Nokia Technologies Oy

Nokia Corporation

Nokia Solutions and Networks Oy

Hongwei Li

David Bitauld

Antti Niskanen

Joachim Wabnig

Troels Roennow

Khan Baykaner

Karina Palyutina

Enrique Martin-Lopez

Enrique Martin Lopez

Krishna Dubba

Arto Juhani Lehtiniemi

Piers Andrew

Richard White

Jani Kivioja

Troels Ronnow

Troels Rønnow

Anton Isopoussu

Marc Bailey

Troels F Roennow

Enrique Martin-LÓPEZ

Enrique López

A method, apparatus and computer program, the method comprising: selecting a transaction entity for a mobile entity wherein a digital attribute account is associated with the mobile entity; and assigning one or more items of digital attributes from the digital attribute account associated with the mobile entity to the selected transaction entity such that the assigned items can only be used for transactions between the mobile entity and the selected transaction entity.

Methods, apparatus and computer programs for enabling transactions using digital attributes

An apparatus comprising a processor and memory including computer program code, the memory and computer program code configured to, with the processor, enable the apparatus at least to: identify a target object, from a plurality of objects, which is within a field of view of a first user based on a determined location and orientation of the first user relative to respective predefined locations of the plurality of objects; and generate a command signal configured to trigger a corresponding action associated with the target object.

Apparatus, method and system for identifying a target object from a plurality of objects

According to an example aspect, there is provided a method for obtaining profile information by a node of a distributed network. Need for providing profile information for a user by a node of a second local private network is detected. A profile request transaction is provided to a public distributed ledger for obtaining profile information associated with the user. Profile information associated with the user is received from a providing node capable of accessing a first private distributed ledger storing the profile information. At least some of the received user profile information is provided for at least one device connected to the second local private network.

Profile information sharing

A computer-implemented method for secure de-centralized domain name system, the method comprising: recording a domain registration transaction to a blockchain, the domain registration transaction comprising a domain name, a domain primary key corresponding to a domain public key and domain certificate information for a server node; recording a domain security transaction, comprising the domain public key, to the blockchain to generate a domain name record comprising the domain name, an associated IP address, the domain public key and the domain certificate information, wherein the domain security transaction being signed using the domain primary key; transmitting, by a client node, a domain name request to a domain name node; receiving, by the client node, a domain name response from the domain name node, the domain name response comprising the domain public key, the domain certificate information and the associated IP address retrieved from the domain name record of the blockchain; and initiating a secure communication between the client node and the server node using at least one of the domain public key and the domain certificate information.

Secure de-centralized domain name system

According to an example aspect of the present invention, there is provided an apparatus comprising at least one processing core, at least one memory including computer program code, the at least one memory and the computer program code being configured to, with the at least one processing core, cause the apparatus at least to compile a set of transactions in a block chain based resource management system that have taken place after the most recent block was established, establish a new block in the block chain, and in establishing the new block, for transactions associated with verification accept messages and lacking sufficient resources, cause transferring of the lacking resources from verification nodes having sent the verification accept messages.

Management of cryptographic transactions

In some example embodiments, there is provided an apparatus. The apparatus may include a frequency shifter configured to shift a reference signal to a portion of an optical spectrum separate from another portion of the optical spectrum being used by a signal of interest; and a polarization rotator configured to provide the reference signal shifted and rotated by the polarization rotator. The apparatus may also include a modulator configured to modulate the signal of interest with coherent state information from which quantum key information is derivable. Related systems, methods, and articles of manufacture are also disclosed.

On-chip continuous variable quantum key distribution system with polarization and frequency division multiplexing

In respect of first virtual reality content of a scene captured by a first virtual reality content capture device and second virtual reality content of the same scene captured by a second virtual reality content capture device, the first and second virtual reality content capture devices physically arranged within a predetermined distance of one another in the same scene when the first virtual reality content and the second virtual reality content was captured; provide for display, in virtual reality, of an amalgamated virtual reality space representative of the scene, the amalgamated virtual reality space comprising an amalgamation of both the images or parts thereof of the first virtual reality content and the images or parts thereof of the second virtual reality content.

