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31. 发明授权

US07253707B2 Tunable active inductor 有权
标题翻译：可调谐有源电感
公开(公告)号：US07253707B2
公开(公告)日：2007-08-07
申请号：US11141123
申请日：2005-05-31
申请人： Rajarshi Mukhopadhy , Sebastien Nuttinck , Sang-Hyun Woo , Jong-Han Kim , Seong-Soo Lee , Chang-Ho Lee , Joy Laskar
发明人： Rajarshi Mukhopadhy , Sebastien Nuttinck , Sang-Hyun Woo , Jong-Han Kim , Seong-Soo Lee , Chang-Ho Lee , Joy Laskar
IPC分类号： H03H11/00 , H03H11/04
CPC分类号： H03H11/50 , H03H11/48
摘要： An active inductor capable of tuning a self-resonant frequency, an inductance, a Q factor, and a peak Q frequency by applying a tunable feedback resistor to a cascode-grounded active inductor is disclosed. The tunable active inductor includes a first transistor having a source connected to a power supply voltage and a gate connected to first bias voltage; a second transistor having a drain connected to a drain of the first transistor and a gate connected to a second bias voltage; a third transistor having a drain connected to a source of the second transistor and a source connected to a ground voltage; a fourth transistor having a drain connected to a gate of the third transistor, a source connected to the ground voltage and a gate connected to a third bias voltage; a fifth transistor having a source connected to the drain of the fourth transistor and a drain connected to the power supply voltage.
摘要翻译：公开了一种通过将可调谐反馈电阻器施加到共源共栅接地有源电感器来调谐自谐振频率，电感，Q因子和峰值Q频率的有源电感器。可调谐有源电感器包括具有连接到电源电压的源极和连接到第一偏置电压的栅极的第一晶体管; 第二晶体管，具有连接到所述第一晶体管的漏极的漏极和连接到第二偏置电压的栅极; 具有连接到所述第二晶体管的源极的漏极和连接到接地电压的源极的第三晶体管; 具有连接到第三晶体管的栅极的漏极的第四晶体管，连接到接地电压的源极和连接到第三偏置电压的栅极; 第五晶体管，其源极连接到第四晶体管的漏极，漏极连接到电源电压。

32. 发明授权

US07170923B2 Apparatus and method for detecting discontinuous transmission period in a CDMA mobile communication system 有权
标题翻译：用于在CDMA移动通信系统中检测不连续传输周期的装置和方法
公开(公告)号：US07170923B2
公开(公告)日：2007-01-30
申请号：US10338714
申请日：2003-01-09
申请人： Soo-Bok Yeo , Sang-Min Bae , Ji-Won Ha , Jong-Han Kim
发明人： Soo-Bok Yeo , Sang-Min Bae , Ji-Won Ha , Jong-Han Kim
IPC分类号： H04B1/69 , H04B7/00 , H04B7/216
CPC分类号： H04L1/20 , H04B1/70755 , H04B2201/70709 , H04L1/201
摘要： An apparatus for detecting a frame transmission period in a CDMA mobile communication system supporting a discontinuous transmission mode. A first frame detector performs primary frame detection by calculating a signal-to-interference ratio (SIR) using traffic symbol energy, pilot symbol energy and noise energy measured for a predetermined time period, and comparing the SIR with a predetermined frame detection threshold value. A decoder calculates a symbol error rate (SER) by decoding symbols received for the predetermined time period. A second frame detector selects an SER threshold value according to frame detection information from the first frame detector, and compares the selected SER threshold value with the SER to determine whether a frame has been transmitted.
摘要翻译：一种在支持不连续传输模式的CDMA移动通信系统中检测帧传输周期的装置。第一帧检测器通过使用在预定时间段内测量的业务符号能量，导频符号能量和噪声能量，并将SIR与预定帧检测阈值进行比较来计算信号干扰比（SIR）来执行主帧检测。解码器通过解码在预定时间段内接收到的符号来计算符号错误率（SER）。第二帧检测器根据来自第一帧检测器的帧检测信息选择SER阈值，并将所选择的SER阈值与SER进行比较，以确定帧是否已被发送。

