OOK(On-Off Keying) 수신기에서 디씨 오프셋(DC Offset) 변화에 강인하게 비트 시퀀스를 검출하는 방법 및 장치

    公开(公告)号:KR1020140076853A

    公开(公告)日:2014-06-23

    申请号:KR1020120145351

    申请日:2012-12-13

    Abstract: Provided are an apparatus and a method for detecting a bit sequence, comprising the steps of selecting survivor states of a present level comprising a relatively high occurrence rate by using selection metrics for state-pairs of the calculated states based on parameters to be used to determine a probability distribution of a present receiving signal estimated in each of the states comprising a present transmission bit and a previous transmission bit; additionally removing any one of the states from the states selected in a previous level based on the latest received bit symbol included in the selected survivor states; and detecting the bit sequence based on the path to the survivor states reflecting the situation of which any one state has been additionally removed.

    Abstract translation: 提供了一种用于检测比特序列的装置和方法,包括以下步骤:基于用于确定的参数来选择包括相对较高出现率的当前级别的幸存状态 在包括当前传输位和先前传输位的每个状态中估计的当前接收信号的概率分布; 基于所选择的幸存状态中包含的最新接收到的比特符号,另外从前一级别中选择的状态中移除任何一种状态; 以及基于到幸存者状态的路径来检测反映其任何一个状态已被额外移除的情况的比特序列。

    다중 수신 안테나를 포함하는 수신기에서 생존 경로의 결합을 이용한 심볼 검출 방법
    53.
    发明公开
    다중 수신 안테나를 포함하는 수신기에서 생존 경로의 결합을 이용한 심볼 검출 방법 有权
    通过组合接收器中包含多个接收天线的路径检测符号的方法

    公开(公告)号:KR1020130044917A

    公开(公告)日:2013-05-03

    申请号:KR1020110109269

    申请日:2011-10-25

    CPC classification number: H04L1/007 H04B7/0854 H04L1/06 H04L25/4902 H04L27/02

    Abstract: PURPOSE: A symbol detection method is provided to increase an OOK(On-Off Keying) symbol detection performance or a PPM(Pulse Position Modulation) performance in a receiver including a plurality of reception antennas. CONSTITUTION: A synchronizer(451) executes time synchronization for each of paths by using preambles corresponding to two or more antennas. Header detectors(471,472) detect a header in each of the paths. A survival path selector(480) selects one or more survival path based on the preamble or the header. A combiner(493) combines signals on the one or more survival paths for demodulating payload. [Reference numerals] (421,422) Envelope detector; (451,452) Synchronizer; (461,462) Parameter calculator; (471,472) Header detector; (480) Survival path selector; (491,492) Signal compensator; (493) Combiner; (494) Determiner; (AA) Survival path; (BB) Demodulator

    Abstract translation: 目的:提供符号检测方法,以增加包括多个接收天线的接收机中的OOK(开关键控)符号检测性能或PPM(脉冲位置调制)性能。 构成:同步器(451)通过使用与两个或更多个天线相对应的前导码来执行每个路径的时间同步。 标题检测器(471,472)检测每个路径中的报头。 存活路径选择器(480)基于前导码或头部选择一个或多个存活路径。 组合器(493)组合一个或多个存活路径上的信号以解调有效载荷。 (附图标记)(421,422)包络检测器; (451,452)同步器; (461,462)参数计算器; (471,472)标题检测器; (480)生存路径选择器; (491,492)信号补偿器; (493)组合机; (494)确定器; (AA)生存路径; (BB)解调器

    메모리 장치 및 메모리 데이터 읽기 방법
    54.
    发明公开
    메모리 장치 및 메모리 데이터 읽기 방법 无效
    存储器件和存储器数据读取方法

    公开(公告)号:KR1020090117172A

    公开(公告)日:2009-11-12

    申请号:KR1020080043087

    申请日:2008-05-08

    Abstract: PURPOSE: A memory device and a memory data reading method for MLC and MBC are provided to reduce time for search reading voltage level and read from the memory device by using writing voltage level. CONSTITUTION: A memory device(100) includes a memory cell array(110), a reading unit(120), and a controller(130). The memory cell array includes memory cells. The reading unit reads data from the memory cell array and uses the first reading voltage level. The reading unit produces the first index information based on data. The controller reads the second index information stored in the memory cell array.

