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1. 发明申请

US20120163317A1 APPARATUS AND SYSTEM OF PROVIDING WIRELESS LOCAL AREA NETWORK SERVICE FOR TRANSPORT MEANS 审中-公开
标题翻译：提供无线局域网运输服务网络的装置和系统
公开(公告)号：US20120163317A1
公开(公告)日：2012-06-28
申请号：US13335664
申请日：2011-12-22
申请人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
发明人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04W84/12 , H04W72/00
CPC分类号： H04B7/024 , H04L5/0023 , H04L27/2601 , H04W4/00 , H04W36/00 , H04W84/12 , H04W88/02
摘要： A wireless apparatus providing wireless LAN services for a transport means is provided. The wireless apparatus includes: a transceiver established to transmit or receive a frame; and a processor functionally connected to the transceiver, wherein the processor is established to generate and process the frame for providing the wireless LAN services, the transceiver includes a plurality of remote antennas, and the plurality of remote antennas are disposed to be spaced away from each other along a moving path of the transport means.
摘要翻译：提供了一种为传送装置提供无线LAN服务的无线装置。该无线设备包括：被建立以发送或接收帧的收发器; 以及功能上连接到所述收发器的处理器，其中所述处理器被建立以产生和处理所述帧以用于提供所述无线LAN服务，所述收发器包括多个远程天线，并且所述多个远程天线被设置为与每个所述远程天线间隔开另一个沿着运输工具的移动路径。

2. 发明授权

US07916797B2 Residual frequency, phase, timing offset and signal amplitude variation tracking apparatus and methods for OFDM systems 有权
标题翻译：用于OFDM系统的残余频率，相位，定时偏移和信号幅度变化跟踪装置和方法
公开(公告)号：US07916797B2
公开(公告)日：2011-03-29
申请号：US11286996
申请日：2005-11-22
申请人： Heejung Yu , Taehyun Jeon , Myung-Soon Kim , Eun-Young Choi , Sok-Kyu Lee , Deuk-Su Lyu
发明人： Heejung Yu , Taehyun Jeon , Myung-Soon Kim , Eun-Young Choi , Sok-Kyu Lee , Deuk-Su Lyu
IPC分类号： H04K1/10 , H04L27/00 , H04J11/00
CPC分类号： H04L27/266 , H04L27/2659 , H04L27/2662 , H04L27/2675 , H04L27/2682 , H04L27/2685 , H04L27/2695
摘要： An error tracking apparatus and method for tracking a residual frequency error, a phase error, a timing error, and a signal amplitude variation to enhance a phase error tracking performance and a tracking speed in an orthogonal frequency division multiplexing (OFDM) system is provided. The error tracking apparatus and method include: a frequency error corrector for correcting a frequency at a time domain by adding a tracking carrier error estimating value to an initial carrier frequency error estimating value; a signal amplitude tracking corrector for controlling a signal amplitude by multiplying an input signal converted by a fast Fourier transform (FFT) by an output value corresponding to a calculated power of a receive pilot signal; a channel corrector for outputting a channel correcting signal by multiplying the receive pilot signal by a complex conjugate of a frequency channel response of the receive pilot signal; a carrier frequency error estimator for estimating a carrier frequency error parameter using the channel-corrected pilot and providing the tracking carrier frequency error estimating value; a time offset estimator for estimating a time offset parameter using the channel-corrected pilot; and a carrier phase error estimator for estimating a carrier phase error parameter using the channel-corrected pilot.
摘要翻译：提供了一种用于跟踪残余频率误差，相位误差，定时误差和信号幅度变化的误差跟踪装置和方法，以增强正交频分复用（OFDM）系统中的相位误差跟踪性能和跟踪速度。误差跟踪装置和方法包括：频率误差校正器，用于通过将初始载波频率误差估计值加上跟踪载波误差估计值来校正时域的频率; 信号幅度跟踪校正器，用于通过将通过快速傅里叶变换（FFT）转换的输入信号乘以与所计算的接收导频信号的功率相对应的输出值来控制信号幅度; 信道校正器，用于通过将接收导频信号乘以接收导频信号的频率信道响应的复共轭来输出信道校正信号; 载波频率误差估计器，用于使用所述信道校正的导频来估计载波频率误差参数，并提供所述跟踪载波频率误差估计值; 时间偏移估计器，用于使用所述通道校正的导频来估计时间偏移参数; 以及载波相位误差估计器，用于使用信道校正的导频来估计载波相位误差参数。

