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    • 35. 发明申请
    • Ultra wide band device and detect-and-avoid method thereof
    • 超宽带设备及其检测和避免方法
    • US20080045175A1
    • 2008-02-21
    • US11651593
    • 2007-01-10
    • Byung-tae YoonYoung-eil KimChang-won JungSe-hyun Park
    • Byung-tae YoonYoung-eil KimChang-won JungSe-hyun Park
    • H04B15/00H04B1/18H04B17/00
    • H04B1/719H04B1/71637H04B17/318H04B17/382H04L27/0006
    • An ultra wide band (UWB) device and a detect and avoid (DAA) method thereof are provided. The UWB device includes a detect and avoid (DAA) module block which detects a strength of radio signals received in a plurality of channels and determines communicability of the channels; a multitone generation block which generates a plurality of frequencies corresponding to the plurality of the channels and outputs one of the plurality of frequencies; and a controller which controls the multitone generation block to generate frequencies of an available channel which is determined to be communicable by the DAA module block. The method includes detecting a strength of radio signals received in a plurality of channels; determining communicability of the channels according to the detected strength of the radio signals; generating frequencies corresponding to a channel which is determined to be communicable; and transmitting or receiving a signal using the generated frequencies.
    • 提供了超宽带(UWB)装置及其检测和避免(DAA)方法。 UWB设备包括检测和避免(DAA)模块块,其检测在多个信道中接收的无线电信号的强度并确定信道的通信性; 产生与所述多个通道对应的多个频率并输出所述多个频率中的一个的多音频产生模块; 以及控制器,其控制所述多音产生块以产生被所述DAA模块块确定为可通信的可用信道的频率。 该方法包括检测在多个信道中接收的无线电信号的强度; 根据检测到的无线电信号的强度来确定信道的可通信性; 产生与被确定为可通信的信道相对应的频率; 以及使用所产生的频率发送或接收信号。
    • 38. 发明申请
    • Multiple Frequency Band Antenna and Antenna system Using the Same
    • 多频天线和使用天线的天线系统
    • US20090079647A1
    • 2009-03-26
    • US12144153
    • 2008-06-23
    • Chang-won JungYoung-eil Kim
    • Chang-won JungYoung-eil Kim
    • H01Q13/10
    • H01Q9/42H01Q1/243H01Q1/38H01Q5/357
    • A multiple frequency band antenna is provided that includes a radiating unit having a slot formed on a first surface of the substrate that is closed at one end and open at the other end, and a feed unit formed on a second surface of the substrate to pass through an area on the second surface that corresponds with the same area on first surface between the center and the closed side of the slot. The feeding unit comprises at least one switch which adjusts the size of an area for feeding power to the antenna. The radiating unit is resonated in a plurality of frequency bands when the switch is turned off, and the radiating unit is resonated in a single frequency band which is different from the plurality of frequency bands when the switch is turned on. Consequently, an antenna is implemented for use in multiple frequency bands.
    • 提供了一种多频带天线,其包括辐射单元,该辐射单元具有形成在基板的第一表面上的槽,该槽在一端封闭并在另一端处开放;以及馈送单元,形成在所述基板的第二表面上以通过 通过第二表面上与狭槽的中心和封闭侧之间的第一表面上的相同区域相对应的区域。 馈送单元包括至少一个开关,其调节用于向天线供电的区域的尺寸。 当开关断开时,辐射单元在多个频带中谐振,并且当开关接通时,辐射单元在与多个频带不同的单个频带中谐振。 因此,实现了在多个频带中使用的天线。
    • 40. 发明授权
    • Monopole antenna applicable to MIMO system
    • 单极天线适用于MIMO系统
    • US07460069B2
    • 2008-12-02
    • US11489457
    • 2006-07-20
    • Se-hyun ParkByung-tae YoonYoung-eil KimYoung-min Moon
    • Se-hyun ParkByung-tae YoonYoung-eil KimYoung-min Moon
    • H01Q1/38
    • H01Q9/42
    • A monopole antenna capable of implementing an MIMO system, which includes a ground part formed of plate metal, a monopole antenna element connected to one side of the ground part and formed of strips bent multiple times, an auxiliary antenna element connected to one side of the ground part and disposed adjacent to the monopole antenna element to electrically connect to the monopole antenna element, and a short-circuit part interconnecting the monopole antenna element and the auxiliary antenna element. Accordingly, the monopole antenna element is bent multiple times so that the antenna can become compact in less than half a width compared to the conventional antenna, and when the MIMO system is constructed, the interference between the respective antennas can be reduced so that the array antenna can become compact in size.
    • 一种能够实现MIMO系统的单极天线,其包括由板金属形成的接地部分,连接到接地部分的一侧并由多个弯曲的条带形成的单极天线元件,连接到所述接地部分的一侧的辅助天线元件 接地部分并且设置成与单极天线元件相邻以电连接到单极天线元件,以及将单极天线元件和辅助天线元件互连的短路部分。 因此,与常规天线相比,单极天线元件弯曲多次,使得天线可以变得小于半宽度,并且当构成MIMO系统时,可以减小各个天线之间的干扰,使得阵列 天线尺寸变得紧凑。