Patent application number | Description | Published |
20120220792 | PROCESS FOR PRODUCING ALDEHYDES OR KETONES BY OXIDIZING ALCOHOLS WITH OXYGEN - Provided is a process for producing aldehydes or ketones by oxidizing alcohols with oxygen, which comprises oxidizing alcohols to aldehydes or ketones in an organic solvent at room temperature with oxygen or air as an oxidant, wherein ferric nitrate (Fe(NO3)3.9H2O), 2,2,6,6-tetramethylpiperidine N-oxyl (TEMPO) and an inorganic chloride are used as catalysts, the reaction time is 1-24 hours, and the molar ratio of said alcohols, 2,2,6,6-tetramethylpiperidine N-oxyl and the inorganic chloride is 100:1˜10:1˜10:1˜10. The present process has the advantages of high yield, mild reaction conditions, simple operation, convenient separation and purification, recoverable solvents, substrates used therefor being various and no pollution, and therefore it is adaptable to industrialization. | 08-30-2012 |
Patent application number | Description | Published |
20140133523 | METHOD AND SYSTEM FOR BLIND INTERFERENCE CANCELLATION IN A WIRELESS COMMUNICATION SYSTEMS - Aspects of the present invention include methods, systems, and computer-readable medium for canceling interference in wireless communication. The method includes receiving wireless CDMA communication signals using one or more antennas at least from a first entity via a first communication channel and a second entity via a second communication channel, determining a set of known characteristics associated with the first entity, the first set of characteristics comprising a first signal strength, a first synchronization information, and an first channel identification information, and determining an aggregate signal matrix based on signals received from at least the first entity and the second entity. The method further includes determining a covariance matrix associated with the aggregate signal value, determining a reference signal matrix based on the set of known characteristics, calculating an interference matrix by subtracting the reference signal matrix from the covariance matrix, and removing the interference estimation from the communication signals. | 05-15-2014 |
20150215139 | DYNAMIC TASK SCHEDULING FOR MULTI-RECEIVE-PATH EQUALIZER - Dynamically scheduling multi-receive-path signal equalizer tasks. An estimated maximum Doppler frequency and an estimated delay spread of a particular wireless communications channel may be determined at a particular time. A particular task queue format and a particular predictor model order update period may be identified based on the estimated maximum Doppler frequency and delay spread. A particular predictor model order update rate may be selected based on the identified particular equalizer task queue format. A plurality of task control signals may be generated based on the particular task queue format, the particular predictor model order-update period, and the particular predictor model order-search range, to control equalizer coefficient generation within a particular time period. | 07-30-2015 |
20150280775 | METHOD AND SYSTEM FOR BLIND INTERFERENCE CANCELLATION IN A WIRELESS COMMUNICATION SYSTEMS - Aspects of the present invention include methods, systems, and computer-readable medium for canceling interference in wireless communication. The method includes receiving wireless CDMA communication signals using one or more antennas at least from a first entity via a first communication channel and a second entity via a second communication channel, determining a set of known characteristics associated with the first entity, the first set of characteristics comprising a first signal strength, a first synchronization information, and an first channel identification information, and determining an aggregate signal matrix based on signals received from at least the first entity and the second entity. The method further includes determining a covariance matrix associated with the aggregate signal value, determining a reference signal matrix based on the set of known characteristics, calculating an interference matrix by subtracting the reference signal matrix from the covariance matrix, and removing the interference estimation from the communication signals. | 10-01-2015 |
Patent application number | Description | Published |
20110242904 | Read Only Memory and Operating Method Thereof - A read only memory (ROM) and an operating method thereof are provided. The read only memory includes: a control circuit, powered by a first power source for outputting a control signal within a first voltage range; a voltage shifter, for expanding the amplitude of the control signal to a second voltage range; a word line driver, powered by a second power source with a voltage which is higher than that of the first power source, for driving one of a plurality of word lines of a read only memory cell array according to the control signal which is expanded to be within the second voltage range; and an input/output circuit, for connecting the plurality of bit lines to read out messages. | 10-06-2011 |
