公开(公告)号：US10462376B2

公开(公告)日：2019-10-29

申请号：US15546959

申请日：2015-01-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong Wang ,  Yujie Chen ,  Lin Yang

IPC: H04N5/235 ,  H04N5/232 ,  G03B37/02 ,  H04N5/243

Abstract: An exposure method in panoramic photo shooting to resolve a problem that luminance of a composite picture in panoramic photo shooting is not smooth, where the method includes obtaining, by a terminal device, luminance values respectively corresponding to M pictures shot in advance and a luminance value of a current environment in which shooting is to be performed, where M is a positive integer, obtaining, by the terminal device by means of calculation according to the luminance values respectively corresponding to the M pictures shot in advance and the luminance value of the current environment in which shooting is to be performed, a luminance value of a picture to be shot, and performing, by the terminal device, exposure according to the luminance value of the picture to be shot.

公开(公告)号：US10200871B2

公开(公告)日：2019-02-05

申请号：US15492527

申请日：2017-04-20

Applicant: Huawei Technologies Co., Ltd.

Inventor： Tianjin Qian ,  Yong Wang ,  Zhuzhen Wang

IPC: G06F15/16 ,  H04W16/04 ,  H04W72/04 ,  H04W28/22

Abstract: A radio resource allocation method and a radio network controller. The method includes obtaining transmission rate information of a plurality of links at time points t1, t2, . . . , and tn, overall traffic volume information of the plurality of links in time periods T1, T2, . . . , and Tm, and radio resource use information of each wireless transmission unit (WTU) in the plurality of WTUs, predicting a first transmission rate of a first link at a time point tn+1 in a time period Tm+1 according to the transmission rate information of the plurality of links at t1, t2, . . . , and tn and the overall traffic volume information of the plurality of links in T1, T2, . . . , and Tm, and determining a path that can satisfy a transmission rate requirement of the first link, and allocating a radio resource of the first link.

公开(公告)号：US10135589B2

公开(公告)日：2018-11-20

申请号：US15255479

申请日：2016-09-02

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong Wang ,  Xiaohu Tang ,  Rui Ni

IPC: H04L5/00 ,  H04L27/26 ,  H04B7/04 ,  H04B7/0456

Abstract: Embodiments of the present disclosure provide methods and devices for inserting and extracting a pilot sequence according to a pilot mapping indicating a location for inserting the pilot sequence in a plurality of time-frequency resources. One example method includes inserting, by a transmitter according to pilot mappings corresponding to Nt transmit antenna ports by using Nt orthogonal pilot sequences that are different from each other, a pilot sequence corresponding to each of the transmit antenna ports into OFDM symbols that are included in the pilot mapping corresponding to the transmit antenna port. There is a one-to-one correspondence between the Nt pilot sequences and the Nt transmit antenna ports of the transmitter, where Nt is a positive integer greater than or equal to 2. The pilot mappings corresponding to the transmit antenna ports are the same among the Nt transmit antenna ports.

公开(公告)号：US12028842B2

公开(公告)日：2024-07-02

申请号：US17313762

申请日：2021-05-06

Applicant: Huawei Technologies Co., Ltd.

Inventor： Min Yan ,  Yong Wang ,  Xianfu Lei

IPC: H04W72/0453 ,  H04L5/00 ,  H04W72/0446 ,  H04W80/02

CPC classification number: H04W72/0453 ,  H04L5/003 ,  H04W72/0446 ,  H04W80/02

Abstract: This application provides a data transmission method and a communications apparatus. The method includes: generating, by an access point, a physical protocol data unit PPDU, where a data part of the PPDU is carried on at least one resource unit RU; sending, by the access point, the PPDU to at least one station by using a channel bandwidth, where the channel bandwidth includes M basic bandwidths, the basic bandwidth is 2.16 GHz, M is an integer greater than or equal to 1, and the M basic bandwidths are divided into the at least one RU; and parsing, by the station, the data part that is of the PPDU and that is carried on the at least one RU. In embodiments of this application, it can implement an OFDMA technology in a high-frequency scenario, and improve channel utilization and transmission efficiency.

公开(公告)号：US20230208625A1

公开(公告)日：2023-06-29

申请号：US18176289

申请日：2023-02-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong Wang ,  Jing Chen

IPC: H04L9/08

CPC classification number: H04L9/0833 ,  H04L9/085 ,  H04L9/0861 ,  H04L9/0891

Abstract: Embodiments of the present disclosure provide a communication method and apparatus, applied to nodes supporting short-range communication, for example, Bluetooth nodes or nodes in an in-vehicle short-range communication system. The method includes receiving an association request message from a second node and determining a group key of a first communication group. The first communication group is a communication group to which the second node belongs. The method further includes encrypting the group key of the first communication group, based on a shared key between a first node and the second node, to obtain a first protection key and sending a first association establishment message to the second node. The first association establishment message includes a first protection key.

公开(公告)号：US20230099065A1

公开(公告)日：2023-03-30

申请号：US18070203

申请日：2022-11-28

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong Wang ,  Jing Chen

IPC: H04W12/04 ,  H04W12/062

Abstract: Embodiments of this application provide a security authentication method and a related apparatus, applied to the field of short-range communication, and in particular, to cockpit domain communication. The method includes: A first node receives a first association request message from a second node, where the first association request message includes a first fresh parameter; and the first node obtains a first pre-shared key PSK, where the first PSK corresponds to an identity of the second node, the first PSK is a PSK generated based on a second fresh parameter from the second node and a third fresh parameter from the first node, and the first PSK is used to verify the identity of the second node. According to the embodiments of this application, communication security can be improved.

