公开(公告)号：US12231265B2

公开(公告)日：2025-02-18

申请号：US17967143

申请日：2022-10-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guosen Yue ,  Xiao-Feng Qi

IPC: H04L25/02 ,  H04B7/06

Abstract: Method and apparatus are provided for estimating first downlink (DL) channel information of first DL channels in accordance with reference signals received on first uplink (UL) channels, the first UL channels being a subset of available UL channels, and the first DL channels corresponding to the first UL channels. Channel feedback is received for a set of DL channels, and second DL channel information is estimated in accordance with the estimated first DL channel information and the received channel feedback.

公开(公告)号：US12218780B2

公开(公告)日：2025-02-04

申请号：US17866705

申请日：2022-07-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guosen Yue ,  Xiao-Feng Qi

IPC: H04L25/02 ,  H04W24/08

Abstract: A method includes calculating first high dimensional channel characteristics of a first frequency band in accordance with measurements of the first frequency band; estimating a power angle delay spectrum (PADS) in accordance with the first high dimensional channel characteristics of the first frequency band; determining a domain conversion matrix for a second frequency band in accordance with the PADS; and generating second high dimensional channel characteristics of the second frequency band in accordance with the domain conversion matrix and the first high dimensional channel characteristics of the first frequency band.

公开(公告)号：US20230051245A1

公开(公告)日：2023-02-16

申请号：US17967143

申请日：2022-10-17

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guosen Yue ,  Xiao-Feng Qi

IPC: H04L25/02 ,  H04B7/06

Abstract: Method and apparatus are provided for estimating first downlink (DL) channel information of first DL channels in accordance with reference signals received on first uplink (UL) channels, the first UL channels being a subset of available UL channels, and the first DL channels corresponding to the first UL channels. Channel feedback is received for a set of DL channels, and second DL channel information is estimated in accordance with the estimated first DL channel information and the received channel feedback.

公开(公告)号：US20220393909A1

公开(公告)日：2022-12-08

申请号：US17866705

申请日：2022-07-18

Applicant: Huawei Technologies Co., Ltd.

Inventor： Guosen Yue ,  Xiao-Feng Qi

IPC: H04L25/02 ,  H04W24/08

Abstract: A method includes calculating first high dimensional channel characteristics of a first frequency band in accordance with measurements of the first frequency band; estimating a power angle delay spectrum (PADS) in accordance with the first high dimensional channel characteristics of the first frequency band; determining a domain conversion matrix for a second frequency band in accordance with the PADS; and generating second high dimensional channel characteristics of the second frequency band in accordance with the domain conversion matrix and the first high dimensional channel characteristics of the first frequency band.

公开(公告)号：US20220247449A1

公开(公告)日：2022-08-04

申请号：US17660475

申请日：2022-04-25

Applicant: Huawei Technologies Co., Ltd.

Inventor： Arkady Molev-Shteiman ,  Xiao-Feng Qi

IPC: H04B1/7093 ,  H04B1/04 ,  H04B7/0426 ,  H04L5/00

Abstract: A system includes an analog front-end configured to process a signal to obtain amplified beams, the signal being formed by pulses of a plurality of beams, pulses of each of the plurality of beams being generated according to a time-hopping modulation scheme, a plurality of radars coupled to the analog front-end, the plurality of radars configured to transmit each of the amplified beams at a different angle, and to receive reflections of the transmitted beams, and a plurality of correlators coupled to the plurality of radars through the analog front-end, the plurality of correlators being configured to process the reflections of the transmitted beams to obtain proximity measurements.