Huawei Technologies Co., Limited

International Business Machines Corporation

Tencent Technology (shenzhen) Company Limited

Huawei Device Co., Ltd.

Shenzhen Microbt Electronics Technology Co., Ltd.

Aac Optics (changzhou) Co., Ltd.

Changzhou Raytech Optronics Co., Ltd.

Ali Corporation

Beijing Kunshi Intellectual Property Management Co., Ltd.

Tencent Technology Company Limited

Dong Hai Yu

Hanyang Wang

Pengfei Wu

Liang Xue

Meng Hou

Jiaqing You

Chien-ming Lee

Chien-Ming Lee

Yao Dong Liu

Jun Wang

Wei Zhang

Zuoxing Yang

Jun Song Wang

Yuan Zhou

Guang Ya Liu

Jing James Xu

Lei Chen

Jianming Li

Zhijun Fan

Xiaowei Zhang

Guang Han Sui

Yan Wang

Lei Zhang

Xiao Ming Ma

Lei Gao

Xu Zhao

Xing Wei

Jing Min Xu

Bo Huang

Guoping Wu

Kai Lin Li

Jie Chen

Xue Ying Zhang

Ning Ma

Dan Su

Yu Chan Yang

Xuefei Zhang

Yun Yang

Lei Tian

Ji Hui Yang

Rui Zhang

Jiaqi Pan

Kun Feng

Chun Lei Xu

A Peng Zhang

Yanan Wang

Dawei Zhou

Lei Zhao

Lijun Ying

Jiang Bo Kang

Song Bo

Weixin Kong

Zhiyuan Xie

Shu Qing Yang

Jikang Wang

Xiaoli Yang

Chih Yu Tsai

Bo Song

Hangfei Tang

Rui Wang

Wenbo Tian

Chih-Hua Chang

Jiaming Wang

Long Long Cao

Yi-Hsiang Liao

Chuanbo Shi

Chih-Wei Hsu

Kexin Liu

Yiwen Gong

Wanxia Li

Kunpeng Wei

Yong Xu

Yafang Yu

Jin Wang

Zefeng Yang

Shiyin Kang

Jin Rong Wang

Lianwu Chen

Laiwei Shen

Le Chang

Meng Yu

Yanmin Qian

Jiahui Chu

Peng Xa Cui

Yuchan Yang

Qingbo Yu

Zhaocai Zeng

Ben Lai

Wingyip Lam

Mu Wang

Xiaopeng Liu

Jin Chi Jc He

Yen-Cheng Lai

Xiao Bin Sun

Weixiang Yu

An antenna includes a first radiator, a second radiator, and a feed. The first radiator has a first feed point and a first ground point. The second radiator has a second feed point and a second ground point. The antenna further includes a connection line. The connection line has a first end and a second end that are opposite to each other. The first end is coupled to the first feed point of the first radiator, and the second end is coupled to the second feed point of the second radiator. A feeding point is disposed on the connection line, and the feeding point is coupled to the feed.

Antenna and terminal

One or more computer processors calculate a cache prediction for a received inference request within an inference cache structured as a self-learning tree, wherein the inference request comprises a set of input values. The one or more computer processors responsive to the retrieved cache prediction exceeding a cache prediction threshold, transmit the cache prediction. The one or more computer processors parallel compute a model prediction for the received inference request utilizing a trained model. The one or more computer processors responsive to the retrieved model prediction exceeding a model prediction threshold, convert the trained model into a tree structure. The one or more computer processors update the inference cache with the converted train model. The one or more computer processors transmit the model prediction.

Efficient machine learning model inference

A computer-implemented system, platform, programing product, and/or method for improving transformation selection in an ensemble machine learning (ML) model that includes: providing all base ML models of the ensemble ML model; identifying all of a plurality of Derived Fields in all the base ML models; performing a Derived Field run prediction analysis for all the Derived Fields; computing the Derived Field Importance Weight for Field (DFIW4F) and the Derived Field Importance Weight for Model (DFIW4M) for all the Derived Fields; clustering all the Derived Fields into a plurality of Derived Field clusters, wherein each Derived Field cluster is based upon the DFIW4M and the DFIW4F for the Derived Field; sorting all the Derived Field clusters by best cluster based upon DFIW4M and DFIW4F; and running the base ML models based upon the Derived Fields in the best Derived Field cluster until sufficient base ML models have been run.

System and method for efficient transformation prediction in a data analytics prediction model pipeline

An antenna is provided, which includes: a main stub, a first parasitic stub, and a second parasitic stub. The first parasitic stub and the second parasitic stub are respectively arranged on two sides of the main stub. The first parasitic stub and the second parasitic stub are configured to excite resonances to improve main resonance efficiency or expand bandwidth. A frequency of the resonance excited by the first parasitic stub is greater than a frequency of a resonance excited by the main stub. A frequency of the resonance excited by the second parasitic stub is less than the frequency of the resonance excited by the main stub.

Antenna and mobile terminal

An antenna apparatus used in an electronic device having a flexible display, the flexible display can be bent at a rotating shaft, the flexible display includes a primary screen and a secondary screen respectively configured on two sides of the rotating shaft. The antenna apparatus may include a first metal strip disposed on the primary screen frame close to one end of the rotating shaft, and a second metal strip disposed on the secondary screen frame close to the same end of the rotating shaft. The first metal strip may be implemented as a plurality of antennas through dual-feed design. When the flexible display is in a folded state, the second metal strip may be coupled to the first metal strip to generate radiation. In this case, the second metal strip may be used as a parasitic antenna of the first metal strip.

