151 results about "Cell pair" patented technology

The present invention includes devices, systems, and methods for assaying cells using cell-substrate impedance monitoring. In one aspect, the invention provides cell-substrate impedance monitoring devices that comprise electrode arrays on a nonconducting substrate, in which each of the arrays has an approximately uniform electrode resistance across the entire array. In another aspect, the invention provides cell-substrate monitoring systems comprising one or more cell-substrate monitoring devices comprising multiple wells each having an electrode array, an impedance analyzer, a device station that connects arrays of individual wells to the impedance analyzer, and software for controlling the device station and impedance analyzer. In another aspect, the invention provides cellular assays that use impedance monitoring to detect changes in cell behavior or state. In some preferred aspects, the assays are designed to investigate the affects of compounds on cells, such as cytotoxicity assays. In other preferred aspects, the assays are designed to investigate the compounds that effect IgE-mediated responses of cells to antigens.

A method for detecting and reducing ping-pong handover effect of a cellular network is disclosed. The method provides a systematic way to determine which cell pairs of the network have high probability of suffering from the ping-pong handover effect. The method comprises collecting network traffic statistic data of multiple items, wherein each of the items corresponds to a state change of multiple mobile units within cells of the network; determining whether a plurality of criteria are met according to the network traffic statistic data; and detecting the ping-pong effect between the cells according to the result of the determining step. The method also comprises changing a handover parameter for the cells with the ping-pong handover effect.

An embodiment of the invention provides a positioning method, a positioning server, a terminal and a base station. The positioning method comprises the steps of informing the terminal of difference threshold information, wherein the difference threshold information is used for indicating a difference threshold for reference signal measurement values when one cell is aligned to two cells; receiving cell subset information determined by the terminal according to the difference threshold information, wherein the cell subset information is used for indicating a cell pair of which the reference signal measurement value exceeds the difference threshold, or the cell subset information is used for indicating the cell pair of which the reference signal measurement value is no more than the difference threshold; according to the cell subset information, determining the configuration of a positioning reference signal (PRS), and informing the terminal of the configuration of the PRS; and receiving a reference signal time difference (RSTD) obtained by the terminal through measurement according to the configuration of the PRS, and determining the position of the terminal according to the RSTD. According to the positioning method, the positioning server, the terminal and the base station, difference thresholds of reference signal measurement values are set, so that the excessive measurement value difference of the PRS can be avoided, and interference among PRSs is reduced.

The present invention proposes a method for analyzing overlapping coverage of LTE cells based on MR data, including collecting MR data, obtaining LTE MR data files and cell information tables; Respectively form overlapping coverage adjacent cell pairs with the main cell, and calculate the weight of overlapping adjacent cell pairs according to the signal points of overlapping adjacent cells, sort and determine the priority of overlapping coverage cells and then screen them, and analyze the coverage distance of cells that have passed the weight screening to determine High overlapping coverage cells to be optimized; multi-factor correlation analysis, including weak coverage correlation analysis, useful signal proportion analysis and user concentration correlation analysis. The technical scheme of the present invention can more accurately locate problem cells, and can put forward more reasonable optimization suggestions, and can perform all-round inspection and troubleshooting of overlapping coverage cells.

The invention discloses a regional load balancing method in a cellular mobile communication system, mainly solving the limitation problem that only single cell pair is considered in load balancing behaviour in an advanced international mobile telecommunication system (IMT-Advanced system). The method is mainly characterized in that 1, a load balancing scene is expanded to a region formed by multiple cells from a single cell pair; 2, through constructing a utility function, each cell in the load balancing region carries out load balancing by taking utility value maximization as a target; and 3, CIO (cell individual offset) of the cell relative to a specific adjacent cell is changed to realize switching and load transferring of a user. The regional load balancing method disclosed by the invention accords with the distributed characteristic of self-organized network architecture of the IMT-Advanced system; since a multi-cell linkage policy is adopted, system average blocking rate is effectively reduced, service quality of the users in the system and load balancing convergence rate are improved, and oscillation problem of regional load balancing is avoided.

