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131. 发明授权

US08411698B2 Power saving method in wireless communication system 有权
标题翻译：无线通信系统节电方式
公开(公告)号：US08411698B2
公开(公告)日：2013-04-02
申请号：US13458940
申请日：2012-04-27
申请人： Il-Gu Lee , Sok-Kyu Lee , Hyun-Kyu Chung , Dae-Sik Kim
发明人： Il-Gu Lee , Sok-Kyu Lee , Hyun-Kyu Chung , Dae-Sik Kim
IPC分类号： H04L12/28
CPC分类号： H04W52/262 , H04B7/0626 , H04L1/1671 , H04W52/0216 , H04W52/0219 , H04W52/0229 , Y02D70/00 , Y02D70/142 , Y02D70/26
摘要： A method and apparatus of accessing a channel in a wireless local area network is provided. A destination station receives a request to send (RTS) frame to allocate a network allocation vector from a source station over a first bandwidth and transmits a clear to send (CTS) frame over a second bandwidth to the source station in response to the RTS frame. The second bandwidth is dynamically determined when a first parameter has a predetermined value.
摘要翻译：提供了一种在无线局域网中访问信道的方法和装置。目的站接收请求发送（RTS）帧，以便通过第一带宽从源站分配网络分配向量，并响应于RTS帧向源站发送第二带宽的清除发送（CTS）帧。当第一参数具有预定值时动态地确定第二带宽。

132. 发明授权

US08392782B2 Apparatus and method for processing auto repeat request in multiple input multiple output system 有权
标题翻译：在多输入多输出系统中处理自动重复请求的装置和方法
公开(公告)号：US08392782B2
公开(公告)日：2013-03-05
申请号：US12745736
申请日：2008-06-13
申请人： Yunjoo Kim , Yoo-Seung Song , Jee-Yon Choi , Hyungu Park , Sok-Kyu Lee , Kyounghee Song
发明人： Yunjoo Kim , Yoo-Seung Song , Jee-Yon Choi , Hyungu Park , Sok-Kyu Lee , Kyounghee Song
IPC分类号： G06F11/00
CPC分类号： H04L5/0023 , H04L1/06 , H04L1/1893 , H04L5/0044 , H04L5/0064
摘要： Provided are an apparatus and method for processing an ARQ in a MIMO system. The apparatus includes a storing unit for storing reordering thresholds of each receiving terminal and retransmission data; a priority managing unit for assigning a priority to a plurality of antenna groups in ascending order of a bit error rate of a wireless channel of each antenna group and managing the plurality of antenna groups based on the priorities; a data transmitting unit for transmitting retransmission data; and a controlling unit for controlling the data transmitting unit to transmit retransmission data within a range not exceeding a reordering threshold of a corresponding receiving terminal sequentially using an antenna group having the highest priority first.
摘要翻译：提供了一种在MIMO系统中处理ARQ的装置和方法。该装置包括存储单元，用于存储每个接收终端的重新排序阈值和重传数据; 优先管理单元，用于按照每个天线组的无线信道的误比特率的升序向多个天线组分配优先级，并且基于优先级来管理多个天线组; 数据发送单元，用于发送重发数据; 以及控制单元，用于控制数据发送单元在不超过相应接收终端的重排序阈值的范围内，使用首先具有最高优先级的天线组来顺序发送重传数据。

