Sony Group Corporation

Sony Corporation

Sony Europe Limited

Sony Europe B.v.

Kazuyuki Shimezawa

Shin Horng Wong

Martin Warwick Beale

Vivek Sharma

Yassin Aden Awad

Samuel Asangbeng Atungsiri

Yuxin Wei

Hideji Wakabayashi

A communications device comprises transmitter circuitry and controller circuitry configured to configure the transmitter circuitry to transmit signals representing data to one or more receiving communications devices via a sidelink interface forming part of a wireless access interface for device to device communications comprising a plurality of resource pool instances. The wireless access interface may be provided by a wireless communications network, the transmitter circuitry being configured to transmit signals to the wireless communications network when in a coverage area of a wireless communications network.

Communications devices, infrastructure equipment and methods

A method of operating a communications device, the method comprising: receiving reference signals transmitted by the infrastructure equipment on a wireless access interface, receiving downlink control information (DCI) transmitted by the infrastructure equipment to the communications device and each of one or more other communications devices which together form a group of communications devices, the DCI indicating whether each of the respective communications devices of the group is to transmit a channel measurement report, and in response to receiving the DCI, determining, based on the DCI, communications resources for transmitting the channel measurement report, generating a channel measurement report based on the received reference signals, and transmitting the channel measurement report using the determined communications resources.

Communications device, infrastructure equipment and methods for performing measurements in a wireless network

A method of transmitting data by a transmitter to a receiver in a wireless communications network. The method comprises receiving data for transmission to the receiver via a communications channel, dividing the data into portions for transmission, receiving, for each of the portions of data, an indication of channel information from the receiver for use by the transmitter in determining values for one or more communications parameters with which the portion of data should be transmitted, determining the values for the one or more communications parameters based on the received channel information, dynamically generating, for each of the portions of data, a waveform representative of the portion of data, and transmitting each of the portions of data, using the generated waveform representations and in accordance with the values of the one or more communications parameters, to the receiver.

A communications device operating according to a Half Duplex Frequency Division Duplex mode of operation (HD-FDD) is configured to transmit and/or receive data in a wireless communications network. The communications device is configured to receive from the wireless communications network a first allocation of first physical resources of an uplink channel of a wireless access interface provided by the wireless communications network for transmitting uplink data to the wireless communications network, and to receive from the wireless communications network a second indicator of second physical resources of a downlink channel of the wireless access interface for receiving downlink data from the wireless communications network.

Communications device, infrastructure equipment, and method for determining a use of first physical resources and second physical resources based on a first format indicator and a second format indicator

A communications device is provided. The communications device (which is a receiving communications device) comprises a transceiver configured to receive signals from and/or to transmit signals to one or more of a plurality of other communications devices within sidelink communications resources of a plurality of resource pool instances of a sidelink interface, each of the resource pool instances being arranged in time in accordance with a resource pool periodicity, the resource pool being formed of a plurality of time-divided slots and a plurality of frequency-divided regions, and a controller. The controller is configured in combination with the transceiver to exchange control signaling with a first transmitting communications device of the plurality of other communications devices. Here, the control signaling comprises an indication of a current power saving status of the receiving communications device.

Communications devices and methods

A method for transmitting data by a communications device, the method comprising determining that a plurality of communications resources overlap, the communications resources being configured for the transmission of data by the communications device, in response to determining that the plurality of communications resources overlap, selecting communications resources comprising at least a portion of one or more of the plurality of communications resources, selecting data to be transmitted using the selected communications resources, and transmitting the selected data using the selected communications resources.

Communications device, infrastructure equipment and methods

A method of receiving data at a communications device from a wireless communications network is provided. The method comprises receiving, by a receiver of the communications device, downlink data during an initial access phase of a communications session of the communications device from a wireless access interface provided by the wireless communications network, and receiving, by the receiver of the communications device, other downlink data during a connected phase of the communications session the communications device transmitted to the communications device via the wireless access interface, the wireless access interface providing communications resources comprising a predetermined number of OFDM symbols in each of a plurality of time slots, the OFDM symbols in the initial access phase having a greater number of sub-carriers available to carry the downlink data within greater frequency domain physical resources than the OFDM symbols in the connected phase.

Communications devices, network infrastructure equipment, wireless communications networks and methods

A method of operating a communications device for transmitting data to or receiving data from an infrastructure equipment forming part of a wireless communications network. The method comprises determining uplink communications resources of a wireless access interface provided by the wireless communications network to be used for the transmission of data by the communications device to the infrastructure equipment, receiving, from the infrastructure equipment via the wireless radio interface, an uplink pre-emption indicator that indicates that at least a portion of the uplink communications resources are allocated for the transmission of signals by another communications device, the at least the portion of the uplink communications resources being located within communications resources of a reference region associated with the uplink pre-emption indicator, and adjusting one or more communications parameters for the transmission of signals representing the data in the uplink communications resources in response to receiving the uplink pre-emption indicator.

