Abstract: A frequency comparator outputs an input reference signal and a comparison target signal as pulse-form signals, and is charged or discharged with a voltage corresponding to the reference signal to output a reference voltage having a variable first frequency range, and charged or discharged with a voltage corresponding to the comparison target signal to output a comparison target voltage having a variable second frequency range. The frequency comparator compares the reference voltage having the first frequency range and the comparison output voltage having the second frequency range.

Abstract: The disclosure provides a method and an apparatus for configuring a Cell-Specific Reference Signal (CRS). The method includes: a cell is divided into a central area and a marginal area; a CRS is divided into a central CRS, a marginal CRS and a common CRS; a value that is obtained by adding a fixed first power value to a preset reference Energy Per Resource Element (EPRE) is configured as an EPRE value of the marginal CRS; a value that is obtained by subtracting a fixed second power value from the preset reference EPRE is configured as an EPRE value of the central CRS; and the reference EPRE is configured as the EPRE value of the common CRS. The disclosure can improve an SINR of a marginal area of a cell and enhance downlink performance of a UE in the marginal area of the cell, without affecting downlink performance of a UE in a central area of the cell.

Abstract: A method, an apparatus, a server and a terminal of accessing a network are disclosed. The method includes: receiving a first base station identifier and a first terminal identifier of a terminal from the terminal, the first base station identifier being a base station identifier of a first Bluetooth base station acquired by the terminal after establishing a connection with the first Bluetooth base station; obtaining a first access point device associated with the first Bluetooth base station based on the first base station identifier; and sending an access instruction to the first access point device to cause the first access point device to allow the terminal to access a wireless network upon verifying that the terminal has been registered based on the first terminal identifier.

Abstract: The present document provides a terminal access method, system and a terminal.

Abstract: Disclosed are a method and apparatus for controlling a booster circuit such that maximum power is extracted from a power supply while power consumption for monitoring power generated by the power supply is reduced, and an apparatus for extracting maximum power by using the method and apparatus for controlling a booster circuit.

Abstract: Provided is a charge pump circuit having a current mirror structure, including a first voltage controller including a plurality of first resistors and a plurality of first switches, and in response to a switching control signal corresponding to a bias current, driving the plurality of first switches to allow a current path passing through the plurality of first resistors to bypass, thereby controlling a voltage level of an output end, a second voltage controller including a plurality of second resistors and a plurality of second switches, and in response to the switching control signal, driving the plurality of second switches to allow a current path passing through the plurality of second resistors to bypass, thereby controlling a voltage level of an output end to correspond to the voltage of the output end of the first voltage controller.

Abstract: Provided is a charge pump circuit having a current mirror structure, including a first voltage controller including a plurality of first resistors and a plurality of first switches, and in response to a switching control signal corresponding to a bias current, driving the plurality of first switches to allow a current path passing through the plurality of first resistors to bypass, thereby controlling a voltage level of an output end, a second voltage controller including a plurality of second resistors and a plurality of second switches, and in response to the switching control signal, driving the plurality of second switches to allow a current path passing through the plurality of second resistors to bypass, thereby controlling a voltage level of an output end to correspond to the voltage of the output end of the first voltage controller.

Abstract: A lock detector and a clock generator including the same are disclosed. A lock detector includes a counter unit which counts a non-matching section of a first signal and a second signal to provide a count value, the first signal and the second signal being comparison result signals obtained by comparing a phase of a reference signal with a phase of a comparison signal, and a lock detection unit which outputs a lock detection signal based on a result of comparing the count value with the reference value. Accordingly, a lock state of the phase-locked loop can be detected rapidly and exactly.

Abstract: Embodiments of the invention relate to reflective relay (RR) processing on logical ports for channelized links in edge virtual bridging (EVB) systems. One embodiment includes providing a virtual edge bridge (VEB) mode and a virtual Ethernet port aggregator (VEPA) mode in an EVB system on a same port of a physical switch. RR capability per channel is negotiated between a server and the physical switch in the EVB system. RR per channel is supported on the physical switch of the EVB system using RR setting information per channel.

Abstract: A method of managing data transmission based on virtual local area networks includes obtaining a first VLAN property of a first physical interface and a second VLAN property of a second physical interface; in response to determining the first VLAN property and the second VLAN property are at least partially identical, obtaining a first virtual interface corresponding to the first physical interface and a second virtual interface corresponding to the second physical interface; and mapping the first physical interface and the second physical interface to an identical data channel via the first virtual interface and the second virtual interface, wherein the first physical interface and the second physical interface are located in a same processing device.

Abstract: Disclosed is an apparatus for controlling a duty ratio of a signal that includes a clock control unit configured to generate a plurality of control signals based on an input signal, a half-cycle generation unit configured to generate a multiplied signal by use of the input signal and a delay signal that is obtained by delaying the input signal based on a delay control voltage, and divide the multiplied signal to generate a first division signal and a second division signal that are in inverse relation to each other, a comparator unit configured to compare a pulse width of the first division signal with a pulse width of the second division signal based on the control signal provided by the clock control unit, and output a delay control signal corresponding to a result of the comparison, and a control voltage generation unit configured to output a delay control voltage.

