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1369 results about "Primary battery" patented technology

Primary cell. A primary cell is a battery that is designed to be used once and discarded, and not recharged with electricity and reused like a secondary cell (rechargeable battery). In general, the electrochemical reaction occurring in the cell is not reversible, rendering the cell unrechargeable.

Network Energy Saving for Multiple Cells

A base station can receive, while a primary cell (PCell) and a secondary cell (SCell) are in a second power state, an uplink wake-up signal from a wireless device. In response to receiving the uplink wake-up signal, the base station can transition the PCell to a first power state and maintain the SCell in the second power state.
Owner:OFINNO LLC

Fast primary cell switching in carrier aggregation

Methods, systems, and devices for wireless communications are described. The method includes establishing a first component carrier as a primary cell for the user equipment (UE) and a second component carrier as a secondary cell for the UE, receiving primary cell configuration information for the second component carrier while the second component carrier is the secondary cell for the UE, receiving a control message triggering a switch of the primary cell from the first component carrier to the second component carrier, and establishing the second component carrier as the primary cell for the UE based on the control message and in accordance with the primary cell configuration information associated with the second component carrier.
Owner:QUALCOMM INC

Beam Failure Reporting in a Multi-Transmission and Reception Point Scenario

A wireless device receives one or more radio resource control (RRC) messages comprising configuration parameters indicating a first set of reference signals (RSs) for a first beam failure detection of a primary cell, a second set of RSs for a second beam failure detection of the primary cell, and a scheduling request (SR) configuration for reporting a beam failure detected on the second set of RSs. The first set of RSs is associated with a first group index and the second set of RSs is associated with a second group index. Based on the second beam failure detection on the second set of RSs, the wireless device transmits, using the SR configuration, a physical uplink control channel (PUCCH) transmission with a recovery request associated with the second set of RSs.
Owner:OFINNO LLC

Techniques for neighbor cell measurement in wireless communications systems

Methods, systems, and devices for wireless communications are described for a user equipment (UE) to report information associated with neighbor cells when one or more of the neighbor cells are operating in an energy saving mode. A serving cell of a network entity, such as a primary cell (PCell) may request a neighbor cell report from a served UE and, if a neighboring cell is in a NES mode, the served UE may provide an indication that the neighbor cell is in the NES mode. The UE 115 in some cases may transmit a demand for an on-demand signal from the neighbor cell, and monitor for the subsequent signal. The UE may transmit the neighbor cell report to the serving cell based on information provided from one or more of the transmissions of the neighbor cell.
Owner:QUALCOMM INC

Instruction method and apparatus for carrier aggregation, device, and storage medium

An instruction method and apparatus for carrier aggregation, a device, and a storage medium, relating to the technical field of mobile communications. The method is executed by a terminal and comprises: receiving an RRC reconfiguration message sent by a network device (301), the RRC reconfiguration message being used for carrying LTM candidate configuration information, and the LTM candidate configuration information being used for indicating the configuration of a candidate primary cell; performing L1 measurement on the candidate primary cell, and primary secondary cells and / or secondary cells associated with the candidate primary cell to obtain an L1 measurement report (302); reporting the L1 measurement report to the network device (303); and receiving first instruction information sent by the network device on the basis of the L1 measurement report (304), wherein the first instruction information is used for instructing the terminal to add and / or activate a primary secondary cell and / or a secondary cell for carrier aggregation.
Owner:GUANGDONG OPPO MOBILE TELECOMMUNICATIONS CORP LTD

Method and apparatus for handling master cell group failure in wireless communication system

The present disclosure relates to handling a master cell group (MCG) failure in wireless communications. According to an embodiment of the present disclosure, a method performed by a wireless device in a wireless communication system comprises: receiving, from a source primary cell (PCell), a conditional mobility command including a mobility condition for a target PCell; starting a timer for a master cell group (MCG) failure recovery and transmitting MCG failure information related to the MCG failure recovery to a primary secondary cell (PSCell), based on detecting a radio link failure (RLF) on the source PCell; and based on that the mobility condition for the target PCell is satisfied while the timer is running: transmitting, to the PSCell, a new PCell indication informing a mobility from the source PCell to the target PCell; and performing a random access to the target PCell for the mobility.
Owner:LG ELECTRONICS INC

Methods and apparatuses of a MRO mechanism for SPAR or SPCR and SCG failure information procedure

