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1. 发明申请

US20090041152A1 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个流动有效信号到噪声比的装置和方法
公开(公告)号：US20090041152A1
公开(公告)日：2009-02-12
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： H04L27/28
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。

2. 发明申请

US20090262846A1 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射引导信号的装置和方法
公开(公告)号：US20090262846A1
公开(公告)日：2009-10-22
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： H04L27/28
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。

3. 发明申请

US20120039172A1 APPARATUS AND METHOD FOR TRANSMITTING AND RECEIVING SIGNAL IN A MOBILE COMMUNICATION SYSTEM 审中-公开
标题翻译：用于在移动通信系统中发送和接收信号的装置和方法
公开(公告)号：US20120039172A1
公开(公告)日：2012-02-16
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
CPC分类号： H04W28/08 , H04W88/085
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.
摘要翻译：提供了一种用于在移动通信系统中发送和接收信号的装置和方法。一种用于在移动通信系统中由演进节点B（eNB）发送信号的方法包括向多个无线单元（RU）中的每一个传输相同的控制信道信号，并向多个无线单元（RU）中的每一个发送不同的数据信道信号的RU。可以考虑到将接收数据信道信号的用户设备（UE）的位置和负载平衡中的至少一个来确定发送到多个RU中的每一个的数据信道信号。

4. 发明申请

US20100303015A1 APPARATUS AND METHOD FOR CALIBRATION FOR COOPERATIVE MULTIPLE INPUT MULTIPLE OUTPUT IN A WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：无线通信系统中合作多输入多输出校准的装置和方法
公开(公告)号：US20100303015A1
公开(公告)日：2010-12-02
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： H04W88/08 , H04L27/28
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。

5. 发明申请

US20100298006A1 APPARATUS AND METHOD FOR REDUCING INTER-CELL INTERFERENCE IN WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：用于减少无线通信系统中的小区间干扰的装置和方法
公开(公告)号：US20100298006A1
公开(公告)日：2010-11-25
申请号：US12783853
申请日：2010-05-20
申请人： Eun-Seok KO , Tak-Ki YU , Eun-Yong KIM
发明人： Eun-Seok KO , Tak-Ki YU , Eun-Yong KIM
IPC分类号： H04W72/00
CPC分类号： H04B7/022
摘要： An apparatus and a method for beamforming in a wireless communication using a Base Station (BS) cooperative scheme are provided. The beamforming method includes exchanging channel status information with at least one cooperative BS which provides a BS cooperative service, generating a beamforming weight based on the channel status information, determining channel variation caused by a time delay in the channel status information exchange with the cooperative BS, updating the generated beamforming weight based on the channel variation, and precoding a transmit signal based on the updated beamforming weight.
摘要翻译：提供了一种使用基站（BS）协作方案在无线通信中进行波束成形的装置和方法。波束形成方法包括：与提供BS协作服务的至少一个协作BS交换信道状态信息，基于信道状态信息生成波束成形加权，确定由与协作BS的信道状态信息交换中的时间延迟引起的信道变化基于信道变化来更新所生成的波束成形权重，并且基于更新的波束形成权重对发送信号进行预编码。

6. 发明申请

US20100238889A1 APPARATUS AND METHOD FOR REDUCING INTER-CELL INTERFERENCE IN MULTIPLE INPUT MULTIPLE OUTPUT SYSTEM 有权
标题翻译：用于减少多输入多输出系统中的细胞间干扰的装置和方法
公开(公告)号：US20100238889A1
公开(公告)日：2010-09-23
申请号：US12727614
申请日：2010-03-19
申请人： Eun-Yong KIM , Yu-Seok KIM , Sang-Min LEE , Eun-Seok KO
发明人： Eun-Yong KIM , Yu-Seok KIM , Sang-Min LEE , Eun-Seok KO
IPC分类号： H04W72/00
CPC分类号： H04L5/0091 , H04L5/0023 , H04L5/0037 , H04L25/03343 , H04L2025/03414 , H04L2025/03426 , H04L2025/03802
摘要： An apparatus and method for operating a Codebook Subset Pattern (CSP) of a Base Station (BS) in a Multiple Input Multiple Output (MIMO) system are provided. The method includes determining whether there is a CSP-updated BS among the BS and adjacent BSs, exchanging the updated CSP between cells if it is determined that there is a CSP-updated BS, and broadcasting the CSP of each cell acquired through the exchange thereby reducing an inter-cell interference in the MIMO system
摘要翻译：提供了一种用于在多输入多输出（MIMO）系统中操作基站（BS）的码本子集模式（CSP）的装置和方法。该方法包括确定在BS和相邻BS之间是否存在CSP更新的BS，如果确定存在CSP更新的BS，并且广播通过交换获得的每个小区的CSP，则在小区之间交换更新的CSP，从而减少MIMO系统中的小区间干扰