    Abstract translation: 目的:提供用于MLC和MBC的存储器件和存储器数据读取方法,以减少搜索读取电压电平的时间并通过使用写入电压电平从存储器件读取。 构成:存储器件(100)包括存储单元阵列(110),读取单元(120)和控制器(130)。 存储单元阵列包括存储单元。 读取单元从存储单元阵列读取数据并使用第一读取电压电平。 读取单元基于数据产生第一索引信息。 控制器读取存储在存储单元阵列中的第二索引信息。

    메모리 장치 및 메모리 데이터 읽기 방법
    55.
    发明公开
    메모리 장치 및 메모리 데이터 읽기 방법 有权
    存储器件和存储器数据读取方法

    公开(公告)号:KR1020090083204A

    公开(公告)日:2009-08-03

    申请号:KR1020080009218

    申请日:2008-01-29

    CPC classification number: G11C16/34 G11C11/5642 G11C2211/5634

    Abstract: A memory device and a memory data read method are provided to reduce an error in reading data by applying a new multi-level reading method to the multi-level cell memory. A memory device(200) comprises a multi bit cell array(210), a determination unit(220), and a buffer memory(230). The determination unit divides the multi bit cells of a memory page within the multi bit cell array into the first group and the second group, and the first group is composed of the multi bit cells having the higher threshold voltage than the reference voltage. The second group is composed of the multi bit cells having the lower-threshold voltage than the reference voltage. The determination unit updates the first and the second group through the change of the reference voltage. The buffer memory stores data about the multi bit cells of the first group and the second group.

    Abstract translation: 提供存储器件和存储器数据读取方法,以通过将新的多级读取方法应用于多级单元存储器来减少读取数据中的错误。 存储器件(200)包括多位单元阵列(210),确定单元(220)和缓冲存储器(230)。 确定单元将多位单元阵列内的存储器页的多位单元划分成第一组和第二组,并且第一组由具有比参考电压更高的阈值电压的多位单元组成。 第二组由具有比参考电压低的阈值电压的多位单元组成。 确定单元通过参考电压的改变更新第一组和第二组。 缓冲存储器存储关于第一组和第二组的多位单元的数据。

    이동통신시스템의 이동국에서 패킷데이터 제어 채널과패킷데이터 채널을 복조하는 장치 및 방법

    公开(公告)号:KR100469708B1

    公开(公告)日:2005-02-02

    申请号:KR1020020029123

    申请日:2002-05-25

    Abstract: PURPOSE: An apparatus and a method for demodulating a PDCCH(Packet Data Control CHannel) and a PDCH(Packet Data CHannel) in an MS(Mobile Station) of a mobile communication system are provided to efficiently demodulate an F(Forward)-PDCH when the F-PDCH and an F-PDCCH exist in a high-speed packet data communication system. CONSTITUTION: An F-PDCH demodulation operation control unit checks whether a CRC(Cyclic Redundancy Check) good packet exists among four F-PDCCH decoding results inputted from an F-PDCCH decoding result selecting unit(702). If the CRC good packet does not exist among the four F-PDCCH decoding results, the F-PDCH demodulation operation control unit generates an F-PDCH stop signal(704). If the CRC good packet exists among the four F-PDCCH decoding results, the F-PDCH demodulation operation control unit checks whether an F-PDCCH sequence is '000000XXXXX11'(706). If the F-PDCCH sequence is not '000000XXXXX11' and is a message indicating information about an F-PDCH, the F-PDCH demodulation operation control unit confirms whether a MAC_ID(Medium Access Control_Identification) received in an MS is an ID assigned in the MS(710). If the MAC_ID is not the ID of the MS, the F-PDCH demodulation operation control unit sets an F-PDCH stop signal as '1' and outputs the F-PDCH stop signal(712). If the MAC_ID is the ID of the MS, the F-PDCH demodulation operation control unit checks a received SP_ID(Sub-Packet_ID) value(714). If the SP_ID is 0, the F-PDCH demodulation operation control unit checks a standby SP_ID value and checks whether a current standby packet is a new packet in which the SP_ID is 0(716). If the standby SP_ID is 0, the F-PDCH demodulation operation control unit performs a normal operation(718). If the standby SP_ID is not 0, the F-PDCH demodulation operation control unit clears one corresponding to a received ARQ_ID among F-PDCH subpacket n QCTC(Quasi Complementary Turbo Code) buffers and performs the normal operation(720).

