Patent ID: 9264119
Filing Date: 2016-02-16
CPC Classification: H04B,H04W

Claim Text:
1. A communication apparatus, comprising: a data processor configured to process transmit/receive frames; and a communication interface configured to transmit and receive frames; wherein the data processor adds reverse direction permission information, which indicates that reverse direction frame transmission is permitted, to individual MAC (Media Access Control) data frames in a plurality of MAC data frames to be sent at a first same time, the individual MAC data frames in the plurality of MAC data frames each being individually addressed to one of a plurality of communication apparatuses, and the communication interface multiplexes and transmits the plurality of MAC data frames at the first same time to the plurality of communication apparatuses, and also receives, at a second same time, respective MAC data frames obeying the reverse direction permission information from respective communication apparatuses of the plurality of communication apparatuses that received the plurality of MAC data frames, wherein frame lengths of the MAC data frames received at the second same time are the same for each of the plurality of communication apparatuses that received the plurality of MAC data frames transmitted at the first same time.