会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 1. 发明授权
    • Method and apparatus for transmitting relay frame in wireless communication system
    • 用于在无线通信系统中发送中继帧的方法和装置
    • US09226323B2
    • 2015-12-29
    • US13351205
    • 2012-01-16
    • Heejung YuIl Gu LeeHun Sik KangSok Kyu Lee
    • Heejung YuIl Gu LeeHun Sik KangSok Kyu Lee
    • H04W76/02H04W74/08H04W84/04H04W84/12H04W88/04
    • H04W76/02H04W74/0816H04W76/10H04W84/047H04W84/12H04W88/04
    • A method and apparatus for transmitting a relay frame in a relay end are provided. The method includes: receiving a relay request frame requesting data transmission to a receive end from a transmit end; transmitting a relay response frame including information on data to be relayed to each of the transmit end and the receive end; receiving the data from the transmit end; and generating a relay frame including the data to transmit the relay frame to the receive end. According to the present invention, the data is transmitted to the receive end positioned outside a transmission coverage of the transmit end, such that a wireless LAN service coverage may be expanded, and an adjacent terminal connected to the receive end is used as the relay end, such that the transmit end that may not be connected directly to the receive end may communicate with the receive end.
    • 提供了一种用于在继电器端中发送中继帧的方法和装置。 该方法包括:从发送端接收请求数据发送到接收端的中继请求帧; 发送包括关于要中继的数据的信息的中继响应帧到发送端和接收端中的每一个; 从发送端接收数据; 以及生成包括所述数据的中继帧,以将所述中继帧发送到所述接收端。 根据本发明,将数据发送到位于发送端的发送覆盖范围之外的接收端,使得可以扩展无线LAN服务覆盖,并且将连接到接收端的相邻终端用作中继端 ,使得可以不直接连接到接收端的发送端可以与接收端通信。
    • 2. 发明申请
    • METHOD AND APPARATUS FOR TRANSMITTING RELAY FRAME IN WIRELESS COMMUNICATION SYSTEM
    • 在无线通信系统中传输中继帧的方法和装置
    • US20120182926A1
    • 2012-07-19
    • US13351205
    • 2012-01-16
    • Heejung YuIl Gu LeeHun Sik KangSok Kyu Lee
    • Heejung YuIl Gu LeeHun Sik KangSok Kyu Lee
    • H04W88/02H04W84/12
    • H04W76/02H04W74/0816H04W76/10H04W84/047H04W84/12H04W88/04
    • A method and apparatus for transmitting a relay frame in a relay end are provided. The method includes: receiving a relay request frame requesting data transmission to a receive end from a transmit end; transmitting a relay response frame including information on data to be relayed to each of the transmit end and the receive end; receiving the data from the transmit end; and generating a relay frame including the data to transmit the relay frame to the receive end. According to the present invention, the data is transmitted to the receive end positioned outside a transmission coverage of the transmit end, such that a wireless LAN service coverage may be expanded, and an adjacent terminal connected to the receive end is used as the relay end, such that the transmit end that may not be connected directly to the receive end may communicate with the receive end.
    • 提供了一种用于在继电器端中发送中继帧的方法和装置。 该方法包括:从发送端接收请求数据发送到接收端的中继请求帧; 发送包括关于要中继的数据的信息的中继响应帧到发送端和接收端中的每一个; 从发送端接收数据; 以及生成包括所述数据的中继帧,以将所述中继帧发送到所述接收端。 根据本发明,将数据发送到位于发送端的发送覆盖范围之外的接收端,使得可以扩展无线LAN服务覆盖,并且将连接到接收端的相邻终端用作中继端 ,使得可以不直接连接到接收端的发送端可以与接收端通信。
    • 6. 发明授权
    • Interleaving apparatus and method for orthogonal frequency division multiplexing transmitter
    • 正交频分复用发射机的交错装置和方法
    • US07370252B2
    • 2008-05-06
    • US11129125
    • 2005-05-12
    • Jung Hak KimHun Sik KangDo Young Kim
    • Jung Hak KimHun Sik KangDo Young Kim
    • G11C19/00G11C8/00G06F12/00
    • G11C7/1042H04L27/2608
    • An interleaving apparatus and method for an OFDM transmitter are provided. The interleaving apparatus comprises a memory unit, a memory write/read control unit, a memory access address generation unit, and a second permutation and output selection unit. The memory unit includes a plurality of memory banks, which are capable of being independently controlled so that data can be written or read in/from the memory banks, each having memory cells arranged in an N×M matrix structure. The memory write/read control unit generates control signals to write/read data in/from the memory unit. The memory access address generation unit generates a memory access address used to write/read data in/from the memory unit in response to the memory write/read control signals. The second permutation and output selection unit rearranges the positions of data bits output from the memory unit and outputs the position-rearranged data bits.
