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Now showing items 97 - 112 of 960

  • RESOURCE ALLOCATION METHOD, DEVICE AND SYSTEM, AND RESOURCE OBTAINING METHOD AND DEVICE

    Embodiments of the present invention provide a resource allocation method, device and system, and a resource obtaining method and device, wherein the resource allocation method comprises: allocating at least one first resource collection to a user equipment, each first resource collection comprising S resource units that come from T second resource collections, S and T corresponding to different first resource collections being identical or different, and S and T being natural numbers greater than 0; and transmitting an Enhanced Physical Downlink Control Channel (EPDCCH) on the at least one first resource collection. Accordingly, embodiments of the present invention also provide a resource obtaining method and a related device and system. Embodiments of the present invention can solve the problem pertaining to EPDCCH resource allocation.
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  • SENDING METHOD AND RECEIVING METHOD FOR CONTROL CHANNEL, USER EQUIPMENT AND BASE STATION

    Provided are a sending method and a receiving method for a control channel, a user equipment and a base station. The sending method for a control channel comprises: mapping a common search space onto a downlink physical resource in accordance with a first mapping rule and mapping a dedicated search space onto the downlink physical resource in accordance with a second mapping rule, wherein the downlink physical resource onto which the common search space is mapped and the downlink physical resource onto which the dedicated search space is mapped are not overlapped; and sending control information borne by the common search space and control information borne by the dedicated search space on the downlink physical resources. The technical solution provided in the embodiments of the present invention can reduce the probability of the occurrence of a reception error on the user equipment and facilitates the user equipment obtaining more complete and accurate common control information and dedicated control information.
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  • METHOD AND DEVICE FOR ALLOCATING CONTROL CHANNEL CANDIDATES

    Provided are a method and device for allocating control channel candidates, which relate to the field of communications and can allocate control channel candidates of different aggregation levels to K ePDCCH sets, so as to reduce the complexity for a UE to perform blind detection. The method comprises: determining K sets used for transmitting control channels, wherein each set of the K sets comprises at least one physical resource block pair; and according to the aggregation levels supported by the control channels to be transmitted, the number of control channel candidates corresponding to each of the aggregation levels, and at least one of the K sets for transmitting the control channels and the type of the sets, allocating the control channel candidates of each aggregation level to at least one set of the K sets.
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  • Study of the effect of source signal bandwidth on ratiometric wavelength measurement

    Wu, Qiang   Semenova, Yuliya   Rajan, Ginu   Wang, Pengfei   Farrell, Gerald  

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  • COMBINATION OF PLASMA COATING AND SPRAY COATING FOR LITHIUM BATTERY ELECTRODE FABRICATION

    An atmospheric plasma spray device is used to direct a stream of plasma-heated, particulate, lithium battery electrode materials to form a porous layer of the electrode particles on a surface of a compatible current collector metal foil. Subsequently, a non-plasma spray device is used to direct a stream of droplets of an aqueous solution of a polymeric binder material onto and into the porous layer of electrode particles. Water evaporates from the droplets of binder solution as the droplets infiltrate the porous electrode material and coat the electrode particles and current collector surface. When the water (or other solvent) has evaporated from the dispersed droplets of polymer material, the polymer binder bonds the particles to each other and to the current collector surface. The polymer spray may immediately follow the deposition of the electrode particles, or follow later, even at a downstream spray location.
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  • Runtime Task Allocation in Multicore Packet Processing Systems

    Wu, Qiang   Wolf, Tilman  

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  • IP ACCESSIBILITY INFORMATION ANNOUNCEMENT METHOD AND ROUTING DETERMINING METHOD AND DEVICE

    Provided are an Internet protocol (IP) accessibility information announcement method and a routing determining method and device, wherein the IP accessibility information announcement method comprises: a first intermediate system (IS) determining an interface of a broadcasting type neighbour, wherein the first IS has the function of a designated intermediate system (DIS) on the interface, and the first IS generates a pseudo node link-state protocol packet (LSP) message on the interface, the pseudo node LSP message being used for announcing Internet protocol (IP) accessibility information about the first IS; and the first IS using the pseudo node LSP message generated by the first IS on the determined interface to announce the IP accessibility information about the first IS. The problem in the related art that when there is relatively more IP accessibility information which needs to be announced, an IS is unable to accomplish the IP accessibility information announcement is solved, thereby achieving the effects of enlarging the space for IP accessibility information announcement, and accomplishing the IP accessibility information announcement.
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  • Professors in the Boardroom and Their Impact on Corporate Governance and Firm Performance

    Francis, Bill   Hasan, Iftekhar   Wu, Qiang  

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  • METHOD FOR FEEDING BACK CHANNEL STATE INFORMATION (CSI), USER EQUIPMENT, AND BASE STATION

