公开(公告)号：US20090154405A1

公开(公告)日：2009-06-18

申请号：US12129007

申请日：2008-05-29

申请人： Jee-Yon CHOI ,  Yoo-Seung SONG ,  Yun-Joo KIM ,  Hyun-Gu PARK ,  Kwhang-Hyun RYU ,  Sok-Kyu LEE

发明人： Jee-Yon CHOI ,  Yoo-Seung SONG ,  Yun-Joo KIM ,  Hyun-Gu PARK ,  Kwhang-Hyun RYU ,  Sok-Kyu LEE

IPC分类号： H04Q7/00

CPC分类号： H04W72/1278 ,  H04W28/20

摘要： Provided are a MAC method and a method for transmitting data using the same in a WLAN. The MAC method includes: transmitting a bandwidth scheduling report frame for informing information on downlinks and uplinks allocated to a terminal by including the bandwidth scheduling report frame in one of the downlinks where the bandwidth scheduling report frame includes a plurality of downlinks, a plurality of uplinks, and a plurality of short uplinks and the number of the plurality of downlinks is equal to the number of the plurality of uplinks; receiving a bandwidth request frame for requesting bandwidth allocation through one of the uplinks; and allocating a bandwidth to each of the terminals by an unit of the downlink and the uplink.

摘要翻译： 提供了一种MAC方法和一种用于在WLAN中发送数据的方法。 MAC方法包括：通过在带宽调度报告帧包括多个下行链路的下行链路之一中包括带宽调度报告帧来发送用于通知分配给终端的下行链路和上行链路的信息的带宽调度报告帧，多个上行链路 和多个短上行链路，并且多个下行链路的数量等于多个上行链路的数量; 接收用于通过所述上行链路之一请求带宽分配的带宽请求帧; 并且通过下行链路和上行链路的单元向每个终端分配带宽。

公开(公告)号：US20100118816A1

公开(公告)日：2010-05-13

申请号：US12615813

申请日：2009-11-10

申请人： Jee-Yon CHOI ,  Yoo-Seung SONG ,  Yun-Joo KIM ,  Hyun-Gu PARK ,  Sok-Kyu LEE

发明人： Jee-Yon CHOI ,  Yoo-Seung SONG ,  Yun-Joo KIM ,  Hyun-Gu PARK ,  Sok-Kyu LEE

IPC分类号： H04W72/12

CPC分类号： H04W72/1231 ,  H04L5/0023

摘要： An apparatus for transmitting in a wireless communication system includes: a frame generating unit configured to generate a frame based on user data and to transmit the frame and frame information; a scheduling unit configured to generate a schedule of the frames to be transmitted on a frame-by-frame basis based on the frame information and to transmit the schedule; and a data matching unit configured to match the frames based on the schedule so as to transmit the frames at a time.

摘要翻译： 一种用于在无线通信系统中发送的装置，包括：帧生成单元，被配置为基于用户数据生成帧并发送帧和帧信息; 调度单元，被配置为基于所述帧信息逐帧地生成要发送的帧的调度，并发送所述调度; 以及数据匹配单元，被配置为基于所述调度来匹配所述帧，以便一次发送所述帧。

公开(公告)号：US20090141679A1

公开(公告)日：2009-06-04

申请号：US12129897

申请日：2008-05-30

申请人： Yoo-Seung SONG ,  Jee-Yon CHOI ,  Hyun-Gu PARK ,  Yun-Joo KIM ,  Kyoung-Hee SONG ,  Sok-Kyu LEE

发明人： Yoo-Seung SONG ,  Jee-Yon CHOI ,  Hyun-Gu PARK ,  Yun-Joo KIM ,  Kyoung-Hee SONG ,  Sok-Kyu LEE

IPC分类号： H04Q7/00

CPC分类号： H04B7/2656 ,  H04W99/00

摘要： A method for forming a frame in a wireless communication system is provided. In the method, a plurality of preamble symbols are disposed. Then, a signal symbol is disposed at a predetermined position among the plurality of preamble symbols. At least one of data symbols is disposed after the plurality of preamble symbols.

