公开(公告)号：US11322838B1

公开(公告)日：2022-05-03

申请号：US16866239

申请日：2020-05-04

Applicant: Amazon Technologies, Inc.

Inventor： Iyappan Ramachandran ,  Simon Jacques Damphousse ,  Tara Yousefi ,  Billy Pingli Kao ,  Murat Veysoglu ,  Ming-Chun Paul Lee

IPC: H04B1/60 ,  H01Q3/26 ,  H04B17/13 ,  H01Q21/22 ,  H04B7/185 ,  H04B17/12

Abstract: Technologies directed to calibrating phased array antennas are described. A processing device of a communication device causes a first radio to send a first signal via a first antenna element. The first signal has a set of tones. Each tone of the set of tones has a frequency within a fixed frequency range. The processing device causes a second radio to receive a second signal via a second antenna element. The second signal is a response to the first signal. The processing device determines that there is a difference between the second signal and a reference signal. The processing device adjusts at least one of a phase parameter value, a gain parameter value, or a time-delay parameter value of a radio frequency component based on the difference.

公开(公告)号：US12040555B1

公开(公告)日：2024-07-16

申请号：US17884868

申请日：2022-08-10

Applicant: Amazon Technologies, Inc.

Inventor： Tara Yousefi ,  Iyappan Ramachandran ,  Murat Veysoglu ,  Peter James Hetzel ,  Billy Pingli Kao ,  Alireza Mahanfar

IPC: H04B1/00 ,  H01Q1/28 ,  H01Q3/36 ,  H01Q9/04 ,  H01Q13/02 ,  H04B1/16

CPC classification number: H01Q3/36 ,  H01Q1/288 ,  H01Q9/0407 ,  H01Q13/0275 ,  H04B1/1607

Abstract: Technologies directed to a directional calibration antenna for calibration of an array antenna of a communication system are described. The communication system includes the array antenna which includes a number of antenna elements. The number of antenna elements are located in an area on a first side of a support structure. A directional antenna is located at a first height above a plane of the array antenna and at a periphery of the area. The directional antenna is pointed towards the array antenna and is located within a near field of the array antenna.

公开(公告)号：US11462828B1

公开(公告)日：2022-10-04

申请号：US17097518

申请日：2020-11-13

Applicant: Amazon Technologies, Inc.

Inventor： Tara Yousefi ,  Iyappan Ramachandran ,  Murat Veysoglu ,  Peter James Hetzel ,  Billy Pingli Kao ,  Alireza Mahanfar

IPC: H04B1/06 ,  H01Q3/36 ,  H01Q9/04 ,  H01Q1/28 ,  H04B1/16 ,  H01Q13/02

Abstract: Technologies directed to a directional calibration antenna for calibration of an array antenna of a communication system are described. The communication system includes the array antenna which includes a number of antenna elements. The number of antenna elements are located in an area on a first side of a support structure. A directional antenna is located at a first height above a plane of the array antenna and at a periphery of the area. The directional antenna is pointed towards the array antenna and is located within a near field of the array antenna.