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    • 71. 发明授权
    • 지피에스를 이용한 마이크로 웨이브 중계기 시스템 및주파수 동기 방법
    • 用于微波重复器的系统和使用GPS进行频率同步的方法
    • KR100789106B1
    • 2007-12-26
    • KR1020060091884
    • 2006-09-21
    • 에스케이텔레콤 주식회사
    • 고현모오세현임종태하성호이병석신용식김상호
    • H04B7/14
    • H04W56/00H04B7/14H04L7/0091
    • A microwave repeater system using a GPS(Global Positioning System) and a frequency synchronization method are provided to obtain a high-quality reference signal without phase noise through a GPS, and to exactly match reference frequency sources between a donor device and a remote device, thereby ensuring stable quality of signals multiplied into microwave frequency bands. A donor device(300) receives a satellite signal sent from a GPS satellite(100) to generate the first pulse signal for extracting the first reference frequency, and multiplies the extracted first reference frequency to convert into a driving frequency for converting a common frequency signal sent from a base station(200) into a microwave frequency signal. A remote device(400) generates the second pulse signal for extracting the second reference frequency, and multiplies the extracted second reference frequency to convert into a driving frequency for converting the microwave frequency signal into a common frequency signal to provide the converted signal to a mobile station(500).
    • 提供了一种使用GPS(全球定位系统)和频率同步方法的微波中继器系统,以通过GPS获得无相位噪声的高质量参考信号,并且在施主设备和远程设备之间精确匹配参考频率源, 从而确保信号质量稳定在微波频带中。 供体装置(300)接收从GPS卫星(100)发送的卫星信号,以产生用于提取第一参考频率的第一脉冲信号,并将所提取的第一参考频率乘以转换为用于转换公共频率信号的驱动频率 从基站(200)发送到微波频率信号。 远程设备(400)产生用于提取第二参考频率的第二脉冲信号,并且将所提取的第二参考频率乘以转换为用于将微波频率信号转换为公共频率信号的驱动频率,以将转换的信号提供给移动 站(500)。
    • 72. 发明授权
    • 저전력 소자를 이용한 중계기
    • 使用低功率器件的重复使用
    • KR100789101B1
    • 2007-12-26
    • KR1020060086354
    • 2006-09-07
    • 에스케이텔레콤 주식회사
    • 이영수임종태하성호이병석김경준전성훈고현모
    • H04B7/14H04B7/15
    • H04B7/15
    • A repeater using a low power element is provided to further comprise an SAW(Surface Acoustic Wave) filter for a mobile communication terminal having improved guide-band isolation characteristics, thereby enabling remarkable size reduction. A PAM(Power Amplifier Module)(500) enables individual tuning functions by adding the first matching unit(510) and the second matching unit(520) to an RF(Radio Frequency) input port and an RF output port, respectively. An SAW filter for a mobile communication terminal is capable of controlling positions of passing bands by adding the third matching unit or the fourth matching unit according to forward or reverse operation of a repeater.
    • 提供了使用低功率元件的中继器,以进一步包括用于具有改进的引导带隔离特性的移动通信终端的SAW(表面声波)滤波器,从而可以显着地减小尺寸。 PAM(功率放大器模块)(500)通过将第一匹配单元(510)和第二匹配单元(520)分别添加到RF(射频)输入端口和RF输出端口来实现单独调谐功能。 用于移动通信终端的SAW滤波器能够通过根据中继器的正向或反向操作来添加第三匹配单元或第四匹配单元来控制通过频带的位置。
    • 73. 发明授权
    • 케이블 결선 시스템의 케이블 손실 자동 보상 및 고장 검출장치
    • 用于补偿电缆损耗和检测电缆连接系统故障的装置
    • KR100761385B1
    • 2007-09-27
    • KR1020060091938
    • 2006-09-21
    • 에스케이텔레콤 주식회사
    • 고현모김상호신용식이병석임종태하성호오세현
    • H04B10/07H04B10/03H04B17/00
    • An apparatus for compensating cable loss and detecting a fault in a cable connection system is provided to enable a transmitting terminal to detect the cable loss generated between the transmitting terminal and a receiving terminal and automatically perform gain control based on the detected cable loss, thereby simplifying the configuration of the receiving terminal and reducing a control function which the receiving terminal performs. An apparatus for compensating cable loss and detecting a fault in a cable connection system comprises the followings: a transmitting terminal(100) which transmits a RF(Radio Frequency) signal used in cable loss detection to a receiving terminal(200) connected through a RF cable, detects the RF signal returned from the receiving terminal, and compares the strength of the detected RF signal with that of the RF signal transmitted to the receiving terminal, and detects the cable loss, and performs gain control based on the detected cable loss; and the receiving terminal which extracts a RF signal used in the cable loss detection among the signals received from the transmitting terminal through the RF cable, and returns the extracted RF signal to the transmitting terminal.
