SYSTEM MESSAGE TRANSMISSION METHOD AND COMMUNICATION APPARATUS

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SYSTEM MESSAGE TRANSMISSION METHOD AND COMMUNICATION APPARATUS

This abstract first appeared for US patent application 20250016750 titled 'SYSTEM MESSAGE TRANSMISSION METHOD AND COMMUNICATION APPARATUS

Original Abstract Submitted

this application provides a system message transmission method including receiving, based on scheduling information of osi in sib when a system frame number is � and a slot number is v, osi and a first digital signature, where the first digital signature is for the osi and a time stamp t; determining the time stamp t based on the system frame number �, the slot number v, a time stamp t, a system frame number �, and a slot number v, where the system frame number � and the slot number v are a system frame number and a slot number to which the first sib belongs, and the time stamp t is an absolute time point corresponding to the access network device when the system frame number is � and the slot number is v; and verifying the first digital signature based on the osi and time stamp t