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