    Abstract translation: 目的:提供一种用于在移动通信系统的MS(移动台)中解调PDCCH(分组数据控制信道)和PDCH(分组数据信道)的设备和方法,以当发送F(前向)-PDCH时有效地解调F F-PDCH和F-PDCCH存在于高速分组数据通信系统中。 构成:F-PDCH解调动作控制部检查从F-PDCCH解码结果选择部(702)输入的4个F-PDCCH解码结果中是否存在CRC(Cyclic Redundancy Check:良好分组)。 如果在四个F-PDCCH解码结果中不存在CRC良好分组,则F-PDCH解调操作控制单元生成F-PDCH停止信号(704)。 如果在四个F-PDCCH解码结果中存在CRC良好分组,则F-PDCH解调操作控制单元检查F-PDCCH序列是否是“000000XXXXX11”(706)。 如果F-PDCCH序列不是'000000XXXXX11'并且是指示关于F-PDCH的信息的消息,则F-PDCH解调操作控制单元确认在MS中接收到的MAC_ID(媒体接入控制_识别)是否是在 MS(710)。 如果MAC_ID不是MS的ID,则F-PDCH解调操作控制单元将F-PDCH停止信号设置为“1”并输出F-PDCH停止信号(712)。 如果MAC_ID是MS的ID,则F-PDCH解调操作控制单元检查接收到的SP_ID(Sub-Packet_ID)值(714)。 如果SP_ID为0,则F-PDCH解调操作控制单元检查备用SP_ID值,并检查当前待机分组是否是其中SP_ID为0的新分组(716)。 如果待机SP_ID是0,则F-PDCH解调操作控制单元执行正常操作(718)。 如果备用SP_ID不为0,则F-PDCH解调操作控制单元在F-PDCH子分组n QCTC(准互补Turbo编码)缓冲器中清除对应于所接收的ARQ_ID的一个,并执行正常操作(720)。

    고속 패킷 데이터 전송 이동통신 시스템에서 패킷 데이터송신 장치 및 방법
    57.
    发明公开
    고속 패킷 데이터 전송 이동통신 시스템에서 패킷 데이터송신 장치 및 방법 无效
    用于在快速分组数据传输移动通信系统中发送分组数据的装置和方法

    公开(公告)号:KR1020030085426A

    公开(公告)日:2003-11-05

    申请号:KR1020020023846

    申请日:2002-04-30

    CPC classification number: H04W52/50 H04W52/36

    Abstract: PURPOSE: An apparatus and a method for transmitting packet data in a fast packet data transfer mobile communication system are provided to transmit common packet channel preamble from the fast packet data transfer mobile communication system, thereby preventing lowering of the receipt quality of a packet channel due to distortion of a receiving signal level generated whether the packet channel is discontinuously transmitted. CONSTITUTION: A packet data transmitter transmits packet data to a packet data channel. A preamble signal generator transmits a preamble signal according to a gain of the packet data channel. A selection signal generator generates a selection signal for transmitting the preamble signal prior to the packet data transmission point when the data transmission is started. A multiplexer outputs the preamble signal according to the selection signal. In case that the multiplexer receives no selection signal, the multiplexer time-divides and outputs the packet data.

    Abstract translation: 目的:提供一种用于在快速分组数据传输移动通信系统中发送分组数据的装置和方法,用于从快速分组数据传输移动通信系统发送公共分组信道前同步码,从而防止分组信道的接收质量降低 生成接收信号电平的失真,分组信道是否不连续发送。 构成:分组数据发送器将分组数据发送到分组数据信道。 前导码信号发生器根据分组数据信道的增益发送前导码信号。 当数据传输开始时,选择信号发生器产生用于在分组数据传输点之前发送前导信号的选择信号。 复用器根据选择信号输出前置信号。 在多路复用器接收到选择信号的情况下,多路复用器对时间分割并输出分组数据。

    이동통신 시스템의 수신 신호대간섭비 측정장치 및 방법
    58.
    发明公开
    이동통신 시스템의 수신 신호대간섭비 측정장치 및 방법 失效
    用于测量移动通信系统中的SIR的装置和方法

    公开(公告)号:KR1020030017840A

    公开(公告)日:2003-03-04

    申请号:KR1020010050878

    申请日:2001-08-23

    CPC classification number: H04B7/022 H04B1/7117 H04B17/336 H04B2201/70701

    Abstract: PURPOSE: An apparatus and a method for measuring an SIR(Signal-to-Interference Ratio) in a mobile communication system are provided to simply measure the SIR by storing receiving signal data in an off-line memory and successively calculating the SIR about each PN(Pseudo Noise) code offset included in an active set. CONSTITUTION: An off-line memory(203) stores received data in a real time, and outputs the received data with a predetermined uniform time quantity according to an external reading command. An SIR measuring unit(205) changes an external PN code offset through a command using the received data outputted from the off-line memory(203), and successively measures an SIR of a pilot channel and an SIR of a packet data channel as to each transmitter in an active set. A controller(207) provides the reading command to the off-line memory(203), provides a PN code offset value to the SIR measuring unit(205), gathers the measured result of the SIR measuring unit(205), and selects a transmitter having the maximum SIR of the packet data channel.

