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公开(公告)号:US11240740B2
公开(公告)日:2022-02-01
申请号:US16651527
申请日:2017-09-29
Applicant: Huawei Technologies Co., Ltd.
Inventor: Zhongjin Li , Fuke Wang , Lei Wang , Wenjie Duan , Li Shen
Abstract: A method related to the field of mobile communications technologies and for processing radio frequency resources includes detecting, by a terminal, a service mode of a first service that uses a primary subscriber identification module (SIM) card, where the service mode includes a real-time service mode and a non-real-time service mode, and reducing, by the terminal, a proportion of radio frequency (RF) resources occupied by a secondary SIM card when the service mode of the first service is the real-time service mode, where the primary SIM card is a card for performing the real-time service mode, and the secondary SIM card is a card, other than the primary SIM card, in a multi-SIM multi-standby terminal.
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公开(公告)号:US11212054B2
公开(公告)日:2021-12-28
申请号:US16546664
申请日:2019-08-21
Applicant: Huawei Technologies Co., Ltd.
Inventor: Xiuqiang Xu , Yan Chen , Lei Wang , Yinggang Du
Abstract: A data transmission method and apparatus for determining a transport block size, the method including obtaining, by a first device, a first parameter, where the first parameter is used to indicate a quantity of resource elements included in a resource mapping unit, determining, by the first device, a first transport block size based on the first parameter, and transmitting, by the first device, data based on the first transport block size.
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公开(公告)号:US20200209108A1
公开(公告)日:2020-07-02
申请号:US16816676
申请日:2020-03-12
Applicant: Huawei Technologies Co., Ltd.
Inventor: Binlin Deng , Lei Wang
IPC: G01M11/00 , H04J14/02 , H04B10/564 , H04B10/66 , G02B6/42
Abstract: This application provides a calibration apparatus and method, and a wavelength division multiplexing system. The calibration apparatus includes: a sending module, configured to send a first detection signal to a first multiplexing device; a receiving module, configured to receive the first detection signal that passes through the first multiplexing device, and receive a second detection signal that passes through the first multiplexing device and a second multiplexing device; and a processing module, configured to adjust a center frequency of the first detection signal, so that an adjusted center frequency of the first detection signal is aligned with a center frequency of the first multiplexing device, and adjust a center frequency of the second detection signal and the center frequency of the first multiplexing device, so that the center frequency of the first multiplexing device is aligned with the center frequency of the second detection signal.
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公开(公告)号:US20200067189A1
公开(公告)日:2020-02-27
申请号:US16654768
申请日:2019-10-16
Applicant: Huawei Technologies Co., Ltd.
Inventor: Lei Wang , Meng Hou , Xuefei Zhang , Jianming Li , Hanyang Wang
Abstract: A composite right/left-handed transmission line antenna includes a first radiator, a second radiator, and a capacitive matching circuit, where the first radiator is connected to the second radiator, the connected first radiator and second radiator are of a ring shape, and the matching circuit is connected to a feed-in point of the first radiator or the second radiator.
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公开(公告)号:US10547114B2
公开(公告)日:2020-01-28
申请号:US15566518
申请日:2015-04-16
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor: Hanyang Wang , Lijun Ying , Xuefei Zhang , Chien-Ming Lee , Dong Yu , Liang Xue , Lei Wang , Chih-Hua Chang
Abstract: Embodiments of the present invention relate to the field of antenna technologies, and provide a slot antenna and a mobile terminal, to generate different resonance frequencies, so as to cover required bands. The slot antenna includes a system circuit board, a grounding conductor, a radiator, and a first adjustable unit. The system circuit board is connected to the grounding conductor to form an electric conductor, and the radiator is opposite to the electric conductor to form a slot. A feeding end is disposed on the system circuit board, the feeding end is electrically connected to the radiator, one end of the first adjustable unit is connected to the system circuit board, the other end of the first adjustable unit is connected to the radiator, and the first adjustable unit is configured to adjust a resonance frequency of the slot antenna.
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公开(公告)号:US10516516B2
公开(公告)日:2019-12-24
申请号:US15655189
申请日:2017-07-20
Applicant: Huawei Technologies Co., Ltd. , Fraunhofer-Gesellschaft Zur Forderung Der Angewandten Forschung E.V.
