公开(公告)号：US07248654B2

公开(公告)日：2007-07-24

申请号：US10856052

申请日：2004-05-27

Applicant: Yun-Jeong Song ,  Young-Wan Kim ,  Ho-Jin Lee

Inventor： Yun-Jeong Song ,  Young-Wan Kim ,  Ho-Jin Lee

IPC: H04L27/08

CPC classification number: H04L27/2647 ,  H04L27/3809 ,  H04L2027/0016

Abstract: An apparatus and a method for controlling a gain of I-channel signal and compensating Q-channel signal in response to the gain imbalance based on the gain-controlled I-channel signal as a reference channel signal is disclosed. The apparatus includes: an auto gain controller for controlling a gain of a signal selected from the I-channel signal and the Q-channel signal to have a predetermined amplitude, thereby generating a gain-controlled signal; a detector for detecting a gain imbalance between the gain-controlled signal and the remaining channel signal; and a compensator for compensating the gain imbalance of the remaining channel signal based on the detected gain imbalance.

Abstract translation: 公开了一种用于基于作为参考信道信号的增益控制的I信道信号来响应于增益不平衡来控制I信道信号的增益和补偿Q信道信号的装置和方法。 该装置包括：自动增益控制器，用于控制从I信道信号和Q信道信号中选出的信号的增益以具有预定幅度，由此产生增益控制信号; 检测器，用于检测增益控制信号和剩余信道信号之间的增益不平衡; 以及补偿器，用于基于检测到的增益不平衡来补偿剩余通道信号的增益不平衡。

公开(公告)号：US20070127599A1

公开(公告)日：2007-06-07

申请号：US11605646

申请日：2006-11-29

Applicant: Yung-Jeong Song ,  Deock-Gil Oh ,  Ho-Jin Lee

Inventor： Yung-Jeong Song ,  Deock-Gil Oh ,  Ho-Jin Lee

IPC: H04L27/00 ,  H03D1/04

CPC classification number: H04L27/3863 ,  H03D3/009 ,  H04B1/12

Abstract: An apparatus and method for phase recovery and I/O imbalance compensation in a quadrature demodulating receiver are provided. The apparatus includes: a phase error compensating unit for compensating a phase error for a reference channel which is one of the I channel and the Q channel; and a phase imbalance compensation unit for compensating a phase imbalance between the reference channel and a target channel that is the other of the I channel and the Q channel for the target channel based on the reference channel that is the phase error compensated channel at the phase error compensating unit.

Abstract translation: 提供了一种用于正交解调接收机中的相位恢复和I / O不平衡补偿的装置和方法。 该装置包括：相位误差补偿单元，用于补偿作为I信道和Q信道之一的参考信道的相位误差; 以及相位不平衡补偿单元，用于基于作为相位的相位误差补偿信道的参考信道来补偿参考信道和作为目标信道的I信道和Q信道中的另一个的目标信道之间的相位不平衡 误差补偿单元。

公开(公告)号：US20070084248A1

公开(公告)日：2007-04-19

申请号：US11516205

申请日：2006-09-06

Applicant: Jin-Haing Kim ,  Ho-Jin Lee ,  Mun-Hyun Do ,  Jae-Hyeon Seong ,  Yun-Ho Kim

Inventor： Jin-Haing Kim ,  Ho-Jin Lee ,  Mun-Hyun Do ,  Jae-Hyeon Seong ,  Yun-Ho Kim

IPC: C03B37/07 ,  C03B37/018 ,  F27B1/26

CPC classification number: C03B37/0142 ,  C03B2207/64 ,  C03B2207/66 ,  C03B2207/70 ,  Y02P40/57

Abstract: Disclosed is a vapor axial deposition apparatus. The vapor axial deposition apparatus includes a first torch, a second torch, a temperature measuring unit and a controller unit. The first torch deposits soot on a distal end of a soot preform aligned with a vertical axis to thereby grow a core. The second torch deposits soot on an outer circumferential surface of the core to thereby grow a clad. The temperature measuring unit detects the temperature distribution of an end portion of the soot preform along the vertical axis. The controller unit determines first and second relative maximum temperatures T1 and T3, and relative minimum temperature T2 between T1 and T3 in the detected temperature distribution, and controls T1 to be within a predetermined range and the greater one of the difference (T1−T2) and (T3−T2) to not exceed a predetermined temperature.