A system, method and program product for designing integrated circuits. A design of an integrated circuit (IC) is analyzed to identify the longest path for each cell pair. The total path delay of each identified longest path is calculated. Net delays are calculated for each cell pair. A crosstalk overhead delay is calculated for each identified longest path using a stochastic model. The crosstalk overhead of each longest path is added to the calculated path delays. The circuit is redesigned to eliminate any path wherein the delay exceeds a maximum accepted delay. The stochastic model may be a tree-like structure derived from several completed integrated circuit designs, in particular from cell placement and wiring for each completed IC. The tree-like stochastic model corresponds crosstalk delays to technology wiring factors.

The invention provides a method and system for optimizing a wireless network. The method comprises the steps of: counting cell pairs which have a frequency restriction relationship in the wireless network; obtaining connected clusters in the wireless network, wherein the connected clusters are cell sets of the wireless network and the frequency restriction relationship exists between any two cells in the cell sets; respectively obtaining the maximum connected cluster of each cell in the wireless network, wherein the maximum connected cluster is the connected cluster containing the maximum number of carrier waves in the connected clusters containing the cell; selecting the maximum connected cluster, containing the carrier waves with the number greater than the threshold of the number of carrier waves, from all the maximum connected clusters to obtain a connected cluster to be optimized; and carrying out coverage optimization and / or capacity optimization on the cells in the connected cluster to be optimized. By means of the method and the system for optimizing the wireless network, the three-dimensional equilibrium optimization of the coverage, the capacity and frequency interference of the wireless network are realized and the overall quality of the wireless network can be effectively promoted.

The embodiment of the invention provides a mobile communication system interference investigation method and device, and relates to the field of communication. By means of the method and device, automatic data collection and statistics from the network side can be achieved, and interference cell pairs and interference level are determined in time. The method comprises the steps that a measurement report MR reported by a terminal is obtained, wherein the MR comprises identifications of main service cells in all cells, signal strength information of the main service cells, identifications of other cells and signal strength information of other cells; the number of MR total sampling points of all main service cells is calculated according to the identifications of the main service cells, the number of invalid covering sampling points of other cells to the main service cells in the same MR sampling point is obtained, the number of the invalid covering sampling points is compared with the number of MR total sampling points to obtain the ratio of the invalid covering sampling points, and further if the main service cells and other cells are interference cell pairs is judged according to the ratio of the invalid covering sampling points. The mobile communication system interference investigation method is used for investigating the interference cell pairs.

At least one cell pair graph is generated for cells of the layout. A partial inverse layout tree is determined from the cell pair graph. For the partial inverse layout tree, only branches of the complete inverse layout tree are considered that describe an interaction between shapes of different cells. A data set is generated from the partial inverse layout tree and the data set is saved, for example, by using the partial inverse layout tree.

The embodiment of the invention discloses an indoor distributed signal leakage check method and an indoor distributed signal leakage check device. The method comprises the following steps of: obtaining terminal measurement reports (MRs) from a base station, analyzing the MRs and obtaining MR data; filtering invalid MRs; generating neighbor cell pairs according to the MR data obtained after filtration, wherein each neighbor cell pair comprises information measured by a terminal main serving cell and information measured by an indoor distributed cell, the main serving cell is an outdoor macrocell and the indoor distributed cell is a neighbor cell of the outdoor macrocell; and finally judging whether signal leakage exists in the indoor distributed cell or not according to the information recorded by the neighbor cell pairs, computing the direction of the signal leakage of the indoor distributed cell to simply and accurately know the cell in which indoor distributed signal leakage exists in advance, and making an adjustment to prevent influence on outdoor subscribers.

