Sony Group Corporation

Telefonaktiebolaget Lm Ericsson (publ)

Sony Corporation

Sony Goup Corporation

Sony Grop Corporation

Sony Europe B.v.

Jose Flordelis

Olof Zander

Fredrik Rusek

Erik L Bengtsson

Kun Zhao

Bengt Lindoff

Joakim Axmon

Basuki Endah Priyanto

Zhinong Ying

Johan Hill

Kåre Agardh

Nafiseh Mazloum

Philip Månsson

Enric Rovira

Yujie Zhang

Yan Shu

Disclosed is a method, performed by a transmit node, for transmitting N+1 bits to a receive node. N is a positive integer. The method comprises producing a modulation element by mapping the N+1 bits to a constellation point of a N-dimensional tuneable constellation, wherein the N-dimensional tuneable constellation is derived using a constellation tuning parameter. The method comprises determining, based on N, one or more physical resource elements for the modulation element. The method comprises transmitting, to the receive node, the modulation element, using the physical resource elements.

Methods for communicating N+1 bits and related nodes

A method of operating a re-configurable reflective device, RRD () is provided. One or more wireless communication devices () are served by an access node () via the RRD () using multiple spatial data streams. The RRD () comprises multiple reflective elements (), the multiple reflective elements () being grouped into a plurality of subsets (-), the multiple reflective elements () of each subset (-) being re-configurable to provide multiple spatial filters. The method comprises obtaining, from the access node () and for each subset (-) of the plurality of subsets (-), a respective first indicator indicative of a respective entry of a respective first codebook and a respective second indicator indicative of a respective entry of a respective second codebook, and reconfiguring, for each subset (-) of the plurality of subsets (-), the respective multiple reflective elements () to provide a respective one of the multiple spatial filters, based on the respective entry of the respective first codebook and the respective entry of the respective second codebook.

Multiple spatial data streams via a re-configurable reflective device

A method of operating a wireless communication device () connectable to a communications network is provided. The communications network includes an access node (---). The method includes: monitoring for a plurality of reference signals () of a transmission () in a plurality of resources, the transmission being provided by the access node (---); and based on said monitoring: participating in positioning of the wireless communication device () depending on an indicator indicative of at least one of a magnitude or a phase of at least one first path component () of an impulse response () of a radio channel, the at least one first path component being associated with at least one reference signal () of the plurality of reference signals () of the transmission ().

Angle of departure estimation based on channel impulse response

A method is disclosed, performed by a network node, for beam suppression at a wireless device. The wireless device is configured to communicate with the network node. The method comprises transmitting, to the wireless device, reference signals for channel estimation of a set of beams. The method comprises communicating, between the network node and the wireless device, control signaling indicative of beam suppression of at least one beam of a first subset of beams suppressible by the wireless device.

Methods for beam suppression at a wireless device, related network nodes and related wireless devices

A method is disclosed, performed by a first wireless node, such as a wireless device, for enabling positioning of the wireless device. The method comprises providing, to a network node, a measurement report comprising a positioning measurement based on one or more reference signals transmitted from one or more second wireless nodes, such as base stations. The measurement report comprises an indication as to whether the positioning measurement is performed on a Line of Sight, LoS, component of the one or more reference signals.

Methods for positioning of a wireless device, a related wireless device and a related network node

A method of operating a wireless communication device () configured to connect to a communications network () includes: monitoring for multiple downlink reference signals () transmitted by at least one access node of the communications network () using multiple downlink transmit beams (-), each one of the multiple downlink reference signals () being associated with a respective at least one of multiple random-access occasions (-); and accessing at least two random-access occasions () of the multiple random-access occasions (-), the at least two random-access occasions () being associated with at least two downlink reference signals () selected from the multiple downlink reference signals () based on said monitoring and establishing a multibeam operation between the wireless communication device () and the communications network (), wherein the multi-beam operation is established based on at least two downlink transmit beams () used for transmitting the selected at least two downlink reference signals ().

Beam management during initial access

An access node—e.g., a base station—provide a wireless communication device with a configuration of a reference-signal transmission in response to a need to facilitate angle-of-arrival measurements a reconfigurable repeater device.

Configuration of a wireless communication device to facilitate angle-of-arrival measurements at a re-configurable repeater device

A method of operating a wireless communication device () configured to communicate with a communications network () using frequency duplex transmission in an uplink frequency band () and in a downlink frequency band () is provided. The method includes monitoring for first downlink reference signals () transmitted by an access node () of the communications network () in the uplink frequency band () and using multiple first downlink transmit beams (-); and monitoring for second downlink reference signals () transmitted by the access node () of the communications network () in the downlink frequency band () and using multiple second downlink transmit beams (-).

