Abstract: An apparatus and method for maintaining an Internet Protocol (IP) connection in a portable terminal is provided. The method includes when there is a request for registration of a service or an application having a push function, determining whether a first service quality interval corresponding to the service or application, registration of which has been requested, has been stored in the memory, and periodically transmitting a keep-alive message for maintaining the IP connection by using the first service quality interval when the first service quality interval has been stored in the memory.

Abstract: The present disclosure relates to a pre-5th-Generation (5G) or 5G communication system to be provided for supporting higher data rates Beyond 4th-Generation (4G) communication system. Disclosed is a method of receiving a video segment from at least one streaming server by a client device using hypertext transfer protocol (HTTP) adaptive streaming in a wireless network. The method includes: acquiring media presentation description (MPD) information by receiving an MPD file from the streaming server and parsing the received MPD file; determining a first parameter to minimize a cost function considering both energy consumption required for receiving a video segment and video quality of the segment based on the MPD information; requesting at least one video segment to the at least one streaming server during a first segment request round based on the first parameter; and receiving the at least one video segment from the at least one streaming server.

Abstract: Provided is an apparatus for controlling a data flow for multiple paths in a receiving node of a communication system. The apparatus includes a receiver configured to receive data for a specific sub-flow among a plurality of sub-flows; a controller configured to calculate an optimal transmission rate of the received data, determine a window reference value for generating the optimal transmission rate, and generate an artificial response message if a window size for the specific sub-flow is greater than or equal to the window reference value; and a transmitter configured to transmit the artificial response message to a transmitting node.

Abstract: A method for estimating a battery consumption state of a mobile communication terminal is provided. The method includes building a database with battery characteristic information changing according to at least one of a temperature and an aging characteristic of a battery supplying power to the mobile communication terminal, and estimating a power consumption of the mobile communication terminal and a battery drain rate based on the battery characteristic information and displaying estimated information.

Abstract: A method of determining a transmission time of a packet in a mobile device according to the present disclosure may include: if a request for the transmission of a present packet from at least one operated application is detected, identifying whether it is possible to delay a transmission time of the present packet; when it is possible to delay the transmission time of the present packet, calculating a power gain generated as the transmission time of the present packet is delayed; and determining whether the transmission time of the present packet will be delayed according to the calculated power gain.

Abstract: The present disclosure relates to a sensor network, machine type communication (MTC), machine-to-machine (M2M) communication, and technology for internet of things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method of an electronic device for pairing with a lighting device is provided. The method includes acquiring an image photographing the lighting device, acquiring identification data of the lighting device from the image, and pairing with the lighting device by transmitting the identification data to the lighting device. Further, a method of a lighting device for pairing with an electronic device is provided.

Abstract: The present invention relates to a base station, and to a terminal connection method for the base station. The terminal connection method for the base station according to one embodiment of the present invention comprises: a step of connecting to a terminal; an information extracting step of extracting information for determining a timeout value of the connection of the terminal when the connection to the terminal is completed; and a time-out setting step of setting a time-out value of the terminal according to the extracted information. According to the one embodiment of the present invention, the base station may efficiently utilize resources and overhead expenses for connection setup may be reduced.

Abstract: Methods and apparatus are provided for processing a message in an electronic device. A first message application is executed, which displays a first message and a second message in a combined message display window of an interlocutor. A second message application is executed, which provides the second message to the first message application while the first message application is executed. The first message is received and/or transmitted through the first message application, and the second message is received and/or transmitted through the second message application. The first message application and the second message application have different message reception and transmission techniques.

Abstract: An apparatus for connecting to a wireless communication system is provided. The apparatus includes a controller configured to, when it is determined to restrict a connection to a base station, set base stations which are detected during a first reference time as connection candidate base stations, set any base station which fails to be detected during a second reference time as one or more base stations to be excluded from connection, and select at least one base station except for the one or more base stations to be excluded from connection from among the connection candidate base stations, and a transmitter configured to transmit a connection request signal to the selected base station.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as smart home, smart building, smart city, smart car, connected car, health care, digital education, smart retail, security and safety services. A method and a User Equipment (UE) for controlling access to location information about the UE are provided. The UE includes a controller configured, upon sensing access to the location information about the UE by an application operating in an operating system (OS) of the UE, to match a rule defining access authorization of the application to the location information, and to determine whether to allow or deny access of the application to the location information based on the access authorization, and a display configured to display a screen under control of the controller.