7. 发明申请

US20100318871A1 APPARATUS AND METHOD FOR RESOURCE ALLOCATION INFORMATION TRANSMISSION IN MOBILE COMMUNICATION SYSTEM 有权
标题翻译：移动通信系统资源分配信息传输的装置和方法
公开(公告)号：US20100318871A1
公开(公告)日：2010-12-16
申请号：US12797843
申请日：2010-06-10
申请人： Sang-Min LEE , Eun-Yong KIM , Joon-Young CHO , Ju-Ho LEE , Tak-Ki YU
发明人： Sang-Min LEE , Eun-Yong KIM , Joon-Young CHO , Ju-Ho LEE , Tak-Ki YU
IPC分类号： H04B7/00 , H04L1/18 , G06F11/14
CPC分类号： H04W72/0406 , H04L1/001 , H04L1/0038 , H04L1/1812 , H04L1/1816 , H04L1/1854 , H04L5/0037 , H04L5/0044 , H04L5/0053 , H04L27/2601
摘要： An apparatus and method for resource allocation information transmission is provided. The method includes determining a search space for use in a second frequency band using resource allocation information of a first process detected in a first frequency band, detecting resource allocation information using the search space in the second frequency band, and when failing to decode received data according to the resource allocation information detected in the second frequency band, re-detecting resource allocation information of the first process in the second frequency band in a first time interval using the search space without detecting the resource allocation information of the first process in the first frequency band.
摘要翻译：提供了一种用于资源分配信息传输的装置和方法。该方法包括使用在第一频带中检测到的第一进程的资源分配信息来确定在第二频带中使用的搜索空间，使用第二频带中的搜索空间检测资源分配信息，以及当不能解码接收到的数据时根据在第二频带中检测到的资源分配信息，使用搜索空间在第一时间间隔内重新检测第二频带中的第一处理的资源分配信息，而不检测第一处理中的第一处理的资源分配信息频带。

8. 发明申请

US20090040959A1 METHOD AND SYSTEM FOR RETRANSMITTING DATA IN A COMMUNICATION SYSTEM 审中-公开
标题翻译：用于在通信系统中重新调整数据的方法和系统
公开(公告)号：US20090040959A1
公开(公告)日：2009-02-12
申请号：US12185460
申请日：2008-08-04
申请人： Young-Ho JUNG , Eun-Yong KIM , Jung-Hoon CHEON
发明人： Young-Ho JUNG , Eun-Yong KIM , Jung-Hoon CHEON
IPC分类号： H04H20/71 , H04B7/26
CPC分类号： H04L1/1867 , H04L1/1877 , H04L2001/0093
摘要： A method and system for retransmitting data in a communication system are provided. In the retransmission method, a BS determines an automatic retransmission number for a multicast data frame according to the number of MSs of a multicast group, transmits the determined automatic retransmission number to the MSs of the multicast group, and repeatedly transmits the multicast data frame to the MSs until the number of transmissions of the multicast data frame is equal to the automatic retransmission number, irrespective of reception of information indicating whether the multicast data frame has been received from the MSs. Accordingly, resource consumption can be reduced and overhead can be decreased.
摘要翻译：提供了一种用于在通信系统中重传数据的方法和系统。在重传方法中，BS根据多播组的MS的个数确定组播数据帧的自动重发次数，将确定的自动重发次数发送给组播组的MS，并重复发送组播数据帧无论接收到指示是否已经从MS接收到多播数据帧的信息，直到多播数据帧的传输数量等于自动重发次数的MS。因此，可以减少资源消耗并降低开销。

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