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。

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。

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。

公开(公告)号：US5936887A

公开(公告)日：1999-08-10

申请号：US910025

申请日：1997-08-12

申请人： Jung-Dal Choi ,  Dong-Jun Kim ,  Wang-Chul Shin ,  Jong-Han Kim

发明人： Jung-Dal Choi ,  Dong-Jun Kim ,  Wang-Chul Shin ,  Jong-Han Kim

IPC分类号： H01L21/8247 ,  G11C11/56 ,  H01L27/10 ,  H01L27/115 ,  H01L29/788 ,  H01L29/792 ,  G11C11/34

CPC分类号： H01L27/115 ,  G11C11/5621 ,  G11C16/0483 ,  H01L27/11521 ,  G11C16/24 ,  G11C2211/5649 ,  G11C7/18

摘要： A non-volatile memory device is disclosed in which a pair of two adjacent memory cell strings are commonly connected to one bit line and the memory cell strings are selectively driven to obtain a relatively wide pitch margin between two bit lines. The device has a conductive plate line which is located along each memory cell string or a pair of memory cell strings to drive memory cells thereof with a relatively low program voltage to a word line. The memory device comprises a plurality of memory cell strings which are arranged in parallel with one another and each of which extends in the same direction as a bit line 12, and a pair of two adjacent memory cell strings 11a and 11b are commonly connected to the bit line 12. The memory device also comprises a string selector for selecting either the first string 11a or the second string 11b in response to signals from string select lines SSL1 and SSL2, and a plurality of plate lines PLa or 21a and PLb or 21b which are respectively arranged on the first and second strings 11a and 11b. In the memory cell, if voltages having different levels are applied to the control gate of a memory cell of the string selected thus and the plate line, at least more than two coupling voltages are induced to a floating gate of a corresponding memory cell so that two bits of information can be stored in and read out of one memory cell. The memory device has a cell structure in which a pair of two adjacent memory cell strings are commonly connected to one bit line, so that margin width between two bit lines, i.e., a bit line pitch can be relatively widely obtained.

摘要翻译： 公开了一种非易失性存储器件，其中一对两个相邻的存储器单元串共同连接到一个位线，并且存储器单元串被选择性地驱动以在两个位线之间获得相对较宽的间距余量。 该装置具有沿着每个存储单元串或一对存储单元串定位的导电板线，以将具有相对低的编程电压的存储单元驱动到字线。 存储器件包括彼此并联布置的多个存储单元串，并且每个存储单元串沿与位线12相同的方向延伸，并且一对两个相邻的存储单元串11a和11b共同连接到 存储装置还包括用于响应于来自串选择线SSL1和SSL2的信号以及多个板线PLa或21a和PLb或21b而选择第一串11a或第二串11b的串选择器，其中 分别布置在第一和第二弦11a和11b上。 在存储单元中，如果将具有不同电平的电压施加到由此选择的串的存储单元的控制栅极和板线，则至少两个耦合电压被感应到相应存储单元的浮动栅极，使得 两位信息可以存储在一个存储单元中并从其中读出。 存储器件具有单元结构，其中一对两个相邻的存储单元串共同连接到一个位线，使得可以相对广泛地获得两个位线之间的裕度宽度，即位线间距。

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。

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。