20140198555 | Methods and Apparatus for ROM Devices - Methods and apparatus for the encoding of an input sequence of digit data into a sequence of storage cells of a ROM device are disclosed. The input sequence is divided into a first kind of groups and a second kind of groups. A first kind of group comprises a plurality of consecutive first digits, two first kind of groups are separated by a second kind of group, the second kind of group comprises consecutive digits without any consecutive first digits, and the second kind of group has a starting digit which is the second digit. A starting storage cell is programmed to the active state to store the starting digit of the second kind of group. The rest digits of the second kind of group are programmed one digit at a time, based on a shared terminal which has been programmed for the proceeding storage cell. | 07-17-2014 |
20150248928 | BOOST SYSTEM FOR DUAL-PORT SRAM - A boost system for dual-port SRAM includes a comparator and a boost circuit. The comparator is configured to compare a first row address of a first port and a second row address of a second port, and output a first enable signal. The boost circuit is configured to boost a voltage difference between a first voltage source and a second voltage source according to the first enable signal. | 09-03-2015 |
Patent application number | Description | Published |
20140162059 | ADHESIVE COMPOSITION, ADHESIVE TAPE AND ADHESION STRUCTURE - A halogen-free pressure-sensitive adhesive composition is provided, based on the total weight of the composition, comprising (A) 15-60 wt % of acrylic-based polymer, (B) 10-50 wt % of thermally conductive filler, and (C) 20-50 wt % of halogen-free flame retardant, based on 100% of the total weight of the composition, wherein the component (C) comprises: sub-component (C1) comprising at least one organophosphorous-based flame retardant; and sub-component (C2) comprising at least one flame retardant selected from the group consisting of nitrogen-containing compound-based flame retardants, graphite material-based flame retardants, melamine cyanurate-based flame retardants, metal hydroxide-based flame retardants, metal oxide-based flame retardants, metal phosphate-based flame retardants other than the organophosphorous-based flame retardants of (C1), and the composition has a P content no less than 4.0 wt %, based on 100 wt % of the total weight of the composition. A halogen-free pressure-sensitive adhesive tape and an adhesion structure are also provided. | 06-12-2014 |
20150232718 | ADHESIVE COMPOSITION AND ADHESIVE TAPE - The present invention provides a thermally conductive adhesive composition, based on the total weight of the composition, comprising: (a) 5-70% by weight of an epoxy component; (b) 5-60% by weight of thermally conductive material; (c) 0.001-10% by weight of a photoinitiator; (d) 0-40% by weight of a thermoplastic polymer; (e) 0-50% by weight of a hydroxyl-functional component; and (f) 0-50% by weight of a halogen-free flame retardant. The present invention further provides a thermally conductive adhesive tape comprising the adhesive composition. | 08-20-2015 |
Patent application number | Description | Published |
20130343268 | Data Sending Method, Device and System - The present invention discloses a data sending method, device and system. The data sending method includes: before establishing a connection with a wireless network side, detecting whether a wireless terminal has data to be sent to the wireless network side, the data to be sent including signaling data for establishing the connection between the wireless terminal and the wireless network side; if a result of detecting whether the wireless terminal has data to be sent to the wireless network side is that the wireless terminal does not have data to be sent, making sure that a power amplifier (PA) of the wireless terminal is in a non-working state; if a result of detecting whether the wireless terminal has data to be sent to the wireless network side is that the wireless terminal has data to be sent, making sure that a PA of the wireless terminal is in a working state. | 12-26-2013 |
20140099956 | METHOD AND APPARATUS FOR CONTROLLING CELL RESELECTION - Embodiments of the present application provide a method and an apparatus for controlling cell reselection, which relate to the field of communication terminal technologies. The method includes: when the signal strength of a current serving cell of a terminal is lower than a set value and the duration of which exceeds a first time period, acquiring signal strengths of the current serving cell and a neighboring cell within a second time period; determining signal stability of the current serving cell according to the signal strength of the current serving cell, and determining signal stability of the neighboring cell according to a signal strength of the neighboring cell; and keep the current serving cell when the signal stability of the neighboring cell is not better than the signal stability of the current serving cell. The embodiments of the present application are mainly applied to a cell reselection process. | 04-10-2014 |
