Panasonic Intellectual Property Corporation of America Patente

Provided is an encoder (100) includes: circuitry (160); and memory (162), in which the circuitry (160): determines which mode is used to perform a prediction process, among modes including a first mode in which the prediction process is performed based on a motion vector of each block in a video and a second mode in which the prediction process is performed based on a motion vector of each sub-block obtained by splitting the block; when the prediction process is performed in the first mode, determines whether to perform a correction process on a prediction image using a spatial gradient of pixel values in the prediction image obtained by performing the prediction process, and performs the correction process when it is determined to perform the correction process; and when the prediction process is performed in the second mode, does not perform the correction process.

A base station equipped with: a receiver circuit that receives control information pertaining to sharing channel state information during coordinated communication between base stations; and a control circuit that, on the basis of the control information, controls the transmission of the channel state information to another base station.

Communication devices and methods for multi-link secured retransmissions are provided. One exemplary embodiment provides a multi-link device (MLD) configured to operate with a first plurality of affiliated STAs, comprising: circuitry, which in operation, sets up a robust security network association (RSNA) with a second MLD that is configured to operate with a second plurality of affiliated STAs, wherein two or more links have been established between STAs of the first plurality of affiliated STAs and corresponding STAs of the second plurality of affiliated STAs, wherein the circuitry constructs an Additional Authentication Data (AAD) and a Nonce that are used for cryptographical encapsulation of a MAC protocol data unit (MPDU) to form an encapsulated MPDU, wherein the AAD includes an Address 1 (A1) field, an Address 2 (A2) field, an Address 3 (A3) field and a Sequence Control (SC) field, and the Nonce includes an Address 2 (A2) field, wherein the SC field of the AAD is based on a SC field of the MPDU, and a transmitter, which in operation, transmits the encapsulated MPDU to the second MLD on a first link as an initial transmission, and upon failure of the initial transmission, retransmits the encapsulated MPDU on a second link without reperforming the cryptographical encapsulation.

The present disclosure relates to methods and apparatuses for intra prediction that serves for reconstructing an image block of an image or video. The intra prediction comprises determining an intra-prediction mode for predicting the image block. When the intra-prediction mode is one of a set of decoder-derived prediction modes, the intra prediction comprises (a) determining one or more prediction directions from already reconstructed pixels of the image; and (b) obtaining a prediction block of the image block by performing an intra prediction which, irrespectively of the one or more prediction directions, (i) comprises application of a direction-based extrapolation according to the one or more prediction directions and based on one or more reference pixels that are pixels adjacent to the image block; and (ii) does not comprise a matrix multiplication with matrices based on the one or more prediction directions. The set of decoder-derived prediction modes includes a first mode based on performing edge detection at individual reference pixel positions adjacent to the image block.

Provided are a user equipment, base station and wireless communication methods related to uplink control information mapping in physical uplink resources in NR (New Radio access technology). A user equipment comprises: circuitry operative to map, in physical resource blocks (PRBs) for Physical Uplink Shared Channel (PUSCH), Uplink Control Information (UCI) to one or more available resource elements according to their distances with resource elements where reference signals are mapped in one or more of time domain, frequency domain and spatial domain; and a transmitter operative to transmit the UCI and the reference signals in PUSCH on the PRBs to a base station.

The present invention appropriately controls settings of feedbacks to a plurality of transmission sources. This wireless communication device comprises: a reception circuit for receiving a plurality of wireless signals transmitted by a plurality of transmission sources; and a control circuit for controlling settings of feedbacks with respect to the plurality of radio signals, depending on differences in reception quality of the plurality of wireless signals.

The present invention provides a terminal that can carry out a random-access process appropriately. A terminal (100) is provided with: a wireless transmission unit (108) that transmits a data signal; and a control unit (101) that determines a second resource for use in transmitting the data signal on the basis of a first resource for use in transmitting a preamble signal.

