| CPC H04W 56/006 (2013.01) [H04W 16/28 (2013.01); H04W 36/0058 (2018.08); H04W 36/0072 (2013.01); H04W 56/005 (2013.01); H04W 84/06 (2013.01)] | 12 Claims |

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1. A communication method, comprising:
receiving, by a terminal, first information by using a serving beam,
wherein the first information indicates a delay compensation parameter corresponding to a target beam, and
the serving beam and the target beam are different beams;
determining, by the terminal based on a full timing advance and the delay compensation parameter corresponding to the target beam,
a differential timing advance corresponding to the target beam; and
determining, by the terminal, the full timing advance based on location information of the terminal and location information of a target satellite,
wherein the target satellite corresponds to the target beam; or
determining, by the terminal, the full timing advance based on a delay compensation parameter corresponding to the serving beam and
a differential timing advance corresponding to the serving beam.
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