Abstract: A method for loopback detection includes: receiving a loopback detection frame by a port; detecting and determining whether the loopback detection frame is transmitted via the port; analyzing the loopback detection frame and determining whether a loopback has occurred in a network device when the loopback detection frame is transmitted via the port; when the loopback has occurred, determining the loopback has occurred in which of one or more virtual local area networks (VLANs) that the port joins in; blocking the VLAN(s) that the port transmitting the loopback detection frame joins in and in which the loopback occurred, for the port being unable to transmit any packet in the blocked VLAN(s); and when the loopback has not occurred, dropping the loopback detection frame.

Abstract: A testing system and method are provided. The testing system includes a terminal device (Optical Line Terminal, OLT) which is configured to provide an optical signal, an optical attenuator which is configured to generate an attenuation optical signal according to the optical signal, a tested device which is configured to generate an analog-to-digital (AD) value corresponding to the attenuation optical signal, and a test-managing device which is configured to receive the analog-to-digital (AD) value and generate calibration values according to the analog-to-digital (AD) value and the attenuation optical signal and transmit the calibration values to the tested device to test the tested device.

Abstract: A method and a system for rendering a widget are provided. The method is used in an electronic device and includes: receiving a display size of a display unit; comparing the display size of the display unit with a lookup table and obtaining the display size of the widget and a user interface; determining whether the display size of the display unit needs to be adjusted to the display size of the widget; re-adjusting the display size of the display to the display size of the widget according to the obtained display size of the widget when determining that the display size of the display unit needs to be adjusted to the display size of the widget; and rendering the widget.

Abstract: A data transmission method and network system are provided. The data transmission method is applied to a data center when a data packet can't be transmitted from the first virtual machine of a first server to the second virtual machine of a second server due to the data center occurring lookup fail. The data transmission method includes the steps of transmitting the data packet through a downlink port of a first TOR switch according to an ISID; encapsulating the data packet and setting a CVID to a first value; transmitting the encapsulated data packet to a first spine switch; and transmitting the encapsulated data packet to the second virtual machine by the first spine switch according to the flooding information, wherein the flooding information is generated according to an f-BVID.

Abstract: A wireless network device includes an antenna array and a lobe interleaver. The antenna array includes a plurality of antenna elements with different squint angles. The lobe interleaver is coupled to the antenna elements and has a plurality of output lobe ports. The lobe interleaver divides and interleaves the radio signal of the antenna array with the same phase and the same power to generate a plurality of lobes with different squint angles. The number of lobes is twice the number of antenna elements.

Abstract: A method for determining a maximum segment size is disclosed. The method is used in an access point. The method includes: detecting a first MSS value between the access point and at least one device; setting a TCP MSS value of at least one TCP session established by the access point as a second MSS value; comparing the first MSS value with the second MSS value, and choosing a minimum value among the first MSS value and the second MSS value as a maximum value; and recording all the MSS values between the access point and the subsequent devices and the maximum value into a device MSS table.

Abstract: A network device and network device recognition method are provided. The method includes: receiving a Continuity Check Message (CCM) by a local Maintenance Association End Point (MEP); determining whether the CCM is transmitted from an unknown remote MEP; setting the unknown remote MEP to a dynamic MEP if the CCM is transmitted from the unknown remote MEP; and recording the dynamic MEP and the receiving count of the CCM corresponding to the dynamic MEP in a storage unit.

Abstract: An apparatus and a method of controlling clock signals for a master device and a slave device are disclosed. The controlling apparatus includes: a first connection port coupled to a first clock line of the master device; a second connection port coupled to a second clock line of the slave device; and a control module receiving a first clock signal from the master device via the first connection port, producing a second clock signal according to the first clock signal, and transmitting the second clock signal to the slave device via the second connection port; wherein when the first clock signal is switched from a first logic level to a second logic level, the control module controls the first connection port to maintain the second logic level in a time interval.

Abstract: A method and system for auto provisioning a data center network having a plurality of switches interconnected in a folded Clos topology includes each switch advertising information about itself to neighboring switches and locally storing received information. The configuration server queries information stored by one switch and uses a predefined protocol and the information stored by the one switch to query each switch neighboring the one switch about the information stored locally by the each switch neighboring the one switch to generate a database having topology information of the data center network. Configuration settings for each switch in the data center network are generated, with each generated configuration setting corresponding to one switch. The configuration server uses the predefined protocol and the database having topology information of the data center network to send the configuration settings to the corresponding one switch for each switch in the data center network.

Abstract: A network device of an optical network terminal (ONT) includes an optical communication interface, an input interface, a memory and a processor. Wherein the optical communication interface transmits optical signals with adjusted transmission power; the input interface is used to input a distance; the memory stores a plurality of distances, and a plurality of databases respectively correspond to the distances; the processor electrically connects to the optical communication interface, input interface and the memory, and is used to access the database in the memory corresponding to the inputted distance, and then adjust the transmission power of the optical communication interface according to the content in the database. In addition, a method of adjusting the power of optical signals is further provided in this invention.