Inventor: Lei Wang , Martin Kurras , Lars Thiele , Thomas Haustein , Dageng Chen , Ye Wu , Deli Qiao
Abstract: Embodiments of the present invention provide a precoding information obtaining method and a device. The method includes: separately precoding, by a network device by using N sub-codebooks, a pilot group including K pilots to obtain N precoded pilot groups, where the sub-codebooks are subsets of a precoding codebook, the precoding codebook includes M precoding vectors, each sub-codebook includes K precoding vectors; sending, by the network device, a precoded pilot group to a terminal device in each of W RB groups; and receiving, by the network device, precoding information fed back by the terminal device for any one of W precoded pilot groups. According to the precoding information obtaining method and the device, a quantity of pilot signals sent by the network device in each RB group is reduced, and pilot overheads in each RB group are reduced.
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公开(公告)号:US20190027830A1
公开(公告)日:2019-01-24
申请号:US16067500
申请日:2015-12-31
Applicant: Huawei Technologies Co., Ltd.
Inventor: Hanyang Wang , Chien-Ming Lee , Xuefei Zhang , Lijun Ying , Liang Xue , Jiaqing You , Lei Wang , Yue Shi , Dong Yu , Guoping Wu , Bo Huang
Abstract: An antenna apparatus and a terminal, where the antenna apparatus includes an antenna body and at least one stub, where a feed terminal is disposed on the antenna body, one end of the stub is electrically coupled to a coupling point between the feed terminal and a first open-circuit end of the antenna body, and the other end of the stub is an open-circuit end, and an antenna body length between the coupling point and the feed terminal is a half of a wavelength corresponding to a specified operating frequency, and a length of the stub is one quarter of the wavelength corresponding to the specified operating frequency.
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公开(公告)号:US20180234138A1
公开(公告)日:2018-08-16
申请号:US15891658
申请日:2018-02-08
Applicant: HUAWEI TECHNOLOGIES CO.,LTD.
IPC: H04B7/0413 , H04L5/00 , H04B7/06 , H04B7/0452 , H04B7/0456 , H04B7/04
CPC classification number: H04B7/0413 , H04B7/0452 , H04B7/0456 , H04B7/0478 , H04B7/0626 , H04L5/0051
Abstract: Embodiments of the present invention disclose a base station, including: a first channel state information acquiring module, configured to acquire channel state information of dimension-reduced channel subspace by means of level-one channel state information measurement; a set determining module, configured to: schedule the user equipment, and determine a set of user equipment involved in multiple-input multiple-output; a second channel state information acquiring module, configured to: perform level-two channel state information measurement on user equipment in the set of user equipment to acquire state information of a dimension-reduced real-time channel; and a data sending module, configured to: process downlink data and a user-specific demodulation reference signal by means of two-level precoding, and send processed downlink data and a processed user-specific demodulation reference signal to the user equipment in the set of user equipment.
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公开(公告)号:US09912508B2
公开(公告)日:2018-03-06
申请号:US15216441
申请日:2016-07-21
Applicant: Huawei Technologies Co., Ltd.
IPC: H04L27/26 , H04B7/04 , H04B7/0456 , H04B7/06
CPC classification number: H04L27/2628 , H04B7/0456 , H04B7/068
Abstract: Embodiments of the present disclosure provide an information processing apparatus, a network node, and an information processing method. The information processing apparatus may include an inverse fast Fourier transform (IFFT) module, a precoding module, and a determining module. The IFFT module is configured to separately perform IFFT processing on N frequency-domain data streams to acquire N time-domain data streams, where N is a positive integer. The precoding module is configured to perform precoding processing on the N time-domain data streams to acquire a precoding processing result. The determining module is configured to determine, according to the precoding processing result, an orthogonal frequency division multiplexing OFDM symbol to be sent over each antenna of M antennas.
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公开(公告)号:US20170373388A1
公开(公告)日:2017-12-28
申请号:US15541467
申请日:2015-01-04
Applicant: Huawei Technologies Co., Ltd.
Inventor: Hanyang Wang , Liang Xue , Lei Wang , Jiaqing You , Meng Hou
CPC classification number: H01Q1/50 , H01Q1/242 , H01Q1/243 , H01Q1/42 , H01Q1/44 , H01Q5/321 , H01Q5/328 , H01Q9/42 , H01Q21/28
Abstract: A handheld device includes a metal frame, two switches, and an antenna feedpoint, where two slits are disposed at the metal frame; the slits divide the metal frame into a left frame, a middle frame, and a right frame; two sides of each slit are bridged by one switch, where one of the switches is in a connected state, the other of the switches is in a disconnected state, and the two switches perform state switching when a user's finger connects a slit corresponding to the switch in a disconnected state; and the antenna feedpoint is electrically connected to the middle frame, and the left frame and the right frame are grounded, to form an antenna.
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