Air Interface; Table 34: Air Interface - Siemens AC75 Hardware Interface Description

AC75 Hardware Interface Description
Strictly confidential / Preliminary
5.8

Air Interface

Test conditions: All measurements have been performed at T
The reference points used on AC75 are the BATT+ and GND contacts (test points are shown
in Figure 4).

Table 34: Air Interface

Parameter
Frequency range
Uplink (MS → BTS)
Frequency range
Downlink (BTS → MS)
RF power @ ARP with 50Ω load
Number of carriers
Duplex spacing
Carrier spacing
Multiplex, Duplex
Time slots per TDMA frame
Frame duration
Time slot duration
Modulation
Receiver input sensitivity @ ARP
BER Class II < 2.4% (static input level)
15
Power control level PCL 5
16
Power control level PCL 0
AC75_HD_V00.202
GSM 850
E-GSM 900
GSM 1800
GSM 1900
GSM 850
E-GSM 900
GSM 1800
GSM 1900
GSM 850
15
E-GSM 900
16
GSM 1800
GSM 1900
GSM 850
E-GSM 900
GSM 1800
GSM 1900
GSM 850
E-GSM 900
GSM 1800
GSM 1900
GSM 850
E-GSM 900
GSM 1800
GSM 1900
Page 101 of 120
s
= 25°C, V
amb BATT+ nom
Min Typ Max
824 849
880 915
1710 1785
1850 1910
869 894
925 960
1805 1880
1930 1990
31 33 35
31 33 35
28 30 32
28 30 32
124
174
374
299
45
45
95
80
200
TDMA / FDMA, FDD
8
4.615
577
GMSK
-102 -108
-102 -108
-102 -107
-102 -107
= 4.0V.
Unit
MHz
MHz
MHz
MHz
MHz
MHz
MHz
MHz
dBm
dBm
dBm
dBm
MHz
MHz
MHz
MHz
kHz
ms
µs
dBm
dBm
dBm
dBm
27.04.2006