Patent application number | Description | Published |
20150123573 | LED ACTUATING DEVICE AND METHOD - An LED actuating device comprises an LED actuating module, the LED actuating module comprises a micro-programmed control unit (MCU), a VF-value detection module, an actuator and an LED lamp unit; the MCU receives the VF value detected by the VF-value detection module; when the VF value is greater than or equal to a first boundary value, the LED lamp unit is actuated to operate in the constant current area at the first constant actuating current by the actuator; when the VF value is less than the first boundary value, the LED lamp unit is actuated to operate in the regulation area at the continuous step-down actuating current by the actuator until the VF is equal to the second boundary value, and the second boundary value is less than the first boundary value. | 05-07-2015 |
20150123574 | LED ACTUATING DEVICE AND METHOD - An actuating device comprises an LED actuating module. Said LED actuating module comprises a micro-programmed control unit (MCU), an actuator, a VF-value detection module, a PN-junction temperature acquisition module and an LED lamp unit. The MCU determines the current value matched with the LED lamp unit based on the VF value detected by the VF-value detection module and the temperature value detected by the PN-junction temperature acquisition module, and then determines the width of the PWM pulse output to the actuator according to the current value, and the actuator actuates an LED to operate at the matched current value. | 05-07-2015 |
Patent application number | Description | Published |
20140341163 | METHOD, ENODEB AND USER EQUIPMENT FOR TRANSMITTING RANDOM ACCESS RESPONSE MESSAGES - A method, an eNodeB and a User Equipment for transmitting Random Access Response messages are provided. The method includes: receiving Random Access Preamble transmitted by the UE through the Random Access Channel; according to the RAP, determining whether the UE belongs to the central group or the edge group of the Random Access Area; after determining that the UE belongs to the central group of the RAA, determining the RAA which the UE belongs to; transmitting the first RAR message to the UE according to the RAP, the channel resource information of the RACH, and the RAA. By transmitting the RAR message on the basis of the RAP and the RAA, the method, eNB and UE for transmitting RAR messages enable different RAR messages to be transmitted with respect to identical Random Access requests of different RAAs. | 11-20-2014 |
20160080124 | METHOD, ACCESS POINT, SERVER AND STATION USED FOR COORDINATED TRANSMISSION - The present disclosure discloses a method, an AP, a server, and an STA used for coordinated transmission. The method includes: an AP receives an uplink preamble training sequence transmitted by an STA; the AP determines uplink quality information according to the uplink preamble training sequence; and the AP transmits the uplink quality information to a server, to enable the server to determine a downlink coordinated transmission set according to the uplink quality information. The method, the AP, the server, and the STA used for coordinated transmission according to embodiments of the present disclosure can realize coordinated transmission among multiple APs, and thus data throughput can be improved. | 03-17-2016 |
Patent application number | Description | Published |
20120207119 | METHOD OF NOTIFYING RESOURCE ALLOCATION FOR DEMODULATION REFERENCE SIGNALS - A method of notifying resource allocation for Demodulation Reference Signal (DMRS) is provided. A base station notifies to a user equipment a power offset value between an average EPRE value for data symbols and an average EPRE value for the DMRS at each layer in a semi-static or static manner. Also, the base station dynamically notifies to the user equipment a current channel rank or a current DMRS distribution pattern for the user equipment. The user equipment determines an allocated DMRS antenna port based on a correspondence between the received channel rank and an allocation of DMRS antenna port, thereby obtaining resource allocation information for the DMRS. The signaling overhead for power allocation in the system can be reduced, the efficiency of power amplifier can be improved and the flexibility of system scheduling can be increased. A method of notifying antenna port resource allocation for DMRS is also provided. | 08-16-2012 |
