7 Glossary


7 Glossary

ACL
Asynchronous Connection Oriented . Asynchronous packets transmitted in non-connected mode in Bluetooth systems (support).
AP
Access Point . Wireless access point, implements generally a bridge function between a WLAN radio cell and a classic wired local network.
ARQ
Automatic Repeat Request . Retransmission schemes for loss protocol units.
ATM
Asynchronous Transfer Mode .
BRAN
Broadband Radio Access Networks . ETSI group specify broadband radio systems.
BSS
Basic Service Set . Radio cell in the EEE802.11 standard.
CSMA/CA
Carrier Sense Multiple Access/Collision Avoidance . Channel access method based on a listen before talk mechanism as well as a collision avoidance method. Used in IEEE 802.11 WLAN.
CSMA/CD
Carrier Sense Multiple Access/Collision Detection . Channel access method based on a listen before talk mechanism with a collision resolution method. Used in Ethernet Local Area Networks.
CTS
Clear To Send . Short signalling scheme sent in answer to the reception of a RTS frame in a IEEE 802.11 system.
DCC
DLC Connexion Control. Connection control function in the DLC layer of an Hiperlan/2 system.
DCF
Distribution Coordination Function . IEEE 802.11 transmission mode permitting that each station gets the same probability in medium access.
DECT
Digital European Cordless Telecommunications .
DIFS
Data Interframe Space . Minimum time interval between the emission of 2 data frames in a IEEE 802.11 system.
DLC
Data Link Control . Couche de contr le de lien.
Domestic network
communication network used at the scale of an home.
EIRP
Effective Isotropic Radiated Power .
Ethernet
communication protocol used in Local Area Networks.
ETSI
European Telecommunication Standard Institute .
Hiperlan
HIgh PERformance Radio Local Area Network . European WLAN standards specified by ETSI.
IEEE
Institute of Electrical and Electronics Engineers.
IEEE 802.11
IEEE WLAN standardisation group.
ISM
Industrial, Scientific and Medical .
LAN
Local Area Network .
MAC
Medium Access Control .
OFDM
Orthogonal Frequency Division Multiplex . Multi-carrier modulation technique.
OSI
Open Systems Interconnection .
OSI layer
layer defined in the ISO model.
PCF
Point Coordination Function . WLAN IEEE 802.11 transmission mode where an access point controls the communication media sharing.
PIFS
Polling Interframe Space . Time interval specified in IEEE 802.11 system between the transmission of a frame and the radio media preemption by an access point working in PCF mode.
RLAN
Radio Local Area Network . Other denomination for WLAN.
RLC
Radio Link Control . Radio control function.
RRC
Radio Ressource Control . Radio resources control functions in Hiperlan2 systems.
RTS
Ready To Send . Short signaling frame that can be sent before the transmission of a dataframe in IEEE 802.11 systems in order to ensure from radio connectivity.
SCO
Synchronous Connection Oriented . Synchronous packets transmission in Bluetooth systems (support of voice).
SIFS
Short Interframe Space . Time interval specified in IEEE 802.11 system between the transmission of a data frame and the corresponding acknowledgement .
TDD
Time Division Duplex .
TDMA
Time Division Multiple Access .
UMTS
Universal Mobile Telecommunication System . 3rd generation cellular networks.
WEP
Wired Equivalent Privacy . IEEE 802.11 security functions.
WLAN
Wireless Local Area Network .
WPAN
Wireless Personal Area Network .



Communicating With Smart Objects(c) Developing Technology for Usable[... ]stems 2003
Linux Troubleshooting for System Administrators and Power Users
ISBN: N/A
EAN: 2147483647
Year: 2005
Pages: 191

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