公开(公告)号：US20120294296A1

公开(公告)日：2012-11-22

申请号：US13491941

申请日：2012-06-08

申请人： Woo-Yong LEE ,  Sok-Kyu LEE

发明人： Woo-Yong LEE ,  Sok-Kyu LEE

IPC分类号： H04J3/06 ,  H04W84/12

CPC分类号： H04L27/2656 ,  H04L7/10 ,  H04L25/0202 ,  H04L25/0226 ,  H04L27/2607 ,  H04L27/2613 ,  H04L27/2628 ,  H04L27/2662 ,  H04L27/2663 ,  H04W56/001 ,  H04W84/12

摘要： A method of configuring a preamble of a downlink frame for synchronization in data frame transmission of a 60 GHz a wireless local area network system, the method comprising arranging a short preamble having a plurality of repetitive S symbols, and an IS symbol, and arranging a long preamble having a long cyclic prefix (CP) and a plurality of L symbols for frame synchronization and symbol timing by performing auto-correlation according to the length of window of the auto-correlation.

摘要翻译： 一种在60GHz的无线局域网系统的数据帧发送中配置用于同步的下行链路帧的前导码的方法，所述方法包括：配置具有多个重复S符号的短前导码和IS符号，并且将 具有长循环前缀（CP）的长前导码和用于帧同步和符号定时的多个L个符号，通过根据自相关的窗口的长度执行自相关。

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：US20100151898A1

公开(公告)日：2010-06-17

申请号：US12635555

申请日：2009-12-10

申请人： Ilgu LEE ,  Hun-Sik KANG ,  Sok-Kyu LEE

发明人： Ilgu LEE ,  Hun-Sik KANG ,  Sok-Kyu LEE

IPC分类号： H04B7/005 ,  H04B1/04 ,  H04B1/06

CPC分类号： H04B7/0608 ,  H04B1/18 ,  H04B2001/0416

摘要： A transmitter/receiver for a wireless communication system is provided. The transmitter for a wireless communication system includes: an external amplifier connected to a next stage of a power amplifier amplifying a signal to be transmitted to a required power level; a transmission selector configured to directly output the signal amplified by the power amplifier to an antenna or control the external amplifier to amplify the signal, based on a mode control signal; and a mode selector configured to compare a power level of a signal provided from a receiver with a predetermined power level to generate the mode control signal for determining whether or not to operate the external amplifier.

摘要翻译： 提供了一种用于无线通信系统的发射机/接收机。 用于无线通信系统的发射机包括：外部放大器，连接到功率放大器的下一级，放大要发射的信号至所需功率电平; 发送选择器，被配置为基于模式控制信号将由功率放大器放大的信号直接输出到天线或控制外部放大器以放大信号; 以及模式选择器，被配置为将从接收机提供的信号的功率电平与预定功率电平进行比较，以产生用于确定是否操作外部放大器的模式控制信号。

公开(公告)号：US20090190686A1

公开(公告)日：2009-07-30

申请号：US12332001

申请日：2008-12-10

申请人： Minho CHEONG ,  Sok-Kyu LEE ,  Seung-Chan BANG ,  II-Gu LEE

发明人： Minho CHEONG ,  Sok-Kyu LEE ,  Seung-Chan BANG ,  II-Gu LEE

IPC分类号： H04B7/02

CPC分类号： H04B7/0413 ,  H04B7/0613 ,  H04B7/0684 ,  H04B7/0854

摘要： Provided are a preamble structure and a channel estimation algorithm thereof. A communication method for a transmitter for channel estimation in a Multiple Input Multiple Output (MIMO) wireless communication system having N receiving antennas, includes generating a preamble interval having a short training field that includes a predetermined pattern iterated N times on a time domain and is used for compensating for a carrier frequency offset, and transmitting a packet having the preamble interval.

