37 results about "Cluster cell" patented technology

An exemplary CAD design flow modifies an existing large scale chip layout to reinforce the redundant via design rules to improve the yield and reliability. The flow operates on each metal-via pair from bottom up to locate and correct isolated via rule violations by adding metal features and vias in a respective patch cell associated with each cluster cell. A large complex design is thus divided into cells so that multiple processes can work concurrently as if every process were working on the top level of the design layout.

The embodiment of the invention provides a resident address determination method and device, and the method comprises the steps: generating a plurality of address clustering cells corresponding to each user ID through employing a preset density clustering algorithm according to collected user address information, and enabling the user address information to comprise a plurality of longitude and latitude address information under each user ID; Determining a preferred address clustering cell corresponding to each user ID according to a preset sorting strategy, the preferred address clustering cell being any one of a plurality of address clustering cells; And according to the preferred address clustering cell, utilizing GeoHash calculation to correspondingly screen out resident address information corresponding to each user ID. Therefore, the GeoHash can be used for processing the latitude and longitude data of the user, and the calculation time is shortened while the accuracy of data calculation is ensured by utilizing a preset aggregation strategy. In addition, the resident address information is made to correspond to the actual geographic area through GeoHash calculation, and the coverage rate of the address information is increased.

The invention discloses a method for performing interference coordination control on a cell, and equipment thereof. The method comprises the steps of: acquiring adjacent-cell interference information of a plurality of base stations, wherein the adjacent-cell interference information comprises a mark of each base station, an adjacent-cell mark of each base station, and an interference degree value of each base station by the adjacent-cell interference which corresponds with the adjacent-cell interference; performing clustering processing on the base stations which acquire the adjacent-cell interference information according to the interference degree value of each base station by the adjacent-cell interference which corresponds with the adjacent-cell interference by means of a clustering algorithm; and performing interference coordination control on obtained cluster cells. Thus the base stations with relatively high interference degrees are divided into cluster cells, and interference coordination control is performed on the obtained cluster cells, thereby ensuring resource distribution optimization in the cluster cells, improving interference coordination efficiency, reducing signaling transmission frequency and number between network elements in the system, and saving network signaling cost.

The invention discloses a method and apparatus for broadcasting cluster system configuration information. The method comprises that a cluster system broadcasts the configuration information of the cluster system, the configuration information including cluster paging channel resource configuration information, and/or cluster random access resource configuration information, and/or cluster scheduling atlas configuration information, and/or cluster cell reselection parameters, and/or cluster adjacent cell information, and/or system support capability indicating information. The invention provides a method and apparatus for effectively broadcasting cluster system configuration in a broadband wireless communication system. By means of the method and the apparatus, the broadcasting of cluster system configuration information can be achieved and a network can be simultaneously compatible with LTE and cluster service.

The present invention relates to a heterogeneous cell three-dimensional printing system, which comprises a moving platform, an extruded cell printing mechanism fixed on the moving platform, a dropping-off type cell printing mechanism fixed on the moving platform, an observation unit for observing and feeding back the cell printing condition, and a control unit, wherein the control unit controls the extruded cell printing mechanism to complete the three-dimensional cell hydrogel structure printing, and then controls the dropping-off type cell printing mechanism to complete the printing of single or multiple cells on the three-dimensional cell hydrogel structure. According to the present invention, the micro-extrusion type printing technology and the dropping-off type cell printing technology based on the alternating hysteresis force driving are integrated, such that the efficient construction of the macroscopical cell clusters is ensured, the construction of the microenvironment of the microcosmic single cell near the cluster cells is ensured, the in vitro heterogeneous cell model construction method integrating the efficiency and the precision is created, and the system and the method have important pathology and pharmacology application potential.

