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    • 31. 发明公开
    • 릴레이 통신 장치, 릴레이 통신 장치의 통신 방법 및릴레이 통신 장치를 채용한 이동 통신 시스템
    • 继电器通信设备,通信方法和移动通信系统
    • KR1020050094892A
    • 2005-09-28
    • KR1020057013941
    • 2004-01-29
    • 다 탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드
    • 리시헤리펭양구이량
    • H04W88/04H04B7/14
    • H04W16/26H04B7/155
    • The invention relates to a relay communication device, communication method and mobile communication system which uses the device. Relay communication device comprises mainly: a great control unit consisting of digital signal processor; a terminal accessing function unit consisting of RF tranceiver and physical layer signal processing device as well as a single antenna and feeder; a base station function unit consisting of RF tranceiver and physical layer signal processing device as well as a single antenna and feeder. Realizing the receiving and transmitting radio signal between relay communication device and certain base station in the mobile communication, as well as between relay communication device and mobile terminal. Mobile communication system using the relay communication device comprises at least said relay communication device. The relay communication device may be placed in the area which does not be covered by the mobile communication network, so that a common user terminal can get mobile communication service in this area. The relay communication device realizes information exchange between terminals in the subnet, and realizes communication between terminals in the subnet and out of the subnet by searched base station.
    • 本发明涉及使用该设备的中继通信设备,通信方法和移动通信系统。 中继通信设备主要包括:一个由数字信号处理器组成的大型控制单元; 由射频收发器和物理层信号处理设备组成的终端接入功能单元以及单个天线和馈线; 由射频收发器和物理层信号处理装置组成的基站功能单元以及单个天线和馈线。 实现移动通信中继通信设备与某些基站之间以及中继通信设备与移动终端之间的接收和发送无线电信号。 使用中继通信装置的移动通信系统至少包括所述中继通信装置。 中继通信设备可以被放置在移动通信网络未被覆盖的区域中,使得公共用户终端可以在该区域中获得移动通信服务。 中继通信设备实现子网中终端之间的信息交换,通过搜索的基站实现子网终端和子网之间的通信。
    • 32. 发明公开
    • 타임 슬롯 CDMA시스템에서의 잡음 공간 상관 특성에대한 평가 방법
    • 时隙CDMA系统中噪声空间相关特性的估计方法
    • KR1020050089869A
    • 2005-09-08
    • KR1020057012526
    • 2004-01-07
    • 다 탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드
    • 왕잉민
    • H04B7/02
    • H04B7/0854H04B1/7097H04B17/345H04L1/06H04L25/0204
    • A method for estimating the noise' s space correlated characteristics of a time slot CDMA system includes such steps as estimating the channel of received signals for each antenna of the antenna array to obtain its original result, in which contains the values of P taps, P is the period of basic code for channel estimation; separating the signal response component and the noise response component from the original channel estimation result to get the noise response matrix of antenna array, and making correlation operation with the noise response matrix to obtain the noise space correlated matrix. By using the characteristics of CDMA system channel estimation, this invention provides an estimation method of noise space correlated characteristics in time slot CDMA system. This method is simple and effective, and it has good value stability, thereby it provides good estimation performance in practical S/N range of the system.