公开(公告)号：US20180020141A1

公开(公告)日：2018-01-18

申请号：US15546959

申请日：2015-01-27

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong Wang ,  Yujie Chen ,  Lin Yang

IPC: H04N5/235 ,  H04N5/232 ,  H04N5/243

CPC classification number: H04N5/2351 ,  G03B37/02 ,  G03B2207/00 ,  H04N5/23238 ,  H04N5/2352 ,  H04N5/2353 ,  H04N5/2356 ,  H04N5/243

Abstract: An exposure method in panoramic photo shooting to resolve a problem that luminance of a composite picture in panoramic photo shooting is not smooth, where the method includes obtaining, by a terminal device, luminance values respectively corresponding to M pictures shot in advance and a luminance value of a current environment in which shooting is to be performed, where M is a positive integer, obtaining, by the terminal device by means of calculation according to the luminance values respectively corresponding to the M pictures shot in advance and the luminance value of the current environment in which shooting is to be performed, a luminance value of a picture to be shot, and performing, by the terminal device, exposure according to the luminance value of the picture to be shot.

公开(公告)号：US09058171B2

公开(公告)日：2015-06-16

申请号：US13955235

申请日：2013-07-31

Applicant: HUAWEI TECHNOLOGIES CO., LTD.

Inventor： Yong Wang ,  Xiaoming Shi ,  Gang Li ,  Zhufa Shao

IPC: H03M1/12 ,  G06F1/32 ,  G06F3/05

CPC classification number: G06F1/3253 ,  G06F1/3287 ,  G06F3/05 ,  Y02D10/151 ,  Y02D10/171

Abstract: A data processing method, a data processing system, and relevant devices are provided, which are used to reduce system power consumption. The method in embodiments of the present invention includes: performing sampling on an analog signal to obtain an analog sample value; performing analog-to-digital conversion on the analog sample value to obtain a digital signal; dividing bits forming the digital signal into at least two bit groups; and turning off output of bits in at least one bit group if a preset turnoff condition is satisfied. A data processing system and relevant devices are further provided.

Abstract translation: 提供数据处理方法，数据处理系统和相关设备，用于降低系统功耗。 本发明实施例中的方法包括：对模拟信号进行采样以获得模拟采样值; 对模拟采样值执行模数转换以获得数字信号; 将形成数字信号的位分成至少两个位组; 并且如果满足预设的关闭条件，则关闭至少一个比特组中的比特的输出。 还提供了数据处理系统和相关设备。

公开(公告)号：US09035811B2

公开(公告)日：2015-05-19

申请号：US14564998

申请日：2014-12-09

Applicant: Huawei Technologies Co., Ltd.

Inventor： Yong Wang ,  Xiaoming Shi ,  Yulin Li

IPC: H03M1/00 ,  H03M1/12

CPC classification number: H03M1/123

Abstract: The present invention is applicable to the field of communication, and provides an analog digital data conversion method, an analog digital data convertor and an analog digital conversion chip. The method includes: converting multiple groups of analog data to multiple groups of digital data; performing frequency shift on the multiple groups of digital data, wherein the multiple groups of frequency shifted digital data are independently distributed within a first preset bandwidth; filtering the multiple groups of frequency shifted digital data to remove outband information; and distributing without overlap the filtered multiple groups of digital data within a second preset bandwidth. The method substantially reduces pressure of data transmission between the converter and an FPGA or ASIC, and effectively simplifying the design of a multiband receiver.

Abstract translation: 本发明可应用于通信领域，并提供模拟数字数据转换方法，模拟数字数据转换器和模拟数字转换芯片。 该方法包括：将多组模拟数据转换为多组数字数据; 对所述多组数字数据执行频移，其中所述多组频移数字数据在第一预置带宽内独立分布; 对多组频移数字数据进行滤波，去除带外信息; 以及在第二预设带宽内分配不重叠的经滤波的多组数字数据。 该方法大大降低了转换器与FPGA或ASIC之间的数据传输压力，有效简化了多频段接收机的设计。

公开(公告)号：US20130205155A1

公开(公告)日：2013-08-08

申请号：US13828577

申请日：2013-03-14

Applicant: Huawei Technologies Co., Ltd.

Inventor： Xueren Yang ,  Jianzhao Li ,  Wen Xiao ,  Yong Wang

IPC: G06F1/32

CPC classification number: G06F1/3234 ,  H04L12/12 ,  H04L49/40 ,  Y02D50/20 ,  Y02D50/40

Abstract: An apparatus for implementing low power consumption for data switching device includes a dormancy management module that controls an upper layer logic component in a device to enter a low power consumption state when a current state parameter of the device satisfies a preset dormancy configurationcondition; detects whether an energy consumption state of a transmission medium is active; and wakes up the upper layer logic component in the device to enter a normal working state if the energy consumption state of the transmission medium is active. When a preset condition is satisfied, upper layer logic components such as a CPU, a network processor and an optical module in the device, properly stop full-time operation to save energy.

Abstract translation: 一种用于实现数据切换装置的低功耗的装置包括休眠管理模块，当所述装置的当前状态参数满足预设的休眠配置条件时，控制装置中的上层逻辑组件进入低功耗状态; 检测传输介质的能量消耗状态是否有效; 并且如果传输介质的能量消耗状态是活动的，则唤醒设备中的上层逻辑组件以进入正常工作状态。 当满足预设条件时，设备中的诸如CPU，网络处理器和光模块的上层逻辑组件适当地停止全职操作以节省能量。