20120224551 | INFORMATION FEEDBACK METHOD AND USER EQUIPMENT - The present invention discloses an information feedback method. The method comprises steps of a serving cell and/or a user equipment determining a cooperating cell set participating multi-antenna-multi-cell cooperation, the cooperating cell set including the serving cell and non-serving cells, the user equipment and/or the serving cell selecting transmit-ports of the serving cell and non-serving cells according to the determined cooperating cell set, the user equipment obtaining channel state information of the selected transmit-ports, and the user equipment feeding back identification information and the channel state information of the selected transmit-ports. The present invention provides also a serving cell, a cooperative cell and a user equipment for feeding back the identification information and channel state information of the selected transmit-ports. The present invention has advantages of simple implementation and less signaling overhead. | 09-06-2012 |
20120281657 | METHOD FOR DOWNLINK MULTI-ANTENNA MULTI-BASE STATION INTERFERENCE COORDINATION AND BASE STATION - A base station in a downlink multi-antenna multi-base station system comprises: a unit for acquiring spatial domain characteristic information for downlink interference; a unit for generating an interference coordination indication based on the spatial domain characteristic information for downlink interference; and a background interface communication unit for transmitting the generated interference coordination indication to a neighboring base station, instructing the neighboring base station to perform resource scheduling, thereby reducing or eliminating interference on the base station. Also disclosed is a method for interference coordination, which is capable of reducing or eliminating interference on a serving base station from its neighboring base stations by utilizing an interference coordination indication transmitted from the serving base station. Only a small amount of inter-base station signaling interaction is required to achieve distributed inter-cell interference coordination. The present invention has the advantages of low signaling overhead, simple implementation, decreased delay, and flexible adaptation. | 11-08-2012 |
Patent application number | Description | Published |
20140146129 | Telepresence method, terminal and system - The disclosure discloses a telepresence method, a telepresence terminal and a telepresence system. The system includes a telepresence terminal, multiple audio inputting devices and multiple audio outputting devices and/or multiple video inputting devices and multiple video outputting devices and a remote endpoint, wherein the telepresence terminal has multiple audio and video inputting and outputting interfaces for connecting the multiple audio inputting devices and the multiple audio outputting devices and/or the multiple video inputting devices and the multiple video outputting devices, and is configured to: establish a session, exchange input/output location information of multiple audio streams and/or video streams, perform media capability negotiation, and establish media logical channels with the remote endpoint; encode streams input by the multiple audio inputting devices and/or the multiple video inputting devices, and send the encoded streams to the remote endpoint according to input/output locations of the streams based on the established media logical channels; receive and decode multiple audio streams and/or video streams from the remote endpoint, and forward the decoded streams respectively to audio outputting devices and/or video outputting devices at local locations corresponding to input/output locations of the multiple audio streams and/or video streams received, so that the decoded streams are played by the audio outputting devices and/or the video outputting devices at the local locations. With the disclosure, problems of complicated deployment of an existing telepresence system, intercommunication and stream synchronization within the system are solved. | 05-29-2014 |
20150215175 | Method and device for conference reservation - Disclosed are a method and a device for conference reservation, wherein the method includes: the conference time information and the position selection range information are matched with pre-stored conference resource information; if the matching succeeds, the conference is successfully reserved; if the matching fails, the conference is not successfully reserved; wherein the conference resource information includes idle or occupied status information based on a time axis for all terminals and resource consumption status information based on the time axis for a Multipoint Control Unit (MCU). The method and device according to the present disclosure can improve apparently the success rate of conference reservation, and can improve the utilization of equipment resources, thereby leading to an improvement on productivity. | 07-30-2015 |