    • 提供一种用于补偿电缆损耗和检测电缆连接系统中的故障的装置,以使得发射终端能够检测发射终端与接收终端之间产生的电缆损耗,并根据检测到的电缆损耗自动执行增益控制,从而简化 接收终端的配置和减少接收终端执行的控制功能。 一种用于补偿电缆损耗和检测电缆连接系统中的故障的装置,包括以下步骤:发送终端(100),其将用于电缆损耗检测的RF(射频)信号发送到通过RF连接的接收终端(200) 电缆检测从接收终端返回的RF信号,并将检测到的RF信号的强度与发送到接收终端的RF信号的强度进行比较,并检测电缆损耗,并根据检测到的电缆损耗进行增益控制; 以及接收终端,其通过RF电缆从发送终端接收的信号中提取在电缆损耗检测中使用的RF信号,并将提取的RF信号返回给发送终端。
    • 74. 发明授权
    • 이동 통신망을 이용한 원격 객체 관리 이중화 방법 및 그시스템
    • 使用移动通信网络的远程对象管理双工方法及其系统
    • KR100756855B1
    • 2007-09-07
    • KR1020060044423
    • 2006-05-17
    • 에스케이텔레콤 주식회사
    • 전성훈오세현하성호고현모이병석김경준이영수
    • H04W88/08H04W4/12
    • A remote object management duplexing method using a mobile communication network and a system thereof are provided to increase reliability of data by using a packet data communication network and a short message. A remote device(31) receives a short message in accordance with an access request and monitoring request information through an SMSC(Short Message Service Center)(34), and transmits monitored results in wireless packet data type by using a wireless Internet service. A base station(32) wirelessly performs data transceiving with the remote device(31). A BSC(Base Station Controller)(33) controls operation of the base station. A PDSN(Packet Data Service Node)(35) performs an overall call processing function between the remote device and an IP(Internet Protocol) network as sending packet data, based on a packet data service request applied from the BSC. A management server(36) sends a short message in accordance with the monitoring request information to the remote device, and receives the monitored results in packet data or short message type to manage the data.
    • 提供了使用移动通信网络及其系统的远程对象管理双工方法,以通过使用分组数据通信网络和短消息来提高数据的可靠性。 远程设备(31)通过SMSC(短消息服务中心)(34)根据访问请求和监视请求信息接收短消息,并且通过使用无线因特网服务来发送无线分组数据类型中的监视结果。 基站(32)用远程设备(31)无线地执行数据收发。 BSC(基站控制器)(33)控制基站的操作。 基于从BSC应用的分组数据服务请求,PDSN(分组数据服务节点)(35)在远程设备和IP(因特网协议)网络之间执行整体呼叫处理功能,作为发送分组数据。 管理服务器(36)根据监视请求信息向远程设备发送短消息,并将监视结果接收到分组数据或短消息类型中以管理数据。
    • 75. 发明公开
    • 콜 분포 분석장치 및 방법과 이를 이용한 중계범위결정방법
    • 用于分析计算机呼叫分配的安装及其分析方法,以及使用分析方法的重复区域的决策范围的方法
    • KR1020070075177A
    • 2007-07-18
    • KR1020060003643
    • 2006-01-12
    • 에스케이텔레콤 주식회사
    • 이춘성오세현하성호이병석김경준
    • H04B17/00H04B17/40
    • A call distribution analysis device and method and a relay range determination method using the same are provided to calculate an overlapped situation and distribution of calls detected from a cell loading measurement device, thus exact cell planning is available. A sector call power detector(213) is configured by sector or region by comprising a reverse call counter(205) and an RSSI(Received Signal Strength Indication) sensing module(207) for measuring RSSI for a call. A forward call counter(203) counts forward call states by sector or region. An operation device(209) collects detected results of the detector(213) in one base station unit, collects the forward counter(203) by sector or region to extract a dropped or overlapped call, and sets a communication state of an equivalent region to data based on RSSI for a substantial call. An analyzed result display(201) displays regional communication state information of the operation device(209).
    • 提供一种呼叫分配分析装置和方法以及使用该呼叫分配分析装置和方法的中继范围确定方法,以计算从小区负载测量装置检测到的呼叫的重叠情况和分布,从而可以确定小区规划。 扇区呼叫功率检测器(213)由扇区或区域配置,包括用于测量呼叫的RSSI的反向呼叫计数器(205)和RSSI(接收信号强度指示)感测模块(207)。 前向呼叫计数器(203)按扇区或区域计数向前呼叫状态。 操作装置(209)将检测器(213)的检测结果收集在一个基站单元中,通过扇区或区域收集前向计数器(203)以提取丢弃或重叠呼叫,并将等效区域的通信状态设置为 基于RSSI的数据用于实质性呼叫。 分析结果显示(201)显示操作装置的区域通信状态信息(209)。
    • 78. 发明公开
    • 갭필러에서 엘앤비 주파수 에러를 측정하기 위한 시스템 및방법
    • 用于测量带隙填充器中的LNB频率误差的系统及其方法
    • KR1020060124470A
    • 2006-12-05
    • KR1020050046415
    • 2005-05-31
    • 에스케이텔레콤 주식회사
    • 이영수오세현하성호이병석전성훈김경준
    • H04N7/20
    • H04N17/045H04B7/18532H04N7/20
    • A system and a method for measuring an LNB(Low Noise Block down converter) frequency error in a gap filler are provided to accurately measure a frequency error value in an LNB by detecting a specific parameter according to a coherent demodulation type from a TDM(Time Division Multiple) tuner connected to an output terminal of the LNB and embodying certain algorithm. An LNB(420) converts a frequency received from a broadcasting satellite(410) into a frequency of a satellite receiver. A TDM tuner receives an IF(Intermediate Frequency) converted in the LNB(420), performs signal demodulation and corrects a signal error. A microprocessor(432-5) operates and processes a parameter according to a characteristic of the signal demodulated in the TDM tuner. The microprocessor(432-5) measures a frequency error value in the LNB(420) by certain algorithm using the parameter detected in the TDM tuner.
