： H04B7/0617 , H04B7/0626 , H04B7/086
摘要： An apparatus and method for beamforming in a multi-antenna system are provided. The method includes assuming at least one codeword comprised in a codebook as a precoding weight of a reference receive end and generating post-processing weights of at least two receive ends, confirming a codeword maximizing a sum rate using the post-processing weights, generating preceding weights of the receive ends using the codeword maximizing the sum rate, and precoding a transmit signal using the generated precoding weights and transmitting the precoded transmit signal to each receive end.
摘要翻译：提供了一种用于多天线系统中的波束成形的装置和方法。该方法包括将码本中包含的至少一个码字作为参考接收端的预编码权重，并且生成至少两个接收端的后处理权重，使用后处理权重确认码字最大化和速率，生成前接收端的权重使用最大化和速率的码字，并且使用所生成的预编码权重对发送信号进行预编码，并将预编码的发送信号发送到每个接收端。

8. 发明授权

US08948281B2 Method and apparatus for scheduling in multiple-input multiple-output communication system 有权
标题翻译：多输入多输出通信系统调度方法及装置
公开(公告)号：US08948281B2
公开(公告)日：2015-02-03
申请号：US13011603
申请日：2011-01-21
申请人： Eun-Yong Kim , Eun-Seok Ko
发明人： Eun-Yong Kim , Eun-Seok Ko
IPC分类号： H04L27/28 , H04W72/04 , H04L5/00 , H04W72/12
CPC分类号： H04W72/0426 , H04L5/0023 , H04L5/0091 , H04W72/046 , H04W72/1231
摘要： In a Multiple-Input Multiple-Output (MIMO) communication system, a serving evolved Node B (eNB) receives a channel covariance matrix of the serving eNB and a channel covariance matrix for a first neighbor eNB with the highest interference among neighbor eNBs, from a User Equipment (UE). Received signal power information is generated for each subband-beam pair. Interference signal power information is generated for each subband-beam pair for the first neighbor eNB. The generated interference signal power information is exchanged with the first neighbor eNB for each subband-beam pair. Beam coordination information indicating a use status of each beam in each subband is generated for the UE, using the interference signal power information of the first neighbor eNB. The generated beam coordination information is exchanged with the neighbor eNB. Scheduling is performed on the UE using the generated beam coordination information and the beam coordination information of the first neighbor eNB.
摘要翻译：在多输入多输出（MIMO）通信系统中，服务演进节点B（eNB）接收服务eNB的信道协方差矩阵和相邻eNB之间具有最高干扰的第一邻居eNB的信道协方差矩阵，来自用户设备（UE）。为每个子带束对生成接收信号功率信息。为第一相邻eNB的每个子带束对生成干扰信号功率信息。所生成的干扰信号功率信息与第一相邻eNB相互交换用于每个子带束对。使用第一相邻eNB的干扰信号功率信息为UE生成指示每个子带中的每个波束的使用状态的波束协调信息。生成的波束协调信息与邻居eNB进行交换。使用生成的波束协调信息和第一相邻eNB的波束协调信息在UE上执行调度。

9. 发明授权

US08472566B2 Apparatus and method for transmitting pilot signal in wireless communication system 有权
标题翻译：在无线通信系统中发送导频信号的装置和方法
公开(公告)号：US08472566B2
公开(公告)日：2013-06-25
申请号：US12424898
申请日：2009-04-16
申请人： Eun-Seok Ko , Eun-Yong Kim , Yung-Soo Kim
发明人： Eun-Seok Ko , Eun-Yong Kim , Yung-Soo Kim
IPC分类号： H04L27/06 , H04L25/02 , H04L5/00 , H04B7/04 , H04B7/02 , H04B7/08
CPC分类号： H04L25/0202 , H04B7/024 , H04B7/0408 , H04B7/0413 , H04B7/0452 , H04B7/0617 , H04B7/0851 , H04B7/086 , H04L5/0007 , H04L5/0048
摘要： An apparatus and method for reducing pilot overhead in a multi-antenna system are provided. The method generates postcodes and pre-codes for streams used to transmit signals to at least two receivers. The method allocates a pilot signal to at least one of the streams, and allocates an additional pilot signal shared by at least one of the streams. The method precodes the pilot signal allocated to at least one of the streams, the additional pilot signal, and data to be transmitted to each of the receivers, based on the pre-code for each of the streams, prior to transmission.
摘要翻译：提供了一种用于减少多天线系统中的导频开销的装置和方法。该方法为用于将信号发送到至少两个接收机的流产生后代码和预编码。该方法将导频信号分配给至少一个流，并且分配由至少一个流共享的附加导频信号。在传输之前，该方法基于每个流的预编码来对分配给至少一个流的导频信号，附加导频信号和要发送到每个接收机的数据进行预编码。

10. 发明授权

US08422426B2 Apparatus and method for calibration for cooperative multiple input multiple output in a wireless communication system 有权
标题翻译：无线通信系统中用于协作多输入多输出的校准装置和方法
公开(公告)号：US08422426B2
公开(公告)日：2013-04-16
申请号：US12791573
申请日：2010-06-01
申请人： Eun-Seok Ko , Keun-Chul Hwang , Eun-Yong Kim
发明人： Eun-Seok Ko , Keun-Chul Hwang , Eun-Yong Kim
IPC分类号： H04W4/00
CPC分类号： H04B7/024 , H04B7/0417 , H04W52/46
摘要： A method and apparatus for multi-cell calibration in a wireless communication system supporting cooperative Multiple Input Multiple Output (MIMO) are provided. Operations of a Base Station (BS) according to the method include transmitting a first message indicating a start of multi-cell sounding calibration to a reference Mobile Station (MS); estimating an uplink channel matrix of the reference MS using pilot symbols received from the reference MS; transmitting pilot symbols for enabling the reference MS to estimate a downlink channel matrix; when receiving downlink channel information of cooperative BSs from the reference MS, transmitting second messages comprising the downlink channel information to the cooperative BSs; and determining a multi-cell calibration matrix using the uplink channel matrix and the downlink channel information received from the reference MS.
摘要翻译：提供了一种支持协作多输入多输出（MIMO）的无线通信系统中多小区校准的方法和装置。根据该方法的基站（BS）的操作包括向参考移动站（MS）发送指示多小区发声校准开始的第一消息; 使用从所述参考MS接收的导频符号来估计所述参考MS的上行链路信道矩阵; 发送用于使所述参考MS能够估计下行链路信道矩阵的导频符号; 当从参考MS接收到协作BS的下行链路信道信息时，向合作BS发送包括下行链路信道信息的第二消息; 以及使用从所述参考MS接收的所述上行链路信道矩阵和所述下行链路信道信息来确定多小区校准矩阵。

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