Alvarion BreezeMAX 3500 System Manual page 300

Glossary
BE Best effort. A service where neither throughput nor delay
guarantees are provided. The subscriber unit sends requests for
bandwidth in either random access slots or dedicated
transmission opportunities. The occurrence of dedicated
opportunities is subject to network load, and the subscriber unit
cannot rely on their presence. Service parameters include
Committed Time (CT) and Maximum Information Rate (MIR).
BER Bit Error Rate. In a digital transmission, BER is the percentage of
bits with errors divided by the total number of bits that have
been transmitted, received or processed over a given time period.
BPSK Binary Phase-Shift Keying. A data transfer technique. BPSK
transmits data using two phase modulation signals, one phase
representing a binary one, and the other representing a binary
zero. The signal is divided into bits; their status is determined by
the preceding wave. If the wave changes, for example, the signal
is reversed.
BST Base Station
BW Bandwidth
BWA Broadband Wireless Access
CBR Constant Bit-Rate
CG Continuous Grant. Also known as Unsolicited Grant Servic
(UGS), is tailored for carrying constant bit- rate (CBR) r
services characterized by fixed size data packets on a periodic
basis such as VoIP or E1/T1. Service parameters include
unsolicited grant size (packet size) and normal grant interval
(sample interval).
CIR Committed Information Rate. The rate (in bits per second) at
which a network guarantees to transfer information under
normal conditions, averaged over a minimum increment of tim
cPCI Compact Peripheral Component In
computer backplane architecture and peripheral integration,
defined and developed by the peripheral component intercon
(PCI) industrial computers manufacturers group (PICMG).
Designed to provide rugged, high-density systems.
CPE Customer Premise Equipment. Communications equipment that
resides on the customer's premises.
II
eal-time
terface. a new standard for
BreezeMAX System Manual
es
e.
nect