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IEEE 802.11A DRAFT
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IEEE 802.11A DRAFT 1998 Edition, 1998 SUPPLEMENT TO STANDARD FOR TELECOMMUNICATIONS AND INFORMATION EXCHANGE BETWEEN SYSTEMS-LAN/MAN SPECIFIC REQUIREMENTS-PRT 11: WIRELESS MEDIUM ACCESS CONTROL (MAC) AND PHYSICAL LAYER (PHY) SPECIFICATIONS: HIGH SPEED LAYER IN THE 5 GHZ BAND
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Description / Abstract:
This clause describes the physical layer services provided to
the 802.11 wireless LAN MAC by the 5 GHz (bands) OFDM system. The
OFDM PHY layer consists of two protocol functions:
a) A physical layer convergence function which adapts the capabilities of the physical medium dependent system to the Physical Layer service. This function shall be supported by the Physical Layer Convergence Procedure (PLCP) which defines a method of mapping the 802.11 MAC sublayer Protocol Data Units (MPDU) into a framing format suitable for sending and receiving user data and management infonnation between two or more stations using the associated physical medium dependent system.
b) A Physical Medium Dependent (pMD) system whose function defines the characteristics and method of transmitting and receiving data through a wireless medium between two or more stations each using the OFDM system.
a) A physical layer convergence function which adapts the capabilities of the physical medium dependent system to the Physical Layer service. This function shall be supported by the Physical Layer Convergence Procedure (PLCP) which defines a method of mapping the 802.11 MAC sublayer Protocol Data Units (MPDU) into a framing format suitable for sending and receiving user data and management infonnation between two or more stations using the associated physical medium dependent system.
b) A Physical Medium Dependent (pMD) system whose function defines the characteristics and method of transmitting and receiving data through a wireless medium between two or more stations each using the OFDM system.