The embodiment of the invention provides an LTE system interference checking method and device and relates to the field of communication. By the adoption of the method and device, automatic acquisition and statistics of data can be achieved on the network side, and cell pairs where PCI interference exists are determined. The method specifically comprises the first step of obtaining a measurement report (MR) reported by UE, wherein the MR comprises physical cell-IDs (PCIs) and signal intensity information of servicing cells and adjacent cells in each cell, and the physical cell-IDs (PCIs) and the signal intensity information are measured by the UE, the second step of conducting statistics on the total number of MR sampling points of each servicing cell according to the PCIs of the servicing cells in the MR, the third step of obtaining the total number of sampling points, among the MR sampling points of the same servicing cell, of PCI interference by each adjacent cell to the servicing cell, and the fourth step of comparing the total number of the PCI interference sampling points with the total number of the MR sampling points to obtain a PCI interference sampling point occupation ratio, and then judging whether PCI interference correction needs to be conducted on the corresponding adjacent cells and the corresponding servicing cells according to the PCI interference sampling point occupation ratio. The LTE system interference checking method and device are used for checking the cell pairs where the PCI interference exists.

The present invention relates to the arrangement of one or more cells in a medium or on a substrate through the use of boundary conditions, which are changes in local environment compared to the medium or substrate alone or cause an alteration of cell response upon interaction of a cell with the boundary condition.

A non-volatile memory including one or more EEPROM cell pairs. Each EEPROM cell pair includes three transistors and stores two data bits, effectively providing a 1.5 transistor EEPROM cell. An EEPROM cell pair includes a first non-volatile memory transistor, a second non-volatile memory transistor and a source access transistor. The source access transistor includes: a first source region continuous with a source region of the first non-volatile memory transistor; a second source region continuous with a source region of the second non-volatile memory transistor, and a third source region continuous with source regions of other non-volatile memory transistors located in the same row as the EEPROM cell pair.

The invention discloses a load balance optimization method of cellular cells based on X2 interface information interaction, which mainly solves the problem of limitation that load balancing behaviors only take single cell pair into consideration in a long term evolution (LTE) advanced system. The method has the technical points that: firstly, the resource state information of a neighbor cell of a target cell is reported to a source cell through adding the resource state information of the neighbor cell in a resource state updating message based on the X2 interface information interaction on the basis of the traditional load balance optimization method of the cellular cells; and secondly, invisible cells of the source cell in the neighbor cell of the target cell is defined to be Hidden cells. Due to the use of the load information of the Hidden cells during load balancing, the invention improves the load balancing effect of the overall network and can be applied in a cellular network communication system.

The embodiment of the invention discloses an indoor distributed traffic leakage check method and an indoor distributed traffic leakage check device. The method comprises the following steps of: obtaining terminal measurement reports (MRs) from a base station, analyzing the MRs and obtaining MR data; filtering invalid MRs; generating neighbor cell pairs according to the MR data obtained after filtration, wherein each neighbor cell pair comprises information measured by a terminal main serving cell and information measured by an outdoor macrocell, the main serving cell is an indoor distributed cell and the outdoor macrocell is a neighbor cell of the indoor distributed cell; and finally judging whether traffic leakage exists in the indoor distributed cell or not according to the information recorded by the neighbor cell pairs, computing the direction of the traffic leakage of the indoor distributed cell to simply and accurately know the cell in which indoor distributed traffic leakage exists in advance, and making an adjustment to prevent traffic produced by indoor subscribers from being leaked to the outdoor.

A battery having a plurality of cell pairs arranged in an array in disclosed. The cells pairs are coupled longitudinally. Sense leads are provided on the ends of cell pairs to obviate providing a sense lead proximate the junction of the cell pair.

