Abstract: An integrated circuit device includes a driver circuit (100) having a pull-up network with a first pull-up transistor (108) coupled to a second pull-up transistor (110) at a first node (VP), and a pull-down network coupled to the pull-up network including a first pull-down transistor (112) coupled to a second pull-down transistor (114) at a second node (VN). A first bias switch (116) is coupled to the first node. A second bias switch (118) is coupled to the second node. A control circuit (104) is coupled to operate the first and second bias switches. The first bias switch is operated to reduce a voltage at the first node during a pull-down cycle of the driver circuit and the second bias switch is operated to reduce a voltage at the second node during a pull-up cycle of the driver circuit.

Abstract: The present disclosure relates to a game streaming system and method for supporting multiuser and multiplatform, and more particularly to a game streaming system and method for supporting multiuser and multiplatform, which executes a game for multiuser in a server computer having high performance in an online game and transfers multiple game result images and game sound to a client terminal of a corresponding user by using real-time encoding and streaming.

Abstract: The present invention relates to a technology for easily generating and supplying a virtual client managing module specified for various games and testing the load and function of a game through a virtual client managing module and an apparatus for managing a virtual client. The device for managing a virtual client managing module according to the exemplary embodiment of the present invention performs a function that uses template specialized for each type of game as game unique information to generate a specialized module and generates the virtual client managing module combined with the common module. The apparatus for managing the virtual client generates and controls the virtual client based on the virtual client managing module.

Abstract: The test analysis system of a network according to an exemplary embodiment of the present invention includes: a server group having at least one server performing at least any one of generation of real-time information and storage of a server local log according to test scenarios; a client group having at least one client. communicating with the server group and performing at least any one of the generation of the real-time information and the storage of the local log according to the test scenarios; and a monitoring system storing the real-time information as a system log while monitoring the real-time information received from the server group and the client group during the execution of the test scenarios and informing a test manager of the monitored real-time information.

Abstract: Disclosed herein are an apparatus and method for generating virtual game clients. The apparatus includes a description grammar module, a description generation module, and a client generation and control module. The description grammar module includes a game packet description grammar. The description generation module generates a game protocol description corresponding to the structure of a packet protocol of a game and a game protocol sequence description corresponding to the relationship of transmission and reception between packets, based on the game packet description grammar. The client generation and control module generates a virtual game client using the game protocol description and the game protocol sequence description.

Abstract: Disclosed herein is an apparatus for collecting game data in order to test performance of a game server. The apparatus includes a capture and filtering module, a control module, and a data management module. The capture and filtering module captures packets, transmitted and received between the game server and each of a plurality of game clients, using the plurality of game clients, and extracts a plurality of necessary data by performing filtering on the results of the capturing. The control module determines the movement route of a game character in such a way as to correspond to the plurality of necessary data, and controls the plurality of game clients based on the movement route. The data management module stores and manages the plurality of necessary data.

Abstract: A method and an apparatus for calibration of a transmitter not having a Surface Acoustic Wave (SAW) filter are provided. The apparatus includes a calibration unit for outputting a detuning signal by which a resonance frequency of a Radio Frequency (RF) circuit is detuned with respect to a transmit operating frequency, and an RF unit for changing the resonance frequency according to the detuning signal and for outputting an out-of-band noise and a transmit signal having a relatively lower power than that of a case where the resonance frequency and the transmit operating frequency are tuned to each other.

Abstract: A switching circuit is provided. The switching circuit includes at least one Surface Acoustic Wave (SAW) filter, a Single-Pole n Throw (SPnT) switch connected to an input port of each of the at least one SAW filter, and a Dual-Pole n Throw (DPnT) switch connected to an output port of each of the at least one SAW filter.

Abstract: A system for re-generating a packet load for a load test includes a packet collector for collecting a packet transmitted between a game client application and a game server application, a packet data storage for storing the collected packet in a list form, a central manager for editing and re-defining the stored packet as an action and constructing a test scenario by combining the re-defined packet and an agent for generating a load according to the re-defined packet and the test scenario.

Abstract: A method and an apparatus for generating an online game packet for effective detection of an illegal user are disclosed. A method of generating an online game packet for effective detection of an illegal user may include acquiring online game packet generation information comprising protocol identification (ID) information and packet size information, determining a type of online game packet having a basic packet structure including a protocol ID field corresponding to the protocol ID information, a packet size field corresponding to the packet size information and at least one protocol field and further including at least one of a protocol index field and an animation index field, and generating the online game packet using the online game packet generation information based on the type of online game packet.

