Abstract: A method and terminal device for executing a radio application is disclosed. The method for executing a radio application is a method for executing a radio application independent of a modem in a terminal device, comprising the steps of: communicating with each other using a reconfigurable radio frequency interface (RRFI) by a unified radio application (URA), which operates on a radio computer of the terminal device, and a radio frequency (RF) transceiver, which operates in a radio platform on the radio computer; and supporting, by the RRFI, at least one service among a spectrum control service, a power control service, an antenna management service, a transmission/reception chain control service, and a radio virtual machine protection service.

Abstract: Methods and apparatuses for managing wireless signal information for positioning a mobile terminal are provided. The wireless signal information obtained by measuring a signal characteristic with respect to access points of a target area, is stored in a database. At least one piece of position error information calculated based on the wireless signal information is received from at least one mobile terminal. A positioning reliability is assessed with respect to the target area, based on the at least one piece of position error information. It is determined whether to update the wireless signal information, based on the assessed position reliability.

Abstract: Disclosed is a method for distributing, installing, and operating a software-defined radio-based radio application independent of hardware and a user application. A radio application distribution method for installing a radio application in a user terminal using a radio application package comprises the steps of: generating a radio application package including a radio controller code, compiled by an application processor compiler, and a user-defined function block; and uploading the radio application package to a server, wherein the radio controller code is in the form of an execution code executed by an application processor or radio computer of the user terminal, and provides a user application of the user terminal with context information of a radio application to be installed in the user terminal or defines a radio controller for transmitting and receiving data with a networking stack of a communication service layer located in the application processor.

Abstract: Disclosed is a structure for operating a unified radio application for a software defined radio terminal. The structure for operating a unified radio application according to the present invention can be classified into two types depending on whether a configuration code (configcode) of the radio application is constituted by an executable code or implemented in an intermediate representation (IR) code. With the structure for operating a unified radio application according to the present invention, it is possible to develop and distribute a radio application capable of operating on all radio platforms.

Abstract: Apparatuses, systems, and methods for estimating a location of a communication device in an internal environment are described. In one method, a number of movement units made while a mobile terminal moves from a first location to a second location is detected and the location of the mobile terminal is estimated based on the number of detected movement units and a location interpolation scheme.

Abstract: Disclosed is a mobile device for executing a radio application (RA) along with a radio interface. The mobile device for executing a radio application includes: a communication service layer (CSL) operated in an application processor or a radio processor for providing at least one of an application administration service, an access control service and a dataflow service; a radio control framework (RCF) operated in the application processor or the radio processor for providing the operational environment of the radio application in linking with the communication service layer; and a multi radio interface (MURI) for enabling the communication service layer to interact with the radio control framework.

Abstract: Disclosed is a method for distributing, installing and operating software-defined radio-based radio application independent of hardware and a user application. The radio application comprises a radio controller code and a user-defined function block code. A radio application package for distributing and installing the radio application includes pipeline component metadata for constituting a pipeline of the radio application. The user-defined function block code may be provided in the form of an execution code, a source code or an intermediate representation, and the radio controller code and the user-defined function block code may call a standard function block. Accordingly, with the configuration of the radio application of the present invention and the method for distributing, installing and operating the radio application according to the present invention, various wireless communication systems can be used independently of a modem chip just by downloading and installing the radio application.

Abstract: Disclosed is a structure for operating a unified radio application for a software defined radio terminal. The structure for operating a unified radio application according to the present invention can be classified into two types depending on whether a configuration code (configcode) of the radio application is constituted by an executable code or implemented in an intermediate representation (IR) code. With the structure for operating a unified radio application according to the present invention, it is possible to develop and distribute a radio application capable of operating on all radio platforms.

Abstract: According to the present invention, a software-defined radio terminal apparatus is a software-defined radio terminal apparatus which is adaptively constituted based on radio applications, and may comprise a storage unit, a microprocessor, and a baseband accelerator. The microprocessor reads, from the storage unit, a code, including a radio controller layer and a baseband driver layer, and executes the code, wherein the radio controller layer delivers a control command for controlling the baseband accelerator and information to be transmitted, from an upper layer to the baseband accelerator, and delivers the information received from the baseband accelerator to the upper layer, wherein the baseband driver layer provides interface between the radio controller layer and the baseband accelerator.

