Industrial Technology Research Institute

Chih-Yu Chen

Jen-Yuan Hsu

Pang-An Ting

Hsien-Wen Chang

Cheng-Ming Chen

Chin-Hung Chen

Hsin-Hsin Shen

Chih-Chieh Huang

Pei-I Tsai

Kuo-Yi Yang

Shih-Hao Fang

Lih-Tao Hsu

Chun-Hsien Ma

Jeng-Liang Kuo

Jan-Shin Ho

Shiun-Yin Chang

Hui-Ting Huang

Cheng-Yi Wu

Meng-Hsueh Lin

A tissue repair device and a method for using the same are provided. The tissue repair device includes a body portion and at least one wire. The body portion includes an inner layer and an outer layer. The inner layer is close to a tissue, wherein the inner layer includes a hydrophilic structure, and the outer layer includes a hydrophobic structure. The wire is connected to the body portion to fix the body portion to the tissue.

Tissue repair device and method for using the same

A communication system and operating method thereof are provided. The communication system includes an intelligent antenna unit which includes a plurality of antennas, an antenna selecting unit, one or more signal processing units and a control unit. The control unit is configured to: set one or more antenna-sectors from the antennas, each of the antenna-sectors includes one or more antennas selected from the antennas. And set a plurality of antenna-sector configurations, each of the antenna-sector configurations includes one or more sectors configured to the signal processing units, wherein the sectors are selected from the antenna-sectors. The control unit selects one of the antenna-sector configurations to operate communication transmission of a user equipment, and each signal processing unit configured to each sector of the selected antenna-sector configuration operating beam sweeping based on a number of antenna beam deployed to the configured each sector.

Communication system and operating method thereof

A wireless communication device with hybrid beamforming and a control method thereof are provided. The wireless communication device includes a plurality of antennas, a beamforming digital circuit, a plurality of radio frequency (RF) chains, a beamforming analog circuit, a controller and a storage. The RF chains receive signals processed by the beamforming digital circuit to generate antenna signals. The RF chains are connected to a part or all of the antennas through the beamforming analog circuit to transmit the antenna signal to the corresponding antennas. The number of the RF chains is smaller than the number of the antennas. The storage stores a plurality of candidate analog codebooks. The controller selects one of the candidate analog codebooks as a selected analog codebook according to scenario or environmental information, and adjusts the beamforming analog circuit according to the selected analog codebook.

Wireless communication device with hybrid beamforming and control method thereof

In a multiple input multiple output (MIMO) wireless communication system, there is provided a method for error correction. The method includes receiving an original signal in an initial MIMO format, detecting an error in the original signal, and notifying a transmitter of the error detected in the original signal. The method also includes receiving a new retransmitted signal in a first retransmitted MIMO format, different from the initial MIMO format, the new retransmitted signal including at least a fraction of encoded bits of the original signal. The method also includes correcting the original signal by applying the new retransmitted signal to the original signal.

Systems and methods for multiple-input multiple-output communications systems

A symbol detector with a sphere decoding method implemented therein. A baseband signal is received to determine a maximum likelihood solution using the sphere decoding algorithm. A QR decomposer performs a QR decomposition process on a channel response matrix to generate a Q matrix and an R matrix. A matrix transformer generates an inner product matrix of the Q matrix and the received signal. A scheduler reorganizes a search tree, and takes a search mission apart into a plurality of independent branch missions, wherein the search tree defines a full search depth N. A plurality of Euclidean distance calculators are controlled by the scheduler to operate in parallel, wherein each has a plurality of calculation units cascaded in a pipeline structure to search for the maximum likelihood solution based on the R matrix and the inner product matrix.

Symbol detector and sphere decoding method

Growing community of inventors

Yilan County, Taiwan

Chih-Yu Chen