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    • 2. 发明申请
    • METHOD AND DEVICE FOR PROCESSING UPLINK RANDOM ACCESS SIGNAL
    • 用于处理上行随机访问信号的方法和装置
    • WO2011144076A3
    • 2012-05-10
    • PCT/CN2011074641
    • 2011-05-25
    • HUAWEI TECH CO LTDRUAN WEIXU HENGCHANG XINYANG JIANRUI
    • RUAN WEIXU HENGCHANG XINYANG JIANRUI
    • H04W74/08
    • H04W74/08H04W24/10
    • A method and device for processing uplink random access signals, which relate to the communication field and can implement a maximum signal-to-noise ratio detection for the uplink random access signals, are disclosed in the embodiments of the present invention. The method of the present invention includes: receiving uplink random access signals, wherein said uplink random access signals are time domain signals and include a first part signals and a second part signals which are both phase repeated signals whose phase differences are constant; implementing phase compensation for said first part signals, to make the phase of said first part signals consistent with that of the second part signals; implementing coherent combination for the compensated first part signals and said second part signals. The embodiments of the present invention are mostly used for the detection process of the uplink random access signals.
    • 在本发明的实施例中公开了一种用于处理上行链路随机接入信号的方法和设备,其涉及通信领域并且可以对上行链路随机接入信号实现最大信噪比检测。 本发明的方法包括:接收上行随机接入信号,其中所述上行随机接入信号是时域信号,包括第一部分信号和第二部分信号,它们是相位差恒定的相位重复信号; 对所述第一部分信号实施相位补偿,使所述第一部分信号的相位与第二部分信号的相位一致; 为补偿的第一部分信号和所述第二部分信号实现相干组合。 本发明的实施例主要用于上行随机接入信号的检测过程。
    • 3. 发明申请
    • METHOD, DEVICE AND SYSTEM FOR TRANSMITTING SIGNALS
    • 方法,发送信号的装置和系统
    • WO2011157147A3
    • 2012-04-26
    • PCT/CN2011075058
    • 2011-05-31
    • HUAWEI TECH CO LTDYANG JIANRUIHUANG HUICHANG XINZHANG ZHIDONGRUAN WEI
    • YANG JIANRUIHUANG HUICHANG XINZHANG ZHIDONGRUAN WEI
    • H01Q21/24
    • H01Q21/24
    • The present invention provides a method, device and system for transmitting signals and relates to the field of wireless communication. The method includes: correcting at least two antennas; adjusting the phase difference between each two antennas in the at least two antennas to be 90 degrees, or dividing the at least two antennas into two groups, adjusting the phase difference between each antenna in the same group to be 0 degree and adjusting the phase difference between each two antennas in different groups to be 90 degrees; transmitting the signals to be transmitted via the antennas the phase differences between which are adjusted to be 90 degrees. The present invention is mainly used to transmit and receive information between a base station and a mobile station, and solves the problem that the polarizations of the signals are eliminated each other and eliminates the defect of the cyclic delay diversity (CDD) technology.
    • 本发明提供一种发送信号的方法,装置和系统,涉及无线通信领域。 该方法包括:校正至少两个天线; 将所述至少两个天线中的每个天线之间的相位差调整为90度,或者将所述至少两个天线划分为两组,将相同组中的每个天线之间的相位差调整为0度并调整相位差 在不同组的每个天线之间为90度; 发送要通过天线发送的信号,其相位差被调整为90度。 本发明主要用于在基站和移动台之间发送和接收信息,解决了信号的极化被消除的问题,消除了循环延迟分集(CDD)技术的缺陷。
    • 4. 发明申请
    • INTERFERENCE DETECTION METHOD BETWEEN BASE STATIONS AND BASE STATION
    • 基站与基站之间的干扰检测方法
    • WO2011157134A3
    • 2012-04-26
    • PCT/CN2011075008
    • 2011-05-31
    • HUAWEI TECH CO LTDHUANG HUIYANG JIANRUICHANG XINJIANG YING
    • HUANG HUIYANG JIANRUICHANG XINJIANG YING
    • H04W72/08
    • H04W24/08H04W28/04H04W72/085H04W88/08H04W92/20
    • A method for interference detection between base stations and a base station are provided in the present invention. The method includes that: an interfered base station receives an instruction sent from an operation maintenance center, and the instruction includes a frame number of a specified frame; the interfered base station collects a signal in an uplink sub-frame of the specified frame, wherein the collected signal includes the signal obtained by collecting an index sequence sent from an interference base station via a downlink sub-frame of the specified frame; correlation calculation is performed separately between the collected signal and a plurality of preset backup index sequences, so as to determine an index sequence of the interference base station from the backup index sequences. The embodiments of the present invention can improve the detection efficiency and performance.