Abstract: Disclosed herein is a scenario-based load testing apparatus and method. The scenario-based load testing apparatus includes a packet analysis unit, a scenario creation unit, and a load generation unit. The packet analysis unit creates a virtual map and game grammar by capturing and analyzing packets sent between a server and a client. The scenario creation unit creates a scenario of a virtual user on the virtual map. The load generation unit generates a load by creating packet data corresponding to the virtual user in compliance with the game grammar and the scenario.

Abstract: A method and an apparatus for calibration of a transmitter not having a Surface Acoustic Wave (SAW) filter are provided. The apparatus includes a calibration unit for outputting a detuning signal by which a resonance frequency of a Radio Frequency (RF) circuit is detuned with respect to a transmit operating frequency, and an RF unit for changing the resonance frequency according to the detuning signal and for outputting an out-of-band noise and a transmit signal having a relatively lower power than that of a case where the resonance frequency and the transmit operating frequency are tuned to each other.

Abstract: The present disclosure relates to a game streaming system and method for supporting multiuser and multiplatform, and more particularly to a game streaming system and method for supporting multiuser and multiplatform, which executes a game for multiuser in a server computer having high performance in an online game and transfers multiple game result images and game sound to a client terminal of a corresponding user by using real-time encoding and streaming.

Abstract: The present disclosure relates to distributed server systems and methods for streaming game service, and in particular, to a distributed server system and method for streaming game service in which an online game is executed for multiple users in a high-performance server computer, and game screens and sounds of multiple users are delivered to client terminals of the multiple users, respectively, by using real-time encoding and streaming. For this purpose, a game service method in a cloud game server includes receiving an access request from a user terminal, receiving unique information about the user terminal, executing a game according to a game event requested by the user terminal, and encoding and transmitting video and audio according to the unique information about the user terminal, where the video and audio is a result of the game execution.

Abstract: The test analysis system of a network according to an exemplary embodiment of the present invention includes: a server group having at least one server performing at least any one of generation of real-time information and storage of a server local log according to test scenarios; a client group having at least one client. communicating with the server group and performing at least any one of the generation of the real-time information and the storage of the local log according to the test scenarios; and a monitoring system storing the real-time information as a system log while monitoring the real-time information received from the server group and the client group during the execution of the test scenarios and informing a test manager of the monitored real-time information.

Abstract: A game grammar-based packet capture and analysis apparatus for conducting game test, includes: a packet capture unit for capturing packets of game data transmitted and received between a game client and a game server; a packet analysis unit for analyzing the packets captured by the packet capture unit to generate a game grammar based on analyzed results. Further, the game grammar-based packet capture and analysis apparatus includes a load generation unit for generating packets in compliance with the game grammar to apply the packets to the game server as a load.

Abstract: A radio frequency (RF) receiver and a method of receiving an RF signal are provided. The RF receiver includes a low-noise amplifying unit which amplifies a received signal while restricting out-of-band interference of the received signal, a sampling unit which performs sampling to convert the amplified signal to a discrete time domain signal, a frequency translation unit which down-converts the discrete time domain signal into a frequency band that enables the discrete time domain signal to be converted into a digital signal and restricts interference from a frequency within an aliasing band according to a sampling frequency, an anti-aliasing filtering unit which prevents aliasing from the down-converted signal, a clock unit which provides the sampling unit, the frequency translation unit, and the anti-aliasing filtering unit with sampling frequencies, and an analog-digital-converter which converts the converted signal into the digital signal.

Abstract: Disclosed is a method for testing stability of a game server. The method for testing stability of a game server according to an exemplary embodiment of the present invention includes: executing, by at least one virtual user, actions or scenarios that are a list of actions; generating at least one game packets required to execute the executed actions or the actions included in the executed scenarios according to game protocols of specific game contents; and transmitting the generated game packets to a game server.

Abstract: Provided are an apparatus and method for analyzing a characteristic of a game player in real time. The apparatus includes at least one individual action determiner for calculating a player characteristic value indicating a level or tendency of a game player by giving a first weight to game play data values resulting from game play of the game player, an accuracy determiner for comparing the player characteristic value and a value set by an administrator, and calculating an accuracy value of the individual action determiner, a comprehensive level determiner for calculating a final characteristic value indicating a level or tendency of the game player by giving a second weight to the player characteristic values calculated by the individual action determiners when the accuracy value do not exceed a reference value, and a characteristic value output unit for outputting the final characteristic value.

Abstract: Provided are a method for extracting a correlation to generate 3D motion data, and a motion capture system and method using the extracting method to easily compose a humanoid character on a real background image. Cameras for motion capture are installed in a real background capture location (such as an outdoor location or in a studio), and the correlation between motion capture fixed cameras and a moving camera for capturing a real background image is obtained to capture 3D motion data prior to performing motion capture for integrating a humanoid character, so that even when there is interaction between a 3D figure and an actual prop such as a chair or table within the captured space, a humanoid character can easily be composed with the real background.