ieee80211aIEEE Std 802.11a-1999 (Supplement to IEEE Std 802.11-1999) Supplement to IEEE Standard for Information technology― Telecommunications and information exchange between systems― Local and metropolitan area networks― Specic requirements― Part 11: Wireless LAN Medium Access Control (MAC) and Physical Layer (PHY) specications: High-speed Physical Layer in the 5 GHZ Band Sponsor LAN/MAN Standards Committee of the IEEE Computer Society Approved 16 September 1999 IEEE-SA Standards Board Abstract: Changes and additions to IEEE Std. 802.11-1999 are provided to support the new highrate physical layer (PHY) for operation in the 5 GHz band. Keywords: 5 GHz, high speed, local area network (LAN), orthogonal frequency division multiplexing (OFDM), radio frequency, unlicensed national information infra……