Glossary
The TRA Unit in BSC performs
transcoding of speech information and rate
adaption of data information.
Tracy ASIC in the TRU
TRX Transceiver
TS Time Slot
A 0.577 ms period (TDMA frame subunit)
corresponding to 156.25 raw bits of
information. The eight time slots of each
TDMA frame are numbered 0...7.
-> Burst
TT Total Time
TX Transmitter
TXU Transmitter Unit
UAS Unavailable Seconds
UL Underwriters Laboratories Inc.
Uplink Signalling direction, from the MS to the
system.
UPS Uninterrupted Power Supply
VCO Voltage Controlled Oscillator
VSWR Voltage Standing Wave Ratio RF signal
measure. The quotient between
transmitted and reflected power.
X bus The X bus carries transmit air data frames
between trancievers. This is used for
baseband frequency hopping.
306 (306)
EN/LZT 123 2697 R5A
1998-08-13
© Ericsson Radio Systems AB
— All Rights Reserved —
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