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公开(公告)号：US09722713B2
公开(公告)日：2017-08-01
申请号：US14751579
申请日：2015-06-26
Applicant: INTEL IP CORPORATION
Inventor： Nebil Tanzi , Gregory Chance
Abstract: An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
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公开(公告)号：US09602149B1
公开(公告)日：2017-03-21
申请号：US14976647
申请日：2015-12-21
Applicant: Intel IP Corporation
Inventor： Nebil Tanzi , Gregory Chance
IPC: H04B1/38 , H04B1/04 , H04B17/318 , H04B1/12
CPC classification number: H04B17/318 , H03H7/463 , H03H7/48 , H04B1/525 , H04B17/14 , H04L5/1461 , H04W52/24 , H04W52/243 , H04W52/245
Abstract: An apparatus for interference cancellation in a wireless communication system, includes a cancellation unit configured to receive a transmit (Tx) signal from an output port of a power amplifier and a receive (Rx) signal from an antenna, and generate a cancellation of a primary portion of the Tx signal from the Rx signal at an output thereof, leaving a residual portion as a residual Tx signal, wherein the output of the cancellation unit is coupled to an Rx input port of a transceiver. The apparatus further includes a compensation control unit configured to modify one or more signals within the cancellation unit, based on the residual Tx signal at the output of the cancellation unit.
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公开(公告)号：US20160380604A1
公开(公告)日：2016-12-29
申请号：US14752811
申请日：2015-06-26
Applicant: INTEL IP CORPORATION
Inventor： Gregory Chance , Nebil Tanzi
CPC classification number: H03H2/005 , H01F19/08 , H01F2019/085 , H03H11/04 , H03H11/344
Abstract: A tunable transformer based duplexer (TTBD) comprising a first antenna port and a second antenna port. The TTBD further comprises a first winding coupled between a transmitting port and the first antenna port, wherein the first antenna port is configured to receive a first signal; a second winding coupled between the transmitting port and the second antenna port, wherein the second antenna port is configured to receive a second signal. Further, the TTBD comprises a receiving amplifier comprising at least one input and at least one output. The TTBD also comprises a third winding comprising a first terminal and a second terminal. The third winding comprises a first inductance and is coupled to the at least one output of the amplifier circuit. A first coupling is formed between the first winding and the third winding and a second coupling is formed between the second winding and the third winding. The TTBD further comprises a tunable capacitance coupled between the first terminal and the second terminal of the third winding. The tunable capacitance and the first inductance together form a band-pass filter.
Abstract translation: 一种可调谐变压器双工器（TTBD），包括第一天线端口和第二天线端口。 TTBD还包括耦合在发射端口和第一天线端口之间的第一绕组，其中第一天线端口被配置为接收第一信号; 耦合在所述发射端口和所述第二天线端口之间的第二绕组，其中所述第二天线端口被配置为接收第二信号。 此外，TTBD包括包括至少一个输入和至少一个输出的接收放大器。 TTBD还包括第三绕组，其包括第一端子和第二端子。 第三绕组包括第一电感并耦合到放大器电路的至少一个输出端。 在第一绕组和第三绕组之间形成第一耦合，并且在第二绕组和第三绕组之间形成第二耦合。 TTBD还包括耦合在第三绕组的第一端子和第二端子之间的可调谐电容。 可调电容和第一电感一起形成带通滤波器。
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Patent Agency Ranking
公开(公告)号：US20210021272A1
公开(公告)日：2021-01-21
申请号：US16766921
申请日：2018-03-30
Applicant: Intel IP Corporation
Inventor： Niranjan Karandikar , Wayne Ballantyne , Gregory Chance , Simon Hughes , Daniel Schwartz , Nebil Tanzi
Abstract: Techniques are provided for reducing or mitigating phase noise of a digital phase lock loop or the system depending on the digital phase lock loop. In an example, a multiple-mode digital phase lock loop can include a digital phase lock loop (DPLL), multiple frequency scalers configured to receive a reference clock, and a multiplexer configured to receive a mode command signal and to couple an output of one of the multiple frequency scalers to an input of the DPLL in response to a state of the mode command signal.