摘要翻译： 提供了一种在无线通信系统中形成帧的方法。 在该方法中，设置多个前导符号。 然后，信号符号被布置在多个前导码符号之间的预定位置处。 在多个前导码符号之后设置至少一个数据符号。

公开(公告)号：US20090154334A1

公开(公告)日：2009-06-18

申请号：US12131617

申请日：2008-06-02

申请人： Yu-Ro LEE ,  Byung-Chan KIM ,  Minho CHEONG ,  Chanho YOON ,  Je-Hun LEE ,  Kwhang-Hyun RYU ,  Cheol-Jung KIM ,  Tae-Hyun JEON ,  Sok-Kyu LEE

发明人： Yu-Ro LEE ,  Byung-Chan KIM ,  Minho CHEONG ,  Chanho YOON ,  Je-Hun LEE ,  Kwhang-Hyun RYU ,  Cheol-Jung KIM ,  Tae-Hyun JEON ,  Sok-Kyu LEE

IPC分类号： H04J11/00

CPC分类号： H04L25/0246 ,  H04L25/03006 ,  H04L2025/03414 ,  H04L2025/03426

摘要： Provided are a QR decomposition apparatus and method for a MIMO system. The QR decomposition apparatus includes: a norm calculator for calculating a vector size norm for a channel input; a Q column calculator for calculating a column value of a unitary matrix Q by multiplying a delayed channel input with √{square root over (norm)}; an R row calculator for receiving the delayed channel input, the output of the Q column calculator, and 1/√{square root over (norm)}, and calculating a row value of an upper triangular matrix R; a Q update calculator for receiving the delayed channel input, the output of the R row calculator, and a delayed output of the Q column calculator, and calculating a Q update matrix value; and a norm update calculator for receiving a delayed output of the norm calculator and an output of the R row calculator, and outputting a norm update matrix value.

摘要翻译： 提供了一种用于MIMO系统的QR分解装置和方法。 QR分解装置包括：用于计算信道输入的矢量大小范数的范数计算器; Q列计算器，用于通过将延迟的信道输入与{平方根超过（norm）}相乘来计算酉矩阵Q的列值; 用于接收延迟信道输入的R行计算器，Q列计算器的输出和1 /√{平方根超过（norm）}，并计算上三角矩阵R的行值; 用于接收延迟信道输入，R行计算器的输出和Q列计算器的延迟输出的Q更新计算器，并计算Q更新矩阵值; 以及范数更新计算器，用于接收范数计算器的延迟输出和R行计算器的输出，并输出范数更新矩阵值。

公开(公告)号：US20090154427A1

公开(公告)日：2009-06-18

申请号：US12241921

申请日：2008-09-30

申请人： II-Gu LEE ,  Hun-Sik KANG ,  Minho CHEONG ,  Yoo-Seung SONG ,  Sok-Kyu LEE

发明人： II-Gu LEE ,  Hun-Sik KANG ,  Minho CHEONG ,  Yoo-Seung SONG ,  Sok-Kyu LEE

IPC分类号： H04B7/216

CPC分类号： H04B7/04 ,  H04L27/2626 ,  H04L27/2647 ,  H04L27/2657 ,  H04L27/2662 ,  H04L27/2675

摘要： Provided are a transmitter and receiver for a high throughput wireless communication system using a multiple antenna, a method thereof, and a digital intermediate frequency (DIF) transmission signal processing method for the same. The transmitter, includes: a baseband transmitting unit for processing a transmission signal by performing a Media Access Control (MAC) protocol process on transmission data and dividing the transmission data into n band signals where n is a predetermined natural number in a physical layer process; a DIF transmitting unit for integrating transmission signals of each band transmitted from the baseband transmitting unit and outputting m channels where m is a predetermined natural number; and a Radio Frequency (RF) transmitting unit for modulating each channel signal transmitted from the DIF transmitting unit into an RF signal and emitting the signal through the multiple antenna.

