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    • 1. 发明申请
    • Method For Assigning Frequency Spectrum Bandwith Of An Ofdm And Ofdma Coexistence System
    • 用于分配频谱带宽和方差共享系统的方法
    • US20070286147A1
    • 2007-12-13
    • US11662956
    • 2004-10-09
    • Ning WangHexing LiuXiang GaoYing LiuYanwei Wu
    • Ning WangHexing LiuXiang GaoYing LiuYanwei Wu
    • H04J11/00
    • H04L5/0007H04L5/0028H04L5/0048H04L5/0064H04L5/0087H04L5/1469
    • The present invention relates to a method for assigning frequency spectrum bandwidth of an OFDM and OFDMA coexistence system, and the base station system combines uplink and downlink data containing OFDM sub-frames and OFDMA sub-frames in a time division fashion, assigns the frequency spectrum reasonably according to the different bandwidth requirements of the OFDM and the OFDMA and the use condition of the frequency band, and constitutes a frame structure realizing the coexistence of the OFDM and the OFDMA, so as to send the OFDMA uplink/downlink data and the OFDM uplink/downlink data. The method for assigning frequency spectrum bandwidth according to the present invention can achieve a higher frequency spectrum utilization efficiency of an OFDM and OFDMA coexistence system, avoid the waste of the frequency spectrum resource of a service provider; and can also realize more flexible networking.
    • 本发明涉及一种用于分配OFDM和OFDMA共存系统的频谱带宽的方法,并且基站系统以时分方式组合包含OFDM子帧和OFDMA子帧的上行链路和下行链路数据,分配频谱 合理地根据OFDM和OFDMA的不同带宽要求和频带的使用条件,构成实现OFDM与OFDMA共存的帧结构,从而发送OFDMA上行/下行数据和OFDM 上行/下行数据。 根据本发明的用于分配频谱带宽的方法可以实现OFDM和OFDMA共存系统的更高的频谱利用效率,避免服务提供商的频谱资源的浪费; 并可实现更灵活的网络化。
    • 4. 外观设计
    • Wallet for card, cash and cellphone
    • USD903314S1
    • 2020-12-01
    • US29699850
    • 2019-07-30
    • Ying Liu
    • Ying Liu
    • FIG. 1 is a perspective view of a wallet for card, cash and cellphone showing my new design in a folded position;
      FIG. 2 is a front elevation view of FIG. 1;
      FIG. 3 is a rear elevation view of FIG. 1;
      FIG. 4 is a right side elevation view of FIG. 1;
      FIG. 5 is a left side elevation view of FIG. 1;
      FIG. 6 is a top plan view of FIG. 1;
      FIG. 7 is a bottom plan view of FIG. 1;
      FIG. 8 is a front elevation view thereof, showing my new design in a unfolded position;
      FIG. 9 is another elevation view thereof, showing my new design in a unfolded position;
      FIG. 10 is an exploded view of FIG. 9;
      FIG. 11 is another exploded view of FIG. 9, showing the rear view of the phone case;
      FIG. 12 is a perspective view thereof, showing my new design in a unfolded position;
      FIG. 13 is a perspective view thereof, showing my new design in a unfolded position; and,
      FIG. 14 is a perspective view thereof, showing my new design in a unfolded position.
      The broken lines in the figures depict stitching lines which form no part of the claimed design.