UWB-based wireless bridge
    2.
    发明授权
    UWB-based wireless bridge 失效
    基于UWB的无线网桥

    公开(公告)号:US07515606B2

    公开(公告)日:2009-04-07

    申请号:US10964410

    申请日:2004-10-12

    IPC分类号: H04J3/22

    摘要: An ultra wide band (UWB)-based wireless bridge converts wired serial data into a UWB signal with a quality of service, transmits it wirelessly, and inverts the UWB signal into wired serial data. The UWB-based wireless bridge includes: a physical layer processing portion; a protocol converting block; a UWB signal transceiving portion; and a control portion.

    摘要翻译: 基于超宽带(UWB)的无线网桥将有线串行数据转换为具有服务质量的UWB信号,以无线方式传输,并将UWB信号反转为有线串行数据。 基于UWB的无线网桥包括:物理层处理部分; 协议转换块 UWB信号收发部分; 和控制部。

    Trapezoid ultra wide band patch antenna
    3.
    发明授权
    Trapezoid ultra wide band patch antenna 有权
    梯形超宽带贴片天线

    公开(公告)号:US07042401B2

    公开(公告)日:2006-05-09

    申请号:US11024568

    申请日:2004-12-28

    IPC分类号: H01Q1/38

    CPC分类号: H01Q1/38

    摘要: A micro-miniature, light weighted and low cost trapezoid ultra wide antenna having an ultra wide band characteristics and a notch characteristic in 5 GHz WLAN band (5.15–5.35 GHz) is disclosed. The trapezoid ultra wide antenna includes: a dielectric substrate; a trapezoid shaped patch formed at an upper end of a middle line on an upper side of the dielectric substrate; a feeding line formed at a bottom end of the middle line on the upper side of the dielectric substrate for feeding electric power to the trapezoid shaped patch; a matching stub formed between the trapezoid shaped patch and the feeding line for impedance matching between the trapezoid shaped patch and the feeding line; and a ground formed at a side of the feeding line on the upper side of the dielectric substrate.

    摘要翻译: 公开了一种具有超宽带特性和5GHz WLAN频带(5.15-5.35GHz)中的陷波特性的微型,轻量级和低成本梯形超宽天线。 梯形超宽天线包括:电介质基片; 形成在电介质基板的上侧的中间线的上端的梯形贴片; 馈电线,形成在电介质基板的上侧的中间线的底端,用于将电力馈送到梯形贴片; 在梯形贴片和用于梯形贴片和馈线之间的阻抗匹配的馈线之间形成的匹配短截线; 以及在电介质基板的上侧的馈电线的一侧形成的接地。

    TRAPEZOID ULTRA WIDE BAND PATCH ANTENNA
    4.
    发明申请
    TRAPEZOID ULTRA WIDE BAND PATCH ANTENNA 有权
    TRAPEZOID超宽带天线

    公开(公告)号:US20060066487A1

    公开(公告)日:2006-03-30

    申请号:US11024568

    申请日:2004-12-28

    IPC分类号: H01Q1/38

    CPC分类号: H01Q1/38

    摘要: A micro-miniature, light weighted and low cost trapezoid ultra wide antenna having an ultra wide band characteristics and a notch characteristic in 5 GHz WLAN band (5.15-5.35 GHz) is disclosed. The trapezoid ultra wide antenna includes: a dielectric substrate; a trapezoid shaped patch formed at an upper end of a middle line on an upper side of the dielectric substrate; a feeding line formed at a bottom end of the middle line on the upper side of the dielectric substrate for feeding electric power to the trapezoid shaped patch; a matching stub formed between the trapezoid shaped patch and the feeding line for impedance matching between the trapezoid shaped patch and the feeding line; and a ground formed at a side of the feeding line on the upper side of the dielectric substrate.

    摘要翻译: 公开了一种具有超宽带特性和5GHz WLAN频带(5.15-5.35GHz)中的陷波特性的微型,轻量级和低成本梯形超宽天线。 梯形超宽天线包括:电介质基片; 形成在电介质基板的上侧的中间线的上端的梯形贴片; 馈电线,形成在电介质基板的上侧的中间线的底端,用于将电力馈送到梯形贴片; 在梯形贴片和用于梯形贴片和馈线之间的阻抗匹配的馈线之间形成的匹配短截线; 以及在电介质基板的上侧的馈电线的一侧形成的接地。

    Digital polar modulator for a switch mode RF power amplifier
    5.
    发明授权
    Digital polar modulator for a switch mode RF power amplifier 有权
    用于开关模式RF功率放大器的数字极化调制器

    公开(公告)号:US09025700B2

    公开(公告)日:2015-05-05

    申请号:US14365885

    申请日:2011-12-16

    摘要: A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.

