Siemens XT65 - Manual (Page 46)

Java User’s Guide
5.12 Performance
49
s
wm_java_usersguide_v12 Page 46 of 123 2008-02-25
Confidential / Released
5.12.3.4 Upload
The ME supports up to four uplink time slots for GPRS and up to two for EGDE. The Java appli-
cation receives data over RS232 API and sends them over GPRS to a server.
Table 1: GPRS upload data rate with different number of timeslots, CS2
Upload data rate with x timeslots
Coding scheme 2
[kbit/s]
1
time-
slot
theor.
Value 1
1. net transmission rates for LLC layer
%
from
theor.
Value
2
time-
slots
theor.
Value 1
%
from
theor.
Value
3
time-
slots
theor.
Value 1
%
from
theor.
Value
4
time-
slots
theor.
Value 1
%
from
theor.
Value
9 12 75% 15 24 63% 20 36 55% 16 48 33%
Table 2: GPRS upload data rate with different number of timeslots, CS4
Upload data rate with x timeslots
Coding scheme 4
[kbit/s]
1
time-
slot
theor.
Value 1
1. net transmission rates for LLC layer
%
from
theor.
Value
2
time-
slots
theor.
Value 1
%
from
theor.
value
3
time-
slots
theor.
Value 1
%
from
theor.
value
4
time-
slots
theor.
Value 1
%
from
theor.
value
13 20 65% 22 40 55% 20 60 33% 13 80 16%
Table 3: EDGE upload data rate with two timeslots, CS5
Upload data rate with x timeslots
Coding scheme 5
[kbit/s]
2 timeslots theor.
Value 1
1. net transmission rates for LLC layer
% from theor.
Value
33 44 73%
Table 4: EDGE upload data rate with two timeslots, CS9
Upload data rate with x timeslots
Coding scheme 9
[kbit/s]
2
timeslots
theor.
Value 1
1. net transmission rates for LLC layer
% from theor.
Value
72 118 61%