Patent ID: 9554400
Date: 2017-01-24
CPC Classifications: H04L,H04W

Claim:
1. A wireless communication device comprising: a transmitter configured to transmit a multi-request to send (multi-RTS) packet to a plurality of wireless communication devices, wherein the multi-RTS packet comprises a plurality of addresses including address information of two or more designated wireless communication devices of the plurality of wireless communication devices; a receiver configured to receive clear to send (CTS) packets responding to the multi-RTS packet; and circuitry configured to transmit data packets from the transmitter to the two or more designated wireless communication devices in an event the CTS packets are received by the receiver from the two or more designated wireless communication devices, wherein each of the transmitted data packets includes timing information designating a transmission timing of ACK packets from the wireless communication devices at a transmission destination with respect to the data packets, wherein each of the ACK packets are transmitted from each of the two or more designated wireless communication devices at a transmission timing, and wherein the transmission timing is designated based on an offset time duration from a data transmission end position for a wireless communication device of the two or more designated wireless communication devices having a latest ending time of data transmission.