20140105093 | Data Sending Method, Device and System - The present invention discloses a data sending method, device and system. After establishing a connection between a wireless terminal and a wireless network side, it is detected whether the wireless terminal has data to be sent to the wireless network side. The data to be sent includes signaling data or user data. If a result of the detecting is that the wireless terminal does not have data to be sent, a power amplifier of the wireless terminal is confirmed to be in a non-working state. If a result of the detecting is that the wireless terminal has data to be sent, a power amplifier of the wireless terminal is confirmed to be in a working state. | 04-17-2014 |
Patent application number | Description | Published |
20140321398 | Methods and Apparatus for Random Access in a Communication System - Embodiments of the present invention relate to a method and an apparatus for processing random access in a wireless communication network, and a processing method of a user equipment and an apparatus. The method for processing random access in the communication network includes: the base station receives a first Zadoff-Chu sequence and a second Zadoff-Chu sequence that are sent by a user equipment, a d | 10-30-2014 |
20150131426 | METHOD, APPARATUS AND SYSTEM FOR PROCESSING VERY-HIGH-SPEED RANDOM ACCESS - The present invention discloses a method, an apparatus and a system for processing very-high-speed random access. The method includes: selecting a ZC sequence group according to a cell type and a first cyclic shift parameter Ncs, and setting N detection windows for each ZC sequence in the ZC sequence group, where N≧5; sending the cell type, a second Ncs, and the ZC sequence group to a UE; receiving a random access signal sent by the UE, and obtaining the random access sequence from the random access signal; performing correlation processing on the random access sequence with each ZC sequence in the ZC sequence group, detecting a valid peak value in the N detection windows of each ZC sequence, and determining an estimated value of an RTD according to the valid peak value, so that a UE in a very-high-speed scenario can normally access a network, thereby improving network access performance. | 05-14-2015 |
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20140114613 | METHOD AND APPARATUS FOR DIAGNOSIS AND RECOVERY OF SYSTEM PROBLEMS - Embodiments of the present invention relate to method and apparatus for system problem diagnosis and recovery. According to embodiments of the present invention, problem symptom information in a system can be automatically monitored and collected BY a monitoring apparatus (or referred as to “agent”) deployed at the system side. Upon after receiving such information, the diagnosis apparatus, for example, may automatically determine a root cause of the problem by querying a backend knowledge repository, and possibly generate an executable software package for recovering the problem. If the diagnosis apparatus determines that the currently available information is insufficient to determine a creditable enough root cause and/or is insufficient to generate the software package for recovering the problem, the diagnosis apparatus may interactively control the monitoring apparatus to collect desired additional information. In this way, the efficiency and accuracy of problem diagnosis and recovery may be improved. | 04-24-2014 |
20140122637 | METHOD AND APPARATUS FOR PROVIDING CACHING SERVICE IN NETWORK INFRASTRUCTURE - A method and apparatus for providing caching service in network infrastructure. In an embodiment, there is provided a method for providing caching service in network infrastructure, comprising: in response to at least one application node accessing data in a storage node, caching a copy of the data in a cache server; in response to the at least one application node accessing the data in the storage node, obtaining an identifier indicating whether the data in the storage node is valid or not; and in response to the identifier indicating the data in the storage node is valid, returning the copy; wherein the at least one application node and the storage node are connected via the network infrastructure, and the cache server is coupled to a switch in the network infrastructure. In another embodiment of the present invention, there is provided an apparatus for providing caching service in network infrastructure. | 05-01-2014 |
20140189857 | METHOD, SYSTEM, AND APPARATUS FOR SECURELY OPERATING COMPUTER - The present invention provides a method, system and apparatus for securely operating a computer. The method comprises: obtaining presence status of an authenticated user, the presence status indicating whether the authenticated user is present in the vicinity of the computer; and triggering security operation in response to that the presence status indicates the authenticated user is absent in the vicinity of the computer. By means of the method, current status of an authenticated user who has logged in can be easily learned, and in turn, corresponding security operation is performed; in addition, when a user is performing sensitive operation, it can be confirmed in real time whether the user is an authenticated user who previously logged in, so that security of operating the computer is improved. | 07-03-2014 |