Embodiments of the present application relate to methods and apparatuses of a mobility robustness optimization (MRO) mechanism for a successful primary cell of a second cell group (PSCell) addition report (SPAR) or a successful PSCell change report (SPCR) and a secondary cell group (SCG) failure information procedure. According to an embodiment of the present application, a user equipment (UE) includes a processor and a transceiver coupled to the processor; and the processor is configured: to receive, via the transceiver from a MN, configuration information regarding a PSCell addition or change procedure, wherein the configuration information includes a trigger condition to transmit assistant information, and wherein the assistant information is related to successfully completing the PSCell addition or change procedure; and to transmit the assistant information via the transceiver to at least one of the MN, a source SN, or a target SN, in response to successfully completing the PSCell addition or change procedure and in response to meeting the trigger condition.
Owner:LENOVO (BEIJING) LTD

Measurement configuration method and communication apparatus

A measurement configuration method and a communication apparatus are provided, includes: A source master node sends a CHO request to one or more candidate master nodes, receives a CHO request response which includes a CHO configuration, a first CPAC configuration, and a to-be-measured frequency of a candidate secondary node sent by a first candidate master node, and sends a first RRC configuration message which includes the CHO configuration, a second CPAC configuration, and a measurement configuration to a terminal device. The measurement configuration includes a measurement object and a first measurement gap configuration. The measurement object includes a to-be-measured frequency of the source master node, a to-be-measured frequency of the first candidate master node, a to-be-measured frequency of a source secondary node, and the to-be-measured frequency of the candidate secondary node. Thus the terminal device access a more proper primary cell and a more proper primary secondary cell.
Owner:HUAWEI TECH CO LTD

Radio terminal, radio access network node, and method therefor

When a secondary cell of carrier aggregation has been activated, a radio terminal (2) communicates with a radio access network (RAN) node (1) in an active downlink (DL) bandwidth part (BWP) selected from among a plurality of DL BWPs for the secondary cell. In addition, when the secondary cell is in a dormant state, the radio terminal (2) transmits to the RAN node (1), via a primary cell or another activated serving cell of the carrier aggregation, a channel state information report for a target DL BWP selected from among the plurality of DL BWPs. It is thus, for example, possible to allow the radio terminal to perform channel a state information measurement on a dormant SCell that has been configured with a plurality of BWPs.
Owner:NEC CORP

Battery film surface defect detection method based on deep learning

The invention relates to the technical field of defect detection, and provides a battery film surface defect detection method based on deep learning, and the detection method comprises the following steps: S1, obtaining the image features of a battery film surface image, the image features comprising a color feature and an HSV feature; s2, extracting a battery film surface image according to a V-channel image in the HSV features, and removing an irrelevant background to obtain a first image; s3, performing non-local mean filtering and logarithm transformation on the first image in sequence to obtain a second image; s4, performing connectivity analysis on the second image to screen out defect areas and extract defect features; s5, by analyzing defect areas and features, positioning edge positions of defect features by using an edge model; and S6, detecting the edge position of the defect feature in the step S5 by adopting a sequential similarity detection algorithm, and matching the defect target of the surface image of the primary battery film. The objective of the invention is to improve the accuracy and efficiency of defect detection of the perovskite cell film.
Owner:GUANGDONG VOCATIONAL COLLEGE OF SCI & TRADE

Method for constructing corrosion rate prediction model of metal material

The invention relates to the technical field of prediction model construction, in particular to a method for constructing a corrosion rate prediction model of a metal material. The method comprises the following steps: acquiring bridge design data, collecting metal material and electrolyte component data, and constructing a bridge protection primary battery simulation model; electrolyte concentration change information is collected by dynamically analyzing water flow fluid and ion migration, so that the potential difference and the current density of positive and negative electrodes of the primary battery are calculated; evaluating the metal corrosion rate of the protection electrode, and establishing a corresponding prediction model; according to the method, multiple steps including metal activity analysis, ion activity estimation, current density calculation and the like are refined, so that the accuracy and reliability of a prediction result are ensured. According to the invention, the metal corrosion rate prediction model is more accurate through the corrosion rate prediction optimization of the metal material.
Owner:谢风

Device and method for performing multi-carrier scheduling in wireless communication system

The present disclosure is to perform multi-carrier scheduling in a wireless communication system, a method of operating a user equipment (UE) may include performing an access procedure with a base station, performing a connection establishment procedure for a primary cell with the base station, performing a connection establishment procedure for at least one secondary cell with the base station, receiving downlink control information (DCI) from the base station and receiving data using resources indicated by the DCI.
Owner:LG ELECTRONICS INC

