| CPC H04W 76/14 (2018.02) [H04W 12/041 (2021.01); H04W 12/06 (2013.01); H04W 12/08 (2013.01); H04W 12/106 (2021.01); H04W 88/04 (2013.01)] | 20 Claims |
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1. A method of a relay user equipment (UE), comprising:
receiving, at the relay UE, from a first neighbor UE, a communication request message for establishing a connection between an initiating UE and a target UE, the communication request message including first security-establishment-related information originating from the initiating UE for establishing a security association between the initiating UE and the target UE;
modifying the communication request message to add second security-establishment-related information for establishing a security association between the relay UE and a second neighbor UE; and
transmitting to the second neighbor UE the modified communication request message that includes
the first security-establishment-related information originating from the initiating UE for establishing the security association between the initiating UE and the target UE, and
the second security-establishment-related information added by the relay UE for establishing the security association between the relay UE and the second neighbor UE.
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