公开(公告)号：US20110096760A1

公开(公告)日：2011-04-28

申请号：US12910718

申请日：2010-10-22

申请人： Il-Gu LEE ,  Jeeyon CHOI ,  Sok-Kyu LEE

发明人： Il-Gu LEE ,  Jeeyon CHOI ,  Sok-Kyu LEE

IPC分类号： H04W52/04

CPC分类号： H04W52/242 ,  H04W24/08 ,  H04W52/243 ,  H04W52/267 ,  H04W84/12 ,  Y02D70/00

摘要： A transmit power control method of a first station in a wireless LAN (WLAN) system includes: receiving path loss information from an (access point) AP, the path loss information containing a maximum value among path losses between the AP and at least one or more stations included in the WLAN system; controlling a transmit power by using the path loss information; and transmitting a frame according to the controlled transmit power. In said controlling the transmit power by using the path loss information, the transmit power is controlled by using a path loss obtained by adding the maximum value and a path loss between the first station and the AP or by using the path loss between the first station and the AP.

摘要翻译： 无线LAN（WLAN）系统中的第一站的发射功率控制方法包括：从（接入点）AP接收路径损耗信息，所述路径损耗信息包含AP与AP之间的路径损耗中的最大值， WLAN系统中包含更多的台站; 通过使用路径损耗信息来控制发射功率; 以及根据受控发射功率发送帧。 在通过使用路径损耗信息来控制发送功率时，通过使用通过将第一站和AP之间的最大值和路径损耗相加而获得的路径损耗或通过使用第一站点之间的路径损耗来获得发送功率 和AP。

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：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：US20100177757A1

公开(公告)日：2010-07-15

申请号：US12688064

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

CPC分类号： H04W74/0816 ,  H04W88/06 ,  H04W88/10

摘要： A transmission opportunity setting method in a wireless LAN system using multiple channels includes: receiving a request-to-send (RTS) frame from a wireless station, the RTS frame including information on a wireless LAN mode of the wireless station; and transmitting a clear-to-send (CTS) frame to the wireless station according to at least one of the number of remaining available channels among the multiple channels and the wireless LAN mode of the wireless station.

摘要翻译： 在使用多个信道的无线LAN系统中的传输机会设置方法包括：从无线站接收请求发送（RTS）帧，所述RTS帧包括关于所述无线站的无线LAN模式的信息; 以及根据所述多个信道中的剩余可用信道数和所述无线站的无线LAN模式中的至少一个，向所述无线站发送清除发送（CTS）帧。

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：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：US20110096685A1

公开(公告)日：2011-04-28

申请号：US12912666

申请日：2010-10-26

申请人： Il-Gu LEE ,  Eun-Young CHOI ,  Sok-Kyu LEE

发明人： Il-Gu LEE ,  Eun-Young CHOI ,  Sok-Kyu LEE

IPC分类号： H04L12/26 ,  H04W4/00

CPC分类号： H04L27/2601 ,  H04L5/0048 ,  H04L27/0012 ,  H04L27/22 ,  H04L27/2273 ,  H04L27/3444 ,  H04W72/042 ,  H04W84/12

摘要： A method for automatically detecting a packet mode in a wireless communication system supporting a multiple transmission mode includes: acquiring at least one of data rate information, packet length information and channel bandwidth information from a transmitted frame; and determining the packet mode on the basis of the phase rotation check result of a symbol transmitted after a signal field signal and at least one of the data rate information, the packet length information and the channel bandwidth information acquired from the transmitted frame.

摘要翻译： 一种在支持多传输模式的无线通信系统中自动检测分组模式的方法包括：从发送的帧中获取数据速率信息，分组长度信息和信道带宽信息中的至少一个; 以及根据在信号场信号之后发送的符号的相位旋转检查结果和从发送帧获取的数据速率信息，分组长度信息和信道带宽信息中的至少一个来确定分组模式。

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：US20090164540A1

公开(公告)日：2009-06-25

申请号：US12146195

申请日：2008-06-25

申请人： Jong-Ee OH ,  Minho CHEONG ,  Il-Gu LEE ,  Sok-Kyu LEE

发明人： Jong-Ee OH ,  Minho CHEONG ,  Il-Gu LEE ,  Sok-Kyu LEE

IPC分类号： G06F7/38

CPC分类号： H03M13/1134 ,  H03M13/112 ,  H03M13/1122 ,  H03M13/618 ,  H03M13/6362 ,  H03M13/658 ,  H03M13/6583

摘要： Provided is an apparatus and method for updating a check node of a LDPC code at a high speed. The apparatus includes: a minimum value calculating unit for calculating a first minimum value of an input bit by sequentially calculating each bit of the first minimum value, and calculating a second minimum value using the calculated first minimum value; a node minimum value calculating unit for performing row splitting the calculated first and second minimum values by a check node and calculating a first minimum value and a second minimum value of each of the row-split nodes; and a minimum value deciding unit for deciding one of the calculated first and second minimum values of each of the row-split nodes as a minimum value corresponding to each degree of the input bit.

摘要翻译： 提供了一种用于以高速更新LDPC码的校验节点的装置和方法。 该装置包括：最小值计算单元，用于通过顺序地计算第一最小值的每个位，并使用所计算的第一最小值来计算第二最小值来计算输入比特的第一最小值; 节点最小值计算单元，用于通过校验节点执行行分解所计算的第一和第二最小值，并计算每个行分割节点的第一最小值和第二最小值; 以及最小值确定单元，用于将每个行分割节点的所计算的第一和第二最小值中的一个确定为与每个输入比特的度相对应的最小值。

公开(公告)号：US20090156148A1

公开(公告)日：2009-06-18

申请号：US12177605

申请日：2008-07-22

申请人： Il-Gu LEE ,  Chanho YOON ,  Eun-Young CHOI ,  Hun-Sik KANG ,  Minho CHEONG ,  Sok-Kyu LEE

发明人： Il-Gu LEE ,  Chanho YOON ,  Eun-Young CHOI ,  Hun-Sik KANG ,  Minho CHEONG ,  Sok-Kyu LEE

IPC分类号： H04B17/00

CPC分类号： H04L1/0003 ,  H04B17/318

摘要： Provided is a link adaptation method and apparatus in wireless communication system. The method, includes: amplifying a received signal; converting the amplified signal into a digital signal; calculating digital signal strength; and calculating the received signal strength based on the digital signal strength and a gain of said amplifying a received signal.

摘要翻译： 提供了一种无线通信系统中的链路适配方法和装置。 该方法包括：放大接收信号; 将放大的信号转换成数字信号; 计算数字信号强度; 以及基于所述数字信号强度和所述放大接收信号的增益来计算接收信号强度。