Wistron Neweb Corporation

Horen Chen

Ya-Ping Wei

Tsun-Che Huang

Chieh-Wen Cheng

Chui-Chu Cheng

Shoou-Hann Huang

Fu-Ming Kang

Chih-Hsiang Liu

Yi-An Chen

Chia-Hsiang Wang

Ying-Hui Huang

Chun-Hsiung Chuang

Wang-Hsing Huang

Hao-Ming Liang

Huai-Ming Chang

Li-Heng Su

Nai-Yu Tseng

Chuan-Yin Chang

A communication equipment receives a plurality of network sessions and includes a memory and a processor. The memory stores a plurality of software modules. The processor is connected to the memory and configured to implement the following steps. A network session inferring step is performed to execute an inference software module, and the inference software module processes at least one network packet of each of the network sessions and a packet characteristic module according to a machine learning algorithm to infer a priority level. An adaptive priority list establishing step is performed to execute a classification software module, and the classification software module establishes an adaptive priority list according to the priority levels of the network sessions. The communication equipment transmits the network packets of each of the network sessions to a network according to the adaptive priority list so as to set QoS of the network sessions.

Communication equipment and adaptive quality of service setting method thereof

An event detection method is for detecting if an event being predetermined exists in a detected environment, in which a first wireless unit, at least one second wireless unit wirelessly communicating with the first wireless unit, and at least one cooperating detection device are disposed. The event detection method includes a live CSI data obtaining step, a live CSI data reducing step, a cooperating data obtaining step and an event determining step. The live CSI data reducing step includes reducing a size of a plurality of live CSI data to generate a plurality of preprocessed live CSI data. The event determining step includes inputting the preprocessed live CSI data to an event classifier and processing a plurality of cooperating data to determine if the event exists.

Event detection method and system thereof

A connection establishing system and method for a mesh network is provided, the mesh network includes a first transceiver and a second transceiver, the method includes performing a secure connection procedure including: transmitting, by the second transceiver, a secure connection request signal including a identifier to the first transceiver. The first transceiver encrypts the authentication message by using a public key corresponding to the identifier to generate a secure connection response signal and transmit the same to the second transceiver, the second transceiver decrypts the secure connection response signal by a private key to generate a decryption message and transmits an association request signal including the decryption message to the first transceiver. The first transceiver receives the association request signal, and determines whether the decryption message matches with the authentication message; if so, the first transceiver is allowed to establish a secure connection with the second transceiver.

Connection establishing system and method for mesh network

A wireless communication system includes a base station, a customer premise equipment (CPE) and a repeater. The repeater includes a down-link circuit and an up-link circuit. The down-link circuit includes a first receiving antenna array and a first transmitting antenna array, and the up-link circuit includes a second receiving antenna array and a second transmitting antenna array. The down-link circuit is separated from the up-link circuit with a first predetermined distance.

Wireless communication system

An indoor event detection system includes a transmitter and a receiver. The transmitter includes a first antenna, and the receiver includes a second antenna, a processor and a memory. The receiver communicates with the transmitter based on a line of sight link between the transmitter and the receiver covering an area to be detected in the indoor space. The processor detects whether an event associated to the indoor space is occurred by obtaining a current CSI from the probe signal, obtaining an amplitude matrix by extracting a plurality amplitudes of a plurality of sub-carriers from the current CSI, applying a statistical operation on the amplitude matrix to obtain a statistical matrix, obtaining a plurality of eigenvalues from the statistical matrix, obtaining a current eigenvalue statistical value according to the plurality of eigenvalues; and determining whether the current eigenvalue statistical value is within the first eigenvalue range.

Indoor event detection system and method

A repeater includes an up-link circuit and a down-link circuit. The down-link circuit includes a receiver, a radio frequency circuit and a transmitter. The transmitter transmits the repeated second signals to the user equipment and includes an antenna array, a plurality of power amplifiers, a plurality of first phase shifters, a first memory unit, and a first control logic circuit. The antenna array includes a plurality of antenna elements arranged along a first direction, and the number of the plurality of antenna elements is at least four. The first memory unit is configured to store predetermined parameters associated with a predetermined radiation pattern. The first control logic circuit selects a first number of the power amplifiers and the first number of the first phase shifters, and sets normalized gains for the selected plurality of power amplifiers range from 0.7 to 1 unit.

Repeater and radiation pattern forming method for the same

A repeater includes a donor device, a service device, a control board circuit and a processing circuit. The repeater provides beam selection mechanisms applicable to several scenarios for base stations and CPE, in which an adaptive gain control mechanism can be utilized to reduce oscillations in a down-link circuit and an up-link circuit of the control board circuit.

