Abstract: A transmission apparatus includes a transmitter and a receiver. The transmitter transmits a Trigger Frame for allocating resources for Uplink Multi User (UL MU) transmission, the Trigger Frame comprising a common information field that includes a type subfield indicating one of a plurality of trigger types, wherein the plurality of trigger types includes a first trigger type, a second trigger type and a third trigger type, the first trigger type indicating a basic trigger, the second trigger type indicating multi-user block ack request, and the third trigger type indicating a specific trigger used for soliciting a specific type of UL MU response frame from a plurality of terminal stations. The receiver, responsive to the type subfield indicating the third trigger type, receives the specific type of UL MU response frame from the plurality of terminal station.

Abstract: A transmitting multi-link device (MLD) includes circuitry and a transmitter. The circuitry, in operation, constructs an Additional Authentication Data (AAD) and a Nonce, and encapsulates a plaintext medium access control (MAC) protocol data unit (MPDU), the AAD, and the Nonce to generate an encapsulated MPDU. The AAD includes an Address 1 (A1) field, to which a recipient MLD's MAC address is set, and an AAD Address 2 (A2) field, to which the transmitting MLD's MAC address is set. The Nonce includes a Nonce Address 2 (A2) field, to which the transmitting MLD's MAC address is set. The transmitter, in operation, transmits the encapsulated MPDU to the recipient MLD on a first link.

Abstract: A communication apparatus includes circuitry configured to generate an uplink (UL) single-user (SU) partial bandwidth transmission packet using a first format that contains a first preamble and a data field, wherein the first preamble includes a high efficiency signaling B (HE-SIG-B) field containing resource unit (RU) allocation information indicating one of a plurality of RU arrangements and includes a plurality of user fields; and a transmitter configured to transmit the UL SU partial bandwidth transmission packet to an access point (AP). The one of the plurality of RU arrangements indicates a plurality of RUs which respectively correspond to the plurality of user fields, and one RU of the plurality of RUs is an RU allocated to the AP and other RU(s) of the plurality of RUs are RU(s) unallocated to the AP. The first format is also used for a downlink (DL) multi-user (MU) transmission.

Abstract: The present disclosure provides a communication apparatus comprising: circuity, which, in operation, generates a first frame to initiate a null data packet (NDP) feedback report procedure; and a transmitter, which, in operation, transmits the first frame to one or more peer communication apparatuses, wherein the first frame comprises a first field indicating an intended type of NDP feedback report procedure.

Abstract: The present disclosure provides a communication apparatus comprising a cryptographic circuitry which, in operation, uses a shared cryptographic secret Key and a cryptographic salt to generate a cryptographically encoded Message Integrity Code (MIC) that is computed over the address field of a Wake Up Radio (WUR) frame; and a transmission signal generator which, in operation, generates a secure WUR signal by replacing the address field of the WUR frame with the MIC; and a transmitter which, in operation, transmits the secure WUR signal.

Abstract: An access point (AP) includes circuitry, which, in operation, generates a frame that includes joint transmission (JT) data and a JT identity that uniquely identifies the JT data. The access point further includes a transmitter, which, in operation, transmits the frame to one or more APs that jointly transmit the JT data to a communication apparatus.

Abstract: The present disclosure provides communication apparatus and communication method for multi-user multiple input multiple output transmissions. The communication apparatus comprises: circuitry, which, in operation, generates a physical layer protocol data unit (PPDU) comprising a signal field that indicates resource unit (RU) assignment information for a plurality of other communication apparatuses; and a transmitter, which, in operation, transmits the PPDU to the plurality of other communication apparatuses in two or more 80 MHz frequency segments; wherein when one of the plurality of other communication apparatuses parks in one of the two or more 80 MHz frequency segments, RU assignment information corresponding to the one of the plurality of other communication apparatuses is indicated in the signal field transmitted in the one of the two or more 80 MHz frequency segments.

Abstract: A transmission apparatus of the present disclosure comprises a transmission signal generator which, in operation, generates a transmission signal that includes a legacy preamble, a non-legacy preamble and a data field, wherein the non-legacy preamble comprises a first signal field and a second signal field, the second signal field comprising a first channel field for a first subband channel and, when the transmission signal occupies more than one subband channel, the second signal field further comprising a second channel field for a second subband channel different from the first subband channel, each of the first channel field and the second channel field comprising a user-specific field that includes a plurality of user fields, each user field carrying per-user allocation information for corresponding one of one or more terminal stations, and wherein the plurality of user fields are split equitably between the first channel field and the second channel field when a full bandwidth that covers the first subb

Abstract: The present disclosure provides a communication apparatus and method for wireless local area network sensing. The communication apparatus comprises: a transmitter, which, in operation, transmits a request frame to one or more peer communication apparatuses, the request frame carrying transmission parameters to be used by the each of one or more peer communication apparatuses to transmit a physical layer protocol data unit (PPDU) used for channel measurements; a sensing module configured to perform the channel measurements based on the respective PPDU(s) received from the one or more peer communication apparatuses; and an interface configured to obtain sensing parameters from higher layer applications and pass a result of the channel measurements to the higher layer applications.

