公开(公告)号：US20110096863A1

公开(公告)日：2011-04-28

申请号：US12912653

申请日：2010-10-26

Applicant: Il-Gu Lee ,  Sok-Kyu Lee ,  Hyun-Kyu Chung

Inventor： Il-Gu Lee ,  Sok-Kyu Lee ,  Hyun-Kyu Chung

IPC: H04L27/00

CPC classification number: H04L27/18 ,  H04L7/00 ,  H04W8/26 ,  H04W52/0225 ,  Y02D70/1244 ,  Y02D70/14 ,  Y02D70/142

Abstract: A wireless transmitter which performs reconfiguration for high mobility and high throughput includes: an operation mode decision unit configured to decide an operation mode depending on mobility, a required data rate, and wireless link performance; a clock generation unit configured to generate a plurality of clock signals; a selection unit configured to select necessary clock signals among the plurality of clock signals generated by the clock generation unit according to the operation mode decided by the operation mode decision unit; and at least one or more digital modulation units configured to modulate transmitted data by adjusting a signal bandwidth of a frequency domain and a transmission time of a time domain using the clock signals selected by the selection unit.

Abstract translation: 执行高移动性和高吞吐量的重新配置的无线发射机包括：操作模式判定单元，被配置为根据移动性，所需数据速率和无线链路性能来决定操作模式; 时钟生成单元，被配置为生成多个时钟信号; 选择单元，被配置为根据由所述操作模式判定单元决定的操作模式，在由所述时钟生成单元生成的所述多个时钟信号中选择必要的时钟信号; 以及至少一个或多个数字调制单元，被配置为通过使用由选择单元选择的时钟信号调整频域的信号带宽和时域的发送时间来调制发送数据。

公开(公告)号：US20110096760A1

公开(公告)日：2011-04-28

申请号：US12910718

申请日：2010-10-22

Applicant: Il-Gu LEE ,  Jeeyon CHOI ,  Sok-Kyu LEE

Inventor： Il-Gu LEE ,  Jeeyon CHOI ,  Sok-Kyu LEE

IPC: H04W52/04

CPC classification number: H04W52/242 ,  H04W24/08 ,  H04W52/243 ,  H04W52/267 ,  H04W84/12 ,  Y02D70/00

Abstract: 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.

Abstract translation: 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：US07676208B2

公开(公告)日：2010-03-09

申请号：US11636201

申请日：2006-12-08

Applicant: Il-Gu Lee ,  Sok-Kyu Lee ,  Hee-jung Yu ,  Eun-Young Choi ,  Chan-Ho Yoon ,  Jung-Bo Son ,  Deuk-Su Lyu ,  Seung-Wook Min ,  Tae-hyun Jeon ,  Seung-Chan Bang ,  Seung-Ku Hwang

Inventor： Il-Gu Lee ,  Sok-Kyu Lee ,  Hee-jung Yu ,  Eun-Young Choi ,  Chan-Ho Yoon ,  Jung-Bo Son ,  Deuk-Su Lyu ,  Seung-Wook Min ,  Tae-hyun Jeon ,  Seung-Chan Bang ,  Seung-Ku Hwang

IPC: H04B1/06 ,  H04Q7/20

CPC classification number: H04W52/52

Abstract: An exemplary automatic gain control device includes: a radio frequency receiver for receiving a plurality of first signals through a plurality of antennas, respectively controlling gains of the plurality of first received signals, and outputting the plurality of the first signals having the controlled gain as a plurality of second signals; a signal saturation detecting unit for outputting a saturation index determination value when the number of plurality of second signals that are greater than a threshold value is greater than a predetermined number; and a gain controlling unit for comparing power values of the plurality of second signals to detect one power value, and outputting a gain value determined based on a detected power value and a saturation index determination value to the radio frequency receiver.

Abstract translation: 示例性的自动增益控制装置包括：射频接收器，用于通过多个天线接收多个第一信号，分别控制多个第一接收信号的增益，并将具有受控增益的多个第一信号作为 多个第二信号; 信号饱和检测单元，当大于阈值的多个第二信号的数量大于预定数量时，输出饱和度指标确定值; 以及增益控制单元，用于对所述多个第二信号的功率值进行比较，以检测一个功率值，并将基于检测到的功率值和饱和度指标确定值确定的增益值输出到所述射频接收器。

公开(公告)号：US08718191B2

公开(公告)日：2014-05-06

申请号：US13033202

申请日：2011-02-23

Applicant: Il-Gu Lee ,  In-Kyeong Choi ,  Yu-Ro Lee ,  Jong-Ee Oh ,  Eun-Young Choi ,  Sok-Kyu Lee