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20150018967 | Duodenum Endothelium Membrane Made From Degradable Biocompatible Materials and Application Thereof - This invention provides a duodenum endothelium membrane made of degradable shape-memory biocompatible materials. The endothelium membrane planted in the duodenum can divide chyme and bile-pancreatic juice, avoiding direct digestion, absorption, and metabolism of gastric effluent in the duodenum. After being implanted, the endothelium membrane is stable and difficult to slip and incarcerate, and is gradually degraded through two months to five years, avoiding complicated operation and organ tissue injury when removing later, and slowing down the “rebound” effect after complete demolition of the original barrier in an instant. The endothelium membrane is prepared into the medical device free of removing and treating obesity and diabetes. The endothelium membrane can avoid the deflation of the tubular portion induced by gastrointestinal peristalsis and gap increase between the endothelium membrane of the tubular portion and inner wall of the duodenum further to avoid regurgitation of jejunum contents. | 01-15-2015 |
20150230958 | INTERNAL COVERING MEMBRANE OF DUODENUM PREPARED BY ELECTROSPINNING METHOD - An internal covering membrane of duodenum can be made from biocompatible materials via electrospinning technology is described herein. After the internal covering membrane of duodenum is implanted into the duodenum, it can not only prevent food from contacting with the intestinal mucosa in anatomy, but also make no affect on the functions of intestinal mucosa cells in physiology. The internal covering membrane can be made by blending electrospinning or/and multilayer electrospinning or/and core-shell electrospinning or/and dry electrospinning, and can be used to manufacture medical devices for treating diabetes and obesity, with functions of reducing damage, preventing falling-off, avoiding removal and inhibiting bounce. | 08-20-2015 |
20150359750 | POSITIONING IMMEDIATE-RELEASE BIOADHESIVE AND APPLICATION THEREOF - Provided is a positioning immediate-release bioadhesive and relates to a medical device for preventing or/and treating diabetes, obesity, alcoholism, gastric and intestinal mucosal inflammation or/and ulcers and the like. The positioning immediate-release bioadhesive is prepared by preparing a biocompatible bioadhesive material into micro-particles, externally adding an immediate-release disintegrant, tabletting and then performing enteric or gastric coating; or performing enteric or gastric coating on the micro-particles; or filling into enteric-coated or gastric-coated hollow capsules; or directly tabletting the bioadhesive material, the immediate-release disintegrant and other additional agents and then performing enteric or gastric coating. After the positioning immediate-release bioadhesive is taken, the positioning immediate-release bioadhesive can realize positioning and immediate release, rapidly adhere to and cover the upper segment of duodenum and jejunum or/and gastric mucosa and weaken the absorption of the upper segment of duodenum and jejunum or/and stomach. The positioning immediate-release bioadhesive is orally administered, convenient to carry, convenient to store and convenient to use, and a patient using the positioning immediate-release bioadhesive does not need to go to a hospital, perform an operation or use endoscopy and further has no pain, thereby enhancing the compliance of a user and avoiding the complexity of the operation. | 12-17-2015 |
Patent application number | Description | Published |
20130317142 | FLAME RETARDANT THERMOPLASTIC COMPOSITIONS, METHODS OF MANUFACTURE THEREOF AND ARTICLES COMPRISING THE SAME - Disclosed herein is a flame retardant composition comprising 10 to 75 weight percent of a polycarbonate; 10 to 30 weight percent of a polyester; 10 to 35 weight percent of a polysiloxane-polycarbonate copolymer; and a phosphazene flame retardant, where all weight percents are based on the total weight of the flame retardant composition. Disclosed herein too is a method of manufacturing a flame retardant composition comprising blending 30 to 50 weight percent of a polycarbonate; 10 to 30 weight percent of a polyester; 10 to 35 weight percent of a polysiloxane-polycarbonate copolymer; and a phosphazene flame retardant, where all weight percents are based on the total weight of the flame retardant composition. | 11-28-2013 |
20130317150 | FLAME-RESISTANT POLYESTER-POLYCARBONATE COMPOSITIONS, METHODS OF MANUFACTURE, AND ARTICLES THEREOF - A composition comprising a polyester, polycarbonate, organopolysiloxane-polycarbonate block copolymer, organophosphorus flame retardant, fluorinated polyolefin, and one or more additives. In one embodiment, the composition has an improved balance of properties, including one or more of a melt volume rate, Vicat softening temperature, notched Izod impact strength and a UL 94 flammability rating. | 11-28-2013 |
20140058023 | POLYCARBONATE COMPOSITIONS - Disclosed herein are methods and compositions of blended polycarbonate resins with improved flame resistance and impact strength. The resulting compositions can be used in the manufacture of articles while still retaining the advantageous physical properties of blended polycarbonate compositions with improved flame resistance and impact strength. This abstract is intended as a scanning tool for purposes of searching in the particular art and is not intended to be limiting of the present invention. | 02-27-2014 |
