CPC H04W 56/005 (2013.01) [H04W 68/005 (2013.01); H04W 74/0833 (2013.01); H04W 76/11 (2018.02); H04W 76/27 (2018.02); H04W 84/06 (2013.01)] | 22 Claims |
1. A method for wireless communication at a first user equipment, comprising:
receiving a first message via a first feeder link for a non-terrestrial network, the first message indicating a feeder link switch from the first feeder link to a second feeder link for the non-terrestrial network, the first message further indicating that the first user equipment is to transmit a physical random access channel (PRACH) preamble via the second feeder link prior to the feeder link switch;
transmitting the PRACH preamble via the second feeder link prior to the feeder link switch;
receiving a second message via the second feeder link, the second message indicating a timing adjust value to be used by a plurality of user equipment including the first user equipment for communication via the second feeder link; and
communicating via the second feeder link according to the timing adjust value.
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