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公开(公告)号：US09484859B2
公开(公告)日：2016-11-01
申请号：US14919847
申请日：2015-10-22
Applicant: MEDIATEK Inc.
Inventor： Yen Lin Huang , Hsiang-Hui Chang , Hsin-Hung Chen
IPC: H03L7/197 , H03C3/09 , H03C3/20 , H03L7/093 , H03L7/099 , H02M3/07 , H03B5/12 , H03L7/08 , H03L7/10
CPC classification number: H03C3/20 , H02M3/07 , H03B5/1212 , H03B5/124 , H03B5/1265 , H03C3/0925 , H03C3/0941 , H03C3/0958 , H03L7/08 , H03L7/0802 , H03L7/087 , H03L7/091 , H03L7/093 , H03L7/099 , H03L7/104 , H03L7/1976 , H03L2207/06
Abstract: A modulation circuit includes a phase locked loop (PLL) circuit, a scalar circuit and a sigma-delta modulator. The PLL circuit is for generating an output oscillating signal in response to a reference signal, a first control signal and a second control signal. The scalar circuit is for generating the first control signal in response to modulating data to control frequency deviation of the output oscillating signal, wherein the first control signal is in a digital form. The sigma-delta modulator is for generating the second control signal according to the modulating data to modulate a divider value of a frequency divider of the PLL circuit.
Abstract translation: 调制电路包括锁相环（PLL）电路，标量电路和Σ-Δ调制器。 PLL电路用于响应于参考信号，第一控制信号和第二控制信号产生输出振荡信号。 标量电路用于响应于调制数据产生第一控制信号以控制输出振荡信号的频率偏差，其中第一控制信号是数字形式。 Σ-Δ调制器用于根据调制数据产生第二控制信号，以调制PLL电路的分频器的分频值。
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公开(公告)号：US09219554B2
公开(公告)日：2015-12-22
申请号：US13744385
申请日：2013-01-17
Applicant: MEDIATEK INC.
Inventor： Hsin-Hung Chen , Hsiang-Hui Chang , Dimitris Nalbantis , Bernard Mark Tenbroek
Abstract: A communication device with a power detection scheme is disclosed. The communication device includes a transmitter for transmitting an RF signal, a demodulator for demodulating the RF signal by utilizing a phase-modulated (PM) signal provided from the transmitter to generate a demodulated signal, a loopback circuit coupled between the transmitter and the demodulator for transmitting the RF signal and the PM signal from the transmitter to the demodulator when the power detection scheme is enabled, and a power detector for detecting power of the demodulated signal.
Abstract translation: 公开了具有功率检测方案的通信设备。 通信设备包括用于发送RF信号的发射机，用于通过利用从发射机提供的相位调制（PM）信号来解调RF信号以产生解调信号的解调器，耦合在发射机和解调器之间的环回电路， 当功率检测方案被使能时，将RF信号和PM信号从发射机发送到解调器;以及功率检测器，用于检测解调信号的功率。
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23.发明申请DATA CONVERTING DEVICE, DIGITAL TRANSMITTING APPARATUS USING THE DATA CONVERTING DEVICE, AND RALATED DATA CONVERTING METHOD 有权数据转换装置，使用数据转换装置的数字传输装置和增加的数据转换方法公开(公告)号：US20140348269A1
公开(公告)日：2014-11-27
申请号：US14272522
申请日：2014-05-08
Applicant: MEDIATEK INC.
Inventor： Yang-Chuan Chen , Chih-Jung Chen , Hsiang-Hui Chang
CPC classification number: H03K19/017509 , G01R21/06 , G01R23/00 , H03F1/02 , H03F1/24 , H03F3/2178 , H03F3/24 , H03F2203/21154 , H03K19/017581 , H03M1/12 , H04B1/04 , H04B1/0475 , H04B2001/0408 , H04B2001/045 , H04L7/0037 , H04L7/0091 , H04L25/028 , H04L25/08 , H04L27/2053 , H04L27/2067 , H04L27/3411 , H04L27/3444 , H04W24/02
Abstract: A data converting device includes: a data sampling circuit arranged to up-sample a digital signal to generate an up-sampling signal according to a clock signal; a voltage level generating circuit arranged to generate an adjustable voltage; and a signal converting circuit arranged to generate a converting signal according to the adjustable voltage and the up-sampling signal.
Abstract translation: 数据转换装置包括：数据采样电路，被配置为对数字信号进行上采样以根据时钟信号产生上采样信号; 电压电平发生电路，被布置成产生可调电压; 以及信号转换电路，被配置为根据可调电压和上采样信号产生转换信号。
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Patent Agency Ranking
24.发明申请DIGITAL TRANSMITTER AND METHOD FOR COMPENSATING MISMATCH IN DIGITAL TRANSMITTER 有权数字发射机和数字发射机误差补偿方法公开(公告)号：US20140348265A1
公开(公告)日：2014-11-27
申请号：US14281916
申请日：2014-05-20
Applicant: MEDIATEK INC.
Inventor： Chi-Hsueh Wang , Yang-Chuan Chen , Hsiang-Hui Chang , Li-Shin Lai , Khurram Muhammad
CPC classification number: H04B1/0475 , H03F1/02 , H03F3/2178 , H03F3/24 , H03G3/002 , H04B2001/045 , H04L25/08
Abstract: A digital transmitter includes: a plurality of converting devices arranged to generate a plurality of converting signals according to a plurality of digital input signals; a compensation device arranged to generate at least one compensation signal according to the plurality of digital input signals; and a combining circuit arranged to output an amplified output signal according to the plurality of converting signals and the at least one compensation signal.