20150232661 | THERMOPLASTIC COMPOSITION AND ARTICLE - A composition includes specific amounts of an aromatic polycarbonate, an impact modifier, a black colorant, and a copolyester or a block polyestercarbonate or a combination of the copolyester and the block polyestercarbonate. The composition exhibits increased gloss and decreased haze relative to a corresponding composition without the copolyester or the block polyestercarbonate. The composition is useful for fabricating parts such as television bezels, covers of computer gaming consoles, and mobile phone front bezels and back covers. | 08-20-2015 |
20150240074 | POLYESTER-POLYCARBONATE COMPOSITION AND ARTICLE - A composition includes specific amounts of an aromatic polycarbonate, a block polycarbonate-polysiloxane, a poly(alkylene terephthalate), a block polyestercarbonate, and an organophosphate ester. Relative to a corresponding composition lacking the block polyestercarbonate, the composition exhibits improved solvent resistance while substantially maintaining impact strength, melt flow, and flame retardancy. The composition is useful for fabricating articles that may come into contact with liquid chemicals or chemical vapors. | 08-27-2015 |
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20120076345 | SYSTEM AND METHOD FOR WIND TURBINE INSPECTION - A system and method for inspecting a wind turbine for indications is disclosed. The method includes providing an inspection system spaced from the wind turbine, appraise a rotor blade of the wind turbine, and inspecting the rotor blade for indications. The inspection system includes an observation system and an inspection device, the observation system including an appraisal device and an automated scanning device, the appraisal device configured to provide an image of at least a portion of the rotor blade, the automated scanning device configured to rotate about at least one axis, shifting the image. | 03-29-2012 |
20120147383 | MEASUREMENT SYSTEMS AND METHODS - A measurement system comprising a light source unit, a projection unit and an optics unit is disclosed. The light source unit is configured to generate a plurality of modulated phase shifted light beams. The projection unit is configured to reflect the modulated phase shifted light beams onto an object surface. The optics unit is configured to capture the modulated phase shifted light beams from the object surface. The measurement system further comprises a photodetector and a processor. The photodetector is configured to receive the modulated phase shifted light beams from the optics unit to generate electrical signals. The processor is configured to retrieve position information of the object surface based on the electrical signals from the photodetector. A measurement method is also presented. | 06-14-2012 |
20120149281 | DISTANCE MEASUREMENT SYSTEMS AND METHODS - A distance measurement system comprises an optical distance sensor configured to generate a light beam, a first optical module, and a processor. The first optical module is configured to receive the light beam, and generate and selectively transmit a plurality of light beams having different light channels for projection onto one or more points of an object to generate one or more reflected light beams scattered from the respective one or more points of the object, and capture and transmit the one or more reflected light beams into the optical distance sensor to retrieve a plurality of distance data to the respective one or more points of the object. The processor is configured to process the distance data to determine position information of the respective one or more points of the object. A distance measurement method is also presented. | 06-14-2012 |
20130194567 | SYSTEM AND METHOD FOR WIND TURBINE BLADE INSPECTION - A system for inspection of a blade of a wind turbine in operation is provided. The system comprises a light projection unit, an imaging unit and a processing unit. The light projection unit generates and projects a light pattern towards a blade of a wind turbine in operation. The imaging unit captures a plurality of scanning light patterns on the blade of the wind turbine during rotation of the blade. The processing unit is configured to process the plurality of the captured d light patterns from the imaging unit for inspection of deflection of the blade. A method for inspection of a blade of a wind turbine in operation is also presented. | 08-01-2013 |
20130300855 | SYSTEM AND METHOD FOR PERFORMING AN INTERNAL INSPECTION ON A WIND TURBINE ROTOR BLADE | 11-14-2013 |
Patent application number | Description | Published |
