公开(公告)号：US20140269985A1

公开(公告)日：2014-09-18

申请号：US13828989

申请日：2013-03-14

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： Haim Primo ,  Manish J. Manglani ,  Yosef Stein

IPC: H04B1/04

CPC classification number: H04B1/0475 ,  H03D7/165 ,  H03D2200/0043 ,  H04L25/061 ,  H04L27/364 ,  H04L27/366

Abstract: Apparatus and methods for estimating a direct current offset in an upconverter are disclosed. Samples of a first signal are received. Values of a compensation signal are retrieved. For example, the compensation signal can be a component in a modified baseband signal, wherein the modified baseband signal is upconverted, downconverted, and filtered to generate the first signal. An estimate of a first DC offset induced by an upconverter is generated based at least partly on at least two selected samples of the first signal and corresponding values of the compensation signal.

Abstract translation: 公开了用于估计上变频器中的直流偏移的装置和方法。 接收第一信号的样本。 检索补偿信号的值。 例如，补偿信号可以是修改的基带信号中的分量，其中修改的基带信号被上变频，下变频和滤波以产生第一信号。 至少部分地基于第一信号的至少两个选定样本和补偿信号的对应值来生成由上变频器引起的第一DC偏移的估计。

公开(公告)号：US10211662B2

公开(公告)日：2019-02-19

申请号：US14461003

申请日：2014-08-15

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： Yosef Stein ,  Roman Trogan ,  Haim Primo

IPC: H02J50/23 ,  H02J7/02 ,  H04W4/70 ,  H02J50/20 ,  H04W16/28 ,  H04W52/04 ,  H04B5/00 ,  H04B7/06 ,  H04W88/16 ,  H04W84/18 ,  H04W64/00

Abstract: A wireless charging network system is disclosed that includes wirelessly charged sensor nodes. The wireless network system can include a gateway node configured to aggregate data from sensor nodes within a coverage area of the gateway node. The gateway node is further configured to wirelessly transmit power to the sensor nodes using a beamformed signal, wherein the gateway node adjusts the beamformed signal to maximize wireless power transfer to sensor nodes within each sector of the coverage area. Location information can be used to adjust the beamformed signal. For example, in various embodiments, the gateway node includes a beamformer sector profile table that defines channel adaptive beam profiles for the beamformed signal for each sector of the coverage area. The gateway node can use location information to define the beam profiles.

公开(公告)号：US20160049824A1

公开(公告)日：2016-02-18

申请号：US14461003

申请日：2014-08-15

Applicant: ANALOG DEVICES TECHNOLOGY

Inventor： Yosef Stein ,  Roman Trogan ,  Haim Primo

IPC: H02J7/02 ,  H04W72/04 ,  H04W4/00

CPC classification number: H02J7/025 ,  H02J50/20 ,  H02J50/23 ,  H02J50/90 ,  H04B5/0037 ,  H04B7/0617 ,  H04W4/70 ,  H04W16/28 ,  H04W52/04 ,  H04W64/00 ,  H04W84/18 ,  H04W88/16

Abstract: A wireless charging network system is disclosed that includes wirelessly charged sensor nodes. The wireless network system can include a gateway node configured to aggregate data from sensor nodes within a coverage area of the gateway node. The gateway node is further configured to wirelessly transmit power to the sensor nodes using a beamformed signal, wherein the gateway node adjusts the beamformed signal to maximize wireless power transfer to sensor nodes within each sector of the coverage area. Location information can be used to adjust the beamformed signal. For example, in various embodiments, the gateway node includes a beamformer sector profile table that defines channel adaptive beam profiles for the beamformed signal for each sector of the coverage area. The gateway node can use location information to define the beam profiles.

Abstract translation: 公开了一种包括无线充电传感器节点的无线充电网络系统。 无线网络系统可以包括被配置为从网关节点的覆盖区域内的传感器节点聚合数据的网关节点。 网关节点还被配置为使用波束形成的信号将功率无线传输到传感器节点，其中网关节点调整波束形成的信号以最大化对覆盖区域的每个扇区内的传感器节点的无线功率传输。 位置信息可用于调整波束形成信号。 例如，在各种实施例中，网关节点包括波束形成器扇区轮廓表，其为覆盖区域的每个扇区定义用于波束形成信号的信道自适应波束分布。 网关节点可以使用位置信息来定义波束轮廓。

公开(公告)号：US20140270018A1

公开(公告)日：2014-09-18

申请号：US13844759

申请日：2013-03-15

Applicant: Analog devices Technology

Inventor： Haim Primo ,  Yosef Stein

IPC: H04L25/03

CPC classification number: H04L25/03006 ,  H03D3/009 ,  H03D7/165 ,  H03D2200/0054 ,  H04B1/30 ,  H04L27/3863