    • 用于估计时隙的噪声空间相关特性的方法CDMA系统包括估计天线阵列的每个天线的接收信号的信道以获得其原始结果的步骤,其中包含P抽头,P 是信道估计的基本代码周期; 从原始信道估计结果中分离信号响应分量和噪声响应分量,得到天线阵列的噪声响应矩阵,并与噪声响应矩阵进行相关运算,得到噪声空间相关矩阵。 通过使用CDMA系统信道估计的特点,本发明提供了时隙CDMA系统中噪声空间相关特性的估计方法。 该方法简单有效,价值稳定性好,在系统实际S / N范围内提供良好的估计性能。
    • 33. 发明公开
    • PRACH의 채널 주파수 영역의 오프셋량을 조절하기 위하는 방법 및 장치
    • 用于调整物理随机访问通道的通道频域偏移的PRACH方法和设备
    • KR1020160131057A
    • 2016-11-15
    • KR1020167027566
    • 2015-03-06
    • 다 탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드
    • 루쏭허
    • H04W72/08H04W72/04H04W74/08H04L5/00
    • H04W74/0833H04B17/345H04L5/0053H04L5/0062H04L5/0073H04L5/0085H04W72/0446H04W88/08
    • 본발명은 PRACH의채널주파수영역의오프셋량을조절하기위하는방법을제공하며, 상기방법은, 상기 PRACH의커런트주파수영역위치를특징하는단계; 업링크서브프레임의모든물리리소스블록(PRB)의 IOT(Interference Over Thermal)값을획득하는단계 u; 상기업링크서브프레임의모든 PRB의 IOT값을 IOT검출임계값과비교하여 IOT값이 IOT검출임계값보다높은상기업링크서브프레임의모든 PRB 중의복수의 PRB를특징하는단계 v; IOT검출임계값보다높은상기복수의 PRB와상기 PRACH의커런트주파수영역위치가중첩하는지를판단하는단계 w; 및중첩한다고판단하는경우사전설정조절규칙에따라상기 PRACH의커런트주파수영역위치의채널주파수영역의오프셋량을조절하여조절후의채널주파수영역의오프셋량을특징하는단계 x를포함한다. 시스템에잡음플로어의강한상승또는돌발적인강한간섭이발생된경우 PRACH의채널위치는자기조절될수 있어서기지국이 PRACH에싣린 preamble을검출하여분석하도록확보하고, UE가액세스되도록확보한다.
    • 提供一种用于调整物理随机接入信道(PRACH)的信道频域偏移的方法,包括:确定PRACH的当前频域位置; 获得对所有上行子帧的物理资源块(PRB)的热(IOT)值的干扰; 将上行链路子帧的所有PRB的IOT值与IOT检测阈值进行比较,以从上行链路子帧的所有PRB中确定IOT值高于IOT检测阈值的多个PRB; 判断具有高于IOT检测阈值的IOT值的多个PRB是否与PRACH的当前频域位置重叠; 如果是,则基于预定的调整规则调整PRACH的当前频域位置的信道频域偏移,以确定调整后的信道频域偏移。 如果系统具有强大的IOT或强突发干扰,则可以自动调整PRACH的信道位置,以确保基站能够正确地检测和解析PRACH携带的前导码,从而确保UE的成功接入。
    • 34. 发明公开
    • 듀얼 스트림 빔 형성 방법 및 장치
    • 双流束波束形成方法和装置
    • KR1020160124176A
    • 2016-10-26
    • KR1020167025534
    • 2015-02-09
    • 다 탕 모바일 커뮤니케이션즈 이큅먼트 코포레이션 리미티드
    • 왕,시장,샤오쥐엔
    • H04B7/06H04B7/10
    • H04B7/0617H04B7/0619H04B7/066H04B7/10
    • 듀얼스트림빔 형성방법및 장치를제공하여현재의빔 형성방법의지향성이차하고, 빔형성효과가차한문제를해결하는것을목적으로한다. 그중에서, 상기방법에는, 단말이송신하는탐지참조신호 SRS를수신하는바, 그중에서, 상기 SRS는송신될때 상기단말에의하여차지하는광대역을다수의서브대역으로분할하는단계; 상기 SRS에의하여상기광대역에대응되는광대역빔 형성벡터및 각서브대역에대응되는서브대역빔 형성벡터를각각확정하는단계; 상기광대역에대응되는광대역빔 형성벡터또는상기각 서브대역에대응되는서브대역빔 형성벡터에의하여, 각서브대역에대응되는두 편파방향의빔 형성벡터를각각확정하는단계; 각서브대역에대하여, 해당서브대역에대응되는두 편파방향의빔 형성벡터를이용하여듀얼스트림빔 형성을진행하는단계;가포함된다. 본출원의듀얼스트림빔 형성방법은빔 지향성이강하고빔 형성효과가좋다.
    • 公开了一种用于双层波束成形的方法和装置,用于解决当前波束形成方法中波束方向性差和波束形成效应差的问题,其中该方法包括:接收终端发送的探测参考信号(SRS),其中发送 SRS由终端分成多个子带; 根据SRS分别确定与每个子带对应的宽带和子带波束形成矢量相应的宽带波束形成向量; 根据对应于对应于每个子带的宽带或子带波束形成向量的宽带波束形成向量,分别确定与每个子带对应的两个偏振方向波束形成向量; 并且对于每个子带,采用对应于用于双层波束成形的子带的两个偏振方向波束形成向量。 本申请的双层波束形成方法具有更强的波束方向性和更好的波束形成效果。