公开(公告)号：US09490855B1

公开(公告)日：2016-11-08

申请号：US14841798

申请日：2015-09-01

Applicant: QUALCOMM Incorporated

Inventor： Roberto Rimini ,  Nicholas Michael Carbone ,  Taesang Yoo ,  Muhammad Abdelghaffar ,  Sung Hwang ,  Wooseok Nam

IPC: H03D1/04 ,  H03D1/06 ,  H03K5/01 ,  H03K6/04 ,  H04B1/10 ,  H04L1/00 ,  H04L25/08 ,  H04B17/336 ,  H04L12/26 ,  H04L25/03

CPC classification number: H04B1/1036 ,  H04B1/005 ,  H04B1/525 ,  H04B17/336 ,  H04L25/03006 ,  H04L43/16

Abstract: Embodiments include systems and methods for managing an adaptive interference filter performed by a device processor of a mobile communication device. A device processor may determine whether a transmission power from the mobile communication device is greater than or equal to a transmit power threshold. The device processor may determine whether a ratio of interference in a received signal to a level of the received signal including noise (interference ratio) is greater than or equal to an interference ratio threshold in response to determining that the transmission power is greater than or equal to the transmit power threshold. The device processor may perform interference cancellation with the adaptive interference filter in response to determining that the interference ratio is greater than or equal to the interference ratio threshold. In some embodiments the adaptive interference filter may be a non-linear interference cancellation filter.

Abstract translation: 实施例包括用于管理由移动通信设备的设备处理器执行的自适应干扰滤波器的系统和方法。 设备处理器可以确定来自移动通信设备的传输功率是否大于或等于发射功率阈值。 设备处理器可以响应于确定发射功率大于或等于，确定接收信号中的干扰比与包括噪声（干扰比）的接收信号的电平是否大于或等于干扰比阈值 到发射功率阈值。 响应于确定干扰比大于或等于干扰比阈值，设备处理器可以利用自适应干扰滤波器执行干扰消除。 在一些实施例中，自适应干扰滤波器可以是非线性干扰消除滤波器。

公开(公告)号：US10084563B2

公开(公告)日：2018-09-25

申请号：US15661256

申请日：2017-07-27

Applicant: QUALCOMM INCORPORATED

Inventor： Seyong Park ,  Muhammad Abdelghaffar ,  Wei Zeng ,  Jing Jiang ,  Joseph Binamira Soriaga ,  Tingfang Ji

IPC: H04B7/10 ,  H04J11/00 ,  H04L25/03 ,  H04L27/26

CPC classification number: H04J11/0023 ,  H04L25/03159 ,  H04L25/03828 ,  H04L25/03834 ,  H04L27/2634 ,  H04L2025/03414

Abstract: Waveforms may be shaped in a wireless communications device by processing head tones of a multi-tone carrier using a head tone waveform shaping characteristic to provide a first sub-symbol, processing tail tones of the multi-tone carrier using a tail tone waveform shaping characteristic to provide a second sub-symbol, and processing center tones of the multi-tone carrier using a center tone waveform shaping characteristic to provide a third sub-symbol. The first, second, and third waveform shaping characteristics may be different from each other, i.e., the waveform shaping may be asymmetric. The first, second, and third sub-symbols may be combined to provide an output symbol.