专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

51. 发明授权

US11523466B2 Channel access method and apparatus 有权
公开(公告)号：US11523466B2
公开(公告)日：2022-12-06
申请号：US16729107
申请日：2019-12-27
申请人： Huawei Technologies Co., Ltd.
发明人： Yunbo Li , Yanchun Li , Yi Luo
IPC分类号： H04W84/12 , H04W74/08 , H04J11/00
摘要： 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.

52. 发明授权

US11284283B2 Uplink multi-user multi-input multi-output establishment method and apparatus 有权
公开(公告)号：US11284283B2
公开(公告)日：2022-03-22
申请号：US16526067
申请日：2019-07-30
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yi Luo , Xun Yang , Yingpei Lin
IPC分类号： H04W24/10 , H04W76/40 , H04W72/12 , H04W74/00 , H04B7/0452 , H04J13/00 , H04L27/26 , H04W74/08
摘要： 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.

53. 发明授权

US10952097B2 Frame transmission method for wireless local area network and wireless local area network apparatus 有权
公开(公告)号：US10952097B2
公开(公告)日：2021-03-16
申请号：US16516676
申请日：2019-07-19
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Le Liu , Yi Luo , Guido Montorsi , Sergio Benedetto
IPC分类号： H04W28/06 , H04L27/26 , H04W84/12
摘要： 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.

54. 发明授权

US10893137B2 Photography guiding method, device, and system 有权
公开(公告)号：US10893137B2
公开(公告)日：2021-01-12
申请号：US16496148
申请日：2017-05-31
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Yi Luo
IPC分类号： H04M1/725 , G06F16/583 , G06F16/58 , H04N5/232 , G06F16/587
摘要： 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.

55. 发明授权

US10602509B2 Data transmission processing method and apparatus 有权
公开(公告)号：US10602509B2
公开(公告)日：2020-03-24
申请号：US15233591
申请日：2016-08-10
申请人： Huawei Technologies Co., Ltd.
发明人： Yunbo Li , Jiayin Zhang , Yi Luo
IPC分类号： H04W4/00 , H04W72/04 , H04W74/04 , H04W84/12
摘要： 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.

56. 发明授权

US10602469B2 Transmission method and device 有权
公开(公告)号：US10602469B2
公开(公告)日：2020-03-24
申请号：US16007618
申请日：2018-06-13
申请人： Huawei Technologies Co., Ltd.
发明人： Xun Yang , Yi Luo
IPC分类号： H04W4/00 , H04W56/00
摘要： 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.

57. 发明授权

US10602318B2 Method, apparatus and network device for user data transmission 有权
公开(公告)号：US10602318B2
公开(公告)日：2020-03-24
申请号：US15130598
申请日：2016-04-15
申请人： Huawei Technologies Co., Ltd.
发明人： Yalin Liu , Jiayin Zhang , Yi Luo
IPC分类号： H04W4/06 , H04W74/06 , H04L29/08 , H04L29/06 , H04L12/865 , H04L12/851
摘要： 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.

58. 发明授权

US10206220B2 Scheduling method, access point, scheduling server, and scheduling system 有权
公开(公告)号：US10206220B2
公开(公告)日：2019-02-12
申请号：US15184830
申请日：2016-06-16
申请人： Huawei Technologies Co., Ltd.
发明人： Xun Yang , Yi Luo , Jiayin Zhang
IPC分类号： H04W72/12 , H04W88/08 , H04W72/04 , H04W16/14 , H04W88/02
摘要： 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.

59. 发明授权

US10187825B2 Data transmission method and apparatus 有权
公开(公告)号：US10187825B2
公开(公告)日：2019-01-22
申请号：US15170718
申请日：2016-06-01
申请人： Huawei Technologies Co., Ltd.
发明人： Yi Luo , Xun Yang , Yunjie Yuan
IPC分类号： H04W28/26 , H04B7/0452 , H04L5/00 , H04W72/12
摘要： 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.

60. 发明授权

US10172160B2 Channel contention method, access point, and station 有权
公开(公告)号：US10172160B2
公开(公告)日：2019-01-01
申请号：US15220155
申请日：2016-07-26
申请人： HUAWEI TECHNOLOGIES CO., LTD.
发明人： Tianyu Wu , Yi Luo
IPC分类号： H04W84/12 , H04W74/08 , H04W72/12 , H04W88/08
摘要： The present disclosure discloses a channel contention method, an access point, and a station. The method includes: sending, by an AP, an RTS frame, where the RTS frame carries group response indication information, and the group response indication information is used to instruct multiple STAs to return CTS frames; receiving, by the AP, a CTS frame that is returned according to the group response indication information by a STA among the multiple STAs that receives the RTS frame; and determining, by the AP according to the received CTS frame, that a transmission opportunity is obtained. According to the channel contention method, the access point, and the station in the embodiments of the present disclosure, data transmission between an AP and multiple STAs can be effectively protected with a relatively small overhead, and system efficiency can be improved.

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式