    • 提供了一种用于OFDM发射机的交织装置和方法。 交织装置包括存储单元,存储器写入/读取控制单元,存储器访问地址生成单元和第二置换和输出选择单元。 存储单元包括多个存储体,其能够被独立地控制,使得数据可以从存储体中写入/读出,每个存储体具有以N×M矩阵结构排列的存储单元。 存储器写入/读取控制单元产生用于在/从存储器单元写入/读取数据的控制信号。 存储器访问地址生成单元响应于存储器写入/读取控制信号生成用于向/从存储器单元写入/读取数据的存储器访问地址。 第二置换和输出选择单元重新排列从存储器单元输出的数据位的位置,并输出位置重新排列的数据位。
    • 7. 发明授权
    • Apparatus and method for detecting packet end point in wireless communication system
    • 无线通信系统中的分组终点检测装置及方法
    • US08817921B2
    • 2014-08-26
    • US12965333
    • 2010-12-10
    • Il-Gu LeeEun-Young ChoiJung-Bo SonHun-Sik KangSok-Kyu Lee
    • Il-Gu LeeEun-Young ChoiJung-Bo SonHun-Sik KangSok-Kyu Lee
    • H04L27/14H04L27/26
    • H04L27/2656H04L5/0023H04L27/2657H04L27/2675H04L27/2678H04L27/2688
    • An apparatus for detecting a packet end point in a wireless communication system includes: a signal reception unit configured to receive a signal from an outside, convert the signal into a baseband signal, perform analog-digital conversion of the baseband signal, and perform a digital front end; a storage unit configured to store an output of the signal reception unit; a frequency offset estimation unit configured to estimate a frequency offset using the output of the storage unit; a frequency offset correction unit configured to compensate for a frequency error using the estimated frequency offset; an offset correlation unit configured to calculate correlation of the frequency offset and a cyclic prefix; an auto-correlation operation unit configured to calculate auto-correlation of the cyclic prefix; and a packet end detection unit configured to check a packet end point using the auto-correlation.
    • 一种用于在无线通信系统中检测分组终点的装置包括:信号接收单元,被配置为从外部接收信号,将该信号转换为基带信号,执行基带信号的模数转换,并执行数字 前端; 存储单元,被配置为存储所述信号接收单元的输出; 频率偏移估计单元,被配置为使用所述存储单元的输出来估计频率偏移; 频率偏移校正单元,被配置为使用所估计的频率偏移来补偿频率误差; 偏移相关单元,被配置为计算所述频率偏移和循环前缀的相关性; 自相关操作单元,被配置为计算所述循环前缀的自相关; 以及分组结束检测单元,被配置为使用所述自相关来检查分组结束点。
    • 8. 再颁专利
    • Interleaving apparatus and method for orthogonal frequency division multiplexing transmitter
    • 正交频分复用发射机的交错装置和方法
    • USRE44848E1
    • 2014-04-15
    • US12774998
    • 2010-05-06
    • Jung Hak KimHun Sik KangDo Young Kim
    • Jung Hak KimHun Sik KangDo Young Kim
    • G11C19/00G11C8/00G06F12/00
    • G11C7/1042H04L27/2608
    • An interleaving apparatus and method for an OFDM transmitter are provided. The interleaving apparatus comprises a memory unit, a memory write/read control unit, a memory access address generation unit, and a second permutation and output selection unit. The memory unit includes a plurality of memory banks, which are capable of being independently controlled so that data can be written or read in/from the memory banks, each having memory cells arranged in an N×M matrix structure. The memory write/read control unit generates control signals to write/read data in/from the memory unit. The memory access address generation unit generates a memory access address used to write/read data in/from the memory unit in response to the memory write/read control signals. The second permutation and output selection unit rearranges the positions of data bits output from the memory unit and outputs the position-rearranged data bits.
