公开(公告)号：US10261193B2

公开(公告)日：2019-04-16

申请号：US15151796

申请日：2016-05-11

Applicant: Intel IP Corporation

Inventor： Rainer Dirk Kreienkamp ,  Junlin Yan ,  Harald Doppke ,  Markus Hammes

IPC: G01S19/23

Abstract: A method for determining an image rejection characteristic of a receiver within a transceiver is provided. The transceiver uses a common local oscillator. The method includes generating a test signal having a spectral peak and generating a local oscillator signal comprising a frequency with an offset from a center frequency of the spectral peak. Further, the method includes down-mixing the test signal in the receiver using the local oscillator signal to generate a down-mixed signal. The method further includes calculating a first value of a signal characteristic of the down-mixed signal in a first frequency range corresponding to a desired signal component of the down-mixed signal and calculating a second value of the signal characteristic of the down-mixed signal in a second frequency range corresponding to an undesired signal component of the down-mixed signal. Further, the method includes comparing the first value and the second value to generate the image rejection characteristic.

公开(公告)号：US20160377728A1

公开(公告)日：2016-12-29

申请号：US15151796

申请日：2016-05-11

Applicant: Intel IP Corporation

Inventor： Rainer Dirk Kreienkamp ,  Junlin Yan ,  Harald Doppke ,  Markus Hammes

IPC: G01S19/23

CPC classification number: G01S19/23

Abstract: A method for determining an image rejection characteristic of a receiver within a transceiver is provided. The transceiver uses a common local oscillator. The method includes generating a test signal having a spectral peak and generating a local oscillator signal comprising a frequency with an offset from a center frequency of the spectral peak. Further, the method includes down-mixing the test signal in the receiver using the local oscillator signal to generate a down-mixed signal. The method further includes calculating a first value of a signal characteristic of the down-mixed signal in a first frequency range corresponding to a desired signal component of the down-mixed signal and calculating a second value of the signal characteristic of the down-mixed signal in a second frequency range corresponding to an undesired signal component of the down-mixed signal. Further, the method includes comparing the first value and the second value to generate the image rejection characteristic.

Abstract translation: 提供了一种用于确定收发器内的接收机的镜像抑制特性的方法。 收发器使用公共本地振荡器。 该方法包括产生具有频谱峰值的测试信号并产生包括具有与频谱峰值的中心频率偏移的频率的本地振荡器信号。 此外，该方法包括使用本地振荡器信号对接收机中的测试信号进行下混频以产生下混合信号。 该方法还包括：在与下混频信号的期望信号分量对应的第一频率范围内计算下混合信号的信号特性的第一值，并计算下混频信号的信号特性的第二值 在对应于下混合信号的不期望信号分量的第二频率范围内。 此外，该方法包括比较第一值和第二值以产生图像抑制特性。

公开(公告)号：US11251913B2

公开(公告)日：2022-02-15

申请号：US16641243

申请日：2017-09-28

Applicant: Intel IP Corporation

Inventor： Rainer Dirk Kreienkamp ,  Stefan Kaehlert ,  Giuseppe Li Puma ,  Markus Hammes ,  Thorsten Clevorn ,  Jan Ellenbeck ,  Tobias Scholand ,  Matthias Malkowski ,  Narayan Vishwanathan ,  Chandra Gupta ,  Markus Schlamann ,  Romeo Lopez Soto ,  Lijun Zhang

IPC: H04L5/00 ,  H04L1/00

Abstract: A method for controlling a bandwidth used for processing a baseband transmit signal by a transmit path of a transmitter is provided. The method includes generating a first comparison result by comparing, to a threshold value, a first number of physical resource blocks allocated to the transmitter for a first transmission time interval. Further, the method includes generating a second comparison result by comparing, to the threshold value, a second number of physical resource blocks allocated to the transmitter for a subsequent second transmission time interval. The method additionally includes adjusting the bandwidth based on the first and the second comparison results.

公开(公告)号：US20200228264A1

公开(公告)日：2020-07-16

申请号：US16641243

申请日：2017-09-28

Applicant: Intel IP Corporation

Inventor： Rainer Dirk Kreienkamp ,  Stefan Kaehlert ,  Giuseppe Li Puma ,  Markus Hammes ,  Thorsten Clevorn ,  Jan Ellenbeck ,  Tobias Scholand ,  Matthias Malkowski ,  Narayan Vishwanathan ,  Chandra Gupta ,  Markus Schlamann ,  Romeo Lopez Soto ,  Lijun Zhang

IPC: H04L5/00 ,  H04L1/00

Abstract: A method for controlling a bandwidth used for processing a baseband transmit signal by a transmit path of a transmitter is provided. The method includes generating a first comparison result by comparing, to a threshold value, a first number of physical resource blocks allocated to the transmitter for a first transmission time interval. Further, the method includes generating a second comparison result by comparing, to the threshold value, a second number of physical resource blocks allocated to the transmitter for a subsequent second transmission time interval. The method additionally includes adjusting the bandwidth based on the first and the second comparison results.