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公开(公告)号：US10405346B2
公开(公告)日：2019-09-03
申请号：US15544218
申请日：2015-01-15
Applicant: Huawei Technologies Co., Ltd.
Abstract: A data transmission method and an apparatus relate to the communications field and are applied to data transmission to effectively reduce a collision reoccurrence probability after a device in a licensed-assisted access using Long Term Evolution (LAA-LTE) system preempts an unlicensed spectrum and collides with another device. A first device adjusts a detection moment or a quantity of detection times of clear channel assessment (CCA) of a channel in an unlicensed spectrum after the first device determines that the first device collides with another device when occupying the channel in the unlicensed spectrum to transmit data, and the first device occupies, according to an adjusted detection moment or an adjusted quantity of detection times of CCA of the channel in the unlicensed spectrum, the channel in the unlicensed spectrum to transmit data.
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公开(公告)号：US10382243B2
公开(公告)日：2019-08-13
申请号：US15559009
申请日：2015-03-18
Applicant: Huawei Technologies Co., Ltd.
Inventor： Da Wang , Jian Wang , Juan Zheng
Abstract: Embodiments of the present invention disclose a data transmission method, including: obtaining, by a first device, N orthogonal frequency division multiplexing (OFDM) symbols, where the N OFDM symbols are used to carry control information and data; and sending, by the first device, a first subframe and a second subframe to a second device, where the first subframe or the second subframe carries the control information, the first subframe includes M OFDM symbols of the N OFDM symbols, the second subframe includes K OFDM symbols of the N OFDM symbols, N is , a positive integer, M or K is zero or a positive integer, M is not greater than N, and K is not greater than N. The embodiments of the present invention further provide a first data transmission device.
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公开(公告)号：US10342031B2
公开(公告)日：2019-07-02
申请号：US15524760
申请日：2014-11-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: H04W72/00 , H04W72/12 , H04L27/04 , H04L27/06 , H04L5/00 , H04W74/08 , H04L25/49 , H04L27/08 , H04W72/04 , H04L27/26
Abstract: A data transmission method and a device are disclosed and relate to the field of communications technologies, so that a channel resource preemption probability of a device can be effectively increased by reducing a CCA interval at which a CCA is performed on a channel resource. The method includes: determining, by a first device, a CCA start moment at which a clear channel assessment CCA is performed; determining, by the first device, a CCA interval, where the CCA interval is a time interval between two adjacent CCAs, and a time interval between any two adjacent CCAs is less than a preconfigured data frame period; performing, by the first device, a CCA process according to the CCA start moment and the CCA interval; and sending, by the first device, data at an end moment of the CCA process. The method and the device are used for data transmission.
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304.发明申请公开(公告)号：US20190182756A1
公开(公告)日：2019-06-13
申请号：US16324757
申请日：2016-08-12
Applicant: Huawei Technologies Co., Ltd.
Inventor： Da Wang , Jian Wang , Yongbo Zeng , Nathan Edward Tenny , Haibo Xu
IPC: H04W48/12
Abstract: A control information sending method, a control information receiving method, and a device where a first device sends first control information to a second device on a first resource such that second device prepares data information based on the first control information and waits for sending the data information. The first device sends second control information on a second resource different from the first resource such that the second device sends the data information based on the second control information. The first resource is different from the second resource such that a duration of preparing the data information by the second device is greatly greater than an interval between control information and uplink data in one time interval, and the second device has sufficient time to prepare the data information.
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公开(公告)号：US10314073B2
公开(公告)日：2019-06-04
申请号：US15329976
申请日：2014-08-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jian Wang
Abstract: Embodiments of the present invention provide a data transmission method and user equipment. The method includes: obtaining, by first user equipment, time resource grouping information, where the time resource grouping information includes physical resource numbers of physical resources in N time resource groups, and N is a positive integer; sending, by the first user equipment, an indication signal, where the indication signal indicates one or more physical resource numbers; determining, by the first user equipment according to the time resource grouping information and the one or more physical resource numbers indicated by the indication signal, time resources occupied by a data signal in the N time resource groups; and sending, by the first user equipment, the data signal by using the time resources occupied by the data signal in the N time resource groups. In the embodiments of the present invention, energy consumption of a receive end can be reduced.