The invention provides a microelectrode array chip which can be used for continuous flow cell electrofusion. The chip consists of three layers, namely a substrate, a cover plate and a metal supporting piece, wherein the substrate is provided with a microchannel for cell suspension to continuously flow and a microelectrode array for electrically stimulating cells; and the microelectrode array is engraved on the two sides of the microchannel, is connected with the metal supporting piece by a metal lead through a micropore, and is connected with a direct-current power supply through a wire to lead in an electrical signal. The microelectrode array chip has a simple structure and is provided with a small number of microelectrodes, so that processing difficulty is far lower than that of a high-density microelectrode cell electrofusion chip; the required fusion voltage is direct-current low voltage, the requirement on equipment is low, and device cost is far lower than that of the conventional cell electrofusion method; meanwhile, cell fusion is continuously performed in the process that cell pairs flow through the microchannel, fusion yield is also far higher than that of the conventional cell electrofusion method, so that the popularization and application of the microelectrode array chip are facilitated.

A non-volatile memory including one or more EEPROM cell pairs. Each EEPROM cell pair includes three transistors and stores two data bits, effectively providing a 1.5 transistor EEPROM cell. An EEPROM cell pair includes a first non-volatile memory transistor, a second non-volatile memory transistor and a source access transistor. The source access transistor includes: a first source region continuous with a source region of the first non-volatile memory transistor; a second source region continuous with a source region of the second non-volatile memory transistor, and a drain region that extends downward through a first well region to contact a second well region. The first, second and third semiconductor regions and the second well region have a first conductivity type, and the first well region has a second conductivity type, opposite the first conductivity type.

The invention belongs to the technical field of cell biology study, and relates to a microinjection device used for cell medicine precise injection and an operation method of the microinjection device. A three-dimensional high-precision left displacement table is fixedly installed on a left lifting table, a three-dimensional high-precision right displacement table is fixedly installed on a right lifting table, a light source transmitting device is fixedly installed at the outer side of the left lifting table, optical tweezers are fixedly installed on the left lifting table, a syringe is arranged at the outer side of the right lifting table, an optical fiber microneedle is fixedly installed on the right lifting table, an objective table is installed between the left lifting table and the right lifting table, a microscope is installed above the objective table, during work, the displacement tables control the optical tweezers and the optical fiber microneedle, and therefore after the optical tweezers capture cells, precise injection of the optical fiber microneedle to the cells is achieved. The cell precise medicine injection device has the function of capturing and controlling the single cell and conducting precise medicine injection on the single cell, is high in precision and adjustability, and has a wide application prospect in the aspects of tumor cell precise medical experimental study and single cell microinjection medicine.

A method for physically unclonable function (PUF) cell-pair remapping includes combining PUF cell-pairs between PUF cells in a first array and PUF cells in a second array, acquiring physical parameters for each of the PUF cell-pairs, selecting PUF cell-pairs based on a comparison of the acquired parameters with a first reference, and remapping the selected PUF cell-pairs.

The invention relates to a cell migration high-resolution impedance real-time tracking, measurement and control device, and a manufacturing method and an application method thereof, and is particularly suitable for cell impedance measurement, cell migration, cell detection, medicine screening, microfluidics and a nano technology. The tracking, measurement and control device comprise a cavity; a chamber in which liquid is accommodated is formed in the middle of the cavity; the middle of the chamber is divided into an upper chamber and a lower chamber by a microporous membrane; an upper chamber electrode is inserted into the electrode hole of an upper cavity; a lower chamber electrode is inserted into the electrode hole of a lower cavity; the two electrodes are connected with an analysis device respectively; and the lower part of the lower cavity is provided with a liquid inlet and outlet channel which is communicated with the external. The invention has the advantages that: 1, cells are detected in real time, and a transmembrane migration process of cells cultured in vitro is reliably tracked, measured, controlled and analyzed in real time at high resolution in a non-destructive way; 2, detection sensitivity is improved and the transmembrane migration of a single cell is tracked; 3, the effect of a medicine on the cell can be precisely determined through a microflow pipeline; 4, manual measurement and control errors are reduced; 5, the tracking, measurement and control device is easy and convenient to operate and high in accuracy; and 6, the tracking, measurement and control device is easy to manufacture and low in cost.