A three-dimensional data encoding method includes: calculating coefficient values from pieces of attribute information of three-dimensional points included in point cloud data (S7091); quantizing the coefficient values individually to generate quantized values (S7092); and generating a bitstream including the quantized values (S7093). Each of the coefficient values belongs to any one of layers. In the quantizing (S7092), each of the coefficient values is quantized using a quantization parameter for a layer to which the coefficient value belongs among the layers, and the bitstream includes first information and pieces of second information, the first information indicating a reference quantization parameter, the pieces of second information being for calculating quantization parameters for the layers from the reference quantization parameter.

Provided is an Internet of Things, loT, device associated with a first device identifier unique among a plurality of device identifiers associated with a respective plurality of loT devices, wherein the loT device is included in a group associated with a group identifier, comprising a transceiver which, in operation, receives a first message from a communication node, indicating the group identifier; and circuitry which, in operation, determines a second device identifier, the second device identifier having a smaller data size than the first device identifier, wherein the transceiver, in operation, transmits a second message indicating the second device identifier to the communication node.

Provided is an Internet of Things, loT, device, comprising a transceiver which, in operation, receives a first message, the first message indicating group authentication data common to a group including the loT device; and circuitry which, in operation, performs authentication by determining whether or not a communication node is authenticated using the group authentication data, and determining device authentication data specific to the loT device, if it is determined that the communication node is authenticated, wherein the transceiver, in operation, transmits a second message indicating the device authentication data.

The present disclosure relates to a communication device comprising the following. The communication device includes a processing circuitry, which determines a time offset, which is associated with a measurement gap, MG, and is usable for determining whether to skip the MG or not. Determining the time offset is based on a configuration of a time offset, which defines an initial time offset, and based on additional information.

The present disclosure relates to an Internet of Thing, loT, device, comprising the following. A transceiver, which, in operation, communicates a signaling message for a transmission segment of a plurality of transmission segments; and a circuitry, which, in operation determines, based on the signaling message and a segment information of a comparison segment, a segment indicator for communicating the transmission segment.

Provided are a communication apparatus, a network node, and communication methods for a communication apparatus and for a network node. The communication apparatus comprises: a transceiver, which, in operation, receives an indication indicative of at least one out of monitoring duration, a periodicity, a validity duration, or an ON/OFF status of an on-demand common signal; and circuitry, which, in operation, determines, based on the indication, the monitoring duration, the periodicity, the validity duration, and/or the ON/OFF status of the on-demand common signal.

The present disclosure relates to a communication apparatus comprising the following. A transceiver of the communication apparatus, in operation, receives, a signal indicating a first sequence and a second sequence. A processing circuitry of the communication apparatus, in operation, obtains first information from the first sequence and obtains second information from the second sequence, detects presence or absence of a misalignment between the first information and the second information, and in a case of detecting the presence of a misalignment between the first information and the second information performs at least one of the following operations: (i) discarding at least one of the first information and the second information, (ii) performing a transition to a main radio monitoring operation of the communication apparatus, and (iii) performing an error operation.

A three-dimensional point cloud generation method for generating a three-dimensional point cloud including one or more three-dimensional points includes: obtaining (i) a two-dimensional image obtained by imaging a three-dimensional object using a camera and (ii) a first three-dimensional point cloud obtained by sensing the three-dimensional object using a distance sensor (S11, S12); detecting, from the two-dimensional image, one or more attribute values of the two-dimensional image that are associated with a position in the two-dimensional image; and generating a second three-dimensional point cloud including one or more second three-dimensional points each having an attribute value, by performing, for each of the one or more attribute values detected, (i) identifying, from a plurality of three-dimensional points forming the first three-dimensional point cloud, one or more first three-dimensional points to which the position of the attribute value corresponds (S16), and (ii) appending the attribute value to the one or more first three-dimensional points identified (S17).