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Patent Agency Ranking
公开(公告)号：US20190158225A1
公开(公告)日：2019-05-23
申请号：US16313776
申请日：2017-06-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Da Wang , Bin Liu , Nathan Edward Tenny , Guowei Ouyang , Jian Wang
Abstract: A data transmission method and a device where during downlink data transmission, a network side device generates second information based on first information and a second identifier and sends the second information to a second device, and in the sending process, the second information passes through a first device. In the process, the second information is generated by the network side device based on the first information and the second identifier of the second device. Therefore, when the second information reaches the first device, the first device can identify the second device as a destination of the second information. Network quality of service different from that of the first device is provided to the second device by distinguishing data of the first device and data of the second device.
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公开(公告)号：US10237102B2
公开(公告)日：2019-03-19
申请号：US15558969
申请日：2015-03-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jian Wang
Abstract: The present invention relates to the communications field and discloses an information transmission method, a device, and a system, so as to resolve a prior-art problem that resources are wasted when an incomplete subframe is used to send information after the information is encoded. In a specific solution, a first device generates T code blocks, generates N OFDM symbols according to the T code blocks, and transmits, in a first subframe, M of the N OFDM symbols to a second device according to a second sequence. The present invention is applied to information transmission.
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公开(公告)号：US20190068316A1
公开(公告)日：2019-02-28
申请号：US16163169
申请日：2018-10-17
Applicant: Huawei Technologies Co., Ltd.
Inventor： Huazi Zhang , Jiajie Tong , Rong Li , Jun Wang , Wen Tong , Yiqun Ge , Xiaocheng Liu , Gongzheng Zhang , Jian Wang , Nan Cheng , Qifan Zhang
Abstract: Embodiment techniques map parity bits to sub-channels based on their row weights. In one example, an embodiment technique includes polar encoding, with an encoder of the device, information bits and at least one parity bit using the polar code to obtain encoded data, and transmitting the encoded data to another device. The polar code comprises a plurality of sub-channels. The at least one parity bit being placed in at least one of the plurality of sub-channels. The at least one sub-channel is selected from the plurality of sub-channels based on a weight parameter.
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公开(公告)号：US10177889B2
公开(公告)日：2019-01-08
申请号：US15360815
申请日：2016-11-23
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jingyuan Sun , Lixia Xue , Jian Wang
Abstract: The present invention discloses a sequence generation method and a base station. The method includes: determining, by a terminal, at least one first sequence according to at least one candidate sequence, where a length of the candidate sequence is less than a sequence length corresponding to a maximum available system bandwidth; and connecting, by the terminal, the at least one first sequence to generate a second sequence or directly using the at least one first sequence as a second sequence, and receiving a signal according to the second sequence, where the second sequence is at least one of a reference signal sequence or a scrambling code sequence.
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公开(公告)号：US10101505B2
公开(公告)日：2018-10-16
申请号：US15481578
申请日：2017-04-07
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Abstract: A vortex beam device includes: a metal reflector, a low refractive index layer, and multiple elliptical dielectric elements. The low refractive index layer located on the metal reflector. The multiple elliptical dielectric elements are embedded in the low refractive index layer and arranged in an array, major axes of the multiple elliptical dielectric elements are parallel or coincident. The multiple elliptical dielectric elements have a same thickness. A thickness of the low refractive index layer is greater than a thickness of the elliptical dielectric element. An outer surface of each elliptical dielectric element is flush with an outer surface of the low refractive index layer. A refractive index of the low refractive index layer is less than a refractive index of the elliptical dielectric element.
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