摘要翻译： 提供一种用于使用多天线的高吞吐量无线通信系统的发射机和接收机，其方法和用于其的数字中频（DIF）传输信号处理方法。 发射机包括：基带发射单元，用于通过在传输数据上执行媒体访问控制（MAC）协议处理来处理传输信号，并且在物理层处理中将传输数据划分成n个频带信号，其中n是预定的自然数; DIF发送单元，用于对从基带发送单元发送的每个频带的发送信号进行积分，并输出m个信道，其中m是预定的自然数; 以及射频（RF）发送单元，用于将从DIF发送单元发送的每个信道信号调制成RF信号，并通过多个天线发送信号。

公开(公告)号：US20120163216A1

公开(公告)日：2012-06-28

申请号：US13333907

申请日：2011-12-21

申请人： Hyun-Gu PARK ,  Sok-Kyu LEE

发明人： Hyun-Gu PARK ,  Sok-Kyu LEE

IPC分类号： H04W24/00 ,  H04L12/26

CPC分类号： H04W74/085

摘要： Disclosed is a media access control apparatus and method in a wireless local area network (LAN) system, which improves the performance of a wireless network by obtaining a transmission opportunity based on information on a station (STA), received from an access point (AP) in a contention-based distributed media access control system such as an IEEE 802.11 wireless LAN system. In the media access control apparatus and method, a station determines a contention window (CW) value based on information on other stations accessing a same access point and information on the idle state of a channel, so that an inefficient CW value is be set in a Distributed Coordination Function (DCF) used in the IEEE 802.11. Accordingly, it is possible to increase the processing speed of the station and to the efficiency of a wireless LAN network.

摘要翻译： 公开了一种无线局域网（LAN）系统中的媒体接入控制装置和方法，其通过基于从接入点（AP）接收的关于站（STA）的信息获得发送机会来提高无线网络的性能 ）在诸如IEEE 802.11无线LAN系统的基于竞争的分布式媒体访问控制系统中。 在媒体访问控制装置和方法中，站基于访问相同接入点的其他站的信息和信道的空闲状态的信息来确定竞争窗口（CW）值，从而将低效CW值设置在 在IEEE 802.11中使用的分布式协调功能（DCF）。 因此，可以提高站的处理速度和无线LAN网络的效率。

公开(公告)号：US20100177657A1

公开(公告)日：2010-07-15

申请号：US12688079

申请日：2010-01-15

申请人： Yun-Joo KIM ,  Jeeyon CHOI ,  Sok-Kyu LEE

发明人： Yun-Joo KIM ,  Jeeyon CHOI ,  Sok-Kyu LEE

IPC分类号： H04W40/00 ,  H04L12/26

CPC分类号： H04W72/1273 ,  H04W72/0446 ,  H04W84/12

摘要： A medium access control method in a wireless LAN system using multiple channels includes: determining the size of data frames related to a plurality of wireless stations connected through multiple channels; adjusting the number or length of the data frames related to the respective wireless stations, based on the result of determination, so that transmission start time and transmission end time of the data frames coincide during a transmission duration of an access point; and transmitting the data frames, the number or length of which has been adjusted, to the respective wireless stations.

摘要翻译： 在使用多个信道的无线LAN系统中的介质访问控制方法包括：确定与通过多个信道连接的多个无线站相关的数据帧的大小; 基于确定结果调整与各个无线站相关的数据帧的数量或长度，使得数据帧的传输开始时间和传输结束时间在接入点的传输持续时间内重合; 并将其数量或长度已被调整的数据帧发送到各个无线站。

公开(公告)号：US20120230317A1

公开(公告)日：2012-09-13

申请号：US13479218

申请日：2012-05-23

申请人： Yun-Joo KIM ,  Jeeyon CHOI ,  Sok-Kyu LEE

发明人： Yun-Joo KIM ,  Jeeyon CHOI ,  Sok-Kyu LEE

IPC分类号： H04W84/12

CPC分类号： H04W72/0413 ,  H04L1/1854 ,  H04W28/04 ,  H04W72/0446 ,  H04W74/002 ,  H04W74/004 ,  H04W74/006 ,  H04W84/12

摘要： The present invention relates to a method for efficient transmission of a request frame such as an RTS/CTS frame and a response frame in response to the request frame in a multi-user based wireless communication system. The method of the present invention comprises: a process where wireless terminals transmit a response frame at their own response frame transmission time through a request frame that contains information about a plurality of wireless terminals and information about the response frame transmission time of the respective wireless terminals; a process where the respective wireless terminals transmit a response frame according to a token scheme such that the response frame is transmitted to a final access point; and a process where only a representative wireless terminal selected depending on a given wireless environment receives the response frame.

