[This introduction is not part of IEEE Std 802.11b-1999, Supplement to IEEE Standard for Information technology—
Telecommunications and information exchange between systems—Local and metropolitan area networks—Specific
requirements—Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specifications:
Higher-Speed Physical Layer Extension in the 2.4 GHz Band.]
This standard is part of a family of standards for local and metropolitan area networks. The relationship
between the standard and other members of the family is shown below. (The numbers in the figure refer to
IEEE standard numbers.)