Antenna apparatus and electronic device

A method includes displaying a virtual map of a virtual environment including an identification of a first virtual object and an identification of a second virtual object in the virtual environment, and displaying a hot zone display element on the virtual map in response to a determination that the first virtual object interacts with the second virtual object. The hot zone display element indicates a map area in which the first virtual object interacts with the second virtual object. The method further includes displaying a visual field picture of the virtual environment from a perspective of the first virtual object or the second virtual object in response to a trigger operation on the hot zone display element.

Displaying visual field picture based on interaction zone on a virtual map

An example antenna system includes a first antenna including a strip-shaped antenna radiator. The antenna radiator has a first end and a second end. At least one of a first radiator section in which the first end is located or a second radiator section in which the second end is located is used as a radiator of a second antenna. One of two first filters is connected between the first antenna radio frequency source and an antenna feed point, and the other first filter is connected between a ground and an antenna ground point. One of two second filters is connected between the second antenna radio frequency source and at least one of the first radiator section or the second radiator section, and the other second filter is connected between the ground and at least one of the first radiator section or the second radiator section.

Antenna system and electronic device

This application provides an antenna unit and an electronic device. A signal at a C-mode port and a signal at a D-mode port of a same loop antenna in any antenna unit are respectively excited by using two feeds, and the antenna unit is electrically symmetrically disposed, so that the signal at the C-mode port is self-cancelled at the D-mode port, and the signal at the D-mode port is self-cancelled at the C-mode port, to implement signal isolation between the two ports and interference self-cancel, and the signal at the C-mode port and the signal at the D-mode port can be complementary to each other in different radiation directions, to implement two antennas with high isolation and a low envelope correlation coefficient ECC based on the same loop antenna.

Antenna unit and electronic device

An antenna structure including a slot antenna and a wire antenna is disposed, and the antenna structure is excited to generate four antenna modes: a common mode slot antenna, a differential mode slot antenna, a common mode wire antenna, and a differential mode wire antenna in a symmetric feed manner and an anti-symmetric feed manner.

Electronic device with multiple antenna modes

An antenna apparatus and an electronic device. The antenna apparatus includes a feed source, a transmission line, a first radiator including a first feed point, and a second radiator including a second feed point. The transmission line is electrically connected to the feed source. A second end part of the second radiator is disposed away from the first radiator compared to the first end part of the second radiator, a first gap is formed between the first end part of the first radiator and the first end part of the second radiator, the first end part of the first radiator is a ground end, and the first end part of the second radiator is an open end. The two feed points are electrically connected to the transmission line, and the transmission line input a radio frequency signal in a same frequency band to the two feed points.

An electronic device comprises a first radiator coupled to a second radiator. One end of a second branch of the second radiator is connected between a head end and a tail end of a first branch of the second radiator. The other end of the second branch is connected between a head end and a tail end of a third branch of the second radiator. A projection of a reference face of the first branch on the first radiator is a first projection. The first projection partly overlaps the first radiator, or a distance between the first projection and the first radiator is within a range of 0 to 3 millimeters. A ratio of a first center distance between an end face of the third branch and the reference face, and a second center distance between the other end face of the third branch and the reference face is within a range of 0.5 to 2.

Electronic device

A foldable electronic device includes a first device body, a second device body, an earpiece, an antenna, and a first switch control circuit. The antenna includes a main radiator and a first parasitic radiator. The main radiator is disposed on the first device body, and the first parasitic radiator and the earpiece are disposed on the second device body. When the foldable electronic device is in a folded state, the main radiator is disposed relative to the first parasitic radiator at a first interval and is coupled to the first parasitic radiator through the first interval. The first switch control circuit includes a first switch component and a plurality of different first matching branches disposed in parallel connection. One end of the first switch control circuit is connected to a ground of the second device body, and the other end is connected to the first parasitic radiator.

Foldable electronic device

An electronic device includes an antenna unit having an antenna body having a feed point and a ground point between a first end and a second end. The antenna body has an operating band with a resonance of a first wavelength. An electrical length of the antenna body from the feed point to the ground point is greater than or equal to ¼ and less than ½ of the first wavelength. An electrical length from the first end to the feed point is greater than or equal to ⅛ and less than or equal to ¼ of the first wavelength. An electrical length from the second end to the ground point is greater than or equal to ⅛ and less than or equal to ¼ of the first wavelength. The antenna body is adapted to operate in a slot mode and in a wire mode.

An antenna apparatus includes a circuit board and an antenna body. The antenna body includes a first radiator and a second radiator that are indirectly coupled. The first radiator comprises a first stub and a second stub that are opposite to, but do not touch each other to form a first gap, the first stub and the second stub are located on a first side edge of the circuit board, a second gap is configured between the first stub and the first side edge, and also between the second stub and the first side edge. The second radiator is located on the circuit board to form a third gap in-between. A vertical projection of the second radiator is located on the first surface. The first stub and the second stub are electrically connected to reference ground of the circuit board separately.

In an antenna design, a metal frame of an electronic device and a printed circuit board (PCB) form a slot antenna radiator, where two common mode (CM) slot antenna modes of the slot antenna radiator are excited through anti-symmetrical feeding, so that when dual resonances and wideband coverage are implemented, specific absorption ratio (SAR) values in the two CM slot antenna modes are close.

Growing community of inventors

Xi'an, China

Dong Hai Yu