摘要翻译： 本发明涉及一种用于在基于多用户的无线通信系统中响应于该请求帧而有效地传输诸如RTS / CTS帧和响应帧的请求帧的方法。 本发明的方法包括：无线终端通过包含关于多个无线终端的信息的请求帧在其自己的响应帧传输时间发送响应帧的过程和关于各个无线终端的响应帧传输时间的信息 ; 其中各个无线终端根据令牌方案发送响应帧，使得响应帧被发送到最终接入点; 以及仅根据给定无线环境选择的代表性无线终端接收到响应帧的处理。

公开(公告)号：US20100157893A1

公开(公告)日：2010-06-24

申请号：US12556091

申请日：2009-09-09

申请人： Il-Gu LEE ,  Yun-Joo KIM ,  Hae-Young NA ,  Sok-Kyu LEE

发明人： Il-Gu LEE ,  Yun-Joo KIM ,  Hae-Young NA ,  Sok-Kyu LEE

IPC分类号： H04W40/00 ,  G06F11/00

CPC分类号： H04L1/0007 ,  H04L1/06

摘要： Disclosed is an apparatus and method for transmitting data in a wireless communication system. The apparatus for transmitting a packet data in a wireless communication system includes a Media Access Control (MAC) layer for determining the number of the number of preambles to be inserted based on a feed-back reply signal from a receiver, and generating a multi-preamble aggregation packet by inserting the determined number of preambles into packets received from an upper layer and a physical layer for forming the multi-preamble aggregation packet generated in a data processing unit, by using a physical layer packet, and transmitting the formed multi-preamble aggregation packet.

摘要翻译： 公开了一种在无线通信系统中发送数据的装置和方法。 用于在无线通信系统中发送分组数据的装置包括：媒体接入控制（MAC）层，用于基于来自接收机的反馈应答信号来确定要插入的前导码数量的数量; 前导码聚合分组，通过使用物理层分组将确定数量的前导码插入到从上层接收的分组和用于形成在数据处理单元中生成的多前同步码聚合分组的物理层，以及发送所形成的多前导码 汇聚包。

公开(公告)号：US20110205968A1

公开(公告)日：2011-08-25

申请号：US13032369

申请日：2011-02-22

申请人： Yun-Joo KIM ,  Sok-Kyu LEE ,  Hyun-Kyu CHUNG

发明人： Yun-Joo KIM ,  Sok-Kyu LEE ,  Hyun-Kyu CHUNG

IPC分类号： H04W4/00

CPC分类号： H04W72/085 ,  H04W72/046

摘要： A sounding method of a transmitting terminal that transmits data to two or more receiving terminals in a wireless communication system includes transmitting a frame for requesting transmission of first sounding information to the two or more receiving terminals, receiving a frame including the first sounding information from each of the two or more receiving terminals, transmitting a frame including information for requesting transmission of channel state information and second sounding information to the two or more receiving terminals, and receiving a frame including the channel state information, which is measured by each of the two or more receiving terminals by using the second sounding information, from each of the two or more receiving terminals, wherein the channel state information measured by using the first sounding information and the channel state information received from each of the two or more receiving terminals are used to simultaneously transmit the data to the two or more receiving terminals.

摘要翻译： 在无线通信系统中向两个以上的接收终端发送数据的发送终端的发声方法包括：向所述两个以上的接收终端发送请求发送第一发声信息的帧，从各个接收终端接收包含所述第一发声信息的帧 发送包括用于请求发送信道状态信息和第二探测信息的信息的帧到两个或更多个接收终端，以及接收由两个或更多个接收终端中的每一个测量的包括信道状态信息的帧 使用来自两个以上的接收终端中的每一个的第二探测信息的多个接收终端，其中通过使用从两个或多个接收终端中的每一个接收的第一探测信息和信道状态信息测量的信道状态信息被使用 同时将数据传输到两个o r多接收终端。