Abstract: A transceiver includes an antenna, an impedance adjustment device, an RF (Radio Frequency) front-end circuit, a storage device, and a processor. The antenna receives an RF signal. The impedance adjustment device is coupled to the antenna, and includes a plurality of branch circuit with different impedance values and a switch module. The processor is coupled to the RF front-end circuit and controls the switch modules. In a comparison mode, the switch module selects to connect to the branch circuits individually, and the processor detects each RSSI (Received Signal Strength Indications) value corresponding to the branch circuit and records all of the RSSI values to the storage device respectively. In the comparison mode, the processor further compares the RSSI values to for highest one. Finally, the switch module selects the branch circuit corresponding to the highest RSSI value as a transmission branch.

Abstract: A wireless network apparatus provides a wireless communication service for wireless devices through a first virtual access unit. The wireless network apparatus includes a determining module for outputting a first determination result when a wireless device enables the power saving mode and joins to a multicast group; a virtual access unit creating module for creating a second virtual access unit based on the first determination result outputted by the determining module; and a control module for controlling the second virtual access unit to provide a wireless communication service for the wireless device based on the first determination result outputted by the determining module.

Abstract: A signal transmission method used in a donor or a service antenna device in a wireless relay station is provided. The signal transmission method comprises receiving a first and a second direction signals by using an antenna and an optical transmission module. Each of a plurality of band filters performs filtering on the first direction signal. A control unit determines a transmission mode of the first signal according to the band of it. The control unit activates one of a plurality of first direction filters and one of a plurality of second direction filters between the antenna and the optical transmission module according to the transmission mode. The first and the second direction signal are transmitted to a remote device and an optical fiber connected device through the antenna and the optical transmission module. A donor antenna device and a service antenna device are disclosed herein as well.

Abstract: A wireless network connection method includes the following steps: a wireless network access point (AP) that receives apparatus identification information of a wireless network apparatus through a wireless network. The wireless network AP generates a temporary encryption key according to the apparatus identification information and AP identification information of the wireless network AP. The wireless network AP encrypts a network transmission key according to the temporary encryption key to generate an encrypted key. The AP identification information and the encrypted key are transmitted to the wireless network apparatus. The wireless network apparatus generates the temporary encryption key according to the apparatus identification information and the received AP identification information. The wireless network apparatus decrypts the encrypted key according to the temporary encryption key to generate the network transmission key.

Abstract: An access point with capability of dynamically adjusting a present clear channel assessment (CCA) threshold value and an operating method of the access point are disclosed herein. The operating method includes, sensing a channel status through a receiving module, determining whether to transmit data through a transmission module according to the channel status and the present CCA threshold value, calculating a transmission error rate according to the data is successfully transmitted through the transmission module or not, and dynamically adjusting the present CCA threshold value according to the transmission error rate. In such an operation, the present CCA threshold value can be adjusted to a suitable value, and the access point can avoid abandoning its data transmission task due to the interferences of wireless signals from other access points or workstations located beyond the cell size of the access point.

Abstract: A wireless network device and an automatic parameter setting method thereof are provided. The device includes a wireless communication module and an operation module. The wireless communication module is used for transmitting a test signal to a wireless device according to a wireless communication protocol, and receiving an ACK frame transmitted by the wireless device. The operation module is electrically connected to the wireless communication module, and is used for calculating one half of a sum of a minimum transmission time and a maximum transmission time, setting the half of the sum as an ACK timeout interval of the wireless communication module, analyzing whether the ACK frame is obtained within the ACK timeout interval so as to determine whether to use the ACK timeout interval as the maximum transmission time or the minimum transmission time, and recalculating the ACK timeout interval.

Abstract: An actuating device of a wireless access point (WAP), the WAP includes a first module, a second module with a power requirement, and an actuating device. The WAP has a first voltage range and a second voltage range. The actuating device includes a switching unit and a voltage regulating unit. The switching unit receives an input voltage and has two output terminals. The switching unit outputs a first voltage via the first output terminal when the input voltage is within the first voltage range, and outputs a second voltage via the second output terminal when the input voltage is within the second voltage range. The voltage regulating unit is coupled to the output terminals to convert the second voltage to the first voltage. The second module is coupled to the second output terminal of the switching unit.

Abstract: The power saving device and method are provided. The power saving device which applies to a network apparatus includes a Phase-Locked Loop circuit, a computing module and a clock-selecting register, the Phase-Locked Loop circuit is configured to receive a reference clock frequency and generate a clock frequency-increasing signal according to the reference clock frequency; the computing unit is configured to calculate a setting parameter and the clock-selecting register is configured to generate an operating clock signal according to the clock frequency-increasing signal and setting parameter and send the operating clock signal to the network apparatus, wherein the network apparatus adjusts the clock frequency rate according to the operating clock signal.

Abstract: A distributed data processing system, a distributed data processing method and a wireless terminal point thereof are disclosed, where the distributed data process system includes a first access controller, a plurality of second access controllers and a wireless terminal point (WTP). When receiving a list containing address information of the second access controllers from the first access controller, the WTP selects one of the second access controllers to serve as a designated second access controller and connects the designated second access controller.

