Abstract: The present invention relates to a method for transmitting an encrypted message between terminals, comprising the steps of: if a message application is executed on a screen of a terminal, running a keyboard that provides a security mode selection button in the message application execution window; if a user input with respect to the selecting button is sensed, receiving and temporarily storing the message that the user is inputting after switching to the security mode; and if an instruction indicating that writing has been completed is sensed through the keyboard, encrypting the message.

Abstract: The present invention relates to a method and terminal in a mobile communication system. The method includes transmitting a first sponsor service request to a first server, receiving a sponsor coupon and information corresponding to a second server from the first server in response to the first sponsor service request, transmitting the received sponsor coupon to an entity in a network, receiving a sponsor coupon validation result, which is used to charge a service provider for a sponsor service, from the entity, and transmitting a second sponsor service request to the second server.

Abstract: A method and an apparatus for providing a Peer-to-Peer (P2P) service in a wireless communication system. A method of a server for providing the P2P service includes receiving a P2P service request signal comprising information of contents desired by a particular Mobile Station (MS); selecting at least one MS from MSs having the contents; establishing a traffic path between the particular and the selected MS; and transmitting information of the selected MS to the particular MS.

Abstract: A method of performing user authentication of a mobile station by proxy in a communication system is provided. The method includes receiving an authentication request, which requests authentication of a user, from an Internet service provider having received information indicating that the mobile station can perform authentication based on only the mobile station's own information, requesting the user to provide security identification information for authentication, receiving the security identification information input by the user, authenticating the user by determining whether the security identification information is valid information, through security-requiring information managed by the mobile station, and transmitting an authentication result to the Internet service provider and receiving an authorized authentication result from the Internet service provider and providing a service according to the authorized authentication result to the user.

Abstract: The present disclosure relates to a method and an apparatus for an Internet service provider server providing a sponsored service, in which a service provider server pays a mobile communication usage fee in place of a user equipment, and the method for providing the sponsored service comprises: a connection step of selecting predetermined sponsored content so as to provide the sponsored service by means of the user equipment accessing the Internet service provider server; an authentication step of authenticating to the user equipment that the sponsor service is valid by a sponsorship manager, which is a device for managing the sponsor service, connecting with the user equipment on the mobile communication network; a step for the Internet transmitting to the user equipment the sponsored content that comprises in an IP packet either an IspCode, which is pre-allocated by the sponsorship manager for identifying the Internet provider server, or an IspTrfCode, which is pre-allocated by the sponsorship manager for i

Abstract: A technique for providing a video streaming service is provided. A method of a mobile device for providing a video streaming service includes sending periodically location and moving path information of the mobile device to a first server, receiving bitrate information per location predicted according to a moving path of the mobile device, from the first server, determining a bitrate for a current location of the mobile device based on the predicated bitrate information per location of the mobile device, and requesting a second server to send video segments based on the bitrate.

Abstract: A method for creating a unique and secure mobile internet protocol version 4 connection for a packet data network is provided. The method includes generating an extended master session key to create a mobile internet protocol root key. The method also includes creating a mobile internet protocol security parameter index based on the mobile internet protocol root key and an access point name. The method further includes deriving a mobile node home agent key based on the access point name. Furthermore the method includes associating the derived mobile node home agent key to the created security parameter index. Moreover the method includes providing the unique and secure mobile internet protocol version 4 connection to transfer data for the packet data network connectivity.

Abstract: An authentication method and apparatus in a communication system are provided. In a method for authenticating a first node at a second authentication server in a communication system comprising the first node registered to a first authentication server and a second node registered to the second authentication server, an authentication request message requesting authentication of the first node is received from the second node, the authentication request message is transmitted to the first authentication server, and upon receipt of an authentication success message indicating successful authentication of the first node from the first authentication server, the authentication success message is transmitted to the second node.

Abstract: The present invention relates to a method and terminal in a mobile communication system. The method includes transmitting a first sponsor service request to a first server, receiving a sponsor coupon and information corresponding to a second server from the first server in response to the first sponsor service request, transmitting the received sponsor coupon to an entity in a network, receiving a sponsor coupon validation result, which is used to charge a service provider for a sponsor service, from the entity, and transmitting a second sponsor service request to the second server.

Abstract: An apparatus and operating method of a Relay Station (RS) and a Base Station (BS) controller for a multi-hop relay communication in a broadband wireless communication system is provided. The method of the RS includes, when receiving at least one traffic Media Access Control (MAC) Protocol Data Unit (PDU) from a Mobile Station (MS) accessing the RS, extracting a Layer-3(L3) packet from the at least one traffic MAC PDU, generating a relay MAC PDU including the L3 packet, and transmitting the MAC PDU to the BS through an RS Service Flow (SF) which supports Quality of Service (QoS) required by an MS SF carrying the L3 packet.