    Abstract translation: 目的:提供一种用于测量移动通信系统中的SIR(信号与干扰比)的装置和方法,以通过将接收信号数据存储在离线存储器中并连续计算关于每个PN的SIR来简单地测量SIR (伪噪声)码偏移包含在一个有效集合中。 构成:离线存储器(203)实时存储接收到的数据,并且根据外部读取命令以预定的均匀时间量输出接收到的数据。 SIR测量单元(205)使用从离线存储器(203)输出的接收数据通过命令改变外部PN码偏移,并且连续测量导频信道的SIR和分组数据信道的SIR 每个发射机在一个活动集。 控制器(207)向离线存储器(203)提供读取命令,向SIR测量单元(205)提供PN码偏移值,收集SIR测量单元(205)的测量结果,并选择 发射机具有分组数据信道的最大SIR。

    부호분할 다중접속 방식의 이동통신시스템에서 온-오프키잉 수신신호 검출 장치 및 방법
    59.
    发明授权
    부호분할 다중접속 방식의 이동통신시스템에서 온-오프키잉 수신신호 검출 장치 및 방법 失效
    부호분할다중접속방식의이동통신시시템에서온 - 오프키잉수신검호검출장치및방

    公开(公告)号:KR100374028B1

    公开(公告)日:2003-02-26

    申请号:KR1020000052724

    申请日:2000-09-06

    Inventor: 김종한 문희찬

    Abstract: PURPOSE: An ON-OFF key receiving signal detecting apparatus and method in a mobile communication system of CDMA are provided to detect an accurate symbol by detecting a symbol of an ON-OFF key receiving signal by using a variable critical value determined by a channel estimation energy for a reference signal experiencing the same channel as a paging indicator signal. CONSTITUTION: An ON-OFF key receiving detector computes a symbol energy of a paging indicator signal which has passed a channel(610). The computation operation may be operations such as a back diffusion for the receiving signal, a symbol accumulation and a phase compensation. The ON-OFF key receiving signal detector computes an energy of a reference signal which passes the same channel(620). At this time, the reference signal is a signal which the receiver already recognizes its amplitude, for which a common channel signal may be used. The ON-OFF key receiving signal detector determines a symbol detection critical value by using the reference signal energy(630). At this time, the determining operation may be an operation of multiplying a reference signal energy by a predetermined gain to convert the magnitude of the reference signal energy. The ON-OFF key receiving signal detector detects a symbol of the paging indicator signal according to the determined symbol detection critical value. This is possibly performed by comparing the energy of the paging indicator signal with the symbol detection critical value.

    Abstract translation: 目的:提供一种CDMA移动通信系统中的开 - 关键接收信号检测装置和方法,用于通过使用由信道估计确定的可变临界值检测开 - 关键接收信号的符号来检测准确的符号 能量用于经历与寻呼指示符信号相同的信道的参考信号。 构成:开 - 关键接收检测器计算已经通过信道(610)的寻呼指示符信号的符号能量。 计算操作可以是诸如接收信号的反向扩散,符号累积和相位补偿之类的操作。 开 - 关键接收信号检测器计算通过相同信道的参考信号的能量(620)。 此时,参考信号是接收机已经识别其幅度的信号,对此可以使用公共信道信号。 开 - 关键接收信号检测器通过使用参考信号能量确定符号检测临界值(630)。 此时,确定操作可以是将参考信号能量乘以预定增益以转换参考信号能量的大小的操作。 开关键接收信号检测器根据确定的符号检测临界值检测寻呼指示符信号的符号。 这可能通过将寻呼指示符信号的能量与符号检测临界值进行比较来执行。

    불휘발성 메모리 장치 및 그 제조방법
    60.
    发明授权
    불휘발성 메모리 장치 및 그 제조방법 失效
    非易失性存储器件及其制造方法

    公开(公告)号:KR100343137B1

    公开(公告)日:2002-07-05

    申请号:KR1019990012025

    申请日:1999-04-07

    Abstract: 불휘발성메모리장치및 그제조방법에관해개시되어있다. 셀영역에형성되어터널링산화막으로사용되는게이트절연막을질화된산화막으로형성하되, 주변회로영역에형성되는트랜지스터의게이트절연막을이보다먼저형성하여셀 영역에질화된산화막으로게이트절연막을형성시주변회로영역의게이트산화막을옥시나이트라이드막등으로전환시킨다. 이와같은방법으로셀 영역에질화된산화막을형성하면주변회로부에형성되는트랜지스터를특성저하없이형성할수 있다. 또한, 주변회로영역에서게이트절연막을정상적으로성장시킬수 있고, 기판과게이트절연막의본딩이약화되는것과전하의트랩핑사이트(trapping sites) 및게이트절연막사이의불균일성장이증가되는것을방지할수 있다.

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