Abstract: According to one embodiment, a wireless communication device includes: a receiver that configured to receives a first frame; and a transmitter that configured to transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the first frame and being different from a source address of the first frame.

Abstract: An electronic apparatus includes transmitter circuitry configured to transmit a first association request frame to a first electronic apparatus; and receiver circuitry configured to receive a first association response frame corresponding to the first association request frame from the first electronic apparatus, and to receive a second association request frame from the first electronic apparatus.

Abstract: According to one embodiment, a wireless communication device updates a first parameter when a received packet is from a first communication group, updates a second parameter when the received packet is not from the first communication group and is from an extended communication group, updates a third parameter when the received packet is not from the first communication group and is from the extended communication group, and determines whether to communicate a packet based on the first, second, and third parameter.

Abstract: According to one embodiment, a wireless communication apparatus includes transmitter circuitry, receiver circuitry and processing circuitry. The processing circuitry is configured to determine, based on a first acknowledgement frame and a second acknowledgement frame, a first data frame received by a first wireless communication apparatus and not received by a second wireless communication apparatus among data frames. The processing circuitry is configured to determine that the transmitter circuitry transmits at least one of the first data frame and a second data frame to the second wireless communication apparatus, and the first wireless communication apparatus transmits the first data frame to the second wireless communication apparatus.

Abstract: According to one embodiment, a wireless communication device includes: a receiver that configured to receives a first frame; and a transmitter that configured to transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the first frame and being different from a source address of the first frame.

Abstract: According to one embodiment, an electronic apparatus includes a transmitter. The transmitter transmits data to be transmitted to a third wireless communication apparatus and a first wireless signal to instruct transmission of the data to the third wireless communication apparatus, to the first and second wireless communication apparatuses. The transmitter transmits, if any second wireless signal transmitted from the first or second wireless communication apparatuses is not detected within a first period after transmission of the first wireless signal, a third wireless signal to instruct transmission of the data to the third wireless communication apparatus to the first and second wireless communication apparatuses in order to instruct retransmission of the data.

Abstract: According to one embodiment, a wireless communication device includes a control unit and a wireless unit. The control unit is configured to confirm whether or not a notification that a first frame was successfully transmitted is received from a second communication device. The control unit is configured to transmit, in a case where the notification is not received, the first frame to a first communication device via the wireless unit, and transmit, in a case where a response frame with respect to the first frame is successfully received from the first communication device, the notification to the second communication device. The control unit is configured to discard, in a case where the notification is received, the first frame.

Abstract: According to one embodiment, a wireless device includes an identification information generation unit, a framing unit, and a transmission unit. The identification information generation unit generates identification information for identifying a packet among all other flooding packets to be relayed on the wireless network by arithmetic processing. The framing unit generates a wireless frame when a packet is transmitted to another wireless device as an origin node. The wireless frame includes the packet and the identification information generated by the identification information generation unit. The transmission unit transmits the wireless frame including the packet and the identification information generated by the identification information generation unit.

Abstract: According to one embodiment, an electronic apparatus includes a transmitter circuitry, a receiver circuitry, and a processing circuitry. The transmitter circuitry transmits a first data frame including first data to a destination apparatus. The receiver circuitry receives first acknowledgment information indicative of a reception state of the first data included in the first data frame. The receiver circuitry receives second acknowledgment information indicative of a reception state of the first data included in a second data frame. The second data frame is transmitted from another electronic apparatus to the destination apparatus. The processing circuitry determines whether the first data frame is retransmitted, based on at least one of the first and second acknowledgment information.

Abstract: According to one embodiment, a wireless communication apparatus includes a transmitter. The transmitter transmits, in a first period, a first information frame. The first information frame includes first, verification information and a first key usable in the first period. The transmitter transmits, in the first period and after transmitting the first information frame, a data frame including first data. The transmitter transmits, in the first period and after transmitting the first information frame, a second information frame. The data frame includes a fourth key usable in a second period following the first period. The transmitter transmits, in the second period, a third information frame including third verification information and the fourth key.

