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公开(公告)号：US20160211870A1
公开(公告)日：2016-07-21
申请号：US15002089
申请日：2016-01-20
Applicant: MEDIATEK INC.
Inventor： Ming-Chou Wu , Dimitris Nalbantis , Qiang Zhou , Bernard Mark Tenbroek , Ting-Hsuan Kuo
CPC classification number: H04B1/0475 , G01R27/06 , H04B1/0458 , H04B17/103 , H04B17/12 , H04B17/19 , H04L27/12
Abstract: Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal. In one embodiment, a data selector is used to pass only signals above a magnitude threshold. In another embodiment, a modified phase unwrap algorithm stores an unwrapping correction for subsequent samples and updates the stored unwrapping correction upon processing of each sample processed. In another novel aspect, mixed hardware and software solutions are used. In one embodiment, the reference signal and the detection signals are matched such that the modulation signal interference is removed. In some embodiments, one or two power detectors and a cross-correlator are used. In yet another embodiment, two detection measurement paths are used to obtain the reflection coefficient. In one embodiment, fractional timing offset is estimated to obtain the reflection coefficient.
Abstract translation: 提供了用于反射系数估计的检测路径设计的方法和装置。 在一个新颖的方面，基于硬件的相位估计器估计正向路径信号和反向路径信号之间的相移。 在一个实施例中，使用数据选择器仅传递高于幅度阈值的信号。 在另一个实施例中，修改的相位展开算法存储用于后续采样的展开校正，并且在处理每个被处理样本的处理时更新存储的展开校正。 在另一个新颖的方面，使用混合的硬件和软件解决方案。 在一个实施例中，参考信号和检测信号被匹配，使得调制信号干扰被去除。 在一些实施例中，使用一个或两个功率检测器和互相关器。 在另一个实施例中，使用两个检测测量路径来获得反射系数。 在一个实施例中，估计分数定时偏移以获得反射系数。
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Patent Agency Ranking
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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公开(公告)号：US20130188675A1
公开(公告)日：2013-07-25
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
IPC: H04B17/00
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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公开(公告)号：US10075202B2
公开(公告)日：2018-09-11
申请号：US15662728
申请日：2017-07-28
Applicant: MEDIATEK INC.
Inventor： Ming-Chou Wu , Dimitris Nalbantis , Qiang Zhou , Bernard Mark Tenbroek , Ting-Hsuan Kuo
CPC classification number: H04B1/0475 , G01R27/06 , H04B1/0458 , H04B17/103 , H04B17/12 , H04B17/19 , H04L27/12
Abstract: Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal. In one embodiment, a data selector is used to pass only signals above a magnitude threshold. In another embodiment, a modified phase unwrap algorithm stores an unwrapping correction for subsequent samples and updates the stored unwrapping correction upon processing of each sample processed. In another novel aspect, mixed hardware and software solutions are used. In one embodiment, the reference signal and the detection signals are matched such that the modulation signal interference is removed. In some embodiments, one or two power detectors and a cross-correlator are used. In yet another embodiment, two detection measurement paths are used to obtain the reflection coefficient. In one embodiment, fractional timing offset is estimated to obtain the reflection coefficient.
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公开(公告)号：US20170331503A1
公开(公告)日：2017-11-16
申请号：US15662728
申请日：2017-07-28
Applicant: MEDIATEK INC.
Inventor： Ming-Chou Wu , Dimitris Nalbantis , Qiang Zhou , Bernard Mark Tenbroek , Ting-Hsuan Kuo
CPC classification number: H04B1/0475 , G01R27/06 , H04B1/0458 , H04B17/103 , H04B17/12 , H04B17/19 , H04L27/12
Abstract: Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal. In one embodiment, a data selector is used to pass only signals above a magnitude threshold. In another embodiment, a modified phase unwrap algorithm stores an unwrapping correction for subsequent samples and updates the stored unwrapping correction upon processing of each sample processed. In another novel aspect, mixed hardware and software solutions are used. In one embodiment, the reference signal and the detection signals are matched such that the modulation signal interference is removed. In some embodiments, one or two power detectors and a cross-correlator are used. In yet another embodiment, two detection measurement paths are used to obtain the reflection coefficient. In one embodiment, fractional timing offset is estimated to obtain the reflection coefficient.
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公开(公告)号：US09762267B2
公开(公告)日：2017-09-12
申请号：US15002089
申请日：2016-01-20
Applicant: MEDIATEK INC.
Inventor： Ming-Chou Wu , Dimitris Nalbantis , Qiang Zhou , Bernard Mark Tenbroek , Ting-Hsuan Kuo
CPC classification number: H04B1/0475 , G01R27/06 , H04B1/0458 , H04B17/103 , H04B17/12 , H04B17/19 , H04L27/12
Abstract: Methods and apparatus are provided for detection path design for reflection coefficient estimation. In one novel aspect, a hardware-based phase estimator estimates a phase shift between the forward path signal and the reverse path signal. In one embodiment, a data selector is used to pass only signals above a magnitude threshold. In another embodiment, a modified phase unwrap algorithm stores an unwrapping correction for subsequent samples and updates the stored unwrapping correction upon processing of each sample processed. In another novel aspect, mixed hardware and software solutions are used. In one embodiment, the reference signal and the detection signals are matched such that the modulation signal interference is removed. In some embodiments, one or two power detectors and a cross-correlator are used. In yet another embodiment, two detection measurement paths are used to obtain the reflection coefficient. In one embodiment, fractional timing offset is estimated to obtain the reflection coefficient.
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