公开(公告)号：US20180302950A1

公开(公告)日：2018-10-18

申请号：US16013964

申请日：2018-06-21

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian MIN

IPC: H04W88/08 ,  H04W24/08 ,  H04W16/14 ,  H04W72/04

CPC classification number: H04W88/085 ,  H04B17/14 ,  H04B17/21 ,  H04L5/0007 ,  H04L25/0204 ,  H04L25/022 ,  H04L25/0224 ,  H04W16/14 ,  H04W24/08 ,  H04W72/0453

Abstract: An RRU channel frequency response difference obtaining method, device, and system are provided. In the method, multiple RRU channel groups are obtained between a BBU and an RRU, and all RRU channels in each RRU channel group are interconnected by using a same bridge. The method includes: separately obtaining, for a first RRU channel and a second RRU channel that are interconnected in any RRU channel group, a first frequency response difference between the first RRU channel and a separate RRU channel and a second frequency response difference between the second RRU channel and the separate RRU channel, where the separate RRU channel is not in the any RRU channel group; and obtaining a frequency response difference between the first RRU channel and the second RRU channel according to the first frequency response difference and the second frequency response difference.

公开(公告)号：US20200328831A1

公开(公告)日：2020-10-15

申请号：US16913785

申请日：2020-06-26

Applicant: Huawei Technologies Co., Ltd.

Inventor： Shun LENG ,  Jian MIN ,  Yun FENG

IPC: H04B17/318 ,  H04W24/08 ,  H04L5/00 ,  H04W24/10

Abstract: Radio frequency channel connection detection methods and apparatus, to detect a connection mode between a radio frequency channel and an antenna, thereby reducing difficulty in secondary onsite construction, and improving construction efficiency. The method includes: receiving, by a first radio frequency unit by using each of N to-be-detected radio frequency channels, signals sent by using at least one of N reference radio frequency channels of a reference radio frequency unit; and determining a connection relationship between the N to-be-detected radio frequency channels and N antennas based on the signals received by using each to-be-detected radio frequency channel.

公开(公告)号：US20250168789A1

公开(公告)日：2025-05-22

申请号：US19026790

申请日：2025-01-17

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jian MIN ,  Xian SHENG ,  Wenguo ZHONG ,  Heng CAO ,  Shipeng HU

IPC: H04W56/00

Abstract: Embodiments of this application provide a communication method, a communication apparatus, and a communication system. The communication method applied to a first apparatus includes: sending a first signal to a second apparatus, where a phase of the sent first signal is a first phase; receiving a second signal from the second apparatus, where the second signal and the first signal are two signals whose transmission directions are opposite on a first transmission path, a phase of the received second signal is a second phase, and the first phase and the second phase are used to adjust a data signal on the first transmission path. Based on this technical solution, the first phase and the second phase may be used to adjust the data signal, to improve reliability of data signal transmission on the first transmission path.