Patent application number | Description | Published |
20090028265 | Apparatus and method for detecting signal by maximum likelihood - An apparatus and method for detecting a signal in a receiver by maximum likelihood (ML) are provided, in which symbols are detected according to the number of transmit antennas of a transmitter and a modulation scheme, channels are estimated, an equivalent channel matrix corresponding to the estimated channels is determined, a permuted equivalent channel matrix is determined by multiplying the equivalent channel matrix by a predetermined permutation matrix, the permuted equivalent channel matrix is QR decomposed, a hard decision is performed on predetermined symbols among the detected symbols using a received signal resulting from the QR decomposition, and the log likelihood ratios (LLRs) of the hard-decided symbols are determined. | 01-29-2009 |
20100201885 | ENCODER OF E-8VSB FORWARD ERROR CORRECTION FOR DIGITAL TELEVISION SYSTEM OF ATSC - Provided is an error correcting encoder and, more particularly, to an error correcting encoder used for an improved transmission method of the Advanced Television System Committee (ATSC), and a method thereof. The error correcting encoder for digital television broadcasting, which is suggested in the present research, includes a robust encoder for encoding a one-bit input into robust encoded data; a pre-coding block for receiving the robust encoded data and performing pre-coding to thereby produce a pre-coded signal; and a trellis encoding block for performing trellis encoding on the robust encoded data and the pre-coded signal. | 08-12-2010 |
20120106599 | CONSTELLATION ROTATION RELAY SYSTEM AND CONSTELLATION ROTATION RELAY METHOD - Provided is a constellation rotation relay system and constellation rotation relay method which can acquire full diversity gain by performing constellation rotation for a channel matrix in a relay network when configuring a virtual MIMO channel. The constellation rotation system includes a matrix creator for creating a symbol matrix by configuring a symbol transmitted in parallel from a source of a relay network; and a constellation rotation unit constellation rotating the symbol in the symbol matrix by adding a constellation rotation matrix to the created symbol matrix. | 05-03-2012 |
Patent application number | Description | Published |
20100110481 | HOST APPARATUS CONNECTED TO IMAGE FORMING APPARATUS, IMAGE FORMING SYSTEM COMPRISING THE SAME AND MODIFYING METHOD OF BACKGROUND FOR IMAGE FORMING APPARATUS - A host apparatus connected to an image forming apparatus, an image forming system including the same and a modifying method of a background for the image forming apparatus, the modifying method including: receiving identification (ID) information of at least one image forming apparatus; determining whether to modify the background by the host apparatus with at least one ID information; and transmitting at least one modifiable background corresponding to at least one image forming apparatus if a modification of the background is to be performed. Thus, the host apparatus connected to the image forming apparatus to determine whether to modify a background according to ID information of the image forming apparatus, transmit the modifiable background to at least one image forming apparatus according to the result can save time and costs as well as providing convenience to a user. | 05-06-2010 |
20130139049 | IMAGE FORMING DEVICE FOR SERVING A WEB SERVICE AND METHOD THEREOF - An image forming device includes a storage unit registering information on at least one server, a communication unit connected to at least one server registered in the storage via a network and receiving application information, a UI processing unit configuring an integrated UI displaying applications supported by at least one server, a display unit displaying the integrated UI and a control unit, if an application is selected from the integrated UI, requesting a web service to a server supporting the selected application. Therefore, convenience in the use of web services may increase. | 05-30-2013 |
20130139075 | IMAGE FORMING DEVICE HAVING A PLURALITY OF PLATFORMS AND METHOD FOR PERFORMING APPLICATION THEREOF - An image forming device includes a storage unit having a plurality of platforms, a UI processing unit configuring an integrated UI which displays applications executable in each platform, a display unit displaying the integrated UI and if an application is selected from the integrated UI, a control unit executing the selected application using a platform corresponding to the selected application. Therefore, a user may execute an application conveniently. | 05-30-2013 |
Patent application number | Description | Published |
