348 results about "Cell network" patented technology

It is disclosed a device for image processing and learning comprising at least a “multi electrode array” (MEA), over which an homogeneous culture of interconnected neurons, so that forming a cell network, is grown on, wherein said MEA is able to stimulate and record the electric activity of said neurons. Methods for image processing and learning utilizing the device are disclosed too.

An apparatus and methods are provided for sharing cell coverage information among devices in a cell network. Cell coverage information includes bitmap models of signal strength to enable intelligent handover decisions. Mobile terminals are able to receive cell coverage information over a broadband unidirectional broadcast network, such as a digital video broadcast network. They are also able to receive cell coverage information from other mobile terminals via ad hoc wireless signalling. Mobile terminals are also able to store and upload raw signal measurements to a cell coverage information center.

Disclosed is an upstream access method in an Orthogonal Frequency Division Multiple Access (OFDMA)-based mobile communication system in which a random access method in an OFDMA network includes randomly selecting, by each subscriber device, one of a plurality uplink random access channels, if a random access request to the OFDMA network is transmitted by each subscriber device, accessing through the selected channel if a collision has not occurred in the selected channel, randomly selecting one of the uplink random access channels, if a collision has occurred in the selected channel, and if the number of retries for channel selection is less than a predetermined value, and determining whether a has collision has occurred, accessing through a finally selected channel, if it is determined that a collision has occurred; and randomly selecting one of the uplink random access channels if it is determined that a collision has occurred.

Establishing and maintaining a moving ad-hoc network is provided. The ad-hoc network includes a plurality of equivalent cells communicationally linked together to form a linked equivalent cell network. An equivalent cell header manages each equivalent cell. Additionally, regular nodes, scattered throughout the equivalent cell network, may be provided. Regular nodes have restricted communication privileges compared to the equivalent cell headers. However, equivalent cell headers can be demoted to regular nodes and regular nodes can be promoted to equivalent cell headers as required by equivalent cell network.

The present invention provides an approach for the determination of activation state of a plurality of discrete cell populations and/or the state of one or more cellular networks in an individual. The status of a plurality of discrete cell populations and/or the state of one or more cellular networks can be correlated with the diagnosis, prognosis, choice or modification of treatment, and/or monitoring of a condition

Methods and systems for reusing macro cell resources in femto cell base stations or relay stations in a non-collaborative manner are disclosed. In addition, orthogonal resource allocation between a macro cell base station and femto cell base stations/relay stations may be dynamically adjusted by considering user-population variance. Moreover, an additional level of spatial reuse by femto cell base stations or relay stations can be provided by employing macro cell user location information.

A wireless access point and multiple wireless terminals exchange utilization, status, mobility and reception characteristics. Each wireless terminal generates reception characteristics based on transmissions received from the wireless access point and from other devices in the network. In one operating mode, the characteristics gathered by the wireless devices are forwarded to the wireless access point, and, based on all received characteristics, the wireless access point selects its own transmission power for different types of the transmission. In another mode, all characteristics are exchanged between every wireless terminal and the access point so that each can independently or cooperatively make transmission power control decisions. In a further mode, the wireless access point adjusts protocol parameters based on an assessment of the characteristics received from the client devices, to detect an event such as a hidden terminal condition. The utilization, status, mobility, and reception characteristics include received signal strength, error rates, estimated battery life, availability of unlimited power, active versus sleep mode ratios, anticipated bandwidth utilization, coding schemes available, deterministic/non-deterministic requirements, encryption and security requirements, quality of service requirements, position, velocity, stationary status, etc. Gathering of such characteristics involves both retrieval of preset parameters from memory and generating parameters based on received transmissions (including test packets).

Improvements in a power transformer condition monitor are disclosed with this application. The monitor operates with older existing transformers with and without integrated sensors and allows the device to determine the condition of transformers. The sensors monitor one or a multiple of voltage, current, temperature and or power factor. Thermal sensors are magnetically attached to the exterior of the power transformer. Voltage and current sensors are connected to the primary and secondary conductive wires. The monitor can be parasitically powered to operate with limited battery size. The only use of batteries or storage capacitors is when the supply voltage is lost. The monitor uses a localized board can have a large plurality of inputs for sensors. This allows multiple transformers to be locally connected to the monitor and thereby reduce the number of different communication devices and communication addresses over a Mesh, GPRS Cell network link network.