Embodiments of the present disclosure relate to a method and apparatus for DL/UL resource configuration in a Time Division Duplex (TDD) system. The method may comprise: dividing a plurality of cells into disjoint clusters based on interference conditions among base stations of the plurality of cells; and performing, in each of at least one of the disjoint clusters, a cooperation DL/UL resource configuration on in-cluster cells included therein based on traffic conditions and performance metrics of the in-cluster cells, so as to determine respective DL/UL resource configurations for the in-cluster cells. With embodiments of the present disclosure, time domain resources may be utilized more efficiently and, additionally, it may be expected to achieve a better overall performance at a low cost.

The invention discloses a cooperative clustering transmission method which comprises the following steps: users are firstly divided into cell-center users and edge users according to channel isolation; then, the edge users are further divided into intra-cluster cell-edge users and cluster edge users according to received signal power of each user; and finally, non-cooperative, static cluster cooperative and dynamic cluster cooperative schemes are respectively adopted for the three different types of users so as to reduce interference from intra-cluster other cell sites as well as interference from inter-cluster other sites. According to the invention, different cooperative transmission modes are adopted according to different types of users, and good throughput gain can be obtained by low complexity and return cost.

The techniques and systems described herein are directed, in part, to optimizing network performance by clustering cell sites of the network based on performance patterns and then optimizing each cluster of cell sites, thereby optimizing performance of a network as a whole. The cell sites may be base stations, radio access networks, and/or other hardware that directly or indirectly exchanges communications with user devices such as mobile telecommunication devices (e.g., user handsets, user hardware, etc.). By optimizing the clusters of cell sites, a service provider (e.g., a telecommunications company, etc.) may improve network performance in less time and/or with less capital resources than attempting to optimize each cell site on an individual basis.

The invention discloses a method and equipment for cell planning processing. The method comprises: clustering cells and determining the number of cells in each cluster; planning cell frequency point resources and code word resources of cells according to the position relationship between cells in the clusters; and planning all cells in a TD-SCDMA system according to the number of the cells in the clusters, the frequency point resources and the code word resources. The method and the system can realize cell planning in the TD-SCDMA system simply and conveniently.

Disclosed are computer-implemented methods, systems, and media for clustering cells using gene differential expression of single cells. In an aspect, a method may comprise: mapping RNA-Seq data of a plurality of cells onto a sphere (e.g., a hypersphere); calculating a plurality of distances, each of which is associated with an angle between two different cells mapped onto the sphere; clustering the plurality of cells into two clusters based on the plurality of distances; evaluating each of the two clusters using a pre-determined stopping criterion; and repeating the clustering and evaluating on each of the two clusters until the pre-determined stopping criterion or a second stopping criterion is met.

The invention provides a cluster-based cooperative communication method and device in a cellular network. The method includes: calculating the theoretical maximum communication rate of a cluster, formed by every two base stations, performing cooperative communication according to the communication signals of each base station in the cellular network and all user equipment, and using all the base stations as nodes and the maximum communication rate as the edge weight among the nodes to build a complete graph; using a maximum graph matching algorithm on the complete graph to acquire the optimal cluster, with the cluster size being 2, in the complete graph, wherein the optimal cluster is the matched optimal division between every two base stations; performing MIMO cooperative communication between every two base stations according to the optimal division. The method has the advantages that an optimal cell cluster scheme can be selected, signals in a cluster cell can be enhanced, interference among cells in the cellular network is lowered, and data transmission rate is increased.

The invention relates to an automatic acquisition instrument for fat core cluster cells and fat matrix vascular components. The automatic acquisition instrument comprises a fat cleaning and filteringunit, a fat processing container unit, a fat container tube moving unit and a fixing unit. The invention has the following beneficial effects: in the fields of biomedical engineering and regenerativemedicine, body fat does not need treatment with an enzyme in vitro or treatment in a laboratory; the automatic acquisition instrument can automatically remove blood, grease and connective tissue and acquire active cluster cells and fat matrix vascular components; high-quality autologous cluster cells and fat matrix vascular components can be fed back after cleaning and purification of fat; the automatic acquisition instrument is simple to operate and good in applicability; the automatic acquisition instrument employs a fully enclosed circuit, is safe and reliable and can realize setting and adjustment of various parameters; and the automatic acquisition instrument is of great significance to shortening of the time of cosmetic surgery, improvement of surgery and treatment quality and achievement of good postoperative results, and provides a novel method for clinical application of cluster cells and fat matrix vascular components in biomedical engineering.

