The author argues that the link-layer of WTB specification, which is the core of WTB shall be emphasized in the prototype, and the essential function of WTB shall be implemented.

• 该原型节点将重点放在WTB的核心部分-WTB链路层的软硬件实现，实现了WTB的基本功能，为进一步开发实用的WTB技术和产品作准备。