133. 发明申请

US20120320896A1 METHOD FOR SENDING/RECEIVING DATA IN A WIRELESS PACKET COMMUNICATION SYSTEM IN WHICH THERE IS SIMULTANEOUS COMMUNICATION WITH VARIOUS TERMINALS 有权
标题翻译：用于在具有各种端子的同时通信的无线分组通信系统中发送/接收数据的方法
公开(公告)号：US20120320896A1
公开(公告)日：2012-12-20
申请号：US13596328
申请日：2012-08-28
申请人： Jeeyon CHOI , Sok-Kyu Lee
发明人： Jeeyon CHOI , Sok-Kyu Lee
IPC分类号： H04W84/12
CPC分类号： H04L12/18 , H04B5/00 , H04B7/0452 , H04L1/0083 , H04L1/1887 , H04L5/0055 , H04L2001/0093 , H04W84/12 , H04W88/08
摘要： A method and apparatus for transmitting a frame to at least one receiver in a wireless communication system is provided. The apparatus determines at least one data length in accordance with each receiver based on a number of symbol for the frame to be transmitted, determines a maximum data length among the at least one data length, and determines a length of the frame in time domain based on the maximum data length. The apparatus generates the frame in accordance with the length of the frame, the frame including a first signal field and at least one second signal field. The first signal field indicates the length of the frame and each second signal field indicates each data length.
摘要翻译：提供了一种用于在无线通信系统中向至少一个接收机发送帧的方法和装置。该装置根据每个接收机基于要发送的帧的符号的数量来确定至少一个数据长度，确定至少一个数据长度之间的最大数据长度，并确定基于时域的帧的长度在最大数据长度上。该装置根据帧的长度生成帧，该帧包括第一信号字段和至少一个第二信号字段。第一信号字段指示帧的长度，每个第二信号字段指示每个数据长度。

134. 发明授权

US08331473B2 MIMO antenna receiving apparatus and receiving method 有权
标题翻译： MIMO天线接收装置和接收方法
公开(公告)号：US08331473B2
公开(公告)日：2012-12-11
申请号：US12238082
申请日：2008-09-25
申请人： Minho Cheong , Yu-Ro Lee , Jong-Ee Oh , Sok-Kyu Lee
发明人： Minho Cheong , Yu-Ro Lee , Jong-Ee Oh , Sok-Kyu Lee
IPC分类号： H04B7/02
CPC分类号： H04B7/0417 , H04L1/0631
摘要： Provided is a reception apparatus and method of a Multiple Input Multiple Output (MIMO) system that receives a plurality of different data streams in a multiple cell environment. The reception apparatus for receiving a plurality of different data streams in a multiple input multiple output (MIMO) antenna system includes a data stream detector for detecting each data stream by removing interference between the different data streams while maintaining channel information; and a cochannel interference (CCI) remover for removing cochannel interference from each data stream detected in the data stream detector. The present invention can remove cochannel interference and increase channel capacity to thereby acquire both diversity gain and multiplexing gain.
摘要翻译：提供了一种在多小区环境中接收多个不同数据流的多输入多输出（MIMO）系统的接收装置和方法。用于在多输入多输出（MIMO）天线系统中接收多个不同数据流的接收装置包括：数据流检测器，用于通过在保持信道信息的同时消除不同数据流之间的干扰来检测每个数据流; 以及用于从数据流检测器中检测到的每个数据流去除同信道干扰的同信道干扰（CCI）去除器。本发明可以消除同信道干扰并增加信道容量，从而获得分集增益和复用增益。

135. 发明授权

US08295195B2 Apparatus and method for discriminating frame format in wireless communication system 失效
标题翻译：在无线通信系统中识别帧格式的装置和方法
公开(公告)号：US08295195B2
公开(公告)日：2012-10-23
申请号：US12642167
申请日：2009-12-18
申请人： Chanho Yoon , Il-Gu Lee , Jung-Bo Son , Sok-Kyu Lee
发明人： Chanho Yoon , Il-Gu Lee , Jung-Bo Son , Sok-Kyu Lee
IPC分类号： H04L12/26 , H04J3/16
CPC分类号： H04L1/0038 , H04L5/0007 , H04L27/0012 , H04L27/2666
摘要： A frame format discrimination method in a wireless communication system is provided. The frame format discrimination method includes: calculating a power of an in-phase signal and a power of a quadrature signal in a predetermined section of a frame; comparing the power of the in-phase signal with the power of the quadrature signal; and determining the format of the frame in accordance with the comparison result.
摘要翻译：提供了一种无线通信系统中的帧格式辨别方法。帧格式识别方法包括：在帧的预定部分中计算同相信号的功率和正交信号的功率; 将同相信号的功率与正交信号的功率进行比较; 以及根据比较结果确定帧的格式。