The invention discloses a signal optimization method and system, and relates to the technical field of mobile communication. According to the method, statistics can be conducted on the same-frequency interference probability of the designated cells and other cells in an average measurement time frame through calculation; an adjoining cluster cell set is obtained, wherein adjoining cluster cells and the designated cells are provided with the signal power covering overlapping regions, and a maximum link cluster cell set is obtained, wherein maximum link cluster cells and the designated cells are provided with the power overlapping regions respectively in pairs; the same-frequency interference type of the designated cells is determined, and signal optimization processing is conducted according to the relation of the amount of the carrier frequencies occupied by the designated cells and the amount of available maximum frequency points of the system. The interference existing possibility and inevitability are analyzed precisely by analyzing different wireless network covering conditions, it can be precisely determined whether signal optimization is conducted through a network structure optimization mode or a frequency optimization mode according to the specific type of the existing interference, signal optimization is precise, besides, the algorithm is simple, and efficiency is high; a scientific and precise measuring and analysis means can be provided for adjusting and optimizing the wireless network structure.

The invention discloses a urine exfoliated cell liquid-based smear reading method and system, and the method comprises the steps: respectively setting a cell detection model, a single cell classification model and a cluster cell classification model based on a convolutional neural network, carrying out the scanning to obtain a digital image of a urine exfoliated cell liquid-based smear, inputting the digital image into a set cell detection model, outputting to obtain a coarse classification digital image including single cells and a coarse classification digital image including cluster cells, and inputting the coarse classification digital image including the single cells into a single cell classification model for processing to obtain a single cell identification result; inputting the coarse classification digital image including the cluster cells into a cluster cell classification model for processing to obtain a recognition result of the cluster cells; and combining the obtained identification result of the single cell and the obtained identification result of the cluster cell to obtain the identification result of the urine exfoliated cell liquid-based smear. Therefore, the embodiment of the invention realizes the automatic reading of the urine exfoliated cell smear.

The invention discloses a micro-fluidic chip for tumor cell cluster sorting, relates to a cell cluster sorting device, and solves the technical problems of low control precision and low flux of the existing micro-fluidic chip. According to the technical scheme, a spiral main flow channel of the micro-fluidic chip is designed into a trapezoidal cross section, and compared with a rectangular flow channel structure, asymmetric secondary flow vortexes perpendicular to the main flow direction of the cross section are generated. Cells gradually generate an inertial focusing effect under the influence of inertial lift force and secondary flow Dean drag force and transversely migrate to different balance positions. Specifically, small-size monomer cells are trapped to a strong vortex close to the outer wall surface of the flow channel under the dominant action of strong secondary flow, and large-size cluster cells are focused on the inner wall surface of the flow channel under the dominant action of strong inertial lift force, so that the separation of monomer cells and cluster cells with different sizes can be realized.

The invention discloses a single-cell RNA-seq data clustering method based on a deep noise reduction auto-encoder. The method comprises the following steps: firstly, adjusting the batch effect of single-cell RNA-seq data and standardizing the data so as to reduce adverse effects caused by technical noise; secondly, using a deep noise reduction self-encoder based on zero-expansion negative binomial distribution for effectively excavating feature information of the single-cell RNA-seq data; carrying out dimensionality reduction on single-cell RNA-seq data by using a rapid independent component analysis method to improve the calculation efficiency of a method model; and finally, carrying out more accurate clustering on the cells through a Gaussian mixture model based on expectation maximization, and visualizing a final single-cell RNA-seq data clustering result by using a T distribution random neighbor embedding method. According to the method, the interference of the characteristics of high dimension, large noise and the like of the single-cell RNA-seq data on data clustering can be effectively reduced, the gene expression information of the single-cell RNA-seq data is accurately learned so as to cluster cells, and help is provided for gene network construction, cell type discovery and early cancer discovery and treatment.

