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ieee80211aIEEEStd802.11a-1999(SupplementtoIEEEStd802.11-1999)SupplementtoIEEEStandardforInformationtechnology―Telecommunicationsandinformationexchangebetweensystems―Localandmetropolitanareanetworks―Specicrequirements―Part11:WirelessLANMediumAccessControl(MAC)andPhysicalLayer(PHY)specications:High-speedPhysicalLayerinthe5GHZBandSponsorLAN/MANStandardsCommitteeoftheIEEEComputerSocietyApproved16September1999IEEE-SAStandardsBoardAbstract:ChangesandadditionstoIEEEStd.802.11-1999areprovidedtosupportthenewhighratephysicallayer(PHY)foroperationinthe5GHzband.Keywords:5GHz,highspeed,localareanetwork(LAN),orthogonalfrequencydivisionmultiplexing(OFDM),radiofrequency,unlicensednationalinformationinfra……