Abstract: The present disclosure relates to a sensor network, Machine Type Communication (MTC), Machine-to-Machine (M2M) communication, and technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the above technologies, such as a smart home, a smart building, a smart city, a smart car, a connected car, healthcare, digital education, smart retail, security and safety services. A method and an apparatus for controlling aperiodic traffic in an electronic device are provided. The method includes determining a delay allowed time for first traffic associated with the first application based on a prediction time of generation of second traffic associated with a second application and processing the first traffic associated with the first application based on the delay allowed time.

Abstract: A terminal device is provided. The terminal device includes an input unit configured to receive an input of a user command inviting a non-subscriber of a messaging service to join a messaging group, and a communication unit configured to transmit a request for invitation information to a server, when the invitation information is received from the server, to transmit an invitation message including the invitation information and an application installation Uniform Resource Locator (URL) to a non-subscriber terminal, and when a join result of the non-subscriber joining the messaging service is received, to transmit a request for an invitation of the non-subscriber to the messaging group.

Abstract: Provided is an apparatus and method for connecting to an Access Point (AP) based on beacon information in a wireless communication system. To this end, a wireless device predicts an interference condition from each of a plurality of APs based on information acquired by a received beacon, selects one of the plurality of APs, taking the predicted interference condition into account, and attempts connection to the selected AP.

Abstract: Provided is an apparatus to detect congestion of a network using a receiver of a communication system. The apparatus includes a transport layer information extraction unit configured to extract transmission control protocol frame information from information that is received from a lower layer. The apparatus also includes a congestion information filtering unit configured to identify and output a packet to determine congestion in the transmission control protocol frame information. The apparatus further includes a congestion detection unit configured to determine whether the network is congested using the packet to determine congestion. The apparatus includes a congestion information output unit configured to, upon detecting congestion in the network, deliver information indicating the detection of the congestion in the network to an operating system or other applications.

Abstract: An apparatus and a method for controlling traffic of a second electronic device, which interworks with a first electronic device, in the first electronic device is provided. The method includes detecting occurrence of an event which needs to be notified to the second electronic device, determining a time to notify the occurrence of the event based on a driving time of the second electronic device, and transmitting an event occurrence notification signal to the second electronic device at the determined notification time.

Abstract: A method and apparatus for allocating resources in a touch-based electronic device. The method includes recognizing an interaction pattern of a touch signal if the touch signal of a user interaction for multitasking via a touch screen of the electronic device is received; determining a level of a resource based on the recognized interaction pattern; and allocating at least one resource of the electronic device in accordance with the level. The apparatus includes a pattern recognition unit configured to, if a touch signal corresponding to user interaction for multitasking is sensed via a touch screen, recognize an interaction pattern based on the touch signal; a resource determination unit configured to determine a level of a resource based on the interaction pattern; and a resource allocation unit configured to allocate at least one resource of the electronic device based on the level of the resource determined in the resource determination unit.

Abstract: The present disclosure dynamically selects an optimal parameter so as to stably stream an image without user's setting in a network environment. The present disclosure determines (schedules) a path to which a general packet is to be distributed based on a path cost indicator, and determines a symbol size and the number of source symbols, which minimize or sufficiently reduce a cost function.

Abstract: An apparatus and a method for setting a ping interval in a portable terminal are provided. The method includes transmitting a ping message to a server after a predefined time period corresponding to a set ping interval and determining whether a response message is received from the server, so as to determine whether a ping test succeeds, determining whether a short interval count value of the set ping interval is 0 by referring to a count table when the ping test is determined to be successful, and resetting the ping interval, and determining whether the short interval count value of the set ping interval is 0 by referring to the count table when the ping test fails, and resetting the ping interval.

Abstract: A method of providing contents in a communication system by a proxy server includes selecting one of a first content and a second content based on a first channel bandwidth usable by a terminal and a second channel bandwidth usable by a base station; and providing the selected content to the terminal, wherein the first content requires a wider channel bandwidth than a channel bandwidth of the second content.

Abstract: A mobile communication terminal used in wideband code division multiple access (WCDMA) 3G mobile communication includes: a communication terminal unit configured to receive a short text message from a user and transmit encrypted data generated by encrypting the short text message; and a secure-universal subscriber identity module (S-USIM) unit configured to generate a session key for encrypting the short text message, when receiving a request to encrypt the short text message from a communication terminal unit.