The sensor networks application domain continues to increase with the need for an effective security mechanism. The fact that WSN often deal with sensitive data operating in hostile and unexpected environments, makes the concept of security consi

THE FILE IS GIVING MAC PROTOCOL FORMATS.

Mac层帧结构。介质访问控制层(MAC)帧被称为MAC协议数据单元(MPDU)，其长度不超过127个字节。它具有四种不同的帧形式，即信标帧、数据帧、确认帧和命令帧。-Mac layer frame structure. MAC layer (MAC) frame is called MAC Protocol Data Unit (MPDU), whose length does not exceed 127 bytes. It has four different forms of frames