Abstract: Provided is a sensorless BLDC motor system. The sensorless BLDC motor system includes a BLDC motor, a comparator, a motor controller, a three-phase inverter, and a mode selector. The BLDC motor includes first to third coils. The comparator compares a voltage of a specific coil of the first to third coils with a neutral-point voltage to output the compared result. The voltage of the specific coil becomes equal to the neutral-point voltage and a specific time elapses, and then the motor controller generates first and second coil control signals based on the compared result. The three-phase inverter supplies a source voltage or ground voltage to the specific coil, or floats the specific coil, in response to the first and second coil control signals. The mode selector selects a driving mode of the BLDC motor by adjusting the specific time.

Abstract: A role action framework allows for comprehensive control of various objects, data, and behaviors within a procurement and requisitioning application. This framework can be extended to be used by various transactions. A common and central mechanism that makes a supplier relationship management application highly configurable can be provided. This mechanism can allow organizations to customize the application in a manner that is most suitable for the different types of those organizations' users. For example, using this mechanism, users having defined roles within the organization can be limited to appropriate interactions with various facets of the application, such as objects, data, and behaviors. Using the mechanism, an organization can define customized roles, and for each role, the organization can define, for each facet of the application, interactions that users assigned to that role can have relative to that facet.

Abstract: The disclosure provides a method and an apparatus for configuring a Cell-Specific Reference Signal (CRS). The method includes: a cell is divided into a central area and a marginal area; a CRS is divided into a central CRS, a marginal CRS and a common CRS; a value that is obtained by adding a fixed first power value to a preset reference Energy Per Resource Element (EPRE) is configured as an EPRE value of the marginal CRS; a value that is obtained by subtracting a fixed second power value from the preset reference EPRE is configured as an EPRE value of the central CRS; and the reference EPRE is configured as the EPRE value of the common CRS. The disclosure can improve an SINR of a marginal area of a cell and enhance downlink performance of a UE in the marginal area of the cell, without affecting downlink performance of a UE in a central area of the cell.

Abstract: Disclosed is an apparatus for controlling a duty ratio of a signal that includes a clock control unit configured to generate a plurality of control signals based on an input signal, a half-cycle generation unit configured to generate a multiplied signal by use of the input signal and a delay signal that is obtained by delaying the input signal based on a delay control voltage, and divide the multiplied signal to generate a first division signal and a second division signal that are in inverse relation to each other, a comparator unit configured to compare a pulse width of the first division signal with a pulse width of the second division signal based on the control signal provided by the clock control unit, and output a delay control signal corresponding to a result of the comparison, and a control voltage generation unit configured to output a delay control voltage.

Abstract: A touch panel includes a cover layer including a number of key areas, a circuit board, a touch-sensing layer arranged between the cover layer and the circuit board, and a number of button members corresponding to the key areas one by one. Each button member includes a post and a sensing portion. The touch-sensing layer generates a first signal to indicate a location of a user's touch when the touch panel is in a touch mode. The sensing portion generates a second signal when a corresponding key area is pressed when the touch panel is in a button mode.

Abstract: Embodiments of the invention provide for performing a search across business objects of one or more business processes. More specifically, embodiments of the present invention provide for performing a search across business objects of one or more business processes based on an index of business objects and additional information supplementing the index. The additional information can indicate business objects of different types or of different business processes that are related to the indexed business objects. According to various embodiments of the present invention, providing business object and business process searching can include but is not limited to: the ability to more quickly find related documents using search in one step; the ability to do so without using menus; the ability to quickly refine search results with common facets; and/or the ability to do advanced common attributes searches across business objects such as comments for a supplier across numerous business objects.

Abstract: A lock detector and a clock generator including the same are disclosed. A lock detector includes a counter unit which counts a non-matching section of a first signal and a second signal to provide a count value, the first signal and the second signal being comparison result signals obtained by comparing a phase of a reference signal with a phase of a comparison signal, and a lock detection unit which outputs a lock detection signal based on a result of comparing the count value with the reference value. Accordingly, a lock state of the phase-locked loop can be detected rapidly and exactly.

Abstract: Disclosed is a triangular wave generator which includes a square wave signal generating unit configured to output a first signal transitioning to a high level from a low level via an output terminal in response to a first transition of a clock signal and to transition the first signal to a low level from a high level in response to a reset signal; a resistance unit configured to adjust a voltage level of a the square wave signal; and a capacitance unit configured to receive an output signal of the resistance unit to generate a second signal rising to a high level from a low level with a slope, to provide the reset signal to the square wave signal generating unit, and to output a triangular signal by falling the second signal to a low level from a high level with a slope.

Abstract: Provided is a spread spectrum clock generating circuit. The spread spectrum clock generating circuit includes: a phase detector receiving a reference frequency signal from the external and detecting a phase difference between the reference frequency signal and a frequency-divided signal; a voltage controlled oscillator outputting an oscillation signal corresponding to a detection result of the phase detector; a main divider generating the frequency-divided signal by dividing a frequency of the oscillation signal by a main dividing ratio; and a dividing ratio controller generating a variable count value, generating a sub dividing ratio by performing delta-sigma modulation according to the count value, and adjusting the main dividing ratio according to the sub dividing ratio.