公开(公告)号：US20230209496A1

公开(公告)日：2023-06-29

申请号：US18170693

申请日：2023-02-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Zhi YANG ,  Qiang HUO ,  Jinglun WANG ,  Xi CHEN ,  Zhiqiang ZOU

IPC: H04W64/00 ,  H04B7/0456 ,  H04W24/08 ,  G01S13/75

CPC classification number: H04W64/00 ,  H04B7/0456 ,  H04W24/08 ,  G01S13/75

Abstract: This application provides a passive inter-modulation source positioning method and an apparatus, and relates to the field of wireless communications technologies. The method includes: A network device sequentially performs a scanning process on each of a plurality of scanning spots by using the following steps: sending a plurality of downlink signals with different frequencies for a first scanning spot by using a transmit antenna, and receiving an uplink PIM signal for the first scanning spot by using a receive antenna, where the first scanning spot is any one of the plurality of scanning spots, and the uplink PIM signal is generated by excitation by any at least two of the plurality of downlink signals; and the network device determines a PIM source from the plurality of scanning spots based on uplink PIM signals respectively corresponding to the plurality of scanning spots.