The invention provides a method for inducing reverse Malangoni flow based on photo-thermal and a drug cluster cell delivery method, and relates to the technical field of drug delivery. A silicone oil film is flatly laid on a glass substrate, and liquid drops surrounded by silicone oil are formed after the liquid drops on the film are stable. Wherein the liquid drops contain cells and drug-loaded particles, when laser of optical tweezers is irradiated into silicone oil, stable reverse Malangoni flow can be generated at the boundary of water and oil, so that the drug-loaded particles in the solution are clustered, one or two cells are grabbed by the optical tweezers and placed near the boundary of water and oil, and the drug-loaded particles in the solution are clustered. And the drug cluster cell delivery is controlled by controlling the movement of the light trap. The laser is irradiated into the silicone oil, and the silicone oil has strong absorption at the laser wavelength of the corresponding optical tweezers, so that heat is generated in the silicone oil, and the damage of light and heat to cells is avoided. Reverse Malangoni flow of a photo-thermal induction water-oil interface enables the drug-loading particle cluster to move to the periphery of cells, and drug delivery is accurately completed.

The invention relates to a manual adipose core cluster cell and adipose-derived blood vessel component collector which comprises an air filter, a connecting catheter, a Luer taper inlet, an inlet one-way valve, an adipose inlet filtering chamber, an adipose preparing processor, a positioning and fixing pin, a positioning clamp groove, an adipose outlet filtering chamber, an outlet one-way valve, a Luer taper outlet and a tee joint changing-over valve. The manual adipose core cluster cell and adipose-derived blood vessel component collector has the advantages that high-quality autogenous adipose tissues containing rich various growth factors and adipose-derived stem cells are obtained by filtering useless connective tissues and homogenizing and purifying adipose tissues, immunological rejection is decreased, the medical treating effects of facial beautifying, reshaping, aging resistance and regeneration are improved, and the clinic treatment safety and effectiveness and effect durability are improved. The manual adipose core cluster cell and adipose-derived blood vessel component collector is simple in operation, good in applicability, safe and reliable, and a novel quick and convenient method is provided for collection of autogenous adipose core cluster cell and adipose-derived blood vessel components in the field of biomedical engineering.

The invention discloses a single-cell cluster user management method. The method comprises the steps: setting one cluster user list in each cluster cell, wherein the cluster user lists are used for storing the contexts of users in the cell of a cluster; setting one corresponding cell control table for each cluster cell at a network side, wherein the cell control tables are respectively used for storing the head of the cluster user link of the corresponding cluster cell; inserting the context of the user behind a head node in the cluster user link of the corresponding cluster cell when a user enters the cluster cell; judging whether the user is located in the cell where he is ready to leave or not according to the context of the user when the user needs to leave the cluster cell; deleting the context of the user from the cluster user list of the cluster cell if the user is located in the cell where he is ready to leave, or else, ending the flow. The above method can accurately record the number of users in each cluster cell in various types of complex cross scenarios, guarantees the accuracy of the number of the users, and effectively prevents wrong operations from affecting the group business.

A modular multilevel converter comprises a phase arm with cells organized into clusters and a converter control structure comprising a control objective control unit (12), at least one cluster selecting unit (14A, 4B) and cluster control units (16A 16J), one for each cluster, where the control objective control unit (12) determines a number of cells (*np) of a phase arm needed to be used for meeting a control objective and informs the cluster selecting unit (14A), the cluster selecting unit (14A) obtains, from every cluster control unit (16A, 16J), a cluster voltage measure (vc1, vc10),selectsat least one first cluster (CL1) based on the obtained cluster voltage measures using an inter-cluster priority scheme and orders a first cluster control unit (16A) to control cells of the first cluster, which then selects cells and controls them to change conduction state according to an intra-cluster cell priority scheme.