Sony Corporation

Sony Semiconductor Solutions Corporation

Sony Deutschland Gmbh

Sony Group Corporation

Sony Europe Limited

Ben Eitel

Daniel Schneider

Thomas Handte

Andreas Schwager

Nabil Sven Loghin

Thomas Kemp

Stefan Uhlich

Mark Veltman

Altfried Dilly

Dana Ciochina

Felix Fellhauer

Rana Ahmed Salem

Lothar Stadelmeier

Dietmar Schill

Gerd Spalink

Carsten Merkle

Rolf Noethlings

Heimo Guth

Martin Fritz

Sebastian Klenk

Julian Zinsser

Robert Fischer

Arthur Witt

Communication device comprising circuitry configured to measure a first phase of a first measurement signal transmitted by a first node to a second node, measure a second phase of a second measurement signal transmitted by the second node to the first node, repeat the measurements of the first and second phases one or more times, receive phase information from the first node and/or the second node, the phase information including third phase information acquired by the second node from measurements of a third phase of the first measurement signals and/or fourth phase information acquired by the first node from measurements of a fourth phase of the second measurement signals, and estimate a distance difference using the measured first and second phases and the received phase information.

Communication device and method

A heading determination device comprises data input circuitry configured to obtain magnetic field sensor data sensed by a magnetic field sensor in sensor coordinates, position input circuitry configured to obtain a position estimate of the magnetic field sensor, and estimation circuitry configured to derive, from a magnetic map, a local azimuth distortion value in a reference coordinate system at the current position of the magnetic field sensor indicated by the obtained position estimate and to estimate the heading of the magnetic field sensor in the reference coordinate system based on the obtained magnetic field sensor data and the derived local azimuth distortion value.

Heading determination device and method, rendering device and method

Communication devices and corresponding methods for RF-based communication and position determination are disclosed. An initiator communication device () comprises an antenna unit () configured to transmit and receive RF signals, a beamforming unit () configured to perform beamforming and to control the antenna unit to transmit and/or receive RF signals using one or more selected beams, a control unit () configured to control the beamforming unit () in a training phase to perform beamforming for determining an initiator line of sight, LOS, beam to a responder communication device (), and a processing unit () configured to determine the initiator LOS beam and/or initiator angular information of the initiator LOS beam and to determine the position of said communication device using the determined initiator LOS beam and/or initiator angular information in a measurement phase.

Communication devices and methods for RF-based communication and position determination

A position determination device comprises data input circuitry configured to obtain magnetic field sensor data sensed by a magnetic field sensor, detection circuitry configured to detect temporal variations of the magnetic field and to generate temporal variation information indicating the detected temporal variation of the magnetic field, and magnetic fingerprinting circuitry configured to determine a first position estimate of the sensor position by comparing the obtained magnetic field sensor data with a magnetic map comprising magnetic fingerprints of a region around the magnetic field sensor and using the generated temporal variation information.

Position determination device and method

A position determination device comprises data input circuitry configured to obtain magnetic field sensor data sensed by a magnetic field sensor, separation circuitry configured to separate the obtained magnetic sensor data into low frequency sensor data including frequencies below a frequency threshold and high frequency sensor data including frequencies above the frequency threshold, fingerprint combining circuitry configured to determine a combined magnetic fingerprint based on the low frequency sensor data and the high frequency sensor data, and position determination circuitry configured to determine the sensor position of the magnetic field sensor by comparing the combined magnetic fingerprint with a magnetic map.

A position determination device, for example for indoor positioning, includes data input circuitry configured to obtain at least one magnetic field vector sensed by a magnetic sensor, data processor circuitry configured to determine the magnetic magnitude and a further magnetic parameter of the at least one obtained magnetic field vector, comparison circuitry configured to compare the determined magnetic magnitude with a predetermined magnetic magnitude map of a region around the magnetic sensor to obtain a first estimate of the sensor position and to compare the determined further magnetic parameter with a corresponding predetermined further parameter map of a region around the magnetic sensor to obtain a second estimate of the sensor position, and position determination circuitry configured to weight the first and second estimates of the sensor position according to determined weight information and to determine the sensor position from the weighted first and second estimates.

