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    • 24. 发明授权
    • Compressing and decompressing signal data
    • 压缩和解压缩信号数据
    • US09094038B2
    • 2015-07-28
    • US13925275
    • 2013-06-24
    • International Business Machines Corporation
    • Xinhao ChengMingqiang LiYonghua LinQing WangChao XueRong YanHai ZhanChao Zhu
    • H03M7/30H04B1/66H04J3/16G06T9/00H04N19/61H04N7/52
    • H03M7/30G06T9/005H04B1/665H04J3/1611H04N7/52H04N19/61
    • The present invention relates to data compression and decompression, and particularly relates to a method and an apparatus for compressing and decompressing signal data. In an embodiment of the present invention, there is disclosed a method for compressing signal data, comprising: obtaining signal data; determining block lengths of a plurality of data blocks into which the signal data are divided, and determining exponents of the data blocks; forming a mantissa sequence of the data block by using the exponent of the data block to compress signal data contained in the data block; and forming a compressed data block by using the block length, the exponent and the mantissa sequence of the data block. By constructing a variable-length data block adapted to dynamic characteristics of signal data, the method for compressing signal data of the present invention increases the compression ratio of signal data.
    • 本发明涉及数据压缩和解压缩,特别涉及用于压缩和解压缩信号数据的方法和装置。 在本发明的实施例中,公开了一种用于压缩信号数据的方法,包括:获得信号数据; 确定信号数据被划分成多个数据块的块长度,并确定数据块的指数; 通过使用数据块的指数来形成数据块的尾数序列来压缩包含在数据块中的信号数据; 以及通过使用数据块的块长度,指数和尾数序列来形成压缩数据块。 通过构造适于信号数据的动态特性的可变长度数据块,本发明的压缩信号数据的方法增加了信号数据的压缩比。
    • 25. 发明授权
    • Adapter, base band processing unit and base station system
    • 适配器,基带处理单元和基站系统
    • US09019949B2
    • 2015-04-28
    • US13794893
    • 2013-03-12
    • International Business Machines Corporation
    • Yonghua LinRong YanHai ZhanChao Zhu
    • H04J3/06H04W88/10H04W56/00
    • H04W88/10H04W56/0005
    • An adapter, base band processing unit and a base station system. The adapter includes a frame obtaining logic unit configured to obtain an uplink data frame based on a received radio frame. A frame synchronizing logic unit configured to manage a frame tag of the uplink data frame. A time feedback logic unit configured to feedback to the base band processing unit an arrival time of a downlink data frame that is received from the base band processing unit. The base band processing unit includes a time synchronizing module configured to determine generation time of a current downlink data frame based on at least an arrival time of a previous downlink data frame that was a previous feed back from the adapter. A frame synchronizing module configured to manage a frame tag of the generated current downlink data frame.
    • 适配器,基带处理单元和基站系统。 适配器包括:帧获取逻辑单元,被配置为基于所接收的无线电帧来获得上行链路数据帧。 帧同步逻辑单元,被配置为管理上行链路数据帧的帧标签。 时间反馈逻辑单元,被配置为向基带处理单元反馈从基带处理单元接收的下行链路数据帧的到达时间。 基带处理单元包括时间同步模块,该时间同步模块被配置为基于来自适配器的先前反馈的先前下行链路数据帧的至少到达时间来确定当前下行链路数据帧的生成时间。 帧同步模块,被配置为管理生成的当前下行链路数据帧的帧标签。
    • 26. 发明申请
    • PARTITIONING A COORDINATION AREA IN A WIRELESS NETWORK
    • 在无线网络中分配协调区域
    • US20150087320A1
    • 2015-03-26
    • US14388225
    • 2013-03-28
    • INTERNATIONAL BUSINESS MACHINES CORPORATION
    • Mingqiang LiYonghua LinChao XueRong YanHai ZhanChao Zhu
    • H04W16/12
    • H04W16/12H04W16/30
    • The present invention relates to a wireless network, and more specifically, to a method and apparatus for partitioning a coordination area in a wireless network, the method comprising: obtaining antenna directions of respective cells, base station locations of respective cells, and scope of a coordination area within the wireless network; determining an initial coordination area based on the scope of the coordination area and the base station locations in respective cells; partitioning the initial coordination area into an inner area and an outer area; partitioning the outer area into an inward area and an outward area based on the antenna directions of cells within the outer area and the base station locations of cells within the outer area; and combining the inner area and the inward area within the outer area into a new coordination area. The method is simple and easy. It may solve a problem of coordination area edge caused by partitioning a coordination area and meanwhile avoid the association between coordination areas, thereby reducing the complexity of scheduling.
    • 无线网络技术领域本发明涉及一种无线网络,更具体地,涉及一种用于划分无线网络中的协调区域的方法和装置,所述方法包括:获得各小区的天线方向,各小区的基站位置, 无线网络内的协调区; 基于各个小区中的协调区域和基站位置的范围来确定初始协调区域; 将初始协调区域划分为内部区域和外部区域; 基于外部区域内的小区的天线方向和外部区域内的小区的基站位置,将外部区域划分为内部区域和外部区域; 并将外部区域内的内部区域和内部区域组合成新的协调区域。 该方法简单易行。 可以解决由协调区域划分引起的协调区域边缘问题,同时避免协调区域之间的关联,从而降低调度的复杂度。