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公开(公告)号：US09136914B2
公开(公告)日：2015-09-15
申请号：US12641219
申请日：2009-12-17
CPC分类号： H04B5/0056 , G06K7/0008
摘要： Exemplary embodiments are directed to wireless power transfer. Energy from a transmit antenna is coupled to internal signals on a transmitter. An impedance measurement circuit generates an impedance indication signal for indicating an impedance difference between the coupled internal signals by comparing them. A controller samples the impedance indication signal and determines digital signaling values responsive to changes in the impedance indication signal. The impedance measurement circuit measures one or more of magnitude difference of the internal signals, phase difference of the internal signals, and changes in power consumed by an amplifier coupled between the RF signal and the transmit antenna. A transmitter generates the electromagnetic field with a transmit antenna responsive to a Radio Frequency (RF) signal to create a coupling-mode region within a near field of the transmit antenna.
摘要翻译： 示例性实施例涉及无线功率传输。 来自发射天线的能量耦合到发射机上的内部信号。 阻抗测量电路通过比较它们来产生用于指示耦合的内部信号之间的阻抗差的阻抗指示信号。 控制器对阻抗指示信号进行采样，并根据阻抗指示信号的变化确定数字信号值。 阻抗测量电路测量内部信号的幅度差异，内部信号的相位差和耦合在RF信号与发射天线之间的放大器消耗的功率变化中的一个或多个。 发射机利用射频（RF）信号产生具有发射天线的电磁场，以在发射天线的近场内产生耦合模式区域。
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公开(公告)号：US20100217553A1
公开(公告)日：2010-08-26
申请号：US12641219
申请日：2009-12-17
CPC分类号： H04B5/0056 , G06K7/0008
摘要： Exemplary embodiments are directed to wireless power transfer. Energy from a transmit antenna is coupled to internal signals on a transmitter. An impedance measurement circuit generates an impedance indication signal for indicating an impedance difference between the coupled internal signals by comparing them. A controller samples the impedance indication signal and determines digital signaling values responsive to changes in the impedance indication signal. The impedance measurement circuit measures one or more of magnitude difference of the internal signals, phase difference of the internal signals, and changes in power consumed by an amplifier coupled between the RF signal and the transmit antenna. A transmitter generates the electromagnetic field with a transmit antenna responsive to a Radio Frequency (RF) signal to create a coupling-mode region within a near field of the transmit antenna.
摘要翻译： 示例性实施例涉及无线功率传输。 来自发射天线的能量耦合到发射机上的内部信号。 阻抗测量电路通过比较它们来产生用于指示耦合的内部信号之间的阻抗差的阻抗指示信号。 控制器对阻抗指示信号进行采样，并根据阻抗指示信号的变化确定数字信号值。 阻抗测量电路测量内部信号的幅度差异，内部信号的相位差和耦合在RF信号与发射天线之间的放大器消耗的功率变化中的一个或多个。 发射机利用射频（RF）信号产生具有发射天线的电磁场，以在发射天线的近场内产生耦合模式区域。
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公开(公告)号：US20130094550A1
公开(公告)日：2013-04-18
申请号：US13364065
申请日：2012-02-01
申请人： Philip D. Coan , Paul J. Draxler , Roberto Rimini , Thomas D. Marra , Gurkanwal Singh Sahota , Steven C. Ciccarelli , Shrenik Patel
发明人： Philip D. Coan , Paul J. Draxler , Roberto Rimini , Thomas D. Marra , Gurkanwal Singh Sahota , Steven C. Ciccarelli , Shrenik Patel
CPC分类号： H04L27/368 , H03F1/3247 , H03F3/195 , H03F3/245 , H03F3/68 , H03F3/72 , H03F2201/3212 , H03F2203/7221 , H03F2203/7236 , H04B7/0825
摘要： A modem is described. The modem includes a transmitter. The transmitter includes a digital pre-distortion module and a power amplifier. The modem also includes one or more selected shared receivers. The one or more selected shared receivers generate a feedback signal for the digital pre-distortion module. The modem further includes a feedback switch. The feedback switch selectively couples the one or more selected shared receivers to an output of the transmitter.
摘要翻译： 调制解调器被描述。 调制解调器包括发射机。 发射机包括数字预失真模块和功率放大器。 调制解调器还包括一个或多个选择的共享接收器。 一个或多个选择的共享接收器产生用于数字预失真模块的反馈信号。 调制解调器还包括反馈开关。 反馈开关将一个或多个选择的共享接收机选择性地耦合到发射机的输出。
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4.发明申请METHOD AND APPARATUS FOR ADAPTIVE NON-LINEAR SELF-JAMMING INTERFERENCE CANCELLATION 失效用于自适应非线性自拍干扰消除的方法和装置公开(公告)号：US20110149714A1
公开(公告)日：2011-06-23
申请号：US12973524
申请日：2010-12-20
IPC分类号： H04W74/00
CPC分类号： H04B1/525
摘要： Certain embodiments of the disclosure propose a method for cancelling co-channel interference (self-jamming) generated by nonlinearities in the radio-frequency (RF) front-end devices. The proposed method utilizes an adaptive non-linear filter to generate a distorted version of the transmitted signal. The self-jamming interference may be mitigated utilizing the distorted signal through adaptive cancellation.