    Disclosed are a method for feeding back CSI, a user equipment, and a base station. The method comprises: determining a CSI set, the CSI set comprising first CSI and second CSI, a resource granularity of the first CSI being a physical resource block (PRB) pair occupied by an enhanced physical downlink control channel (EPDCCH), and the resource granularity of the first CSI being different from that of the second CSI; and sending the CSI set to a base station. According to the method for feeding back CSI, the user equipment and the base station in the embodiments of the present invention, the user equipment feeds back CSI of an EPDCCH to the base station, so that the base station can optimize the EPDCCH according to the CSI of the EPDCCH, thereby improving a channel state of the EPDCCH, improving cell coverage, saving a time-frequency resource of a system, and improving the whole performance of the system.
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  • METHOD AND USER EQUIPMENT FOR PRE-CODING PROCESSING

    A method and a user equipment for pre-coding processing are provided by the embodiments of the present invention. The method for pre-coding processing comprises that a codebook vector for performing pre-coding processing on data is selected from a codebook set of Nt antennas, and the codebook set includes a first codebook vector (I) of an uniform linear array and a second codebook vector (II) generated according to the first codebook vector, wherein, A is a (Nt/2)×1 vector constituted by the first half elements of the first codebook vector, B is a (Nt/2)×1 vector constituted by the second half elements of the first codebook vector, and Nt is a positive even number; an index number of the codebook vector is transmitted to a base station so that the base station can use the codebook vector corresponding to the index number to perform pre-coding processing on the data that need to be transmitted by the antennas. The embodiments of the present invention can realize that the codebook set is compatible with two types of antenna configuration, and the resource redundancy is reduced.
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  • Optical refocusing three-dimensional wide-field fluorescence lifetime imaging microscopy

    Wu, Qiang   Guo, Shangyu   Ma, Yinxing   Gao, Feng   Yang, Chengliang   Yang, Ming   Yu, Xuanyi   Zhang, Xinzheng   Rupp, Romano A.   Xu, Jingjun  

    Three-dimensional fluorescence lifetime microscopy is achieved by combining wide-field fluorescence lifetime imaging with a remote optical refocusing method. As required for some applications in dynamic research for physics, chemistry, or biology, it is thereby not necessary to move the sample, i.e., the specimen is not disturbed during measurement. Using a fluorescent microsphere the performance of the system has been tested successfully with respect to three-dimensional fluorescence lifetime microscopy as well as time-resolved fluorescence spectroscopy.
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  • Multifactor sparse feature extraction using Convolutive Nonnegative Tucker Decomposition

    Wu, Qiang   Zhang, Liqing   Cichocki, Andrzej  

    Multilinear algebra of the higher-order tensor has been proposed as a potential mathematical framework for machine learning to investigate the relationships among multiple factors underlying the observations. One popular model Nonnegative Tucker Decomposition (NTD) allows us to explore the interactions of different factors with nonnegative constraints. In order to reduce degeneracy problem of tensor decomposition caused by component delays, convolutive tensor decomposition model is an appropriate model for exploring temporal correlations. In this paper, a flexible two stage algorithm for K-mode Convolutive Nonnegative Tucker Decomposition ( K-CNTD) model is proposed using an alternating least square procedure. This model can be seen as a convolutive extension of Nonnegative Tucker Decomposition. The patterns across columns in convolutive tensor model are investigated to represent audio and image considering multiple factors. We employ the K-CNTD algorithm to extract the shift-invariant sparse features in different subspaces for robust speaker recognition and Alzheimer's Disease(AD) diagnosis task. The experimental results confirm the validity of our proposed algorithm and indicate that it is able to improve the speaker recognition performance especially in noisy conditions and has potential application on AD diagnosis. [All rights reserved Elsevier].
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  • Professors in the Boardroom and their Impact on Corporate Governance and Firm Performance

    Francis, Bill   Hasan, Iftekhar   Wu, Qiang  

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  • The Potential Application of Raw Cadmium Sulfide Nanoparticles as CT Photographic Developer

    Wu, Qiang   Huang, Lingxin   Li, Zhan   An, Wenzhen   Liu, Dan   Lin, Jin   Tian, Longlong   Wang, Xinling   Liu, Bo   Qi, Wei   Wu, Wangsuo  

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  • METHOD AND DEVICE FOR MAPPING ENHANCED DOWNLINK CONTROL CHANNEL RESOURCE AND ANTENNA PORT

    Provided are a method and device for mapping an enhanced downlink control channel resource and an antenna port. The method comprises: establishing the mapping of each resource element in an enhanced downlink control channel resource and an antenna port; and establishing the correlation between control data borne by the resource element and an antenna port corresponding to the resource element, so as to send or receive the control data borne by the resource element according to a reference signal corresponding to the antenna port. The present invention determines a mapping mode of a resource in an ePDCCH and an antenna port, and meets the requirements for LTE development.
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  • A METHOD FOR REALIZING SINGLE CALL IN GROUP SYSTEM

    A method for realizing single call in group system. The method adapts to CDMA group system which comprises terminal, BS, switch and group dispatch server, and the method comprises steps: the BS receives starting call message transmitted by the terminal and performs the starting of PTT single call; the BS receives paging message transmitted by the group dispatch server and performs the paging of PTT single call; the BS processes PTT request message between group dispatch server and the terminal; the BS processes PTT release message between group dispatch server and the terminal; the BS receives and processes call release message transmitted by the terminal or group dispatch server. The present invention increases frequency capacity factor and realizes the smooth transition.
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