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    • 32. 发明授权
    • Multiple access system and method for 60 GHz wireless communications system
    • 用于60 GHz无线通信系统的多址系统和方法
    • US08396042B2
    • 2013-03-12
    • US12479424
    • 2009-06-05
    • Kyeongpyo KimJin Kyeong KimWoo Yong LeeYong Sun KimNae-Soo KimCheol Sig Pyo
    • Kyeongpyo KimJin Kyeong KimWoo Yong LeeYong Sun KimNae-Soo KimCheol Sig Pyo
    • H04W4/00H04J1/00H04J4/00
    • H04W72/1252H04W74/08H04W84/12
    • A control apparatus for use in wireless communications includes an antenna unit having antennas, the number of the antennas being equal to a maximum allowable number of connections in a specific frequency band; and a controller for receiving a connection request signal from each terminal attempting to connect to the control apparatus via the antenna unit, and transmitting and receiving a data signal to and from each terminal connected to the control apparatus by using a multiple-input-multiple-output scheme. The controller transmit and receive the data signal to and from each terminal connected to the control apparatus by obtaining a signal value of each antenna based on a predicted channel matrix and the number and types of terminals connected to the control apparatus via the antenna and separating the data signal for each terminal from the signal value according to the multiple-input-multiple-output scheme.
    • 用于无线通信的控制装置包括具有天线的天线单元,天线的数量等于特定频带中的最大允许连接数; 以及控制器,用于从每个终端接收尝试经由天线单元连接到控制装置的连接请求信号,并且通过使用多输入多重连接方式向连接到控制装置的每个终端发送数据信号和从每个终端接收数据信号, 输出方案。 控制器通过基于预测的信道矩阵以及通过天线连接到控制装置的终端的数量和类型获得每个天线的信号值来向连接到控制装置的每个终端发送数据信号并从每个终端接收数据信号, 根据多输入多输出方案从信号值得到每个终端的数据信号。
    • 35. 发明申请
    • SYSTEM AND METHOD FOR HIERARCHICALLY COMMUNICATING INFORMATION USING CACHE SERVER
    • 使用高速缓存服务器进行信息交换的系统和方法
    • US20080140810A1
    • 2008-06-12
    • US11947547
    • 2007-11-29
    • Yong Sun KIMKyeongpyo KimJin Kyeong KimNae Soo KimCheol Sig Pyo
    • Yong Sun KIMKyeongpyo KimJin Kyeong KimNae Soo KimCheol Sig Pyo
    • G06F15/16
    • H04L67/12H04L67/2842
    • Provided is a method and system for hierarchically communicating information between a user and an information providing server that provides information requested by the user. The system includes at least one sensor node, upon receipt of an information request message sent by the user through a terminal, searching for information corresponding to the information request message in a first cache mounted therein and sending the information request message if the corresponding information is not found in the first cache, and a cache server, upon receipt of the information request message from the at least one sensor node, searching for the information corresponding to the information request message in a second cache mounted therein, sending the information request message to the information providing server if the corresponding information is not found in the second cache, receiving the corresponding information, transmitting the received information to the sensor node, and updating the second cache.
    • 提供了一种用于在用户和提供用户请求的信息的信息提供服务器之间分层传送信息的方法和系统。 该系统包括至少一个传感器节点,当接收到用户通过终端发送的信息请求消息时,在安装在其中的第一高速缓存中搜索对应于该信息请求消息的信息,并且如果相应的信息是 在第一高速缓存中没有找到缓存服务器;以及缓存服务器,在从所述至少一个传感器节点接收到所述信息请求消息时,在安装在其中的第二高速缓存器中搜索对应于所述信息请求消息的信息,将所述信息请求消息发送到 信息提供服务器,如果在第二高速缓存中没有找到对应的信息,则接收对应的信息,将所接收的信息发送到传感器节点,并更新第二高速缓存。
    • 40. 发明授权
    • Video decoder for high picture quality
    • 视频解码器,用于高画质
    • US06233280B1
    • 2001-05-15
    • US09223752
    • 1998-12-31
    • Jin Kyeong KimHwa Young Lyu
    • Jin Kyeong KimHwa Young Lyu
    • H04B166
    • H04N19/61H04N7/015H04N19/13H04N19/91
    • A video decoder for high definition television includes a variable length decoder decoding codes corresponding to discrete cosine transform (DCT) coefficients of an applied video bit stream, and produces a run-level pair for each code. An index decoder stores run-level pairs produced from the variable length decoder, and produces the position information indicating the number of a level value of a corresponding run-level pair among 64 DCT coefficients. An inverse quantizer obtains an added value corresponding to the position information of the index decoder from a quantization matrix, and performs an inverse quantization by multiplying a quantizer level for determining a quantization step and DCT coefficient to the added value. An inverse scanner includes a plurality of memories, and inversely scanning the DCT coefficient inversely quantized and applied serially from the inverse quantizer and produces the DCT coefficient in parallel at the same time. An inverse discrete cosine transformer performs an inverse DCT (IDCT) of the DCT coefficient produced in parallel from the inverse scanner.
    • 用于高分辨率电视的视频解码器包括可变长度解码器解码与应用的视频比特流的离散余弦变换(DCT)系数对应的代码,并为每个代码产生运行级对。 索引解码器存储从可变长度解码器产生的游程级对,并且产生指示64个DCT系数中的对应的游程级对的级别值的数量的位置信息。 逆量化器从量化矩阵获得与索引解码器的位置信息相对应的相加值,并且通过将用于确定量化步长的量化器电平和DCT系数乘以相加值来执行逆量化。 逆扫描器包括多个存储器,并且逆向扫描从逆量化器反序量化并串行应用的DCT系数,并同时产生DCT系数。 逆离散余弦变换器执行从逆扫描器并行产生的DCT系数的逆DCT(IDCT)。