3. 发明授权

US07453947B2 Apparatus and method for adaptively modulating signal by using layered time-space detector used in mimo system 有权
标题翻译：通过使用mimo系统中使用的分层时空检测器自适应地调制信号的装置和方法
公开(公告)号：US07453947B2
公开(公告)日：2008-11-18
申请号：US10737398
申请日：2003-12-16
申请人： Young-Doo Kim , Inhyoung Kim , Heejung Yu , Jihoon Choi , Taehyun Jeon , Jae-Young Ahn , Yong-Hoon Lee
发明人： Young-Doo Kim , Inhyoung Kim , Heejung Yu , Jihoon Choi , Taehyun Jeon , Jae-Young Ahn , Yong-Hoon Lee
IPC分类号： H04B7/02
CPC分类号： H04B7/0891 , H04B7/0417 , H04B7/0626 , H04B7/0697 , H04L1/0003 , H04L1/0656 , H04L5/0007 , H04L5/0023 , H04L5/0028 , H04L5/0046 , H04L5/006 , H04W52/42
摘要： An apparatus for adaptively modulating/demodulating signals in a multi-input multi-output (MIMO) system having a layered time-space architecture detector and a method thereof is disclosed. The apparatus includes: a bit and power allocation information calculator for deciding an equivalent channel gain in a reverse order of Vertical-Bell laboratories Space Time (V-BLAST) based on MIMO channel information feedbacked from a receiver and determining the number of bits and transmission power to be transmitted to each transmitting antenna by using the equivalent channel gain; and adaptive modulation means for modulating signal of each layer with corresponding modulation method based on the determined number of bits and transmitting power, controlling the transmitting power and transmitting the adaptively modulated signal through each transmitting antenna. The present invention can improve performance without increase of implementation complexity and easily expand to MIMO-OFDM system by adaptively modulating and demodulating signals in reverse order of conventional V-BLAST detection method.
摘要翻译：公开了一种用于在具有分层时空架构检测器及其方法的多输入多输出（MIMO）系统中自适应地调制/解调信号的装置。该装置包括：位和功率分配信息计算器，用于基于从接收机反馈的MIMO信道信息来确定垂直 - 贝尔实验室空时（V-BLAST）的相反顺序的等效信道增益，并确定比特数和传输次数通过使用等效信道增益发送到每个发射天线的功率; 以及自适应调制装置，用于根据所确定的比特数和发送功率，通过相应的调制方法对每一层的信号进行调制，控制发送功率，并通过每个发送天线发送自适应调制信号。本发明可以通过以常规V-BLAST检测方法的相反顺序自适应调制和解调信号，而不增加实现复杂度并且容易地扩展到MIMO-OFDM系统。

4. 发明申请

US20120294170A1 METHOD FOR TRANSMITTING FRAME WITH INTERFERENCE AVOIDANCE IN WIRELESS LOCAL AREA NETWORK SYSTEM AND APPRATUS FOR THE SAME 审中-公开
标题翻译：用于在无线局域网系统中发送具有干扰避免的帧的方法及其设备
公开(公告)号：US20120294170A1
公开(公告)日：2012-11-22
申请号：US13413961
申请日：2012-03-07
申请人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
发明人： Heejung YU , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04W24/00 , H04W84/12
CPC分类号： H04W72/082 , H04B7/0617 , H04L25/0242
摘要： A method for transmitting a frame in a wireless local area network system is provided. The method includes obtaining, by a station (STA), interference channel information of an interference channel between the STA and neighbor STA that is a frame transmission object of an access point (AP); determining, by the STA, a transmitting beam vector based on the interference channel information; and transmitting, by the STA, a data frame to a transmission target STA using a multiple input multiple output (MIMO) transmission based on the transmitting beam vector.
摘要翻译：提供了一种在无线局域网系统中发送帧的方法。该方法包括：通过站（STA）获取作为接入点（AP）的帧传输对象的STA与相邻STA之间的干扰信道的干扰信道信息; 由所述STA确定基于所述干扰信道信息的发射波束矢量; 以及基于所述发送波束矢量，通过所述STA将使用多输入多输出（MIMO）传输的数据帧发送到发送目标STA。

5. 发明申请

US20120207140A1 METHOD FOR GENERATING AND TRANSMITTING FRAME IN A WIRELESS LOCAL AREA NETWORK AND APPARATUS FOR SUPPORTING THE SAME 失效
标题翻译：在无线局域网中生成和发送帧的方法及其支持的装置
公开(公告)号：US20120207140A1
公开(公告)日：2012-08-16
申请号：US13370573
申请日：2012-02-10
申请人： Heejung Yu , Il Gu Lee , Min Ho Cheong , Hun Sik Kang , Sok Kyu Lee
发明人： Heejung Yu , Il Gu Lee , Min Ho Cheong , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04W84/02
CPC分类号： H04L1/0027 , H04L27/2605 , H04L27/2613 , H04L27/2634 , H04W84/12
摘要： 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.
摘要翻译：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。

6. 发明申请

US20120177144A1 METHOD AND APPARATUS FOR TRANSMITTING SYMBOL REPEATEDLY IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：在无线通信系统中传输符号重复的方法和装置
公开(公告)号：US20120177144A1
公开(公告)日：2012-07-12
申请号：US13347143
申请日：2012-01-10
申请人： Il Gu LEE , Heejung Yu , Hun Sik Kang , Sok Kyu Lee
发明人： Il Gu LEE , Heejung Yu , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04L27/20 , H04W84/12
CPC分类号： H04L27/2602 , H04L1/0072 , H04L1/0079 , H04L1/08
摘要： 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.
摘要翻译：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。