20080299901 | METHOD OF TRANSMITTING CONTENT BETWEEN APPARATUSES AND CONTENT TRANSMISSION APPARATUS - A method of obtaining identification information, and based on the obtained identification, wirelessly transmitting content between apparatuses, and a content transmission apparatus are provided. The method obtains the identification information on a content reception apparatus or a content backup apparatus by using an affordance function of a content transmission apparatus or a content providing apparatus. The method and the content transmission apparatus include obtaining identification information on a second apparatus by using a first apparatus; outputting confirmation information on the second apparatus from the first apparatus, based on the obtained identification information on the second apparatus; and wirelessly transmitting the content from the first apparatus to the second apparatus, so as to enable the content to be conveniently transmitted between the apparatuses and to provide easy accessibility to a content reception apparatus. | 12-04-2008 |
20080303684 | CONTENT REPRODUCING METHOD AND APPARATUS - A content reproducing method and a content reproducing apparatus capable of continuously reproducing content by searching for an apparatus having optimal capabilities for reproducing the content, when a plurality of content reproducing apparatuses with similar functions are located within a short range of each other. | 12-11-2008 |
20090009626 | METHOD AND APPARATUS FOR GENERATING IMAGE FILE HAVING OBJECT INFORMATION - Provided are a method and an apparatus for generating an image file having information about an object. The method of generating the image file having the object information includes the operations of generating image data by taking a picture of the object; receiving the object information from the object through a network; and storing the object information in an image file together with the image data. Accordingly, when a photographing apparatus capable of perform wireless communications generates image data by taking a picture of an object having a wireless communication module, object information is received from the object through wireless communications and is stored together with image data. | 01-08-2009 |
20090011707 | METHOD AND APPARATUS FOR IDENTIFYING NEIGHBORING DEVICE - A method and apparatus for identifying a neighboring device are provided. The method of identifying a neighboring device, which is performed in a user terminal, includes: obtaining identification information and location information of a plurality of neighboring devices that can wirelessly communicate with the user terminal; extracting the identification information of one of the neighboring devices, the neighboring device being in the actual location range within the field of vision of the user terminal; and using the extracted identification information to request that the neighboring device perform wireless communication with the user terminal. According to the method and apparatus, identification information of a neighboring device with which a user terminal desires to perform wireless communication can be obtained using a viewfinder or liquid crystal display of the user terminal. | 01-08-2009 |
20090011772 | MOBILE TERMINAL APPARATUS, METHOD, AND SERVER FOR SHARING CONTENTS - A mobile terminal apparatus and method for sharing contents are provided. The mobile terminal apparatus includes a storage unit storing location information on an area; a location determination unit for determining a location of the mobile terminal apparatus; a network unit forming a network with one or more other mobile terminal apparatuses in the area; a control unit checking whether the mobile terminal apparatus has entered the area, based on the location information on the area and the determined location; and a screen configuration unit configuring a screen for providing information indicating locations of the one or more other mobile terminal apparatuses; wherein the control unit controls the network unit whereby the network unit obtains contents contained in one of the one or more other mobile terminal apparatuses, wherein the one mobile terminal apparatus is selected based on the information displayed on the screen and indicating the locations of the one or more other mobile terminal apparatuses. According to the apparatus and method, it is possible for users to share and watch user-created private media in real-time using bidirectional networking. Therefore, efficiency of media usage is increased. | 01-08-2009 |
20090282358 | DISPLAY APPARATUS FOR DISPLAYING A WIDGET WINDOW AND A METHOD THEREOF - A display apparatus for displaying a widget window and method thereof are provided. The display apparatus includes a generating unit which generates at least one widget window, a display unit which displays the least one widget window generated by the generating unit on a screen, and a control unit which changes a display pattern of the widget window, if a preset event occurs. Accordingly, the display patterns of widget windows are changed according to a user's preference, making it possible to increase the user's convenience. | 11-12-2009 |