Abstract: The present disclosure relates to the prioritization of devices taking part in a multi-user random access wireless communication. Based on some known conditions, devices that comply with the conditions are given preferential treatment during the random access period. The preferential treatment may refer to the eligible devices being allowed to access more resource units during the random access, or it may also mean faster access to the medium during the random access. By taking advantage of the methods described in the present disclosure, it is possible to assign higher priority to selected frame types and/or device categories in a multi-user random access wireless communication system.

Abstract: An communication apparatus of the present disclosure comprises a receiver that receives a Trigger frame for allocating resource units (RUs) for random access and another frame including Random Access parameter element that comprises a first field indicating an OFDMA contention window (OCW) minimum value (OCWmin) and a second field indicating an OCW maximum value (OCWmax); and control circuitry that controls Uplink OFDMA-based Random Access (UORA) procedure using the OCWmin and the OCWmax.

Abstract: A transmission apparatus of the present disclosure comprises a signal generator which, in operation, generates a transmission signal that comprises a data field containing a WUR (Wake Up Radio) Mode Setup frame; wherein a field of a WUR Mode element included in the WUR Mode Setup frame contains the information on Group IDs (Identifiers) assigned by an AP (Access Point) to the station comprising the transmission apparatus; and a transmitter which, in operation, transmits the generated transmission signal.

Abstract: A communication apparatus of the present disclosure comprises a first receiver which, in operation, receives a downlink data frame from a base station; a decoder which, in operation, decodes data included in the received downlink data frame; a signal generator which, when the decoded data indicates that there is no buffered traffic for the communication apparatus, generates an uplink frame that includes acknowledgement information and a wake-up radio (WUR) mode request indicating a request to transit to the WUR mode from a primary connectivity radio (PCR) mode; and a transmitter which, in operation, transmits the uplink frame to the base station.

Abstract: A transmission apparatus of the present disclosure comprises a signal generator which, in operation, generates a transmission signal that includes a data field containing a WUR (Wake Up Radio) frame; wherein an address field of the WUR frame contains a first identifier if the WUR frame is unicast WUR Wake Up frame, or a second identifier if the WUR frame is multicast WUR Wake Up frame, or a third identifier if the WUR frame is broadcast WUR Wake Up frame; wherein the value ranges of the first identifier, the second identifier and the third identifier are mutually exclusive; and a transmitter which, in operation, transmits the generated transmission signal.

Abstract: The present disclosure provides a transmission apparatus that comprises a first payload generator configured to generate payload of a packet of a first signal type; a second payload generator configured to generate payload of a packet of a second signal type; a packet scheduler that controls the transmission timings of the first and the second packet; and a transmitter which, in operation, transmits, under the timing control of the packet scheduler, the packet of the first signal type followed by the packet of the second signal type.

Abstract: The present disclosure provides a communication apparatus comprising a cryptographic circuitry which, in operation, uses a shared cryptographic secret Key and a cryptographic salt to generate a cryptographically encoded Message Integrity Code (MIC) that is computed over the address field of a Wake Up Radio (WUR) frame; and a transmission signal generator which, in operation, generates a secure WUR signal by replacing the address field of the WUR frame with the MIC; and a transmitter which, in operation, transmits the secure WUR signal.

Abstract: A transmission apparatus includes a transmitter and a receiver. The transmitter transmits a Trigger Frame for allocating resources for Uplink Multi User (UL MU) transmission, the Trigger Frame comprising a common information field that includes a type subfield indicating one of a plurality of trigger types, wherein the plurality of trigger types includes a first trigger type, a second trigger type and a third trigger type, the first trigger type indicating a basic trigger, the second trigger type indicating multi-user block ack request, and the third trigger type indicating a specific trigger used for soliciting a specific type of UL MU response frame from a plurality of terminal stations. The receiver, responsive to the type subfield indicating the third trigger type, receives the specific type of UL MU response frame from the plurality of terminal station.

Abstract: The objective of the present invention is to suppress interference on an access point as a result of terminal-to-terminal communication. This terminal is provided with: a control circuit which performs transmission power control of a second link with another terminal, on the basis of a parameter relating to the state of a first link with an access point; and a transmitting circuit which transmits signals in accordance with the transmission power control.

Abstract: An communication apparatus of the present disclosure comprises a receiver that receives a Trigger frame for allocating resource units (RUs) for random access and another frame including Random Access parameter element that comprises a first field indicating an OFDMA contention window (OCW) minimum value (OCWmin) and a second field indicating an OCW maximum value (OCWmax); and control circuitry that controls Uplink OFDMA-based Random Access (UORA) procedure using the OCWmin and the OCWmax.

Abstract: The present disclosure provides communication apparatus and communication method for resource unit allocation signalling. The communication apparatus comprises circuitry, which, in operation, generates a physical layer protocol data unit (PPDU) comprising two signal field content channels in each 80 MHz frequency segment, each of the two signal field content channels comprising a plurality of resource unit (RU) allocation subfields, wherein a value of each of the plurality of RU allocation subfields is able to indicate sizes of component RUs of a large-size RU combination; and a transmitter, which, in operation, transmits the generated PPDU.