Nokia Technologies Oy

Other

Nokia Solutions and Networks Oy

David Bitauld

Arto Juhani Lehtiniemi

Zoran Radivojevic

Antti Niskanen

Hongwei Li

Joachim Wabnig

Troels Roennow

Enrique Martin-Lopez

Enrique Martin Lopez

Mark Allen

Leo Karkkainen

Ian Davis

Leo Kärkkäinen

Karina Palyutina

Kim Blomqvist

Alexander Bessonov

Khan Baykaner

Troels Ronnow

Troels Rønnow

Marc Bailey

Philip Gordon Derrick

Edward FitzGerald

Edward Fitzgerald

Troels F Roennow

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

Photoacoustic apparatus and methods

According to an example aspect of the present invention, there is provided a method, comprising: receiving an input ordered set of transactions after a genesis block or a preceding compressed block in a chain of blocks, generating a compressed block on the basis of the input ordered set of transactions, wherein processing of the compressed block results to an equivalent final state as processing of the input ordered set of transactions, and providing the compressed block to a distributed network for establishing a new chain epoch and replacing a set of uncompressed blocks associated with the input ordered set of transactions.

Distributed data storage

An apparatus with a first photodetector and a second photodetector is provided. The apparatus is configured to receive light, and the first photodetector is configured to detect a first portion of the light. The first photodetector and the second photodetector are in a stacked arrangement and the apparatus is configured to pass a second portion of the light through the first photodetector to the second photodetector. The apparatus further includes an optical blocking filter configured to filter the second portion of the light prior to the second portion of the light arriving at the second photodetector.

Detector arrangement suited for optical sensors

Apparatus, method, computer program product and computer readable medium are disclosed for trusted computing. A method comprises: at a trusted execution environment (TEE)-enabling processor, creating a signing TEE; performing a first measurement of the signing TEE, wherein the first measurement comprises at least one measurement of the code of the signing TEE, an identity of the signing TEE and a log of activities performing during the creation of the signing TEE; generating a first signature of the result of the first measurement; sending the result of the first measurement and the first signature to a public register such that a verification of the signing TEE can be made by means of the public register; wherein the signing TEE is configured to verify whether a first TEE is recorded on the public ledger.

Method and apparatus for trusted computing

In accordance with an example embodiment of the present invention, there is provided an apparatus () comprising two inputs configured to receive two optical signals from two fibres () from two respective optical transmitters, a beam splitter configured to convert the optical signals into dual rail form, the apparatus being configured to cause the optical signals to interfere with each other, a plurality of single photon detectors configured to measure the dual rail form optical signals, and at least one processing core configured to obtain compensation adjustment information concerning the two fibres and to inform the optical transmitters of the compensation adjustment information.

Fibre-based communication

Apparatus, method, computer program product and computer readable medium are disclosed for trusted computing. A method includes, at an isolated processor including a trusted execution environment and an isolated storage, receiving data encrypted with a first public key; decrypting the encrypted data with a first private key; performing calculation on the decrypted data by using an approved program; and providing the calculation result, wherein the approved program is authorized by a smart contract, a unique identifier of the smart contract is stored in the isolated processor, both the approved program and the isolated processor are verified by at least one participant of the smart contract, and the first public key and the first private key are generated by the isolated processor.

An apparatus, method and computer program wherein the apparatus comprises:a plurality of quantum dot-graphene field effect transistors; circuitry configured to provide an individual drain-source bias voltage to each of a plurality of quantum dot-graphene field effect transistors, wherein different individual drain-source bias voltages have different parameters, to enable the plurality of quantum dot-graphene field effect transistors to detect light from a user of an apparatus; and circuitry configured to obtain output signals from each of a plurality of quantum dot-graphene field effect transistors where the output signal is dependent upon both the light detected by the quantum dot-graphene field effect transistor and the parameters of the drain-source bias voltage to enable the obtained output signals to be used as a scrambled identification signal of the user of the apparatus.

Apparatus, method and computer program for scrambling an identification signal using quantum dot-graphene field effect transistors

A method includes: generating a first comb optical signal; generating a second comb optical signal; exciting a sample using in combination the first comb optical signal and the second comb optical signal; and detecting at the sample an acoustic response of the sample.

Method and apparatus for spectroscopy

An apparatus including a display; a single pixel detector; and a beam splitter. The beam splitter is located relative to the display and the single pixel detector to allow a projected image from the display to pass through the beam splitter and direct a reflected image from an eye to the single pixel detector, where the reflected image is based at least partially upon the projected image.

Eye tracking

According to an example aspect of the present invention, there is provided an apparatus comprising a phase modulator configured to modify a phase of light incoming into the phase modulator, to generate phase-encoded light, a dual rail encoder configured to modify the phase-encoded light in dependence of a control signal, to thereby impart a polarization rotation compensation into the phase-encoded light, and a polarization rotator combiner coupled to the dual rail encoder, configured to convert dual rail light from the dual rail encoder into polarization encoded light, wherein the apparatus is arranged to transmit the polarization encoded light.

Dual rail compensation in phase encoded communication

According to an example aspect of the present invention, there is provided an apparatus comprising a first and a second polarization beam splitter-rotator (), together arranged to split two incoming polarization encoded qubits into four first optical modes, the apparatus being configured to align polarizations of the four first optical modes, an interferometer stage () configured to obtain, from the four first optical modes, four second optical modes, and four detectors () arranged to receive at least one of the four second optical modes.

Bell state measurement

According to an example aspect, there is provided an apparatus comprising a fibre interface coupled, via a first waveguide, with at least one encoder, a controller configured to cause the at least one encoder to encode light received in the apparatus via the fibre interface with information, and to cause a frequency shift in the light, and wherein the apparatus is configured to cause the light to propagate back to the fibre interface.

Fibre-optic communication based on encoded frequency-shifted light

A method including: generating a first comb optical signal; generating a second comb optical signal; exciting a sample using in combination the first comb optical signal and the second comb optical signal; and detecting at the sample an acoustic response of the sample.

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.

Growing community of inventors

Cambridge, United Kingdom

David Bitauld