20090300146 | DISPLAY APPARATUS FOR DISPLAYING WIDGET WINDOWS, DISPLAY SYSTEM INCLUDING THE DISPLAY APPARATUS, AND A DISPLAY METHOD THEREOF - A method for displaying widget windows is provided, including generating a widget display screen including at least one widget window, determining if a display area of the at least one widget window satisfies a preset threshold condition, and adding a new widget display screen including a new widget window if the threshold condition is satisfied. Accordingly, services can be provided through widget windows without preventing the viewer from viewing the TV, thereby enhancing user convenience. | 12-03-2009 |
20120019631 | METHOD AND APPARATUS FOR REPRODUCING 3D CONTENT - A method and apparatus for displaying an alternative object while reproducing three-dimensional (3D) content. The method includes reproducing the 3D content; during the reproducing of the 3D content, detecting an interrupt signal; determining a maximum depth value of the 3D content in response to detecting of the interrupt signal; adjusting a depth value of the 3D content according to the maximum depth value; and controlling a 3D content reproducing apparatus to display the alternative object corresponding to the interrupt signal, wherein the alternative object overlaps the 3D content of which the depth value is adjusted. | 01-26-2012 |
20120045985 | CONTENT REPRODUCING METHOD AND APPARATUS - A content reproducing method and a content reproducing apparatus capable of continuously reproducing content by searching for an apparatus having optimal capabilities for reproducing the content, when a plurality of content reproducing apparatuses with similar functions are located within a short range of each other. | 02-23-2012 |
20120173767 | APPARATUS AND METHOD FOR REMOTELY CONTROLLING PERIPHERAL DEVICES IN MOBILE COMMUNICATION TERMINAL - According to one embodiment, a method for remotely controlling peripheral devices in a mobile communication terminal includes acquiring a profile for a controlled peripheral device, configuring a control application for the controlled peripheral device based on the acquired profile, and controlling the controlled peripheral device using the configured control application. | 07-05-2012 |
20130023342 | CONTENT PLAYING METHOD AND APPARATUS - A method and apparatus for realistically playing content stimulating sight and hearing senses of a user corresponding to a location of the user, by determining a first location of a user, mapping a content space displayed on a display unit corresponding with an actual space in which the user is positioned based on the first determined location, determining a virtual viewpoint in the content space corresponding to a second location of the user, and playing content corresponding to the determined virtual viewpoint. | 01-24-2013 |
20130103797 | METHOD AND APPARATUS FOR SHARING CONTENTS BETWEEN DEVICES - A method and apparatus for sharing content between devices are provided. A method of a device for requesting to share content includes searching for a peer device capable of sharing the content, reproducing the content according to a user control, receiving a request to share the content with the peer device from the user, and transmitting a sharing request signal including location information of the content to the peer device. A method of a device for receiving a request to share content includes transmitting to a peer device a signal for indicating that the content can be shared, receiving a sharing request signal including location information of the content from the peer device, and reproducing the content by receiving the web content by using the location information. | 04-25-2013 |
Patent application number | Description | Published |
20080298491 | Apparatus and method for detecting signal based on QR-decomposition in multiple input multiple output wireless communication system - An apparatus and a method are provided for detecting N number of TX signals in a MIMO wireless communication system. The apparatus includes an RF processor, a channel estimator, and a signal detector. The RF processor converts signals, received through multiple antennas, into baseband signals. The channel estimator estimates channel information of the respective antennas by using the received signals. The signal detector arranges the baseband signals of the respective antennas on the basis of the channel information, calculates a threshold value of each stage, and selects symbols with a cumulative metric smaller than or equal to the threshold value as candidates at each stage, to detect a TX signal vector with N number of symbols. | 12-04-2008 |