Apparatus and associated methods for displaying amalgamated virtual reality content

Methods and apparatuses for communication between a mobile device and a target device are disclosed. Information of a target device is determined by means of at least one element of a mobile device for providing an optical link with the target device. An optical component of the mobile device is then aligned with an optical component of the target device based on said information determined by the mobile device. The target device can obtain information of relative positioning of the target device and the mobile device determined for the purposes of providing an optical link between the target device and the mobile device and the optical component thereof can be aligned with the optical component of the mobile device based on the information.

Optical link establishment

According to an example aspect, there is provided an apparatus comprising a first optical converter coupled to a fiber interface and to two waveguides, a dual rail encoder configured to encode dual rail form light from the two waveguides with payload information, and wherein the dual rail encoder is coupled to the first optical converter or to a second optical converter disposed between the dual rail encoder and the fiber interface, and wherein the first optical converter or the second optical converter is coupled so as to provide polarization encoded light into the fiber interface.

Fibre-optic communication based on dual-rail and polarization encoding

For secure wireless communications the sender device uses a rail encoder that outputs dual rail-encoded states of light in a time slot. The states of light dual rail-encode information according to a phase and/or intensity difference between the dual rails, and the rail-encoded states of light may further be converted to a polarization-encoded state. This may be implemented using at least two polarizing beam-splitters with at least one quarter-wave plate disposed therebetween; and/or with integrated waveguides that convert three optical inputs to two optical outputs that are input to a polarization rotator-combiner. The encoder may randomly define the polarization-encoded state such as by randomly selecting from a finite number of at least N=3 possible polarization rotations. The recipient device may use 2N parallel channels to decode the dual rail-encoded states of light, each channel comprising a detector configured to detect one of N possible polarization states.

Secured wireless communications

According to an example aspect of the present invention, there is provided an apparatus () comprising adjustable optical equipment (), a position sensitive photodetector (), at least one light emitter (), and control circuitry () configured to cause the light emitter () and the adjustable optical equipment () to output from the apparatus () a divergent beam of light, to determine a location of a light signal on the position sensitive photodetector () and to cause at least one of the at least one light emitter () and the adjustable optical equipment () to output from the apparatus () a collimated beam of light to a direction selected based at least in part on the location of the light signal on the position sensitive photodetector ().

Free space communication

In accordance with an example embodiment of the present invention, there is provided an apparatus comprising a dual-rail encoder () configured to receive light from a light source and to output dual-rail encoded light, a combiner () configured to convert the dual-rail encoded light into polarization encoded light, and at least one processing core configured to obtain compensation adjustment information concerning a fiber () and to control the dual-rail encoder () based at least in part on the compensation adjustment information.

Fiber-based communication

Methods and apparatuses, including computer program code are disclosed. The apparatus may include at least one processor and at least one memory including computer program code. The at least one processor, the at least one memory, and the computer program code may be configured to cause the apparatus to generate a divergent beam for an optical source that is coincident with a divergent beam for an optical detector. The apparatus may determine an adjustment to a mirror to cause an optical alignment of an incoming beam with the optical detector based on at least an optical intensity across the optical detector, wherein the alignment is with respect to at least another apparatus. The apparatus may adjust a position of the mirror according to the determined adjustment, and change the divergent beam to a collimated beam to enable optical communications with the other apparatus via the collimated beam.

Free-space optical communications for mobile devices

Adjustment of an optical component of a device includes determining of at least one derivative of coupling efficiency of the optical component as a function of parameters used for control of a steering function of the optical component. At least one oscillating component is induced into the parameters for the determining. The adjustment of the optical component is based on the determined at least one derivative.

Alignment of optical devices

Methods and apparatus for distribution of keys are disclosed. An optical signal for carrying encoded information in accordance with a quantum key distribution scheme is generated. The generated optical signal has a wavelength which is changed to another wavelength prior to transmission of the optical signal. The optical signal carrying the encoded information and having the changed wavelength is received, where after decoding of the information takes place by means of detector apparatus operating in the changed wavelength.

Growing community of inventors

Cambridge, United Kingdom

Hongwei Li