Abstract translation: 数字发射机包括：多个转换装置，被配置为根据多个数字输入信号产生多个转换信号; 补偿装置，被配置为根据所述多个数字输入信号生成至少一个补偿信号; 以及组合电路，被配置为根据所述多个转换信号和所述至少一个补偿信号输出放大的输出信号。
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公开(公告)号：US20240172206A1
公开(公告)日：2024-05-23
申请号：US18500123
申请日：2023-11-02
Applicant: MEDIATEK INC.
Inventor： Huan-Ren Fu , Aijun Cao , Hsiang-Hui Chang
IPC: H04W72/0453 , H04W72/21
CPC classification number: H04W72/0453 , H04W72/21
Abstract: A method for implicitly signaling a transmit (Tx) switching configuration includes: configuring a first signaling message to indicate a band combination of a plurality of bands; and sending the first signaling message, wherein the Tx switching configuration is implicitly signaled by an order of the plurality of bands of the band combination indicated by the first signaling message.
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26.发明授权Scheme for performing beamforming calibration by measuring joint signal path mismatch 有权用于通过测量联合信号路径失配来执行波束成形校准的方案公开(公告)号：US09590745B2
公开(公告)日：2017-03-07
申请号：US14923445
申请日：2015-10-27
Applicant: MEDIATEK INC.
Inventor： Yen-Lin Huang , Hsiang-Hui Chang , Hung-Tao Hsieh , Gary A. Anwyl , Thomas Edward Pare, Jr.
CPC classification number: H04B17/14 , H04B7/0413 , H04B7/0617 , H04L25/0202
Abstract: A method operative on a wireless transceiver device for performing beamforming calibration includes: measuring at least one joint signal response of at least one circuit loopback between a transmitter of the wireless transceiver device and a receiver of the wireless transceiver device to determine the measurement result; and calibrating joint signal path mismatch according to the measurement result for s multiple antenna beamforming system operating on the wireless transceiver device.
Abstract translation: 一种在用于执行波束成形校准的无线收发器设备上操作的方法包括：测量无线收发器设备的发射机与无线收发器设备的接收机之间的至少一个电路环回的至少一个联合信号响应，以确定测量结果; 并且根据在无线收发器设备上操作的多天线波束成形系统的测量结果来校准联合信号路径失配。
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27.发明授权公开(公告)号：US09379930B2
公开(公告)日：2016-06-28
申请号：US14677477
申请日：2015-04-02
Applicant: MediaTek Inc.
Inventor： Hsin-Hung Chen , Hsiang-Hui Chang
CPC classification number: H04L27/364 , H04B17/13 , H04B17/14 , H04L5/14 , H04L2027/0053 , H04L2027/0067
Abstract: A transmitter device with I/Q mismatch compensation and a method thereof are provided. The transmitter device includes a transmitter circuit, a loop-back circuit and a baseband circuit. The transmitter circuit is configured to convert a baseband signal into an RF signal based on a specific gain configuration of a plurality of gain configurations. The loop-back circuit is configured to retrieve the RF signal from the transmitter circuit. The baseband circuit is configured to compensate the baseband signal by specific transmitter I/Q mismatch corresponding to the specific gain configuration, wherein a plurality of transmitter IQ mismatches are determined for the plurality of gain configurations by the retrieved RF signal, and the specific transmitter I/Q mismatch among the plurality of transmitter IQ mismatches is determined by the retrieved RF signal, which is converted in response to the specific gain configuration, from the loop-back circuit.
Abstract translation: 提供具有I / Q失配补偿的发射机装置及其方法。 发射机装置包括发射机电路，环回电路和基带电路。 发射机电路被配置为基于多个增益配置的特定增益配置将基带信号转换成RF信号。 回路电路被配置为从发送器电路检索RF信号。 基带电路被配置为通过与特定增益配置相对应的特定发射机I / Q失配来补偿基带信号，其中通过检索的RF信号为多个增益配置确定多个发射机IQ失配，并且特定发射机I 多个发射机IQ不匹配中的/ Q不匹配由回波电路根据特定增益配置转换的检索到的RF信号确定。
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公开(公告)号：US20140029694A1
公开(公告)日：2014-01-30
申请号：US13798042
申请日：2013-03-12
Applicant: MEDIATEK INC.
Inventor： Yen-Lin Huang , Hsiang-Hui Chang
IPC: H04B1/64
CPC classification number: H04B1/64 , H03F1/3241 , H03F1/3247 , H03F3/189 , H03F3/24 , H03F2200/336 , H04B2001/0425
Abstract: A signal transmitting device includes: a signal processing circuit arranged to process an input signal to generate a processed input signal according to a compensating signal; a signal converting circuit arranged to convert the processed input signal to generate an output signal according to an oscillating signal; and an arithmetic circuit arranged to generate the compensating signal according to the power of a predetermined component in the output signal, wherein the signal processing circuit uses the compensating signal to update the input signal, and the signal converting circuit converts the updated input signal to reduce the power of the predetermined component in the output signal.
Abstract translation: 信号发送装置包括：信号处理电路，被配置为根据补偿信号处理输入信号以产生经处理的输入信号; 信号转换电路，被配置为根据振荡信号转换经处理的输入信号以产生输出信号; 以及算术电路，被配置为根据输出信号中的预定分量的功率产生补偿信号，其中信号处理电路使用补偿信号来更新输入信号，并且信号转换电路转换更新的输入信号以减少 输出信号中预定分量的功率。
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