Communication device and communication method
    4.
    发明授权
    Communication device and communication method 失效
    通信设备和通信方式

    公开(公告)号:US07729405B2

    公开(公告)日:2010-06-01

    申请号:US11019239

    申请日:2004-12-23

    IPC分类号: H04B1/00

    CPC分类号: H04B1/7172 H04B1/7183

    摘要: A communication device performs a radio communication in an ultra wideband with the use of the impulse radio system. The communication device includes a receiver. The receiver is equipped with antennas, a correlation circuit, and a CPU. The antennas receive send signals from a transmitter. The correlation circuit detects a synchronization pulse having a longer cycle than a highly redundant data pulse among received signals. The CPU performs a synchronization process based on the synchronization pulse. The CPU establishes a channel based on the synchronization pulse, and selectively changes the antennas according to the received signal. In the case where the receive signal has not been received for a given period of time after the synchronization is established correlation signals is stopped outputting to start a polling signal. The correlation signals are output to obtain correlation of the receive signals.

    摘要翻译: 通信装置利用脉冲无线系统在超宽带中进行无线通信。 通信设备包括接收机。 接收机配备有天线,相关电路和CPU。 天线从发射机接收发送信号。 相关电路检测在接收信号中具有比高冗余数据脉冲更长的周期的同步脉冲。 CPU基于同步脉冲执行同步处理。 CPU基于同步脉冲建立信道,并根据接收到的信号有选择地改变天线。 在建立同步后的给定时间段内接收信号未被接收的情况下,相关信号停止输出以开始轮询信号。 输出相关信号以获得接收信号的相关性。

    Antenna apparatus
    10.
    发明授权
    Antenna apparatus 有权
    天线装置

    公开(公告)号:US07289070B2

    公开(公告)日:2007-10-30

    申请号:US11119732

    申请日:2005-05-03

    IPC分类号: H01Q1/24

    摘要: An antenna apparatus is disclosed. The antenna apparatus is structured by a ground plate that is shaped like a plate, and a feeding unit that is formed by a plate-like member, the feeding unit extending from the ground plate generally perpendicular to the ground plate at a predetermined angle to the ground plate for a predetermined length.

    摘要翻译: 公开了一种天线装置。 天线装置由板状的接地板和由板状构件形成的馈送单元构成,馈电单元从接地板大致垂直于接地板以预定的角度延伸到 接地板预定长度。