Patent application number | Description | Published |
20120237851 | PERFLUORINATED ION EXCHANGE RESIN, PREPARATION METHOD AND USE THEREOF - The present invention provides a perfluorinated ion exchange resin, whose structural formula is shown in formula M. The present invention also provides preparation method of the perfluorinated ion exchange resin, comprising subjecting tetrafluoroethylene monomers and two kinds of sulfonyl fluoride-containing vinyl ether monomers in the presence of initiator to ternary copolymerization. The perfluorinated ion exchange resin provided in accordance with the present invention can fulfill the requirements of mechanical strength and ion exchange capacity at the same time and has good thermal stability. | 09-20-2012 |
20120282541 | HIGH EXCHANGE CAPACITY PERFLUORINATED ION EXCHANGE RESIN, PREPARATION METHOD AND USE THEREOF - The present invention provides a high exchange capacity perfluorinated resin comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, which is prepared by copolymerizing tetrafluoroethylene, vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures, and vinyl ether monomer comprising bromine-containing pendant group, wherein based on all monomer units in the copolymer, the mol % of tetrafluoroethylene monomer is 50-85%, the mol % of vinyl ether monomers comprising two kinds of sulfonyl fluoride-containing short pendant groups of different structures is 5-49% and the mol % of vinyl ether monomer comprising bromine-containing pendant group is 1-10%. Perfluorinated ion exchanges membrane prepared from such perfluorinated resin have resistance to various chemical media, high ion exchange capacity, high conductivity, high mechanical strength, high size stability, low membrane electrical resistance and long service life, and may be applied in fuel cells or high-temperature fuel cells. | 11-08-2012 |
20130095411 | FLUORINE CONTAINING IONOMER COMPOSITE WITH ION EXCHANGE FUNCTION, PREPARATION METHOD AND USE THEREOF - Provided is a composite which is comprised of one or more ion exchange resin(s) and fluorine containing polymer fiber, wherein the fiber and the film-forming resin form a triazine-ring crosslinked structure, so that the film prepared from the composite is of good airtightness and stability, as well as high ion exchange capacity and high conductivity. The preparation method of the composite, the product prepared from this composite and the use thereof are also provided. | 04-18-2013 |
20130096214 | COMPOSITE HAVING ION EXCHANGE FUNCTION AND PREPARATION METHOD AND USE THEREOF - A composite having ion exchange function, preparation method and use thereof are provided. The composite is formed by compounding ion exchange resin with fluorine-containing polymer porous membrane, wherein the nitrile groups in the ion exchange resin react with the nitrile groups grafted on the fluorine-contained polymer porous membrane to form triazine ring crosslinked structure. The composite has excellent mechanical property and gas impermeability, high ion exchange capacity and high electroconductivity. | 04-18-2013 |
20130101921 | FLUORINE CONTAINING IONOMER COMPOSITE WITH ION EXCHANGE FUNCTION, PREPARATION METHOD AND USE THEREOF - Provided is a composite which is comprised of one or more ion exchange resin(s) and a porous fluorine containing polymer membrane ( | 04-25-2013 |
20150086885 | COMPOSITE HAVING ION EXCHANGE FUNCTION AND PREPARATION METHOD AND USE THEREOF - A preparation method of composite materials having ion exchange function is provided. The method comprises the following steps: adding a trace of strong protonic acid and/or Lewis acid as a catalyst into the material during compounding, to allow nitrile groups of at least one nitrile group-containing ion exchange resin and nitrile groups of functional monomers grafted on the porous fluoropolymer membrane to form a triazine ring crosslinked structure. | 03-26-2015 |
20150194691 | PREPARATION METHOD OF FLUORINE-CONTAINING IONOMER COMPOSITE MATERIAL WITH ION EXCHANGE FUNCTION - The present provides a method for preparing a composite material, wherein the method comprises the following steps: (1) compounding a dispersion solution of an ion exchange resin containing a free radical initiator and a high-valence metal compound, with a functional monomer-grafted porous fluoropolymer membrane with a microporous structure by performing solution pouring, tape casting, screen printing process, spraying, or impregnating process; (2) subjecting a wet membrane to heat treatment at 30˜300° C., so that the free radical initiator can initiate crosslinking reaction between the porous membrane and the resin to obtain the composite material. | 07-09-2015 |