Samsung Electronics Co., Ltd.

Niranjan

Mohan Reddy Duggi

Shu Wang

Guoxin Fan

Ravikanth Vanapalli

Nim Keung Leung

Thirumalarao Voonna

An embodiment of this disclosure provides a user equipment (UE) for managing handovers between different networks. The UE includes a memory and at least one processor operably connected to the memory. The at least one processor is configured to establish security associations with an evolved data packet gateway (ePDG) over a Wi-Fi network. The at least one processor is also configured to indicate MOBIKE support and a specific timer value corresponding to a specific period of time for maintaining the security associations. The at least one processor is also configured to, after establishing the security associations, perform a handover from the Wi-Fi network to a long term evolution (LTE) network. The at least one processor is also configured to maintain the security associations for the specific period of time corresponding to the specific timer value after performing the Wi-Fi to LTE handover and disconnecting from the Wi-Fi network.

MOBIKE aware LTE to Wi-Fi handoff optimization

A method of operating user equipment (UE) for detecting network capability. The method comprises identifying a preferred mode for a voice over long-term evolution (VoLTE) call handover operation from an LTE network to a non-LTE network in a first communication network. The preferred mode is associated with the first communication network. The method further comprises initiating a VoLTE call in a second communication network different than the first communication network, determining whether the second communication network is capable of supporting the preferred mode associated with the first communication network, and one of changing and maintaining the preferred mode based on a result of the determination.

Adaptive VoLTE handover mode based on network capability

An apparatus and method for managing information in a mobile terminal are provided. The method includes selecting a first object to be linked, selecting a second object for linking with the first object, and linking the first object with the second object. By linking two objects, a user is better able to determine the context in which one or both object are known, thus improving usability of the information. Moreover, a descriptive tag may be used to link the two objects, thus providing additional information by which to associate one object with another object.

Personal information management context links

User equipment (UE) includes a transceiver configured to transmit and receive information to/from a Wireless Fidelity (WiFi) access point. The UE includes processing circuitry coupled to the transceiver and configured to: determine a service provider associated with the WiFi access point based on a response to an ANQP query. The UE is configured to receive at least a portion of a management object (MO). The MO includes a trust field specifying whether the WiFi access point is trusted for WiFi offload by the service provider. The UE is configured to: in response to determining that the WiFi access point is trusted, send an L3 attach trigger. The UE is configured to: in response to determining that the WiFi access point is not trusted, establish an Internet Protocol security (IPsec) tunnel that the UE to an Evolved Packet Data Gateway through the untrusted WiFi access point.

Enhanced hotspot 2.0 management object for trusted non-3GPP access discovery

A server, method, and non-transitory computer-readable medium for multi-endpoint design for IMS supported devices. The server includes a memory, a communication interface, and one or more processors operably connected to the memory and the communication interface. The one or more processors are configured to cause the communication interface to simultaneously transmit the incoming call to both (i) the primary device where IP multimedia subsystem (IMS) service is not supported based on user preference or operator policy and (ii) a secondary device, and transmit a message to the primary device to adaptively trigger IMS service for supporting multi-endpoint service.

Multi-endpoint design for ePDG supported devices

A user equipment (UE), method, and non-transitory computer-readable medium for fast VoWiFi handoff using internet key exchange (IKE) v2 optimization. The UE includes a memory and one or more processors operably connected to the memory, wherein the one or more processors are configured to determine reference signal received power (RSRP) for a long term evolution (LTE) signal and reference signal strength indicator (RSSI) for a WiFi signal, in response to at least the RSSI of the WiFi signal being greater than an RSSI threshold, perform a pre-setup of the IPsec tunnel, determine whether a handoff is to be performed, and in response to a determination that the handoff is to be performed, perform a completion of the IPsec tunnel.

Fast VoWiFi handoff using IKE v2 optimization

A method, apparatus, and user equipment for wireless communication using evolved data packet gateway (ePDG) communication. The method includes identifying one or more wireless access points and a received signal strength indication for each of the one or more wireless access points. The method also includes identifying which of the one or more wireless access points supports ePDG communication. The method also includes selecting a wireless access point of the one or more wireless access points based on the received signal strength indication and whether the wireless access point supports ePDG communication. The method also includes connecting to an ePDG server through the wireless access point.

System and method for access point selection with evolved packet data gateway

A mobile ad hoc network (MANET) device is provided. The device has an architecture comprising a Bluetooth adaptation layer for wireless communication according to a Bluetooth convention, a MANET service layer, a scatternet module, a routing module, and a flow control manager in the MANET service layer. The scatternet module and the routing module are in communication with the MANET service layer. The MANET service layer is independent of the topology protocol of the scatternet module and independent of a routing rules of the routing module.

Architecture for MANET over Bluetooth

A system, method, and computer readable medium using a hierarchical multicast protocol in a mobile ad-hoc network, comprises identifying a parent node, determining a sub-group node in communication with the parent node, determining a maximum number of host nodes in communication with the sub-group node, determining an address of the parent node based upon the determined sub-group node and the determined maximum number of host nodes, setting an address of the sub-group node based upon the determined address of the parent node, and applying a host node address to at least one of the host nodes based upon the set sub-group node address.

Hierarchical multicast protocol in a mobile ad-hoc network

A system and method for wireless communication by a plurality of devices in a scatternet network is provided. The method includes discovering one or more of the plurality of devices in the scatternet network. The method includes determining roles for one or more of the plurality of devices, and transferring data between one or more of the plurality of devices. The discovering of other devices, determining roles, and transferring data between one or more of the plurality of devices occur substantially simultaneously.

Automatic discovery and connectivity protocol for bluetooth scatternet formation

A wireless device is provided that includes a processor configured to execute instructions that promote performing a method. The method includes determining a user profile of a user of the wireless device. The method also includes determining a relationship of the wireless device to a topology of a wireless network wherein the wireless device is a node, the relationship of the wireless device to the topology of the network based at least in part on the user profile.

Systems and methods for optimizing the topology of a bluetooth scatternet for social networking

A system, method, and computer readable medium for group communication protocol in mobile ad-hoc network, that comprises, collecting a route from a source node to at least one group member node, caching the collected route information, and merging an intermediate link of a host node having a single branch to the at least one group member node in the collected route.

Group communication in a mobile ad-hoc network

A system and method for designing applications for a device in a Bluetooth-based MANET (mobile ad hoc network) is provided. The method includes providing an application having an event module and a plurality of protocol modules. The method includes specifying whether the application will execute in either a high or low priority thread. The method also includes specifying whether high priority threads execute with one of an unblocking status and a best effort status, and specifying whether lower priority threads execute with one of a blocking status, the unblocking status, and the best effort status.

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The Colony, TX, United States of America

Niranjan