Beam management for frequency division duplex operation

A re-configurable repeater device—such as a large intelligent surface or an amplify-and-forward repeater—includes an array of reflective elements and a beam-shaping unit in front of the array. The beam-shaping unit is configured to increase a beam diameter of an incoming beam. For instance, the divergence of incoming electromagnetic waves can be increased. It would be possible that the beam-shaping unit is im-plemented as a lens, e.g., a Luneberger-type lens.

Re-configurable repeater device including beam-shaping unit

Examples relate to a method of operating a first communication node (CN). The first CN is configured for controlling a re-configurable relaying device (RRD), in particular a re-configurable reflective device, the RRD being reconfigurable to provide multiple contemporaneous spatial polarization filterings, each one of the multiple spatial polarization filterings being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted, in particular reflected, by the RRD. The method comprising providing, to a second CN, a message indicative of the RRD being configurable to transmit an incident signal from a second CN using an output spatial direction to the first CN depending on a property of the incident signal. Further examples, relate to methods of operating the second CN and the RRD. Still further examples, relate to corresponding first CNs, second CNs and RRDs.

Polarization dependent operation of a re-configurable relaying device

According to a first aspect, examples provide a method of operating a first communication node (CN), wherein the first CN is configured for controlling a first CED, wherein the first CED is reconfigurable to provide multiple spatial filterings, each one of the multiple spatial filtering being associated with a respective input spatial direction from which incident signals on a radio channel are accepted and with a respective output spatial direction into which the incident signals are transmitted by the first CED. The method comprises receiving, from a second CN on the radio channel, a first reference signal via a first propagation path and a second propagation path, wherein receiving the first reference signal via the first propagation path involves receiving a component of the reference signal via the first CED, measuring a first reception property of the first reference signal, and providing, to the first CED, a message for configuring the first CED to induce a first phase shift in the first propagation path. Further examples provide a further method of operating a first CN methods of operating a CED as well as respective first CNs, second CNs and CEDs.

Phase shifts for improving communication via coverage enhancing devices

Disclosed is a method performed by a transmitter node of a communication system, for transmitting reference signalling. The method comprises transmitting, to one or more receiver nodes of the communication system, a reference signal sequence using a first antenna port and a carrier frequency. The method comprises transmitting, to the one or more receiver nodes, using another antenna port and the same carrier frequency, a delayed version of the reference signal sequence. The delay is non-zero and less than a symbol duration of the communication system.

Methods for reference signalling, transmitter nodes and receiver nodes

The present disclosure provides a method, performed by a wireless device, for capability signalling. The wireless device comprises one or more antenna panels configured to communicate with a network node. The method comprises obtaining a capability of at least one of the antenna panels, wherein the capability comprises at least one of: a receive-only panel, ROP, capability, a transmit-only panel, TOP, capability, a receive-and-transmit panel, RTP, capability and a dynamic RTP capability. The method comprises transmitting, to the network node, control signalling indicative of the obtained capability of the at least one antenna panel.

Methods for capability signaling, wireless devices and network nodes

A method of operating a transmitter node () configured to communicate with one or more receiver nodes (-) using a re-configurable reflective device. RRD (), is provided. The RRD () is re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective spatial direction (-) into which incident signals are selectively reflected by the RRD (). The method includes repeatedly transmitting reference signals () towards the RRD () at one or more transmit periods (-). The method also includes setting the one or more transmit periods (-) based on a re-configuration timing () of the RRD (), the re-configuration timing () defining a dwell time (-) of the RRD () for providing each one of the multiple spatial filters, to thereby counteract a change of one or more receive periods () of the reference signals () at at least one receiver node () of the one or more receiver nodes (-) caused by the re-configuration timing ().

Repetitive transmissions and re-configurable reflective devices

A method is proposed for operating a re-configurable reflective device, RRD, the RRD being re-configurable to provide multiple spatial filters, each one of the multiple spatial filters being associated with a respective input spatial direction from which incident signals on a data radio channel are accepted and with a respective output spatial direction into which the incident signals are reflected by the RRD. The method comprises: receiving, by the RRD from a first communication node, CN1, on a positioning radio channel different from the data radio channel, a CN1 reference signal, determining, by the RRD, an estimated CN1 angle of arrival of the CN1 reference signal, and reconfiguring the RRD based on the estimated CN1 angle of arrival.

Growing community of inventors

Lund, Sweden

Jose Flordelis