Inventor： Il-Gu Lee ,  In-Kyeong Choi ,  Yu-Ro Lee ,  Jong-Ee Oh ,  Eun-Young Choi ,  Sok-Kyu Lee

IPC: H04L27/20

CPC classification number: H04L27/18 ,  H04L27/0008

Abstract: A method for transmitting, by a transmitting terminal, data to a receiving terminal in a wireless communication system includes: generating a first detection field including symbols modulated by using a BPSK data tone; generating a second detection field including symbols modulated such that an even numbered subcarrier and an odd numbered subcarrier have a phase difference of 90 degrees; generating a data packet including the first detection field, the second detection field, and the data; and transmitting the data packet.

Abstract translation: 一种在无线通信系统中由发送终端向接收终端发送数据的方法包括：生成包括通过使用BPSK数据音调调制的符号的第一检测字段; 产生包括被调制的符号的第二检测场，使得偶数副载波和奇数副载波具有90度的相位差; 生成包括第一检测区域，第二检测区域和数据的数据分组; 并发送数据包。

公开(公告)号：US08626079B2

公开(公告)日：2014-01-07

申请号：US12177605

申请日：2008-07-22

Applicant: Il-Gu Lee ,  Chanho Yoon ,  Eun-Young Choi ,  Hun-Sik Kang ,  Minho Cheong ,  Sok-Kyu Lee

Inventor： Il-Gu Lee ,  Chanho Yoon ,  Eun-Young Choi ,  Hun-Sik Kang ,  Minho Cheong ,  Sok-Kyu Lee

IPC: H04B1/00 ,  H04B7/00

CPC classification number: H04L1/0003 ,  H04B17/318

Abstract: 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.

Abstract translation: 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。

公开(公告)号：US08599817B2

公开(公告)日：2013-12-03

申请号：US12969357

申请日：2010-12-15

Applicant: Il-Gu Lee ,  Sok-Kyu Lee

Inventor： Il-Gu Lee ,  Sok-Kyu Lee

IPC: H04L12/28 ,  H04J1/16

CPC classification number: H04L27/2657 ,  H04L27/2688 ,  H04L41/0654

Abstract: Provided is an apparatus and method for transmitting and receiving data. The method includes respectively estimating a carrier frequency offset (CFO) of data packets transmitted during a transmit opportunity (TXOP) period by a unit of a packet; calculating an average CFO of the estimated CFOs estimated during a window period for the data packets; and compensating an estimated CFO of a predetermined data packet to one of the estimated CFO of the predetermined data packet and the average CFO, and restoring the predetermined data packet.

Abstract translation: 提供了一种用于发送和接收数据的装置和方法。 该方法包括分别估计在发送机会（TXOP）周期期间以分组为单位发送的数据分组的载波频率偏移（CFO）; 计算在数据包的窗口期间估计的估计的首席财务官的平均CFO; 以及将预定数据分组的估计CFO补偿到预定数据分组的估计CFO和平均CFO之一，并恢复预定数据分组。

公开(公告)号：US08416897B2

公开(公告)日：2013-04-09

申请号：US12561076

申请日：2009-09-16

Applicant: Il-Gu Lee ,  Hyun-Gu Park ,  Je-Hun Lee ,  Sok-Kyu Lee

Inventor： Il-Gu Lee ,  Hyun-Gu Park ,  Je-Hun Lee ,  Sok-Kyu Lee

IPC: H04B7/10 ,  H04L27/06

CPC classification number: H04W52/028 ,  H04L2027/0016 ,  H04L2027/0067 ,  H04W52/0245 ,  Y02D70/142

Abstract: An apparatus for reducing power consumption of a receiver in a high-speed wireless communication system and a control method thereof are provided. The apparatus for processing a signal in a receiver of a wireless communication system includes a carrier sensor configured to sense a carrier used in the wireless communication system, a decoder configured to decode the detected carrier signal to a signal and data, and a controller configured to control supplying power and a clock only to the carrier sensor during carrier sensing, and supplying power and a clock to an overall receiver when a carrier is sensed.