Methods, communications device and infrastructure equipment

A method of transmitting data by a communications device to a wireless communications network comprising determining, by the communications device, from granted uplink communications resources, OFDM symbols of one or more time slots which are designated for transmitting uplink data, and transmitting the uplink data in the OFDM symbols determined as designated for uplink transmission. The determining the OFDM symbols of the one or more time slots which are designated for transmitting uplink data includes identifying one or more F-symbols of the one or more time slots designated for transmitting the uplink data based on information received with an indication of the communications resources of the uplink.

OFDM based wireless communication using flexible resources

A method of operating a communications device in a wireless communications network, the method comprising: selecting first uplink communication resources for transmitting uplink data, selecting second downlink communication resources for receiving downlink data, detecting a collision whereby, in accordance with the capabilities of the communications device, the communications device cannot both transmit signals using the first uplink communication resources and receive and decode signals transmitted using the second downlink communication resources, in response to detecting the collision, determining whether the second downlink communication resources are associated with a priority which is higher than a priority associated with the first uplink communication resources, and if the second downlink communication resources are associated with a priority which is higher than the priority associated with the first uplink communication resources, receiving the downlink data using the second downlink communication resources, and refraining from transmitting the uplink data using the first uplink communication resources.

Communications device, infrastructure equipment and methods for handling uplink collisions

A communications device including a receiver configured to receive signals from one or more of a plurality of other communications devices within sidelink communications resources of a plurality of instances of a resource pool of a sidelink interface, the resource pool being formed of a plurality of time-divided slots and a plurality of frequency-divided regions, and a controller. The controller is configured in combination with the receiver to monitor for one or more first current signals transmitted by at least a first transmitting communications device in a first subset of the time-divided slots and the frequency-divided regions of the resource pool during a first of the resource pool instances.

A method of transmitting data by a communications device, the method comprising receiving a plurality of service data units including a first service data unit and a second service data unit at a Service Data Adaptation Protocol (SDAP), service access point (SAP) according to one or more quality of service (QoS) flows, each of the QoS flows defining a quality of service for the data received from the service data units, mapping the service data units received according to the one or more QoS flows on to one or more radio bearers, each of the one or more radio bearers being defined by a packet data convergence protocol (PDCP) entity within a PDCP layer, forming the service data units into protocol data units for transmission via the radio bearer to which the corresponding QoS flow has been mapped, and transmitting the protocol data units via the corresponding radio bearer.

Wireless communications apparatus and methods

A communications device operates to receive data from a wireless communications network. The communications device receives one or more downlink control messages providing indicating a first downlink communications resource of a wireless access interface provided by the wireless communications network from which the communications device can receive first downlink data, and indicating a second downlink communications resource of the wireless access interface from which the communications device can receive second downlink data, and indicating one or more uplink communications resources of the wireless access interface for the communications device to transmit one or more Hybrid Automatic Repeat Request-type (HARQ) feedback messages for indicating whether or not the first and second downlink data is received.

A communications device for communicating with an infrastructure equipment of a wireless communications network, the communications device comprising a transceiver configured to transmit signals and to receive signals on a wireless access interface of the wireless communications network using a plurality of activated bandwidth parts, each being formed from communications resources of a carrier within a carrier bandwidth, and a processor configured to control the transceiver to transmit the signals and to receive the signals, wherein the processor is configured in combination with the transceiver to transmit signals or to receive signals using a first of the plurality of activated bandwidth parts, to receive, via the first activated bandwidth part, an indication of one or more bandwidth parts to be activated, to select one or more bandwidth parts to be de-activated in accordance with a maximum number of activated bandwidth parts permitted for the communications device.

A method of operating a first infrastructure equipment of a wireless communications network comprising a core network part, the first infrastructure equipment, a second infrastructure equipment acting as a backhaul relay node between the first infrastructure equipment and the core network part, and a downstream wireless communications device. The method comprising receiving from the second infrastructure equipment an indication of a first set of communications resources, allocating resource elements of the first set of communications resources for receiving first data for transmission to the core network part from the downstream wireless communications device, and receiving second data transmitted by the second infrastructure equipment on one or more resource elements within a second set of communications resources, the second set of communications resources different from the first set of communications resources.

Growing community of inventors

Basingstoke, United Kingdom

Kazuyuki Shimezawa