Abstract: An electronic apparatus includes transmitter circuitry configured to transmit a first association request frame to a first electronic apparatus; and receiver circuitry configured to receive a first association response frame corresponding to the first association request frame from the first electronic apparatus, and to receive a second association request frame from the first electronic apparatus.

Abstract: According to one embodiment, an electronic apparatus includes receiver circuitry and transmitter circuitry. The receiver circuitry receives a first association request frame from a first electronic apparatus. The transmitter circuitry transmits a first association response frame corresponding to the first association request frame to the first electronic apparatus, and transmits a second association request frame to the first electronic apparatus, in response to receipt of the first association request frame.

Abstract: According to one embodiment, a wireless communication device includes: a receiver that configured to receives a first frame; and a transmitter that configured to transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the first frame and being different from a source address of the first frame.

Abstract: According to one embodiment, a wireless communication device notifies another wireless communication device that any one of a first frequency and a second frequency is set as a primary frequency, connects to the other wireless communication device at the first frequency and the second frequency, and in a case receiving information identifying that the other wireless communication device has a restriction on transmission and reception between the second frequency and the first frequency, obtains an access right of a frame addressed to the other wireless communication device at a secondary frequency other than the primary frequency out of the first frequency and the second frequency.

Abstract: According to one embodiment, a wireless communication device includes: a receiver that configured to receives a first frame; and a transmitter that configured to transmits a second frame including a first identifier and acknowledgement information on the first frame, the first identifier being extracted from a predetermined field of the first frame and being different from a source address of the first frame.

Abstract: According to one embodiment, a wireless communication apparatus includes a transmitter. The transmitter transmits, in a first period, a first information frame. The first information frame includes first, verification information and a first key usable in the first period. The transmitter transmits, in the first period and after transmitting the first information frame, a data frame including first data. The transmitter transmits, in the first period and after transmitting the first information frame, a second information frame. The data frame includes a fourth key usable in a second period following the first period. The transmitter transmits, in the second period, a third information frame including third verification information and the fourth key.

Abstract: According to one embodiment, an electronic apparatus includes a receiver and a transmitter. The receiver is configured to receive, from a first wireless apparatus, a first physical frame including a destination address receivable by a second wireless apparatus different from the electronic apparatus. The transmitter is configured to transmit, to the first wireless apparatus, a first response frame including first information regarding the first physical frame, if the first physical frame is successfully received. A transmission period of the first response frame at least partially overlaps with a transmission period of a second response frame including second information regarding the first physical frame received by the second wireless apparatus.

Abstract: According to one embodiment, a wireless communication apparatus includes receiver circuitry and transmitter circuitry. The receiver circuitry is configured to receive a first frame addressed to another apparatus, the first frame being transmitted by a first wireless communication apparatus, and estimate a difference between an oscillation frequency of an oscillator of the first wireless communication apparatus and an oscillation frequency of an oscillator of the wireless communication apparatus based on the first frame. The transmitter circuitry is configured to transmit a third frame at a frequency determined based on the difference during a period at least partially overlapping a period during which the first wireless communication apparatus transmits a second frame addressed to a second wireless communication apparatus.

Abstract: According to one embodiment, a wireless communication apparatus includes transmitter circuitry, receiver circuitry and processing circuitry. The processing circuitry is configured to determine, based on a first acknowledgement frame and a second acknowledgement frame, a first data frame received by a first wireless communication apparatus and not received by a second wireless communication apparatus among data frames. The processing circuitry is configured to determine that the transmitter circuitry transmits at least one of the first data frame and a second data frame to the second wireless communication apparatus, and the first wireless communication apparatus transmits the first data frame to the second wireless communication apparatus.

Abstract: According to one embodiment, an electronic apparatus includes a transmitter. The transmitter transmits data to be transmitted to a third wireless communication apparatus and a first wireless signal to instruct transmission of the data to the third wireless communication apparatus, to the first and second wireless communication apparatuses. The transmitter transmits, if any second wireless signal transmitted from the first or second wireless communication apparatuses is not detected within a first period after transmission of the first wireless signal, a third wireless signal to instruct transmission of the data to the third wireless communication apparatus to the first and second wireless communication apparatuses in order to instruct retransmission of the data.