Abstract: Disclosed is a smart antenna software definition radio terminal device. A software definition radio terminal device in a smart antenna software definition radio multi antenna system according to the present invention includes: a storage unit, a microprocessor, and at least one baseband accelerator. The microprocessor is configured to select a smart antenna algorithm; receive a control command from a radio controller layer for delivering a control command to control the baseband accelerator and a radio controller layer on the basis of the selected algorithm; read from the storage unit a code including a baseband driver layer that delivers the received control command to the baseband accelerator, and execute the read code; and load at least one functional block for realizing at least one smart antenna algorithm from the storage unit into the baseband accelerator. According to the terminal device, a terminal having a modem chip of a different structure may execute the same radio application through standard API.

Abstract: Disclosed is a software-defined radio terminal device of the present invention.

Abstract: Disclosed is a method for distributing, installing and operating software-defined radio-based radio application independent of hardware and a user application. The radio application comprises a radio controller code and a user-defined function block code. A radio application package for distributing and installing the radio application includes pipeline component metadata for constituting a pipeline of the radio application. The user-defined function block code may be provided in the form of an execution code, a source code or an intermediate representation, and the radio controller code and the user-defined function block code may call a standard function block. Accordingly, with the configuration of the radio application of the present invention and the method for distributing, installing and operating the radio application according to the present invention, various wireless communication systems can be used independently of a modem chip just by downloading and installing the radio application.

Abstract: Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station.

Abstract: According to the present invention, a software-defined radio terminal apparatus is a software-defined radio terminal apparatus which is adaptively constituted based on radio applications, and may comprise a storage unit, a microprocessor, and a baseband accelerator. The microprocessor reads, from the storage unit, a code, including a radio controller layer and a baseband driver layer, and executes the code, wherein the radio controller layer delivers a control command for controlling the baseband accelerator and information to be transmitted, from an upper layer to the baseband accelerator, and delivers the information received from the baseband accelerator to the upper layer, wherein the baseband driver layer provides interface between the radio controller layer and the baseband accelerator.

Abstract: Disclosed is a software-defined radio terminal device of the present invention.

Abstract: Disclosed is a smart antenna software definition radio terminal device. A software definition radio terminal device in a smart antenna software definition radio multi antenna system according to the present invention includes: a storage unit, a microprocessor, and at least one baseband accelerator. The microprocessor is configured to select a smart antenna algorithm; receive a control command from a radio controller layer for delivering a control command to control the baseband accelerator and a radio controller layer on the basis of the selected algorithm; read from the storage unit a code including a baseband driver layer that delivers the received control command to the baseband accelerator, and execute the read code; and load at least one functional block for realizing at least one smart antenna algorithm from the storage unit into the baseband accelerator. According to the terminal device, a terminal having a modem chip of a different structure may execute the same radio application through standard API.

Abstract: The present invention relates to a multi-antenna subsystem for a SDR (software defined radio) capable of supporting a multi-antenna technique to an antenna system using a multi-antenna subsystem. The multi-antenna subsystem of a multi-antenna system includes an algorithm executing unit for carrying out an algorithm for a multi-antenna technique to be required in the multi-antenna system, a frame synchronization unit for a synchronization acquisition, and a control unit for controlling the algorithm executing unit and the frame synchronization. The algorithm executing unit has a plurality of functional blocks and the functional block has state information, which can be referred by other functional blocks, for supporting SDR system.

Abstract: Provided is a communication method of a neighboring terminal and a target terminal in which a cooperative terminal that has a better SINR or a better channel condition provides help to a target terminal through cooperation between terminals based on a random access mode or a scheduling mode, so that an SINR of the target terminal is improved without help from a base station.

Abstract: In a plasma display and a driving method thereof, a misfiring prevention period is provided between a reset period and an address period in response to a temperature of the plasma display being higher than predetermined temperature or a weight value of a previous subfield being higher than a predetermined weight value. In the misfiring prevention period, a first voltage higher than a voltage supplied to a sustain electrode is supplied during a first period, and a voltage at a scan electrode is gradually decreased from a second voltage to a third voltage during a second period subsequent to the first period.

Abstract: An image output apparatus and a control method thereof are provided. The control method of the image output apparatus adjusts and outputs an image according to an input position of the image output apparatus. Therefore, when a single image is displayed using a plurality of image output apparatuses, the size or resolution of an output image is automatically adjusted based on the input number and position of image output apparatuses, and thus user's convenience is improved.