-
公开(公告)号：US10819850B2
公开(公告)日：2020-10-27
申请号：US16097159
申请日：2016-04-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Zaishang Wang , Lei Chen , Junfeng Su
Abstract: A call switching method includes: when a first terminal device detects an input operation that is of initiating a call request to a second terminal device, or when a first terminal device receives a first call request that is initiated by a second terminal device by using a second-type communications network, detecting whether both the first terminal device and the second terminal device are in a first-type communications network; and when the first terminal device detects that both the first terminal device and the second terminal device are in the first-type communications network, initiating a second call request to the second terminal device by using the first-type communications network, or sending first prompt information to the second terminal device.
-
公开(公告)号：US10779244B2
公开(公告)日：2020-09-15
申请号：US16673422
申请日：2019-11-04
Applicant: Huawei Technologies Co., Ltd.
Inventor： Fengwei Liu , Lei Chen , Jing Qiu
Abstract: A power headroom transmission method and a device are provided. The transmission method is applied to a terminal device that supports use of two different types of waveform for data transmission, the terminal sends a first power headroom information and ΔM, wherein the first power headroom information is used to indicate power headroom of the terminal device when data is transmitted by using the first waveform, ΔM is a difference between a first maximum power and a second maximum power of the terminal device, the first maximum is a maximum power when using the first waveform, the second maximum is a maximum power when using the second waveform.
-
公开(公告)号：US10582500B2
公开(公告)日：2020-03-03
申请号：US15928069
申请日：2018-03-21
Applicant: HUAWEI TECHNOLOGIES CO., LTD.
Inventor： Yalin Liu , Guangzhu Zeng , Lei Chen
Abstract: A sub-band scheduling method, including: sending, to a base station on a source sub-band, a first message that carries information about a data attribute requirement of to-be-transmitted data, where the information about the data attribute requirement includes at least one of the following: a transmission delay, a transmission delay type, a data bandwidth requirement, or a packet loss sensitivity; receiving, on the source sub-band, a second message that carries sub-band information of a target sub-band, where the target sub-band is a sub-band that is scheduled by the base station and that meets the data attribute requirement of the to-be-transmitted data, and the sub-band information includes at least one of the following: a sub-band number, a sub-band frequency channel number, a timing advance, an uplink resource allocated by the base station, a sub-band sending power level, or a bandwidth; and transmitting data on the target sub-band according to the sub-band information.
-
公开(公告)号：US20200068623A1
公开(公告)日：2020-02-27
申请号：US16674591
申请日：2019-11-05
Applicant: Huawei Technologies Co., Ltd.
Abstract: This application discloses a resource configuration method and an apparatus. The method includes: obtaining, by a terminal device, configuration information, where the configuration information includes at least one piece of the following information: random access resource configuration information and downlink signal parameter information; and accessing, by the terminal device, a network device based on the configuration information. A corresponding apparatus is also disclosed.
-
135.发明申请公开(公告)号：US20200045748A1
公开(公告)日：2020-02-06
申请号：US16600279
申请日：2019-10-11
Applicant: Huawei Technologies Co., Ltd.
Inventor： Mao Yan , Lei Chen , Huang Huang
Abstract: This application discloses a random access method; the random access method includes: sending a random access preamble to a network device; receiving a random access response from the network device according to a random access radio network temporary identifier (RA-RNTI); wherein: the RA-RNTI is related to a group index of a random access occasion group to which a random access occasion of the random access preamble belongs. This application further discloses a corresponding random access response method, terminal device, and network device.
-
Patent Agency Ranking
公开(公告)号：US20190173653A1
公开(公告)日：2019-06-06
申请号：US16272914
申请日：2019-02-11
Applicant: Huawei Technologies Co., Ltd.
Abstract: The present disclosure discloses a communication method and a communications apparatus. The method includes: determining, by a first communications device, a first subcarrier spacing corresponding to a first subband; and performing, by the first communications device, signal transmission on the first subband with a second communications device based on the first subcarrier spacing; or determining, by a first communications device, a second subcarrier spacing corresponding to a second subband; and performing, by the first communications device, signal transmission on the second subband with a second communications device based on the second subcarrier spacing. The first subcarrier spacing is different from the second subcarrier spacing, and both the first subcarrier spacing and the second subcarrier spacing are integral multiples of a basic frequency spacing; and both bandwidth of the first subband and bandwidth of the second subband are integral multiples of the basic frequency spacing.
