公开(公告)号：US20230306929A1

公开(公告)日：2023-09-28

申请号：US18018683

申请日：2021-07-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Luo ,  Xuan Zhou

IPC: G09G5/373 ,  G06F3/147

CPC classification number: G09G5/373 ,  G06F3/147 ,  G09G2340/0442

Abstract: This application provides a display control method and apparatus, and the method includes: separately obtaining first size information of a display screen of an electronic device, second size information of to-be-played multimedia information, and an operation view used to control the multimedia information; determining, based on the first size information and the second size information, a first area that is on the display screen and in which the multimedia information is displayed; and displaying the operation view in a second area other than the first area on the display screen. In the display control method and apparatus provided in this application, a display effect of a picture can be effectively improved.

公开(公告)号：US11523466B2

公开(公告)日：2022-12-06

申请号：US16729107

申请日：2019-12-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yunbo Li ,  Yanchun Li ,  Yi Luo

IPC: H04W84/12 ,  H04W74/08 ,  H04J11/00

Abstract: A channel access process method in a wireless local area network is provided. The method includes: generating, by a station, a backoff counter value; then performing, by the station, a backoff operation after receiving a first trigger frame, where the backoff operation includes: deducting, from the backoff counter value, a quantity N of subchannels for random access, to obtain a new backoff counter value; and when the new backoff counter value is 0 or a negative number, randomly selecting, by the station, one subchannel from the subchannels for random access, and then accessing the subchannel to send an uplink frame. The present application further provides a corresponding channel access apparatus. Applying the method and the apparatus of the embodiments of the present application improves system access efficiency and avoids a waste of system resources.

公开(公告)号：US11284283B2

公开(公告)日：2022-03-22

申请号：US16526067

申请日：2019-07-30

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Luo ,  Xun Yang ,  Yingpei Lin

IPC: H04W24/10 ,  H04W76/40 ,  H04W72/12 ,  H04W74/00 ,  H04B7/0452 ,  H04J13/00 ,  H04L27/26 ,  H04W74/08

Abstract: An uplink multi-user multi-input multi-output establishment method includes broadcasting, by a network side device, an uplink data sending announcement; receiving buffer information sent by a terminal that needs to send data, where the buffer information includes at least a sending level and a data sending length of to-be-sent data; determining, according to the buffer information, scheduling information for establishing uplink multi-user multi-input multi-output; and sending, to a terminal that is allowed to send data and selected from the terminal that needs to send data, a clear to send frame that carries the scheduling information, so that the terminal that is allowed to send data sends the to-be-sent data according to the scheduling information. The embodiments of the present disclosure effectively implement uplink multi-user multi-input multi-output establishment, so that signaling interworking is reduced, resource overheads are reduced, and data sending efficiency is improved.

公开(公告)号：US10952097B2

公开(公告)日：2021-03-16

申请号：US16516676

申请日：2019-07-19

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Le Liu ,  Yi Luo ,  Guido Montorsi ,  Sergio Benedetto

IPC: H04W28/06 ,  H04L27/26 ,  H04W84/12

Abstract: Embodiments of the present invention disclose a frame transmission method for a wireless local area network and a wireless local area network apparatus, and relate to the field of communications technologies. According to the present invention, in a frame transmission process in a WLAN, a frame sent by a wireless local area network WLAN apparatus is received, and the frame of a particular standard is recognized by detecting a user common signal field included in the frame, so that backward compatibility of a WLAN apparatus is implemented, and hybrid networking of WLAN apparatuses of different standards can be supported, thereby improving flexibility of network deployment, and reducing complexity of networking.

公开(公告)号：US10893137B2

公开(公告)日：2021-01-12

申请号：US16496148

申请日：2017-05-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yi Luo

IPC: H04M1/725 ,  G06F16/583 ,  G06F16/58 ,  H04N5/232 ,  G06F16/587

Abstract: Embodiments of this application provide a photography guiding method, a device, and a system, relate to the field of terminal technologies, so as to precisely search for a reference picture by using a search word, and accurately guide a user based on the reference picture to perform composition photographing, thereby improving user photographing experience. A specific solution includes: displaying, by a photographing device, a photographing screen; when detecting at least one search word entered by a user on the photographing screen, performing picture retrieval based on the search word, where the at least one search word is used to describe a feature of a to-be-photographed picture; and displaying, on the photographing screen, at least one reference picture in a retrieved picture, where the reference picture is used to guide the user to perform composition photographing. The embodiments of this application are used to guide the user to perform composition photographing.

