PREAMBLE STRUCTURE FOR SUPPORT OF FULL DUPLEX COMMUNICATION Russian patent published in 2022 - IPC H04L5/00 

FIELD: wireless communication.

SUBSTANCE: method on a network node, which is made with the possibility of simultaneous transmission and reception of wireless RF signals, contains: transmission from the network node of a downlink message, wherein the downlink message has a preamble, which includes channel assessment information for assessment of a channel with own interference; monitoring in the network node during initial duration in the transmission of the downlink message of channel assessment information and assessment of the channel with own interference based on received parts of channel assessment information; and use of the assessed channel with own interference for suppression of own interference during the reception of an uplink message and simultaneous transmission of the remain part of the downlink message.

EFFECT: provision of full duplex communication in communication in an incomplete duplex mode.

20 cl, 8 dwg