Abstract: A communication apparatus includes a first communication module, a second communication module, an antenna module and a filtering module. The first communication module transmits and receives a first RF signal on a first channel. The second communication module transmits and receives a second RF signal on a second channel. The antenna module includes multiple antennas for transmitting and receiving the first and second RF signals. The filtering module is coupled between the first and second communication modules and the antenna module. The filtering module filters the first RF signal according to a first frequency response, and it filters the second RF signal according to a second frequency response to ensure the first RF signal and the second RF signal do not interfere with each other.

Abstract: An embodiment of a method for adaptive multi-antenna selection, executed by an AP (access point), which contains at least the following steps. After a data transmission request or a data receipt request is received from a client station, it is determined whether the client station is the first time connected client station within a predetermined time interval. If the client station is the first time connected client station, a first antenna combination is selected to transmit/receive data with the client station using a first antenna selection procedure. If the client station is not the first time connected client station, a second antenna combination is selected to transmit/receive data with the client station using a second antenna selection procedure.

Abstract: A method for loop detection and a network device applying such method are provided. The method includes: receiving, by a port, a loop detection frame; detecting, by a loop detection unit, whether the loop detection frame is transmitted via a port of the network device; analyzing, by a frame analyzer unit, the loop detection frame when the loop detection frame is transmitted via the port, and determining whether there is any loop in the network device; and shutting down the port of the network device or not perform any action, by a port switching unit when the frame analyzer unit determines that there is a loop in the network device, wherein the loop detection frame is a loop detection protocol data unit (LDPDU) frame.

Abstract: A method for controlling packet priority is disclosed. The method is used in an access point and includes: associating with a station (STA) by a virtual access point (VAP) of an access point (AP), wherein an packet priority queue is applied in the STA initially; transmitting a configuration beacon frame to the STA by the VAP; reconfiguring the packet priority queue of the STA according to the configuration beacon frame; and transmitting an uplink data packet by the STA following the packet priority queue of the STA after receiving the configuration beacon frame from the VAP.

Abstract: A method for automatically establishing a wireless network used in a wireless access point (AP) device is provided. The method comprises the steps outlined below. A first virtual AP unit is activated and operated in a provisional station mode according to a default configuration. The AP device determines whether the wireless AP device is connected to an access controller (AC), if the wireless AP device and the AC are connected, the wireless AP device communicates with the AC to perform a configuring process according to a retrieved configuration to activate a second virtual AP unit. The wireless AP device operates the second virtual AP unit in a configured mode and operates the first virtual AP unit in a provisional AP mode.

Abstract: A portable electrical apparatus includes a sensor, a micro-controller, and a wireless positioning module. The sensor is configured for sensing a movement of the portable electrical apparatus to generate a sensing signal. The micro-controller is configured for receiving the sensing signal and comparing a threshold value with a sensing value corresponding to the sensing signal. The wireless positioning module is configured for positioning the portable electrical apparatus to generate a plurality of position data corresponding to a location of the portable electrical apparatus. When the sensing value is greater than the threshold value, the micro-controller loads the position data generated within a predetermined period, which is right after the sensing value being greater than the threshold value, compares the loaded position data with each other, and an alarm signal is sent out according to a comparison result.

Abstract: An antenna mount includes a main member, a first contacting member, a second contacting member, and a driving member. The main member has a chamber therein to receive the first contacting member, the second contacting member and the driving member. The first contacting member electrically connects to a signal wire of a cable for signal transmission, and the main member electrically connects to a ground wire of the cable. Two ends of the second contacting member are respectively connected to the main member and contacted with the first contacting member, wherein the second contacting member has a predetermined resistance. Once a connector of an antenna is engaged, the driving member is moved to separate the second contacting member and the first contacting member; and when the connector of the antenna is disengaged, the second contacting member contacts with the first contacting member again as a protective circuit.

Abstract: A wireless signal access apparatus receives wireless signals of IEEE 802.11 standard for controlling at least one appliance. The appliance may receive control signals of IEEE 802.15 standard, to be controlled according to the control signals. The wireless signal access apparatus receives the wireless signals having control data to generate the control signal of IEEE 802.15 standard, and send it to the appliance for omnidirectional remote control of the appliance.

Abstract: An antenna includes an oscillating member and a grounding member arranged toward each other. The oscillating member includes a main body and a first extending section. The first extending section is projected from a first end of the main body toward the grounding member. The grounding member includes a main body, a second extending section, a third extending section, a fourth extending section and a grounding section. The second extending section is projected from a third end of the main body toward the oscillating member; the third extending section is projected from a fourth end of the main body toward the oscillating member; the grounding section is projected from the main body toward the oscillating member. The second extending section is the only one to electrically connect the oscillating member and the grounding member. The grounding section has a grounding point as a ground of the antenna.

Abstract: An identifying system includes a master device having a lighting member for emitting light and an optical sensor for sensing light, and a slave device having a light guiding member with a light entering portion and a light sensing portion. The light entering portion receives the light from the lighting member, and the light sensing portion is located in a working range of the optical sensor. When the slave device is connected to the master device, the light of the lighting member enters the light guiding member via the light entering portion, and is guided to the light sensing portion.