Radio transmitter with reduced power consumption
    22.
    发明授权
    Radio transmitter with reduced power consumption 有权
    无线电发射机功耗降低

    公开(公告)号:US08036301B2

    公开(公告)日:2011-10-11

    申请号:US10589174

    申请日:2005-02-09

    IPC分类号: H04L27/20 H04L25/06 H04L27/36

    摘要: A technique for controlling a transmitter apparatus is useful for reducing power consumption, and may be particularly applicable to portable apparatuses such as mobile transceivers which employ a battery power supply. According to an exemplary embodiment, the transmitter apparatus includes a power amplifier for amplifying a transmission signal. A processor controls the power amplifier based on a type of digital modulation associated with the transmission signal.

    摘要翻译: 用于控制发射机装置的技术对于降低功耗是有用的,并且可以特别适用于诸如使用电池电源的移动收发器的便携式设备。 根据示例性实施例,发射机设备包括用于放大传输信号的功率放大器。 处理器基于与传输信号相关联的数字调制类型来控制功率放大器。

    Predistorter for use in a wireless transmitter
    23.
    发明授权
    Predistorter for use in a wireless transmitter 失效
    用于无线发射机的预失真器

    公开(公告)号:US07359683B2

    公开(公告)日:2008-04-15

    申请号:US10576389

    申请日:2003-10-20

    IPC分类号: H04B1/04

    摘要: A wireless radio frequency (RF) transmitter includes a power amplifier and a predistorter for injecting a distortion signal into an RF signal prior to amplification for use in linearizing the power amplifier; wherein the predistorter includes a phase shifter operating at less than twice a carrier frequency of the RF signal.

    摘要翻译: 无线射频(RF)发射机包括功率放大器和预失真器,用于在放大之前将失真信号注入RF信号以用于线性化功率放大器; 其中所述预失真器包括以小于所述RF信号的载波频率的两倍工作的移相器。