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91. 发明申请

US20040248519A1 Data transmission method, system and network element 审中-公开
标题翻译：数据传输方式，系统和网元
公开(公告)号：US20040248519A1
公开(公告)日：2004-12-09
申请号：US10620764
申请日：2003-07-17
发明人： Kari Niemela
IPC分类号： H04Q007/34 , H04Q007/20
CPC分类号： H04B7/015 , H04B7/01
摘要： A data transmission system compensates Doppler shift in a telecommunication system in which system at least one user terminal is moving in relation to a network element. The system includes means for measuring a received uplink signal, and means for estimating the amount of Doppler frequency compensation for at least one downlink signal related to the user terminal on the basis of the measured received uplink signal. Means are provided for compensating the Doppler shift for at least one downlink signal related to the user terminal by shifting the frequency of the signal according to the estimated amount of Doppler frequency compensation.
摘要翻译：数据传输系统补偿在至少一个用户终端相对于网络元件移动的系统中的电信系统中的多普勒频移。该系统包括用于测量接收到的上行链路信号的装置，以及用于基于测量的接收到的上行链路信号估计与用户终端相关的至少一个下行链路信号的多普勒频率补偿量的装置。提供了用于通过根据估计的多普勒频率补偿量移位信号的频率来补偿与用户终端相关的至少一个下行链路信号的多普勒频移的装置。

92. 发明授权

US5740256A Adaptive noise cancelling arrangement, a noise reduction system and a transceiver 失效
标题翻译：自适应噪声消除装置，降噪系统和收发器
公开(公告)号：US5740256A
公开(公告)日：1998-04-14
申请号：US762682
申请日：1996-12-11
申请人： Paulo M. Castello Da Costa , Cornelis P. Janse , Patrick A. A. Timmermans
发明人： Paulo M. Castello Da Costa , Cornelis P. Janse , Patrick A. A. Timmermans
IPC分类号： G10K11/178 , H04B7/015 , H04B15/00 , H04R3/00 , H04R29/00
CPC分类号： H04B7/015 , H04R3/005 , H04R2430/20 , H04R29/005
摘要： A known cross-coupled adaptive noise cancelling arrangement uses an adaptive noise filter and an adaptive cross-talk filter in a feedback loop for cancelling correlated noise at a primary signal input and reference input. This known cross-coupled ANC does not operate satisfactorily, particularly not for acoustic noise cancellation. This leads to reverberant-like sound signals, in particular in a typical office room with remote noise sources. A different configuration of a cross-coupled adaptive noise cancelling arrangement gives rise to a better performance. The adaptive cross-talk filter is now split into a pre-filter section and an adaptive filter section, the sections using different input signals. The pre-filter section estimates the desired signal from the input signal of the noise cancelling arrangement, and the adaptive filter section has its input coupled to the output of the noise cancelling arrangement, a delay section being provided between the input and the output of the noise cancelling arrangement. In an embodiment, the pre-filter section and the adaptive filter section are separate filters.
摘要翻译：已知的交叉耦合自适应噪声消除装置在反馈环路中使用自适应噪声滤波器和自适应串扰滤波器来消除主信号输入和参考输入处的相关噪声。这种已知的交叉耦合ANC不能令人满意地运行，特别是不用于声学噪声消除。这导致类似混响的声音信号，特别是在具有远程噪声源的典型办公室中。交叉耦合自适应噪声消除装置的不同配置产生更好的性能。自适应串扰滤波器现在分为预滤波器部分和自适应滤波器部分，这些部分使用不同的输入信号。预滤波器部分从噪声消除装置的输入信号估计期望的信号，并且自适应滤波器部分的输入耦合到噪声消除装置的输出，延迟部分设置在输入和输出之间降噪布置。在一个实施例中，预滤波器部分和自适应滤波器部分是分离的滤波器。

93. 发明授权

US5295136A Method of performing convergence in a, least mean square, adaptive filter, echo canceller 失效
标题翻译：在最小均方，自适应滤波器，回波消除器中执行收敛的方法
公开(公告)号：US5295136A
公开(公告)日：1994-03-15
申请号：US867555
申请日：1992-04-13
申请人： James P. Ashley , Quoc Nguyen
发明人： James P. Ashley , Quoc Nguyen
IPC分类号： H04B3/23 , H04B7/015
CPC分类号： H04B7/015
摘要： A method is described of decreasing convergence time in an adaptive echo canceller. The method includes the step of locating a primary echo within a filter vector based upon relative tap values within the filter vector. The filter vector is then narrowed, based upon the located taps. An estimated error is determined based, in part, upon the narrowed filter vector. An updated filter vector is produced based, in part, upon the estimated error.
摘要翻译：描述了在自适应回波消除器中减少收敛时间的方法。该方法包括基于滤波器向量内的相对抽头值将滤波器向量中的主回波定位的步骤。基于定位的抽头，滤波器向量变窄。部分地基于变窄的滤波器向量来确定估计的误差。部分地基于估计的误差产生更新的滤波器向量。