摘要翻译： 本公开的某些实施例提出了一种用于消除由射频（RF）前端设备中的非线性产生的同信道干扰（自身干扰）的方法。 所提出的方法利用自适应非线性滤波器来产生发射信号的失真版本。 可以通过自适应消除利用失真信号来缓解自干扰干扰。
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公开(公告)号：US20110069749A1
公开(公告)日：2011-03-24
申请号：US12566479
申请日：2009-09-24
申请人： Aracely Forrester , Philip David Coan , Paul Draxler , Roberto Rimini , Bruce Judson , Joseph Patrick Burke
发明人： Aracely Forrester , Philip David Coan , Paul Draxler , Roberto Rimini , Bruce Judson , Joseph Patrick Burke
IPC分类号： H04L27/01
CPC分类号： H04L25/03038 , H04L25/0228 , H04L25/0242 , H04L27/366 , H04L2025/03477 , H04L2025/03617
摘要： Techniques for correcting for memory effects of a transmitter are described. In an exemplary design, a receiver obtains input samples including a desired signal transmitted by a transmitter having memory effects. The receiver performs nonlinear equalization on the input samples to obtain first equalized samples, performs linear equalization on the input samples to obtain second equalized samples, and determines output samples based on the first and second equalized samples. The nonlinear equalization corrects for the memory effects and nonlinearities of the transmitter and possibly nonlinearities and memory effects of the receiver. The receiver may jointly determine coefficients for both linear and nonlinear equalization based on an adaptive algorithm. The receiver processes (e.g., demodulates and decodes) the output samples to recover data sent in the desired signal by the transmitter.
摘要翻译： 描述用于校正发射机的记忆效应的技术。 在示例性设计中，接收机获得包括由具有记忆效应的发射机发送的期望信号的输入样本。 接收机在输入样本上执行非线性均衡以获得第一均衡样本，对输入样本执行线性均衡以获得第二均衡样本，并且基于第一和第二均衡样本确定输出样本。 非线性均衡校正了发射机的记忆效应和非线性以及接收机的可能的非线性和记忆效应。 接收机可以基于自适应算法共同确定线性和非线性均衡的系数。 接收机处理（例如，解调和解码）输出样本以恢复发射机在所需信号中发送的数据。
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公开(公告)号：US20090296666A1
公开(公告)日：2009-12-03
申请号：US12476167
申请日：2009-06-01
申请人： Roberto Rimini
发明人： Roberto Rimini
CPC分类号： H04B1/707 , H04J13/0048
摘要： A method and apparatus processes a plurality of analog signals in a transceiver with multiple receive (Rx) antennas in a wireless communication system. By appropriate combining of the analog signals of each Rx antenna, this scheme allows a reduction in the number of the front end components, for example, filters, mixers and Analog to Digital Converter (ADC) devices. Subsequently, the signals are separated digitally by virtue of their unique code. The benefits associated with this scheme are at least threefold: reduced cost, area, and power consumption of a multiple antenna terminal. Additionally, proper parameter settings increase signal to Quantization Noise Ratio (SQNR) at the ADC output.
摘要翻译： 一种方法和装置在无线通信系统中处理具有多个接收（Rx）天线的收发器中的多个模拟信号。 通过适当组合每个Rx天线的模拟信号，该方案允许减少前端组件的数量，例如滤波器，混频器和模数转换器（ADC）装置。 随后，信号通过其独特的代码被数字地分离。 与该方案相关的好处至少有三个方面：降低了多天线终端的成本，面积和功耗。 另外，正确的参数设置会增加ADC输出端的量化噪声比（SQNR）信号。
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公开(公告)号：US20070060165A1
公开(公告)日：2007-03-15
申请号：US11486513
申请日：2006-07-13
申请人： Peter Black , Rashid Attar , Ramin Rezaiifar , Parag Agashe , Mingxi Fan , Roberto Rimini , Jun Ma
发明人： Peter Black , Rashid Attar , Ramin Rezaiifar , Parag Agashe , Mingxi Fan , Roberto Rimini , Jun Ma
IPC分类号： H04Q7/20
摘要： A method and system for providing asymmetric modes of operation in multi-carrier wireless communication systems. A method may assign a long code mask (LCM) to an information channel associated with a plurality of forward link carriers to transmit data from an access network to an access terminal; and multiplex the information channel on a reverse link carrier. The information channel may include one of data source channel (DSC), data rate control (DRC) and acknowledgment (ACK) information, and the multiplexing may be code division multiplexing (CDM). The AN may instruct the AT on whether to multiplex the DSC information based on feedback from the AT. The method may further offset the ACK information on the reverse link to reduce the reverse link peak to average, CDM the information channel on an I-branch and on a Q-branch, and transmit the code division multiplexed information channel on the reverse link carrier.
