Patent application number | Description | Published |
20090111469 | METHOD AND APPARATUS FOR HANDOVER BASED ON DYNAMIC BEAMFORMING SCHEME - A method and apparatus for handover based on a dynamic beamforming scheme, which is adapted to a mobile communication system including a mobile node and a base station, is provided. The apparatus includes a mobile profile information processor configured to process mobile profile information based on a location of the mobile node, and to generate a beamforming control signal according to the mobile profile information; a handover indication message processor configured to generate a first handover indication message incorporating the mobile profile information in preparation for a handover of the mobile node; a transceiver configured to transmit the first handover indication message; and a beamforming controller configured to control beamforming for transmission of the transceiver according to the beamforming control signal. | 04-30-2009 |
20100238939 | INTERMEDIATE NODE DEVICE, METHOD OF CONTROLLING INTERMEDIATE NODE DEVICE, AND NETWORK SYSTEM - An intermediate node device, a method of controlling an intermediate node device, and a network system are provided. The intermediate node device may receive a data packet from an upper intermediate node device and generate a first acknowledgement (ACK) message and a second ACK message with respect to the received data packet. Also, the intermediate node device may transmit the first ACK message to the upper intermediate node device, and transmit the second ACK message to an upper intermediate node device which is separated by a predetermined number of hops. | 09-23-2010 |
20110072152 | APPARATUS AND METHOD FOR RECEIVING DATA - An apparatus and method for receiving data over a network are provided. The data reception apparatus may include a receiver, a congestion decision unit and a suspension session selector. The receiver is configured to receive segments of data, using sessions corresponding to data transmissions apparatuses. The congestion detection unit is configured to determine whether a network to be utilized by a corresponding segment is congested, based on a status of each of the sessions. The suspension selector is configured to select a suspension session from the sessions where the network is determined to be congested. | 03-24-2011 |
20110085615 | SYSTEM OF SHARING DATA USING TRANSMISSION ORDER - A data transmission apparatus and a data reception apparatus, are provided. The apparatuses may share data in a Peer-to-Peer (P2P) scheme via a network. The data transmission apparatus divides data into a plurality of segments, and determines a transmission order with respect to each of the divided segments. The data transmission apparatus and the data reception apparatus share data based on the transmission order of the divided segments. | 04-14-2011 |
20110086655 | TUNNELING CONTROL METHOD AND APPARATUS FOR COORDINATED MULTI-POINT TRANSMISSION, AND METHOD FOR TRANSMITTING DATA - A tunneling control method and apparatus for a coordinated multi-point transmission, and a method of transmitting data, are provided. The tunneling control method and the data transmission method may minimize a time delay that occurs because of the coordinated multi-point transmission between base stations. | 04-14-2011 |
20110093600 | MOBILE PEER-TO-PEER BASED NETWORK APPARATUS AND SYSTEM - A Peer-to-Peer (P2P)-based network apparatus and system is provided. The P2P-based network apparatus may sense the movement of a mobile station (MS), select a candidate proxy, and change a proxy of the MS to the candidate proxy. | 04-21-2011 |
20110111776 | APPARATUS AND METHOD FOR SHARING DATA - Provided is a system for sharing data using a network. When a data transmission apparatus included in the data sharing system generates data, the data transmission apparatus may transmit a data generation message to a data reception apparatus. The data reception apparatus may receive the data based on the data generation message. | 05-12-2011 |
20110161355 | TERMINAL DEVICE BASED ON CONTENT NAME, AND METHOD FOR ROUTING BASED ON CONTENT NAME - In a network system based on a content name, a terminal device may generate and transmit a block query requesting a plurality of segments, and may receive segments corresponding to the block query based on a transmission direction of the block query. | 06-30-2011 |
20110161408 | METHOD AND NETWORK APPARATUS FOR REQUESTING DATA BASED ON CONTENT NAME - Provided are a network apparatus and system that may request or receive the same contents stored in a plurality of network apparatuses. In a network system sharing data, specific segments from a plurality of segments constituting the data may be received from mutually different terminals. For this, a transmission region may be determined by calculating a transmission offset corresponding to the plurality of terminals, and at least one segment included in the determined transmission region may be received from a corresponding terminal. | 06-30-2011 |