20130145984 | METHOD OF EPITAXIAL GROWTH EFFECTIVELY PREVENTING AUTO-DOPING EFFECT - This invention relates to a method of epitaxial growth effectively preventing auto-doping effect. This method starts with the removal of impurities from the semiconductor substrate having heavily-doped buried layer region and from the inner wall of reaction chamber to be used. Then the semiconductor substrate is loaded in the cleaned reaction chamber to be pre-baked under vacuum conditions so as to remove moisture and oxide from the surface of said semiconductor substrate before the extraction of the dopant atoms desorbed from the surface of the semiconductor substrate. Next, under high temperature and low gas flow conditions, a first intrinsic epitaxial layer is formed on the surface of said semiconductor substrate where the dopant atoms have been extracted out. Following this, under low temperature and high gas flow conditions, a second epitaxial layer of required thickness is formed on the structural surface of the grown intrinsic epitaxial layer. Last, silicon wafer is unloaded after cooling. This method can prevent auto-doping effect during the epitaxial growth on semiconductor substrate and thus ensure the performance and enhance the reliability of the devices in peripheral circuit region. | 06-13-2013 |
20130189799 | METHOD OF FABRICATING DUAL TRENCH ISOLATED EPITAXIAL DIODE ARRAY - The present invention discloses a method of fabricating dual trench isolated epitaxial diode array. This method starts with the formation of heavily-doped first conductivity type regions and heavily-doped second conductivity type regions on the substrate, followed by epitaxial growth, then the formation of the isolations between diode array word lines by deep trench etch and the formation of the isolations between bit lines vertical to deep trenches by shallow trench etch, and finally the formation of separate diode array cells in the regions enclosed by deep and shallow trench isolations by ion implantation. This invention also provides a method of preventing the crosstalk current between adjacent word lines and bit lines of epitaxial diode arrays isolated by foregoing dual shallow trenches. This invention can be used for diode-driven, high-density, large-capacity memory, such as phase change random access memory, resistive memory, magnetic memory and ferroelectric memory; the method thereof is completely compatible with conventional complementary metal-oxide semiconductor (CMOS) process, and because the diode arrays can be formed before the formation of peripheral circuits, no drift of peripheral circuits will be caused by the thermal process thereof, thereby solving the technical challenge of fabricating high-density, large-capacity embedded phase change random access memory. | 07-25-2013 |
20150362564 | MAGNETIC SENSING APPARATUS AND MAGNETIC SENSING METHOD THEREOF - A magnetic sensing apparatus includes a third direction magnetic sensing component that includes a substrate and a pair of coupled magnetic sensing modules. A groove is set in surface of the substrate. The magnetic sensing module includes a magnetic conductive unit, where a main part of the magnetic conductive unit is set in the groove, and a part of it is exposed out the groove and to surface of the substrate, in order to collect magnetic field signal in the third direction and output the magnetic field signal. The magnetic conductive unit includes a magnetic material layer. The magnetic sensing module includes an inducing configured to receive the magnetic field signal in the third direction and measure corresponding magnetic field strength in the third direction by the magnetic field signal. The inducing unit includes a magnetic material layer. | 12-17-2015 |
Patent application number | Description | Published |
20120275432 | METHOD FOR SHORTENING SIGNALING DELAY OF ISC SESSION TRANSFER, NETWORK ELEMENT AND SYSTEM - The present invention provides a method for shortening signaling delay of ISC session transfer procedure, a network element for controlling ISC session transfer, a network element for anchoring a media path in ISC session transfer and a communication system including at least two terminals and the above two network elements. In the present invention, the SCC AS decides if a media path needs to be anchored in a media anchor point MRF, and if yes, then instructs a MRF to assign respective media endpoints for a local UE and a remote UE and connect the two media endpoints together, so as to divide the session between the local UE and the remote UE into two independent sub-sessions: a session between the local UE and the MRF, and a session between the remote UE and the MRF. For these two sub-sessions, the SIP signaling is terminated and sent out in the SCC AS. Thus, when a local UE or a remote UE triggers handover, only one sub-session needs to be updated/influenced. | 11-01-2012 |
20140245417 | CENTRALIZED SECURE MANAGEMENT METHOD OF THIRD-PARTY APPLICATION, SYSTEM AND CORRESPONDING COMMUNICATION SYSTEM - A technique is provided for performing a centralized secure management on a third-party application. The technique includes receiving, by the centralized secure management system, an identity, an authentication credential and an access grant of the third-party application sent by the third-party application in a distinguishable manner. The centralized secure management system forwards the identity and the access grant to an Authorization Server after successfully authenticating the third-party application. The Authorization Server issues an access token for accessing protected resources to the third-party application through the centralized secure management system when the access grant is valid. | 08-28-2014 |