摘要翻译： 一种用于在多载波无线通信系统中提供不对称操作模式的方法和系统。 方法可以将长码掩码（LCM）分配给与多个前向链路载波相关联的信息信道，以将数据从接入网络传输到接入终端; 并在反向链路载波上复用信息信道。 信息信道可以包括数据源信道（DSC），数据速率控制（DRC）和确认（ACK）信息之一，并且复用可以是码分复用（CDM）。 AN可以根据AT的反馈来指示AT是否复用DSC信息。 该方法还可以抵消反向链路上的ACK信息，以减少反向链路峰值平均，CDM在I分支和Q分支上的信道，并在反向链路载波上发送码分多路复用信息信道 。
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公开(公告)号：US08964821B2
公开(公告)日：2015-02-24
申请号：US13364065
申请日：2012-02-01
申请人： Philip D. Coan , Paul J. Draxler , Roberto Rimini , Thomas D. Marra , Gurkanwal Singh Sahota , Steven C. Ciccarelli , Shrenik Patel
发明人： Philip D. Coan , Paul J. Draxler , Roberto Rimini , Thomas D. Marra , Gurkanwal Singh Sahota , Steven C. Ciccarelli , Shrenik Patel
IPC分类号： H04B1/38 , H04L5/16 , H04L27/36 , H03F1/32 , H03F3/195 , H03F3/24 , H03F3/68 , H03F3/72 , H04B7/08
CPC分类号： H04L27/368 , H03F1/3247 , H03F3/195 , H03F3/245 , H03F3/68 , H03F3/72 , H03F2201/3212 , H03F2203/7221 , H03F2203/7236 , H04B7/0825
摘要： A modem is described. The modem includes a transmitter. The transmitter includes a digital pre-distortion module and a power amplifier. The modem also includes one or more selected shared receivers. The one or more selected shared receivers generate a feedback signal for the digital pre-distortion module. The modem further includes a feedback switch. The feedback switch selectively couples the one or more selected shared receivers to an output of the transmitter.
摘要翻译： 调制解调器被描述。 调制解调器包括发射机。 发射机包括数字预失真模块和功率放大器。 调制解调器还包括一个或多个选择的共享接收器。 一个或多个选择的共享接收器产生用于数字预失真模块的反馈信号。 调制解调器还包括反馈开关。 反馈开关将一个或多个选择的共享接收机选择性地耦合到发射机的输出。
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9.发明授权公开(公告)号：US08804871B2
公开(公告)日：2014-08-12
申请号：US13309215
申请日：2011-12-01
CPC分类号： H04J11/004 , H04B1/525 , H04L5/0023
摘要： A method and apparatus for a non-linear adaptive scheme for transmit out of band emission cancellation is provided. Embodiments disclosed herein provide a method for removing unwanted transmitter emissions from a composite received signal. The method performs the steps of: extracting the I and Q samples from a modulator output; inputting the I and Q samples to a non-linear filter; applying weights to the non-linear filter outputs, combining the non-linear filter outputs to generate a broadband emission estimate; selecting a portion of a transmit emission in a desired portion of a receive band; subtracting an output of the non-linear filter from a composite signal; and feeding back a residual error to the non-linear filter; adapting the non-linear filter iteratively.
摘要翻译： 提供一种用于发送带外发射消除的非线性自适应方案的方法和装置。 本文公开的实施例提供了用于从复合接收信号中去除不想要的发射机发射的方法。 该方法执行以下步骤：从调制器输出中提取I和Q样本; 将I和Q样本输入到非线性滤波器; 对非线性滤波器输出应用权重，组合非线性滤波器输出以产生宽带辐射估计; 在接收频带的期望部分中选择发射发射的一部分; 从复合信号中减去非线性滤波器的输出; 并向非线性滤波器反馈残余误差; 迭代地适应非线性滤波器。
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10.发明授权Method and apparatus for adaptive non-linear self-jamming interference cancellation 失效用于自适应非线性自干扰干扰消除的方法和装置公开(公告)号：US08744377B2
公开(公告)日：2014-06-03
申请号：US12973524
申请日：2010-12-20
IPC分类号： H04B1/04
CPC分类号： H04B1/525
摘要： Certain embodiments of the disclosure propose a method for cancelling co-channel interference (self-jamming) generated by nonlinearities in the radio-frequency (RF) front-end devices. The proposed method utilizes an adaptive non-linear filter to generate a distorted version of the transmitted signal. The self-jamming interference may be mitigated utilizing the distorted signal through adaptive cancellation.
摘要翻译： 本公开的某些实施例提出了一种用于消除由射频（RF）前端设备中的非线性产生的同信道干扰（自身干扰）的方法。 所提出的方法利用自适应非线性滤波器来产生发送信号的失真版本。 可以通过自适应消除利用失真信号来缓解自干扰干扰。
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