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    • 45. 发明授权
    • Wireless communication system and downlink receiving power detection method therefor
    • 无线通信系统及其下行接收功率检测方法
    • US09049674B2
    • 2015-06-02
    • US13266292
    • 2010-04-09
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • H04B7/005H04W52/34
    • H04B7/0626H04L5/0051H04W52/343H04W72/0473
    • A wireless communication system and a method for detecting downlink receiving power in the system are disclosed. N cells in the system respectively transmit data to at least one receiving terminal via N resource blocks using the same time-frequency resources; multiple channel state information reference signals (CSI-RSs) of a corresponding cell are set in each resource block, and orthogonality is maintained among the CSI-RSs of all the cells, wherein N is an integer greater than 1. Said method includes: an additional demodulation reference signal (DM-RS) used for indicating a receiving power is set in a puncture position in the resource block of the first cell which corresponds to a CSI-RS set in a resource block of another cell; and the receiving power of said first cell is detected according to said additional DM-RS. By using said method, the receiving power of a single cell in N cells can be detected, and the system overhead is not increased.
    • 公开了一种用于检测系统中的下行链路接收功率的无线通信系统和方法。 系统中的N个小区通过使用相同的时间 - 频率资源的N个资源块分别向至少一个接收终端发送数据; 在每个资源块中设置相应小区的多信道状态信息参考信号(CSI-RS),并且在所有小区的CSI-RS之间保持正交性,其中N是大于1的整数。所述方法包括: 用于指示接收功率的附加解调参考信号(DM-RS)被设置在与另一个小区的资源块中的CSI-RS集相对应的第一小区的资源块中的删余位置; 并且根据所述附加DM-RS检测所述第一小区的接收功率。 通过使用该方法,可以检测N个小区中的单个小区的接收功率,并且不增加系统开销。
    • 48. 发明申请
    • METHOD OF SCRAMBLING SIGNALS, TRANSMISSION POINT DEVICE AND USER EQUIPMENT USING THE METHOD
    • 使用该方法来消除信号的方法,传输点设备和用户设备
    • US20140071936A1
    • 2014-03-13
    • US14115325
    • 2011-09-29
    • Zhi ZhangMing XuMasayuki HoshinoDaichi ImamuraAkihiko Nishio
    • Zhi ZhangMing XuMasayuki HoshinoDaichi ImamuraAkihiko Nishio
    • H04L5/00
    • H04W72/044H04L5/0016H04L5/0051H04L25/0226H04L27/2613H04W72/121
    • Method of scrambling signals, transmission point device and user equipment using the method are provided. The method is for scrambling signals assigned on predetermined radio resources of at least one layer of resource blocks with the same time and frequency resources, and comprises the steps of: sending an ID table to a user equipment through higher layer signaling, the ID table being a subset of the whole ID space and containing available IDs for the user equipment; notifying the user equipment an ID in the ID table to be used through physical layer signaling or UE specific higher layer signaling; generating a random seed based on the notified ID; initializing a scrambling sequence by the random seed; and scrambling the signals with the initialized scrambling sequence. The method of the disclosure, by combining physical layer signaling and higher layer signaling, may notify the used group ID and the blind detection space to a UE, the blind detection for the UE is enabled and the signaling overhead is reduced.
