Physical layer takes MAC PDU consisting of MAC GMH, MAC payload and CRC and perform following functions.Ħ. WiMAX OFDM Physical layer as per IEEE 802.16-2004 fixed wimax standard WiMAX OFDMA Physical layer as per IEEE 802.16e mobile wimax standard OFDM versus OFDMA For example fixed wimax uses OFDM type of physical layer and mobile wimax uses OFDMA type.įor more on OFDM and OFDMA refer following links. SC,SCa,HUMAN,OFDM and OFDMA as decribed in IEEE 802.16-2004/802.16e standards.Īny one out of these will be used in the system. WiMAX physical layer are of five types viz. The same protcol stack is depicted below in figure with sub layers. This article describes wimax protocol stack withįunctions of each in the system, which include wimax physical
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