Abstract translation: 公开了一种蒸气轴向沉积装置。 蒸气轴向沉积装置包括第一炬，第二炬，温度测量单元和控制器单元。 第一个火炬放置在烟炱预制件的远端上与竖直轴线对齐，从而生长芯。 第二焊炬在芯的外周表面上沉积烟灰，从而生长包层。 温度测量单元沿垂直轴检测煤烟预制件的端部的温度分布。 控制器单元在检测到的温度分布中确定第一和第二相对最高温度T 1和T 3以及T 1和T 3之间的相对最低温度T 2，并且控制T 1在预定范围内，并且较大的 差（T 1 -T 2）和（T 3 -T 2）不超过预定温度。

公开(公告)号：US07203251B2

公开(公告)日：2007-04-10

申请号：US10960415

申请日：2004-10-06

Applicant: Young-Wan Kim ,  Yun-Jeong Song ,  Nae-Soo Kim ,  Ho-Jin Lee

Inventor： Young-Wan Kim ,  Yun-Jeong Song ,  Nae-Soo Kim ,  Ho-Jin Lee

IPC: H04L27/00 ,  H00B7/212

CPC classification number: H04L27/0014 ,  H04B1/28 ,  H04L2027/0028 ,  H04L2027/0057

Abstract: The present invention provides an apparatus for compensating a phase difference of a receiver, the apparatus including: an accumulating unit for accumulating a radio frequency (RF) input signal and generating an accumulated RF signal in order to minimize an effect of a background noise of the RF input signal; a early-local oscillating unit for generating a phase-early local oscillated signal based on a local oscillated signal of the receiver; a late-local oscillating unit for generating a phase-late local oscillated signal based on a local oscillated signal of the receiver; a phase early-late compensating unit for compensating a phase early-late based on the accumulated RF input signal and the phase-early and phase-late local oscillated signals; a look-up table data mapping unit for controlling a phase of the local oscillated signal with respect to a phase difference; and a feedback transmitting unit for transmitting a phase compensating data to the local oscillator.

Abstract translation: 本发明提供了一种用于补偿接收机的相位差的装置，该装置包括：累加单元，用于累积射频（RF）输入信号并产生累积的RF信号，以便最小化背景噪声的影响 RF输入信号; 早期本地振荡单元，用于基于接收机的本地振荡信号产生相位早期本地振荡信号; 一个后局部振荡单元，用于基于接收器的本地振荡信号产生相位较晚的本地振荡信号; 一个相位早期补偿单元，用于基于累积的RF输入信号和相位早和相位晚的本地振荡信号来补偿相位的早期阶段; 查找表数据映射单元，用于控制相对于相位差的本地振荡信号的相位; 以及用于将相位补偿数据发送到本地振荡器的反馈发送单元。

公开(公告)号：US07187725B2

公开(公告)日：2007-03-06

申请号：US10839383

申请日：2004-05-04

Applicant: Yun-Jeong Song ,  PanSoo Kim ,  Ho-Jin Lee

Inventor： Yun-Jeong Song ,  PanSoo Kim ,  Ho-Jin Lee

IPC: H04L27/00 ,  H04L27/08

CPC classification number: H04L27/22 ,  H04L27/3809 ,  H04L2027/0016 ,  H04L2027/0024

Abstract: An apparatus and method for compensating an imbalance of phase and gain between I-channel and Q-channel by using variable loop gains is disclosed. The apparatus includes: a phase error generator for generating a phase error signal by using the I-channel signal and the Q-channel signal; an average value calculator for calculating an average value of the phase error signal; a comparator for comparing the average value with a predetermined threshold; a selector for selecting a loop gain value among a set of loop gains based on the comparison result; a phase imbalance generator for generating a phase imbalance by using the selected loop gain value; and a compensator for compensating the Q-channel signal based on the phase imbalance.

Abstract translation: 公开了一种用于通过使用可变环路增益来补偿I信道和Q信道之间的相位和增益不平衡的装置和方法。 该装置包括：相位误差发生器，用于通过使用I信道信号和Q信道信号产生相位误差信号; 用于计算相位误差信号的平均值的平均值计算器; 用于将所述平均值与预定阈值进行比较的比较器; 用于根据比较结果在一组循环增益中选择一个环路增益值的选择器; 相位不平衡发生器，用于通过使用所选择的环路增益值来产生相位不平衡; 以及用于基于相位不平衡来补偿Q通道信号的补偿器。