20090041095 | METHOD AND APPARATUS FOR FINE FREQUENCY SYNCHRONIZATION IN WIRELESS BROADBAND (WIBRO) SYSTEM WITHOUT USING GLOBAL POSITIONING SYSTEM (GPS) RECEIVER - Provided is a fine frequency synchronization method of a WiBro system, and particularly, a fine frequency synchronization method which measures a spread degree of a received signal of an adjacent subcarrier using orthogonality of PN sequences and thereby estimates a frequency offset, in a base station or a wireless repeater without using a GPS receiver. The fine frequency synchronization method includes: (a) performing despreading on received adjacent subcarrier sequences, using a PN sequence transmitted from a transmitting party; (b) obtaining ratios of correlative values obtained by the despreading; and (c) estimating a frequency offset on the basis of the ratio of correlative values. Accordingly, fine frequency offset estimation with relatively low complexity is possible without using a GPS receiver in a WiBro environment where interference signals of other base stations or repeaters exist. | 02-12-2009 |
20090041097 | APPARATUS AND METHOD FOR NETWORK-CODING - Provided are a network-coding apparatus and method which can increase a data communication capacity in a communication environment to which an error-correction code (ECC) is applied. The network-coding apparatus includes a received signal processing unit receiving at least two signals, and decoding the at least two received signals; and a transmission signal processing unit receiving the at least two decoded signals from the received signal processing unit, merging the at least two decoded signals, and generating a merged transmission signal. | 02-12-2009 |
20090207077 | SWITCHED BEAM-FORMING APPARATUS AND METHOD USING MULTI-BEAM COMBINING SCHEME - Provided is a switched beam-forming apparatus which includes a beam-forming unit forming a plurality of beams using an array antenna, a beam selection adjusting unit measuring Quality of Service (QoS) values of each of a plurality of signals received through the plurality of beams, a beam selecting unit selecting at least two beams with high QoS from among the plurality of beams according to the results of the QoS measuring, and a beam combining unit combining the at least two beams selected by the beam selecting unit. | 08-20-2009 |
Patent application number | Description | Published |
20110128511 | FOLDING-TYPE PORTABLE DEVICE - Disclosed is a folding-type portable device. The folding-type portable device includes a first body having an abutment for cradling a portable terminal; a second body rotatably connected to the first body through a first hinge, so that the second body is folded or unfolded in relation to the first body, the second body being rotated to a predetermined angle in relation to the first body, thereby supporting the first body in a tilted state; and an optical module connected to the second body through a second hinge in such a manner that the optical module can be independently rotated, the optical module having a lens which is exposed or hidden depending on whether the optical module is rotated. The portable device may be used as an assistant portable device for extending functionality of a portable terminal. | 06-02-2011 |
20140178028 | TERMINAL DEVICE AND METHOD FOR CONTROLLING THEREOF - A terminal device is provided. The terminal device includes a multimedia part configured to play back a content, a communicator configured to perform communication, a short-range wireless communication module configured to share communication connection information with an external device, and when tagged with the external device while a content is played back, a controller configured to control the communicator to be connected to the external device according to the communication connection information and transmit a synchronization signal and the played back content. Accordingly, the terminal device shares a synchronized content with an external device using a User Interface (UI) for controlling a plurality of external devices. | 06-26-2014 |
20140269757 | METHOD AND APPARATUS FOR ALLOWING PLAYBACK DEVICES TO PERFORM SYNCHRONIZED PLAYBACK OF STREAMING CONTENT - An apparatus and method for allowing a plurality of playback devices to stream content of a master device simultaneously is provided. When the master device selects one of the playback devices as a reference device and multicasts a synchronization packet to the playback devices, the playback devices determine a synchronization time by comparing their own synchronization packet reception time with a synchronization packet reception time of the reference device. When the master device streams content, into which a time stamp is inserted based on the time of the reference device, the playback devices play the content based on the determined synchronization time. Therefore, even when the playback devices have different network latencies from the master device, the playback devices may accurately perform synchronized content playback. | 09-18-2014 |