公开(公告)号：US20180212730A1

公开(公告)日：2018-07-26

申请号：US15934357

申请日：2018-03-23

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Hui HUANG ,  Fengyong QIAN ,  Qicong ZHAN ,  Dongmei FANG ,  Heng XU

IPC: H04L5/00 ,  H04B7/06 ,  H04W72/04 ,  H04W28/26

CPC classification number: H04L5/0048 ,  H04B7/0617 ,  H04L25/0202 ,  H04W28/26 ,  H04W72/0406

Abstract: The present invention discloses a pilot allocation method and apparatus, and relates to the field of wireless communications technologies, so as to resolve a problem that relatively strong pilot interference is generated between users on which MUBF pairing is performed. In the embodiments of the present invention, a base station determines user equipments UEs requiring multi-user beam forming MUBF pairing and to-be-allocated ports, sets a quantity of orthogonal cover codes OCCs according to a quantity of the to-be-allocated ports, and determines a pilot allocation result according to the quantity of the to-be-allocated ports, the quantity of the OCCs, and a quantity of the UEs. The solutions provided in the embodiments of the present invention are applicable to pilot allocation.

公开(公告)号：US20190159066A1

公开(公告)日：2019-05-23

申请号：US16259170

申请日：2019-01-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Jing ZHAO ,  Wei ZHAO ,  Fengyong QIAN

IPC: H04W28/06 ,  H04L5/00 ,  H04W24/10

Abstract: A CSI-RS transmission method and a network device are provided, to resolve a technical problem that very large pilot resource overheads are occupied for sending CSI-RSs, and reduce pilot transmission resources occupied for sending CSI-RSs, to reduce pilot transmission overheads. The method includes: determining, by a network device, that at least two of M quantities of antenna ports respectively used by M radio remote units RRUs for sending a CSI-RS to same user equipment are not equal, and instructing the M RRUs to send P CSI-RSs on N resource elements, where at least one of the N resource elements carries content of at least two of the P CSI-RSs, the P CSI-RSs are CSI-RSs respectively sent by P RRUs in the M RRUs, M is an integer greater than or equal to 2, P is an integer less than or equal to M, and N is a positive integer.

公开(公告)号：US20210203395A1

公开(公告)日：2021-07-01

申请号：US17196703

申请日：2021-03-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Quanzhong GAO ,  Hui GAO ,  Hongjie HU ,  Fengyong QIAN ,  Chengzhi ZHU

IPC: H04B7/06

Abstract: This application provides a method for adjusting a half-power angle of an antenna, to adjust a maximum half-power angle or a maximum beam gain of an individual transceiver channel. The method includes: first determining that M antenna elements in N antenna elements connected to a first transceiver channel of an access network device need to be turned on or off, where N>M≥1, and both N and M are integers, that is, a quantity of antenna elements driven by the first transceiver channel needs to be adjusted; and then sending first indication information to the access network device, where the first indication information is used to indicate to turn on or off the M antenna elements.