A technique for controlling the soft-program current in virtual-ground FLASH memory arrays is described. It is based on biasing the array bit-lines such that all current supplied to the array is used entirely towards the soft-programming of selected cells. The result is control of the soft-programming current and the programming rate of individual cell pairs. The benefit of soft-programming is then realized during the actual cell programming with the improved control of current and program rate. This is described with respect to an embodiment that uses source-side injection as the means for programming memory cells and with respect to a second embodiment based on a cell with dual floating gates.

The embodiment of the invention discloses a cell merging method and device and relates to the technical field of communication, which can lower the maintenance cost during network planning and construction. The method disclosed by the embodiment of the invention comprises the following steps: obtaining a neighbor list corresponding to a target logic cell; obtaining a switching failure rate between every two logic cells in a cell set formed by the target logic cell and adjacent logic cells; determining that two logic cells with switching failure rates greater than a first threshold are to-be-merged cell pairs; obtaining the resource utilization rates of the to-be-merged cell pairs and the retention situation of a target terminal in the preset time; and determining that the to-be-merged cell pairs meeting preset conditions are merged according to the resource utilization rates of the to-be-merged cell pairs and the retention situation. The cell merging method and device are applicable to a communication network system.

The invention provides an adjacent cell leakage configuration positioning method based on grid positioning. The method comprises the following steps: obtaining all measure reports (MR) in a preset network range during measurement, wherein the MR is recorded with information of a serving cell where a current mobile station locates and downlink signal intensity information; performing longitude and latitude positioning on the obtained measure reports (MR) and performing grid division on the network range, each grid has corresponding MR numbers; summarizing a first proportion cell, a second proportion cell and a third proportion cell in each grid according to the information of the serving cell where the current mobile station locates recorded by each MR; and determining cell pair C1 and C2 that may have leakage-configuration adjacent cells according to the MR number proportion and downlink signal intensity difference of a cell pair that does not have adjacent cell relationship in the first proportion cell, the second proportion cell and the third proportion cell in each grid. According to the adjacent cell leakage configuration positioning method, the adjacent cell optimization efficiency is improved and the network quality is also improved.

The invention discloses a method, a device and a system for searching a frequent reselection cell pair, in order to improve the efficiency of searching a frequent reselection cell. The method comprises the following steps of: when the number of frequent reselection events of a user being frequently reselected from a GSM (Global System for Mobile Communications) cell into the same TD (Time Division) cell during the present time period exceeds a first threshold, the TD cell is determined as a frequent reselection TD cell corresponding to the user; when the number of frequent reselection events of the user being frequently reselected from a TD cell into the same GSM cell during the present time period exceeds a second threshold, the GSM cell is determined as a frequent reselection GSM cell corresponding to the user; and for each frequent reselection TD cell corresponding to the user, when the counts of the user being reselected from the same adjacent frequent reselection GSM cell into the frequent reselection TD cell exceeds a third threshold, the frequent reselection TD cell and the adjacent frequent reselection GSM cell are determined as a frequent reselection cell pair.

The invention relates to automatic paring equipment of battery cells. The automatic paring equipment comprises a material supplying apparatus, an A cell conveying and buffering apparatus, a B cell conveying and buffering apparatus, a material shifting apparatus, a cell pairing mechanism and an AB cell glue pasting mechanism; and the material supplying apparatus, the A cell conveying and bufferingapparatus, the B cell conveying and buffering apparatus, the material shifting apparatus, the cell pairing mechanism and the AB cell glue pasting mechanism are arranged on corresponding stations of acell mobile logistics line in sequence. By adoption of the assembly line type operation mode, corresponding functional modules are arranged in the corresponding positions on the assembly line, and theA and B cells are subjected to pairing and accurate glue pasting; in addition, the cells are subjected to information detection and the like synchronously, so that multifunctional automatic production is realized and production time is lowered; by virtue of the buffering structures of the cells, insufficient material supply caused by material accumulation or pause of material incoming can be prevented effectively, thereby ensuring continuous production of equipment; and meanwhile, automatic continuous production of the equipment is realized, so that production efficiency is further improved.