Nokia Technologies Oy

Nokia Corporation

Nokia Solutions and Networks Oy

Nokia Siemens Networks Oy

Antti Sorri

Vinh Van Phan

Lars Dalsgaard

Bernhard Raaf

Mikko Aleksi Uusitalo

Rapeepat Ratasuk

Nitin R Mangalvedhe

Esa Mikael Malkamäki

Esa Mikael Malkamaki

Elena Virtej

Klaus Franz Doppler

Carl Simon Wijting

Sassan Iraji

Juha Sakari Korhonen

Mika P Rinne

Mika Kasslin

Zexian Li

Claudio Rosa

Jari Petteri Lunden

Martti Johannes Moisio

Enrico Rantala

Jean-Philippe Kermoal

Janne Marin

Juha Johannes Salokannel

Philip Ginzboorg

Amitabha Ghosh

Cassio Ribeiro

Antti Piipponen

Harald Kaaja

Enrico-Henrik Rantala

Esa Malkamäki

Panayiotis Papadimitriou

Andrei Malkov

Jari Petteri Lundén

Jussi Jaakkola

Iraji Sassan

He Xiaoben

Antoine Trux

Esa MALKAMÄKI

Jyri K Hämäläinen

Methods and apparatus, including computer program products, are provided for adaptation of WLAN selection thresholds. In one aspect there is provided a method, which may include receiving, at a user equipment, information including one or more thresholds for use when evaluating a selection of a wireless local area network access point for offloading; comparing, by the user equipment, a quality of an access provided by the wireless local area network access point selected in accordance with the one or more thresholds to another quality provided by a cellular access point; reporting, by the user equipment, a result of the comparing; and receiving, by the user equipment in response to the reporting, additional information including one or more adjusted thresholds for use when evaluating wireless local area network access point selection. Related systems, articles of manufacture, and the like are also disclosed.

Adaptive threshold handling for triggering WLAN offloading

A method comprises, in a carrier aggregation system having multiple component carriers, utilizing an air interface based collision avoidance procedure on at least one component carrier that is associated to a cellular radio access technology to check that a radio resource in the at least one component carrier is available; and thereafter communicating on the radio resource using the cellular radio access technology only if the check reveals that the radio resource is available.

Radio operations in a carrier aggregation system

In accordance with an example embodiment of the present invention, an apparatus comprising: at least one processor; and at least one memory including computer program code, wherein the at least one memory and the computer program code are configured to, with the at least one processor, cause the apparatus to perform at least the following: establish connection with a first cell and a second cell, wherein the connection with the first cell and the second cell is configured in a time division multiplexing pattern; determine the connection with the second cell failed; and indicate to the first cell that the connection with the second cell has failed.

Detection and recovery from loss of small cell connection

Disclosed is a User Equipment UE, which establishes connection with a macro eNB (or master eNB) and a small cell eNB (or secondary eNB), measures channel quality (CQI) of a signal received from the small cell eNB, derives a second channel quality based on the measured channel quality of the signal received from the small cell eNB, transmits information associated with the measured channel quality of the signal to the small cell eNB and transmits information associated with the second channel quality to the macro eNB.

Channel quality measurement and reporting in a dual connectivity scenario

In accordance with an example embodiment of the present invention, there is provided an apparatus comprising a transceiver configured to support operation of the apparatus in accordance with a first radio access technology, RAT, and a second radio access technology, RAT, the transceiver being configured to receive an indication conveyed over the second radio access technology, the indication indicating that data is incoming to the apparatus and that the data is to be conveyed over the first radio access technology, and at least one processing core configured to, responsive to the indication, cause the apparatus to receive the data by operating in accordance with the first radio access technology.

Method and apparatus for multimode communication

Methods and apparatus, including computer program products, are provided for providing a preference to a user equipment to indicate how the user equipment should respond to a paging message and the like. The method may include receiving, at a user equipment, an indication representative of whether the user equipment should respond to a base station or respond to an access point; and accessing, based on the received indication, at least one of the base station or the access point to enable offloading to the access point. Related apparatus, systems, methods, and articles are also described.

Paging response via an offload cell

Various example embodiments are disclosed relating to wireless networks and relating to context transfers and multi-band operation in wireless networks. In an example embodiment, a multi-band scheduler may be provided for use in a wireless node. The multi-band scheduler may be configured to: receive one or more data units of a flow; assign each received data unit of the flow to a first frequency band of a plurality of frequency bands; determine a band transfer condition for the flow; and perform a context transfer from the first frequency band to a second frequency band for the flow based on the determined band transfer condition.

