US Patent No. 11,071,140

COMMUNICATION APPARATUS AND COMMUNICATION METHOD


Patent No. 11,071,140
Issue Date July 20, 2021
Title Communication Apparatus And Communication Method
Inventorship Takashi Iwai, Ishikawa (JP)
Yoshio Urabe, Nara (JP)
Tomohumi Takata, Ishikawa (JP)
Assignee Panasonic Intellectual Property Corporation of America, Torrance, CA (US)

Claim of US Patent No. 11,071,140


1. A communication apparatus comprising:circuitry which, in operation, generates a trigger frame that solicits uplink transmission, the trigger frame comprising a first User Information field that comprises a first terminal ID subfield and a first Resource Unit (RU) Allocation subfield and a second User Information field that comprises a second terminal ID subfield and a second RU Allocation subfield, wherein in a case where an unused value which is not to be used for a terminal ID is set to the first terminal ID subfield for Random Access, the first RU Allocation subfield indicates a starting RU of one or more contiguous Random Access RUs (RA-RUs), and the first User Information field further comprises a first total number of RA-RU subfield indicating a first total number of RUs in the one or more contiguous RA-RUs; and
a transmitter which, in operation, transmits the generated trigger frame.