公开(公告)号：US09154969B1

公开(公告)日：2015-10-06

申请号：US13626841

申请日：2012-09-25

Applicant: MARVELL INTERNATIONAL LTD.

Inventor： Sudhir Srinivasa ,  Xiayu Zheng ,  Hongyuan Zhang ,  Rohit U. Nabar ,  Riddhi Madani ,  Atul Salhotra ,  Erik Heinke ,  Brian Bosso

IPC: G06F11/00 ,  H04J1/16 ,  H04L1/00 ,  H04L12/26 ,  H04W24/00

CPC classification number: H04W24/00 ,  H04B17/14 ,  H04L43/0852

Abstract: In a method of calibrating a wireless communication device, a first sounding packet is transmitted from the wireless communication device to a calibration station. A first channel descriptor is generated based on the first sounding packet. A second sounding packet is transmitted from the calibration station to the wireless communication device. A second channel descriptor is generated based on the second sounding packet. The first channel descriptor and the second channel descriptor are obtained at a controller. Calibration coefficients indicative of one or both of phase imbalance and amplitude imbalance between a receive radio frequency (RF) chain and a transmit RF chain at the wireless communication device are generated based on the first and the second channel descriptors. The calibration coefficients are sent from the controller to the wireless communication device.

Abstract translation: 在校准无线通信设备的方法中，第一探测分组从无线通信设备发送到校准站。 基于第一探测包生成第一信道描述符。 第二探测包从校准站发送到无线通信设备。 基于第二探测包生成第二信道描述符。 在控制器处获得第一信道描述符和第二信道描述符。 基于第一和第二信道描述符生成指示无线通信设备处的接收射频（RF）链和发射RF链之间的相位不平衡和幅度不平衡之一或两者的校准系数。 校准系数从控制器发送到无线通信设备。

公开(公告)号：US09319904B1

公开(公告)日：2016-04-19

申请号：US14875305

申请日：2015-10-05

Applicant: Marvell International Ltd.

Inventor： Sudhir Srinivasa ,  Xiayu Zheng ,  Hongyuan Zhang ,  Rohit U. Nabar ,  Riddhi Madani ,  Atul Salhotra ,  Erik Heinke ,  Brian Bosso

IPC: G06F11/00 ,  H04J1/16 ,  H04L1/00 ,  H04L12/26 ,  H04W24/02 ,  H04W84/12

CPC classification number: H04W24/00 ,  H04B17/14 ,  H04L43/0852

Abstract: A first sounding packet is transmitted from the wireless communication device to a calibration station. A first channel descriptor is generated based on the first sounding packet. A second sounding packet is transmitted from the calibration station to the wireless communication device. A second channel descriptor is generated based on the second sounding packet. The first channel descriptor and the second channel descriptor are obtained at a processor device. Calibration coefficients indicative of one or both of phase imbalance and amplitude imbalance between a receive radio frequency (RF) chain and a transmit RF chain at the wireless communication device are generated based on the first and the second channel descriptors. The calibration coefficients are sent from the processor device to the wireless communication device.

Abstract translation: 第一探测包从无线通信设备发送到校准站。 基于第一探测包生成第一信道描述符。 第二探测包从校准站发送到无线通信设备。 基于第二探测包生成第二信道描述符。 在处理器设备处获得第一信道描述符和第二信道描述符。 基于第一和第二信道描述符生成指示无线通信设备处的接收射频（RF）链和发射RF链之间的相位不平衡和幅度不平衡之一或两者的校准系数。 校准系数从处理器设备发送到无线通信设备。