136. 发明申请

US20120263126A1 APPARATUS AND METHOD FOR TRANSMITTING/RECEIVING DATA IN COMMUNICATION SYSTEM 有权
标题翻译：用于在通信系统中发送/接收数据的装置和方法
公开(公告)号：US20120263126A1
公开(公告)日：2012-10-18
申请号：US13446448
申请日：2012-04-13
申请人： Jee-Yon CHOI , Jae-Seung Lee , Jong-Ee Oh , Sok-Kyu Lee
发明人： Jee-Yon CHOI , Jae-Seung Lee , Jong-Ee Oh , Sok-Kyu Lee
IPC分类号： H04W72/04
CPC分类号： H04B7/0617 , H04B7/0417 , H04B7/0639 , H04B7/0643 , H04W48/16 , H04W84/12
摘要： Disclosed are an apparatus and a method for transmitting/receiving data by acquiring channel information of a terminal receiving data in a communication system providing services to users through beamforming according to a multi-input multi-output (MIMO) scheme, wherein so as to acquire channel information of the terminal for transmitting/receiving data through the beamforming according to the MIMO scheme, a null data packet announcement (NDPA) frame and a null data packet (NDP) frame are transmitted to the terminal, the beamforming frame is received from the terminal as a response of the null data packet announcement frame and the null data packet frame, and the channel information of the terminal included in the beamforming frame and the indication information on which the null data packet frame included in a control information field of the beamforming frame is normally received are checked.
摘要翻译：公开了一种通过获取通过根据多输入多输出（MIMO）方案通过波束形成向用户提供服务的通信系统中的接收数据的终端的信道信息来发送/接收数据的装置和方法，其中，通过根据MIMO方案的波束形成发送/接收数据的终端的信道信息，空值数据分组通知（NDPA）帧和空数据分组（NDP）帧被发送到终端，波束形成帧从终端作为空数据分组公告帧和空数据分组帧的响应，以及包括在波束成形帧中的终端的信道信息和包括在波束形成的控制信息字段中的空数据分组帧的指示信息正常接收的帧被检查。

137. 发明申请

US20120236840A1 METHOD FOR PROTECTING DATA IN A MU-MIMO BASED WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于在基于MU-MIMO的无线通信系统中保护数据的方法
公开(公告)号：US20120236840A1
公开(公告)日：2012-09-20
申请号：US13511363
申请日：2010-11-24
申请人： Yun-Joo Kim , Jae-Seung Lee , Sok-Kyu Lee
发明人： Yun-Joo Kim , Jae-Seung Lee , Sok-Kyu Lee
IPC分类号： H04W84/12
CPC分类号： H04B7/0452 , H04W74/0816
摘要： The present invention relates to a method for protecting MU-MIMO (Multi User-Multiple Input Multiple Output) data through a multi-RTS/CTS frame exchange in a MU-MIMO based wireless communication system. The method of the present invention comprises: a process where an indicator for VHT data protection is added to an RTS frame, using the structure of an RTS/CTS frame for an existing legacy terminal during the multi RTS/CTS frame exchange; a process where an access point designates and then transmits the duration period of the RTS frame while transmitting the RTS frame; and a process where wireless terminals up to the (n-1)th terminal designate the duration period of the CTS frame as ‘0’ and send the designated duration period, while only the n-th wireless terminal designates NAV for data protection.
摘要翻译：本发明涉及在基于MU-MIMO的无线通信系统中通过多RTS / CTS帧交换来保护MU-MIMO（多用户多输入多输出）数据的方法。本发明的方法包括：在多RTS / CTS帧交换期间，使用RTS / CTS帧的结构为现有的传统终端，将用于VHT数据保护的指示符添加到RTS帧的过程; 其中接入点指定然后在发送RTS帧的同时发送RTS帧的持续时间段的过程; 以及直到第（n-1）个终端的无线终端将CTS帧的持续时间指定为“0”并发送指定的持续时间的过程，而仅第n个无线终端指定用于数据保护的NAV。

