Integration Manual

HMS1 Hardware Interface Description
Confidential / Preliminary
s
HMS1_HD_V01.62 Page 32 of 39 2006-08-21
5.7. Air Interface
Test conditions: All measurements have been performed at T
amb
= 25°C, V
BATT+ nom
= . The
reference points used on HMS1 are the BATT+ and GND contacts.
Table 12: Air Interface GSM
Parameter Min Typ Max Unit
GSM 850 824 849 MHz
E-GSM 900 880 915 MHz
GSM 1800 1710 1785 MHz
Frequency range
Uplink (MS → BTS)
GSM 1900 1850 1910 MHz
GSM 850 869 894 MHz
E-GSM 900 925 960 MHz
GSM 1800 1805 1880 MHz
Frequency range
Downlink (BTS → MS)
GSM 1900 1930 1990 MHz
GSM 850 31 33 35 dBm
E-GSM 900
1
31 33 35 dBm
GSM 1800
2
28 30 32 dBm
RF power @ ARP with 50Ω load
GSM 1900 28 30 32 dBm
GSM 850 124
E-GSM 900 174
GSM 1800 374
Number of channels
GSM 1900 299
GSM 850 45 MHz
E-GSM 900 45 MHz
GSM 1800 95 MHz
Duplex spacing
GSM 1900 80 MHz
Carrier spacing 200 kHz
Multiplex, Duplex TDMA / FDMA, FDD
Time slots per TDMA frame 8
Frame duration 4.615 ms
Time slot duration 577 µs
Modulation GMSK
GSM 850 -102 -105.5 dBm
E-GSM 900 -102 -105.5 dBm
GSM 1800 -102 -105.5 dBm
Receiver input sensitivity @ ARP
BER Class II < 2.4% (static input level)
GSM 1900 -102 -105.5 dBm
1
Power control level PCL 5
2
Power control level PCL 0