The present invention provides a carrier aggregation configuration method and device, wherein the configuration method is applied to a network side, and comprises the steps of determining the information of an accessed cell when a terminal accesses a first frequency band carrier, and setting the accessed cell as a main cell; determining a cell set to which the main cell belongs, wherein the cells in the cell set all have at least part of overlapped coverage of the first frequency band carrier and a second frequency band carrier; obtaining the measurement information for measuring the performance of the second frequency band carrier of each cell in the cell set, ranking the cells in the cell set according to the cell network performance parameters in the measurement information to obtain the cell having the optimal network performance of the second frequency band carrier, and setting the cell as the assistant cell of the terminal; sending the first reconfiguration information to the terminal via a radio resource control (RRC) message, and accessing the assistant cell by the terminal, wherein the first reconfiguration information comprises the information of the assistant cell.

A communication system that includes one or more mobile wireless headsets with full duplex capabilities, a server, and a communication access point configured to deliver communications between the server and the mobile wireless headsets. The communication access point can be a multi-cell network of multiple communication access points.

There is provided a technique for determining cell allocation in a network supporting different communication standards.

Femtocell coverage can be extended across a coverage area by providing a cluster of femtocell access points (FAPs). Each FAP is independently registered with a core network and provisioned with a location area code common to each FAP. At hand-in from the macrocell network, an association is made between the mobile station and the hand-in FAP, which becomes an anchor FAP for the duration of the mobile station's presence within the cluster. Calls between the mobile station and the core network are routed via a servicing FAP of the cluster and the anchor FAP.

The invention relates to a rechargeable cell which is used for network digital authentication by exchanging and a system which is used for supplying electric energy for electric vehicles. In the invention, the rechargeable cell of an electric vehicle is designed to be separated from the main body of the vehicle and is mounted with an independent system with digital authentication and record function, thereby realizing fast power supply for the electric vehicle by exchanging cells and leaving the cell with insufficient power in a charging station for long-time sufficient charging to overcome the disadvantage of long charging time of the electric vehicle. Moreover, a storage unit, a process unit and an electrically-controlled lock are mounted in the rechargeable cell, and the rechargeable cell, the electric vehicle and a charging unit are provided with functions of digital authentication and encryption communication, thereby avoiding possibility of low-quality/illegal cell exchange by means of network digital authentication, making clear of liability determination of cell damage, and providing a flexible fee calculation method.

The invention provides a dividing method and apparatus of cell scenes, and is applied to a base station. The dividing method includes: respectively establishing wireless coverage Thiessen polygons of cells and geographical layer buffer areas of geographical scenes of cell coverage, performing overlay analyses on the wireless coverage Thiessen polygons and the geographical layer buffer areas, and determining coverage geographical scenes of the cells; obtaining a dividing standard of cell network optimization scenes through calculation according to a confidence interval algorithm, matching the cells with the dividing standard in terms of current indexes in three dimensions of capacity, coverage and quality, and determining the network optimization scenes in which the cells are located; and determining the cell scenes of the cells according to the coverage geographical scenes of the cells and the network optimization scenes in which the cells are located, and configuring network parameters for the cells according to the cell scenes. According to the method and apparatus, the geographical scenes of the cell coverage are automatically divided, the accurate network optimization scene dividing standard is made, the cell scenes in which the cells are located can be accurately obtained, and the work efficiency of dividing work is greatly improved.

The invention discloses a method and a device for generating a reference signal used for estimating channel quality. The method comprises the following steps of: dividing the band width of an orthogonal frequency division multiple access (OFDMA) symbolic system where the reference signal is into a plurality of sub bands with different lengths, which are used for forming reference signal sub bands; taking a plurality of continuous resource blocks on a symbol of the OFDMA; and interleaving the plurality of continuous resource blocks with the reference signal according to a predetermined frequency domain interval so as to form the reference signal sub bands. Thereafter, system planning equipment controls the set of each reference signal sub band of each antenna in each base station in the whole multi-cell network so as to align the start and end positions of the reference signal sub bands on frequency, wherein the resource blocks (RB) are a plurality of continuous subcarriers on frequency domain.

The invention provides a method for positioning a long term evolution (LTE) terminal in a cell range. The method comprises the following steps that: probe equipment simulates the process of searching a mobile phone cell, acquires a cell network identifier (E-CELLID), and simulates an LTE base station to induce user equipment (UE) to reside; when performing an adhesion flow, the UE can be required to report an international mobile subscriber identity/international mobile equipment identity (IMSI/IMEI) by using a message flow which is regulated by a protocol; and after the UE resides a cell which is established by a pseudo base station, the pseudo base station initiates and establishes a test loop link, and repeatedly indicates the UE to report received reference signal received power (RSRP) measurement values, wherein a higher RSRP measurement value indicates a shorter distance between the UE and the cell, so that the position of the UE can be determined. By the method, a device used in the method can be applied under the practical condition that LTE base station equipment is damaged, and the UE can be positioned in a short distance.

