Sony Group Corporation

Sony Corporation

Sony Mobile Communications Inc.

Sony Mobile Communications Ab

Sony Goup Corporation

Sony Grop Corporation

Sony Ericsson Mobile Communications Ab

Sony Europe B.v.

Olof Zander

Erik L Bengtsson

Fredrik Rusek

Kun Zhao

Basuki Endah Priyanto

Jose Flordelis

Rickard Ljung

Thomas Bolin

Zhinong Ying

Zuleita Ho

Kåre Agardh

Vanja Plicanic Samuelsson

Torgny Palenius

Bo Hakan Larsson

Martin Warwick Beale

Shin Horng Wong

Anders Berggren

Peter C Karlsson

Nafiseh Mazloum

Scott LaDell Vance

Daniel Lönnblad

Ove Edfors

Fredrik Tufvesson

Pär Håkansson

Filip Skarp

Ulf Thomas Bolin

Daniel Lönblad

Erik Lennart Bengtsson

Scott Ladell Vance

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 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 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

Method, carried out in a radio terminal, for configuring uplink output power of radio transmission from the radio terminal, comprising determining a demand power reduction (P-MPR) based on a maximum power level associated with a first uplink duty cycle (UDC); transmitting, to a radio network node, an indication of the demand power reduction; receiving, from the network node, an indication of a target power reduction (P-MPR) associated with an actual uplink duty cycle (UDC); and configuring the output power based on the target power reduction.

Control of terminal-requested power reduction

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 network node for beam control signalling. The network node is configured to communicate with a wireless device. The method comprises obtaining a first set of candidate beams from the wireless device for communication with the network node based on beam quality indicators. The method comprises determining a second set of candidate beams based on the first set and a number of beams to be used in the communication with the wireless device. The number of candidate beams of the second set is larger than the number of beams to be used for communication with the wireless device. The method comprises transmitting, to the wireless device, control signalling indicative of the second set of candidate beams.

Methods for beam control signalling, network nodes and wireless devices

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 terminal () configured for communication with a wireless network (), the terminal comprising: —a transceiver () for communicating with the wireless network; —logic () configured to control the transceiver to transmit (), to the wireless network, a power class capability indication identifying communication capability of the terminal in the wireless network under at least a first power class (PC-A) and a second power class (PC-B); control the transceiver to receive (), from the wireless network, resource configuration to execute wireless communication using an identified one, or both, of said first and second power class; and control the transceiver to operate () with the received resource configuration using the first and/or second power class.

Multiple power class operation

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 communication device () and a method for a communication device (), for providing a beam report () to an access node () of a wireless network, wherein the communication device is capable of communicating via at least two different device beams (). The method comprises receiving (), from the access node (), at least a first access node beam () having a first access node identity, and a second access node beam () having a second access node beam identity; determining () link quality metrics for each received access node beam; transmitting () the beam report (), comprising said access node beam identities and said link quality metrics, to the access node; wherein the beam report includes information indicating whether said link quality metrics for the first access node beam () and a second access node beam () are associated with different device beams.

Growing community of inventors

Södra Sandby, Sweden

Olof Zander