FDD (Frequency Division Duplex)

A means of providing duplex (bidirectional) communications in

wireless networks, FDD makes use of separate frequencies for forward and backward channels. FDD is used with both analog and digital wireless technologies, including cordless telephony and cellular. See also analog, cellular, channel, cordless telephony, digital, duplex, frequency, and wireless.

• EUCL (End User Common Line Charge)
• euphemism
• European Computer Manufacturers Association (ECMA)
• European Conference of Postal and Telecommunications Administrations (Conférence
• European Radio Message System (ERMES)
• European Telecommunications Network Operators’ Association (ETNO)
• European Telecommunications Standards Institute (ETSI)
• Européenne des administrations des Postes et des Télécommunications or CEPT)
• EV-DO (EVolution-Data Optimized)
• EV (EVolution-Data Optimized)
• Evolution-Data Optimized (EV-DO or EV)
• EVRC (Enhanced Variable Rate Vocoder)
• Excess Burst Size (B )
• Excess Information Rate (EIR)
• exchange
• exchange
• exchange
• Exchange Carriers Standards Association (ECSA)
• exclusive hold
• Expedited Forwarding (EF)
• Explicit Congestion Notification (ECN)
• extended band (E-Band)
• Extended Binary Coded Decimal Interchange Code (EBCDIC)
• Extended Erlang B (EEB)
• extended service set identifier (ESSID, or SSID)