33. 发明授权

US07039002B2 Apparatus and method for transmitting packet data using walsh codes in a mobile communication system 失效
标题翻译：在移动通信系统中使用沃尔什码发送分组数据的装置和方法
公开(公告)号：US07039002B2
公开(公告)日：2006-05-02
申请号：US10052982
申请日：2002-01-17
申请人： Jin-Woo Heo , Sang-Min Bae , Seong-Woo Ahn , Jong-Han Kim
发明人： Jin-Woo Heo , Sang-Min Bae , Seong-Woo Ahn , Jong-Han Kim
IPC分类号： H04J11/00
CPC分类号： H04B1/7097 , H04B7/264 , H04B2201/70703 , H04J13/0048 , Y02D70/40 , Y02D70/449
摘要： There is provided an apparatus and method for using QOF (Quasi-Orthogonal Function) Walsh codes when enough orthogonal Walsh codes are not available for a packet data service in a mobile communication system supporting concurrent provision of a high rate packet data service and a circuit call service. A data rate (DR1) in the case of using available orthogonal Walsh codes is first obtained. Then, a data rate (DR2) in the case of using QOF Walsh codes is obtained considering a power reduction factor due to the increase of interference involved with the use of the QOF Walsh codes. Packet data is transmitted at a higher data rate of DR1 and DR2. At the same time, information about the selected data rate and information about whether the QOF Walsh codes are used or not are transmitted.
摘要翻译：提供了一种在支持同时提供高速率分组数据业务和电路呼叫的移动通信系统中足够的正交沃尔什码不适用于分组数据业务的情况下使用QOF（准正交函数）沃尔什码的装置和方法服务。首先获得在使用可用的正交沃尔什码的情况下的数据速率（DR1）。然后，考虑到由于使用QOF沃尔什码所引起的干扰的增加，考虑到功率减小因子，获得使用QOF沃尔什码的情况下的数据速率（DR2）。分组数据以较高的数据速率DR1和DR2发送。同时，发送关于选择的数据速率的信息和关于是否使用QOF沃尔什码的信息。

34. 发明授权

US06532252B1 Device and method for measuring non-orthogonal noise power for CDMA communication system 失效
标题翻译：用于测量CDMA通信系统的非正交噪声功率的装置和方法
公开(公告)号：US06532252B1
公开(公告)日：2003-03-11
申请号：US09332672
申请日：1999-06-14
申请人： Hi-Chan Moon , Jong-Han Kim
发明人： Hi-Chan Moon , Jong-Han Kim
IPC分类号： H04B1700
CPC分类号： H04B1/7097 , H04B7/005
摘要： A non-orthogonal noise detecting device for a CDMA communication system. In the device, a despreader despreads multiple channel signals including a specific channel with an orthogonal code assigned to the specific channel repeating at least two same second symbols at a given first symbol duration, to generate despread repeated symbols. A difference signal generator receives the despread second symbols, and generates a difference signal between a presently received second symbol and a previously received second symbol. A noise detector converts the difference signal to an energy value to generate a non-orthogonal noise signal.
摘要翻译：一种用于CDMA通信系统的非正交噪声检测装置。在该装置中，去扩展器将包括特定信道的多信道信号在给定的第一符号持续时间内对分配给特定信道的正交码进行解扩，重复至少两个相同的第二符号，以产生解扩的重复符号。差分信号发生器接收去扩展的第二符号，并且在当前接收的第二符号和先前接收到的第二符号之间产生差分信号。噪声检测器将差分信号转换成能量值以产生非正交噪声信号。