94. 发明授权

US4330764A Multipath fade equalizer 失效
标题翻译：多路径衰落均衡器
公开(公告)号：US4330764A
公开(公告)日：1982-05-18
申请号：US158404
申请日：1980-06-11
申请人： Hotze Miedema
发明人： Hotze Miedema
IPC分类号： H04B3/06 , H04B7/015 , H03H11/06
CPC分类号： H04B7/015
摘要： An adaptive multipath fade equalizer is disclosed comprising differencing means (24) for forming a difference between an input equal to said equalizer and a component of the equalizer output signal and a feedback loop (21) for coupling said component of output signal to the differencing means. The feedback loop includes a fixed delay T (22), a variable attenuator (23) and a variable phase shifter (25). A phase control network (30) and an attenuation control network (31) compare selected portions of the frequency spectrum of the signal and adjust the variable controls to minimize the effects of multipath fades upon the signal. It is an advantage of the equalizer that it automatically adjusts for changes in the frequency and depth of the fade notch.
摘要翻译：公开了一种自适应多径衰落均衡器，包括用于形成等于所述均衡器的输入和均衡器输出信号的分量之间的差的差分装置（24）和用于将输出信号的分量耦合到差分装置的反馈回路（21）。反馈回路包括固定延迟T（22），可变衰减器（23）和可变移相器（25）。相位控制网络（30）和衰减控制网络（31）对信号的频谱的选定部分进行比较，并调整可变控制以最小化对信号的多路径衰落的影响。均衡器的优点在于它可以自动调整渐变凹口频率和深度的变化。

95. 发明授权

US3466547A Method for reducing the distortion of multipath transmissions 失效
标题翻译：减少多路传输失真的方法
公开(公告)号：US3466547A
公开(公告)日：1969-09-09
申请号：US3466547D
申请日：1967-04-18
申请人： BELL TELEPHONE LABOR INC
发明人： FLANAGAN JAMES L , GOLDEN ROGER M , SCHROEDER MANFRED R
IPC分类号： H04B7/015 , H04B1/10 , H04B1/62
CPC分类号： H04B7/015

96. 发明授权

US11973543B2 Communication device and method for echo signals management 有权
公开(公告)号：US11973543B2
公开(公告)日：2024-04-30
申请号：US18165207
申请日：2023-02-06
申请人： Movandi Corporation
发明人： Ahmadreza Rofougaran , Maryam Rofougaran , Sam Gharavi , Qiyue “Jack” Zou , Alan Wang , Farid Shirinfar , Mike Boers
IPC分类号： H04B7/015 , H04B7/155 , H04B17/318 , H04W24/10 , H04W72/044 , H04W76/15
CPC分类号： H04B7/015 , H04B7/15571 , H04B17/318 , H04W24/10 , H04W72/046 , H04W76/15
摘要： A communication device includes a service transmitter (Tx) configured to transmit a second beam of RF signals in a first radiation pattern to a user equipment (UE). The communication device further includes a control circuitry configured to: detect an amount and direction of echo signals at the donor receiver Rx corresponding to reflected RF signals in an environment surrounding a communication device; determine an installation location for the communication device based on echo signal measurements at one or more different locations; adjust polarization of the second beam of RF signals to minimize the echo signals at the donor receiver Rx based on the echo signal; and generate a second radiation pattern for at least the second beam of RF signals based on the amount and direction of the echo signals in the environment detected at the donor receiver Rx.

97. 发明公开

US20230198577A1 METHOD AND APPARATUS FOR ELIMINATING SAME-FREQUENCY AND ADJACENT-FREQUENCY INTERFERENCE IN ANALOG DOMAIN 审中-公开
公开(公告)号：US20230198577A1
公开(公告)日：2023-06-22
申请号：US17905992
申请日：2021-06-01
申请人： ANYWAVE COMMUNICATION TECHNOLOGIES CO., LTD.
发明人： Jingsong XIA , Wenhua LI , Bowei SONG , Yingying FAN
IPC分类号： H04B7/015 , H04B1/10
CPC分类号： H04B7/015 , H04B1/1027
摘要： A method and device for eliminating co-frequency and adjacent frequency interference in an analog domain, in the case that a wireless communication device with a receiving antenna, that is, a transmitting point of a master device, detects and judges the presence of co-frequency and/or adjacent frequency interference signal sources on site, collects the reference signals of the same frequency and/or adjacent frequency from the interference signal sources by means of cable direct connection or adding an antenna, and obtains the analog signals of the same frequency and/or adjacent frequency interference after interference signal recovery processing, then, in the analog domain, the received signal received by the receiving antenna of the master device is directly subtracted from the interference analog signal of the same frequency and/or adjacent frequency to complete the analog interference cancellation process, so as to obtain the interference canceled RF analog signal.