20110274039 | COMMUNICATION METHOD OF HUB AND TRANSMITTING, RECEIVING TERMINAL INCLUDED IN VIRTUAL GROUP - Provided is a communication method of a hub that selects a transmission route from the hub to a receiving terminal of a receiving virtual group based on interface information about at least one interface which is available for use by the receiving terminal and is received from the receiving terminal and interface information about at least one interface which is available for use by a transmitting terminal of a transmitting virtual group and is received from the transmitting terminal. | 11-10-2011 |
20110280214 | TERMINAL FOR A CONTENT CENTRIC NETWORK AND METHOD OF COMMUNICATION FOR A TERMINAL AND A HUB IN A CONTENT CENTRIC NETWORK - A method of communication for a terminal in a content-centric network is provided. The method includes suspending a data message associated with a content from being provided to a face before a handover when the handover is expected to occur in the terminal that requests the content, and transmitting, to a hub, a new interest message after the handover associated with the content so that the hub may provide the data message associated with the content to the face after the handover. | 11-17-2011 |
20110289193 | METHOD OF CONTROLLING MOBILE TERMINAL, HOME HUB, AND VISITED HUB IN VIRTUAL GROUP FOR CONTENT SHARING - Provided is a method of controlling a home hub in a virtual group that may provide a geographical boundary about the virtual group by associating an identifier of a network of a virtual group included in an access point list with a name of the virtual group and a name of the home hub managing the virtual group, and may provide a terminal which moves to a visited virtual group with information about a network of the visited virtual group, thereby facilitating recognition of a virtual group and content sharing. | 11-24-2011 |
20120096136 | METHOD AND APPARATUS FOR SHARING CONTENTS USING INFORMATION OF GROUP CHANGE IN CONTENT ORIENTED NETWORK ENVIRONMENT - Provided are a method and apparatus for sharing content, using information regarding a group change in a content oriented network environment. In a case where a group to which a target user equipment belongs is changed from a first group to a second group, the target user equipment may transmit, to a first group member management device, the information regarding the group change. The first group member management device may update information about a group to which the target user equipment currently belongs, based on the information regarding the group change. In response to a receiving of a content request from a requesting user equipment, the first group member management device may transfer the content request to the target user equipment. | 04-19-2012 |
20120136945 | TERMINAL AND INTERMEDIATE NODE IN CONTENT ORIENTED NETWORKING ENVIRONMENT AND COMMUNICATION METHOD OF TERMINAL AND INTERMEDIATE NODE - A content sharing method of an intermediate node based on a content oriented network (CON) is provided. The method includes receiving, from a content requesting terminal, a proxy sharing request message with respect to a content including a content name of the content, the content including a plurality of data segments, generating data segment request messages with respect to each of the plurality of data segments corresponding to the content, in response to the reception of the proxy sharing request message, transmitting the data segment request messages to at least one terminal having the plurality of data segments, receiving the plurality of data segments from the at least one terminal, and transmitting the content to the content requesting terminal, using an aggregated data transmission scheme based on the received plurality of data segments. | 05-31-2012 |
20130018937 | COMMUNICATION METHOD OF CONTENT REQUESTER, INTERMEDIATE NODE, AND CONTENT OWNER IN CONTENT CENTRIC NETWORKAANM Kim; Jae HoonAACI Yongin-siAACO KRAAGP Kim; Jae Hoon Yongin-si KRAANM Jang; Myeong WukAACI SeoulAACO KRAAGP Jang; Myeong Wuk Seoul KRAANM Lee; Ji HoonAACI Anyang-siAACO KRAAGP Lee; Ji Hoon Anyang-si KR - Communication method of a content requester, an intermediate node of one or more intermediate nodes, and a content owner in a content centric network are provided. A communication method of a content requester in a content centric network (CCN) includes, where the CCN includes the content requester, one or more intermediate nodes, and a content owner, generating a content request packet including a cache token, the cache token being used to determine one or more of the intermediate nodes in which to store content requested from the content owner, and transmitting the generated content request packet to the intermediate nodes and the content owner. | 01-17-2013 |
