FECN - Forward Explicate Congestion NotificationA Frame Relay signalling message sent upstream to inform frame handlers that downstream frame handlers are suffering congestion. This message will tri... View more
Femto CellA Femto Cell, as defined by the 3GPP in their Release 8 specifications, can be simply described as a personal base station which is sited inside a sub... View more
FFCH - Forward Fundamental ChannelA Fundamental Channel that is transmitted on the Forward CDMA (Code Division Multiple Access) Channel. ... View more
FFT - Fast Fourier TransformOFDM systems utilize a mathematical function called FFT (Fast Fourier Transform)to generate parallel data streams. This process relies on a concept te... View more
FGA - Feature Group AFeature Group A offers access to the LE (Local Exchange) carrier network through a subscriber line rather than a trunk line. ... View more
FGB - Feature Group BSimilar to FGA (Feature Group A) but offers a superior connection to the LE (Local Exchange) carrier network. ... View more
FH-PHY - Frequency Hopping Physical LayerThe Frequency Hopping Physical Layer was developed for IEEE 802.11 to enable multiple networks to coexist in the same frequency band yet minimize the ... View more
FHSS - Frequency Hopping Spread SpectrumIn FHSS the total frequency band is split into a number of channels. The broadcast data is spread across the entire frequency band by hopping between ... View more
FI - Frame InformationThis field is part of E-UTRA RLC (Radio Link Control) and indicates different segmentation options for a RLC SDU (Service Data Unit).... View more
FIFO - First-in First-outFirst In First Out is a term used to describe routing buffers where no QoS (Quality of Service) is applied to packets entering the router. Packets are... View more
FIPS - Federal Information Processing StandardNIST (National Institute of Standards and Technology) produces guidelines and standards for the development of federal computer systems. These standar... View more
FirewallA combination of hardware and software employed to protect services sitting behind the firewall. Firewalls filter and reject incoming and outgoing dat... View more
FirewireFirewire is a 100Mbps serial connection. It is a six pin cable with a maximum length of 4.5 meters and is employed to connect video equipment to data ... View more
FISU - Fill In Signalling UnitThe Fill In Signalling Unit acts as flag in TDM (Time Division Multiplexing) based SS7 (Signalling System No.7) signalling networks when there is no o... View more
FIX - Federal Internet ExchangeFederal Internet Exchange is a physical connection point for federal networks such as the MILNET (Military Network), National Aeronautics and Space Ad... View more
Fixed Wireless Local LoopBased in the 10MHz spectrum these wireless connections are designed to offer data and speech services to the home user. This technology is also known ... View more
FlashFlash An indication sent on the Reverse CDMA (Code Division Multiple Access) Channel by the MS (Mobile Station) to invoke special processing. ... View more
Flash memoryThis is a special kind of EEPROM (Electrically Erasable Programmable Read-Only Memory) that can be erased and reprogrammed in blocks rather that in on... View more