公开(公告)号：US10602509B2

公开(公告)日：2020-03-24

申请号：US15233591

申请日：2016-08-10

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yunbo Li ,  Jiayin Zhang ,  Yi Luo

IPC: H04W4/00 ,  H04W72/04 ,  H04W74/04 ,  H04W84/12

Abstract: Embodiments of the present invention provide a data transmission processing method and apparatus. The data transmission processing method in the embodiments includes successfully reserving, by a first station, a time-frequency resource, and allocating, by the first station, at least a partial time-frequency resource of the time-frequency resource to a third station, so that the third station performs data transmission on the allocated time-frequency resource, where the third station is a non-associated neighboring station of the first station.

公开(公告)号：US10602469B2

公开(公告)日：2020-03-24

申请号：US16007618

申请日：2018-06-13

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun Yang ,  Yi Luo

IPC: H04W4/00 ,  H04W56/00

Abstract: The present disclosure provide a transmission method and a device, which relate to the technical field of communications and reduce overhead and improve work efficiency in an application of cooperative transmission in aspects of synchronization, sharing of information such as data and the like, obtaining of channel information and data transmission. Meanwhile application scenarios may also be extended. The method specifically includes: obtaining, by an access point AP, a parameter value, wherein the parameter value is a frequency difference between a crystal oscillator frequency of the AP and a reference crystal oscillator frequency of a reference AP or a delay difference of the AP with respect to the reference AP; compensating, by the AP, a phase difference or a time difference according to the parameter value when both of the AP and the reference AP send data. The present disclosure is applied to an application of a cooperative transmission.

公开(公告)号：US10602318B2

公开(公告)日：2020-03-24

申请号：US15130598

申请日：2016-04-15

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yalin Liu ,  Jiayin Zhang ,  Yi Luo

IPC: H04W4/06 ,  H04W74/06 ,  H04L29/08 ,  H04L29/06 ,  H04L12/865 ,  H04L12/851

Abstract: A method, an apparatus and a network device for user data transmission are provided, where the method includes: transmitting a multicast frame for acquiring a user scheduling request to users in a user group, the multicast frame includes a long training sequence and a spread spectrum sequence(s) allocated to all users in the user group; receiving the user scheduling request(s) fed back by a user(s) with data transmission in the user group, the user scheduling request(s) is fed back by the user(s) using at least one of the long training sequence(s) and the spread spectrum sequence(s) allocated to the user(s); scheduling user data transmission according to the user scheduling request(s). According to embodiments of the present disclosure, the delay of users with data transmission is reduced, and the quality of service for the system is improved.

公开(公告)号：US10206220B2

公开(公告)日：2019-02-12

申请号：US15184830

申请日：2016-06-16

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xun Yang ,  Yi Luo ,  Jiayin Zhang

IPC: H04W72/12 ,  H04W88/08 ,  H04W72/04 ,  H04W16/14 ,  H04W88/02

Abstract: Embodiments disclose a scheduling method. The method includes sending, by an access point, a scheduling request to a first scheduling server according to a data transmission requirement, where the scheduling request includes frequency band bandwidth information of a contention frequency band that is applied for and frequency band use time information of the contention frequency band that is applied for. The method also includes receiving, by the access point, a contention frequency band that is allocated by the first scheduling server to the access point according to a spectrum list and the scheduling request, where the spectrum list includes at least frequency band use information and interference information of the access point. The method also includes performing, by the access point, scheduling transmission by using the allocated contention frequency band.

公开(公告)号：US10187825B2

公开(公告)日：2019-01-22

申请号：US15170718

申请日：2016-06-01

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yi Luo ,  Xun Yang ,  Yunjie Yuan

IPC: H04W28/26 ,  H04B7/0452 ,  H04L5/00 ,  H04W72/12

Abstract: The present invention discloses a data transmission method and apparatus. The method includes: receiving a channel reservation request frame sent by a first station, where the channel reservation request frame is used to request to reserve a transmission resource for the first station for sending uplink data; sending a channel reservation response frame to the first station and M second stations according to the channel reservation request frame, where the channel reservation response frame is used to indicate that the first station and the M second stations are allowed to send uplink data. According to the data transmission method and apparatus of the embodiments of the present invention, time-frequency resources of a system can be reduced when MU-MIMO is implemented, a transmission delay can be shortened, and user experience can be improved.