Abstract: A system and method for managing a tractor-trailer and a method are provided. The system includes: a control server to manage a position of a trailer, identification information on the trailer, and identification information on a tractor matched to the trailer with respect to each hub; a trailer to authenticate the tractor by comparing the identification information, which is received from the control server, on the tractor, with identification information received from the tractor, and to release an electronic parking brake (EPB) when an authentication result for the tractor is correct; and a tractor to authenticate the trailer by comparing the identification information, which is received from the control server, on the trailer with identification information received from the trailer to authenticate the trailer, and to be coupled to the trailer, when an authentication result for the trailer is correct.

Abstract: A method includes: executing an application prepared by an application programming interface (API) of a platform; and providing a network setting information to be used in the executed application to a display. A network connection is performed by the platform based on the network setting information.

Abstract: A method includes: executing an application prepared by an application programming interface (API) of a platform; and providing a network setting information to be used in the executed application to a display. A network connection is performed by the platform based on the network setting information.

Abstract: A method includes: executing an application prepared by an application programming interface (API) of a platform; and establishing a network connection. A first network connection is selected based on a determination that the application specifies a network connection, or a default network connection is selected, based on a determination that the application does not specify a network connection.

Abstract: A method for performing data transmission/reception using Near Field Communication (NFC) in a terminal includes loading a preset data transmission/reception policy upon recognizing a target device capable of communication using NFC; acquiring at least one sensing information used to determine a particular data transmission/reception operation; and determining the particular data transmission/reception operation based on the loaded data transmission/reception policy and the acquired sensing information.

Abstract: An apparatus and method of changing an access point in a wireless network system is provided. The wireless network system includes a first access point existing on a wireless network, and a user terminal accessing the first access point. The first access point transmits information on a second access point, which is one of a plurality of access points accessible by the user terminal, to the user terminal, and the user terminal determines whether to access the second access point and accesses the second access terminal in accordance with the determination result.

Abstract: A method and apparatus for a Peer-to-Peer (P2P) connection between terminals are provided. The method of a group owner terminal that establishes the P2P connection between terminals includes determining a terminal to be operated as a next owner terminal among terminals included in a group connected via the P2P connection, and transmitting information about general member terminals included in the group to the next owner terminal.

Abstract: A method includes: executing an application prepared by an application programming interface (API) of a platform; and establishing a network connection. A first network connection is selected based on a determination that the application specifies a network connection, or a default network connection is selected, based on a determination that the application does not specify a network connection.

Abstract: The mobile device includes a communication unit which performs communication through a network; and a control unit which executes an application prepared by an application programming interface (API) of the network function provided by a platform, and controls the communication unit to perform communication in accordance with a setup of a preferred network if the application includes the setup of the preferred network.

Abstract: A method and apparatus for transmitting a message in a wireless network environment are provided. The method of computing an interval of message transmission in an access point located in a specific subnet, includes determining whether the access point is an edge access point located at a boundary between the specific subnet and a neighboring subnet, and computing an interval of transmission of a router advertisement (RA) message containing information regarding the specific subnet based on the determination result.

Abstract: A method and apparatus for measuring the quality of wireless channels based on a result obtained by measuring contentions between stations in a wireless network employing a carrier sense multiple access/collision avoidance (CSMA/CA) medium access control (MAC) method specified in the IEEE 802.11 standard are provided. The method includes determining contentions between stations to transmit frames via a wireless channel that uses a contention-based medium access method, and measuring the quality of the wireless channel based on the determined contentions.

Abstract: An apparatus and method of changing an access point in a wireless network system is provided. The wireless network system includes a first access point existing on a wireless network, and a user terminal accessing the first access point. The first access point transmits information on a second access point, which is one of a plurality of access points accessible by the user terminal, to the user terminal, and the user terminal determines whether to access the second access point and accesses the second access terminal in accordance with the determination result.

Abstract: An apparatus and a method for managing a push service used by an application, and a recording medium storing a program source for the method which includes, when there is a request for use of a push service from an application installed in a mobile station, determining whether another application using the push service exists, determining a message type of a message to be transmitted to a push server to make a push service registration request depending on the determination of another application using the push service, and configuring a message for a push service registration request according to a determined message type and transmitting the configured message to the push server.

Abstract: A method for performing data transmission/reception using Near Field Communication (NFC) in a terminal includes loading a preset data transmission/reception policy upon recognizing a target device capable of communication using NFC; acquiring at least one sensing information used to determine a particular data transmission/reception operation; and determining the particular data transmission/reception operation based on the loaded data transmission/reception policy and the acquired sensing information.

Abstract: An apparatus and method of changing an access point in a wireless network system is provided. The wireless network system includes a first access point existing on a wireless network, and a user terminal accessing the first access point. The first access point transmits information on a second access point, which is one of a plurality of access points accessible by the user terminal, to the user terminal, and the user terminal determines whether to access the second access point and accesses the second access terminal in accordance with the determination result.

Abstract: A handover method and apparatus at a link layer of a wireless LAN according to the IEEE 802.11 standard are provided to minimize a handover latency. The handover method is performed in a mobile station moving from one subnet to another subnet, each subnet being managed by one of a plurality of access points. Channels available to the mobile station are selectively scanned based on information regarding one and more access points which are estimated to be present in a communication area of the mobile station, and a handover is performed to one of the access points based on the scanning result.

Abstract: A method and apparatus for a Peer-to-Peer (P2P) connection between terminals are provided. The method of a group owner terminal that establishes the P2P connection between terminals includes determining a terminal to be operated as a next owner terminal among terminals included in a group connected via the P2P connection, and transmitting information about general member terminals included in the group to the next owner terminal.

Abstract: An apparatus and a method for managing a push service used by an application, and a recording medium storing a program source for the method which includes, when there is a request for use of a push service from an application installed in a mobile station, determining whether another application using the push service exists, determining a message type of a message to be transmitted to a push server to make a push service registration request depending on the determination of another application using the push service, and configuring a message for a push service registration request according to a determined message type and transmitting the configured message to the push server.

Abstract: An apparatus and method are provided for transmitting and receiving Internet Protocol (IP) information in a wireless communication network. The IP information transmission apparatus includes a memory that stores IP information of at least one mobile terminal included in a group of mobile terminals for short-range wireless communication, and a controller that receives an IP information request message requesting the IP information of the at least one mobile terminal included in the group, generates the IP information of the at least one mobile terminal included in the group based on the stored IP information, and transmits the generated IP information.

Abstract: A service searching system and method for a wireless ad hoc network. According to the present invention, service information on a service agent providing a relevant service is received from a user agent that has previously broadcast a service request packet in a wireless ad hoc network environment, and consequently load on the network can be reduced. Further, service information is received from a user agent, and an additional selection algorithm for storing the service information on a service agent is not required.