The present disclosure relates to systems and methods for transmitting data over a wireless channel from a data transmitting node to a data receiving node in a communication system. In particular, the data transmitting node comprises second-layer processing circuitry for receiving, from a third layer, at least one second-layer service data unit, SDU, to be mapped onto a resource allocated for data transmission, and for generating a second-layer protocol data unit, PDU, including said at least one second-layer SDU and at least one second-layer control element, the at least one second-layer control element placed after any of the at least one second-layer SDU, and first-layer processing circuitry for receiving the second-layer PDU generated by the second-layer processing circuitry and mapping the second-layer PDU onto the resource allocated for data transmission. The data receiving node comprises first-layer processing circuitry for de-mapping at least one second-layer protocol data unit, PDU, from a resource allocated for data reception, and a second layer processing circuitry for receiving and parsing the second-layer PDU de-mapped by the first-layer processing circuitry, the second-layer PDU including at least one second-layer service data unit, SDU, and at least one second-layer control element, the at least one second-layer control element following any of the at least one second-layer SDU.

In a repeater device (11210): a communication device (11302) receives position information of a forwarding source device and a forwarding destination device using a first communication scheme; based on the position information of the forwarding source device, a moving mechanism (11301) moves the repeater device (11210) to a position at which it is capable of communicating with the forwarding source device using a second communication scheme; the communication device (11302) receives data from the forwarding source device using the second communication scheme; a storage device (11303) stores the data; based on the position information of the forwarding destination device received by the communication device (11302), the moving mechanism (11301) moves the repeater device (11210) to a position at which it is capable of communicating with the forwarding destination device using the second communication scheme, and the communication device (11302) transmits the data stored in the storage device (11303) to the forwarding destination device using the second communication scheme.

The disclosure relates to an ambient Internet of Things (A-IoT) device, a reader device, and respective methods for an A-IoT device and a reader device. More specifically, the A-IoT device comprises a memory, a transceiver and a circuitry. The memory is suitable for storing one or more transaction identifiers, IDs. The circuitry, in operation, after performing a successful access procedure, stores a first transaction ID in the memory, wherein the access procedure includes receiving a first paging message, and the first paging message includes the first transaction ID. The transceiver, in operation, receives a second paging message, the second paging message includes a second transaction ID. The circuitry, in operation, further determines whether to omit an access procedure in response to the second paging message, wherein the determining is based on the second transaction ID, the first transaction ID stored in the memory, and an indication for the first transaction ID.

Provided are a transmitting apparatus, a receiving apparatus and methods thereof. The transmitting apparatus includes: circuitry, which, in operation, generates a signal including a first type of reference signal used for demodulation and a second type of reference signal used for demodulation; and a transmitter, which, in operation, transmits the signal, wherein the first type of reference signal used for demodulation is mapped to a first resource, and the second type of reference signal used for demodulation is mapped to a second resource, the first type of reference signal used for demodulation is used for a first physical control channel and the second type of reference signal used for demodulation is used for a second physical control channel; or the first type of reference signal used for demodulation is used for PSCCH and the second type of reference signal used for demodulation is used for PSSCH.

A communication apparatus, comprising a transceiver which, in operation, receives a channel state information, CSI, report configuration indicating a CSI resource list including an ondemand synchronization signal block, OD-SSB, and monitors CSI resources included in the CSI resource list; and circuitry which, in operation, derives at least one CSI report quantity from received CSI resources, and performs CSI reporting according to the CSI report configuration, wherein the circuitry, in operation, determines whether or not the OD-SSB is available and performs at least one of the following operations, when it is determined that the OD-SSB is not available: (i) suspending the CSI reporting as long as the OD-SSB is not available, (ii) deactivating the CSI reporting, (iii) performing an error operation, (iv) performing CSI reporting, wherein respective CSI reports include CSI report quantities derived only from CSI resources other than the OD-SSB, and (v) performing CSI reporting, wherein portions of respective CSI reports dedicated for reporting a CSI report quantity derived from the OD-SSB include data other than said CSI report quantity.

An encoder (100) that encodes a current block to be encoded in an image is provided. The encoder includes: processor (al); and memory (a2) coupled to the processor (a1), in which, in operation, the processor (a1): generates a first prediction image based on a motion vector, the first prediction image being an image with full-pel precision; generates a second prediction image using an interpolation filter by interpolating a value at a fractional-pel position between full-pel positions included in the first prediction image; and encodes the current block based on the second prediction image, and in the using of the interpolation filter, the interpolation filter is switched between a first interpolation filter and a second interpolation filter differing in a total number of taps from the first interpolation filter.