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公开(公告)号：US10171126B2
公开(公告)日：2019-01-01
申请号：US14841034
申请日：2015-08-31
Applicant: Intel IP Corporation
Inventor： Gregory Chance , Nebil Tanzi
Abstract: Embodiments of front-end module (FEM) circuitry and a communication device are generally described herein. In some embodiments, the FEM circuitry may be configured to provide uplink (UL) multiple-input multiple-output (MIMO) signals and/or UL carrier aggregation (CA) signals for transmission by the communication device. The FEM circuitry may comprise a hybrid coupler to generate a first antenna transmit signal and a second antenna transmit signal. The FEM circuitry may further comprise one or more tunable phase shifters. In some embodiments, the phase shifters may phase-shift a first radio frequency (RF) signal and a second RF signal according to a 90 degree phase difference to generate the hybrid coupler input signals. Accordingly, the antenna transmit signals may be transmitted according to the UL-MIMO configuration.
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公开(公告)号：US20160380706A1
公开(公告)日：2016-12-29
申请号：US14751579
申请日：2015-06-26
Applicant: INTEL IP CORPORATION
Inventor： Nebil Tanzi , Gregory Chance
Abstract: An apparatus for interference cancellation in wireless communication systems configured for reception, comprises a receive signal path configured to convey an overall receive (Rx) signal comprising an Rx signal and a residual transmit (Tx) signal, from an antenna port to an Rx input port of a transceiver, and at least one cancellation path configured to receive a leakage Tx signal from the antenna port. Further, the apparatus comprises a cancellation unit configured to apply a cancellation signal to the overall Rx signal in the receive signal path and a compensation unit configured to generate the cancellation signal by modifying the leakage Tx signal in the cancellation path, based on a compensation control signal. In addition, the apparatus comprises a feedback receiver unit configured to generate the compensation control signal based on the residual Tx signal in the overall Rx signal and the cancellation signal.
Abstract translation: 一种用于配置用于接收的无线通信系统中的干扰消除装置，包括接收信号路径，其被配置为将包括Rx信号和残留发射（Tx）信号的整体接收（Rx）信号从天线端口传送到Rx输入端口 收发器，以及配置成从天线端口接收泄漏Tx信号的至少一个消除路径。 此外，该装置包括：消除单元，被配置为将接收信号施加到接收信号路径中的整个Rx信号;以及补偿单元，被配置为通过基于补偿控制修改消除路径中的泄漏Tx信号来产生消除信号 信号。 另外，该装置包括：反馈接收单元，被配置为基于整个Rx信号中的残留Tx信号和消除信号产生补偿控制信号。
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公开(公告)号：US20210067163A1
公开(公告)日：2021-03-04
申请号：US16958034
申请日：2018-03-30
Applicant: Intel IP Corporation
Inventor： Niranjan Karandikar , Mohammed Alam , Gregory Chance , Armando Cova , Michael Milyard , John J. Parkes, JR. , Ashoke Ravi , Daniel Schwartz , Dong-Jun Yang
Abstract: A wireless communication device can include an antenna configured to sense a radio frequency (RF) signal. The wireless communication device can include signal estimation circuitry configured to generate estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include multi-tone generator circuitry coupled to the signal estimation circuitry and configured to generate a composite spur cancellation signal based on the estimates of amplitude and frequency for unmodulated spurs within the RF signal. The wireless communication device can further include adder circuitry configured to subtract the spur cancellation signal from the RF signal to generate a spur cancelled signal.
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公开(公告)号：US09680671B2
公开(公告)日：2017-06-13
申请号：US14550277
申请日：2014-11-21
Applicant: Intel IP Corporation
Inventor： Peter Noest , Gregory Chance
CPC classification number: H04L25/08 , H04B1/0475 , H04B1/10 , H04B1/40 , H04B1/525
Abstract: A transceiver device 100 includes a transmit path module 110, a receive path module 120 and a compensation signal generator module 130. The transmit path module 110 generates a high frequency transmit signal 112 based on a baseband transmit signal. The receive path module 120 generates a baseband receive signal 122 based on a received high frequency receive signal 114. Further, the compensation signal generator module 130 generates a compensation signal 132 comprising at least one signal portion with a frequency equal to a frequency of an undesired signal portion of the baseband receive signal 122 caused by an undesired signal portion within the high frequency transmit signal 112 comprising a frequency equal to an integer multiple larger than 1 of a transmit frequency of the high frequency transmit signal 112.
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