Abstract: An electric power system includes an inverter device coupled with a motor. The inverter device receives from the motor electric energy generated by dynamic braking of the motor. An energy storage device is coupled with the inverter device, and a variable resistive component is disposed between the inverter device and the energy storage device. The variable resistive component controls a direction of conduction of the electric energy from the inverter device toward the energy storage device, a resistive grid, or a system load. The variable resistive component controls the direction of conduction of the electric energy from the inverter device based on a first amount of the electric energy conducted from the inverter device, a transfer rate of the electric energy conducted from the inverter device, or one or more characteristics of the energy storage device.

Abstract: A controller may control a transfer of electric energy between two or more energy storage devices of a plurality of energy storage devices, at least one energy storage device being disposed onboard a vehicle system, and identify a transfer restriction on the transfer. The controller may change a transfer characteristic based at least in part on the transfer restriction. A system may include a controller to monitor transfer of electric energy between one or more energy storage devices disposed onboard one or more vehicle systems and energy transfer substations that are offboard the one or more vehicle systems. A method may include controlling a transfer of electric energy between two or more energy storage devices, at least one energy storage device being disposed onboard a vehicle system, identifying a transfer restriction on the transfer, and changing a transfer characteristic based at least in part on the transfer restriction.

Abstract: The disclosure relates to method and system for providing a MIMO transceiver in high speed mobility. The method includes dividing, by the wireless MIMO transmitter, transmission data into a plurality of transmit chains corresponding to an antenna. The method further includes generating for the plurality of transmit chains, a Circularly Pulse Shaped Orthogonal Time Frequency Space (CPS-OTFS) time frequency signal based on a first primary parameter. Value of the first primary parameter is determined based on a first predefined algorithm. The method further includes converting for the plurality of transmit chains, the CPS-OTFS time frequency signal to a CPS-OTFS time domain signal based on at least one of a plurality of secondary parameters. A first plurality of N-point Inverse Fast Fourier Transform (IFFT) are employed on the CPS-OTFS time frequency signal. The first plurality corresponds to the number of sub-carriers and N corresponds to a set of time symbols.

Abstract: A system includes a generator coupled to an engine and configured to generate electricity from rotational movement of a shaft of the engine, a motor configured to be driven by the generator through one or more power conversion components, the motor configured to drive a load, a sensor configured to measure generator output, and a controller configured to detect engine imbalance based on a frequency content of a signal output from the sensor in response to a contribution to the frequency content from the one or more power conversion components and/or the load of the motor being less than a threshold value.

Abstract: The disclosure relates to method and system for providing a MIMO transceiver in high speed mobility. The method includes dividing, by the wireless MIMO transmitter, transmission data into a plurality of transmit chains corresponding to an antenna. The method further includes generating for the plurality of transmit chains, a Circularly Pulse Shaped Orthogonal Time Frequency Space (CPS-OTFS) time frequency signal based on a first primary parameter. Value of the first primary parameter is determined based on a first predefined algorithm. The method further includes converting for the plurality of transmit chains, the CPS-OTFS time frequency signal to a CPS-OTFS time domain signal based on at least one of a plurality of secondary parameters. A first plurality of N-point Inverse Fast Fourier Transform (IFFT) are employed on the CPS-OTFS time frequency signal. The first plurality corresponds to the number of sub-carriers and N corresponds to a set of time symbols.

Abstract: A method and system for identifying and mitigating interference caused by a rogue User Equipment (UE) in a Light Fidelity (Li-Fi) communication network is disclosed. The method includes detecting interference caused by the rogue UE to at least one UE from a set of UEs associated with a Li-Fi access point in the Li-Fi communication network. The method further includes assigning a unique first transmission channel to each of the at least one UE in response to detecting the interference. The unique first transmission channel assigned to each of the at least one UE is distinguishable from a second transmission channel associated with the rogue UE. The method further includes scheduling data transmission from each of the at least one UE to the Li-Fi access point based on the associated unique first transmission channel.

