APPARATUS AND METHOD FOR ENCODING CONSTANT AMPLITUDE IN CODE DIVISION MULTIPLEXING COMMUNICATION SYSTEM
    31.
    发明申请
    APPARATUS AND METHOD FOR ENCODING CONSTANT AMPLITUDE IN CODE DIVISION MULTIPLEXING COMMUNICATION SYSTEM 有权
    编码段复用通信系统中恒定幅度的编码方法

    公开(公告)号:US20140153587A1

    公开(公告)日:2014-06-05

    申请号:US14056359

    申请日:2013-10-17

    CPC classification number: H04L1/004 H04L1/0071

    Abstract: A method and apparatus for encoding a constant amplitude that is applied to a code division multiplexing communication system are provided. By dividing a data bit into a block unit, the receiving side can easily determine an error, and by reducing power consumption in outdoor wide area communication using a bit string of a small length in a basic unit of an input frame, efficiency can be improved, and thus a physical layer of a ubiquitous sensor network can be optimized.

    Abstract translation: 提供了一种用于对应用于码分复用通信系统的恒定幅度进行编码的方法和装置。 通过将数据位分割为块单位,接收侧可以容易地确定错误,并且通过使用输入帧的基本单位中的小长度的位串减少户外广域通信中的功耗,可以提高效率 ,因此可以优化普遍存在的传感器网络的物理层。

    Omnidirectional antenna
    38.
    发明授权

    公开(公告)号:US09647346B2

    公开(公告)日:2017-05-09

    申请号:US14728273

    申请日:2015-06-02

    CPC classification number: H01Q21/29 H01Q1/00 H01Q1/36 H01Q9/32

    Abstract: An omnidirectional antenna is provided. The omnidirectional antenna includes a spiral antenna including a substrate, at least one upper antenna pattern formed on the substrate, and at least one lower antenna pattern formed under the substrate and connected to the upper antenna pattern; and a monopole antenna that supports the spiral antenna and that is connected to the spiral antenna. Therefore, by forming an omnidirectional antenna in a spiral antenna having an upper antenna pattern and a lower antenna pattern at an upper surface and a lower surface, respectively, of a substrate, three-dimensional current flow is available and thus omnidirectional radiation characteristics may be exhibited.

    Receiving apparatus and method for RFID reader
    40.
    发明授权
    Receiving apparatus and method for RFID reader 有权
    RFID读写器接收装置及方法

    公开(公告)号:US09054904B2

    公开(公告)日:2015-06-09

    申请号:US14310930

    申请日:2014-06-20

    Abstract: A receiving apparatus for an RFID reader estimates channel coefficients for each of a plurality of receiving antennas based on tag response signals received via a plurality of receiving antennas, compensates the tag response signals received via the plurality of receiving antennas based on the channel coefficients estimated for each of a plurality of channel estimators, combines the compensated tag response signals for each of the plurality of receiving antennas to generate a combined signal, and detect bits in the combined signal.

    Abstract translation: 用于RFID读取器的接收装置基于经由多个接收天线接收的标签响应信号来估计多个接收天线中的每一个的信道系数,根据估计的信道系数来补偿经由多个接收天线接收的标签响应信号 多个信道估计器中的每一个组合用于多个接收天线中的每一个的经补偿标签响应信号以产生组合信号,并检测组合信号中的比特。

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