ERTA – Extended range transmission analysis
What is ERTA? ERTA (Extended Range Transmission Analysis) is a measurement technique used to determine the scalar transmission gain or loss of an RF system,
EVM – Error vector magnitude
What is EVM? EVM is the key RF quality metric that quantifies how accurately a transmitter reproduces a target digital modulation signal. It measures the
Evolved Packet Core (EPC)
What is EPC? The EPC is the all-IP core network architecture for 4G LTE, standardised in 3GPP Release 8. It handles subscriber authentication, mobility management,
FBMC – Filter bank multicarrier
What is FBMC? FBMC (Filter Bank Multicarrier) is an advanced multicarrier modulation technique that was considered as an alternative to CP-OFDM for 5G NR. Unlike
FD-MIMO – Full dimension MIMO
What is FD-MIMO? FD-MIMO (Full Dimension MIMO) is an advanced antenna technology introduced in 3GPP Release 13 (LTE-Advanced Pro) that extends MIMO operation from the
FDD – Frequency division duplex
What is FDD? FDD is a duplexing technique that uses two separate paired frequency bands simultaneously — one exclusively for uplink (UE to gNB) and
Final Assembly Code
The Final Assembly Code is a two-digit component of the IMEI (International Mobile Equipment Identity) that indicates the location of manufacture or final assembly.
First Generation
1G refers to the first generation of wireless telephone networks, which relied on analog transmission. These systems have since been replaced by 2G networks that
FlexE (Flexible Ethernet)
What is FlexE? FlexE (Flexible Ethernet) is a standard defined by the Optical Internetworking Forum (OIF) that extends Ethernet PHY interfaces to support bonding, sub-rating,
FPY – First pass yield
What is FPY? FPY (First Pass Yield) is a manufacturing quality metric that measures the percentage of units that pass all tests and inspections on
FR1 – Frequency range 1
What is FR1? FR1 is the sub-6 GHz frequency range for 5G NR defined by 3GPP, covering 410 MHz to 7125 GHz (expanded to 7125
FR2 – Frequency range 2
What is FR2? FR2 is the millimeter wave frequency range for 5G NR, covering 24.25 GHz to 52.6 GHz (extended to 71 GHz in Release
Fronthaul
Refers to links in the C-RAN that connect radio equipment at the tower with centralized radio controllers (radio equipment control). Fronthaul data is generally transported
Fronthaul
What is Fronthaul? Fronthaul is the network segment connecting the Radio Unit (RU/RRH) at the antenna site to the Distributed Unit (DU) in a C-RAN
Fronthaul HLS (Higher Layer Split)
What is Fronthaul HLS? Fronthaul HLS (Higher Layer Split) defines the open interface between a gNB-CU (Centralised Unit) and a gNB-DU (Distributed Unit) in the
FWA – Fixed wireless access
A type of wireless broadband data communication between two fixed locations and connected through wireless access points and equipment.
FWA (Fixed Wireless Access)
What is FWA? Fixed Wireless Access (FWA) uses wireless radio technology — typically 5G NR — to deliver broadband internet connectivity to homes and businesses,
GCF – Global Certification Forum
What is GCF? GCF (Global Certification Forum) is an independent industry partnership that provides a globally recognised certification programme for mobile phones and wireless devices
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