公开(公告)号：US20060133314A1

公开(公告)日：2006-06-22

申请号：US11305587

申请日：2005-12-16

Applicant: Ki-Dong Lee ,  Deock-Gil Oh ,  Ho-Jin Lee

Inventor： Ki-Dong Lee ,  Deock-Gil Oh ,  Ho-Jin Lee

IPC: H04Q7/00 ,  H04L12/43

CPC classification number: H04L41/0896 ,  H04W28/20

Abstract: Provided are an apparatus for estimating an increment in the number of packets arriving at a transmission queue of each terminal and allocating resources to terminals based on the increment in a Demand Assignment Multiple Access (DAMA) satellite communication system, and a method thereof. The method, includes the steps of: a) comparing a summation of requested time slot quantities of terminals with a total number of available time slots; and b) allocating the time slots as much as the requested time slot quantity to each terminal and allocating remaining time slots additionally in proportion to an estimated increase in the number of packets arriving at a transmission queue of each terminal. The apparatus can raise efficiency of resources allocation in DAMA communications and reduce the packet transmission time in a terminal transmission queue.

Abstract translation: 提供了一种用于估计到达每个终端的传输队列的分组数量的增量的装置，并且基于在请求分配多路访问（DAMA）卫星通信系统中的增量向终端分配资源及其方法。 该方法包括以下步骤：a）将所请求的终端时隙量的总和与可用时隙的总数进行比较; 以及b）将所请求的时隙数量的时隙分配给每个终端，并且分配剩余时隙，以与到达每个终端的传输队列的分组数量的估计增加成比例地分配剩余时隙。 该装置可以提高DAMA通信中资源分配的效率，并减少终端传输队列中的分组传输时间。

公开(公告)号：US20050157815A1

公开(公告)日：2005-07-21

申请号：US10955759

申请日：2004-09-29

Applicant: PanSoo Kim ,  Ho-Jin Lee

Inventor： PanSoo Kim ,  Ho-Jin Lee

IPC: H03D3/00 ,  H04L25/06 ,  H04L27/12 ,  H04L27/36 ,  H04L27/38

CPC classification number: H04L25/061 ,  H03D3/008 ,  H03D3/009 ,  H04L27/364 ,  H04L27/3863

Abstract: A quadrature transceiving system for compensating a direct current (CD) offset, a gain imbalance and a phase imbalance between an I-channel signal and a Q-channel in a quadrature transmitting system is disclosed. The quadrature transceiving system includes a transmitter for detecting a DC offset, a gain imbalance and a phase imbalance by using an average of a data aided signals included in a RF transmitting signal and compensating one of the I-channel and the Q-channel based on the detected imbalances and DC offset; and a receiver for detecting a DC offset, a gain imbalance and a phase imbalance by varying loop filter gain and compensating one of the I-channel and the Q-channel based on the detected imbalances and DC offset.

Abstract translation: 公开了用于补偿正交发送系统中的I信道信号和Q信道之间的直流（CD）偏移，增益不平衡和相位不平衡的正交收发系统。 正交收发系统包括用于通过使用包括在RF发射信号中的数据辅助信号的平均值来检测DC偏移，增益不平衡和相位不平衡的发射机，并且基于I信道和Q信道中的一个基于 检测到不平衡和直流偏移; 以及用于通过改变环路滤波器增益来检测DC偏移，增益不平衡和相位不平衡的接收器，并且基于检测到的不平衡和DC偏移来补偿I信道和Q信道之一。

公开(公告)号：US20050141654A1

公开(公告)日：2005-06-30

申请号：US10960415

申请日：2004-10-06

Applicant: Young-Wan Kim ,  Yun-Jeong Song ,  Nae-Soo Kim ,  Ho-Jin Lee

Inventor： Young-Wan Kim ,  Yun-Jeong Song ,  Nae-Soo Kim ,  Ho-Jin Lee

IPC: H04B1/28 ,  H04L27/00 ,  H04L27/06

CPC classification number: H04L27/0014 ,  H04B1/28 ,  H04L2027/0028 ,  H04L2027/0057

Abstract: The present invention provides an apparatus for compensating a phase difference of a receiver, the apparatus including: an accumulating unit for accumulating a radio frequency (RF) input signal and generating an accumulated RF signal in order to minimize an effect of a background noise of the RF input signal; a early-local oscillating unit for generating a phase-early local oscillated signal based on a local oscillated signal of the receiver; a late-local oscillating unit for generating a phase-late local oscillated signal based on a local oscillated signal of the receiver; a phase early-late compensating unit for compensating a phase early-late based on the accumulated RF input signal and the phase-early and phase-late local oscillated signals; a look-up table data mapping unit for controlling a phase of the local oscillated signal with respect to a phase difference; and a feedback transmitting unit for transmitting a phase compensating data to the local oscillator.