Security key exchange for secondary cell group at lower-layer triggered mobility for the master control group

PCT designated stage expiredWO2025029180A1Security arrangementEngineeringPrimary cell
A method at a communication device to derive security parameters for a current secondary cell group, SCG, or a primary secondary cell, PSCell, during an L1 / L2 triggered mobility, LTM, cell switch procedure for a master cell group, MCG, or primary cell, PCell, includes receiving an LTM cell switch command from a network node indicating an LTM candidate cell configuration for the MCG and information to derive security parameters for operating on the SCG after the LTM cell switch procedure, deriving the security parameters based on the information received, and using the security parameters for operating on the SCG after the LTM cell switch procedure Related communication devices, network node methods and network nodes are disclosed.
Owner:TELEFONAKTIEBOLAGET LM ERICSSON (PUBL)

Methods for managing measurement configurations with l1 / l2 based mobility

A wireless transmit / receive unit (WTRU) is configured with multiple conditional handover and / or measurement reporting configurations. The WTRU activates or deactivates one or more of the multiple configurations depending on various conditions, such as the change of the primary cell (PCell), a combination of currently active secondary cells (SCells) in the configured set of candidate L1 / L2 mobility cells, or depending on specific changes in the combination of currently active cells in the configured set of candidate L1 / L2 mobility cells. A conditional reconfiguration may be executed that updates the set of candidate L1 / L2 mobility cells. A list of mobility area indexes may be included in the configuration, such as including an associated set of conditions for activating a particular area or a set of configurations to activate when the index is activated.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Self-contained charging system for electric vehicle battery

The technology includes an electric vehicle (EV) including a drivetrain system and a power system. The drivetrain system includes an electric motor configured to supply motive power to the EV and a drivetrain controller configured to control power supplied to the electric motor. The power system includes a primary battery configured to supply electric current to the drivetrain controller of the drivetrain system. The primary battery is rechargeable via a charging station. The power system also includes a trickle charger configured to supply a trickle charge to a component of the power system. The trickle charger is a self-contained source of electric current that is generated autonomously and is not rechargeable. The power system further includes a power management controller configured to manage electric current supplied from the trickle charger to the power system.
Owner:AURA ENERGY LLC

Conditional handover configuration method, terminal, and network side device

This application discloses a conditional handover configuration method, a terminal, and a network side device. The method includes: a terminal receives a conditional handover message. The conditional handover message includes a configuration for at least one CHO candidate cell and a configuration for at least one CPAC candidate cell. The configuration for the CHO candidate cell is used for conditional primary cell change; the configuration for the CPAC candidate cell is used for conditional primary secondary cell addition or change and includes an execution condition. A measurement identifier indicated by the execution condition for the CPAC candidate cell is a measurement identifier of a first measurement configuration. The first measurement configuration includes one of the following: an MCG measurement configuration, an SCG measurement configuration, a target MCG measurement configuration, or a target SCG measurement configuration. The measurement identifier is associated with a measurement object and a report configuration.
Owner:VIVO MOBILE COMM CO LTD

Enhancements to on-demand synchronization signal block (SSB) for connected user equipment

A system and a method are disclosed for receiving, by a user equipment (UE) from a primary cell, configuration for on-demand Synchronization Signal Block (SSB) information of one or more secondary cells, receiving, by the UE from the primary cell, an activation indication from the primary cell, wherein the activation indication comprises the on-demand SSB information related to activation of the on-demand SSB of one or more secondary cells, and receiving, after receiving the activation indication, on-demand SSB transmissions by the UE from the one or more secondary cells. The activation indication and / or configuration for the on-demand SSB information includes an SSB index and / or an SSB position within an SSB burst, time-domain behavior information, and / or absolute frequency positions of the on-demand SSB.
Owner:SAMSUNG ELECTRONICS CO LTD

Method and apparatus for transmitting and receiving data in wireless communication system

Various embodiments of the present disclosure relate to a method for transmitting and receiving data in a wireless communication system. A method by which a terminal transmits a power headroom report (PHR) in a wireless communication system, according to one embodiment of the present disclosure, can comprise the steps of: receiving signaling information including at least one indicator indicating PHR reporting for at least one cell among cells for a dual connectivity operation; and transmitting at least one PHR for the at least one cell corresponding to the at least one indicator. The at least one cell can be a primary cell (Pcell) serving the terminal and / or a primary secondary cell (PScell) serving the terminal.
Owner:SAMSUNG ELECTRONICS CO LTD

