User's Manual

Table Of Contents
76
GLOSSARY
A
AAS: Adaptive antenna system (see Introduction for further details)
AP: Access point
API: Application programmers interface
ATCA: Advanced telecommunications computing architecture
B
BE: Best effort scheduling service for requesting uplink bandwidth
BER: Bit error rate
BS: Base station
BWA: Broadband wireless access
C
CIR: Committed information rate used to specify the guaranteed data rate to the customer.
CPE: Customer premises equipment (interchangeable with ST)
D
DCD: Downlink channel descriptor
DFS: Dynamic frequency selection (see Introduction for further details)
DL: Downlink
DLFP: Downlink frame prefix
E
E1: ITU term for a 2Mb/s pulse code modulated transmission link
EiRP: Effective isotropic radiated power
F
FCH: Frame control header
FDD: Frequency division duplex
FEC: Forward error correction
FFT: Fast Fourier transform used to convert a signal from the time domain into the frequency
domain
H
H-FDD: Half duplex FDD