98. 发明授权

US09800211B2 Hot carrier injection compensation 有权
公开(公告)号：US09800211B2
公开(公告)日：2017-10-24
申请号：US15188851
申请日：2016-06-21
申请人： Peregrine Semiconductor Corporation
发明人： Dan William Nobbe , Chris Olson , David Kovac
IPC分类号： H03F3/04 , H03F1/14 , H03F1/30 , H04B1/44 , H04B17/12 , H04B7/015 , H04B7/02 , H04B15/00 , H04B1/18 , H03F3/193 , H03F3/21 , H04B1/525 , H03F3/195 , H03F3/213 , H04L27/20
CPC分类号： H03F1/301 , H03F1/30 , H03F3/04 , H03F3/193 , H03F3/195 , H03F3/21 , H03F3/213 , H03F2200/18 , H03F2200/451 , H03F2200/456 , H03F2200/471 , H03F2200/555 , H04B1/18 , H04B1/44 , H04B1/525 , H04B7/015 , H04B7/02 , H04B15/005 , H04B17/12 , H04L27/20
摘要： Methods and devices are described for compensating an effect of aging due to, for example, hot carrier injection, or other device degradation mechanisms affecting a current flow, in an RF amplifier. In one case a replica circuit is used to sense the aging of the RF amplifier and adjust a biasing of the RF amplifier accordingly.

99. 发明授权

US09674847B2 Device to-device communication 有权
公开(公告)号：US09674847B2
公开(公告)日：2017-06-06
申请号：US14440429
申请日：2013-12-03
申请人： Intel Corporation
发明人： Umesh Phuyal , Youn Hyoung Heo , Hyung-Nam Choi , Hong He
IPC分类号： H04W72/08 , H04B3/23 , H04L25/00 , H04W8/00 , H04L5/00 , H04W76/04 , H04W76/02 , H04W72/04 , H04L5/14 , H04B7/015 , H04L29/08 , H04W48/08 , H04W56/00
CPC分类号： H04W72/085 , H04B3/232 , H04B7/015 , H04L5/0048 , H04L5/14 , H04L25/00 , H04L25/03866 , H04L67/1068 , H04W8/005 , H04W48/08 , H04W56/00 , H04W72/0413 , H04W72/082 , H04W76/14 , H04W76/27
摘要： An apparatus is provided for a device-to-device, D2D, communication enabled user equipment, UE, comprising a processing section to determine, based on a signal received from another UE, a channel condition between the UE and the another UE; the UE to report the determined channel condition to an evolved Node B, eNB. The processing section is to initiate D2D communication based on a communication from the eNB, received in response to the report. Also, an apparatus is provided for a network element, comprising An input to receive a describing a channel condition between a first UE and a second UE; a processor to determine, based on the channel condition, whether or not D2D communication between the first UE and the second UE is to be enabled; and an output to output a result of the determination when the processor determines D2D communication is to be enabled. Related methods are also provided.

100. 发明授权

US09503249B2 Full duplex wireless communications on devices with limited echo cancellation capabilities 有权
标题翻译：具有有限回声消除功能的设备上的全双工无线通信
公开(公告)号：US09503249B2
公开(公告)日：2016-11-22
申请号：US14335396
申请日：2014-07-18
申请人： Intel IP Corporation
发明人： Thomas A. Tetzlaff , Eldad Perahia , Robert J. Stacey
IPC分类号： H04B7/01 , H04L1/16 , H04L5/14 , H04L1/00 , H04B7/015
CPC分类号： H04L5/1461 , H04B3/20 , H04B7/015 , H04L1/0003 , H04L1/0009 , H04L1/0018 , H04L1/1635 , H04M9/082
摘要： Disclosed in some examples are methods, systems, and machine readable mediums which allow for wireless devices with limited echo cancellation capabilities to participate in full-duplex communications. In some examples, by carefully controlling transmission powers and the modulation and coding schemes (MCS) used in the transmissions, both devices can engage in full-duplex communication.
摘要翻译：在一些示例中公开的是允许具有有限回声消除能力的无线设备参与全双工通信的方法，系统和机器可读介质。在一些示例中，通过仔细地控制传输功率和在传输中使用的调制和编码方案（MCS），两个设备都可以进行全双工通信。

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