A method, system, and computer program product for minimizing intra-cell and inter-cell interference in a multi-cell full duplex communication system in a wireless network. The method includes selecting, by a clint selector, a plurality of clients, wherein the plurality of clients includes a plurality of uplink clients configured to transmit signals and a plurality of downlink clients configured to receive signals over a plurality of data streams in each cell of the multi-cell full duplex communication system, and performing, by a spatial interference aligner, spatial interference alignment on interfering data streams to align the interfering data streams of uplink clients towards downlink clients in its own cell and downlink clients in a neighboring cell.

A method that includes interference control at transmitters and interference mitigation at receivers in a wireless communication system is disclosed. Embodiments of the present invention exploit the interference sensitivity at neighboring terminals by taking into account the reciprocity of propagation radio channels in Time Division Duplexing systems (TDD). It can be applied to design the resource allocation for downlink (DL) and uplink (UL) transmissions in a wireless communication system. The methods include the self-configuration of the transmit power, the transmit precoder and the receive filter, at each transmitter and receiver in a multi-cell network. Systems are also provided and configured for implementing the methods of the invention.

The invention provides a network information reporting method and device, a user terminal, a service node and a medium. The method comprises the following steps: when a user terminal works in a firsttype of network, detecting a cell of a second type of network; and reporting cell network information to a service node of the first type of network, wherein the cell network information comprises detected network information corresponding to a target cell of the second type of network.

The invention provides a network expansion method and a network expansion evaluation device, which relate to the technical field of communications and are applied to cell network expansion. The network expansion method comprises the steps: obtaining a busy-hour RRC (Radio Resource Control)maximum connection number X, busy-hour eNodeB successful response times Y, a busy-hour downlink PRB (Physical Resource Block)utilization rate Mand busy-hour downlink data total throughput N of a to-be-evaluated cell,and average call duration Q of a voice service of an existing network cell; according to the X, Y and Q, calculating to obtain an RRC maximum connection number X' of the to-be-evaluated cell after VoLTE (Voice over LTE)is opened; according to the M, Y, Q and N, calculating to obtain a PRB utilization rate M' of the to-be-evaluated cell after the VoLTE is opened; if the X' is larger than a preset downlink RRC user connection number threshold and the M' is smaller than or equal to a downlink PRB utilization rate threshold, additionally configuring a user connection number for the to-be-evaluated cell; if the M' is larger than the downlink PRB utilization rate threshold, transferring preset parts of services of the to-be-evaluated cell based on FDD LTE(Frequency Division Duplexing Long Time Evolution) network.

The invention discloses a base station antenna selecting method based on interference alignment in a multi-cell system, and mainly solves the problems that an existing multi-antenna interference alignment technology is relatively high in system hardware cost, and the base station antenna selecting method based on interference alignment can only be used in a network comprising 3 cells. The method comprises the following implementation steps of: estimating state information of channels from various base stations to users in the resident cells; initiating base station antenna selection schemes of the various cells; along a system and capacity increase optimizing direction, under the condition that other base station antenna selection schemes are unchanged, determining the optimal base station selection schemes of the various cells in sequence by using partial iterative interference alignment; and performing multi-cell interference coordination by adopting traditional iterative interference alignment. The base station antenna selecting method is applicable to an LTE (Long Term Evolution) network oriented to commercial use with a plurality of cells, is low in computation complexity, can reduce the system hardware cost, and realizes compromise between system and capacity and computation complexity.

The invention is directed to a protective circuit for a multiplicity of individual Cells arranged in a rechargeable battery pack, wherein a predefined number of individual cells forms a cell network. A monitoring circuit for the state of charge of the individual cells in the cell network is provided. Wherein the voltage at an individual cell is detected and the detected voltages of a plurality of individual cells are compared among one another to output a signal when an unbalancing limit is exceeded unbalancing limit indicates a permissible voltage difference between two selected individual cells of the cell network. The unbalancing limit of the cell network is provided as a characteristic curve variable over its state of charge. To alter the unbalancing limit, the characteristic curve is altered in dependence on a correction value.