FIELD: wireless communication.
SUBSTANCE: invention relates to the field of services intended for wireless communication networks, namely to vehicles. For change in an identifier (hereinafter – ID) of the second level (hereinafter – L2), during an ongoing vehicle-to-everything (hereinafter – V2X) communication session, between a wireless transmission/reception unit-source (hereinafter – WTRU-source) and peer WTRU, communication is provided based on the current ID L2. Provided that a trigger event occurs, WTRU-source generates a new ID L2 of the source; transmits the new ID L2 of the source to peer WTRU; receives from peer WTRU a message, which is a response to reception of the new ID L2 of the source; and provides communication between WTRU-source and peer WTRU based on the new ID L2 of the source.
EFFECT: provision of confidentiality or another communication protection for WTRU-source due to prevention of bringing together its old and new ID L2 with interception means with the possibility of transmission of data on change in its ID L2 to peer WTRU.
15 cl, 18 dwg
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