Patent application number | Description | Published |
20080240043 | METHOD FOR PERFORMING HANDOVER BY CONSIDERING QUALITY OF SERVICE IN BROADBAND MOBILE COMMUNICATION SYSTEM AND SYSTEM FOR PROVIDING THE SAME - A system and method for performing a handover of a mobile station (MS) by considering Quality of Service (QoS) in a broadband mobile communication system. The method can include the steps of: receiving information about one or more neighbor base stations and reception strengths for the neighbor base stations from a Serving Radio Access System (RAS) currently communicating with the MS; extracting a value of a specific field from the received information about the neighbor base stations; combining the extracted value of the specific field with the reception strengths to thereby obtain combined values, and selecting a maximum value among the combined values; and transmitting a handover (handoff) request message to a base station corresponding to the selected maximum value. The system includes an MS that analyzes information about neighbor stations received in a Mobile Neighbor Base-station Advertisement (MOB_NBR_ADV) message to select a target RAS. | 10-02-2008 |
20090219892 | METHOD FOR PROCESSING HANDOFF - Provided is a handoff processing method including measuring a moving speed of a mobile terminal; measuring a size of a data packet generated in an application layer; measuring quality of a data transmission channel of the mobile terminal; calculating a maximum handoff delay time based on a relation between the moving speed and the data packet's size; estimating a handoff occurrence time point, based on a relation between a variation of the quality of the data transmission channel and the quality of the data transmission channel; and calculating a packet size and a moving speed of the mobile terminal that can minimize a delay due to a handoff occurrence by taking account of a handoff delay time according to the size of the data packet generated in the application layer and a moving speed of the mobile terminal into consideration, and providing the calculated packet size and moving speed. | 09-03-2009 |
20100322224 | SERVER, TERMINAL AND METHOD FOR END TO END CHANNEL CAPACITY ESTIMATION IN HIGH SPEED DOWNLINK PACKET ACCESS NETWORK - A server and a terminal enabling channel capacity estimation in a High-Speed Downlink Packet Access (HSDPA) network and a method of controlling the server and the terminal are provided. More particularly, when transmitting data between both terminals in an HSDPA network, a server end may transmit a packet pair of the same size and a client end may measure a time difference between the packet pair and thereby proceed filtering. Through this, it is possible to estimate the channel capacity. Therefore, it is possible to prevent data transmission from exceeding the channel capacity in the HSDPA to thereby prevent a packet loss and to effectively use a channel. | 12-23-2010 |
20110176557 | APPARATUS AND METHOD FOR CONTROLLING BUFFER USING PLAY TIME AS IMAGE TRANSMISSION - Disclosed is a buffer controlling apparatus and method using a play time during image transmission. The buffer controlling method using the play time during the image transmission includes controlling a transmission bit rate with respect to packets to be transmitted to a reception buffer based on bit capacity with respect to packets of the reception buffer, controlling a number of transmission frames with respect to the packets to be transmitted to the reception buffer based on a play time with respect to the packets of the reception buffer, and generating the packets to be transmitted corresponding to the transmission bit rate and the number of the transmission frames, and transmitting the generated packets to the reception buffer. | 07-21-2011 |
Patent application number | Description | Published |
20090028393 | SYSTEM AND METHOD OF SAVING DIGITAL CONTENT CLASSIFIED BY PERSON-BASED CLUSTERING - A system and method of saving digital content classified by person-based clustering. The system for saving digital content classified by person-based clustering, includes a database to save a plurality of digital content classified by person-based clustering; a data structure generation unit to generate a data structure composed of a plurality of nodes using the plurality of digital content; a face recognition unit to extract a face descriptor of new digital content to be saved in the database; a cluster classification unit to classify the new digital content and the plurality of digital content by the person-based clustering using the extracted face descriptor, and a data structure update unit to update the data structure according to the classification. | 01-29-2009 |
20090271826 | Method of recommending broadcasting contents and recommending apparatus therefor - A method for recommending broadcasting contents, is performed by a multimedia contents reproducing device of a first user. The method includes the operations of logging a broadcasting contents viewing behaviour pattern of the first user and generating a first user profile; transmitting the generated first user profile to an external server by using a network; receiving a recommendation result about one or more recommended broadcasting contents from the server, wherein a preference degree correlation between the first user profile and a second user profile of at least a second user registered in an account of the first user is reflected in the recommendation result; classifying the one or more recommended broadcasting contents in the received recommendation result into broadcasting timetable categories; and displaying on a screen a recommendation result about the classified one or more recommended broadcasting contents. | 10-29-2009 |
20100164895 | APPARATUS AND METHOD FOR PERFORMING SCROLL FUNCTION IN PORTABLE TERMINAL - An apparatus is provided for performing a scroll function in a portable terminal, in which a touch screen displays a list divided into a plurality of sections, a memory stores a scroll function established for each of the plurality of sections, and a controller locates a focus on a particular item by performing a scroll function established for a particular section, when the section among the plurality of sections is touched and dragged. | 07-01-2010 |
20100184413 | METHOD AND APPARATUS FOR PROVIDING AUTOMATIC INTERNATIONAL AND LOCAL CALL DIALING IN A MOBILE COMMUNICATION TERMINAL - A method and apparatus for providing automatic international and local call dialing in a mobile communication terminal. Country identification information is received from a network in which the mobile communication terminal is currently located. When a request for an outgoing is received from a user, a country code corresponding to the received country identification information is extracted, and the extracted country code is compared with a country code included in a phone number for the outgoing call. Based on the comparison it is determined whether the outgoing call is an international or local call. The phone number is then changed in accordance with the outgoing call being the international or local call. | 07-22-2010 |
20110025720 | DATA SCROLL METHOD AND APPARATUS - Disclosed is a method and apparatus for scrolling data displayed on a screen, dividing a display region as a multiple of predefined weighted areas and setting a scroll velocity weight corresponding to each of the multiple of weighted areas when there is scrollable undisplayed data, after displaying data on the display region corresponding to execution of an application. Scroll velocity weight is detected corresponding to the initially produced point of the scroll input when a scroll input is sensed t, and an actual movement distance is detected corresponding to the scroll input in real-time until the scroll input ends. A scroll movement distance is calculating in proportion to the detected scroll velocity weight and the actual movement distance, and the data is displayed by shifting the data in a proceeding direction of the scroll input by the calculated scroll movement distance. | 02-03-2011 |
20130183964 | METHOD AND APPARATUS FOR PROVIDING AUTOMATIC INTERNATIONAL AND LOCAL CALL DIALING IN A MOBILE COMMUNICATION TERMINAL - A method and apparatus for providing automatic international and local call dialing in a mobile communication terminal. The apparatus includes a country identification unit for receiving country identification information from a network in which the mobile communication terminal is currently located; a memory for storing country identification information, a country codes, and international access codes corresponding to the country codes; and a controller for extracting from the memory a country code corresponding to the country identification information received from the country identification unit, comparing the extracted country code with a country code included in a phone number for an outgoing call, and making a local call or an international call according to whether the country codes are identical. | 07-18-2013 |