Context transfers and multi-band operation for wireless networks

In a non-limiting and example embodiment, a method is provided for controlling usage of prioritized radio channels, comprising: detecting (), by a secondary user apparatus, an interference limitation of a first radio channel for which a primary user apparatus has priority over the secondary user apparatus, selecting (), by the secondary user apparatus, the first radio channel for communication with another apparatus to a first direction after detecting the interference limitation, and selecting (), by the secondary user apparatus, a second radio channel for communication with the other apparatus to a second direction, opposite to the first direction.

Method and apparatus for using radio channels

A method includes scheduling, by a base station configured to service a cell within a cellular communication network, multiple grants to an apparatus in a coverage area of the cell. Each of the scheduled multiple grants includes time-frequency resources in at least one shared spectrum that is to be used by the apparatus to attempt to communicate. Each of the scheduled multiple grants differs from others of the scheduled multiple grants in one or both of time or frequency. The method includes sending indications of the scheduled multiple grants. Another method includes receiving, at the apparatus in the cell, indications of the multiple grants and attempting by the apparatus to communicate using one or more of the multiple grants. Apparatus, computer programs, and program products are also disclosed.

Wireless communication scheduling on shared spectra

A method, apparatus, and computer program for configuring a terminal device of a cellular system to propose aggregation of unlicensed frequencies for the use of the terminal device. A network element receiving the proposal processes the proposal and configures the aggregation of the unlicensed frequencies.

Configuring cellular connectivity

Eliminating or reducing transmission of common signals for enhanced spectral efficiency, improved support for heterogeneous networks, network energy saving possibilities, can be obtained by apparatuses and methods according to certain embodiments. A method for operating a user equipment can include receiving a measurement object from a network for detection of one or more predetermined type cells. A cell search can be conducted. When a predetermined type cell is found, cell specific reference signal hopping parameters can be determined. Then, radio resource management measurement can be performed from the cell specific reference signal hopping parameters.

Common reference signal configuration for carrier aggregation

In accordance with an example embodiment of the present invention, there is provided an apparatus, comprising a memory configured to store at least one first parameter, at least one processing core configured to control, using a cognitive radio principle, radio transmission using a first radio access technology, wherein the at least one first parameter is used in the cognitive radio principle, wherein the at least one processing core is configured to select the at least one first parameter in dependence of at least one second parameter, wherein the at least one second parameter at least one of relates to a second radio access technology and comprises a length of a last burst or silent period of the first radio access technology.

Method and apparatus for managing a wireless transmitter

The exemplary embodiments of the invention relate to at least a method, computer program, and apparatus to transmit a beacon from a first access node to a first user terminal associated with the first access node and also to a second user terminal associated with a second access node, where the beacon includes information indicating a priority of the first access node with respect to a radio resource allocation, and receive feedback from the first user equipment associated with the first access node, where the feedback includes information indicating a priority of the second access node. Further, in accordance with the first embodiments there is adjusting a value of a priority of a wireless network access node over time depending on an amount of radio resources reserved for use by the wireless network access node, such that the priority value decreases as more radio resources are reserved and increases as fewer radio resources are reserved, and transmitting the value of the priority to at least one other wireless network access node. Additionally, the exemplary embodiments of the invention relate to receiving an identification of a radio resource from a serving access node, and transmitting an interfering signal that specifies the identified radio resource. In addition, exemplary embodiments of the invention include detecting at an access node, uplink interference in a radio resource, and releasing a radio resource identified by the radio resource in which uplink interference was detected for use by another access node.

Priority-based fairness and interference signalling technique in a flexible spectrum use wireless communication system

A method for security for inter-RAT carrier aggregation is disclosed. The method includes encrypting a message using an encryption technique for a first RAT. The method also includes sending, to a UE, at least a portion of the encrypted message using a different, second RAT. Sending using the second RAT does not further encrypt the at least a portion of the encrypted message. The method further includes receiving the at least a portion of the message encrypted using the first RAT protocol. Receiving uses the second, different RAT. The method also includes decrypting the at least a portion of the message using the first RAT protocol. Apparatus and computer readable media are also described.

Security solution for integrating a WiFi radio interface in LTE access network

A method is disclosed that includes determining a preamble, at least a portion of which is unique to one or more user equipment for a device-to-device communication of one or more subframes on a band, and performing the device-to-device communication of the one or more subframes comprising the preamble on the band. The band could be, e.g., a lightly-licensed band, a licensed-exempt or unlicensed band, a secondary usage of a band of the licensed band, a band in TV white space, or a licensed band. Apparatus and computer program products are also disclosed.

Growing community of inventors

Helsinki, Finland

Antti Sorri