Abstract: A method and an apparatus for providing a Local BreakOut (LBO) service in a wireless communication system are provided. In the method for providing an LBO service in a wireless communication system, after an access authentication procedure between an authentication server and a terminal, a femto gateway receives a subscriber profile including LBO service flow information from the authentication server to provide the LBO service flow information to a femto base station through initial service flow setting between the terminal and the femto gateway. The femto base station sets an LBO service flow through a Dynamic Service Addition (DSA) procedure. The terminal performs a Dynamic Host Configuration Protocol (DHCP) procedure through the LBO service flow setting, and obtains an IP address for LBO based on the DHCP procedure.

Abstract: An apparatus and method for supporting a location update registration process used for an idle mode operation of a Mobile Station (MS) in a Machine-to-Machine (M2M) communication are provided. The method includes determining whether a system global location update registration timer is applied to the MS, when it is determined that the global location update registration timer is not applied, determining a timer for updating a location when the MS operates in an idle mode, and transmitting a message including the timer to the MS.

Abstract: The present disclosure relates to a communication method and a system for converging a 5th-Generation (5G) communication system for supporting higher data rates beyond a 4th-Generation (4G) system with a technology for Internet of Things (IoT). The present disclosure may be applied to intelligent services based on the 5G communication technology and the IoT-related technology, such as a smart home, a smart building, a smart city, a smart car, a connected car, health care, digital education, a smart retail, and security and safety services. A method and an apparatus for communicating voice calls in a communication system are provided.

Abstract: The present invention relates to a method and terminal in a mobile communication system. The method includes transmitting a sponsor service request to a first server of a service provider, receiving a sponsor coupon from the first server, transmitting the received sponsor coupon to an entity of an operator, receiving a sponsor coupon validation result message from the entity, and transmitting a request for a sponsor service to a second server of the service provider. The sponsor coupon is used for the operator to charge the service provider for the sponsor service.

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 such as Long Term Evolution (LTE). A method for receiving objects of a web page by a terminal is provided. The method includes determining sizes of the objects, determining a number of Transmission Control Protocol (TCP) connections to be allocated for each of a plurality of domains connected to the web page, based on estimated sizes of the objects, determining a reception order of the objects to be received in the domains for each domain based on a size of a Congestion Window (CWND) of a server, and receiving the objects in the determined reception order.

Abstract: The present invention relates to an apparatus and a method for accessing the web in a network system in which pre-fetching of web pages is supported. To that end, when DNS processing is requested, a user terminal provides URL information to which a connection is anticipated to a proxy server via a DNS server. The proxy server can, via the DNS server and by means of the URL information received from the user terminal, pre-fetch information about a web page to which a connection is anticipated via a user terminal. That is, the proxy server configures a TCP session with a web server before a TCP session configuration request is received from the user terminal. Furthermore, by acquiring and storing necessary web page information before an HTTP request from the user terminal is received, the proxy server can immediately provide the web page information which has been in storage in response to an HTTP request from the user terminal.

Abstract: A method and an apparatus for providing, setting, maintaining, and releasing a packet data network (PDN) connection on the basis of a local area in a wireless communication system are provided. The method includes receiving the PDN subscription information on the basis of the local area from a business operator server, inspecting whether the current location information for the terminal exists in the PDN subscription information on the basis of the local area, and starting a procedure for setting the PDN on the basis of the local area when the current location information exists therein.

Abstract: A method and system for authenticating in a communication system are provided. The method includes, in a first authenticator, sending an authenticator relocation request to a second authenticator transmitting a hash value for an authentication parameter of a Mobile Terminal (MT), a random parameter 1, and a random parameter 2 from the second authenticator to the first authenticator; in the first authenticator, transmitting the hash value received from the second authenticator and the random parameter 1 to an Authentication, Authorization, and Accounting (AAA) server; in the AAA server, determining a validity of the hash value received from the first authenticator, and in the AAA server, transmitting the authentication parameter ever used at the time of authenticating the MT, to the first authenticator.

Abstract: A method for providing a service by a transparent internet cache (TIC) server in a communication network supporting a multipath transport control protocol (MPTCP) is provided. The method includes establishing an MPTCP connection with a user equipment (UE) and an original server through a first network, upon receiving a service provision request from the UE, releasing the MPTCP connection established among the TIC server, the UE, and the original server if data related to a service corresponding to the service provision request is cached, and providing the service corresponding to the service provision request to the UE.

Abstract: A chunk-based scheduling method and a chunk-based scheduling apparatus, capable of improving Quality of Service (QoS) upon the occurrence of congestion in a wireless communication system are provided. The method includes requesting, by a terminal, from a base station for chunk-based scheduling which uses an available bit rate bearer so as to receive chunk that constitutes traffic, and receiving, from the base station, at least one chunk scheduled based on the time limit information of the chunk.