Abstract translation: 提供一种用于降低高速无线通信系统中的接收机的功耗的装置及其控制方法。 用于处理无线通信系统的接收机中的信号的装置包括被配置为感测在无线通信系统中使用的载波的载波传感器，被配置为将检测到的载波信号解码为信号和数据的解码器，以及控制器， 在载波检测期间仅控制向载波传感器提供功率和时钟，并且当检测到载波时，向整个接收机提供功率和时钟。

公开(公告)号：US20120207140A1

公开(公告)日：2012-08-16

申请号：US13370573

申请日：2012-02-10

Applicant: Heejung Yu ,  Il Gu Lee ,  Min Ho Cheong ,  Hun Sik Kang ,  Sok Kyu Lee

Inventor： Heejung Yu ,  Il Gu Lee ,  Min Ho Cheong ,  Hun Sik Kang ,  Sok Kyu Lee

IPC: H04W84/02

CPC classification number: H04L1/0027 ,  H04L27/2605 ,  H04L27/2613 ,  H04L27/2634 ,  H04W84/12

Abstract: A channel sounding method in a wireless local area network (WLAN) system is provided. The method, performed by a transmitter, includes transmitting a null data packet announcement (NDPA) frame to a receiver to initiate a channel sounding procedure; transmitting a null data packet (NDP) to the receiver and receiving a feedback frame. The feedback frame includes a plurality of segment frames and a channel feedback report. The channel feedback report is split into a plurality of feedback segments. Each of the plurality of feedback segments is respectively included in each of the plurality of segment frames. The each of the plurality of segment frames includes a first-segment subfield indicating whether the each of the plurality of feedback segment included is a first segment and a remaining-segment subfield indicating the number of remaining feedback segments.

Abstract translation: 提供了一种无线局域网（WLAN）系统中的信道探测方法。 由发射机执行的方法包括向接收机发送空数据分组公告（NDPA）帧以发起信道探测过程; 向接收机发送空数据分组（NDP）并接收反馈帧。 反馈帧包括多个分段帧和信道反馈报告。 信道反馈报告被分成多个反馈段。 多个反馈段中的每一个分别包括在多个段帧中的每一个中。 多个段帧中的每一个包括指示所包括的多个反馈段中的每一个是否为第一段的第一段子字段和指示剩余反馈段的数目的剩余段子字段。

公开(公告)号：US20120177144A1

公开(公告)日：2012-07-12

申请号：US13347143

申请日：2012-01-10

Applicant: Il Gu LEE ,  Heejung Yu ,  Hun Sik Kang ,  Sok Kyu Lee

Inventor： Il Gu LEE ,  Heejung Yu ,  Hun Sik Kang ,  Sok Kyu Lee

IPC: H04L27/20 ,  H04W84/12

CPC classification number: H04L27/2602 ,  H04L1/0072 ,  H04L1/0079 ,  H04L1/08

Abstract: A method and an apparatus for a transmitter to transmit data in a wireless communication system are provided. This method includes: generating a first signal field including at least one symbol; generating a second signal field configured by repeating at least one symbol of the first signal field; and transmitting a frame including the first signal field, the second signal field, and a data field and a first symbol of the second signal field is modulated through binary phase shift keying (BPSK) and symbols from a second symbol of the second signal field are modulated through Q-BPSK. According to the present invention, a service filed can be extended while maintaining compatibility with a wireless communication system in the related art by transmitting a frame using symbol repetition.

Abstract translation: 提供了一种用于在无线通信系统中发送数据的方法和装置。 该方法包括：生成包括至少一个符号的第一信号字段; 产生通过重复所述第一信号域的至少一个符号来配置的第二信号域; 并且通过二进制相移键控（BPSK）调制包括第一信号场，第二信号场和数据场以及第二信号场的第一符号的帧，并且来自第二信号场的第二符号的符号是 通过Q-BPSK进行调制。 根据本发明，通过使用符号重复发送帧，可以在维持与现有技术中的无线通信系统的兼容性的同时扩展服务范围。

公开(公告)号：US20110069670A1

公开(公告)日：2011-03-24

申请号：US12884625

申请日：2010-09-17

Applicant: Il-Gu LEE ,  Hun-Sik Kang ,  Sok-Kyu Lee

Inventor： Il-Gu LEE ,  Hun-Sik Kang ,  Sok-Kyu Lee

IPC: H04L12/413 ,  H04W4/00

CPC classification number: H04W74/0816

Abstract: A data communication method in a basic service set (BSS) of a wireless communication system using a carrier sense multiple access with collision avoidance (CSMA/CA) protocol includes: performing, by first and second nodes within the BSS, communication within a predetermined first time period; and transmitting, by a third node within the BSS, data to a fourth node within the first time period through a channel which is not used by the other nodes.

Abstract translation: 使用具有冲突避免的载波侦听多路访问（CSMA / CA）协议的无线通信系统的基本服务集（BSS）中的数据通信方法包括：由BSS内的第一和第二节点执行预定的第一 时间段; 以及由所述BSS内的第三节点通过未被其他节点使用的信道在第一时间段内向第四节点发送数据。