Patent application number | Description | Published |
20110044272 | METHOD AND DEVICE FOR USER PAIRING FOR UPLINK MULTI-USER MIMO UNDER COORDINATED MULTIPLE POINT TRANSMISSION SCENARIO - A method of pairing users for an uplink multi-user multiple-input-multiple-output (MU-MIMO) system under coordinated multipoint transmission (CoMP) scenario in a communication system, which includes: selecting, by a first cell of the communication system, at least one initial user served by the cell as a first paired user; selecting, by the first cell, a candidate paired user according to the service type of the first paired user; and determining, from the different service types of the first paired user and the candidate paired user, a pairing type to be formed, and determining whether the candidate paired user and the first paired user can be paired into the pairing type to be formed by using a predetermined determination criterion according to the pairing type. It is further provided a device for performing the method. The throughput and communication efficiency of the communication system can be improved with the method and device for pairing users. | 02-24-2011 |
20110270824 | COLLABORATIVE SEARCH AND SHARE - Collaborative search and share is provided by a method of facilitating collaborative content-finding, which includes displaying a toolbar user interface object for each user that not only allows each user to perform content-finding but also increases awareness of each user to the activities of other users. The method further includes displaying content results as various disparate image clips that can easily be shared, moved, etc. amongst users. | 11-03-2011 |
20120108773 | CATALYSTS FOR POLYMERIZATION OF ISOPRENE AND PREPARATIONS AND USES THEREOF - Disclosed are catalyst compositions for isoprene polymerization formed from components comprising (A) at least one titanium halide; (B) at least one organic aluminum compound comprising at least one alkyl aluminum of formula AlR | 05-03-2012 |
20120300656 | CODEBOOK BASED CHANNEL INFORMATION FEEDBACK METHOD, DEVICE AND SYSTEM - A codebook based channel information feedback method, device and system are provided in the present invention. The codebook based channel information feedback method includes: measuring, by a terminal in a communication system, a parameter of a downlink channel between the terminal and a base station of the communication system; selecting a plurality of precoding matrixes from a precoding codebook by using the parameter of the downlink channel, wherein a plurality of the precoding matrixes can be used by both of single-user multi-input multi-output (MIMO) transport mode and multi-user MIMO transport mode, and the precoding codebook is an aggregation of precoding matrixes; and feeding back a first information for indicating a plurality of the precoding matrixes to the base station. | 11-29-2012 |
20130201862 | METHOD AND DEVICE FOR FEEDING BACK DOWNLINK CHANNEL FEEDBACK INFORMATION, AND METHOD AND DEVICE FOR USER PAIRING - A method and device for feeding back downlink channel feedback information, and a method and device for user pairing. The method for feeding back downlink channel feedback information includes: calculating the multi-user channel quality indication error of a user, which error is used to reflect the difference in channel quality indication between the situation of multi-user multiple input multiple output transmission and the situation of single user multiple input multiple output transmission; adding the multi-user channel quality indication error into the downlink channel feedback information which includes a pre-coding matrix indication and a channel quality indication, and feeding the same back to a base station for scheduling. Therefore, the bit error rate of demodulation in the MIMO system can be reduced and the system performance can be improved. | 08-08-2013 |
20130341487 | Single Photon-Counting Imaging System and Method Thereof - The invention relates to a single-photon counting imaging system and a single-photon counting imaging method. The system comprises a optical filter, a first lens, a digital micro-mirror device (DMD) control system, a second lens, a single-photon counter and a data processing unit, where the DMD together with the first lens and the second lens are used for converting two-dimensional image data into a one-dimensional sequence to complete sampling of measured signals; the ultra-weak light is filtered by the optical filter, after which the ultra-weak light image onto the DMD through the first lens, and the DMD control system controls the probability of the photons reflected to the second lens and the second lens controls the focusing of the photons; and the data processing unit together with the single-photon counter to complete sparse reconstruction, and the data processing unit converts the number of photons counted by the single-photon counter within a certain period of time into the probability of detected photon counts, as the measured value, and a photon density image is reconstructed by adopting an optimization algorithm based on the measurement matrix on the DMD and the measured value, thereby solving out the two-dimensional image. | 12-26-2013 |
20140040238 | Business Intelligent In-Document Suggestions - Implementing business intelligent in-document suggestion may include detecting a content that a user is inputting into a document or selecting from the document. Based on the content, a key word may be extracted to generate a query. The query may be transmitted to an enterprise search engine for enterprise intelligence. Based on returned search results, a suggestion may be generated and presented to a user device by integrating the suggestion into the document. In some embodiments, the suggestion may include a people suggestion, a document suggestion, a phrase suggestion and a document template suggestion. In some embodiments, adding an additional content or selecting a subset of the content may refine the suggestion. | 02-06-2014 |
20140043486 | Multi-Spectral Imaging Method for Ultraweak Photon Emission and System Thereof - An ultra-weak light multispectral imaging method and an ultra-weak light multispectral imaging system, which can realize multispectral two-dimensional imaging of an ultra-weak light object by constituting a linear array from single-photon detectors of all response wavelengths and combining it with light-splitting technology. The ultra-weak light multispectral two-dimensional imaging system realizes high-resolution optical modulation by adopting the compressive sensing (CS) theory and the digital light processing (DLP) technology and using a linear array single-photon detector as a detection element; the ultra-weak light multispectral two-dimensional imaging system comprises a light filter, a first lens ( | 02-13-2014 |
20140253713 | Time-Resolved Single-Photon or Ultra-Weak Light Multi-Dimensional Imaging Spectrum System and Method - A single-photon or ultra-weak light multi-D imaging spectral system and method. In order to realize rough time resolution, a time-resolved single-photon counting 2D imaging system for forming color or grey imaging is provided. Moreover, in order to realize high-precision time resolution, the system comprises a light source, an imaging spectral measurement unit, an electric detection unit, a system control unit and an algorithm unit. The light carrying information of an object is imaged on a spatial light modulator and randomly modulated according to compressed sensing theory, emergent light of a grating is collected using a point or array single-photon detector, the number of photons and photon arrival time are recorded, and reconstruction is carried out using the compressed sensing algorithm and related algorithm of the spectral imaging. The system provides single-photon detection sensitivity, high time resolution and wide spectral range, and can be applied in numerous new high-tech industries. | 09-11-2014 |