Terminal apparatus, base station apparatus, and method to perform configuration according to radio resource control reconfiguration message

A terminal apparatus for communicating with a base station apparatus is provided. The terminal apparatus includes a receiver configured to receive a Radio Resource Control (RRC) reconfiguration message including a parameter related to a first configuration from the base station apparatus, and a processing unit configured to perform configuration in accordance with the RRC reconfiguration message received. In a case that a first timer of an RRC protocol expires, a radio link failure of a source primary cell is not detected, and configuration related to Dual Active Protocol Stack (DAPS) handover is performed for the terminal apparatus, the processing unit reconfigures all of state variables configured for a Radio Link Control (RLC) entity of a Signaling Radio Bearer (SRB) in the source primary cell to respective initial values, resumes the SRB suspended in the source primary cell, and transmits an RRC message for notifying the base station apparatus that the DAPS handover has failed.
Owner:SHARP KK

Conditional handover

In some examples, a method, performed in a target master node of a radio network, for preparing handover of user equipment, UE, in dual connectivity, DC, where the handover is between respective primary cells, PCells, of a source master node and a target master node, and respective primary secondary cells, PSCells, of a source secondary node and a target secondary node, comprises receiving, from the source master node, a conditional handover, CHO, request message comprising a unique identifier for the UE defined between the source master node and the target secondary node, and an identifier for the target secondary node, transmitting the unique identifier for the UE to the target secondary node as part of an secondary node addition request for CHO with DC preparation; and receiving, from the target secondary node. first and second delta secondary cell group, SCG, configurations, each one of the first and second delta SCG configurations generated whereby to accommodate different CPC execution states.
Owner:NOKIA TECHNOLOGIES OY

Self-generating stomach residence electronic capsule and application thereof

The invention discloses a self-power-generation stomach residence electronic capsule and application thereof, and belongs to the technical field of medical capsules, the self-power-generation stomach residence electronic capsule structurally comprises a capsule shell, and a self-power-generation stomach residence unit, a drug release unit and a circuit system which are arranged in the capsule shell; the self-generating stomach residence unit structure comprises an anode, a plurality of elastic support arms, a cathode and a fastener, and the fastener fixes the plurality of elastic support arms between the anode and the cathode; the anode and the cathode are subjected to primary battery reaction in a gastric juice environment to generate power; the drug release unit is detachably connected with the self-generating gastric residence unit, the drug release unit comprises a drug cabin and a propelling module, the propelling module comprises an electrolyte, an isolating membrane and a propellant, the isolating membrane plays a role in isolating the electrolyte and the propellant and can be dissolved by the electrolyte under the condition that voltage is applied, and the drug cabin is connected with the drug cabin. After the electrolyte is in contact with the propellant, pushing force is generated to release the medicine in the medicine cabin.
Owner:ZHEJIANG UNIV

Beam information delivery for SCell beam failure recovery operation in NR

Apparatuses, systems, and methods for providing beam information for secondary cell beam failure recovery in a wireless communication system. A wireless device and a cellular base station may establish a wireless link, according to which the wireless device may be configured to communicate using a primary cell and a secondary cell. The wireless device may detect beam failure on the secondary cell. The wireless device may send an indication of the beam failure recovery to the cellular base station. The wireless device may receive information configuring candidate transmit beam reference signals for performing beam recovery on the secondary cell. The wireless device may perform beam identification and report on any new transmit beam(s) identified by the wireless device.
Owner:APPLE INC

Methods and systems for beam recovery and management

A system and methods for beam failure recovery and management for multi-carrier communications with beamforming are disclosed herein. A wireless transmit / receive unit (WTRU) may monitor for and detect a beam failure of a beam associated with a secondary cell (Scell). The WTRU may select an Scell candidate beam. The WTRU may transmit using a selected uplink (UL) resource in a primary cell (SpCell) a medium access control (MAC) control element (CE) including an indication of Scell beam failure and identifying the selected candidate beam. The WTRU may receive an Scell beam failure indication response on the SpCell indicating an SCell index and a downlink (DL) quasi co-location (QCL) reference associated with the Scell. The WTRU may verify that the DL QCL reference matches with the candidate beam. The WTRU may perform random access on the SCell using the selected QCL reference and the selected candidate beam.
Owner:INTERDIGITAL PATENT HOLDINGS INC

