Wipro Limited

Shyam Sundar Pal

Saptarshi Chaudhuri

Avijit Manna

Balaji Sunil Kumar

Manas Sarkar

Gopinath Das

Subhas Chandra Mondal

Swarup Mandal

Saptarshi Chaudhurii

Method and system for managing handover decisions while maintaining quality-of-service (QoS) of active user application sessions in a wireless network is disclosed. The method includes determining QoS requirement for each of the active user application sessions (UASs) based on user entitlements for relevant services associated with the active UASs, assessing the active UASs to determine instantaneous QoS level for each of the active UASs, and identifying impacted user equipment (UE) based on an overall QoS level for a set of active UAS, from among the active UASs, running on the impacted UE. The overall QoS level may be based on the instantaneous QoS level and the QoS requirement for each UAS in the set of active UAS. The method further includes managing a handover decision for the impacted UE based on a need for a handover of the impacted UE and a feasibility of the handover of the impacted UE.

Method and system for managing user application level quality-of-service aware handover in wireless network

Memory management in communication networks is disclosed. The method includes generating a memory allocation trigger for an event based on an event type and estimating a memory size required by the event based on the event type of a user service and at least one configuration parameter. The event type includes a new user service request, a modified user service request, or a network event. The method includes allocating a memory section to the event based on the estimated memory size for the event of the user service and availability of memory blocks in a memory pool, the memory section comprises at least one memory block. The method includes verifying performance of the communication network. Verifying further includes receiving performance feedback for the communication network in response to allocating the memory section for the user service and modifying at least one of the set of configuration parameters.

System and method of memory management in communication networks

The present disclosure discloses method and an Electronic Control Unit (ECU) of an autonomous vehicle for determining safe navigation. The ECU determines current location of vehicle based on orientation and location information of vehicle. One or more pre-defined vehicle parameters and surrounding infrastructure data is determined. Traffic density at current route of vehicle is determined based on surrounding infrastructure data and current location of vehicle. The ECU predicts traffic density at one or more alternate routes for predefined time and distance from current location of vehicle, based on traffic information received from surrounding infrastructure data for one or more alternate routes. Thereafter, route is selected based on one or more pre-defined vehicle parameters, traffic density at current route and traffic density at one or more alternate routes for safely navigating vehicle. The present disclosure provides safe navigation route for vehicle based on predicted traffic and accurate location of vehicle.

Method and system for determining safe navigation of autonomous vehicle

The method of securing secure communication between a User Equipment (UE) and evolved NodeB (eNB), involves deriving a user plane (UP) encryption key (K) from a shared key (K) associated with the UE for an ongoing communication session. At the UE, the UP encryption key (K) may be hashed with a number of random numbers to generate a plurality UP encryption keys(K), wherein the random numbers are transmitted to the eNB through a Packet Data Convergence Protocol (PDCP) control message. One or more data packets sent from the UE to the eNB may be encrypted, by the UE, using the plurality of UP encryption keys (K).

Method and system for securing user plane communication between user equipments and evolved NodeBs

The method of reliable Internet-Of-Thing (IOT) communication across a plurality of IOT devices, involves identifying device information of a source-IOT-device upon synchronization of the source-IOT-device with a current NB-IOT eNB in an IOT network. Upon activating a first IOT application of the source-IOT-device, a check is made to determine that a first target-IOT-device is discoverable in the current NB-IOT eNB for establishing a first IOT session from the source-IOT-device to the target-IOT-device. A short-distance communication link or a NB-IOT communication link may be selected based on the device information of the source-IOT-device, the discoverability of the first target-IOT-device, and the first IOT application activated on the source-IOT-device, A Physical Resource Block (PRB) for a plurality of packets transmitted using the first communication link may be dynamically allocated based on a buffer occupancy associated with the first IOT application of the source-IOT-device.

Method and system for controlling communication between internet-of-things (IOT) devices

Method and device for identifying center of a path for navigation of an autonomous vehicle is disclosed. The method includes receiving a navigation map for a path connecting a destination point and an autonomous vehicle location point. The method further includes identifying a plurality of obstruction points along boundaries of the path based on the navigation map. The method includes determining a plurality of halfway points on the path based on the plurality of obstruction points. A halfway point is located between a straight line joining two consecutively identified obstruction points. The method further includes discarding at least one of the plurality of halfway points to extract a final set of halfway points on the path. The method includes arranging halfway points in the final set in a sequential order starting from the destination point to the autonomous vehicle location point.

Method and device for identifying center of a path for navigation of autonomous vehicles

Disclosed herein are a method and system for positioning an autonomous vehicle on a navigation map. The method includes positioning the autonomous vehicle on the navigation map, including receiving the navigation map, an approximate position and an approximate orientation of the autonomous vehicle on the navigation map, and an environmental field of view (FOV) of the autonomous vehicle and determining a first road boundary based on the navigation map and the approximate position of the autonomous vehicle, and a second road boundary based on the environmental FOV and the approximate orientation of the autonomous vehicle, further determining at least one of an angular deviation and a lateral deviation between the first road boundary and the second road boundary, and positioning the autonomous vehicle on the navigation map by minimizing at least one the angular deviation and the lateral deviation.