Abstract: A method includes detecting an out of phase condition and an in-phase condition between a vehicle platform and two or more propulsion units attached to the platform. A first speed from a first propulsion unit is compared to a second speed and a torque of one or more propulsion units is controlled to reduce the out of phase condition and/or the in-phase condition when a difference between the first speed and the second speed is greater than a threshold value. A vehicle includes a platform, two or more propulsion units attached to the platform, and a processor. The processor compares a first speed from a first propulsion unit to a second speed, detects from the comparison an out of phase condition between the platform and the two or more propulsion units, and detects from the comparison an in-phase condition between the platform and the two or more propulsion units.

Abstract: A method and system for managing interference between transmission sources in an Optical Camera Communication (OCC) network is disclosed. The method includes receiving interference information associated with a set of transmission sources. Each of the set of transmission sources include a set of light sources configured to display one of a plurality of colors. The method further includes assigning a unique guard band to each of the set of transmission sources. The method includes sharing details of the unique guard band assigned to a first transmission source within the set of transmission sources with the camera. The camera is configured as the receiver of the first transmission source. The method further includes instructing the camera to accept data transmitted by the first transmission source based on the assigned unique guard band and drop data transmitted by the remaining set of transmission sources.

Abstract: This disclosure relates to system and method for managing cache data in a network through edge nodes. The method includes receiving set of first node parameters, set of Mobile Edge Computing (MEC) node association metrics, and set of data request parameters from the user device; identifying a variation in at least one of the set of first node parameters, the set of MEC node association metrics, and the set of data request parameters; selecting a second edge node from the plurality of edge nodes to store the cache data based on a set of second node parameters, the set of MEC node association metrics, and the set of data request parameters, when variation is above predefined threshold; associating the second edge node with the user device to store the cache data for the user device; and dynamically managing cache data for the user device in the second edge node.

Abstract: A method and system for identifying and mitigating interference caused by a rogue User Equipment (UE) in a Light Fidelity (Li-Fi) communication network is disclosed. The method includes detecting interference caused by the rogue UE to at least one UE from a set of UEs associated with a Li-Fi access point in the Li-Fi communication network. The method further includes assigning a unique first transmission channel to each of the at least one UE in response to detecting the interference. The unique first transmission channel assigned to each of the at least one UE is distinguishable from a second transmission channel associated with the rogue UE. The method further includes scheduling data transmission from each of the at least one UE to the Li-Fi access point based on the associated unique first transmission channel.

Abstract: The disclosure relates to method and system for detecting and notifying actionable events during surveillance. The method may include receiving initial multi-modal inputs from a geo-location during surveillance, determining an incident of interest based on an analysis of the initial multi-modal inputs, and collecting additional multi-modal inputs from at least one access device corresponding to at least one person in the geo-location upon determination of the incident of interest. The method may further include determining the actionable event based on an analysis of the initial and the additional multi-modal inputs, and providing a notification of the actionable event to one or more appropriate authorities.

Abstract: The disclosure relates to method and system for detecting and notifying actionable events during surveillance. The method may include receiving initial multi-modal inputs from a geo-location during surveillance, determining an incident of interest based on an analysis of the initial multi-modal inputs, and collecting additional multi-modal inputs from at least one access device corresponding to at least one person in the geo-location upon determination of the incident of interest. The method may further include determining the actionable event based on an analysis of the initial and the additional multi-modal inputs, and providing a notification of the actionable event to one or more appropriate authorities.

Abstract: Disclosed subject matter relates to supervised machine learning including a method and system for generating synchronized labelled training dataset for building a learning model. The training data generation system determines a timing advance factor to achieve time synchronization between User Equipment (UE) and network nodes, by signalling the UE to initiate playback of the multimedia content based on the timing advance factor. The training data generation system receives network Key Performance Indicator (KPI) data from the network nodes and a user experience data from the UE, concurrently, for the streamed multimedia content, and performs timestamp based correlation to generate a synchronized labelled training dataset for building a learning model.

Abstract: A method and system for managing interference between transmission sources in an Optical Camera Communication (OCC) network is disclosed. The method includes receiving interference information associated with a set of transmission sources. Each of the set of transmission sources include a set of light sources configured to display one of a plurality of colors. The method further includes assigning a unique guard band to each of the set of transmission sources. The method includes sharing details of the unique guard band assigned to a first transmission source within the set of transmission sources with the camera. The camera is configured as the receiver of the first transmission source. The method further includes instructing the camera to accept data transmitted by the first transmission source based on the assigned unique guard band and drop data transmitted by the remaining set of transmission sources.

