This document provides an overview of P1901 MAC including:
1) It discusses key P1901 MAC terminology such as central coordinator, proxy coordinator, access protocol, and quality of service priorities.
2) It outlines some of the main challenges for P1901 MAC including high attenuation between devices, hidden nodes, and coexistence with other wireless standards.
3) It lists several areas that the P1901 MAC specification addresses including network concepts, the access protocol, quality of service, data plane processing, and management functions for discovery, association, and coexistence.