Abstract: A network device and an operating method thereof are disclosed, where the network device includes a setting unit and a connection unit coupled with the setting unit. The setting unit sets a first port as a predetermined port for a communication protocol, and the connection unit allows a client device to use the communication protocol to connect to the first port. When a client device sends a port-change request, the setting unit changes the predetermined port to a second port according to the port-change request. The connection unit maintains a communication between the first port and the client device and further allows another client device to use the communication protocol to connect to the second port.

Abstract: A packet switch device includes an input port, a loop-back port, a storage module, and a switch engine. The input port receives a packet. The storage module stores packet flow tables. Each packet flow table includes at least one flow entry and action. The switch engine compares the packet with a default packet flow table of the plurality of packet flow tables when it determines that the packet does not include a flow header. The switch engine includes the packet with the flow entry of the default packet flow table and performs the corresponding action when the packet matches the flow entry. When the action includes a specific action of comparing the packet with another one of the packet flow tables, the switch engine attaches the flow header to the packet to set a flow ID therein and transmits the packet back to the switch engine through the loop-back port.

Abstract: A coupling device includes a first member and a second member. The first member has a first base and a first conjunction, wherein the first base has a first end and a second end; the first conjunction has at least two first surfaces facing each other, and a distance between the first surfaces near the second end is shorter than a distance between the first surfaces near the first end. The second member has a second base and a second conjunction, wherein the second base has a third end and a fourth end; the second conjunction has at least two second surfaces facing away from each other, and a distance between the second surfaces near the fourth end is shorter than a distance between the second surfaces near the third end. The first member and the second member can be coupled by abutting the second surfaces against the first surfaces.

Abstract: An interactive media playing system and method are presented. The system includes a server and a media playing device. After the media playing device logs in to the server, the server compares personal data of a authenticated member data with matching information of media information, finds at least one target media information, introduces matching information of the target media information and the personal data of the authenticated member data into a weighted distribution rule, in order to find a media playing sequence conforming to both the matching information of the target media information and the personal data of the authenticated member data, and outputs the media information to a media playing device. In this way, a user can perform an operation behavior on the media information through the media playing device.

Abstract: A transceiver includes an antenna, an impedance adjustment device, an RF (Radio Frequency) front-end circuit, a storage device, and a processor. The antenna receives an RF signal. The impedance adjustment device is coupled to the antenna, and includes a plurality of branch circuit with different impedance values and a switch module. The processor is coupled to the RF front-end circuit and controls the switch modules. In a comparison mode, the switch module selects to connect to the branch circuits individually, and the processor detects each RSSI (Received Signal Strength Indications) value corresponding to the branch circuit and records all of the RSSI values to the storage device respectively. In the comparison mode, the processor further compares the RSSI values to for highest one. Finally, the switch module selects the branch circuit corresponding to the highest RSSI value as a transmission branch.

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 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: An asymmetrical dipole antenna is provided. A radiation module and a ground module are formed by a metallic conductor and arranged at an interval on a substrate of the antenna, and the radiation module and the ground module, respectively, have a radiation base and a ground base. Two radiation arms and two ground arms are formed by extending from two ends of the two respective bases in opposite directions. The two radiation arms are orthogonal to the radiation base, and the second radiation arm is bent and extended toward the first radiation arm to form an arc opened toward the first radiation arm. The two ground arms are orthogonal to the ground base, and a hook is formed by extending and bending the second ground arm toward the first ground arm. A feeder unit connects the feed point and the ground point of the two bases.

Abstract: A method used for testing the communication performance of a plurality of wireless signal access devices, and the steps of the testing method of each wireless signal access device include: (a). booting up the wireless signal access device; (b). activating said the wireless signal access device to transmit or receive testing packets to test the communication performance of the wireless signal access device. The feature of the present invention lies in completing a step a of the next wireless signal access device before completing a step b of a first wireless signal access device, and starting the step b of the next wireless signal access device in an appropriate timing after completing the step b of the first wireless signal access device, thereby reaching the goal of reducing the test time.

Abstract: A fan bracket and the fan fixing apparatus using the same are disclosed, in which the fan bracket, including a pair of fixing members, is used for fixing a fan assembly inside a housing. Each fixing member has a first panel and two positioning elements, in which the first panel is configured with a first end, a second end and a first side in a manner that the first and the second ends are located opposite to one another while enabling the first side to be located between the two ends. In an embodiment, there is at least one fixing plate disposed on the first side that each fixing plate has at least one first screw hole. Moreover, the two fixing members are symmetrically and respectively disposed at the first and the second ends of the first panel whereas each fixing member is configured with a second screw hole.

Abstract: A method of controlling a connection of a station to different access points (AP) in roaming, in which the station is connected to a first AP through identification of basic service set context (BSS context), includes the following steps: a) Obtain received signal strength indications (RSSI) between the station and each access point. b) Copy the BSS context of the first AP to a second AP when the RSSI between the station and the first AP is less than RSSI between the station and the second AP; and c) disconnect the station from the first AP, and automatically connect the station to the second AP which has the same BSS context.