Abstract: A method and system for managing interference between a set of Light Fidelity (Li-Fi) access points is disclosed. The method includes receiving a plurality of uplink data frames. Each of the plurality of uplink data frames includes a response that includes one of an Acknowledgement (ACK) and a Negative Acknowledgment (NACK) for the associated downlink test frame and a Channel Quality Indication (CQI) for the associated Li-Fi access point. The method further includes detecting presence of the User Equipment (UE) in an interference region of the set of Li-Fi access points. The method includes attaching the UE with a first Li-Fi access point having the highest CQI and scheduling data transmission from the set of Li-Fi access points in a mutually exclusive time slot. The UE accepts data received from the attached Li-Fi access point and drops data received from remaining set of Li-Fi access points.

Abstract: A method and system for managing interference between a set of Light Fidelity (Li-Fi) access points is disclosed. The method includes receiving a plurality of uplink data frames. Each of the plurality of uplink data frames includes a response that includes one of an Acknowledgement (ACK) and a Negative Acknowledgment (NACK) for the associated downlink test frame and a Channel Quality Indication (CQI) for the associated Li-Fi access point. The method further includes detecting presence of the User Equipment (UE) in an interference region of the set of Li-Fi access points. The method includes attaching the UE with a first Li-Fi access point having the highest CQI and scheduling data transmission from the set of Li-Fi access points in a mutually exclusive time slot. The UE accepts data received from the attached Li-Fi access point and drops data received from remaining set of Li-Fi access points.

Abstract: A method and system for identifying and mitigating interference caused by a rogue Light Fidelity (Li-Fi) access point in a Li-Fi communication network is disclosed. The method includes detecting interference caused by the rogue Li-Fi access point in a first set of Light Emitting Diodes (LEDs) from a plurality of LEDs within the Li-Fi access point. The plurality of LEDs is arranged in a predefined pattern within the Li-Fi access point, and wherein a coverage area associated with the Li-Fi access point is equally divided amongst the plurality of LEDs. The method further includes disabling data transmission from the first set of LEDs in response to detecting the interference. The method further includes enabling data transmission from a second set of LEDs from the plurality of LEDs. The second set of LEDs is unaffected by interference caused by the rogue Li-Fi access point.

Abstract: A method and system for identifying and mitigating interference caused by a rogue transmission source in an Optical Camera Communication (OCC) network is disclosed. The method includes receiving information from a plurality of transmission sources. Each of the plurality of transmission sources is within a capture area of a camera. Each of the plurality of transmission sources comprises a set of light sources configured to display one of a plurality of color codes. The method further includes detecting, through the camera, an interference between a serving transmission source associated with the camera and a non-serving transmission source. The serving transmission source belongs to the plurality of transmission sources. The method further includes establishing the non-serving transmission source as the rogue transmission source, when the non-serving transmission source is not registered with a master coordinator within the OCC network.

Abstract: A system is provided that may include plural converters that are connected to a common bus. Each of the converters may be configured to convert an alternating current (AC) through the common bus to a direct current (DC) by alternating switches of each of the plural converters between open and closed states in a switching cycle. The system may also include a controller circuit that may be configured to adjust the AC conducted onto the common bus to the plural converters so that a root mean square of a ripple current component of the AC meets one or more designated criteria.

Abstract: A method and a system for improving efficiency of a bi-directional optical camera communication between a first OCC device and a second OCC device are disclosed. In an embodiment, the method may include estimating, by a first OCC device comprising a first display device and a first camera device, a first transmission parameter with respect to the first display device and a first reception parameter with respect to the first camera device. The first reception parameter is based on a second transmission parameter of a second OCC device or a channel condition parameter, and the second transmission parameter is derived from an analysis of information captured by the second OCC device from the first OCC device. The method may further include dynamically modifying, by the first OCC device, the first transmission parameter based on the first reception parameter in order to maximize throughput of OCC.