Abstract: An electrical circuit includes a local oscillator configured to generate a first reference signal and a second reference signal having a predetermined phase shift with the first reference signal, an I-channel mixer configured to inject the first reference signal to an incoming signal and generate a first output, a compensation mixer configured to multiply the first output with a constant factor to generate a second output, a first low pass filter configured to approximately attenuate frequencies in the second output to generate a third output, and a first correcting filter configured to filter the third output to generate a fourth output. The first correcting filter is configured to reduce a channel impulse response mismatch between the first low pass filter and a second low pass filter, which is configured to attenuate frequencies in a Q-channel of the incoming signal. In specific embodiments, the phase shift includes 45°.

Abstract translation: 电路包括配置成产生第一参考信号的本地振荡器和具有与第一参考信号相关的预定相移的第二参考信号，配置为将第一参考信号注入到输入信号并产生第一参考信号的I信道混合器 输出，配置为将第一输出与常数因子相乘以产生第二输出的补偿混合器，被配置为近似地衰减第二输出中的频率以产生第三输出的第一低通滤波器，以及第一校正滤波器， 第三输出产生第四输出。 第一校正滤波器被配置为减少第一低通滤波器和第二低通滤波器之间的信道脉冲响应失配，其被配置为衰减输入信号的Q信道中的频率。 在具体实施例中，相移包括45°。

公开(公告)号：US20150131705A1

公开(公告)日：2015-05-14

申请号：US14213561

申请日：2014-03-14

Applicant: Analog Devices Technology

Inventor： Haim Primo ,  Yosef Stein ,  Oz Gabai

IPC: H04B1/707

CPC classification number: H04B1/707

Abstract: A modulation scheme for long range transceiver utilizing a processing scheme in combination with a Hadamard transform is disclosed. The processing scheme can correspond to an industry standard or to other processing schemes. An input signal is parallelized through serial to parallel conversion. The processed parallel signals are orthogonalized using a Hadamard transform to allow multiple channel signals with increased throughput. Accordingly, the long range modulation scheme of this invention can achieve high efficiency and increased throughput while meeting performance goals of long range signal transmission.

Abstract translation: 公开了一种使用与Hadamard变换组合的处理方案的长距离收发机的调制方案。 处理方案可以对应于行业标准或其他处理方案。 输入信号通过串行到并行转换并行化。 使用Hadamard变换使处理的并行信号正交化，以允许具有增加的吞吐量的多个信道信号。 因此，本发明的长距离调制方案可以在满足长距离信号传输的性能目标的同时实现高效率和增加的吞吐量。

公开(公告)号：US08948326B2

公开(公告)日：2015-02-03

申请号：US13844759

申请日：2013-03-15

Applicant: Analog Devices Technology

Inventor： Haim Primo ,  Yosef Stein

IPC: H04B14/06 ,  H04L25/03 ,  H03D3/00 ,  H03D7/16 ,  H04L27/38

CPC classification number: H04L25/03006 ,  H03D3/009 ,  H03D7/165 ,  H03D2200/0054 ,  H04B1/30 ,  H04L27/3863

Abstract: An electrical circuit includes a local oscillator configured to generate a first reference signal and a second reference signal having a predetermined phase shift with the first reference signal, an I-channel mixer configured to inject the first reference signal to an incoming signal and generate a first output, a compensation mixer configured to multiply the first output with a constant factor to generate a second output, a first low pass filter configured to approximately attenuate frequencies in the second output to generate a third output, and a first correcting filter configured to filter the third output to generate a fourth output. The first correcting filter is configured to reduce a channel impulse response mismatch between the first low pass filter and a second low pass filter, which is configured to attenuate frequencies in a Q-channel of the incoming signal. In specific embodiments, the phase shift includes 45°.

Abstract translation: 电路包括配置成产生第一参考信号的本地振荡器和具有与第一参考信号相关的预定相移的第二参考信号，配置为将第一参考信号注入到输入信号并产生第一参考信号的I信道混合器 输出，配置为将第一输出与常数因子相乘以产生第二输出的补偿混合器，被配置为近似地衰减第二输出中的频率以产生第三输出的第一低通滤波器，以及第一校正滤波器， 第三输出产生第四输出。 第一校正滤波器被配置为减少第一低通滤波器和第二低通滤波器之间的信道脉冲响应失配，其被配置为衰减输入信号的Q信道中的频率。 在具体实施例中，相移包括45°。