The present disclosure relates to a user equipment comprising the following. Processing circuitry of the UE evaluates one or more trigger conditions for one or more mobility candidate cells or beams. In response to evaluating that a trigger condition for a mobility candidate cell or beam is fulfilled, the processing circuitry performs an early downlink synchronization with said mobility candidate cell or beam. The processing circuitry also determines whether to perform an early uplink synchronization or request an indication to perform an early uplink synchronization based on configuration information from a serving base station of the UE. In response to successfully completing the early downlink synchronization with said mobility candidate cells or beams and based on the determination, the processing circuitry performs the early uplink synchronization or requests the indication from the serving base station.

The present disclosure relates to an Internet of Thing, loT, device, comprising the following. A transceiver, which in operation, receives, from a node, a message for a communication process, and a circuitry, which in operation, determines based on an indication of the loT device power shortage to harvest energy for the communication process.

The disclosure relates to an ambient Internet of Things (A-loT) device and a reader device, and respective methods for an A-loT device and a reader device. More specifically, an ambient Internet of Things, A-loT, device, comprises: a transceiver, which in operation: receives a paging message including a persistent identifier, ID, associated with the A-loT device; and circuitry, which in operation: determines, in response to receiving the paging message, whether a temporary ID assigned to the A-loT device by an access network is retained in the A-loT device; and controls, when the temporary ID is retained, the transceiver to transmit the temporary ID to the access network.

The present disclosure provides a transceiver device and scheduling device, and communication methods for transceiver device and scheduling device. The transceiver device comprises a transceiver which, in operation, receives a physical downlink control channel (PDCCH), indicating a frequency range included in a carrier and applicable for transmission to be performed between the transceiver device and a scheduling device and a slot format indicating a sequence of symbol types by which the transmission is to be performed on a plurality of symbols included in a slot on the frequency range, the symbol types including at least one of an uplink symbol type, a downlink symbol type, and a flexible symbol type, and circuitry which, in operation, determines, based on the PDCCH, the frequency range and the slot format. The transceiver, in operation, performs the transmission on the frequency range in compliance with the slot format.

The present disclosure relates to an Internet of Thing, IoT, device, comprising the following. A circuitry, which, in operation, determines a trigger in a first operation state of the IoT device, wherein the first operation state supports maintaining volatile memory content; and the circuitry, which, in operation, decides, based on the trigger, whether to operate the IoT device in the first operation state or in a second operation state, wherein the second operation state supports maintaining volatile memory content.

In a base station, a setting unit for setting the number of detections sets at least one search space that includes plural control channel candidates to be targets of detection of a control signal in a terminal, and a transmission unit transmits the control signal that is mapped on any of the plural control channel candidates in the search space. Here, the number of detections in the search space by the terminal is determined based on settings of the terminal.

The present disclosure relates to a communication apparatus comprising the following. A transceiver of the communication apparatus, in operation, receives one or more signals conveying a measurement gap skipping indication, which indicates to skip at least one measurement gap, MG. A processing circuitry of the communication apparatus, in operation, determines, by using a reception timing of the measurement gap skipping indication, to skip at least one measurement gap among a plurality of configured measurement gaps, which are configured in a time period following the reception timing of the measurement gap skipping indication.

The present disclosure relates to enabling and disabling of codewords in multi-subframe grants. In particular, dynamic and subframe based enabling/disabling of codewords is enabled even if other control parameters including the resource allocation is performed for multiple subframes. For instance, signal from a scheduling entity to a scheduled entity comprises control information including the resource grant common for multiple subframes and a plurality of codewords for each subframe, and a codeword indication indicating enabling or disabling of one or more codewords for each of the multiple subframes. For each subframe it is determined whether a codeword from the plurality of codewords in said subframes is enabled or disabled according to the codeword indication and/or which codeword is enabled or disabled. The indication of enabling and disabling may alternatively be done by using modulation and coding scheme indicator values which are not associated with a particular modulation and coding scheme.

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