Method and system for positioning an autonomous vehicle on a navigation map

A method and system for performing orchestration of services in a next generation mobile core (NGxC) is disclosed. The method includes receiving a request from a user for accessing a service from a plurality of services supported by the NGxC network. Upon receipt of the request, the method includes determining at least a type of requested service and a feasibility of delivering the requested service at least based on an entitlement of the user and a capability of a network node for delivering the requested service. The method further includes performing an orchestration of services and one or more resources of the NGxC network for delivering the requested service, based on the determined feasibility.

Method and systems for performing orchestration of services in a next generation mobile core network

The present disclosure discloses method and an autonomous navigation system for autonomously steering a vehicle in a reverse path in real-time. The method comprises instructing to terminate steering of the vehicle in a forward path when a forward steering angle calculated between an orientation of the vehicle and a direction of the forward path is more than a predefined threshold value, calculating a reverse steering angle based on the forward steering angle for steering the vehicle in a reverse path, receiving data of one or more obstacles in the reverse path, determining a distance for steering the vehicle in the reverse path based on the one or more obstacles and the reverse steering angle and instructing the vehicle to steer in the reverse path at the reverse steering angle for the distance. Thus, the present disclosure provides an efficient and simple method for maneuvering obstacles in the forward path.

Method and system for autonomously steering a vehicle in a reverse path in real-time

This disclosure relates generally to autonomous vehicle, and more particularly to method and system for correcting a pre-generated navigation path for an autonomous vehicle. In one embodiment, a method may be provided for correcting the pre-generated navigation path for the autonomous vehicle. The method may include receiving the pre-generated navigation path on a navigation map, an environmental field of view (FOV) of the autonomous vehicle, and a location of the autonomous vehicle on the pre-generated navigation path. The method may further include determining a set of new data points in a pre-defined region with respect to the location of autonomous vehicle based on the environmental FOV and the navigation map, determining an offset of the pre-generated navigation path in the pre-defined region based on the set of new data points, and correcting the pre-generated navigation path in the pre-defined region based on the offset.

Method and system for correcting a pre-generated navigation path for an autonomous vehicle

This disclosure relates generally to cloud radio access network (C-RAN), and more particularly to X2-messaging in the C-RAN. The method may include receiving, by a control unit in the CRAN, in the C-RAN, a request from a first virtual eNodeB (eNB) associated with a source eNodeB (eNB) to establish a X2 interface with each virtual eNB associated with a set of neighbor eNBs. A second virtual eNB associated with a target eNB may be selected from the virtual eNBs associated with the set of neighbor eNBs. A check may be made to determine whether the first virtual eNB and the second virtual eNB associated with the target eNB are co-located on same datacenter in the C-RAN. At least one X2 message may be transmitted between the first virtual eNB and the second virtual eNB that are co-located on the datacenter based on eNB information accessed from a shared storage.

Method and system for X2-messaging in cloud radio access network (C-RAN)

This disclosure relates generally to communication network, and more particularly to a system and method for providing an improved Non-Orthogonal Multiple Access (NOMA) in a wireless communication network. In one embodiment, a method is provided for providing an improved NOMA in a wireless communication network. The method comprises dynamically creating a plurality of user equipment (UE) groups within a network coverage area based on at least one of a modulation coding scheme (MCS) for each UE, a received signal power at each UE, and a mobility of each UE, determining an appropriate codeword for each of the plurality of UE groups, and assigning the appropriate codeword to each of the plurality of UE groups. Each of the plurality of UE groups comprises a plurality of UE's.

System and method for providing improved non-orthogonal multiple access in a wireless communication network

A method and system for adaptive Light Fidelity (Li-Fi) communication is disclosed. The method includes establishing a visible light connection with each of the plurality of Li-Fi enabled devices based on control messages received from each of the plurality of Li-Fi enabled devices. The method further includes receiving device information from each of the plurality of Li-Fi enabled devices connected to the Li-Fi node. The method includes determining, by the Li-Fi node, data rate requirement and service type requirement for each of the plurality of Li-Fi enabled devices based on the received device information. The method further includes allocating, by the Li-Fi node, a spectrum of the visible light to at least one Li-Fi enabled device from the plurality of Li-Fi enabled devices based on data rate requirement and service type requirement associated with the at least one Li-Fi enabled device.

Method and system for adaptive light fidelity (Li-Fi) communication

This disclosure relates generally to autonomous vehicle, and more particularly to method and system for determining a drivable navigation path for an autonomous vehicle. In one embodiment, a method may be provided for determining a drivable navigation path for the autonomous vehicle. The method may include receiving a base navigation path on a navigation map, a position and an orientation of the autonomous vehicle with respect to the base navigation path, and an environmental field of view (FOV). The method may further include deriving a navigational FOV based on the environmental FOV, the base navigation path, and the orientation of the vehicle. The method may further include determining a set of navigational data points from the navigational FOV, and generating at least a portion of the drivable navigation path for the autonomous vehicle based on the set of navigational data points.

Method and system for determining drivable navigation path for an autonomous vehicle

A system and a method for multimedia broadcast and multicast services is disclosed. The method comprises determining, by a multimedia services computing device, at least one of type of multimedia services and number of multimedia services subscribed by each UE of a plurality of UEs. The method further comprises, creating by the multimedia services system, one or more multicast groups of UEs based on a similarity between the at least one of type of multimedia services and the number of multimedia services subscribed by the each UE. Based on the one or more multicast groups the multimedia messages may be multicast or broadcast.

Growing community of inventors

Kolkata, India

Shyam Sundar Pal