Patent application number | Description | Published |
20090157771 | Electronic Document Versioning Method and Updated Document Supply Method Using Version Number Based on XML - Methods and apparatus for versioning an electronic document based on XML and methods and apparatus for providing an updated electronic document based on XML can use a version value. The electronic document being managed can use a syntax defining a structure of the structured electronic document. One method is characterized in that date information of when a content of the electronic document is changed is used as a version value. | 06-18-2009 |
20100037129 | Electronic Document Request/Supply Method Based on XML - There is provided a method for requesting an electronic document based on XML in which the electronic document is created using a syntax defining a structure of a constructed electronic document. The electronic document request method can include creating a request document including an element name/attribute name based on a previously prescribed syntax without defining an additional syntax for requesting the electronic document, requesting a supply of the electronic document having an information on the element name/attribute name recorded in the request document, and receiving the electronic document including the information on the requested element name/attribute name. | 02-11-2010 |
20120239389 | AUDIO SIGNAL PROCESSING METHOD AND DEVICE - Disclosed is an audio signal processing method comprising the steps of: receiving an audio signal containing current frame data; generating a first temporary output signal for the current frame when an error occurs in the current frame data, by carrying out frame error concealment with respect to the current frame data a random codebook; generating a parameter by carrying out one or more of short-term prediction, long-term prediction and a fixed codebook search based on the first temporary output signal; and memory updating the parameter for the next frame; wherein the parameter comprises one or more of pitch gain, pitch delay, fixed codebook gain and a fixed codebook. | 09-20-2012 |
20130103407 | METHOD AND APPARATUS FOR PROCESSING AN AUDIO SIGNAL - The present invention relates to a method for processing an audio signal, comprising the following steps: performing a linear predictive analysis on the current frame of an audio signal so as to generate a first target vector, which is a target vector of a first stage, on the basis of a plurality of linear prediction transform coefficients; performing vector quantization on the first target vector so as to acquire a predetermined number of first temporary candidate code vectors of the first stage; calculating first temporary candidate errors, which are errors between the first temporary candidate code vectors and the first target vector; and determining a first number, which is the number of the first candidate code vectors, on the basis of the first temporary candidate errors, and acquiring first final candidate code vectors in the same amount as the first number. | 04-25-2013 |
20130246054 | SPEECH SIGNAL ENCODING METHOD AND SPEECH SIGNAL DECODING METHOD - A speech signal encoding method and a speech signal decoding method are provided. The speech signal encoding method includes the steps of specifying an analysis frame in an input signal; generating a modified input based on the analysis frame; applying a window to the modified input; generating a transform coefficient by performing an MDCT (Modified Discrete Cosine Transform) on the modified input to which the window has been applied; and encoding the transform coefficient. The modified input includes the analysis frame and a self replication of all or a part of the analysis frame. | 09-19-2013 |
20130317812 | METHOD AND DEVICE FOR BANDWIDTH EXTENSION - Method and device of extending a signal band of a voice or audio signal are provided. The bandwidth extension method includes the steps of: performing a modified discrete cosine transform (MDCT) process on an input signal to generate a first transform signal; generating a second transform signal and a third transform signal on the basis of the first transform signal; generating normalized components and energy components of the first transform signal, the second transform signal, and the third transform signal therefrom; generating an extended normalized component from the normalized components and generating an extended energy component from the energy components; generating an extended transform signal on the basis of the extended normalized component and the extended energy component; and performing an inverse MDCT (IMDCT) process on the extended transform signal. | 11-28-2013 |
Patent application number | Description | Published |
20080299979 | Handoff Method and Apparatus for Terminal Based on Efficient Set Management in Communication System - A handoff method and apparatus for a terminal based on efficient set management. A pilot search rate for base stations of a neighbor set is increased, thereby preventing a failure to perform a necessary idle handoff or a failure to receive a paging message for a call connection. A terminal checks if it is in an idle state or in a traffic state, and measures the pilot energy of the BS of the active set and the pilot energy of a BS of the neighbor set with different pilot measurement patterns according to the checked state. The terminal measures the pilot of the BS of the active set and the pilots of at least one BS of the neighbor set while in the idle state. The terminal in the idle state operates in a sleep mode upon reception of information indicating that there is no paging channel, thereby minimizing its power consumption. | 12-04-2008 |