    • 提供了使用该方法加扰信号,传输点设备和用户设备的方法。 该方法用于对具有相同时间和频率资源的至少一层资源块的预定无线电资源分配的信号进行加扰,包括以下步骤:通过较高层信令向用户设备发送ID表,ID表为 整个ID空间的子集,并包含用户设备的可用ID; 通过物理层信令或UE特定的较高层信令通知用户设备将要使用的ID表中的ID; 基于通知的ID生成随机种子; 通过随机种子初始化加扰序列; 并用初始化的加扰序列对信号进行加扰。 本发明的方法通过组合物理层信令和较高层信令,可以将所使用的组ID和盲检测空间通知给UE,使得UE能够进行盲检,信令开销降低。
    • 49. 发明申请
    • MOBILE REAR COUNTERWEIGHT DEVICE FOR CRAWLER CRANE
    • 手动起重机的移动后置装置
    • US20130292352A1
    • 2013-11-07
    • US13266621
    • 2011-06-27
    • Zhi ZhangHuling LiaoCe Wang
    • Zhi ZhangHuling LiaoCe Wang
    • B66C23/76
    • B66C23/76
    • A mobile rear counterweight device for crawler crane is provided wherein comprising: a slide rail, mounted at the rear of the crawler crane, and one end of the slide rail is connected with the rear of the main platform while the other end of the slide rail is connected with a mast by a pull rod; and, a hoist driving mechanism and a trolley driven by the mechanism, one end of the said mechanism is connected with the end of the slide rail which is near the rear of the main platform, the other end of the mechanism is connected with the trolley, the said trolley bearing counterweight block is mounted on the slide rail. The crane is accessible to the utmost extent to attain the max lifting load and stability by using counterweight blocks, and the barycenter of the crane closes to the center of rotation, and the trolley is driven by a hydro cylinder and a connecting rod mechanism, while the trolley is carrying the counterweight is blocks and going faraway from or near to the barycenter of the crane along the slide rail at the rear of the crane, so that enhances lifting capability of the crane and keeps stability of the crane. The mobile rear counterweight device is easy to assemble, disassemble and transport.
    • 提供了一种用于履带式起重机的移动式后配重装置,其特征在于,包括:安装在履带起重机后部的滑轨,滑轨的一端与主平台的后部连接,而滑轨的另一端 通过拉杆连接桅杆; 由机构驱动的起重驱动机构和手推车,所述机构的一端与靠近主平台后方的滑轨的端部连接,机构的另一端与手推车连接 ,所述台车轴承配重块安装在滑轨上。 起重机最大程度上可以通过使用配重块获得最大起重载荷和稳定性,起重机的重心靠近旋转中心,手推车由液压缸和连杆机构驱动,而 起重机后方的滑轨沿着起重机重心远离或靠近起重机的小车,搭载配重是提升起重机的起重能力,保持起重机的稳定性。 移动式后配重装置易于组装,拆卸和运输。
    • 50. 发明申请
    • CODE DIVISION MULIPLEXING METHOD, TRANSMITTING DEVICE AND RECEIVING DEVICE USING THE METHOD
    • 代码段复用方法,使用该方法的发送设备和接收设备
    • US20130039162A1
    • 2013-02-14
    • US13642336
    • 2011-03-22
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • Zhi ZhangMing XuMasayuki HoshinoDaichi Imamura
    • H04J13/10
    • H04J13/0003H04J13/0055H04J13/0059H04J13/0062H04J13/0066H04J13/007H04J13/10H04J13/14
    • There are provided a code division multiplexing method as well as a transmitting device and a receiving device using the method. The method performs code division multiplexing of a plurality of signals by using a code matrix, the code matrix comprising a plurality of code words, the number of which is the same as the number of the plurality of signals, with each code word comprising a plurality of chips, the method comprising: multiplying each signal of the plurality of signals by each chip of a corresponding code word respectively; and calculating a sum of products of the respective chips in each code word and the corresponding signals to form a plurality of multiplexed signals, wherein, corresponding chips of the respective code words constitute multiple sets of chips, and only one term in differences or sums of any one set of chips and one set of chips among other sets of chips is not zero. The code division multiplexing method as well as the transmitting device and the receiving device according to the present disclosure can make the influence of the selectivity of channels when de-multiplexing is performed small, thus improving the channel transmission quality.
    • 提供码分复用方法以及使用该方法的发送装置和接收装置。 该方法通过使用码矩阵来执行多个信号的码分复用,码矩阵包括多个码字,其数量与多个信号的数量相同,每个码字包括多个 所述方法包括:分别将相应代码字的每个芯片分别乘以所述多个信号中的每个信号; 并计算每个码字中的各个码片的乘积和相应信号的乘积之和,以形成多个复用信号,其中相应码字的相应码片构成多组码片,并且只有一个项目的差值或 其他芯片组中的任何一组芯片和一组芯片不为零。 根据本公开的码分复用方法以及发送装置和接收装置可以在进行解复用时使通道的选择性受到影响,从而提高信道传输质量。