Abstract translation: 本发明提供了一种用于补偿接收机的相位差的装置，该装置包括：累加单元，用于累积射频（RF）输入信号并产生累积的RF信号，以便最小化背景噪声的影响 RF输入信号; 早期本地振荡单元，用于基于接收机的本地振荡信号产生相位早期本地振荡信号; 一个后局部振荡单元，用于基于接收器的本地振荡信号产生相位较晚的本地振荡信号; 一个相位早期补偿单元，用于基于累积的RF输入信号和相位早和相位晚的本地振荡信号来补偿相位的早期阶段; 查找表数据映射单元，用于控制相对于相位差的本地振荡信号的相位; 以及用于将相位补偿数据发送到本地振荡器的反馈发送单元。

公开(公告)号：US06909888B2

公开(公告)日：2005-06-21

申请号：US10270702

申请日：2002-10-14

Applicant: Ki-Dong Lee ,  Yong-Hoon Cho ,  Ho-Jin Lee

Inventor： Ki-Dong Lee ,  Yong-Hoon Cho ,  Ho-Jin Lee

IPC: H04B7/26 ,  H04W24/00 ,  H04W28/14 ,  H04W28/22 ,  H04W72/04 ,  H04M11/00

CPC classification number: H04W24/00 ,  H04W28/14 ,  H04W28/18 ,  H04W72/04 ,  H04W74/004

Abstract: A system for estimating a traffic rate of calls in system environments providing wireless personal communication services on an open queuing network includes modules that have functions of making three sets of nodes, “log_off”, “log_on” and “active” according to the status of communication terminal equipment, observing the number of “log_on” and “active” terminals by minimum areas of each wireless personal communication service, and predicting traffic probability by minimum areas. More specifically, the present invention includes: a traffic parameter observation module for making a set of nodes and collecting observations measured in real time on the respective nodes; a regression analysis module for performing a regression analysis of the observations to assume a prediction model for traffic rates of calls and to estimate the traffic rates of internal-to-internal or external-to-internal calls; and a resource allocation control module for determining whether to allocate resources and how much of the resources to allocate according to the traffic rates of internal-to-internal or external-to-internal calls.

Abstract translation: 用于估计在开放排队网络中提供无线个人通信服务的系统环境中的呼叫的业务速率的系统包括具有根据状态的“log_off”，“log_on”和“active”三个节点的功能的模块 通信终端设备，通过每个无线个人通信服务的最小区域观察“log_on”和“活动”终端的数量，并以最小面积预测业务概率。 更具体地说，本发明包括：业务参数观测模块，用于在各个节点上实时地进行一组节点和采集观测值; 回归分析模块，用于对观测值进行回归分析，以假设用于呼叫流量速率的预测模型，并估计内部到内部或外部到内部呼叫的流量速率; 以及资源分配控制模块，用于根据内部到内部或外部到内部呼叫的业务速率确定是否分配资源和分配多少资源。

公开(公告)号：US06802037B2

公开(公告)日：2004-10-05

申请号：US10028273

申请日：2001-12-28

Applicant: Sooyoung Kim ,  Woo-Seok Yang ,  Ho-Jin Lee

Inventor： Sooyoung Kim ,  Woo-Seok Yang ,  Ho-Jin Lee

IPC: H03M1300

CPC classification number: H03M13/658 ,  H03M13/152 ,  H03M13/19 ,  H03M13/2963 ,  H03M13/2975 ,  H03M13/4146

Abstract: Disclosed is an iterative decoding method using a soft decision output Viterbi algorithm (SOVA) for block turbo codes using product codes wherein block codes are concatenated by greater than three dimensions, which comprises: (a) a transmitter configuring a product code of greater than three dimensions and transmitting it; (b) configuring the signal transmitted by the transmitter into frames for decoding, and initializing external reliability information respectively corresponding to an axis corresponding to the product code of greater than three dimensions; and (c) sequentially iterating the soft decision output Viterbi algorithm (SOVA) decoding with respect to the respective axes.

Abstract translation: 公开了一种迭代解码方法，其使用使用产生代码的块turbo码的软判决输出维特比算法（SOVA），其中块码连接大于三维，其包括：（a）配置大于3的乘积码的发射机 尺寸和传输; （b）将由发射机发送的信号配置成帧以进行解码，以及初始化分别对应于大于三维的乘积码的轴的外部可靠性信息; 和（c）依次迭代相对于各个轴的软判决输出维特比算法（SOVA）解码。