20100111016 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET DATA UNIT IN MOBILE COMMUNICATION SYSTEM - The present invention relates to a mobile communication system, and in particular, to a method and apparatus for transmitting and receiving a PDU including an Extension Bit field and a Length Indicator field in a UE or a Node B. A method for transmitting a PDU generated with more than two SDUs and a header having information on each SDU in a transmitter of a mobile communication system is provided. The method includes generating, in the header, a Length Indicator (LI) indicating an end point of each of remaining SDUs except for the last SDU and an Extension Bit indicating the presence/absence of another LI after each LI, and generating the header so that the LI succeeds the Extension Bit associated therewith; generating the PDU with the generated header and the SDUs; and transmitting the PDU. | 05-06-2010 |
20100309887 | METHOD FOR HANDOVER FROM HOME CELL TO PUBLIC CELL IN MOBILE COMMUNICATION SYSTEM - A method for a connection mode terminal to hand over between a home cell and a public cell in a mobile communication system is provided. In the mobile communication system including the home cell and the public cell, a region of the terminal is determined and a random access channel for the handover is pre-allocated. When the normal handover from the home cell to the public cell fails, the access to the public cell is accomplished using the pre-allocated random access channel. Therefore, the handover failure rate can be lowered. | 12-09-2010 |
20140286308 | METHOD AND APPARATUS FOR SUPPORTING MULTIMEDIA SERVICE IN ELECTRONIC DEVICE - A method in an electronic device, comprises, in response to an Internet Protocol (IP) voice packetized data call being performed in a first call session of a first communication processor and occurrence of a handover event from the first communication processor to a second communication processor, receiving at least one of, (a) a control message and (b) IP packetized voice data, via the second communication processor. The control message received from the second communication processor is forwarded to the first communication processor. | 09-25-2014 |
20150049675 | METHOD AND APPARATUS FOR TRANSMITTING AND RECEIVING PACKET DATA UNIT IN MOBILE COMMUNICATION SYSTEM - Methods and apparatuses are provided for transmitting and receiving a Packet Data Unit (PDU) in a mobile communication system. The PDU, including a header and at least one data field, is generated. The PDU is transmitted. The header includes a length indicator (LI) field and an extension bit field. The LI field indicates a length of a corresponding data field. The extension bit field indicates whether a data field follows or a set of an extension bit field and an LI field follows. The extension bit field is placed prior to the LI field in the set of the extension bit field and the LI field. An LI field is present for every data field except a last data field. | 02-19-2015 |
20150078337 | METHOD FOR PROVIDING VOICE COMMUNICATION SERVICE AND ELECTRONIC DEVICE THEREOF - An apparatus and a method for providing a voice communication service using a Long Term Evolution (LTE) network in an electronic device are provided. A method includes providing a first Voice over LTE (VoLTE) service in a first LTE area, handing over to a second LTE area during the first VoLTE service, when the first VoLTE service ends, determining whether the second LTE area provides a VoLTE service, and when the second VoLTE area does not provide the VoLTE service, limiting the VoLTE service of the electronic device. | 03-19-2015 |
Patent application number | Description | Published |
20080219204 | APPARATUS AND METHOD FOR REQUESTING PACKET RETRANSMISSION IN A WIRELESS COMMUNICATION SYSTEM - A method for requesting packet retransmission in a wireless communication system is provided. The method includes checking, by a receiving-side Automatic Retransmission reQuest (ARQ) layer, sequence numbers of received packets to determine whether there is any missing packet, and starting a first timer in association with the missing packet; stopping the first timer upon receiving an Hybrid ARQ (HARQ) reception failure indicator corresponding to the missing packet, provided from a receiving-side HARQ layer; and stopping generation of a status report message corresponding to the missing packet, and waiting for an ARQ packet corresponding to the missing packet, retransmitted from a transmitting-side ARQ layer. | 09-11-2008 |
20100142487 | Apparatus and method for inter-rat measurement in a multi mode terminal station - A mobile terminal includes an apparatus configured to perform a method for inter-Radio Access Technology (RAT) measurement. When a measurement condition is satisfied, the apparatus turns on, at an operating module, a standby module and generates a time latch signal to the standby module at a time T | 06-10-2010 |
20110188471 | METHOD AND APPARATUS FOR HANDOVER IN A MOBILE STATION SUPPORTING RADIO ACCESS TECHNOLOGY - A method and apparatus supports Inter-Radio Access Technology (IRAT) Packet Switch (PS) handover during a simultaneous voice and data (SVD) mode in a mobile station that supports a Radio Access Technology (RAT). The method includes determining a state in which a data call is connected through a first system and a voice call is connected through a second system. The MS determines whether handover to the second system should be performed for the data call. A measurement report message that indicates a set of active base stations (BSs) of voice call connection in the second system is generated. And the measurement report message is transmitted to a serving BS of the data call connection in the first system. | 08-04-2011 |
20130100887 | APPARATUS AND METHOD FOR PROVIDING VOICE CALL CONTINUITY USING DIFFERENT NETWORKS IN WIRELESS COMMUNICATION SYSTEM - An apparatus and a method for providing call continuity in a wireless communication system are provided. The apparatus includes a first communication unit for setting a call with a counterpart terminal in a first network, a second communication unit for setting a call with the counterpart terminal in a second network while the call is set in the first network, and a control unit for terminating the call of the first network after the call setup is completed in the second network. | 04-25-2013 |
