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    RF Transmitter and integrated circuit device
    1.
    发明公开
    RF Transmitter and integrated circuit device 有权
    RF发射器和集成电路器件

    公开(公告)号：EP2515445A8

    公开(公告)日：2012-12-19

    申请号：EP12002696.8

    申请日：2012-04-18

    Applicant: MediaTek Singapore Pte Ltd.

    Inventor： Wang, Hua ,  Liang, Paul Cheng Po ,  Peng, Chun-Hsien ,  Huang, Ho-Chi

    IPC: H04B1/04 ,  H04L27/36

    CPC classification number: H04B1/0475 ,  H03F1/3241 ,  H04B1/0483 ,  H04B2001/0425 ,  H04L27/368

    Abstract: A radio frequency transmitter (400) including at least one digital signal processing module (410, 710) is described. The at least one digital signal processing module (410, 710) is arranged to receive a complex digital input signal, successively apply pre-distortion to the received complex digital input signal with a progressively finer granularity, simultaneously progressively increase a sampling rate of the received complex digital input signal, and output a first, in-phase digital control word and a second, quadrature, digital control word for controlling at least one digital power amplifier component (230) to generate a radio frequency signal representative of the received complex digital input signal.

    RF Transmitter and integrated circuit device
    2.
    发明公开
    RF Transmitter and integrated circuit device 有权
    射频发射器和集成电路器件

    公开(公告)号：EP2515445A1

    公开(公告)日：2012-10-24

    申请号：EP12002696.8

    申请日：2012-04-18

    Applicant: MediaTek Singapore Pte Ltd.

    Inventor： Wang, Hua ,  Po Liang, Paul Cheng ,  Peng, Chun-Hsien ,  Huang, Ho-Chi

    IPC: H04B1/04 ,  H04L27/36

    CPC classification number: H04B1/0475 ,  H03F1/3241 ,  H04B1/0483 ,  H04B2001/0425 ,  H04L27/368

    Abstract: A radio frequency transmitter (400) including at least one digital signal processing module (410, 710) is described. The at least one digital signal processing module (410, 710) is arranged to receive a complex digital input signal, successively apply pre-distortion to the received complex digital input signal with a progressively finer granularity, simultaneously progressively increase a sampling rate of the received complex digital input signal, and output a first, in-phase digital control word and a second, quadrature, digital control word for controlling at least one digital power amplifier component (230) to generate a radio frequency signal representative of the received complex digital input signal.

    Abstract translation: 描述了包括至少一个数字信号处理模块（410,710）的射频发射器（400）。 所述至少一个数字信号处理模块（410,710）被配置为接收复数数字输入信号，以逐渐变好的粒度连续地向所接收的复数数字输入信号应用预失真，同时逐渐增加所接收的所接收的复数数字输入信号的采样率 并且输出用于控制至少一个数字功率放大器组件（230）的第一同相数字控制字和第二正交数字控制字，以产生代表所接收的复数数字输入的射频信号 信号。

    RF transmitter and method therefor
    5.
    发明公开
    RF transmitter and method therefor 有权
    HF-Sender und Verfahrendafür

    公开(公告)号：EP2515444A1

    公开(公告)日：2012-10-24

    申请号：EP12002263.7

    申请日：2012-03-29

    Applicant: MediaTek Singapore Pte Ltd.

    Inventor： Wang, Hua ,  Lu, Chao ,  Liu, Julia ,  Peng, Chun-Hsien ,  Son, Sang Won ,  Liang, Paul Cheng Po

    IPC: H04B1/04 ,  H04L27/36

    CPC classification number: H04B1/0475 ,  H03F1/3241 ,  H04B1/0483 ,  H04B2001/0425 ,  H04L27/368

    Abstract: A radio frequency (RF) transmitter (200, 400) has at least one digital signal processing module (210, 410) and at least one power amplifier module (230). The digital signal processing module (210, 410) includes at least one digital pre-distortion component (250) arranged to receive at least one complex input signal, perform two-dimensional non-uniform mapping of the complex input signal to a first, in-phase, digital pre-distortion control word and a further, quadrature, digital pre-distortion control word, and output the in-phase and quadrature pre-distortion digital control words. The power amplifier module (230) includes a first, in-phase, array of switch-mode power cells (510) and at least one further, quadrature, array of switch-mode power cells (520). The two-dimensional non-uniform mapping has a pre-distortion profile (350) at least partly based on an input/output relationship for the power amplifier module (230) arranged to generate an analogue RF signal based at least partly on the in-phase and quadrature digital pre-distortion control words.

    Abstract translation: 射频（RF）发射机（200,400）具有至少一个数字信号处理模块（210,410）和至少一个功率放大器模块（230）。 数字信号处理模块（210,410）包括至少一个数字预失真分量（250），被配置为接收至少一个复数输入信号，执行复数输入信号的二维非均匀映射到第一， 数字预失真控制字和另一个正交数字预失真控制字，并输出同相和正交预失真数字控制字。 功率放大器模块（230）包括开关模式功率单元（510）的第一同相阵列以及开关模式功率单元（520）的至少一个正交阵列。 至少部分地基于用于功率放大器模块（230）的输入/输出关系的二维非均匀映射具有预失真分布（350），功率放大器模块（230）被布置为至少部分地基于内部 相位和正交数字预失真控制字。

    Rf transmitter architecture and method therefor
    7.
    发明公开
    Rf transmitter architecture and method therefor 有权
    HF-Senderarchitektur und Verfahrendafür

    公开(公告)号：EP2541781A1

    公开(公告)日：2013-01-02

    申请号：EP12004567.9

    申请日：2012-06-18

    Applicant: MediaTek Singapore Pte Ltd.

    Inventor： Peng, Chun-Hsien ,  Liu, Julia ,  Lu, Chao ,  Wang, Hua ,  Liang, Paul, Cheng, Po

    IPC: H04B1/04 ,  H04L27/36 ,  H03F1/32

    CPC classification number: H04B1/0475 ,  H03F1/3241 ,  H03F1/3247 ,  H03F1/3294 ,  H03F3/2171 ,  H03F3/245 ,  H03F3/45179 ,  H03F2200/336 ,  H03F2201/3233 ,  H04B2001/0425 ,  H04L27/368

    Abstract: A radio frequency (RF) transmitter architecture (200) includes at least one digital signal processing module (210). The at least one digital signal processing module (210) is configurable to operate in at least a first mode wherein the at least one digital signal processing module is arranged to receive a digital input signal, select, from a reduced set of digital power amplifier (DPA) control values, a plurality of DPA control values based at least partly on the received digital input signal, perform interpolation of the plurality of selected DPA control values to determine a DPA control value from a non-reduced set of DPA control values representative of the received digital input signal, and output to at least one DPA component (230) the determined DPA control value representative of the received digital input signal.

    Abstract translation: 射频（RF）发射机架构（200）包括至少一个数字信号处理模块（210）。 至少一个数字信号处理模块（210）可配置为至少在第一模式下操作，其中至少一个数字信号处理模块被布置成接收数字输入信号，从数字功率放大器 DPA）控制值，至少部分地基于所接收的数字输入信号的多个DPA控制值执行所述多个所选择的DPA控制值的内插，以从DPA控制值的非还原集合中确定DPA控制值，所述DPA控制值表示 接收到的数字输入信号，并且将至少一个DPA分量（230）输出到所确定的代表所接收的数字输入信号的DPA控制值。

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