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公开(公告)号：US20220255620A1
公开(公告)日：2022-08-11
申请号：US17729253
申请日：2022-04-26
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Xiaolu Wang , Hejia Luo , Rong Li , Bin Wang , Jun Wang
Abstract: This disclosure provides satellite communication methods and apparatuses. One example method includes that a terminal device determines a first time offset of a first random access response window based on a distance information between a satellite base station and the ground. Based on the first time offset and the first random access response window, the terminal device receives a random access response sent by the satellite base station.
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公开(公告)号：US11337217B2
公开(公告)日：2022-05-17
申请号：US16925073
申请日：2020-07-09
Applicant: Huawei Technologies Co., Ltd.
Inventor： Jialiang Ma , Weilian Jiang , Liang Tang , Bin Wang
Abstract: Embodiments of the present application provide a method, device and system for controlling an air interface resource and relates to the field of communications, which improves air interface resource utilization. The method includes: when a core network device or user equipment detects that service data is not transmitted over a communication channel between the two devices by using an air interface resource, switching a first frequency of sending a hello packet to a peer device to a second frequency, and sending a frequency switching message to instruct the peer device also to switch the first frequency of sending a hello packet to the second frequency, so that when the hello packet is not detected within a packet detection period, an access network device releases an air interface resource occupied by a first communication channel.
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公开(公告)号：US20220122619A1
公开(公告)日：2022-04-21
申请号：US17563538
申请日：2021-12-28
Applicant: Huawei Technologies Co., Ltd.
Inventor： Eyal Shlomot , Yuan Gao , Bin Wang
IPC: G10L19/02 , G10L19/008 , H04S7/00 , H04S1/00
Abstract: A stereo encoding method includes: performing downmix processing on a left channel signal of a current frame and a right channel signal of the current frame to obtain a primary channel signal of the current frame and a secondary channel signal of the current frame; and when determining to perform differential encoding on a pitch period of the secondary channel signal, performing differential encoding on the pitch period of the secondary channel signal using an estimated pitch period value of the primary channel signal to obtain a pitch period index value of the secondary channel signal, where the pitch period index value of the secondary channel signal is used to generate a to-be-sent stereo encoded bitstream.
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公开(公告)号：US20210264925A1
公开(公告)日：2021-08-26
申请号：US17317136
申请日：2021-05-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bin Wang , Haiting Li , Lei Miao
IPC: G10L19/008 , G10L19/032
Abstract: In a stereo encoding method, a channel combination encoding solution of a current frame is first obtained, and then a quantized channel combination ratio factor of the current frame and an encoding index of the quantized channel combination ratio factor are obtained based on the obtained channel combination encoding solution, so that an obtained primary channel signal and secondary channel signal of the current frame meet a characteristic of the current frame.
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公开(公告)号：US10806049B2
公开(公告)日：2020-10-13
申请号：US16358334
申请日：2019-03-19
Applicant: Huawei Technologies Co., Ltd.
Inventor： Yong Zheng , Bin Wang , Fei Bian
Abstract: A remote radio unit, which includes a housing, a ventilation air channel, and a circuit component, where the housing is a sealed hollow cavity; the ventilation air channel passes through the housing, a top end of the ventilation air channel is connected to a top end surface of the housing in a sealed manner, and a bottom end of the ventilation air channel is connected to a bottom end surface of the housing in a sealed manner; and the circuit component is disposed inside the cavity, and is in contact with an external surface of a side wall of the ventilation air channel, so that heat generated by the circuit component is dissipated through the ventilation air channel.
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Patent Agency Ranking
公开(公告)号：US10770085B2
公开(公告)日：2020-09-08
申请号：US16238797
申请日：2019-01-03
Applicant: Huawei Technologies Co., Ltd.
Abstract: An encoding method, a decoding method, an encoding apparatus, a decoding apparatus, a transmitter, a receiver, and a communications system, where the encoding method includes dividing a to-be-encoded time-domain signal into a low band signal and a high band signal, performing encoding on the low band signal to obtain a low frequency encoding parameter, performing encoding on the high band signal to obtain a high frequency encoding parameter, obtaining a synthesized high band signal; performing short-time post-filtering processing on the synthesized high band signal to obtain a short-time filtering signal, and calculating a high frequency gain based on the high band signal and the short-time filtering signal.
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公开(公告)号：US20190385620A1
公开(公告)日：2019-12-19
申请号：US16506295
申请日：2019-07-09
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: G10L19/002 , G10L19/02 , G10L19/035
Abstract: Present disclosure provide an audio signal encoding method and communication terminal, which relate to the communications field. The method and communication terminal are used to obtain an analog audio signal and encoding the analog audio signal to obtain a bitstream representing the analog audio signal, in which a proper bit allocation for spectral coefficients can be performed.
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公开(公告)号：US20190325882A1
公开(公告)日：2019-10-24
申请号：US16458697
申请日：2019-07-01
Applicant: Huawei Technologies Co., Ltd.
Inventor： Bin Wang , Haiting Li , Lei Miao
IPC: G10L19/008 , G10L19/032
Abstract: In a stereo encoding method and a stereo encoder, a channel combination encoding solution of a current frame is first determined, and then a quantized channel combination ratio factor of the current frame and an encoding index of the quantized channel combination ratio factor are obtained based on the determined channel combination encoding solution, so that an obtained primary channel signal and secondary channel signal of the current frame meet a characteristic of the current frame.
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公开(公告)号：US10374306B2
公开(公告)日：2019-08-06
申请号：US15706373
申请日：2017-09-15
Applicant: Huawei Technologies Co., Ltd.
Inventor： Ming Zhang , Bin Wang
Abstract: A MIMO antenna is disclosed, including: a first antenna, a second antenna, and an adjustable decoupling structure. The adjustable decoupling structure is disposed between the first antenna and the second antenna, and is configured to reduce coupling between the first antenna and the second antenna. The adjustable decoupling structure includes a first adjustable capacitor and a second adjustable capacitor that are connected in series and a first adjustable inductor and a second adjustable inductor that are connected in parallel.
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130.发明授权公开(公告)号：US10373629B2
公开(公告)日：2019-08-06
申请号：US15717952
申请日：2017-09-28
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
IPC: G10L19/00 , G10L21/00 , G10L19/12 , G10L21/0388 , G10L21/038 , G10L19/08 , G10L19/26 , G10L25/93 , G10L19/24 , G10L19/02
Abstract: An audio signal encoding and decoding method, an audio signal encoding and decoding apparatus, a transmitter, a receiver, and a communications system, which can improve encoding and/or decoding performance. The audio signal encoding method includes dividing a to-be-encoded time domain signal into a low band signal and a high band signal; encoding the low band signal to obtain a low frequency encoding parameter; calculating a voiced degree factor, and predicting a high band excitation signal; weighting the high band excitation signal and random noise using the voiced degree factor, so as to obtain a synthesized excitation signal; and obtaining a high frequency encoding parameter based on the synthesized excitation signal and the high band signal. Technical solutions in the embodiments of the present invention can improve an encoding or decoding effect.
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