20130258888 | METHOD AND APPARATUS FOR SETTING UP CALL IN MOBILE COMMUNICATION SYSTEM - The time required to set up a voice call in an exemplary embodiment, in which Circuit Switched Fallback (CSFB) is used, is reduced to provide a voice call service to a User Equipment (UE) in a Long Term Evolution (LTE) system. If a voice call occurs in a UE while the UE accesses the LTE system, the UE using CSFB switches to a 2G/3G legacy system, recycles system information for a 2G/3G cell that the UE has accessed before, and immediately proceeds with voice call setup without receiving system information unnecessary for a CSFB process. | 10-03-2013 |
20130332503 | APPARATUS AND METHOD FOR REDUCING POWER CONSUMPTION IN ELECTRONIC DEVICE - An apparatus and a method for reducing power consumption of an Application Processor (AP) in an electronic device are provided. The electronic device includes a first processor for supporting a first Internet Protocol (IP) Multimedia Subsystem (IMS) protocol stack, and a second processor for supporting a second IMS protocol stack. The first processor includes an AP for processing a multimedia service, and the second processor includes at least one of a Communication Processor (CP), a Modem Processor (MP), and a Baseband Processor (BP) for processing a communication service. | 12-12-2013 |
20140098787 | APPARATUS AND METHOD FOR SWITCHING CALL IN MOBILE COMMUNICATION SYSTEM - A method for switching a call by a User Equipment (UE) supporting a Voice Call Continuity (VCC) scheme in a mobile communication system is provided. The method includes detecting that there is a need for switching a voice call from a first access network to a second access network that is different from the first access network while the UE supporting the VCC scheme transmits/receives data in the first access network through an old bearer which is set up with the other party UE, performing a new bearer set up operation with the second access network, and transmitting/receiving voice data with the other party UE through the old bearer in the first access network and transmitting/receiving voice data with the other party UE through the new bearer in the second access network until a point in time. | 04-10-2014 |
20140119256 | APPARATUS AND METHOD FOR CONTROLLING OPERATION MODE IN A WIRELESS TERMINAL - An apparatus and a method for controlling a Discontinuous Reception (DRX) mode in which a Communication Processor (CP) performs a predetermined operation by switching between a sleep state and an active state in a wireless terminal having an Application Processor (AP) and the CP are provided. The method includes recording a control program configured for the active state in an internal memory of the CP, waking up from the sleep state to the active state at every predetermined interval, and performing an operation required in the active state by executing the control program recorded in the internal memory via the CP, wherein the control program is a complete control module or a part of the complete control module. | 05-01-2014 |
20140165078 | APPARATUS AND CIRCUIT FOR PROCESSING DATA - A circuit for processing data is provided. The circuit includes an Application Processor (AP), a Communication Processor (CP), and a storage unit including at least a first region which the AP and the CP access and from/to which data related to at least one of the AP and the CP is read/written, and a second region which the CP accesses and from/to which data related to the CP is read/written. | 06-12-2014 |
Patent application number | Description | Published |
20100203112 | COMPOSITION OF CATIONIC PHOSPHOLIPID NANOPARTICLES FOR EFFECTIVE DELIVERY OF NUCLEIC ACIDS - The present invention provides a cationic phospholipid liposome composition comprising 1,2-dioleoyl-sn-glycero-S-ethylphosphocholine (EDOPC), 3β-[N—(N′,N′-dimethylaminoethane)-carbamoyl] cholesterol (DC-cholesterol) and 1,2-diphytanoyl-sn-glycero-3-phosphoethanolamine (DPhPE), a liposome-nucleic acid complex which is capable of forming a complex therewith, and a pharmaceutical composition comprising the same. The cationic phospholipid liposome of the present invention is highly effective for intracellular delivery of nucleic acids and reduction of cytotoxicity, as compared to conventional liposome products. Therefore, the present invention can be useful for gene therapy via intracellular delivery of a desired material to target cells. | 08-12-2010 |
20120021044 | Novel Cationic Lipid, A Preparation Method of the Same and A Delivery System Comprising the Same - The present invention provides a novel cationic lipid, a preparation method of the same and a delivery system comprising the same. The cationic lipid of the present invention is used for the preparation of delivery systems of nucleic acids or physiologically active anionic proteins. The cationic lipid of the present invention can be conveniently prepared and purified by a simple process and is therefore economically highly advantageous for industrial-scale production thereof. Further, a nucleic acid or protein delivery system comprising the cationic lipid of the present invention not only significantly improves the intracellular delivery efficiency of desired nucleic acid drugs (such as DNAs, RNAs, siRNAs, antisense oligonucleotides, and nucleic acid aptamers) or anionic proteins having physiological activity, but also is usefully used to augment therapeutic efficacy of nucleic acid or protein drugs due to attenuated cytotoxicity of the delivery system. | 01-26-2012 |
20130217864 | HUMAN INTERLEUKIN-1 RECEPTOR ANTAGONIST - HYBRID FC FUSION PROTEIN - The present disclosure provides a fusion protein comprising IL-1 receptor antagonist fused to a hybrid Fc. Particularly the present disclosure relates to a fusion protein comprising IL-1 receptor antagonist fused to a human immunoglobulin hybrid Fc fragment. In one embodiment, the hybrid Fc fragment comprises IgD and IgG4. Also provided is a pharmaceutical composition comprising the present fusion protein, which are useful for treating autoimmune disease including rheumatoid arthritis, inflammatory bowel disease (Crohn's disease, ulcerative colitis), psoriasis and diabetes and the like. The present fusion protein with excellent efficacy and reduced side effects is qualified for clinical development as therapeutic antibodies to treat autoimmune disease. | 08-22-2013 |