    摘要翻译: 用于将基带信号变换为调制数字调制器输出信号的数字极调制器(DPM)包括输入单元和两个低通Δ-Σ调制器,第一个调制器连接在第一输入部分的下游, 根据幅度调制基带信号分量输出第一脉冲序列,第二脉冲序列连接在第二输入部分的下游,并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器,其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器,其被配置为提供多路复用器输出信号,所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。

    DIGITAL POLAR MODULATOR FOR A SWITCH MODE RF POWER AMPLIFIER
    6.
    发明申请
    DIGITAL POLAR MODULATOR FOR A SWITCH MODE RF POWER AMPLIFIER 有权
    数字极性调制器,用于开关模式RF功率放大器

    公开(公告)号:US20140307825A1

    公开(公告)日:2014-10-16

    申请号:US14365885

    申请日:2011-12-16

    摘要: A digital polar modulator (DPM) for transforming a baseband signal into a modulated digital modulator output signal comprises an input unit and two low-pass delta-sigma modulators, a first one being connected downstream from the first input part and configured to provide at its output a first pulse train in dependence on an amplitude- modulating baseband signal component, and a second one being connected downstream from the second input part and configured to provide at its output a multilevel quantized signal in dependence on a phase modulating baseband signal component; a multiphase generator, which is configured to provide a set of square-wave carrier signals having a common carrier frequency and exhibiting discrete phase shifts with respect to each other; a multiplexer, which is configured to provide a multiplexer output signal that is formed by switching, in dependence on a signal received at a select input as a function of time, between selected ones of the carrier signals; and a combiner unit.

    摘要翻译: 用于将基带信号变换为调制数字调制器输出信号的数字极调制器(DPM)包括输入单元和两个低通Δ-Σ调制器,第一个调制器连接在第一输入部分的下游, 根据幅度调制基带信号分量输出第一脉冲序列,第二脉冲序列连接在第二输入部分的下游,并且被配置为根据相位调制基带信号分量在其输出端提供多级量化信号; 多相发生器,其被配置为提供具有相同载波频率并且相对于彼此呈现离散相移的一组方波载波信号; 多路复用器,其被配置为提供多路复用器输出信号,所述多路复用器输出信号通过根据在选择输入端接收的信号作为时间的函数在所选择的载波信号之间进行切换而形成; 和组合器单元。

    Radio frequency transceiver
    8.
    发明授权
    Radio frequency transceiver 有权
    射频收发器

    公开(公告)号:US07542731B2

    公开(公告)日:2009-06-02

    申请号:US10831633

    申请日:2004-04-22

    IPC分类号: H04B1/40

    CPC分类号: H04B1/405 H04B1/28

    摘要: Provided is a radio frequency transceiver. The radio frequency transceiver includes: a receiving unit for converting a radio frequency signal received by an antenna into an intermediate signal based on an intermediate local signal; a transmitting unit for converting an intermediate signal into a radio frequency signal based on a radio frequency local signal; and a local signal generating unit for generating the intermediate local signal and the radio frequency local signal.

    摘要翻译: 提供了一种射频收发器。 射频收发机包括:接收单元,用于基于中间本地信号将由天线接收的射频信号转换成中间信号; 发送单元,用于基于射频本地信号将中间信号转换成射频信号; 以及用于产生中间本地信号和射频本地信号的本地信号产生单元。

    Radio frequency receiver
    9.
    发明授权
    Radio frequency receiver 有权
    射频接收机

    公开(公告)号:US08774747B2

    公开(公告)日:2014-07-08

    申请号:US13488902

    申请日:2012-06-05

    IPC分类号: H04B1/10 H03D1/06

    摘要: A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.

    摘要翻译: 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括:放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元,转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元,去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号,并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。

    RADIO FREQUENCY RECEIVER
    10.
    发明申请
    RADIO FREQUENCY RECEIVER 有权
    无线电频率接收机

    公开(公告)号:US20130135048A1

    公开(公告)日:2013-05-30

    申请号:US13488902

    申请日:2012-06-05

    IPC分类号: H03F3/45 H03F3/16

    摘要: A radio frequency receiver of the present invention removes out-of-band jamming signals and interference signals without SAW filters. The radio frequency receiver includes: a low noise amplifier amplifying a signal received through an antenna; a second order intermodulation cancellation unit removing second order intermodulation caused by an out-of-band jamming or interference signal included in the signal output from the low noise amplifier; a passive mixer unit converting a frequency of the signal output from the second order intermodulation cancellation unit; and a low pass filter unit removing an out-of-band jamming or interference signal included in the signal output from the passive mixer unit and delivering the signal with the out-of-band jamming or interference signal removed therefrom to a transimpedance amplifier.

    摘要翻译: 本发明的射频接收机在没有SAW滤波器的情况下去除带外干扰信号和干扰信号。 射频接收机包括:放大通过天线接收的信号的低噪声放大器; 二阶互调消除单元去除由低噪声放大器输出的信号中包含的带外干扰或干扰信号引起的二阶互调; 无源混频器单元,转换从二阶互调消除单元输出的信号的频率; 以及低通滤波器单元,去除从无源混频器单元输出的信号中包含的带外干扰或干扰信号,并且将从其去除的带外干扰或干扰信号的信号传送到跨阻抗放大器。