    • 本发明提供了基站与基站之间的干扰检测方法。 所述方法包括:受干扰基站接收从操作维护中心发送的指令,并且所述指令包括指定帧的帧号; 受干扰的基站收集指定帧的上行链路子帧中的信号,其中收集的信号包括通过收集从干扰基站经由指定帧的下行链路子帧发送的索引序列而获得的信号; 在收集的信号与多个预置备份索引序列之间分别进行相关计算,以便从备份索引序列确定干扰基站的索引序列。 本发明的实施例可以提高检测效率和性能。
    • 6. 发明申请
    • METHOD FOR ALLOCATING WIRELESS COMMUNICATION RESOURCES IN DISTRIBUTED ANTENNA SYSTEM
    • 在分布式天线系统中分配无线通信资源的方法
    • WO2007014898A1
    • 2007-02-08
    • PCT/EP2006/064726
    • 2006-07-27
    • SIEMENS AKTIENGESELLSCHAFTCHANG, XinLI, Guang JieLI, Hui
    • CHANG, XinLI, Guang JieLI, Hui
    • H04Q7/30
    • H04W88/085H04W16/30H04W28/16
    • A method for allocating wireless communication resources in a distributed antenna system, in which the reuse factor of the wireless communication resource is further reduced and the utilization efficiency of the wireless communication resources is improved. In a group of service areas joining as a node in the system, the coverage area of each service area is divided into a central region and a boundary region, with each central region forming a central region allocating unit, and the boundary regions of a pair of adjoining service areas forming a boundary region allocating unit; each central region allocating unit is allocated with the same wireless communication resources and the quantity thereof is decided by the ratio of the area size of said central region to the area size of said service area, and also the quantity of all usable wireless communication resources in the system; each boundary region allocating unit is allocated with different wireless communication resources and the quantity thereof is decided by the remaining wireless quantity of wireless communication resources after the quantity of all usable wireless communication resources in the system minus the quantity of the wireless communication resources allocated to the central region allocating unit, and also the number of said boundary region reallocating units; and in a different group of service areas joining at one node, all usable wireless communication resources in said system are reused by the same allocating mode.
    • 一种在分布式天线系统中分配无线通信资源的方法,其中进一步降低了无线通信资源的重用因素,提高了无线通信资源的利用效率。 在作为系统中的节点加入的一组服务区域中,每个服务区域的覆盖区域被分成中心区域和边界区域,每个中心区域形成中心区域分配单元,并且一对边界区域 邻接的服务区域形成边界区域分配单元; 每个中央区域分配单元被分配相同的无线通信资源,其数量由所述中心区域的区域大小与所述服务区域的面积大小的比率决定,并且还包括所有可用无线通信资源的数量 系统; 每个边界区域分配单元被分配有不同的无线通信资源,并且其数量由系统中所有可用的无线通信资源的数量减去分配给该系统的无线通信资源的数量之后的无线通信资源的剩余无线量决定 中央区域分配单元,以及所述边界区域重新分配单元的数量; 并且在一个节点加入的不同的服务区域中,所有系统中的所有可用的无线通信资源都被相同的分配模式重新使用。
    • 9. 发明申请
    • A METHOD FOR ALLOCATING DOWNLINK DATA STREAMS IN A DISTRIBUTED ANTENNA SYSTEM
    • 一种在分布式天线系统中分配下行链路数据流的方法
    • WO2006103283A1
    • 2006-10-05
    • PCT/EP2006/061211
    • 2006-03-31
    • SIEMENS AKTIENGESELLSCHAFTLI, Guang JieCHANG, XinLI, HuiSCHULZ, Egon
    • LI, Guang JieCHANG, XinLI, HuiSCHULZ, Egon
    • H04B7/06H04L1/06
    • H04B7/0613H04L1/0003H04L1/0009H04L1/0618H04L5/0023H04L5/0044H04L5/0048H04W88/085
    • A method for allocating downlink data streams in a distributed antenna system, wherein in the downlink radio signal transmission from remote units to a mobile terminal, the central unit of the service area in which the mobile terminal is located allocates data streams of the radio signal among the remote units within its service area, according to the following steps: firstly, measuring the position in the service area in which the mobile terminal is located; secondly, measuring the correlation of the downlink radio signals transmitted to the mobile terminal from individual antenna units of all the remote units within the service area; lastly, the central unit determining the manner in which the data streams are allocated among the remote units based on the position of the mobile terminal and the measured value of the correlation of the downlink radio signals. The method of the present invention can allocate data streams of a radio signal among remote units in a service area according to the variations in the position of the mobile terminal and radio signal transmission environment, and compared with traditional applications of MIMO radio transmission technology, the method further improves the transmission quality of radio signals and optimizes the performance of distributed antenna systems.
    • 一种用于在分布式天线系统中分配下行链路数据流的方法,其中在从远程单元到移动终端的下行链路无线电信号传输中,移动终端所在的服务区域的中央单元分配无线电信号的数据流 其服务范围内的远程单元,按照以下步骤进行:首先,测量移动终端所在的服务区域中的位置; 其次,测量从服务区域内的所有远程单元的各个天线单元发送到移动终端的下行链路无线电信号的相关性; 最后,中央单元基于移动终端的位置和下行链路无线电信号的相关性的测量值来确定在远程单元之间分配数据流的方式。 本发明的方法可以根据移动终端的位置变化和无线电信号传输环境在服务区域的远程单元之间分配无线信号的数据流,并与MIMO无线传输技术的传统应用进行比较, 方法进一步提高了无线电信号的传输质量,并优化了分布式天线系统的性能。