COMMUNICATION METHOD AND APPARATUS

摘要

Disclosed are a communication method and communication apparatus. The method comprises: a first terminal device detects first time advance (TA) indication information, wherein the first TA indication information is sent by a second terminal device, and the first TA indication information is used to indicate a TA value of the second terminal device; and the first terminal device determines a TA value of the first terminal device according to the detected first TA indication information. The communication method and apparatus disclosed in the present invention can reduce the burden and signalling overhead of a network device.