摘要翻译： 提供了前导码结构及其信道估计算法。 一种用于具有N个接收天线的多输入多输出（MIMO）无线通信系统中用于信道估计的发射机的通信方法，包括生成具有短训练场的前同步码间隔，该训练场包括在时域上迭代N次的预定模式，并且是 用于补偿载波频率偏移，以及发送具有前导码间隔的分组。

公开(公告)号：US20090161808A1

公开(公告)日：2009-06-25

申请号：US12274056

申请日：2008-11-19

申请人： Minho CHEONG ,  Yu-Ro LEE ,  Sok-Kyu LEE ,  Il-Gu LEE

发明人： Minho CHEONG ,  Yu-Ro LEE ,  Sok-Kyu LEE ,  Il-Gu LEE

IPC分类号： H04L7/00

CPC分类号： H04W56/0035 ,  H04L7/042

摘要： Provided is an apparatus and method for detecting reception signal symbol synchronization in a wireless communication system. The method, includes: calculating a channel power value in each of multiple antennas; selecting and averaging at least 2 channel power values; compensating carrier frequency offset for an average value; and determining a symbol boundary of a reception signal according to the size of the average value compensating the carrier frequency offset.

摘要翻译： 提供一种用于在无线通信系统中检测接收信号符号同步的装置和方法。 该方法包括：计算多个天线中每个天线的信道功率值; 选择和平均至少2个通道功率值; 补偿平均值的载波频率偏移; 以及根据补偿载波频率偏移的平均值的大小来确定接收信号的符号边界。

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：US20120163220A1

公开(公告)日：2012-06-28

申请号：US13336847

申请日：2011-12-23

申请人： Jaewoo PARK ,  Sok-Kyu LEE

发明人： Jaewoo PARK ,  Sok-Kyu LEE

IPC分类号： H04W4/06 ,  H04W24/00

CPC分类号： H04W28/08 ,  H04W8/186

摘要： An apparatus for transmitting data in a communication system includes: a receiver configured to receive signals from a plurality of terminals in a multiuser-multi-input multi-output (MU-MIMO) scheme; an assignor configured to assign group IDs to terminal groups, respectively after identifying the plurality of terminals and grouping the plurality of terminals into the terminal groups; a generator configured to define a load element which indicates a resource and load state of a basic service set (BSS) through the group IDs and to generate a beacon frame including the load element; and a transmitter configured to transmit the beacon frame to the plurality of terminals in the MU-MIMO scheme.

摘要翻译： 一种在通信系统中发送数据的装置，包括：接收机，被配置为在多用户多输入多输出（MU-MIMO）方案中从多个终端接收信号; 分配器，被配置为在识别所述多​​个终端并将所述多个终端分组为所述终端组之后，分别将组ID分配给终端组; 配置为通过组ID定义指示基本服务集（BSS）的资源和负载状态的负载元素并生成包括所述负载元素的信标帧的发生器; 以及发射机，被配置为在所述MU-MIMO方案中将所述信标帧发射到所述多个终端。

公开(公告)号：US20110200130A1

公开(公告)日：2011-08-18

申请号：US13025048

申请日：2011-02-10

申请人： Jeeyon CHOI ,  Sok-Kyu LEE

发明人： Jeeyon CHOI ,  Sok-Kyu LEE

IPC分类号： H04L27/28

CPC分类号： H04L1/1685 ,  H04L1/1614 ,  H04L1/1854 ,  H04L2001/0093

摘要： A method for transmitting, by a single transmitting station, data to a plurality of receiving stations includes: generating a plurality of data frames including the data and Ack order information; transmitting the plurality of data frames to the plurality of receiving stations; and sequentially receiving block Ack signals from the plurality of receiving stations according to the Ack order information.

摘要翻译： 由单个发送站向多个接收站发送数据的方法包括：生成包括数据和确认单信息的多个数据帧; 将所述多个数据帧发送到所述多个接收站; 并根据Ack顺序信息依次接收来自多个接收站的块确认信号。

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：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。