Abstract: The present invention is a trust-based resource sharing method and system for managing resources such as accommodations, automobiles, bicycles, equipment, instruments, tools, furniture, and the like during the lease period, using the Internet and smart home technology. The invention, unlike the existing sharing economy approach (e.g., Airbnb, Uber, and the like) that simply links the owner (or lender) of the resource with the user (or tenant), allows a reliable service transaction between a resource provider (or lender) and a tenant, on the basis of the trust information analyzed through accumulated data collected through IoT sensors. The method and system of the present invention perform resource sharing transaction including procedures of creating and managing a trust grade of a user who uses resources, creating and managing a trust grade of resources, and controlling the use of resources based on the user trust grade and the resource trust grade.

Abstract: A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance.

Abstract: An apparatus and method for managing variable MBS zones in an MBS server are provided. The method variably sets an MBS zone based on a characteristic where user movement between MBS zones and content preference are changed depending on time and environment, and thereby enables a safer and faster shift of an MBS zone, thus effectively providing high-quality multimedia service in a mobile environment.

Abstract: An apparatus and method for managing variable MBS zones in an MBS server are provided. The method variably sets an MBS zone based on a characteristic where user movement between MBS zones and content preference are changed depending on time and environment, and thereby enables a safer and faster shift of an MBS zone, thus effectively providing high-quality multimedia service in a mobile environment.

Abstract: A micro blog service providing method of a service providing server includes receiving a channel open request for a service from a user equipment (UE), registering a user service and a bearer service corresponding to the user service in a service providing node, for establishment of a multicast channel according to the channel open request, and transmitting a micro blog to the eMB-SC upon receiving the micro blog message from the UE.

Abstract: The present invention provides a method of providing dynamic multi-vision service, including detecting, by a main screen device, a surrounding auxiliary screen device, distributing an image signal to the auxiliary screen device when the auxiliary screen device is detected, scaling, by each of the main screen device and the auxiliary screen device, the image signal based on multi-vision region information, and displaying, by the main screen device and the auxiliary screen device, the image signal after being synchronized with each other.

Abstract: Provided is a security providing method based on a security breach in a security providing apparatus in which a physical device is virtualized so that a virtual machine monitor operates and is capable of working in a main domain and one or more sub domains. The method includes repairing sub domains experiencing security breaches; and updating security modules of the sub domains.

Abstract: A technology of setting up a MBS zone for providing a mobile IPTV service is provided in which the MBS zone is effectively managed, so that QoS is prevented from being degraded due to the handover delay that is caused by a MBS handover occurring when a user moves between MBS zones.

Abstract: A system and method for reassembling packets in a packet relay node are provided. A packet relay node located between a transmitting node (i.e., a source node) and a receiving node (i.e., a destination node) inspects received packets to see if they are fragmented packets and reassembles a series of packets decided to be fragmented packets into an original packet, thereby reducing overhead and radio resource waste caused by duplicate transmission of IP headers having the same fragmented-packet information.

Abstract: Provided is a broadcast multicast service control system capable of distributively processing excessively given load under environments that have to offer MBMS service by linking with several mobile communication networks, and a control method thereof. The service control system provides a multimedia broadcast multicast service including a service announcement function of announcing service information, a security function of executing generation and distribution of keys for user authentication and information protection, and a proxy and transport function of transmitting/receiving control signals and traffics to/from a mobile communication network to provide the multimedia broadcast multicast service, and the service control system includes: a plurality of service control units, a load management unit, a service distribution policy management unit, and a processing load distribution policy management unit.

Abstract: Provided is a technique for mutual authentication between different kinds of objects (devices, apparatuses, users, etc.) by expanding the kinds of objects that are subject to authentication, such as authentication between users, authentication between users and an apparatuses (devices, equipment, terminals, etc.), and authentication between apparatuses (devices, equipment, terminals, etc.).

Abstract: A technology of setting up a MBS zone for providing a mobile IPTV service is provided in which the MBS zone is effectively managed, so that QoS is prevented from being degraded due to the handover delay that is caused by a MBS handover occurring when a user moves between MBS zones.

Abstract: A method for scheduling packets from a plurality of radio bearers by a scheduler of a first layer includes calculating a virtual scheduling time for the radio bearers by using a packet delay variation of the radio bearers, and transmitting the packet of the radio bearer having the greatest virtual scheduling time from among the plurality of radio bearers to a second layer.

Abstract: A technology is provided capable of improving the efficiency of an OFDM system by obtaining the performance in Bit Error Rate (BER) in a wireless communication using OFDM and determining the minimum FFT input bit that produces a SNR difference of 0.1 dB or below with respect to a theoretical BER graph at a desired performance.

Abstract: There is provided a method for a multimedia broadcast/multicast service (MBMS) announcement to provide a service announcement document in a broadcast multicast service center (BM-SC) of a MBMS system, including the steps of: generating a service announcement document; searching a service announcement area; setting a session for providing the service announcement document to the searched service area by setting a MBMS multicast bearer; transmitting a corresponding service announcement document to the service announcement area, wherein the service announcement document includes an announcement area directories according to service announcement areas, and the announcement area directory includes service directories according to services provided to corresponding service announcement areas as a lower directory.

Abstract: A base station for allocating an MCID includes: a first transmitting/receiving unit to exchange data with a content distribution network and to extract header information; a combining unit to construct the data on a frame basis; a second transmitting/receiving unit to exchange the frame with a subscriber terminal receiving the constructed frame and to receive a Multicast and Broadcast Service (MBS) channel connection request message; a first analyzing unit to extract attribute information of the data by analyzing the extracted header information and to analyze the type of the data; a second analyzing unit to extract channel information by analyzing the MBS channel connection request message; and a control unit to exchange an MBS burst reservation message with the content distribution network, to reserve/allocate an MBS burst region, to allocate an MCID to the data, and to manage the registration state of an MBS channel corresponding to the MCID.

Abstract: A system and method for reassembling packets in a packet relay node are provided. A packet relay node located between a transmitting node (i.e., a source node) and a receiving node (i.e., a destination node) inspects received packets to see if they are fragmented packets and reassembles a series of packets decided to be fragmented packets into an original packet, thereby reducing overhead and radio resource waste caused by duplicate transmission of IP headers having the same fragmented-packet information.

Abstract: The present invention relates to the method and data sharing system which establishes an access right for data to share in pure or hybrid P2P environment and thus decides to open and share the data in accordance with which whether a recipient peer has the access right or not, thereby protecting the data from the access of the unspecified public and preventing the data from spreading in an improper manner. Also, since the existence of the data is not open to recipients with no having access right, the method and data sharing system according to the present invention has an effect of protecting the copyright and privacy of a data provider.

Abstract: Enclosed is traffic processing system and a method of processing traffic. A plurality of apparatuses for processing traffic are provided to disperse traffic for mobile terminals, to prevent the bottle neck phenomenon of the traffic, to effectively process the traffic, and to rapidly use the services of the mobile terminals.

Abstract: A method for forwarding packets in handover between base stations (eNBs) is provided. A source eNB confirming handover success sends control data indicating an EOD of a forwarding packet to a target eNB when there are no more packets to be forwarded to the target eNB, and the target eNB receiving the control data recognizes from the control data that there are no more packets to be forwarded from the source eNB, thus preventing delay in the handover between the eNBs.