    • 提供了一种用于测量间隙填充器中的LNB(低噪声块降低转换器)频率误差的系统和方法,以通过根据来自TDM(时间)的相干解调类型检测特定参数来精确地测量LNB中的频率误差值 连接到LNB的输出终端并体现某种算法的调谐多路调谐器。 LNB(420)将从广播卫星(410)接收的频率转换为卫星接收机的频率。 TDM调谐器接收在LNB(420)中转换的IF(中频),执行信号解调并校正信号错误。 微处理器(432-5)根据在TDM调谐器中解调的信号的特性来操作和处理参数。 微处理器(432-5)通过使用TDM调谐器中检测到的参数的特定算法来测量LNB(420)中的频率误差值。
    • 79. 发明授权
    • 시 지연 간섭 제거 중계장치
    • 시지연간섭제거중계장치
    • KR100642582B1
    • 2006-11-10
    • KR1020050101397
    • 2005-10-26
    • 에스케이텔레콤 주식회사
    • 이영수오세현하성호이병석김경준전성훈
    • H04B1/59
    • A time delayed interference canceling repeater is provided to simplify a system configuration by combining a single beam link antenna with an interference canceling repeater including only a time filter. A single beam link antenna unit(100) removes an interference component included in a relay signal. A down-converter(200) down-converts an output of the single beam link antenna unit(100) and outputs it. A digital time filter interference canceling unit(300) divides an output of the down-converter(200) into a plurality of time units, analyzes a feedback component, and combines an inverse phase signal corresponding to the analyzed amount to thus cancel a residual interference. An up-converter(400) modulates and amplifies a signal outputted from the digital time filter interference removing unit(300) to the original frequency. A transmission antenna unit(500) receives an output of the up-converter(400) and transmits it to a propagation shadow area.
    • 提供时间延迟干扰消除中继器以通过将单个波束链路天线与仅包括时间滤波器的干扰消除中继器组合来简化系统配置。 单波束链路天线单元(100)去除包含在中继信号中的干扰分量。 下变频器(200)将单波束链接天线单元(100)的输出下变频并输出。 数字时间滤波器干扰消除单元(300)将下变频器(200)的输出分成多个时间单位,分析反馈分量,并组合与分析量对应的反相信号,从而消除残余干扰 。 上变频器(400)将从数字时间滤波器干扰消除单元(300)输出的信号调制并放大到原始频率。 发送天线单元(500)接收上变换器(400)的输出并将其发送到传播阴影区域。
    • 80. 发明公开
    • 통합 제어를 위한 중계기 시스템
    • 用于统一控制的重复系统
    • KR1020060061711A
    • 2006-06-08
    • KR1020040100532
    • 2004-12-02
    • 에스케이텔레콤 주식회사
    • 전성훈이명성임종태최경호이병석윤홍식김문홍양희삼이기영윤종노
    • H04B7/15
    • H04B7/15535H04B7/15585H04B17/40H04W24/08
    • 본 발명은 중계기에 적용되는 각각의 구성을 하나의 제어부로 통합하여 제어하는 통합 제어를 위한 중계기 시스템에 관한 것이다.
      본 발명은 저잡음 증폭기와 연결되어 RF 신호의 잡음 성분을 줄이고 신호 성분을 증폭하여 감쇄기로 전달하도록 제어하고, 감쇄기와 연결되어 RF 신호의 신호 레벨을 조정하여 고출력 증폭기로 전달하도록 제어하며, 고출력 증폭기와 연결되어 RF 신호를 무선으로 송출하기 위한 실효 전력까지 증폭하도록 제어하고, 온도센서와 연결되어 중계기 시스템 내부의 온도를 조절하도록 하며, 표시부와 연결되어 중계기 시스템의 상태를 디스플레이하도록 제어하고, RF 파형 감시기와 연결되어 중계기 시스템에서 발생하는 RF 파형을 감시하며, 전원부와 연결되어 중계기 시스템의 전원 상태를 제어하는 통합 제어부를 포함하여, 중계기 시스템 내부의 각 구성에 대한 제어부를 별도로 구비하지 않고, 하나의 제어부에서 중계기 시스템 내부의 구성을 통합으로 관리하기 때문에, 다수의 제어회로 간에 신호 전송을 위한 프로토콜 및 오류 감시를 위한 별도의 프로그램을 구비하는데 드는 비용을 절감할 수 있다.
      중계기, 제어