7. 发明授权

US07577168B2 Method for detecting symbol synchronization and apparatus thereof 有权
标题翻译：符号同步检测方法及其装置
公开(公告)号：US07577168B2
公开(公告)日：2009-08-18
申请号：US11198598
申请日：2005-08-04
申请人： Taehyun Jeon , Heejung Yu , Myung-Soon Kim , Eun-Young Choi , Sok-Kyu Lee , Deuk-Su Lyu
发明人： Taehyun Jeon , Heejung Yu , Myung-Soon Kim , Eun-Young Choi , Sok-Kyu Lee , Deuk-Su Lyu
IPC分类号： H04J3/06
CPC分类号： H04L27/2662 , H04L27/2675
摘要： An apparatus for detecting symbol synchronization in a received signal including a first preamble and a second preamble which is consecutive to the first preamble, the apparatus including a first correlator calculating a first correlation value between the received signal and a first pattern of a first period among iterative patterns of the first preamble, a second correlator calculating a second correlation value between the received signal and a second pattern of a second period among iterative patterns of the second preamble, a third correlator calculating a third correlation value between the first correlation value and the second correlation value, and a detector detecting symbol synchronization from the third correlation value.
摘要翻译：一种用于检测包括与第一前导码连续的第一前导码和第二前同步码的接收信号中符号同步的装置，该装置包括：第一相关器，用于计算接收信号与第一周期中的第一相似值之间的第一相关值，所述第一前导码的迭代模式，第二相关器，计算所述接收信号与所述第二前导码的迭代模式之间的第二周期的第二模式之间的第二相关值;第三相关器，计算所述第一相关值与所述第一相关值之间的第三相关值，第二相关值，以及检测器，从第三相关值检测符号同步。

8. 发明授权

US09001929B2 Method and apparatus for transmitting symbol repeatedly in wireless communication system 有权
标题翻译：在无线通信系统中重复发送符号的方法和装置
公开(公告)号：US09001929B2
公开(公告)日：2015-04-07
申请号：US13347143
申请日：2012-01-10
申请人： Il Gu Lee , Heejung Yu , Hun Sik Kang , Sok Kyu Lee
发明人： Il Gu Lee , Heejung Yu , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04L27/20 , H04L27/26 , H04L1/00 , H04L1/08
CPC分类号： H04L27/2602 , H04L1/0072 , H04L1/0079 , H04L1/08
摘要： 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.
摘要翻译：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）来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。

9. 发明授权

US08774222B2 Method for generating and transmitting frame in a wireless local area network and apparatus for supporting the same 失效
标题翻译：用于在无线局域网中生成和发送帧的方法和用于支持该帧的装置
公开(公告)号：US08774222B2
公开(公告)日：2014-07-08
申请号：US13370573
申请日：2012-02-10
申请人： Heejung Yu , Il Gu Lee , Min Ho Cheong , Hun Sik Kang , Sok Kyu Lee
发明人： Heejung Yu , Il Gu Lee , Min Ho Cheong , Hun Sik Kang , Sok Kyu Lee
IPC分类号： H04J3/24
CPC分类号： H04L1/0027 , H04L27/2605 , H04L27/2613 , H04L27/2634 , H04W84/12
摘要： 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.
摘要翻译：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。

10. 发明授权

US08411611B2 Method for setting packet transmission path in ad hoc network, and network apparatus using the same 有权
标题翻译：在ad hoc网络中设置分组传输路径的方法和使用该传输路径的网络设备
公开(公告)号：US08411611B2
公开(公告)日：2013-04-02
申请号：US12166875
申请日：2008-07-02
申请人： Tae Soo Kwon , Young-Doo Kim , Eung Sun Kim , Yong Hoon Lee , Sae-Young Chung , Heejung Yu , Won-Yong Shin
发明人： Tae Soo Kwon , Young-Doo Kim , Eung Sun Kim , Yong Hoon Lee , Sae-Young Chung , Heejung Yu , Won-Yong Shin
IPC分类号： H04B7/14
CPC分类号： H04W40/02 , H04W40/08 , H04W40/32 , Y02D70/164 , Y02D70/22 , Y02D70/30 , Y02D70/324
摘要： A method of setting a packet transmission path in a wireless communication network and a network apparatus using the same are provided. A method of setting a packet transmission path includes setting N−1 routing regions including at least one node between a source node and a destination node based on a predetermined N number of hops, N denoting an integer greater than or equal to two, and determining a node in each of the routing regions as a relay node based on a channel gain.
摘要翻译：提供了一种在无线通信网络中设置分组传输路径的方法和使用其的网络设备。一种设置分组传输路径的方法包括基于预定的N个跳数来设置包括源节点和目的地节点之间的至少一个节点的N-1个路由区域，N表示大于或等于2的整数，并且确定每个路由区域中的节点作为基于信道增益的中继节点。

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