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20100174819 | METHOD FOR PROCESSING REGISTER REQUEST, NETWORK ELEMENT, AND COMMUNICATION SYSTEM - The invention provides a method for processing register request, network element, and a communication system. The method for processing a register request of a terminal in a communication system that comprises a first network element (GSN) for providing IP networking service to said terminal, a second network element (P-CSCF) for providing SIP proxy service to said terminal, a third network element (S-CSCF) for providing SIP subscriber service to said terminal, and a fourth network element (HSS) for storing information about said terminal including said terminal's address; wherein the communication system further comprises a fifth network element (NAPT) for translating said terminal's address in between said first network element and said second network element; said method comprise: determining whether a message issued by said terminal for said register request has undergone Network Address Port Translation; indicating an address for address verification in said message based on the determination whether said message has undergone Network Address Port Translation; and verifying the address for address verification in said message against the information stored in said fourth network element. | 07-08-2010 |
20110016314 | METHODS AND ENTITIES USING IPSec ESP TO SUPPORT SECURITY FUNCTIONALITY FOR UDP-BASED OMA ENABLES - Methods in OMA SEC_CF for providing security services to traffic over UDP between a client and a server and the relevant entities are provided. A pre-shared key is pre-shared between the client and the server. A pair of IPSec ESP SAs between the client and the server is established without shared key negotiation, wherein traffic data cryptographic algorithms are determined. Traffic data security keys are derived from the pre-shared key via the determined traffic data cryptographic algorithms. Then, data of the traffic can be provided with security services with the traffic data security keys through use of IPSec ESP. | 01-20-2011 |
20110171982 | METHOD AND DEVICE FOR PROVIDING WIRELESS ACCESSED USER WITH A MONOPOLIZED SERVICE CONTROL RIGHT - A method and device are provided in the present invention, for providing the exclusive service control right of to the wireless access user. Wherein, the network device provides a plurality of format template information of the user terminals for requesting the service control right, and particularly for requesting the service control right of the video collecting device in wireless video surveillance system. Preferably, the template information is edited with the OMA interactive media file, and the user terminal generates an interactive command according to command format information that is corresponding to the user terminal, and sends to the network device, so as to request for service control right. The network device processes the interactive command received from different user terminals, so as to provide the user terminal with service control right. With the present invention, the user terminal can easily and promptly edit the interactive command so as to request for service control right, and the network device can process the user's interactive commands timely and accurately, so as to determine the affiliation of the exclusive service control right, and enables the user with better experience. | 07-14-2011 |
20120084820 | METHOD AND APPARATUS FOR NOTIFICATION AND INTERACTION OF MULTI-SCREEN SERVICE IN COMMUNICATION SYSTEM - A uniform multi-screen service request command template is defined by using an OMA interactive media document so that a notification of a network device about a multi-screen service and a request command of a user for multi-screen service content are compatible with the OMA standard. With the multi-screen service request command template defined in the OMA interactive media document in the invention, the user can create a request command in the uniform format simply and rapidly to thereby greatly reduce the probability of an input error of the user. Furthermore, it is not necessary to set up a connection in advance, thus greatly shortening a delay and reducing the probability of an error and hence greatly improving a quality of experience of the user. | 04-05-2012 |
20140082507 | INTERACTIVE MULTI-SCREEN SERVICE CONTENT DELIVERY METHOD AND DEVICE - The present invention relates to a method for delivering interactive multi-screen service content in a multi-screen service content delivery system as well as a server and user terminal for implementing the method. According to an embodiment of the present invention, a method of delivering multi-screen content from a server to a plurality of user terminals simultaneously in a multi-screen content delivery system comprises: providing an interactive media document form the server to the plurality of user terminals wherein the interactive media document comprises an identification of the multi-screen content and a plurality of time options for playing or downloading the multi-screen content and the server collecting a plurality of user-selected time options and multicasting or broadcasting the multi-screen content according to the selected time options such that broadcast/multicast technique is used as much as possible for simultaneous video content delivery to a plurality of user to improve the efficiency of network utilization. | 03-20-2014 |