Data transmission method and device

[0053] First, the terms "system" and "network" in this article are often used interchangeably in this article. , The character " / " in this article generally means that the associated objects before and after are in an "or" relationship. The term "and / or" in this text is only an association relationship that describes the associated objects, which means that there can be three relationships, for example, A and / or B, which can mean: A alone exists, A and B exist at the same time, exist alone B these three situations.

[0054] In addition, the terms "including" and "having" and any variations thereof are intended to cover non-exclusive inclusion. For example, a process, method, system, product, or device that includes a series of steps or units is not limited to the listed steps or units, but optionally includes unlisted steps or units, or optionally also includes Other steps or units inherent in these processes, methods, products or equipment.

[0055] Secondly, the data transmiss...