Last Mile Gear’s Gloassary of Industry Terms

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Last Mile Gear’s Glossary of Terms / Accronym Guide IF
Intermediate Frequency
802.xx LAN
Wireless LAN Standards developed by IEEE (802.11b,g,etc.) Local Area Network
802.11a LEAP
5GHz, OFDM, 54Mbps (most radios cover 4.9-6.1GHz) Lightweight Extensible Authenticaton Protocol
802.11b LOS
2.4GHz, DSSS, 11Mbps (3 non overlapping channels 1, 6, 11 primarily used in WLANs) Line of Site (required in wireless point to point links in frequencies above 900MHz sold by Streakwave)
802.11g MP
2.4GHz, OFDM + DSSS,54Mbps to 11Mbps (802.11g is a subset of 802.11b and is primarily used in WLANs) Multipath Propigation
802.11h NLOS
5GHz extension for Europe auto frequency and power control Near Line of Site
802.11j NON-LOS
4.9GHz extension for Japan (may eventually apply to USA public safety) Non Line of Site
802.11k ODU
Radio Resource Measurement Extensions Outdoor Unit
802.11m OFDM
Maintenance and Management Extensions Orthogonal Frequency Division Multiplex (used in 802.11g higher data rates)
802.11n OLOS
MIMO Extensions (12, 24, 48, 96 and 216Mbps in 40MHz bandwidth) Obstructed Line of Site (term rarely used)
802.11p PEAP
WAVE – Moving Vehicle Extensions Protected Extensible Authentication Protocol
802.11r POE
Advanced Roaming and Context Transfer Power Over Ethernet
802.11s POP
Mesh Extensions Point of Precence
802.11t PSK
Wireless Performance Predictions Pre-Shared Key
802.11x PTP
Authentication and Encryption Point to Point
AP PTMP
Access Point Point to Multipoint
AES RADIUS
Advanced Encryption Standard Remote Access Dial In User Service (Authentication Method)
ARK SOM
Automatic Retransmission Queing System Operating Margin (single most important ascpect of a wireless link)
BRIDGE SSID
defined as a “link” between two locations (also used as a reference to a client device) Set Service Identifier (name for a wireless network, unique 32bit identifier)
CPE TDD
Customer Premise Equipment Time Division Duplex
dB TKIP
Deci”B”el – the difference or ratio between two signals, used to describe effect of devices on signal strength Temporal Key Integrity Protocol
dBm TLS
dB MilliWat – the basic reference to the measurement of power in RF (ex: 0dBm = 1mW of power) Transport Layer Security
dBd TTLS
dB Dipole Tunneled Transport Layer Security
dBi UNII
The gain of an antenna relative to an isotropic radiator, used in calculating ERP and range Unlicensed National Information Infrastructure
DSSS VLAN
Direct Sequence Spread Spectrum – a tpye of moduclation used in standards based (802.11b/g) radios Virtual Local Area Network
EAP VPN
Extensible Authentication Protocol (security for AP’s) Virtual Private Network
EMI WEP
Electro Magnetic Interference Wireless Equivalency Privacy (32bit, 64bit and 128bit are the normal versions)
ERP Wi-Fi
Effective Radiated Power, also known as EIRP Effective “Immediated” Radiated Power or your total power output Wireless Fidelity (set of standards guarantees access between non branded procducts)
FDM WISP
Frequency Division Mulitplexing Wireless Internet Service Provider
FHSS WIPOP
Frequency Hopping Spread Spectrum (Normally used in lower data rate radios) Wireless Point of Presence
FSL WLAN
Free Space Loss (Amount of loss in dB that a signal looses traveling through the air) Wireless Local Area Network
HotSpot WME
Wireless Local Area Network w/ open access but may require login or payment to gain access to the internet Wi-Fi Multi-Media Extensions
ISP WPA
Internet Service Provider Wi-Fi Protected Access
IEEE WPA2
Institute of Electronic and Electrical Engineers Wi-Fi Protected Access “2” (extra set of extensions in standard – FIPS 140-2)