Deutschetelekom Ag

Eckard Bogenfeld

Markus Amend

Nico Bayer

Thomas Henze

Katja Hellebrand

Andreas Philipp Matz

Andreas Kassler

Marcus Pieska

Anna Brunstrom

Dimitry Sivchenko

Michael Grigat

Bagnan Xu

Andreas Ross

Sebastian Robitzsch

Bernhard Hahn

A system includes a user equipment (UE), a multi-connectivity (MC) termination point, and a service provider. The UE is connectable to the MC termination point through a first MC path and a second MC path. The first MC path comprises a first access network and the second MC path comprises a second access network. The MC termination point is configured to send, to the service provider, access specific information on behalf of the UE and/or the first MC path. The service provider is configured to send, to the MC termination point, service information associated with the first access network.

Method and system for reachability of services specific to one specific network access over a different network access and system thereof

A method ensures secure communication of a Zero Touch Connectivity-Device (ZTC-Device) in a communication system. The ZTC-Device is configured to communicate with a ZTC-Backend of the communication system by establishing a communication link to the ZTC-Backend via a foreign Wi-Fi hotspot of the communication system. The method includes: locating, by the ZTC-Device, the foreign Wi-Fi Hotspot; identifying the Wi-Fi Hotspot; retrieving a type of trustiness of the Wi-Fi Hotspot based on the identity of the Wi-Fi Hotspot; providing the ZTC-Device and/or the ZTC-Backend with the type of trustiness; and setting, by the ZTC-Device and/or the ZTC-Backend, a security level of the communication link based on the type of trustiness.

Method and communication system for ensuring secure communication in a zero touch connectivity-environment

A compatibility layer, in particular a shim layer, is configured to provide flexible choice of network protocols in a multi-path environment. The compatibility layer includes a first set of communication interfaces that is associated to a first communication link, a second set of communication interfaces that is associated to a second communication link, an access unit configured to get access to a library of network protocols, and a converting unit. The converting unit is configured to convert data packets received from a network entity via the first communication link and/or the second communication link to at least one of the network protocols; and/or the converting unit is configured to convert data packets received from a communication network via the first communication link and/or the second communication link to one standard network protocol.

Techniques for providing a generic multipath system by a flexible selection of network protocols

A data traffic analyzer is configured for detecting bursty data traffic on a data path. The data traffic analyzer measures data traffic parameters of the data path and analyzes the data traffic parameters of the data path to detect a bursty traffic pattern based on comparing the data traffic parameters to a time interval threshold Twhich defines gaps between bursty data traffic. The measured traffic parameters include: i) a data traffic volume and/or a protocol data unit (PDU) count transmitted on the data path; and ii) a time stamp Tcharacterizing the last path usage (LPU) of the data path.

Techniques for detecting bursty traffic pattern detection and scheduling multipath data traffic

A method for enabling communication between a first network entity and a second network entity via at least two network flows includes: providing at least a first network flow and a second network flow of the first network entity; measuring, by a measuring unit associated with the first network entity, condition values of each of the at least two network flows; comparing the measured condition values of the at least two network flows to entries of a condition matrix; based on comparing the measured condition values to the entries of the condition matrix, selecting a mode for the first network entity out of an aggregation mode, a reliability mode, and a single-connectivity mode; and activating the selected mode.

Reliability and aggregation selection for multi-connectivity network protocols

A method for transmitting multiple data streams of different communication services over a multipath transmission system includes: providing data to be transmitted, wherein the data to be transmitted comprises first data and second data; detecting, out of a plurality of communication services, a first communication service the first data belongs to and a second communication service the second data belongs to; mapping the first data to a first data stream and the second data to a second data stream based on the first and second detected communication services; scheduling transfer of the first data stream and the second data stream based on the first classification parameter assigned to the first and second communication services; and scheduling transmission of the first data and the second data to the destination communication device based on the at least one second classification parameter assigned to the first and second communication services.

Method and communication device for transmitting multiple data streams of different communication services over a multipath transmission system

A system includes: a user equipment (UE); at least two Internet access providers; a multi-connectivity provider backend; a home network (HN); and a data network (DN). The UE comprises at least two access interfaces. Multi-connectivity is provided between the UE and the HN. The multi-connectivity provider backend is configured to establish a connection to the HN, and to provide the UE with access to the HN.

Access to a home network within a multi-connectivity framework

A method for reducing the energy consumption of a mobile device includes: measuring condition values of the mobile device by a measuring unit associated to the mobile device; comparing the measured condition values of the mobile device to entries of a condition listing, wherein the condition listing is stored in a memory unit of the mobile device; and initiating an energy saving program of the mobile device upon detecting a match of the measured condition values and an entry of the condition listing. The entries of the condition listing comprise the following measuring condition values of the mobile device: a display state, an activity state, a traffic consumption value, a traffic stream value, an SSID state, a BSSID state, an ESSID state, authentication information, and/or access type information.