A coding and modulation apparatus and method are presented, particularly for use in a system according to IEEE 802.11. The apparatus comprises an encoder configured to encode input data into cell words according to a low density parity check code, LDPC, and a modulator configured to modulate said cell words into constellation values of a non-uniform constellation and to assign bit combinations to constellation values of the used non-uniform constellation, wherein said modulator is configured to use, based on the total number N of constellation points of the constellation and the code rate R, a particular non-uniform constellation, which has been optimized using the peak-to-average power ratio (PAPR).

Coding and modulation apparatus using non-uniform constellation

A method for determining a location of a client device in a wireless network including the client device and at least three network devices, each of the three network devices having a known location comprises a pairwise exchanges of messages between at least three different pairs of network devices of said at least three network devices. In the pairwise exchange messages, wherein in a pairwise message exchange time difference information of the time difference between reception of a message and subsequent transmission of a message is included. This time difference information is used in the determination of the location of the client device.

Method and system for determining a location of a client device, a client device apparatus and a network device apparatus

Communication devices and corresponding methods for RF-based communication and position determination are disclosed. An initiator communication device () comprises an antenna unit () configured to transmit and receive RF signals, a beamforming unit () configured to perform beamforming and to control the antenna unit to transmit and/or receive RF signals using one or more selected beams, a control unit () configured to control the beamforming unit () in a training phase to perform beamforming for determining an initiator line of sight (LOS), beam to a responder communication device (), and a processing unit () configured to determine the initiator LOS beam and/or initiator angular information of the initiator LOS beam and to determine the position of said communication device using the determined initiator LOS beam and/or initiator angular information in a measurement phase.

A receiver unit comprising a signal input configured to receive a receive signal including a plurality of data symbols, a symbol detection circuit configured to detect a subset of data symbols, a reliability measuring circuit configured to determine a reliability value for the data symbols, a feedback loop configured to detect the subset of data symbols and the reliability value iteratively, and a signal output circuitry configured to determine output values of the subset of data symbols on the basis of the detected subset of data symbols and the determined reliability value.

Receiver unit and receiving method

A method for analyzing appliances in a power line network, comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, and detecting an appliance connected to the power line network on the basis of the electrical characteristic of the power line network and a model profile. The model profile is based on electrical characteristics of one or more candidate appliances and on a configuration of the power line network.

Method, sensor and system for analyzing appliances in a power line network

A method for analyzing appliances in a power line network comprises obtaining an electrical characteristic of the power line network, using a sensor that is connected to the power line network, extracting a line-neglecting feature from the electrical characteristic of the power line network, and detecting an appliance connected to the power line network based on the extracted line-neglecting feature.

A receiver apparatus receives a transmit signal through a plurality of transmission channels, wherein each transmission channel is described by its channel vector. A sparseness evaluation unit () may obtain a sparseness measure containing sparseness information for previously estimated frequency-domain channel vectors. From the plurality of receive signals, an estimator unit () estimates updated channel vectors for the transmission channels by applying an iterative blind channel estimation algorithm that may consider a change of the sparseness measure, out-of-band energy information and/or signal-to-noise information and cross-relations between pairs of receive signals. A combining unit () may combine the receive signals on the basis of combining coefficients derived from the estimated channel impulse responses for a pre-selected diversity combining scheme to obtain a combined receive signal representing an estimation of the transmit signal. The receiver apparatus employs an improved blind channel estimation approach.

Signal processing unit employing a blind channel estimation algorithm and method of operating a receiver apparatus

A method for detecting a signal activity on a bus comprises measuring a current on the bus, and determining a signal activity based on the measured current.

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Gaertringen, Germany

Ben Eitel