-
公开(公告)号：US20180027463A1
公开(公告)日：2018-01-25
申请号：US15719806
申请日：2017-09-29
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lei Chen , Xiaotong Wang
CPC classification number: H04W36/08 , H04W36/0061 , H04W36/36 , H04W48/16 , H04W84/12
Abstract: A communication connection control method and a device, with the device configured to, when the device finds that communication service quality provided by an optimal wireless fidelity (Wi-Fi) access point is better than communication service quality provided by a currently connected Wi-Fi access point, the device automatically disconnects from the currently connected Wi-Fi access point, and initiates a connection request to the optimal Wi-Fi access point.
-
138.发明申请公开(公告)号：US20170272137A1
公开(公告)日：2017-09-21
申请号：US15604387
申请日：2017-05-24
Applicant: Huawei Technologies Co., Ltd.
Inventor： Daiming Qu , Jun Li , Tao Jiang , Lei Chen
IPC: H04B7/0456 , H04B15/00 , H04B7/06
CPC classification number: H04B7/0456 , H04B7/04 , H04B7/06 , H04B15/00 , H04L1/0606 , H04L1/0618 , H04L1/0668 , H04L27/264
Abstract: The present invention provides an FBMC transmit diversity transmission method and apparatus. The method includes: obtaining a to-be-transmitted data sequence, where the to-be-transmitted data sequence includes 2*M*N pieces of data; performing transmit diversity processing on the to-be-transmitted data sequence to obtain FBMC signals of a first antenna and a second antenna, where a precoding matrix is (I) or (II), a matrix that includes the FBMC signals of the first antenna and the second antenna is (III), a matrix that includes the to-be-transmitted data sequence is (IV), 0≦i≦M−1, 0≦j≦N−1, Y=WX, the 2*M*N pieces of data of the to-be-transmitted data sequence are denoted by x(0)(k,l) and x(1)(k,l), 0≦k≦M−1, 0≦l≦N−1, FBMC signals of the first antenna and the second antenna on an rth subcarrier and an sth symbol are denoted by y(0)(r,s) and y(1)(r,s), 0≦r≦2M−1, and 0≦s≦N−1; and transmitting the FBMC signals of the first antenna and the second antenna.
-
139.发明申请公开(公告)号：US20170265208A1
公开(公告)日：2017-09-14
申请号：US15610002
申请日：2017-05-31
Applicant: Huawei Technologies Co., Ltd.
Abstract: Embodiments of the present invention provide a method for performing communication by using a spectrum resource, and a communications device. The method includes: determining, by a first communications device in a first communications system, a first sub-timeslot and a second sub-timeslot in a unit timeslot; and performing, by the first communications device, communication in the first sub-timeslot by using a spectrum resource at a priority higher than that of a second communications device in a second communications system, where a priority at which the first communications device uses the spectrum resource in the second sub-timeslot is lower than a priority at which the second communications device uses the spectrum resource in the second sub-timeslot. The embodiments of the present invention can improve utilization of spectrum resources.
-
公开(公告)号：US20170193632A1
公开(公告)日：2017-07-06
申请号：US15313866
申请日：2014-05-27
Applicant: Huawei Technologies Co., Ltd.
Inventor： Lei Chen
IPC: G06T3/20 , G06F3/0484
CPC classification number: G06T3/20 , G06F3/04845 , H04M1/72552 , H04N5/76 , H04N9/804 , H04N21/41407 , H04N21/42224 , H04N21/4394 , H04N21/4532
Abstract: Embodiments of the present invention provide a media file processing method and apparatus. The media file processing method in the present invention includes: specifying input event information and identification ID information corresponding to the input event information; decoding data of a preset length in a media file corresponding to the input event information, and storing, in a specified memory, pulse code modulation PCM data obtained by means of decoding and ID information corresponding to the media file; receiving first input event information of a user, and determining first ID information according to the specified input event information and the ID information corresponding to the input event information; and acquiring, from the memory according to the first ID information, first PCM data corresponding to the first ID information, and playing the first PCM data.
-
-
-
-
-
-
-
-
-
Search Results
238
records
(took 0.034 seconds)