138. 发明申请

US20120163360A1 APPARATUS AND METHOD FOR SUPPORTING ACCESS IN COMMUNICATION SYSTEM 有权
标题翻译：支持通信系统访问的装置和方法
公开(公告)号：US20120163360A1
公开(公告)日：2012-06-28
申请号：US13336869
申请日：2011-12-23
申请人： Minho CHEONG , Sok-Kyu Lee
发明人： Minho CHEONG , Sok-Kyu Lee
IPC分类号： H04W74/00
CPC分类号： H04W48/16 , H04W48/20
摘要： Disclosed are an apparatus and a method for supporting access for a multi user to perform communication through a multi node by efficiently using a multi channel in a communication system of a multi user environment having the multi node, in which bands usable by STAs that intend to access an access point are searched in a multi channel; a transmission band for packet transmission is determined in the searched usable bands; and access to the access point is supported through the determined transmission band, and the transmission band is determined by performing ad-hoc through an ad-hoc media access control (MAC) protocol in the searched usable bands.
摘要翻译：公开了一种用于支持多用户的访问以通过在具有多个节点的多用户环境的通信系统中有效地使用多信道来通过多节点执行通信的装置和方法，其中可用于STA的可用频带在多频道中搜索接入点; 在所搜索的可用频带中确定分组传输的传输频带; 并且通过确定的传输频带来支持对接入点的接入，并且通过在所搜索的可用频带中的自组织媒体接入控制（MAC）协议来执行ad-hoc来确定传输频带。

139. 发明申请

US20120155424A1 COMMUNICATIONS DEVICE AND METHOD IN A HIGH-CAPACITY WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：高容量无线通信系统中的通信设备和方法
公开(公告)号：US20120155424A1
公开(公告)日：2012-06-21
申请号：US13391904
申请日：2010-08-24
申请人： Yun-Joo Kim , Jong-Ee Oh , Sok-Kyu Lee
发明人： Yun-Joo Kim , Jong-Ee Oh , Sok-Kyu Lee
IPC分类号： H04W72/04 , H04W56/00
CPC分类号： H04W72/046 , H04L5/0037 , H04W84/12
摘要： The present invention relate to a wireless communication system; and, more particularly, to a communicating apparatus and method in a high rate wireless communication system.A transmitting method of data in accordance with an embodiment of the present invention, as a transmitting method of data in a high rate wireless communication system, includes: allocating one or more bands among two or more multi-bands to each of users; and simultaneously transmitting data through the allocated bands to two or more users by using the multiple antennas for the allocated respective bands.
摘要翻译：无线通信系统技术领域本发明涉及一种无线通信系统，更具体地，涉及一种在高速率无线通信系统中的通信装置和方法。作为高速率无线通信系统中的数据的发送方法的本发明的一个实施方式的发送数据的发送方法，包括：在两个以上的多个频带中分配一个以上的频带; 并且通过使用分配的各个频带的多个天线同时将数据通过所分配的频带发送到两个或多个用户。

140. 发明授权

US08121234B2 Multi-dimensional detector for receiver of MIMO system 失效
标题翻译： MIMO系统接收机的多维检测器
公开(公告)号：US08121234B2
公开(公告)日：2012-02-21
申请号：US12178150
申请日：2008-07-23
申请人： Yu-Ro Lee , Jong-Ee Oh , Minho Cheong , Sok-Kyu Lee
发明人： Yu-Ro Lee , Jong-Ee Oh , Minho Cheong , Sok-Kyu Lee
IPC分类号： H04B7/10
CPC分类号： H04L27/2647 , H04B7/0413 , H04L25/061 , H04L25/067
摘要： Provided are a multi-dimensional detector for a receiver of an MIMO system and a method thereof. The multi-dimensional detector includes a first symbol detecting unit for calculating symbol distance values using an upper triangular matrix (R) obtained from QR decomposition to detect an mth symbol; a symbol deciding unit for deciding a symbol having a minimum distance value among the calculated symbol distance values from the first symbol detecting unit; and a second symbol detecting unit for calculating symbol distance values using an updated received signal y and the upper triangular matrix R to detect a (m−1)th symbol.
摘要翻译：提供了一种用于MIMO系统的接收机的多维检测器及其方法。多维检测器包括：第一符号检测单元，用于使用从QR分解获得的上三角矩阵（R）来计算符号距离值以检测第m个符号; 符号判定单元，用于从所述第一符号检测单元确定所计算的符号距离值中具有最小距离值的符号; 以及第二符号检测单元，用于使用更新的接收信号y和上三角矩阵R来计算符号距离值以检测第（m-1）个符号。

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