Energy saving techniques for multi-connectivity devices

A data traffic control device for controlling different data traffic includes: a first access interface; a data memory; and at least one control unit. The at least one control unit is configured to: store, on the data memory, first data traffic in a first transmission queue, second data traffic in a second transmission queue and third data traffic in a third transmission queue, wherein different priorities are assigned to the first, second and third transmission queues; read out the first data traffic, the second data traffic and the third data traffic stored on the data memory according to the priorities assigned to the first, second and third transmission queues; and transmit, via the first access interface, the first data traffic, the second data traffic and the third data traffic in an order as read out.

Data traffic control device, a residential router, an operator network device and a telecommunication system

A method for restricting multi-connectivity functionality of a user equipment (UE) includes: storing a mapping table on a memory of the UE, wherein the mapping table provides assignment information about a respective single access mode assigned to a service requestable by the UE, wherein the respective single access mode is one of multiple access modes; receiving service information about a requested service via a network interface of the UE; comparing, by a process of the UE, the service information to entries of the mapping table, and selecting a single access mode assigned to the requested service; wherein the multi-connectivity functionality of the UE is restricted by: a bypass entity redirecting data traffic associated with the requested service directly to the selected single access mode; or a multipath scheduler scheduling data traffic associated with the requested service to a communication link that corresponds to the selected single access mode.

Multi-connectivity restriction for services demanding single-path or single access

A multipath bundling system includes: a mobile terminal, comprising a Wireless Technologies Database (WTD) and a processor configured to run a multipath bundling protocol (MBP); and a network entity, wherein the network entity is an external server or a multipath bundling server, and wherein the network entity comprises a Self-Learning Wi-Fi Database (SLWD). The mobile terminal and/or the network entity is configured to run a Search-Compare-Assign Algorithm (SCAA). Running the SCAA includes: receiving input data from the WTD and/or the SLWD, the input data indicating information about wireless technologies, including information about at least one cellular connection and at least one Wi-Fi connection, usable by the mobile terminal for multipath bundling; and determining at least one Wi-Fi connection usable by the mobile terminal for multipath bundling based on the received input data in accordance with an optimization criterion.

Techniques for multipath bundling and determining Wi-Fi connections for multipath bundling

A multipath device for processing multipath data traffic includes: a multipath network access interface comprising at least one access interface for receiving multipath data traffic; and a host processor configured to operate at least one multi-connectivity network protocol and a multipath protocol policy manager (MPPM). The at least one multi-connectivity network protocol is configured to process data traffic of the multipath data traffic that is related to the at least one multi-connectivity network protocol and received via multiple paths of the multipath network access interface. The MPPM is configured to manage the multiple paths of the multipath network access interface and/or the at least one access interface of the multipath network access interface according to a multipath network protocol policy. The multipath network protocol policy depends on feedback from other multi-connectivity network protocols running on the host processor.

Techniques for policy management of multi-connectivity network protocols

A multipath device for processing multipath data traffic, the multipath device comprising: a multipath network access interface for receiving multipath data traffic; and a host processor configured to process a plurality of multi-connectivity network protocols. A specific multi-connectivity network protocol of the plurality of multi-connectivity network protocols is configured to utilize protocol-specific resources of the multipath device for processing a portion of the multipath data traffic that is related to the specific multi-connectivity network protocol. The specific multi-connectivity network protocol is configured to share the network protocol-specific resources with other multi-connectivity network protocols which are configured to process portions of the multipath data traffic that are related to the other multi-connectivity network protocols by distributing payload data transport onto multiple sub-flows of a multipath connection.

Techniques for interaction between network protocols

A multipath scheduler device for scheduling data traffic includes: at least one first type data path; at least one second type data path; and a scheduler configured to schedule a first portion of the data traffic for transmission via the at least one first type data path and to schedule a second portion of the data traffic for delayed transmission via the at least one second type data path.

Techniques for scheduling multipath data traffic

A method for domain name resolution includes: requesting, by an access device, via a resolving request, an IP address based on a present domain name or a domain name based on a present IP address, wherein the access device is configured to have multipath access to a data network via at least two access paths; generating, by the access device, an initial domain name query based on the resolving request; duplicating, by the access device, the initial domain name query into at least two multiplied domain name queries; sending, by the access device, each of the at least two multiplied domain name queries to a respective name server; and receiving, by the access device, a domain name response comprising the requested IP address or the requested domain name from each respective name server.

Growing community of inventors

Carlsberg, Germany

Eckard Bogenfeld