35. 发明授权

US5818363A Runlength coding apparatus for use in a video signal encoding system 失效
标题翻译：用于视频信号编码系统的运行长度编码装置
公开(公告)号：US5818363A
公开(公告)日：1998-10-06
申请号：US876281
申请日：1997-06-16
申请人： Jong-Han Kim
发明人： Jong-Han Kim
IPC分类号： G06T9/00 , H03M7/46 , H04N19/423 , H04N19/436 , H04N19/46 , H04N19/60 , H04N19/625 , H04N19/70 , H04N19/91 , H04N19/93
CPC分类号： H03M7/46 , G06T9/005
摘要： A runlength coding apparatus converts an input data stream including a plurality of zeros and non-zero values to a runlength coded signal. The apparatus has an input buffer, a runlength detector, and a level detector. First, the input buffer generates a first and a second sequences of the input data stream. The runlength detector provides runlengths based on the first and the second sequences, and generates indicating signals by checking whether each of elements in the first and the second sequences is zero. Meanwhile, the level detector supplies levels based on the indicating signals and the first and the second sequences. The detected runlengths and levels are combined a multiplicity of run-level pairs and provided as the runlength coded signal.
摘要翻译：游程编码装置将包括多个零和非零值的输入数据流转换为游程编码信号。该装置具有输入缓冲器，游程长度检测器和电平检测器。首先，输入缓冲器产生输入数据流的第一和第二序列。游程长度检测器基于第一和第二序列提供游程长度，并且通过检查第一和第二序列中的每个元素是否为零来生成指示信号。同时，电平检测器基于指示信号和第一和第二序列提供电平。检测到的游程长度和级别组合了多个运行级对，并作为游程长度编码信号提供。

36. 发明授权

US5584056A Dual-bandwidth cellular telephone switching apparatus 失效
标题翻译：双频蜂窝式电话交换机
公开(公告)号：US5584056A
公开(公告)日：1996-12-10
申请号：US518974
申请日：1995-08-24
申请人： Jong-Han Kim
发明人： Jong-Han Kim
IPC分类号： H04B7/26 , H04B1/40 , H04W84/04 , H04W88/06 , H04W88/14 , H04B1/38
CPC分类号： H04B1/005 , H04B1/406 , H04W84/042 , H04W88/06 , H04W88/14
摘要： A dual-bandwidth cellular telephone switching apparatus comprising a signal receiver, the signal receiver including an antenna for receiving radio frequency signals on a field corresponding to frequency bands of at least two different cellular telephone systems, a duplexer for passing a desired frequency band component of output signals from the antenna, a low-noise amplifier for amplifying a feeble signal from the duplexer, a band pass filter for passing a desired frequency band component of an output signal from the low-noise amplifier, a synthesizer for detecting a channel being presently serviced and a mixer for mixing an output signal from the band pass filter with an output signal from the synthesizer to produce an intermediate frequency signal. The dual-bandwidth cellular telephone switching apparatus further comprises a switching section including first and second switching circuits. The first and second switching circuits selectively switch power to the two different cellular telephone systems under control of a central controller to selectively transfer an output signal from the mixer in the signal receiver thereto.
摘要翻译：一种双频带宽蜂窝电话交换设备，包括信号接收机，信号接收机包括用于在与至少两个不同蜂窝电话系统的频带相对应的场上接收射频信号的天线，用于将期望的频带分量来自天线的输出信号，用于放大来自双工器的微弱信号的低噪声放大器，用于将来自低噪声放大器的输出信号的期望频带分量传递的带通滤波器，用于检测当前信道的合成器以及用于将来自带通滤波器的输出信号与来自合成器的输出信号混合以产生中频信号的混频器。双带宽蜂窝电话交换设备还包括一个包括第一和第二交换电路的切换部分。第一和第二开关电路在中央控制器的控制下选择性地切换到两个不同的蜂窝电话系统的电源，以选择性地将信号接收器中的混频器的输出信号传送到其上。

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