Power monitoring system for race car auxiliary battery

A system configured to monitor a primary battery and a backup battery in a vehicle. The system includes one or more active components, such as a controller, that switch power between the primary battery and the backup battery. The system is configured to switch power from the primary battery to the backup battery when the power level of the primary battery drops below a threshold level. The system is generally implemented on a vehicle having an internal combustion engine. Power from the primary battery is used to start the engine. The backup battery is typically a swappable and interchangeable battery, such as a cordless power tool battery. In one example, the vehicle does not include an alternator.
Owner:BLACK BELT RACING LLC

Method for provisioning of conditional pscell change execution condition and measurement configuration after conditional configuration execution

In accordance with example embodiments of the invention there is at least a method and apparatus to perform preparing a conditional cell change in a cellular communication network supporting dual connectivity, comprising: sending, by a master node of the cellular communication network, towards a first target secondary node a message comprising an indication of at least one primary cell of a secondary cell group cell of at least a second target secondary node prepared or to be prepared for a conditional primary cell of a secondary cell group change for a user equipment from a primary cell of a secondary cell group of a secondary node to a primary cell of a secondary cell group of at least a second target secondary node, wherein the message enables, at the first target secondary node, configuration of conditional primary cell of a secondary cell group change execution condition for at least one of the prepared primary cells of a secondary cell group of the at least one second target secondary node for conditional primary cell of a secondary cell group change for the user equipment from a primary cell of a secondary cell group of a first target secondary node to a primary cell of a secondary cell group of at least a second target secondary node.
Owner:NOKIA TECHNOLOGIES OY

Method and device for handover optimization

The disclosure relates to a 5G or 6G communication system for supporting a higher data transmission rate. The disclosure provides a method and device for handover optimization. The method includes transmitting a first message to a second node, wherein the first message includes at least one of first candidate secondary cell group (SCG) primary cell (PSCell) list information, measurement report configuration information, and first master cell group (MCG) plus SCG configuration information. When Conditional Handover (CHO)+Conditional PSCell Addition or Change (CPAC) is combined, a success rate of CHO+CPAC handover is improved by optimization of candidate PSCell selection or optimization of CHO+CPAC execution conditions, thus ensuring a user equipment (UE) to select a suitable target cell, improving robustness and reliability of a UE handover, and further improving system throughput.
Owner:SAMSUNG ELECTRONICS CO LTD

Preparation method of bipolar current collector based on selective double-sided modified masking film, bipolar current collector, pole piece and battery

The invention provides a preparation method of a bipolar current collector based on a selective double-sided modified masking film. The preparation method comprises the following steps: depositing a Ni-Cr alloy layer on a single side surface of an aluminum substrate; one side of the masking film is etched to form a roughened surface, and the other side of the masking film is hydrophobic to form a hydrophobic surface; the roughened surface of the masking film and the surface, without the Ni-Cr alloy layer, of the aluminum matrix are pressed, and the edge is coated with curing glue; and placing the pressed and glued sample in an electroplating solution to electroplate a copper layer, finally cutting off an edge glue sealing area, and stripping the masking film. According to the preparation method, the masking film used for protecting the back surface of the aluminum substrate is subjected to double-sided differential treatment, the edge sealing technology is matched, and the Ni-Cr alloy is adopted for bottoming, so that the adhesive force between the copper plating layer and the aluminum substrate is improved, the risk of causing corrosion of a primary battery is reduced, the bipolar current collector which is firmly combined and has a pure interface can be prepared, and the service life of the bipolar current collector is prolonged. And a feasible solution is provided for realizing light-weight and high-performance current collectors for electronic devices such as lithium batteries and the like.
Owner:YANGZHOU NANOPORE INNOVATIVE MATERIALS TECH LTD

Application method of multi-active-point pyrenyl fused ring compound in primary battery

The invention provides an application method of a multi-active-point pyrenyl fused ring compound in a primary battery, which comprises the following steps: preparing a positive electrode by taking the multi-active-point pyrenyl fused ring compound as a positive electrode active material, and assembling the primary battery by taking alkali metal as a negative electrode and an alkali metal salt solution as electrolyte. The performance of the multi-active-site organic positive electrode material in a primary battery is greatly improved through active substance in-situ carbon loading, a solid polyhydroxy proton donor additive and a liquid proton donor additive. The organic matter is used as a positive electrode, alkali metal is used as a negative electrode, an alkali metal salt solution is used as electrolyte, multi-electron reduction of organic functional groups can be realized in a battery, and the specific capacity and the energy density of the organic electrode material are greatly improved. The organic positive electrode material has the advantages of high energy density, low cost, easiness in large-scale production and the like, and has high application value.
Owner:NANKAI UNIV +1