20130029664 | SOURCE NODE AND ROUTER IN CONTENT CENTRIC NETWORK, AND COMMUNICATION METHOD THEREOF - Provided are a content source node and a first content router and a second content router in a content centric network (CCN), and a communication method thereof. The technology described herein may reduce the updating of routing information due to a movement of a mobile source node and the corresponding overhead, thereby reducing a rate of using an overall network resource by adding routing information, that is, partially updating the routing information of the corresponding mobile source node for content routers on a route through which the mobile source node moves. | 01-31-2013 |
20130177024 | CONTENT-CENTRIC NETWORK AND METHOD OF PERFORMING ROUTING BETWEEN DOMAINS THEREFOR - A Content-Centric Network and a method of performing routing between domains therefor are provided. The method includes identifying a route from an anchor hub in a first domain to one or more hubs in the first domain, the anchor hub being configured to store routing information between a first border hub of the hubs in the first domain and a second border hub in a second domain, detecting, by each of the hubs in the first domain, a neighboring hub based on a sync direction corresponding to the identified route, and sharing the routing information with the neighboring hub, the sharing of the routing information including performing a sync operation between the neighboring hub and each of the hubs in the first domain. | 07-11-2013 |
20130182568 | COMMUNICATION METHOD OF CONTENT ROUTER TO CONTROL TRAFFIC TRANSMISSION RATE IN CONTENT-CENTRIC NETWORK(CCN), AND CONTENT ROUTER - A communication apparatus and method of a content router control a traffic transmission rate in a content-centric network (CCN), and the content router. In the communication method and the content router, a congestion of a network may be predicted, a warning signal indicating the congestion may be added to an interest packet, and the interest packet with the warning signal may be transmitted. Additionally, a traffic transmission rate may be controlled by adjusting a data packet transmission time based on a value of a marked field of a PIT. The PIT is set by receiving an interest packet to which a warning signal is added. Thus, the communication apparatus and method thereof provide reachability, while maintaining stability of network routing. | 07-18-2013 |
20130185406 | COMMUNICATION METHOD OF TARGET NODE TO PREFETCH SEGMENTS OF CONTENT IN CONTENT-CENTRIC NETWORK (CCN) AND TARGET NODE - A target node and a communication method of using a target node that is configured to prefetch a segment of content in a Content-Centric Network (CCN) are provided. A communication method involving a target node configured to prefetch a segment of content in a Content-Centric Network (CCN) involves: receiving, from a previous node, a predetermined content-request packet requesting a predetermined segment of a content; determining a prefetching window size based on a number of segments in response to the predetermined content-request packet, the segments being prefetched based on a name of the content; generating a content-request packet that requests each of the segments based on the prefetching window size; and transmitting the generated content-request packet to a next node. | 07-18-2013 |
20130275464 | TERMINAL DEVICE BASED ON CONTENT NAME, AND METHOD FOR ROUTING BASED ON CONTENT NAME - In a network system based on a content name, a terminal device may generate and transmit a block query requesting a plurality of segments, and may receive segments corresponding to the block query based on a transmission direction of the block query. | 10-17-2013 |
20140181140 | TERMINAL DEVICE BASED ON CONTENT NAME, AND METHOD FOR ROUTING BASED ON CONTENT NAME - In a network system based on a content name, a terminal device may generate and transmit a block query requesting segments, and may receive segments corresponding to the block query. | 06-26-2014 |
20150088995 | METHOD AND APPARATUS FOR SHARING CONTENTS USING INFORMATION OF GROUP CHANGE IN CONTENT ORIENTED NETWORK ENVIRONMENT - Provided are a method and apparatus for sharing content, using information regarding a group change in a content oriented network environment. In a case where a group to which a target user equipment belongs is changed from a first group to a second group, the target user equipment may transmit, to a first group member management device, the information regarding the group change. The first group member management device may update information about a group to which the target user equipment currently belongs, based on the information regarding the group change. In response to a receiving of a content request from a requesting user equipment, the first group member management device may transfer the content request to the target user equipment. | 03-26-2015 |