    • 提供了一种用于OFDM发射机的交织装置和方法。 交织装置包括存储单元,存储器写入/读取控制单元,存储器访问地址生成单元和第二置换和输出选择单元。 存储单元包括多个存储体,其能够被独立地控制,使得数据可以从存储体中写入/读出,每个具有以N×M矩阵结构排列的存储单元。 存储器写入/读取控制单元产生用于在/从存储器单元写入/读取数据的控制信号。 存储器访问地址生成单元响应于存储器写入/读取控制信号生成用于向/从存储器单元写入/读取数据的存储器访问地址。 第二置换和输出选择单元重新排列从存储器单元输出的数据位的位置,并输出位置重新排列的数据位。
    • 9. 发明申请
    • METHOD AND APPARATUS OF SIGNAL DETECTION IN WIRELESS LOCAL AREA NETWORK SYSTEM
    • 无线局域网络信号检测方法与装置
    • US20120163505A1
    • 2012-06-28
    • US13333691
    • 2011-12-21
    • Jung Bo SONHun Sik KANGSok Kyu LEE
    • Jung Bo SONHun Sik KANGSok Kyu LEE
    • H04L27/22
    • H04L27/0012H04L5/0023H04L5/0091H04L25/0226H04L27/2602H04L27/2675H04L27/2697
    • Disclosed is a method and receiver for detecting a wireless signal in a wireless local area network (WLAN) system. The receiver includes a radio frequency (RF) unit which receives a wireless signal; an analog/digital converter (ADC) which converts the wireless signal into a digital signal; a fast Fourier transform (FFT) unit which applies FFT to the digital signal; a multiple inputs and multiple outputs (MIMO) detector which performs channel compensation for the FFT applying result; a constellation-demapping unit which constellation-demaps with regard to the channel compensation result; a decoder which decodes the constellation-demapping result; and a high throughput (HT) detector which determines whether the wireless signal is a signal modulated with quadrature binary phase shift keying (Q-BPSK) constellation obtained by rotating binary phase shift keying (BPSK) constellation at an angle of 90 degrees on the basis of the FFT applying result.
    • 公开了一种用于在无线局域网(WLAN)系统中检测无线信号的方法和接收器。 接收机包括接收无线信号的射频(RF)单元; 模拟/数字转换器(ADC),其将无线信号转换成数字信号; 用于对数字信号应用FFT的快速傅立叶变换(FFT)单元; 执行FFT应用结果的信道补偿的多输入和多输出(MIMO)检测器; 关于信道补偿结果的星座解映射的星座解映射单元; 解码器,解码映射结果; 以及高通量(HT)检测器,其确定无线信号是否是以基于90度的角度旋转二进制相移键控(BPSK)星座获得的正交二进制相移键控(Q-BPSK)星座调制的信号 的FFT应用结果。
    • 10. 发明申请
    • APPARATUS AND METHOD FOR COMPENSATING FOR DELAY MISMATCH BETWEEN AMPLITUDE COMPONENT SIGNAL AND PHASE COMPONENT SIGNAL
    • 用于补偿AMPLITUDE组件信号和相位分量信号之间的延迟误差的装置和方法
    • US20110142177A1
    • 2011-06-16
    • US12961745
    • 2010-12-07
    • Hun-Sik KangSok-Kyu Lee
    • Hun-Sik KangSok-Kyu Lee
    • H04L27/06
    • H04L27/361
    • Provided are an apparatus and method for compensating for a delay mismatch between an amplitude component signal and a phase component signal. The apparatus includes an amplitude path delay obtainer configured to obtain amplitude-delay information on a delay occurring in a propagation path of an amplitude component signal, a phase path delay obtainer configured to obtain phase-delay information on a delay occurring in a propagation path of a phase component signal, a delay controller configured to calculate and output a difference between the obtained amplitude path delay and the obtained phase path delay, and a variable delayer configured to compensate for a delay by changing a delay value on the basis of the delay difference output from the delay controller. Using an asynchronous method, in which a signal obtained before and after a delay is used as the clock signal of a memory device and the clock signal of a register to find the delay, it is possible to reduce the complexity of the constitution and increase power efficiency.
    • 提供了一种用于补偿振幅分量信号和相位分量信号之间的延迟失配的装置和方法。 所述装置包括:幅度路径延迟获取器,被配置为获得关于在振幅分量信号的传播路径中出现的延迟的幅度延迟信息;相位路径延迟获取器,被配置为获得关于在传播路径中发生的延迟的相位延迟信息 相位分量信号,延迟控制器,被配置为计算并输出所获得的幅度路径延迟与所获得的相位路径延迟之间的差;以及可变延迟器,被配置为通过基于延迟差改变延迟值来补偿延迟 从延迟控制器输出。 使用异步方法,其中将延迟之前和之后获得的信号用作存储器件的时钟信号和寄存器的时钟信号以找到延迟,可以降低结构的复杂性并增加功率 效率。