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1. 发明申请

US20090154427A1 TRANSMITTER AND RECEIVER FOR HIGH THROUGHPUT WIRELESS COMMUNICATION SYSTEM USING MULTIPLE ANTENNA, METHOD THEREOF, AND DIGITAL INTERMEDIATE FREQUENCY TRANSMISSION SIGNAL PROCESSING METHOD FOR THE SAME 有权
标题翻译：用于使用多个天线的高速无线通信系统的发射机和接收机，其方法和数字中间频率传输信号处理方法
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。

2. 发明申请

US20090156148A1 LINK ADAPTATION METHOD AND APPARATUS IN WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：无线通信系统中的链路自适应方法和设备
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。

3. 发明申请

US20090190686A1 APPARATUS AND METHOD FOR CHANNEL ESTIMATION IN MIMO SYSTEMS 有权
标题翻译： MIMO系统中信道估计的装置和方法
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。

4. 发明申请

US20100151898A1 TRANSMITTER/RECEIVER FOR WIRELESS COMMUNICATION SYSTEM 失效
标题翻译：无线通信系统的发射机/接收机
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。

5. 发明申请

US20090158113A1 APPARATUS AND METHOD FOR ENCODING LDPC CODE USING MESSAGE PASSING ALGORITHM 失效
标题翻译：使用消息传递算法编码LDPC码的装置和方法
公开(公告)号：US20090158113A1
公开(公告)日：2009-06-18
申请号：US12208006
申请日：2008-09-10
申请人： Chanho YOON , Jung-Bo SON , Hun-Sik KANG , Sok-Kyu LEE
发明人： Chanho YOON , Jung-Bo SON , Hun-Sik KANG , Sok-Kyu LEE
IPC分类号： H03M13/05 , G06F11/07
CPC分类号： H03M13/1188 , H03M13/1111 , H03M13/6502
摘要： Provided is an apparatus and method for encoding a Low Density Parity Check (LDPC) code using a message passing algorithm. The apparatus, includes: a parity calculating unit for operating a check node value on an input bit and a predetermined parity bit according to the message passing algorithm and calculating a parity bit; a parity correcting unit for correcting the calculated parity bit according to a parity check result of the calculated parity bit; and an output transform unit for combining the input bit and the corrected parity bit.
摘要翻译：提供了一种使用消息传递算法对低密度奇偶校验（LDPC）码进行编码的装置和方法。该装置包括：奇偶校验计算单元，用于根据消息传递算法操作输入比特和预定奇偶校验位上的校验节点值，并计算奇偶校验位; 奇偶校验单元，用于根据所计算的奇偶校验位的奇偶校验结果校正所计算的奇偶校验位; 以及输出变换单元，用于组合输入位和校正奇偶校验位。

6. 发明申请

US20100118816A1 APPARATUS AND METHOD FOR TRANSMITTING DATA IN WIRELESS COMMUNICATION SYSTEM 审中-公开
标题翻译：用于在无线通信系统中发送数据的装置和方法
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。

7. 发明申请

US20090141679A1 METHOD FOR FORMING FRAME IN WIDEBAND WIRELESS COMMUNICATION SYSTEM USING MULTI-ANTENNA 审中-公开
标题翻译：使用多天线在宽带无线通信系统中形成帧的方法
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。

8. 发明申请

US20090154405A1 MEDIUM ACCESS CONTROL METHOD AND DATA TRANSMISSION METHOD USING THE SAME IN WIRELESS LOCAL AREA NETWORK 失效
标题翻译：在无线局域网中使用该接口的中等接入控制方法和数据传输方法
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。

9. 发明申请

US20090154604A1 MULTI-DIMENSIONAL DETECTOR FOR RECEIVER OF MIMO SYSTEM 失效
标题翻译：用于MIMO系统接收机的多维检测器
公开(公告)号：US20090154604A1
公开(公告)日：2009-06-18
申请号：US12178150
申请日：2008-07-23
申请人： Yu-Ro LEE , Jong-Ee OH , Minho CHEONG , Sok-Kyu LEE
发明人： Yu-Ro LEE , Jong-Ee OH , Minho CHEONG , Sok-Kyu LEE
IPC分类号： H04L27/06
CPC分类号： H04L27/2647 , H04B7/0413 , H04L25/061 , H04L25/067
摘要： Provided are a multi-dimensional detector for a receiver of an MIMO system and a method thereof. The multi-dimensional detector includes a first symbol detecting unit for calculating symbol distance values using an upper triangular matrix (R) obtained from QR decomposition to detect an mth symbol; a symbol deciding unit for deciding a symbol having a minimum distance value among the calculated symbol distance values from the first symbol detecting unit; and a second symbol detecting unit for calculating symbol distance values using an updated received signal y and the upper triangular matrix R to detect a (m−1)th symbol.
摘要翻译：提供了一种用于MIMO系统的接收机的多维检测器及其方法。多维检测器包括：第一符号检测单元，用于使用从QR分解获得的上三角矩阵（R）来计算符号距离值以检测第m个符号; 符号判定单元，用于从所述第一符号检测单元确定所计算的符号距离值中具有最小距离值的符号; 以及第二符号检测单元，用于使用更新的接收信号y和上三角矩阵R来计算符号距离值以检测第（m-1）个符号。

10. 发明申请

US20090161808A1 APPARATUS AND METHOD FOR DETECTING RECEPTION SIGNAL SYMBOL SYNCHRONIZATION IN WIRELESS COMMUNICATION SYSTEM 有权
标题翻译：用于检测无线通信系统中接收信号符号同步的装置和方法
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。

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