Repeater

Conduit leakage detection system and method are provided. The system includes a first detection unit, a processor, and a memory. The first detection unit includes a first transceiver and a second transceiver communicates with the first transceiver to detect a conduit. The first transceiver sends a first probe signal toward a first direction, and the second transceiver is configured to receive the first probe signal. The memory stores a first preset channel state information (CSI), and the first preset CSI including a first CSI and a first normal CSI. The processor obtains a first current CSI from the first probe signal by performing a time-reversal process, and compares the first current CSI to the first preset CSI. When the first CSI is matched to the first current CSI, a first conduit leakage event associated with the conduit is determined to be occurred.

Conduit leakage detection system and method

A repeater includes a donor device, a service device, a down-link circuit and an up-link circuit. The donor device includes a first receiving antenna array, a first transmitting antenna array and a first antenna controller. The first receiving antenna array and the first transmitting antenna array are disposed on a first substrate having a first normal direction. The service device includes a second transmitting antenna, a second receiving antenna and a second antenna controller. The second transmitting antenna and the second receiving antenna are disposed on a second substrate having a second normal direction. The first normal direction is different from the second normal direction, and the first receiving antenna array and the first transmitting antenna array are orthogonally polarized with each other.

A wireless mesh network topology map management method includes: deploying a main AP and a first AP; establishing a connection between the first AP and the main AP; executing a positioning procedure to obtain a first coordinate of the first AP relative to the main AP; deploying a second AP; establishing a connection between the second AP and one of the main AP and the first AP; executing the positioning procedure to obtain a second coordinate of the second AP relative to the main AP; establishing a wireless mesh network topology map based on the first and second coordinates; and controlling the second AP to establish a connection with one of the main AP and the first AP that has the shortest distance relative to the second AP based on the wireless mesh network topology map.

Wireless mesh network topology map management method based on positioning technique

A detection device for communicating with an external device includes a smart antenna, a storage device, and a processor. The smart antenna is capable of switching between a plurality of antenna modes. In each of the antenna modes, the smart antenna transmits a test datum and receives a feedback datum according to the test datum, the processor performs a time reversal algorithm to the feedback datum so as to obtain a time reversal datum, the processor calculates an indicator according to the feedback datum and the time reversal datum, and the storage device stores the feedback datum, the time reversal datum, and the indicator. The processor compares all of the indicators with each other and controls the smart antenna to select the final mode of the antenna modes according to a comparison between all of the indicators.

Detection device and detection method

A time-reversal indoor detection system and method are provided. The system includes an anchor node device, an access point (AP) device, and a first electronic device. The first wireless communication circuit of the anchor node device is configured to send a probe signal, a third wireless communication circuit of the access point device is configured to receive the probe signal, a processor is configured to obtain a current CSI from the probe signal, and to compare the current CSI to a preset CSI, and when a first CSI included in the preset CSI is matched to the current CSI, a second wireless communication circuit of the anchor node device is configured to activate at least one function of a first electronic device through a second communication protocol.

Time-reversal indoor detection system and method

A structure detection system and method for detecting anomalies associated with the structure are provided. The system includes a first transceiver, a second transceiver, and a processor. In a first TR test, the second transceiver receives a first probing signal sent from the first transceiver and performs a time-reversal (TR) process to generate a first TR signal to be sent to the first transceiver, and a first channel state information (CSI) is obtained in response to the first TR signal. In a second TR test, the first transceiver receives a second probing signal sent from the second transceiver and performs the TR process to generate a second TR signal to be sent to the second transceiver, a second CSI is obtained in response to the second TR signal. The processor compares a combination of the first CSI and the second CSI to a reference CSI for detecting anomalies.

Anomalies detection system and method for structure

Wireless communication system and method having automatic self-configuration mechanism are provided. The method including configuring a first transceiver to perform a wireless network scan process to obtain a channel status report by executing a wireless network scan program, configuring the first transceiver to select one of the plurality of channels with the channel loading lower than a channel loading threshold, configuring the first transceiver to send a sounding signal to a second transceiver through the selected one of the plurality of channels, configuring the second transceiver to obtain channel status information (CSI) associated to the selected channel from the sounding signal; and configuring the second transceiver to determine whether a total data amount of the CSI is larger than a data amount threshold.

Wireless communication system and method having automatic self-configuration mechanism

A radio frequency signal processing method for a wireless communication device, which includes an omni-directional antenna and a plurality of directional antennas, includes receiving a request signal from a first sending node with the omni-directional antenna, sending a confirming signal to the first sending node with the omni-directional antenna, receiving a data signal from the first sending node with a first directional antenna of the plurality of directional antennas according to the request signal and a result of a training packet process, transmitting an acknowledge signal to the first sending node with the first directional antenna, and receiving follow-up signals with the omni-directional antenna. The request signal is utilized to ask the wireless communication device to receive the data signal.

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Hsinchu, Taiwan

Horen Chen